Consolidated Schedule of Investments in and Advances to Affiliates (Details)

v3.26.1

Consolidated Schedule of Investments in and Advances to Affiliates (Details) - USD ($) $ in Thousands		3 Months Ended			6 Months Ended
		Jun. 30, 2026		Jun. 30, 2025	Jun. 30, 2026		Jun. 30, 2025	Dec. 31, 2025
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		$ 32,828		$ 52,420	$ 50,801		$ 22,875
Amount of Unrealized Gain/(Loss)		32,220		(18,951)	(18,379)		44,239
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[1],[2],[3]				5,518,117
Ending balance	[4],[5],[6]	5,746,044			5,746,044
Control investments:
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		46,326		(2,998)	56,361		(2,976)
Amount of Unrealized Gain/(Loss)		(13,398)		33,154	(60,606)		33,555
Amount of Interest, Fees or Dividends Credited to Income					119,846		116,454
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,569,626	[2],[7]	2,087,890
Gross Additions					449,882		291,307
Gross Reductions					431,724		119,552
Ending balance		2,587,784	[5],[8]	2,295,565	2,587,784	[5],[8]	2,295,565
Affiliate investments:
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		55,647	0		57,711
Amount of Unrealized Gain/(Loss)		12,046		(47,745)	17,227		(8,742)
Amount of Interest, Fees or Dividends Credited to Income					58,417		49,501
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					965,179	[2]	846,798
Gross Additions					286,256		303,836
Gross Reductions					246,277		258,488
Ending balance		1,005,158	[5],[9]	856,226	1,005,158	[5],[9]	856,226
Investment, Identifier [Axis]: 2717 MH, L.P. | LP Interests (2717 GRE-LP, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							441
Gross Additions							0
Gross Reductions							0
Ending balance				441			441
Investment, Identifier [Axis]: 2717 MH, L.P. | LP Interests (2717 HPP-MS, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							64
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							383
Gross Additions							64
Gross Reductions							0
Ending balance				447			447
Investment, Identifier [Axis]: 2717 MH, L.P. | LP Interests (2717 MH, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							5,466
Amount of Unrealized Gain/(Loss)							(4,945)
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							8,818
Gross Additions							4,046
Gross Reductions							11,178
Ending balance				1,686			1,686
Investment, Identifier [Axis]: 423 HAR, LP | LP Interests (423 HAR, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							1,226
Gross Additions							0
Gross Reductions							0
Ending balance				1,226			1,226
Investment, Identifier [Axis]: AAC Holdings, Inc. | Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[10],[11]	0
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		0	[5],[9],[12]	0	0	[5],[9],[12]	0
Investment, Identifier [Axis]: AAC Holdings, Inc. | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(2,080)		(360)
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,080	[2],[10],[11]	0
Gross Additions					0		8,520
Gross Reductions					2,080		360
Ending balance		$ 0	[5],[9],[12]	$ 8,160	$ 0	[5],[9],[12]	$ 8,160
Investment, Identifier [Axis]: AAC Holdings, Inc. | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		21.00%	[9],[12]	18.00%	21.00%	[9],[12]	18.00%	20.00%	[10],[11]
PIK Rate		21.00%	[9],[12],[13]	18.00%	21.00%	[9],[12],[13]	18.00%	20.00%	[10],[11],[14]
Amount of Realized Gain/(Loss)							$ (139)
Amount of Unrealized Gain/(Loss)							3
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 895	[2],[10],[11]	609
Gross Additions							0
Gross Reductions							609
Ending balance		$ 1,364	[5],[9],[12]	$ 0	$ 1,364	[5],[9],[12]	$ 0
Investment, Identifier [Axis]: AAC Holdings, Inc. | Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		20.00%			20.00%
PIK Rate		20.00%			20.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					94
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					895
Gross Additions					93
Gross Reductions					0
Ending balance		$ 988			$ 988
Investment, Identifier [Axis]: AAC Holdings, Inc. | Secured Debt 1.2
Schedule of Investments [Line Items]
Total Rate		20.00%			20.00%
PIK Rate		20.00%			20.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					(1,372)
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,756
Gross Additions					0
Gross Reductions					1,371
Ending balance		$ 1,385			$ 1,385
Investment, Identifier [Axis]: AAC Holdings, Inc. | Secured Debt 1.3
Schedule of Investments [Line Items]
Total Rate		20.00%			20.00%
PIK Rate		20.00%			20.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					(1,372)
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,756
Gross Additions					0
Gross Reductions					1,371
Ending balance		$ 1,385			$ 1,385
Investment, Identifier [Axis]: AAC Holdings, Inc. | Secured Debt 1.4
Schedule of Investments [Line Items]
Total Rate		21.00%			21.00%
PIK Rate		21.00%			21.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					101
Amount of Interest, Fees or Dividends Credited to Income					107
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					503
Gross Additions					638
Gross Reductions					0
Ending balance		$ 1,141			$ 1,141
Investment, Identifier [Axis]: AAC Holdings, Inc. | Secured Debt 1.5
Schedule of Investments [Line Items]
Total Rate		21.00%			21.00%
PIK Rate		21.00%			21.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					270
Amount of Interest, Fees or Dividends Credited to Income					52
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					1,364
Gross Reductions					0
Ending balance		$ 1,364			$ 1,364
Investment, Identifier [Axis]: AAC Holdings, Inc. | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		21.00%	[9],[12]	18.00%	21.00%	[9],[12]	18.00%	21.00%	[10],[11]
PIK Rate		21.00%	[9],[12],[13]	18.00%	21.00%	[9],[12],[13]	18.00%	21.00%	[10],[11],[14]
Amount of Realized Gain/(Loss)							$ (3,303)
Amount of Unrealized Gain/(Loss)							80
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 503	[2],[10],[11]	17,365
Gross Additions							0
Gross Reductions							17,365
Ending balance		$ 1,141	[5],[9],[12]	$ 0	$ 1,141	[5],[9],[12]	$ 0
Investment, Identifier [Axis]: AAC Holdings, Inc. | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		20.00%	[9],[12]	10.00%	20.00%	[9],[12]	10.00%	20.00%	[10],[11],[15]
PIK Rate		20.00%	[9],[12],[13]	10.00%	20.00%	[9],[12],[13]	10.00%	20.00%	[10],[11],[14],[15]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 2,756	[2],[10],[11],[15]	0
Gross Additions							3,109
Gross Reductions							0
Ending balance		$ 988	[5],[9],[12]	$ 3,109	$ 988	[5],[9],[12]	$ 3,109
Investment, Identifier [Axis]: AAC Holdings, Inc. | Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		20.00%	[9],[12],[16]	12.00%	20.00%	[9],[12],[16]	12.00%	20.00%	[10],[11],[15]
PIK Rate		20.00%	[9],[12],[13],[16]	12.00%	20.00%	[9],[12],[13],[16]	12.00%	20.00%	[10],[11],[14],[15]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 2,756	[2],[10],[11],[15]	0
Gross Additions							3,109
Gross Reductions							0
Ending balance		$ 1,385	[5],[9],[12],[16]	$ 3,109	$ 1,385	[5],[9],[12],[16]	$ 3,109
Investment, Identifier [Axis]: AAC Holdings, Inc. | Secured Debt 5
Schedule of Investments [Line Items]
Total Rate		20.00%	[9],[12],[16]	18.00%	20.00%	[9],[12],[16]	18.00%
PIK Rate		20.00%	[9],[12],[13],[16]	18.00%	20.00%	[9],[12],[13],[16]	18.00%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							779
Gross Reductions							0
Ending balance		$ 1,385	[5],[9],[12],[16]	$ 779	$ 1,385	[5],[9],[12],[16]	779
Investment, Identifier [Axis]: AAC Holdings, Inc. | Warrants
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							0
Gross Reductions							0
Ending balance				0			0
Investment, Identifier [Axis]: AGS American Glass Services Acquisition, LLC | Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				729
Ending balance	[5],[19],[20]	$ 570			$ 570
Investment, Identifier [Axis]: AGS American Glass Services Acquisition, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Spread		5.50%	[19],[20],[21],[22],[23]		5.50%	[19],[20],[21],[22],[23]		5.50%	[17],[18],[24],[25],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[25],[26]				$ (35)
Ending balance	[5],[19],[20],[22],[23]	$ (32)			$ (32)
Investment, Identifier [Axis]: AGS American Glass Services Acquisition, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Spread		5.50%	[19],[20],[21],[22],[23]		5.50%	[19],[20],[21],[22],[23]		5.50%	[17],[18],[24],[25],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[25],[26]				$ (20)
Ending balance	[5],[19],[20],[22],[23]	$ (18)			$ (18)
Investment, Identifier [Axis]: AGS American Glass Services Acquisition, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		9.16%	[19],[20],[23]		9.16%	[19],[20],[23]		9.22%	[17],[18],[26]
Spread		5.50%	[19],[20],[21],[23]		5.50%	[19],[20],[21],[23]		5.50%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 9,800
Ending balance	[5],[19],[20],[23]	$ 9,081			9,081
Investment, Identifier [Axis]: AMEREQUIP LLC | Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[27]				0
Ending balance	[5],[19],[20],[28]	0			0
Investment, Identifier [Axis]: ASC Interests, LLC | Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					(1,500)		0
Amount of Unrealized Gain/(Loss)					1,500		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[7]	0
Gross Additions					1,500		0
Gross Reductions					1,500		0
Ending balance		0		0	0		0
Investment, Identifier [Axis]: ASC Interests, LLC | Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					(88)		0
Amount of Unrealized Gain/(Loss)					178		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[7]	0
Gross Additions					178		0
Gross Reductions					178		0
Ending balance		0		$ 0	0		$ 0
Investment, Identifier [Axis]: ASC Interests, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				13.00%			13.00%	13.00%	[7],[29]
Amount of Realized Gain/(Loss)					0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					10		27
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					400	[2],[7],[29]	400
Gross Additions					0		0
Gross Reductions					400		0
Ending balance		0		$ 400	0		$ 400
Investment, Identifier [Axis]: ASC Interests, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				13.00%			13.00%	13.00%	[7],[29]
Amount of Realized Gain/(Loss)					0		$ 0
Amount of Unrealized Gain/(Loss)					30		(98)
Amount of Interest, Fees or Dividends Credited to Income					37		105
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,502	[2],[7],[29]	1,598
Gross Additions					30		0
Gross Reductions					1,532		170
Ending balance		0		$ 1,428	0		1,428
Investment, Identifier [Axis]: ATS Operating, LLC | Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				970
Ending balance	[5],[19],[20]	$ 1,020			$ 1,020
Investment, Identifier [Axis]: ATS Operating, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		9.95%	[19],[20],[23]		9.95%	[19],[20],[23]		10.22%	[17],[18],[26],[30]
Spread		6.00%	[19],[20],[21],[23]		6.00%	[19],[20],[21],[23]		6.00%	[17],[18],[24],[26],[30]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[30]				$ 1,800
Ending balance	[5],[19],[20],[23]	$ 1,440			$ 1,440
Investment, Identifier [Axis]: ATS Operating, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		8.95%	[19],[20],[23]		8.95%	[19],[20],[23]		9.25%	[17],[18],[26]
Spread		5.00%	[19],[20],[21],[23]		5.00%	[19],[20],[21],[23]		5.00%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 6,660
Ending balance	[5],[19],[20],[23]	$ 6,660			$ 6,660
Investment, Identifier [Axis]: ATS Operating, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.95%	[19],[20],[23]		10.95%	[19],[20],[23]		11.25%	[17],[18],[26]
Spread		7.00%	[19],[20],[21],[23]		7.00%	[19],[20],[21],[23]		7.00%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 6,660
Ending balance	[5],[19],[20],[23]	$ 6,660			6,660
Investment, Identifier [Axis]: ATS Workholding, LLC | Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							(3,725)
Amount of Unrealized Gain/(Loss)							3,726
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							3,726
Gross Reductions							3,726
Ending balance				$ 0			$ 0
Investment, Identifier [Axis]: ATS Workholding, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				5.00%			5.00%
Amount of Realized Gain/(Loss)							$ (1,897)
Amount of Unrealized Gain/(Loss)							2,261
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							113
Gross Additions							2,324
Gross Reductions							2,437
Ending balance				$ 0			$ 0
Investment, Identifier [Axis]: ATS Workholding, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				5.00%			5.00%
Amount of Realized Gain/(Loss)							$ (2,842)
Amount of Unrealized Gain/(Loss)							2,698
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							143
Gross Additions							2,698
Gross Reductions							2,841
Ending balance				$ 0			0
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[27]				920
Ending balance	[5],[19],[20]	$ 1,212			$ 1,212
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.25%	[19],[20],[21],[22],[23]		7.25%	[19],[20],[21],[22],[23]		7.25%	[17],[18],[24],[25],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[25],[26]				$ (63)
Ending balance	[5],[19],[20],[22],[23]	$ (48)			$ (48)
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[17],[18],[26]							11.09%
Spread		7.25%	[19],[20],[21],[22],[23]		7.25%	[19],[20],[21],[22],[23]		7.25%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 23,451
Ending balance	[5],[19],[20],[22],[23]	$ (28)			$ (28)
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[19],[20],[23]	11.14%			11.14%
Spread		7.25%	[19],[20],[21],[23]		7.25%	[19],[20],[21],[23]		7.25%	[17],[18],[24],[25],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[25],[26]				$ (38)
Ending balance	[5],[19],[20],[23]	$ 23,141			$ 23,141
Investment, Identifier [Axis]: Adams Publishing Group, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.00%	[19],[20],[23],[31]		11.00%	[19],[20],[23],[31]		11.00%	[17],[18],[26],[32]
Spread		8.00%	[19],[20],[21],[23],[31]		8.00%	[19],[20],[21],[23],[31]		7.00%	[17],[18],[24],[26],[32]
PIK Rate		1.00%	[13],[19],[20],[23],[31]		1.00%	[13],[19],[20],[23],[31]		1.00%	[14],[17],[18],[26],[32]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[32]				$ 7,965
Ending balance	[5],[19],[20],[23],[31]	$ 9,584			$ 9,584
Investment, Identifier [Axis]: Adams Publishing Group, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.00%	[19],[20],[23],[31]		11.00%	[19],[20],[23],[31]		11.00%	[17],[18],[26],[32]
Spread		8.00%	[19],[20],[21],[23],[31]		8.00%	[19],[20],[21],[23],[31]		7.00%	[17],[18],[24],[26],[32]
PIK Rate		1.00%	[13],[19],[20],[23],[31]		1.00%	[13],[19],[20],[23],[31]		1.00%	[14],[17],[18],[26],[32]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[32]				$ 775
Ending balance	[5],[19],[20],[23],[31]	$ 746			$ 746
Investment, Identifier [Axis]: Adams Publishing Group, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.00%	[19],[20],[23],[31]		11.00%	[19],[20],[23],[31]		11.00%	[17],[18],[26],[32]
Spread		8.00%	[19],[20],[21],[23],[31]		8.00%	[19],[20],[21],[23],[31]		7.00%	[17],[18],[24],[26],[32]
PIK Rate		1.00%	[13],[19],[20],[23],[31]		1.00%	[13],[19],[20],[23],[31]		1.00%	[14],[17],[18],[26],[32]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[32]				$ 16,402
Ending balance	[5],[19],[20],[23],[31]	$ 15,209			15,209
Investment, Identifier [Axis]: Airo Purchaser, Inc. | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				1,521
Ending balance	[5],[19],[20]	$ 1,650			$ 1,650
Investment, Identifier [Axis]: Airo Purchaser, Inc. | Secured Debt 1
Schedule of Investments [Line Items]
Spread		5.25%	[19],[20],[21],[22],[23]		5.25%	[19],[20],[21],[22],[23]		5.25%	[17],[18],[24],[25],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[25],[26]				$ (63)
Ending balance	[5],[19],[20],[22],[23]	$ (56)			$ (56)
Investment, Identifier [Axis]: Airo Purchaser, Inc. | Secured Debt 2
Schedule of Investments [Line Items]
Spread		5.25%	[19],[20],[21],[22],[23]		5.25%	[19],[20],[21],[22],[23]		5.25%	[17],[18],[24],[25],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[25],[26]				$ (32)
Ending balance	[5],[19],[20],[22],[23]	$ (28)			$ (28)
Investment, Identifier [Axis]: Airo Purchaser, Inc. | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		8.91%	[19],[20],[23]		8.91%	[19],[20],[23]		9.22%	[17],[18],[26]
Spread		5.25%	[19],[20],[21],[23]		5.25%	[19],[20],[21],[23]		5.25%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 27,269
Ending balance	[5],[19],[20],[23]	$ 27,457			$ 27,457
Investment, Identifier [Axis]: American Health Staffing Group, Inc. | Secured Debt 1
Schedule of Investments [Line Items]
Spread		5.25%	[19],[20],[21],[22],[23]		5.25%	[19],[20],[21],[22],[23]		5.00%	[17],[18],[24],[25],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[25],[26]				$ (2)
Ending balance	[5],[19],[20],[22],[23]	$ (2)			$ (2)
Investment, Identifier [Axis]: American Health Staffing Group, Inc. | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%	[19],[20],[23]		12.00%	[19],[20],[23]		11.75%	[17],[18],[26]
Spread		5.25%	[19],[20],[21],[23]		5.25%	[19],[20],[21],[23]		5.00%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 5,600
Ending balance	[5],[19],[20],[23]	$ 5,376			5,376
Investment, Identifier [Axis]: American Nuts, LLC | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(470)		(1,180)
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,250	[2],[7],[17]	0
Gross Additions					0		8,970
Gross Reductions					470		1,180
Ending balance		$ 3,780	[5],[8],[19]	$ 7,790	$ 3,780	[5],[8],[19]	$ 7,790
Investment, Identifier [Axis]: American Nuts, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.34%	[8],[19],[23]	12.95%	12.34%	[8],[19],[23]	12.95%	12.64%	[7],[17],[26]
Spread		8.50%	[8],[19],[21],[23]	8.50%	8.50%	[8],[19],[21],[23]	8.50%	8.50%	[7],[17],[24],[26]
PIK Rate		12.34%	[8],[13],[19],[23]	12.95%	12.34%	[8],[13],[19],[23]	12.95%	12.64%	[7],[14],[17],[26]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							253
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 8,161	[2],[7],[17],[26]	0
Gross Additions							7,653
Gross Reductions							0
Ending balance		$ 321	[5],[8],[19],[23]	$ 7,653	$ 321	[5],[8],[19],[23]	$ 7,653
Investment, Identifier [Axis]: American Nuts, LLC | Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		12.34%			12.34%
Spread		8.50%			8.50%
PIK Rate		12.34%			12.34%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					514
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					8,161
Gross Additions					514
Gross Reductions					0
Ending balance		$ 8,675			$ 8,675
Investment, Identifier [Axis]: American Nuts, LLC | Secured Debt 1.2
Schedule of Investments [Line Items]
Total Rate		12.34%			12.34%
Spread		8.50%			8.50%
PIK Rate		12.34%			12.34%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					110
Amount of Interest, Fees or Dividends Credited to Income					514
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					6,582
Gross Additions					623
Gross Reductions					0
Ending balance		$ 7,205			$ 7,205
Investment, Identifier [Axis]: American Nuts, LLC | Secured Debt 1.3
Schedule of Investments [Line Items]
Total Rate		12.34%			12.34%
Spread		8.50%			8.50%
PIK Rate		12.34%			12.34%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					10
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					321
Gross Reductions					0
Ending balance		$ 321			$ 321
Investment, Identifier [Axis]: American Nuts, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.34%	[8],[19],[23]	12.95%	12.34%	[8],[19],[23]	12.95%	12.64%	[7],[17],[26]
Spread		8.50%	[8],[19],[21],[23]	8.50%	8.50%	[8],[19],[21],[23]	8.50%	8.50%	[7],[17],[24],[26]
PIK Rate		12.34%	[8],[13],[19],[23]	12.95%	12.34%	[8],[13],[19],[23]	12.95%	12.64%	[7],[14],[17],[26]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							253
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 6,582	[2],[7],[17],[26]	0
Gross Additions							7,653
Gross Reductions							0
Ending balance		$ 8,675	[5],[8],[19],[23]	$ 7,653	$ 8,675	[5],[8],[19],[23]	7,653
Investment, Identifier [Axis]: American Nuts, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[8],[19],[23]	12.34%			12.34%
Spread	[8],[19],[21],[23]	8.50%			8.50%
PIK Rate	[8],[13],[19],[23]	12.34%			12.34%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[8],[19],[23]	$ 7,205			$ 7,205
Investment, Identifier [Axis]: Amounts related to investments transferred to or from other 1940 Act classification during the period | Preferred Equity 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		(3,450)
Amount of Interest, Fees or Dividends Credited to Income					0		227
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0		(35,920)
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		0		0	0		0
Investment, Identifier [Axis]: Amounts related to investments transferred to or from other 1940 Act classification during the period | Preferred Equity 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		3,453
Amount of Unrealized Gain/(Loss)					0		550
Amount of Interest, Fees or Dividends Credited to Income					0		291
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0		35,920
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		0		0	0		0
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC | Preferred Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					6,030	[2],[7]	0
Gross Additions							0
Gross Reductions							0
Ending balance		6,030	[5],[8]	0	6,030	[5],[8]	0
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC | Preferred Member Units 1.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					480
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					120
Gross Additions					480
Gross Reductions					0
Ending balance		600			600
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC | Preferred Member Units 1.2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					6,030
Gross Additions					0
Gross Reductions					0
Ending balance		6,030			6,030
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC | Preferred Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							40
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					120	[2],[7]	5,300
Gross Additions							40
Gross Reductions							0
Ending balance		$ 600	[5],[8]	5,340	$ 600	[5],[8]	5,340
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.25%	[8]		13.25%	[8]		13.75%	[7]
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					255
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7]				3,860
Gross Additions					6
Gross Reductions					203
Ending balance	[5],[8]	$ 3,663			3,663
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							0
Gross Reductions							0
Ending balance				$ 0			$ 0
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				17.50%			17.50%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							360
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							4,048
Gross Additions							6
Gross Reductions							100
Ending balance				$ 3,954			3,954
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC | Warrants
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7],[33]				0
Gross Additions					0
Gross Reductions					0
Ending balance	[5],[8],[34]	0			0
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC |Warrants
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							0
Gross Reductions							0
Ending balance				0			0
Investment, Identifier [Axis]: ArborWorks, LLC | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				0
Ending balance	[5],[19],[20]	0			0
Investment, Identifier [Axis]: ArborWorks, LLC | Preferred Equity 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				16,659
Ending balance	[5],[19],[20]	18,353			18,353
Investment, Identifier [Axis]: ArborWorks, LLC | Preferred Equity 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				0
Ending balance	[5],[19],[20]	$ 0			$ 0
Investment, Identifier [Axis]: ArborWorks, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.00%	[19],[20]		15.00%	[19],[20]		15.00%	[17],[18]
PIK Rate		15.00%	[13],[19],[20]		15.00%	[13],[19],[20]		15.00%	[14],[17],[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				$ 4,177
Ending balance	[5],[19],[20]	$ 4,503			$ 4,503
Investment, Identifier [Axis]: ArborWorks, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.24%	[19],[20],[23]		10.24%	[19],[20],[23]		10.34%	[17],[18],[26]
Spread		6.50%	[19],[20],[21],[23]		6.50%	[19],[20],[21],[23]		6.50%	[17],[18],[24],[26]
PIK Rate		10.24%	[13],[19],[20],[23]		10.24%	[13],[19],[20],[23]		10.34%	[14],[17],[18],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 8,985
Ending balance	[5],[19],[20],[23]	$ 9,458			9,458
Investment, Identifier [Axis]: Archer Systems, LLC | Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[27]				2,450
Ending balance	[5],[19],[20],[28]	2,450			2,450
Investment, Identifier [Axis]: Auria Space, LLC | Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[19],[20]	$ 3,040			$ 3,040
Investment, Identifier [Axis]: Auria Space, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Spread		5.00%	[19],[20],[21],[22],[23]		5.00%	[19],[20],[21],[22],[23]		5.00%	[17],[18],[24],[25],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[25],[26]				$ (168)
Ending balance	[5],[19],[20],[22],[23]	$ (151)			$ (151)
Investment, Identifier [Axis]: Auria Space, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[19],[20],[23]	8.64%			8.64%
Spread		5.00%	[19],[20],[21],[23]		5.00%	[19],[20],[21],[23]		5.00%	[17],[18],[24],[25],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[25],[26]				$ (299)
Ending balance	[5],[19],[20],[23]	$ 60,805			$ 60,805
Investment, Identifier [Axis]: Auria Space, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		8.64%	[19],[20],[23]		8.64%	[19],[20],[23]		8.72%	[17],[18],[26]
Spread		5.00%	[19],[20],[21],[23]		5.00%	[19],[20],[21],[23]		5.00%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 56,163
Ending balance	[5],[19],[20],[23]	$ 57,004			57,004
Investment, Identifier [Axis]: B-O-F Corporation | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				249
Ending balance	[5],[19],[20]	$ 249			$ 249
Investment, Identifier [Axis]: B-O-F Corporation | Secured Debt 1
Schedule of Investments [Line Items]
Spread		5.75%	[19],[20],[21],[22],[23]		5.75%	[19],[20],[21],[22],[23]		5.75%	[17],[18],[24],[25],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[25],[26]				$ (17)
Ending balance	[5],[19],[20],[22],[23]	$ (15)			$ (15)
Investment, Identifier [Axis]: B-O-F Corporation | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		8.44%	[19],[20],[23]		8.44%	[19],[20],[23]		8.74%	[17],[18],[26]
Spread		4.75%	[19],[20],[21],[23]		4.75%	[19],[20],[21],[23]		4.75%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 3,912
Ending balance	[5],[19],[20],[23]	$ 3,919			$ 3,919
Investment, Identifier [Axis]: B-O-F Corporation | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.44%	[19],[20],[23]		10.44%	[19],[20],[23]		10.74%	[17],[18],[26]
Spread		6.75%	[19],[20],[21],[23]		6.75%	[19],[20],[21],[23]		6.75%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 3,912
Ending balance	[5],[19],[20],[23]	$ 3,919			3,919
Investment, Identifier [Axis]: BDB Holdings, LLC | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(6,190)		(1,060)
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					12,640	[2],[7]	18,920
Gross Additions					0		0
Gross Reductions					6,190		1,060
Ending balance		$ 6,450	[5],[8]	$ 17,860	$ 6,450	[5],[8]	$ 17,860
Investment, Identifier [Axis]: BDB Holdings, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%	[8]	12.00%	12.00%	[8]	12.00%	12.00%	[7]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					131		17
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,773	[2],[7]	0
Gross Additions					801		420
Gross Reductions					0		0
Ending balance		$ 2,574	[5],[8]	$ 420	2,574	[5],[8]	420
Investment, Identifier [Axis]: BLI Acquisition, LLC | Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					2,100
Gross Reductions					0
Ending balance	[5],[9]	$ 2,100			$ 2,100
Investment, Identifier [Axis]: BLI Acquisition, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate	[9]	14.00%			14.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					1,040
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					13,079
Gross Reductions					0
Ending balance	[5],[9]	$ 13,079			13,079
Investment, Identifier [Axis]: BP Loenbro Holdings Inc. | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				9,910
Investment, Identifier [Axis]: BP Loenbro Holdings Inc. | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[17],[18],[26],[30]							9.75%
Spread	[17],[18],[24],[26],[30]							5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[30]				3,946
Investment, Identifier [Axis]: BP Loenbro Holdings Inc. | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[17],[18],[26]							9.84%
Spread	[17],[18],[24],[26]							5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				2,984
Investment, Identifier [Axis]: BP Loenbro Holdings Inc. | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[17],[18],[26]							9.75%
Spread	[17],[18],[24],[26]							5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				25,673
Investment, Identifier [Axis]: BP Loenbro Holdings Inc. | Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[17],[18],[26]							9.83%
Spread	[17],[18],[24],[26]							5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				9,410
Investment, Identifier [Axis]: BP Loenbro Holdings Inc. | Secured Debt 5
Schedule of Investments [Line Items]
Total Rate	[17],[18],[26]							9.84%
Spread	[17],[18],[24],[26]							5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				14,899
Investment, Identifier [Axis]: Barfly Ventures, LLC | Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							950
Amount of Interest, Fees or Dividends Credited to Income							1,103
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							5,860
Gross Additions							950
Gross Reductions							0
Ending balance				$ 6,810			$ 6,810
Investment, Identifier [Axis]: Barfly Ventures, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate				7.00%			7.00%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							24
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							711
Gross Additions							0
Gross Reductions							0
Ending balance				$ 711			711
Investment, Identifier [Axis]: Batjer TopCo, LLC | Preferred Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					750		1,820
Amount of Interest, Fees or Dividends Credited to Income					761		350
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					8,750	[2],[7],[27]	5,160
Gross Additions					750		1,820
Gross Reductions					0		0
Ending balance		9,500	[5],[8],[28]	6,980	9,500	[5],[8],[28]	6,980
Investment, Identifier [Axis]: Batjer TopCo, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							12
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[7],[25]	446
Gross Additions							1
Gross Reductions							450
Ending balance		0	[5],[8],[22]	$ (3)	0	[5],[8],[22]	$ (3)
Investment, Identifier [Axis]: Batjer TopCo, LLC | Secured Debt 1.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					(1)
Amount of Interest, Fees or Dividends Credited to Income					1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					1
Gross Reductions					1
Ending balance		$ 0			$ 0
Investment, Identifier [Axis]: Batjer TopCo, LLC | Secured Debt 1.2
Schedule of Investments [Line Items]
Total Rate		10.00%			10.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					(10)
Amount of Interest, Fees or Dividends Credited to Income					505
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					9,945
Gross Additions					10
Gross Reductions					122
Ending balance		$ 9,833			9,833
Investment, Identifier [Axis]: Batjer TopCo, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				10.00%			10.00%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							14
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[7],[25]	270
Gross Additions							0
Gross Reductions							0
Ending balance		$ 0	[5],[8],[22]	$ 270	$ 0	[5],[8],[22]	$ 270
Investment, Identifier [Axis]: Batjer TopCo, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.00%	[8]	10.00%	10.00%	[8]	10.00%	10.00%	[7]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							569
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 9,945	[2],[7]	10,529
Gross Additions							11
Gross Reductions							0
Ending balance		$ 9,833	[5],[8]	$ 10,540	9,833	[5],[8]	10,540
Investment, Identifier [Axis]: Behavior Development Group Holdings | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				300
Ending balance	[5],[19],[20]	$ 300			$ 300
Investment, Identifier [Axis]: Behavior Development Group Holdings | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[19],[20],[23],[35]	9.69%			9.69%
Spread		6.00%	[19],[20],[21],[23],[35]		6.00%	[19],[20],[21],[23],[35]		6.00%	[17],[18],[24],[25],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[25],[26]				$ (22)
Ending balance	[5],[19],[20],[23],[35]	$ 900			$ 900
Investment, Identifier [Axis]: Behavior Development Group Holdings | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.73%	[19],[20],[23]		9.73%	[19],[20],[23]		9.70%	[17],[18],[26]
Spread		6.00%	[19],[20],[21],[23]		6.00%	[19],[20],[21],[23]		6.00%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 9,454
Ending balance	[5],[19],[20],[23]	$ 9,548			9,548
Investment, Identifier [Axis]: Berry Aviation, Inc. | Preferred Member Units 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[36]				0
Ending balance	[5],[19],[20],[37]	347			347
Investment, Identifier [Axis]: Berry Aviation, Inc. | Preferred Member Units 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[36]				0
Ending balance	[5],[19],[20],[37]	0			0
Investment, Identifier [Axis]: Berry Aviation, Inc. | Preferred Member Units 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[36]				0
Ending balance	[5],[19],[20],[37]	0			0
Investment, Identifier [Axis]: Bettercloud, Inc. | Common Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					(5,704)
Amount of Unrealized Gain/(Loss)					1,200
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7],[17]				15,690
Gross Additions					1,200
Gross Reductions					16,890
Ending balance		$ 0			$ 0
Investment, Identifier [Axis]: Bettercloud, Inc. | Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7],[17],[26],[30]							12.07%
Spread		8.25%			8.25%			8.25%	[7],[17],[24],[26],[30]
PIK Rate	[7],[14],[17],[26],[30]							12.07%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					310
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7],[17],[26],[30]				6,017
Gross Additions					2,307
Gross Reductions					8,324
Ending balance		$ 0			0
Investment, Identifier [Axis]: Bluestem Brands, Inc. | Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[10],[18]				0
Ending balance	[5],[12],[20]	$ 0			$ 0
Investment, Identifier [Axis]: Bluestem Brands, Inc. | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.23%	[12],[16],[20],[23],[38]		12.23%	[12],[16],[20],[23],[38]		12.49%	[10],[15],[18],[26]
Spread		8.50%	[12],[16],[20],[21],[23],[38]		8.50%	[12],[16],[20],[21],[23],[38]		8.50%	[10],[15],[18],[24],[26]
PIK Rate		11.23%	[12],[13],[16],[20],[23],[38]		11.23%	[12],[13],[16],[20],[23],[38]		11.49%	[10],[14],[15],[18],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[10],[15],[18],[26]				$ 239
Ending balance	[5],[12],[16],[20],[23],[38]	$ 252			$ 252
Investment, Identifier [Axis]: Bluestem Brands, Inc. | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.25%	[12],[16],[20],[23],[38]		14.25%	[12],[16],[20],[23],[38]		14.25%	[10],[15],[18],[26]
Spread		7.50%	[12],[16],[20],[21],[23],[38]		7.50%	[12],[16],[20],[21],[23],[38]		7.50%	[10],[15],[18],[24],[26]
PIK Rate		13.25%	[12],[13],[16],[20],[23],[38]		13.25%	[12],[13],[16],[20],[23],[38]		13.25%	[10],[14],[15],[18],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[10],[15],[18],[26]				$ 182
Ending balance	[5],[12],[16],[20],[23],[38]	$ 84			$ 84
Investment, Identifier [Axis]: Bluestem Brands, Inc. | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.23%	[12],[16],[20],[23],[38]		12.23%	[12],[16],[20],[23],[38]		12.49%	[10],[15],[18],[26]
Spread		8.50%	[12],[16],[20],[21],[23],[38]		8.50%	[12],[16],[20],[21],[23],[38]		8.50%	[10],[15],[18],[24],[26]
PIK Rate		11.23%	[12],[13],[16],[20],[23],[38]		11.23%	[12],[13],[16],[20],[23],[38]		11.49%	[10],[14],[15],[18],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[10],[15],[18],[26]				$ 0
Ending balance	[5],[12],[16],[20],[23],[38]	$ 0			0
Investment, Identifier [Axis]: Bluestem Brands, Inc. | Warrants
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[10],[18],[33]				0
Ending balance	[5],[12],[20],[34]	0			0
Investment, Identifier [Axis]: Boccella Precast Products LLC | Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(190)		1,180
Amount of Interest, Fees or Dividends Credited to Income					60		254
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,820	[2],[11],[27]	310
Gross Additions					0		1,180
Gross Reductions					190		0
Ending balance		$ 2,630	[5],[9],[28]	$ 1,490	$ 2,630	[5],[9],[28]	$ 1,490
Investment, Identifier [Axis]: Boccella Precast Products LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.00%	[9]	10.00%	10.00%	[9]	10.00%	10.00%	[11]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		55
Amount of Interest, Fees or Dividends Credited to Income					33		15
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					256	[2],[11]	266
Gross Additions					0		55
Gross Reductions					0		65
Ending balance		$ 256	[5],[9]	$ 256	$ 256	[5],[9]	$ 256
Investment, Identifier [Axis]: Bolder Panther Group, LLC | Class B Preferred Member Units
Schedule of Investments [Line Items]
Total Rate		8.00%	[8],[28]	8.00%	8.00%	[8],[28]	8.00%	8.00%	[7],[27]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					910		(220)
Amount of Interest, Fees or Dividends Credited to Income					1,472		1,187
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					31,190	[2],[7],[27]	30,520
Gross Additions					910		0
Gross Reductions					0		220
Ending balance		$ 32,100	[5],[8],[28]	$ 30,300	$ 32,100	[5],[8],[28]	$ 30,300
Investment, Identifier [Axis]: Bolder Panther Group, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.98%	[8],[23],[39]		11.98%	[8],[23],[39]		11.10%	[7],[26],[40]
Spread		8.36%	[8],[21],[23],[39]		8.36%	[8],[21],[23],[39]		7.22%	[7],[24],[26],[40]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7],[26],[40]				$ 101,046
Ending balance	[5],[8],[23],[39]	$ 101,046			$ 101,046
Investment, Identifier [Axis]: Bolder Panther Group, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.98%		11.67%	11.98%		11.67%
Spread		8.36%		7.29%	8.36%		7.29%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(66)		(69)
Amount of Interest, Fees or Dividends Credited to Income					6,197		6,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					101,046		101,643
Gross Additions					66		68
Gross Reductions					66		665
Ending balance		$ 101,046		$ 101,046	101,046		101,046
Investment, Identifier [Axis]: Bolder Panther Group, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					37		76
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0		0
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		0		0	0		0
Investment, Identifier [Axis]: Bond Brand Loyalty ULC | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[41],[42]				0
Ending balance	[5],[19],[20],[43],[44]	0			0
Investment, Identifier [Axis]: Bond Brand Loyalty ULC | Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[41],[42]				550
Ending balance	[5],[19],[20],[43],[44]	$ 610			$ 610
Investment, Identifier [Axis]: Bond Brand Loyalty ULC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		9.59%	[19],[20],[23],[43],[44]		9.59%	[19],[20],[23],[43],[44]		9.89%	[17],[18],[26],[41],[42]
Spread		5.75%	[19],[20],[21],[23],[43],[44]		5.75%	[19],[20],[21],[23],[43],[44]		5.75%	[17],[18],[24],[26],[41],[42]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[41],[42]				$ 571
Ending balance	[5],[19],[20],[23],[43],[44]	$ 285			$ 285
Investment, Identifier [Axis]: Bond Brand Loyalty ULC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.59%	[19],[20],[23],[43],[44]		9.59%	[19],[20],[23],[43],[44]		9.59%	[17],[18],[26],[41],[42]
Spread		5.75%	[19],[20],[21],[23],[43],[44]		5.75%	[19],[20],[21],[23],[43],[44]		5.75%	[17],[18],[24],[26],[41],[42]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[41],[42]				$ 1,396
Ending balance	[5],[19],[20],[23],[43],[44]	$ 1,389			$ 1,389
Investment, Identifier [Axis]: Bond Brand Loyalty ULC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		8.59%	[19],[20],[23],[43],[44]		8.59%	[19],[20],[23],[43],[44]		8.89%	[17],[18],[26],[41],[42]
Spread		4.75%	[19],[20],[21],[23],[43],[44]		4.75%	[19],[20],[21],[23],[43],[44]		4.75%	[17],[18],[24],[26],[41],[42]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[41],[42]				$ 6,277
Ending balance	[5],[19],[20],[23],[43],[44]	$ 6,244			$ 6,244
Investment, Identifier [Axis]: Bond Brand Loyalty ULC | Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		10.59%	[19],[20],[23],[43],[44]		10.59%	[19],[20],[23],[43],[44]		10.89%	[17],[18],[26],[41],[42]
Spread		6.75%	[19],[20],[21],[23],[43],[44]		6.75%	[19],[20],[21],[23],[43],[44]		6.75%	[17],[18],[24],[26],[41],[42]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[41],[42]				$ 6,277
Ending balance	[5],[19],[20],[23],[43],[44]	$ 6,244			$ 6,244
Investment, Identifier [Axis]: Brainworks Software, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		14.00%	[16],[19],[20],[23],[38]		14.00%	[16],[19],[20],[23],[38]		14.75%	[15],[17],[18],[26],[29]
Spread		7.25%	[16],[19],[20],[21],[23],[38]		7.25%	[16],[19],[20],[21],[23],[38]		7.25%	[15],[17],[18],[24],[26],[29]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[15],[17],[18],[26],[29]				$ 0
Ending balance	[5],[16],[19],[20],[23],[38]	$ 0			$ 0
Investment, Identifier [Axis]: Brainworks Software, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.00%	[16],[19],[20],[23],[38]		14.00%	[16],[19],[20],[23],[38]		14.75%	[15],[17],[18],[26],[29]
Spread		7.25%	[16],[19],[20],[21],[23],[38]		7.25%	[16],[19],[20],[21],[23],[38]		7.25%	[15],[17],[18],[24],[26],[29]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[15],[17],[18],[26],[29]				$ 0
Ending balance	[5],[16],[19],[20],[23],[38]	$ 0			0
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC | Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							(1,420)
Amount of Interest, Fees or Dividends Credited to Income							60
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							4,680
Gross Additions							0
Gross Reductions							1,420
Ending balance				$ 3,260			$ 3,260
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC | Preferred Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					(410)
Amount of Interest, Fees or Dividends Credited to Income					60
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7],[27]				3,460
Gross Additions					0
Gross Reductions					410
Ending balance	[5],[8],[28]	$ 3,050			$ 3,050
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC | Preferred Member Units 2
Schedule of Investments [Line Items]
Total Rate		15.00%	[8],[28]		15.00%	[8],[28]		15.00%	[7],[27]
PIK Rate		15.00%	[8],[13],[28]		15.00%	[8],[13],[28]		15.00%	[7],[14],[27]
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					32
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7],[27]				336
Gross Additions					24
Gross Reductions					0
Ending balance	[5],[8],[28]	$ 360			$ 360
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.72%	[8],[23]	14.48%	13.72%	[8],[23]	14.48%	13.98%	[7],[26]
Spread		10.00%	[8],[21],[23]	10.00%	10.00%	[8],[21],[23]	10.00%	10.00%	[7],[24],[26]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					347		364
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					5,016	[2],[7],[26]	5,016
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 5,016	[5],[8],[23]	$ 5,016	5,016	[5],[8],[23]	5,016
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation | Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[7],[36]	0
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		0	[5],[8],[37]	0	0	[5],[8],[37]	0
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation | Warrants
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7],[33]				0
Ending balance	[5],[8],[34]	0			0
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation | Warrants 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0		0
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		0		0	0		0
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation | Warrants 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0		0
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		0		$ 0	0		$ 0
Investment, Identifier [Axis]: Brightwood Capital Fund Investments | LP Interests (Brightwood Capital Fund III, LP)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[18],[41],[45],[46]				2,692
Ending balance	[5],[20],[43],[47],[48]	2,607			2,607
Investment, Identifier [Axis]: Brightwood Capital Fund Investments | LP Interests (Brightwood Capital Fund IV, LP)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[18],[27],[41],[45],[46]				3,224
Ending balance	[5],[20],[28],[43],[47],[48]	2,984			2,984
Investment, Identifier [Axis]: Brightwood Capital Fund Investments | LP Interests (Brightwood Capital Fund V, LP)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[18],[27],[41],[45],[46]				5,146
Ending balance	[5],[20],[28],[43],[47],[48]	$ 5,146			$ 5,146
Investment, Identifier [Axis]: Buca C, LLC | Preferred Member Units
Schedule of Investments [Line Items]
Total Rate		6.00%	[9]	6.00%	6.00%	[9]	6.00%	6.00%	[11]
PIK Rate		6.00%	[9],[13]	6.00%	6.00%	[9],[13]	6.00%	6.00%	[11],[14]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[11]	0
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 0	[5],[9]	$ 0	$ 0	[5],[9]	$ 0
Investment, Identifier [Axis]: Buca C, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.00%	[9],[16],[38]	15.00%	15.00%	[9],[16],[38]	15.00%	15.00%	[11],[15],[29]
PIK Rate		15.00%	[9],[13],[16],[38]	15.00%	15.00%	[9],[13],[16],[38]	15.00%	15.00%	[11],[14],[15],[29]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[11],[15],[29]	0
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 0	[5],[9],[16],[38]	$ 0	$ 0	[5],[9],[16],[38]	$ 0
Investment, Identifier [Axis]: Buca C, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.00%	[9],[16],[38]	15.00%	15.00%	[9],[16],[38]	15.00%	15.00%	[11],[15],[29]
PIK Rate		15.00%	[9],[13],[16],[38]	15.00%	15.00%	[9],[13],[16],[38]	15.00%	15.00%	[11],[14],[15],[29]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(83)		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[11],[15],[29]	0
Gross Additions					83		0
Gross Reductions					83		0
Ending balance		$ 0	[5],[9],[16],[38]	$ 0	$ 0	[5],[9],[16],[38]	$ 0
Investment, Identifier [Axis]: Buca C, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		15.00%	[9],[16],[38]	15.00%	15.00%	[9],[16],[38]	15.00%	15.00%	[11],[15],[29]
PIK Rate		15.00%	[9],[13],[16],[38]	15.00%	15.00%	[9],[13],[16],[38]	15.00%	15.00%	[11],[14],[15],[29]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							(391)
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 0	[2],[11],[15],[29]	0
Gross Additions							391
Gross Reductions							391
Ending balance		$ 0	[5],[9],[16],[38]	$ 0	0	[5],[9],[16],[38]	0
Investment, Identifier [Axis]: CBT Nuggets, LLC | Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(5,760)		(580)
Amount of Interest, Fees or Dividends Credited to Income					825		1,235
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					47,930	[2],[7],[27]	49,540
Gross Additions					0		0
Gross Reductions					5,760		580
Ending balance		42,170	[5],[8],[28]	48,960	42,170	[5],[8],[28]	48,960
Investment, Identifier [Axis]: CGMS Parent LLC | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					357
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11]				10,000
Gross Additions					0
Gross Reductions					0
Ending balance	[5],[9],[28]	10,000			10,000
Investment, Identifier [Axis]: CGMS Parent LLC | Secured Debt 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11],[25]				(39)
Ending balance	[5],[9],[22]	$ (35)			$ (35)
Investment, Identifier [Axis]: CGMS Parent LLC | Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		13.00%			13.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					1,646
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					24,754
Gross Additions					27
Gross Reductions					312
Ending balance		$ 24,469			24,469
Investment, Identifier [Axis]: CGMS Parent LLC | Secured Debt 1.2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					14
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					(39)
Gross Additions					4
Gross Reductions					0
Ending balance		$ (35)			$ (35)
Investment, Identifier [Axis]: CGMS Parent LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%	[9]		13.00%	[9]		13.00%	[11]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11]				$ 24,754
Ending balance	[5],[9]	$ 24,469			$ 24,469
Investment, Identifier [Axis]: CQ Fluency, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.50%	[19],[20],[21],[22],[23]		6.50%	[19],[20],[21],[22],[23]		6.75%	[17],[18],[24],[25],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[25],[26]				$ (28)
Ending balance	[5],[19],[20],[22],[23]	$ (19)			$ (19)
Investment, Identifier [Axis]: CQ Fluency, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.33%	[19],[20],[23]		10.33%	[19],[20],[23]		10.52%	[17],[18],[26]
Spread		6.50%	[19],[20],[21],[23]		6.50%	[19],[20],[21],[23]		6.75%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 10,266
Ending balance	[5],[19],[20],[23]	$ 9,984			$ 9,984
Investment, Identifier [Axis]: CRC Evans USA Bidco, Inc. | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[17],[18],[26],[30],[41],[42]							10.87%
Spread		6.75%	[19],[20],[21],[22],[23],[43],[44]		6.75%	[19],[20],[21],[22],[23],[43],[44]		6.75%	[17],[18],[24],[26],[30],[41],[42]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[30],[41],[42]				$ 6,838
Ending balance	[5],[19],[20],[22],[23],[43],[44]	$ 0			$ 0
Investment, Identifier [Axis]: CRC Evans USA Bidco, Inc. | Secured Debt 2
Schedule of Investments [Line Items]
Spread		6.75%	[19],[20],[21],[22],[23],[43],[44]		6.75%	[19],[20],[21],[22],[23],[43],[44]		6.75%	[17],[18],[24],[25],[41],[42]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[25],[41],[42]				$ (280)
Ending balance	[5],[19],[20],[22],[23],[43],[44]	$ (240)			$ (240)
Investment, Identifier [Axis]: CRC Evans USA Bidco, Inc. | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.74%	[19],[20],[23],[43],[44]		10.74%	[19],[20],[23],[43],[44]		10.70%	[17],[18],[26],[41],[42]
Spread		6.75%	[19],[20],[21],[23],[43],[44]		6.75%	[19],[20],[21],[23],[43],[44]		6.75%	[17],[18],[24],[26],[41],[42]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[41],[42]				$ 9,355
Ending balance	[5],[19],[20],[23],[43],[44]	$ 9,296			$ 9,296
Investment, Identifier [Axis]: CRC Evans USA Bidco, Inc. | Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		10.71%	[19],[20],[23],[43],[44]		10.71%	[19],[20],[23],[43],[44]		10.83%	[17],[18],[26],[41],[42]
Spread		6.75%	[19],[20],[21],[23],[43],[44]		6.75%	[19],[20],[21],[23],[43],[44]		6.75%	[17],[18],[24],[26],[41],[42]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[41],[42]				$ 14,949
Ending balance	[5],[19],[20],[23],[43],[44]	$ 14,564			$ 14,564
Investment, Identifier [Axis]: Café Brazil, LLC | Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							(190)
Amount of Interest, Fees or Dividends Credited to Income							34
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							1,200
Gross Additions							0
Gross Reductions							190
Ending balance				1,010			1,010
Investment, Identifier [Axis]: California Splendor Holdings LLC | Preferred Member Units 1
Schedule of Investments [Line Items]
Total Rate		15.00%	[8],[28]		15.00%	[8],[28]		15.00%	[7],[27]
PIK Rate		15.00%	[8],[13],[28]		15.00%	[8],[13],[28]		15.00%	[7],[14],[27]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							(6,940)
Amount of Interest, Fees or Dividends Credited to Income							125
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 12,569	[2],[7],[27]	22,215
Gross Additions							0
Gross Reductions							6,940
Ending balance		$ 16,698	[5],[8],[28]	$ 15,275	16,698	[5],[8],[28]	$ 15,275
Investment, Identifier [Axis]: California Splendor Holdings LLC | Preferred Member Units 1.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					(4,410)
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					12,801
Gross Additions					0
Gross Reductions					4,410
Ending balance		$ 8,391			$ 8,391
Investment, Identifier [Axis]: California Splendor Holdings LLC | Preferred Member Units 1.2
Schedule of Investments [Line Items]
Total Rate		15.00%			15.00%
PIK Rate		15.00%			15.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					1,129
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					12,569
Gross Additions					4,129
Gross Reductions					0
Ending balance		$ 16,698			16,698
Investment, Identifier [Axis]: California Splendor Holdings LLC | Preferred Member Units 2
Schedule of Investments [Line Items]
Total Rate				15.00%			15.00%
PIK Rate				15.00%			15.00%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							823
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					12,801	[2],[7],[27]	10,909
Gross Additions							823
Gross Reductions							0
Ending balance		8,391	[5],[8],[28]	$ 11,732	8,391	[5],[8],[28]	$ 11,732
Investment, Identifier [Axis]: California Splendor Holdings LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				14.00%			14.00%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							388
Amount of Interest, Fees or Dividends Credited to Income							1,933
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					(11)	[2],[7],[25]	28,465
Gross Additions							593
Gross Reductions							3,292
Ending balance		$ (9)	[5],[8],[22]	$ 25,766	$ (9)	[5],[8],[22]	25,766
Investment, Identifier [Axis]: California Splendor Holdings LLC | Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		14.00%			14.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					(249)
Amount of Interest, Fees or Dividends Credited to Income					1,820
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					25,638
Gross Additions					4
Gross Reductions					249
Ending balance		$ 25,393			25,393
Investment, Identifier [Axis]: California Splendor Holdings LLC | Secured Debt 1.2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					(11)
Gross Additions					2
Gross Reductions					0
Ending balance		$ (9)			$ (9)
Investment, Identifier [Axis]: California Splendor Holdings LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.00%	[8]		14.00%	[8]		14.00%	[7]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							44
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 25,638	[2],[7]	1,506
Gross Additions							18
Gross Reductions							1,540
Ending balance		$ 25,393	[5],[8]	(16)	25,393	[5],[8]	(16)
Investment, Identifier [Axis]: Career Team Holdings, LLC | Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(204)		(186)
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					5,370	[2],[11]	4,740
Gross Additions					240		666
Gross Reductions					204		186
Ending balance		$ 5,406	[5],[9]	$ 5,220	$ 5,406	[5],[9]	$ 5,220
Investment, Identifier [Axis]: Career Team Holdings, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[9],[21],[22],[23]	6.00%	6.00%	[9],[21],[22],[23]	6.00%	6.00%	[11],[24],[25],[26]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					18		95
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					(45)	[2],[11],[25],[26]	887
Gross Additions					455		0
Gross Reductions					450		936
Ending balance		$ (40)	[5],[9],[22],[23]	$ (49)	$ (40)	[5],[9],[22],[23]	$ (49)
Investment, Identifier [Axis]: Career Team Holdings, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%	[9]	12.50%	13.00%	[9]	12.50%	13.00%	[11]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					1,471		1,341
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					21,551	[2],[11]	19,364
Gross Additions					0		2,298
Gross Reductions					35		203
Ending balance		$ 21,516	[5],[9]	$ 21,459	21,516	[5],[9]	21,459
Investment, Identifier [Axis]: CaseWorthy, Inc. | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				710
Investment, Identifier [Axis]: CenterPeak Holdings, LLC | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					3,960
Amount of Interest, Fees or Dividends Credited to Income					4,876
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11],[27]				24,340
Gross Additions					3,960
Gross Reductions					0
Ending balance	[5],[9],[28]	28,300			28,300
Investment, Identifier [Axis]: CenterPeak Holdings, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11]							15.00%
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					(6)
Amount of Interest, Fees or Dividends Credited to Income					141
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11]				1,800
Gross Additions					6
Gross Reductions					1,806
Ending balance		0			0
Investment, Identifier [Axis]: CenterPeak Holdings, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11]							15.00%
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					(4)
Amount of Interest, Fees or Dividends Credited to Income					2,086
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11]				25,107
Gross Additions					4
Gross Reductions					25,111
Ending balance		0			0
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC | Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					46,401		0
Amount of Unrealized Gain/(Loss)					(36,324)		4,140
Amount of Interest, Fees or Dividends Credited to Income					2,441		60
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					42,710	[2],[7]	12,410
Gross Additions					42,401		4,140
Gross Reductions					85,111		0
Ending balance		$ 0		$ 16,550	$ 0		$ 16,550
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Spread		8.00%		10.00%	8.00%		10.00%	8.00%	[7],[24],[25],[26]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					8		6
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[7],[25],[26]	0
Gross Additions					240		0
Gross Reductions					240		0
Ending balance		$ 0		$ 0	$ 0		$ 0
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				14.48%			14.48%	11.98%	[7],[26]
Spread		8.00%		10.00%	8.00%		10.00%	8.00%	[7],[24],[26]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(26)		(8)
Amount of Interest, Fees or Dividends Credited to Income					1,409		1,775
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					24,085	[2],[7],[26]	25,534
Gross Additions					6,826		8
Gross Reductions					30,911		1,078
Ending balance		$ 0		$ 24,464	0		24,464
Investment, Identifier [Axis]: Chamberlin Holding LLC | Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					9,910		(820)
Amount of Interest, Fees or Dividends Credited to Income					3,092		4,758
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					35,530	[2],[7],[27]	33,110
Gross Additions					9,910		0
Gross Reductions					0		820
Ending balance		45,440	[5],[8],[28]	32,290	45,440	[5],[8],[28]	32,290
Investment, Identifier [Axis]: Chamberlin Holding LLC | Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					160		140
Amount of Interest, Fees or Dividends Credited to Income					46		46
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,170	[2],[7],[27],[36]	3,550
Gross Additions					160		140
Gross Reductions					0		0
Ending balance		$ 4,330	[5],[8],[28],[37]	$ 3,690	$ 4,330	[5],[8],[28],[37]	$ 3,690
Investment, Identifier [Axis]: Chamberlin Holding LLC | Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[8],[21],[22],[23]	6.00%	6.00%	[8],[21],[22],[23]	6.00%	6.00%	[7],[24],[25],[26]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(6)		(45)
Amount of Interest, Fees or Dividends Credited to Income					18		49
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[7],[25],[26]	0
Gross Additions					6		45
Gross Reductions					6		45
Ending balance		$ 0	[5],[8],[22],[23]	$ 0	$ 0	[5],[8],[22],[23]	$ 0
Investment, Identifier [Axis]: Chamberlin Holding LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.74%	[8],[23]	12.49%	11.74%	[8],[23]	12.49%	11.99%	[7],[26]
Spread		8.00%	[8],[21],[23]	8.00%	8.00%	[8],[21],[23]	8.00%	8.00%	[7],[24],[26]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(42)		4
Amount of Interest, Fees or Dividends Credited to Income					2,518		1,064
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					42,020	[2],[7],[26]	15,620
Gross Additions					42		3,200
Gross Reductions					842		0
Ending balance		$ 41,220	[5],[8],[23]	$ 18,820	$ 41,220	[5],[8],[23]	18,820
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.66%	[19],[20],[23],[35]		10.66%	[19],[20],[23],[35]		10.84%	[17],[18],[26],[30]
Spread		6.75%	[19],[20],[21],[23],[35]		6.75%	[19],[20],[21],[23],[35]		6.75%	[17],[18],[24],[26],[30]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[30]				$ 7,250
Ending balance	[5],[19],[20],[23],[35]	$ 7,354			$ 7,354
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.64%	[19],[20],[23]		10.64%	[19],[20],[23]		10.84%	[17],[18],[26]
Spread		6.75%	[19],[20],[21],[23]		6.75%	[19],[20],[21],[23]		6.75%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 35,794
Ending balance	[5],[19],[20],[23]	$ 35,608			$ 35,608
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.64%	[19],[20],[23]		10.64%	[19],[20],[23]		10.84%	[17],[18],[26]
Spread		6.75%	[19],[20],[21],[23]		6.75%	[19],[20],[21],[23]		6.75%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 1,983
Ending balance	[5],[19],[20],[23]	$ 1,973			$ 1,973
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC | Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		10.64%	[19],[20],[23]		10.64%	[19],[20],[23]		10.84%	[17],[18],[26]
Spread		6.75%	[19],[20],[21],[23]		6.75%	[19],[20],[21],[23]		6.75%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 4,793
Ending balance	[5],[19],[20],[23]	$ 4,768			$ 4,768
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC | Secured Debt 5
Schedule of Investments [Line Items]
Total Rate	[19],[20],[23]	10.65%			10.65%
Spread	[19],[20],[21],[23]	6.75%			6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[19],[20],[23]	$ 3,908			$ 3,908
Investment, Identifier [Axis]: Charps, LLC | Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(840)		(220)
Amount of Interest, Fees or Dividends Credited to Income					490		536
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					16,020	[2],[7],[27]	15,580
Gross Additions					0		0
Gross Reductions					840		220
Ending balance		$ 15,180	[5],[8],[28]	$ 15,360	$ 15,180	[5],[8],[28]	$ 15,360
Investment, Identifier [Axis]: Charps, LLC | Unsecured Debt
Schedule of Investments [Line Items]
Total Rate		14.00%	[8]	14.00%	14.00%	[8]	14.00%	14.00%	[7]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(52)		(49)
Amount of Interest, Fees or Dividends Credited to Income					448		444
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					5,694	[2],[7]	5,694
Gross Additions					52		50
Gross Reductions					52		50
Ending balance		$ 5,694	[5],[8]	$ 5,694	5,694	[5],[8]	5,694
Investment, Identifier [Axis]: Clad-Rex Steel, LLC | Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					770		1,300
Amount of Interest, Fees or Dividends Credited to Income					695		811
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					14,120	[2],[7],[27]	10,990
Gross Additions					770		1,300
Gross Reductions					0		0
Ending balance		14,890	[5],[8],[28]	12,290	14,890	[5],[8],[28]	12,290
Investment, Identifier [Axis]: Clad-Rex Steel, LLC | Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					240		320
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,270	[2],[7],[36]	950
Gross Additions					240		320
Gross Reductions					0		0
Ending balance		1,510	[5],[8],[37]	1,270	1,510	[5],[8],[37]	1,270
Investment, Identifier [Axis]: Clad-Rex Steel, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					10		1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[7],[25]	0
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 0	[5],[8],[22]	$ 0	$ 0	[5],[8],[22]	$ 0
Investment, Identifier [Axis]: Clad-Rex Steel, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%	[8]	9.00%	10.00%	[8]	9.00%	10.00%	[7]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(12)		(5)
Amount of Interest, Fees or Dividends Credited to Income					473		312
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					9,480	[2],[7]	6,760
Gross Additions					12		5
Gross Reductions					588		485
Ending balance		$ 8,904	[5],[8]	$ 6,280	$ 8,904	[5],[8]	$ 6,280
Investment, Identifier [Axis]: Clad-Rex Steel, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.00%	[8]	10.00%	10.00%	[8]	10.00%	10.00%	[7]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					46		48
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					929	[2],[7]	973
Gross Additions					0		0
Gross Reductions					24		22
Ending balance		$ 905	[5],[8]	$ 951	905	[5],[8]	951
Investment, Identifier [Axis]: Clarius BIGS, LLC | Secured Debt
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[15],[17],[18],[29]				8
Ending balance	[5],[16],[19],[20],[38],[49]	4			4
Investment, Identifier [Axis]: Classic H&G Holdings, LLC | Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		(890)
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,040	[2],[11]	2,850
Gross Additions					0		0
Gross Reductions					0		890
Ending balance		2,040	[5],[9]	1,960	2,040	[5],[9]	1,960
Investment, Identifier [Axis]: Cody Pools, Inc. | Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(1,670)		(660)
Amount of Interest, Fees or Dividends Credited to Income					787		1,344
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					65,060	[2],[7],[27],[36]	67,810
Gross Additions					0		0
Gross Reductions					1,670		660
Ending balance		$ 63,390	[5],[8],[28],[37]	$ 67,150	$ 63,390	[5],[8],[28],[37]	$ 67,150
Investment, Identifier [Axis]: Cody Pools, Inc. | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.50%	[8]	12.50%	12.50%	[8]	12.50%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					1		(3)
Amount of Interest, Fees or Dividends Credited to Income					57		119
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[7],[25]	0
Gross Additions					3,371		4,197
Gross Reductions					2,107		425
Ending balance		$ 1,264	[5],[8]	$ 3,772	$ 1,264	[5],[8]	$ 3,772
Investment, Identifier [Axis]: Cody Pools, Inc. | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%	[8]	12.50%	12.50%	[8]	12.50%	12.50%	[7]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(76)		(6)
Amount of Interest, Fees or Dividends Credited to Income					2,209		2,375
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					34,901	[2],[7]	39,227
Gross Additions					76		7
Gross Reductions					1,359		2,154
Ending balance		$ 33,618	[5],[8]	$ 37,080	33,618	[5],[8]	37,080
Investment, Identifier [Axis]: Colonial Electric Company LLC | Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					5,280		1,700
Amount of Interest, Fees or Dividends Credited to Income					2,026		1,871
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					16,830	[2],[7],[27]	13,570
Gross Additions					5,280		1,700
Gross Reductions					0		0
Ending balance		22,110	[5],[8],[28]	15,270	22,110	[5],[8],[28]	15,270
Investment, Identifier [Axis]: Colonial Electric Company LLC | Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					4		4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[7],[25]	0
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 0	[5],[8],[22]	$ 0	$ 0	[5],[8],[22]	$ 0
Investment, Identifier [Axis]: Colonial Electric Company LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.00%	[8]	12.00%	9.00%	[8]	12.00%	9.00%	[7]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					76		(19)
Amount of Interest, Fees or Dividends Credited to Income					417		833
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					8,779	[2],[7]	14,310
Gross Additions					0		19
Gross Reductions					0		2,835
Ending balance		$ 8,779	[5],[8]	$ 11,494	8,779	[5],[8]	11,494
Investment, Identifier [Axis]: CompareNetworks Topco, LLC | Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(5,030)		(1,630)
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					7,650	[2],[7]	11,260
Gross Additions					0		0
Gross Reductions					5,030		1,630
Ending balance		$ 2,620	[5],[8]	$ 9,630	$ 2,620	[5],[8]	$ 9,630
Investment, Identifier [Axis]: CompareNetworks Topco, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate		14.72%	[8],[23]	13.48%	14.72%	[8],[23]	13.48%	12.98%	[7]
Spread		11.00%	[8],[21],[23]	9.00%	11.00%	[8],[21],[23]	9.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(58)		0
Amount of Interest, Fees or Dividends Credited to Income					300		204
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,031	[2],[7]	2,903
Gross Additions					1		11
Gross Reductions					95		210
Ending balance		$ 3,937	[5],[8],[23]	$ 2,704	3,937	[5],[8],[23]	2,704
Investment, Identifier [Axis]: Compass Systems & Sales, LLC | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					274		4
Amount of Interest, Fees or Dividends Credited to Income					120		120
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					7,180	[2],[7]	7,450
Gross Additions					662		4
Gross Reductions					0		0
Ending balance		7,842	[5],[8]	7,454	7,842	[5],[8]	7,454
Investment, Identifier [Axis]: Compass Systems & Sales, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					3		3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					(15)	[2],[7],[25]	(21)
Gross Additions					2		3
Gross Reductions					0		0
Ending balance		$ (13)	[5],[8],[22]	$ (18)	$ (13)	[5],[8],[22]	$ (18)
Investment, Identifier [Axis]: Compass Systems & Sales, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.50%	[8]	13.50%	13.50%	[8]	13.50%	13.50%	[7]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					139		(139)
Amount of Interest, Fees or Dividends Credited to Income					1,155		1,184
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					16,961	[2],[7]	17,067
Gross Additions					166		17
Gross Reductions					2,198		140
Ending balance		$ 14,929	[5],[8]	$ 16,944	$ 14,929	[5],[8]	16,944
Investment, Identifier [Axis]: Computer Data Source, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.00%	[19],[20]		15.00%	[19],[20]		12.28%	[17],[18],[26],[30]
Spread	[17],[18],[24],[26],[30]							8.25%
PIK Rate		15.00%	[13],[19],[20]		15.00%	[13],[19],[20]		12.02%	[14],[17],[18],[26],[30]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[30]				$ 8,393
Ending balance	[5],[19],[20]	$ 776			$ 776
Investment, Identifier [Axis]: Computer Data Source, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.05%	[16],[19],[20],[23],[35]		14.05%	[16],[19],[20],[23],[35]		12.02%	[17],[18],[26]
Spread		10.25%	[16],[19],[20],[21],[23],[35]		10.25%	[16],[19],[20],[21],[23],[35]		8.25%	[17],[18],[24],[26]
PIK Rate		14.05%	[13],[16],[19],[20],[23],[35]		14.05%	[13],[16],[19],[20],[23],[35]		12.02%	[14],[17],[18],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 20,352
Ending balance	[5],[16],[19],[20],[23],[35]	$ 5,912			$ 5,912
Investment, Identifier [Axis]: Computer Data Source, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[16],[19],[20],[23]	14.05%			14.05%
Spread	[16],[19],[20],[21],[23]	10.25%			10.25%
PIK Rate	[13],[16],[19],[20],[23]	14.05%			14.05%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[16],[19],[20],[23]	$ 14,412			$ 14,412
Investment, Identifier [Axis]: Congruent Credit Opportunities Funds | LP Interests (Congruent Credit Opportunities Fund III, LP)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					812		(78)
Amount of Interest, Fees or Dividends Credited to Income					0		69
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					24	[2],[11],[27],[41],[45],[46]	2,276
Gross Additions					812		0
Gross Reductions					0		1,614
Ending balance		836	[5],[9],[43],[47],[48]	662	836	[5],[9],[43],[47],[48]	662
Investment, Identifier [Axis]: Connect Telecommunications Solutions Holdings, Inc. | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					12,596	[2],[11],[41],[42]	12,596
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 12,596	[5],[9],[43],[44]	$ 12,596	$ 12,596	[5],[9],[43],[44]	$ 12,596
Investment, Identifier [Axis]: Connect Telecommunications Solutions Holdings, Inc. | Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.00%	[9],[43],[44]	13.00%	13.00%	[9],[43],[44]	13.00%	13.00%	[11],[41],[42]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					1,559		1,801
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					24,153	[2],[11],[41],[42]	27,315
Gross Additions					33		46
Gross Reductions					1,261		2,160
Ending balance		$ 22,925	[5],[9],[43],[44]	$ 25,201	22,925	[5],[9],[43],[44]	25,201
Investment, Identifier [Axis]: Copper Trail Fund Investments | LP Interests (CTMH, LP)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					65		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					390	[2],[7],[41],[45],[46]	500
Gross Additions					65		15
Gross Reductions					75		0
Ending balance		380	[5],[8],[43],[47],[48]	515	380	[5],[8],[43],[47],[48]	515
Investment, Identifier [Axis]: Core Transformers | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				627
Ending balance	[5],[19],[20]	$ 3,650			$ 3,650
Investment, Identifier [Axis]: Core Transformers | Secured Debt 1
Schedule of Investments [Line Items]
Spread		5.00%	[19],[20],[21],[22],[23]		5.00%	[19],[20],[21],[22],[23]		5.50%	[17],[18],[24],[25],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[25],[26]				$ (59)
Ending balance	[5],[19],[20],[22],[23]	$ (54)			$ (54)
Investment, Identifier [Axis]: Core Transformers | Secured Debt 2
Schedule of Investments [Line Items]
Spread		5.00%	[19],[20],[21],[22],[23]		5.00%	[19],[20],[21],[22],[23]		5.50%	[17],[18],[24],[25],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[25],[26]				$ (59)
Ending balance	[5],[19],[20],[22],[23]	$ (54)			$ (54)
Investment, Identifier [Axis]: Core Transformers | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		8.66%	[19],[20],[23]		8.66%	[19],[20],[23]		9.23%	[17],[18],[26]
Spread		5.00%	[19],[20],[21],[23]		5.00%	[19],[20],[21],[23]		5.50%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 6,151
Ending balance	[5],[19],[20],[23]	$ 6,269			$ 6,269
Investment, Identifier [Axis]: CoreStack, Inc. | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[19],[20]	10.00%			10.00%
PIK Rate	[13],[19],[20]	10.00%			10.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[19],[20]	$ 1,413			$ 1,413
Investment, Identifier [Axis]: CoreStack, Inc. | Secured Debt 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[19],[20],[49]	$ 13,089			$ 13,089
Investment, Identifier [Axis]: Coregistics Buyer LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.16%	[19],[20],[23],[43],[44]		10.16%	[19],[20],[23],[43],[44]		10.32%	[17],[18],[26],[41],[42]
Spread		6.50%	[19],[20],[21],[23],[43],[44]		6.50%	[19],[20],[21],[23],[43],[44]		6.50%	[17],[18],[24],[26],[41],[42]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[41],[42]				$ 1,656
Ending balance	[5],[19],[20],[23],[43],[44]	$ 1,655			$ 1,655
Investment, Identifier [Axis]: Coregistics Buyer LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.16%	[19],[20],[23],[43],[44]		10.16%	[19],[20],[23],[43],[44]		10.34%	[17],[18],[26],[41],[42]
Spread		6.50%	[19],[20],[21],[23],[43],[44]		6.50%	[19],[20],[21],[23],[43],[44]		6.50%	[17],[18],[24],[26],[41],[42]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[41],[42]				$ 10,484
Ending balance	[5],[19],[20],[23],[43],[44]	$ 10,409			$ 10,409
Investment, Identifier [Axis]: Coregistics Buyer LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.41%	[19],[20],[23],[43],[44]		10.41%	[19],[20],[23],[43],[44]		10.59%	[17],[18],[26],[41],[42]
Spread		6.75%	[19],[20],[21],[23],[43],[44]		6.75%	[19],[20],[21],[23],[43],[44]		6.75%	[17],[18],[24],[26],[41],[42]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[41],[42]				$ 31,678
Ending balance	[5],[19],[20],[23],[43],[44]	$ 30,389			$ 30,389
Investment, Identifier [Axis]: Coregistics Buyer LLC | Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		10.15%	[19],[20],[23],[43],[44]		10.15%	[19],[20],[23],[43],[44]		10.37%	[17],[18],[26],[41],[42]
Spread		6.50%	[19],[20],[21],[23],[43],[44]		6.50%	[19],[20],[21],[23],[43],[44]		6.50%	[17],[18],[24],[26],[41],[42]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[41],[42]				$ 6,989
Ending balance	[5],[19],[20],[23],[43],[44]	$ 6,938			6,938
Investment, Identifier [Axis]: Creative Foam Corporation | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				860
Ending balance	[5],[19],[20]	$ 600			$ 600
Investment, Identifier [Axis]: Creative Foam Corporation | Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.00%	[19],[20],[21],[22],[23]		7.00%	[19],[20],[21],[22],[23]		6.75%	[17],[18],[24],[25],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[25],[26]				$ (184)
Ending balance	[5],[19],[20],[22],[23]	$ (158)			$ (158)
Investment, Identifier [Axis]: Creative Foam Corporation | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.67%	[19],[20],[23]		10.67%	[19],[20],[23]		10.69%	[17],[18],[26]
Spread		7.00%	[19],[20],[21],[23]		7.00%	[19],[20],[21],[23]		6.75%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 5,531
Ending balance	[5],[19],[20],[23]	$ 5,528			$ 5,528
Investment, Identifier [Axis]: Creative Foam Corporation | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.73%	[19],[20],[23]		10.73%	[19],[20],[23]		10.44%	[17],[18],[26]
Spread		7.00%	[19],[20],[21],[23]		7.00%	[19],[20],[21],[23]		6.75%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 88,683
Ending balance	[5],[19],[20],[23]	$ 88,607			88,607
Investment, Identifier [Axis]: Cybermedia Technologies, LLC | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					570		1,000
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					6,340	[2],[7]	0
Gross Additions					570		3,500
Gross Reductions					0		100
Ending balance		6,910	[5],[8]	3,400	6,910	[5],[8]	3,400
Investment, Identifier [Axis]: Cybermedia Technologies, LLC | Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					770		(15,000)
Amount of Interest, Fees or Dividends Credited to Income					125		125
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[7]	15,000
Gross Additions					770		0
Gross Reductions					0		15,000
Ending balance		770	[5],[8]	0	770	[5],[8]	0
Investment, Identifier [Axis]: Cybermedia Technologies, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					5		5
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[7],[25]	0
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 0	[5],[8],[22]	$ 0	$ 0	[5],[8],[22]	$ 0
Investment, Identifier [Axis]: Cybermedia Technologies, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%	[8]	13.00%	13.00%	[8]	13.00%	13.00%	[7]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(250)		(592)
Amount of Interest, Fees or Dividends Credited to Income					1,773		1,810
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					27,076	[2],[7]	27,116
Gross Additions					30		28
Gross Reductions					1,011		681
Ending balance		$ 26,095	[5],[8]	$ 26,463	26,095	[5],[8]	26,463
Investment, Identifier [Axis]: DMA Industries, LLC | Preferred Equity 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							350
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					9,174	[2],[11]	5,944
Gross Additions							350
Gross Reductions							0
Ending balance		15,884	[5],[9]	$ 6,294	15,884	[5],[9]	$ 6,294
Investment, Identifier [Axis]: DMA Industries, LLC | Preferred Equity 1.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					6,710
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					9,174
Gross Additions					6,710
Gross Reductions					0
Ending balance		$ 15,884			$ 15,884
Investment, Identifier [Axis]: DMA Industries, LLC | Preferred Equity 1.2
Schedule of Investments [Line Items]
Total Rate		15.00%			15.00%
PIK Rate		15.00%			15.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					3,460
Amount of Interest, Fees or Dividends Credited to Income					292
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					5,424
Gross Additions					3,744
Gross Reductions					0
Ending balance		$ 9,168			$ 9,168
Investment, Identifier [Axis]: DMA Industries, LLC | Preferred Equity 2
Schedule of Investments [Line Items]
Total Rate		15.00%	[9],[28]	15.00%	15.00%	[9],[28]	15.00%	15.00%	[11],[27]
PIK Rate		15.00%	[9],[13],[28]	15.00%	15.00%	[9],[13],[28]	15.00%	15.00%	[11],[14],[27]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							180
Amount of Interest, Fees or Dividends Credited to Income							245
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 5,424	[2],[11],[27]	3,240
Gross Additions							425
Gross Reductions							0
Ending balance		$ 9,168	[5],[9],[28]	$ 3,665	$ 9,168	[5],[9],[28]	$ 3,665
Investment, Identifier [Axis]: DMA Industries, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.00%	[9]	12.00%	13.00%	[9]	12.00%	10.00%	[11]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							1,022
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 560	[2],[11]	16,722
Gross Additions							8
Gross Reductions							0
Ending balance		$ 4,642	[5],[9]	$ 16,730	$ 4,642	[5],[9]	$ 16,730
Investment, Identifier [Axis]: DMA Industries, LLC | Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		13.00%			13.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					(7)
Amount of Interest, Fees or Dividends Credited to Income					747
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					12,800
Gross Additions					7
Gross Reductions					7
Ending balance		$ 12,800			$ 12,800
Investment, Identifier [Axis]: DMA Industries, LLC | Secured Debt 1.2
Schedule of Investments [Line Items]
Total Rate		13.00%			13.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					22
Amount of Interest, Fees or Dividends Credited to Income					208
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					560
Gross Additions					4,082
Gross Reductions					0
Ending balance		$ 4,642			$ 4,642
Investment, Identifier [Axis]: DMA Industries, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%	[9]	12.00%	13.00%	[9]	12.00%	10.00%	[11]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							34
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 12,800	[2],[11]	555
Gross Additions							1
Gross Reductions							0
Ending balance		$ 12,800	[5],[9]	$ 556	12,800	[5],[9]	556
Investment, Identifier [Axis]: DTE Enterprises, LLC | Class A Preferred Member Units
Schedule of Investments [Line Items]
Total Rate	[17],[18]							8.00%
PIK Rate	[14],[17],[18]							8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				0
Investment, Identifier [Axis]: DTE Enterprises, LLC | Class AA Preferred Member Units (non-voting)
Schedule of Investments [Line Items]
Total Rate	[17],[18]							10.00%
PIK Rate	[14],[17],[18]							10.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				0
Investment, Identifier [Axis]: Dalton US Inc. | Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				650
Ending balance	[5],[19],[20]	650			650
Investment, Identifier [Axis]: Datacom, LLC | Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		(600)
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[7]	240
Gross Additions					0		360
Gross Reductions					0		600
Ending balance		$ 0	[5],[8]	$ 0	$ 0	[5],[8]	$ 0
Investment, Identifier [Axis]: Datacom, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.00%	[8]	7.50%	10.00%	[8]	7.50%	7.50%	[7]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					30		36
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					675	[2],[7]	493
Gross Additions					405		721
Gross Reductions					135		540
Ending balance		$ 945	[5],[8]	$ 674	$ 945	[5],[8]	$ 674
Investment, Identifier [Axis]: Datacom, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%	[8]	10.00%	10.00%	[8]	10.00%	10.00%	[7]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(1,859)		(689)
Amount of Interest, Fees or Dividends Credited to Income					389		471
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,169	[2],[7]	7,947
Gross Additions					0		68
Gross Reductions					1,954		823
Ending balance		$ 2,215	[5],[8]	$ 7,192	2,215	[5],[8]	7,192
Investment, Identifier [Axis]: Digital Products Holdings LLC | Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					100		100
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					9,835	[2],[7],[27]	9,835
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 9,835	[5],[8],[28]	$ 9,835	$ 9,835	[5],[8],[28]	$ 9,835
Investment, Identifier [Axis]: Digital Products Holdings LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.62%	[8],[23]	14.38%	13.62%	[8],[23]	14.38%	13.88%	[7],[26]
Spread		10.00%	[8],[21],[23]	10.00%	10.00%	[8],[21],[23]	10.00%	10.00%	[7],[24],[26]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					606		0
Amount of Interest, Fees or Dividends Credited to Income					827		898
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					11,338	[2],[7],[26]	12,422
Gross Additions					561		23
Gross Reductions					330		660
Ending balance		$ 11,569	[5],[8],[23]	$ 11,785	11,569	[5],[8],[23]	11,785
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc. | Preferred Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					7,544		540
Amount of Interest, Fees or Dividends Credited to Income					8		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					19,760	[2],[7]	17,930
Gross Additions					12,344		540
Gross Reductions					160		0
Ending balance		31,944	[5],[8]	18,470	31,944	[5],[8]	18,470
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc. | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[7]							14.00%
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							(14)
Amount of Interest, Fees or Dividends Credited to Income							23
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,785	[2],[7]	0
Gross Additions							14
Gross Reductions							14
Ending balance		0	[5],[8],[22]	$ 0	0	[5],[8],[22]	$ 0
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc. | Secured Debt 1.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					26
Amount of Interest, Fees or Dividends Credited to Income					141
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,785
Gross Additions					1,615
Gross Reductions					3,400
Ending balance		0			0
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc. | Secured Debt 1.2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					(3)
Amount of Interest, Fees or Dividends Credited to Income					281
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					23,082
Gross Additions					0
Gross Reductions					23,082
Ending balance		$ 0			$ 0
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc. | Secured Debt 1.3
Schedule of Investments [Line Items]
Total Rate		14.00%			14.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					321
Amount of Interest, Fees or Dividends Credited to Income					3,265
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					43,857
Gross Reductions					0
Ending balance		$ 43,857			$ 43,857
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc. | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.00%	[8]	14.00%	14.00%	[8]	14.00%	14.00%	[7]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							(20)
Amount of Interest, Fees or Dividends Credited to Income							1,669
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 23,082	[2],[7]	23,902
Gross Additions							20
Gross Reductions							840
Ending balance		$ 43,857	[5],[8]	$ 23,082	43,857	[5],[8]	23,082
Investment, Identifier [Axis]: Doral Holdings, LLC | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					16,410		0
Amount of Interest, Fees or Dividends Credited to Income					1,102		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					15,740	[2],[7]	0
Gross Additions					16,410		13,000
Gross Reductions					0		0
Ending balance		$ 32,150	[5],[8],[28]	13,000	$ 32,150	[5],[8],[28]	13,000
Investment, Identifier [Axis]: Doral Holdings, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.00%			11.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					166
Amount of Interest, Fees or Dividends Credited to Income					1,575
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					26,270
Gross Additions					231
Gross Reductions					5,001
Ending balance		$ 21,500			21,500
Investment, Identifier [Axis]: Doral Holdings, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[7],[25]	0
Gross Additions							0
Gross Reductions							0
Ending balance		$ 0	[5],[8],[22]	$ 0	$ 0	[5],[8],[22]	$ 0
Investment, Identifier [Axis]: Doral Holdings, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.00%	[8]	13.00%	11.00%	[8]	13.00%	13.00%	[7]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							1,047
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 26,270	[2],[7]	0
Gross Additions							29,215
Gross Reductions							0
Ending balance		$ 21,500	[5],[8]	$ 29,215	21,500	[5],[8]	29,215
Investment, Identifier [Axis]: Dos Rios Partners | LP Interests (Dos Rios Partners - A, LP)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(319)		72
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,549	[2],[11],[41],[45],[46]	2,447
Gross Additions					0		72
Gross Reductions					362		44
Ending balance		2,187	[5],[9],[43],[47],[48]	2,475	2,187	[5],[9],[43],[47],[48]	2,475
Investment, Identifier [Axis]: Dos Rios Partners | LP Interests (Dos Rios Partners, LP)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(1,004)		226
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					8,027	[2],[11],[41],[45],[46]	7,708
Gross Additions					0		226
Gross Reductions					1,141		139
Ending balance		6,886	[5],[9],[43],[47],[48]	7,795	6,886	[5],[9],[43],[47],[48]	7,795
Investment, Identifier [Axis]: Dos Rios Stone Products LLC | Class A Preferred Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[11],[17],[36]	0
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 0	[5],[9],[19],[37]	0	$ 0	[5],[9],[19],[37]	0
Investment, Identifier [Axis]: Dreyfus Government Cash Management
Schedule of Investments [Line Items]
Total Rate		3.52%			3.52%			3.70%
Investment, Identifier [Axis]: Dynamic Communities, LLC | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				$ 0
Ending balance	[5],[19],[20]	$ 0			0
Investment, Identifier [Axis]: Dynamic Communities, LLC | Preferred Equity 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				110
Ending balance	[5],[19],[20]	110			110
Investment, Identifier [Axis]: Dynamic Communities, LLC | Preferred Equity 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				0
Ending balance	[5],[19],[20]	$ 0			$ 0
Investment, Identifier [Axis]: Dynamic Communities, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.74%	[19],[20],[23]		11.74%	[19],[20],[23]		11.82%	[17],[18],[26]
Spread		8.00%	[19],[20],[21],[23]		8.00%	[19],[20],[21],[23]		8.00%	[17],[18],[24],[26]
PIK Rate		11.74%	[13],[19],[20],[23]		11.74%	[13],[19],[20],[23]		11.82%	[14],[17],[18],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 2,612
Ending balance	[5],[19],[20],[23]	$ 2,769			$ 2,769
Investment, Identifier [Axis]: Dynamic Communities, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.74%	[19],[20],[23]		12.74%	[19],[20],[23]		12.82%	[17],[18],[26]
Spread		9.00%	[19],[20],[21],[23]		9.00%	[19],[20],[21],[23]		9.00%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 2,463
Ending balance	[5],[19],[20],[23]	$ 2,463			2,463
Investment, Identifier [Axis]: EIG Fund Investments | LP Interests (EIG Global Private Debt Fund-A, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(37)		0
Amount of Interest, Fees or Dividends Credited to Income					0		16
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					37	[2],[11],[27],[41],[46]	369
Gross Additions					0		0
Gross Reductions					37		0
Ending balance		$ 0	[5],[9],[28],[43],[48]	369	$ 0	[5],[9],[28],[43],[48]	369
Investment, Identifier [Axis]: EWMW LP | Secured Debt
Schedule of Investments [Line Items]
Total Rate		9.69%	[20],[43],[48]		9.69%	[20],[43],[48]		9.87%	[18],[41],[46]
Spread		6.00%	[20],[21],[43],[48]		6.00%	[20],[21],[43],[48]		6.00%	[18],[24],[41],[46]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[18],[41],[46]				$ 3,144
Ending balance	[5],[20],[43],[48]	$ 3,016			3,016
Investment, Identifier [Axis]: Electro Technical Industries, LLC | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				2,220
Ending balance	[5],[19],[20]	$ 3,960			$ 3,960
Investment, Identifier [Axis]: Electro Technical Industries, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Spread		5.50%	[19],[20],[21],[22],[23]		5.50%	[19],[20],[21],[22],[23]		5.50%	[17],[18],[24],[25],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[25],[26]				$ (149)
Ending balance	[5],[19],[20],[22],[23]	$ (131)			$ (131)
Investment, Identifier [Axis]: Electro Technical Industries, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.14%	[19],[20],[23],[50]		9.14%	[19],[20],[23],[50]		9.22%	[17],[18],[26]
Spread		5.50%	[19],[20],[21],[23],[50]		5.50%	[19],[20],[21],[23],[50]		5.50%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 50,156
Ending balance	[5],[19],[20],[23],[50]	$ 49,517			49,517
Investment, Identifier [Axis]: Elgin AcquireCo, LLC | Common Stock 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(970)		(570)
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					5,050	[2],[7]	5,730
Gross Additions					0		0
Gross Reductions					970		570
Ending balance		4,080	[5],[8]	5,160	4,080	[5],[8]	5,160
Investment, Identifier [Axis]: Elgin AcquireCo, LLC | Common Stock 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					130		110
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					3,270	[2],[7],[36]	3,050
Gross Additions					130		110
Gross Reductions					0		0
Ending balance		$ 3,400	[5],[8],[37]	$ 3,160	$ 3,400	[5],[8],[37]	$ 3,160
Investment, Identifier [Axis]: Elgin AcquireCo, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[8],[21],[22],[23]	6.00%	6.00%	[8],[21],[22],[23]	6.00%	6.00%	[7],[24],[25],[26]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					4		5
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					(3)	[2],[7],[25],[26]	(5)
Gross Additions					1		1
Gross Reductions					0		0
Ending balance		$ (2)	[5],[8],[22],[23]	$ (4)	$ (2)	[5],[8],[22],[23]	$ (4)
Investment, Identifier [Axis]: Elgin AcquireCo, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%	[8]	12.00%	12.00%	[8]	12.00%	12.00%	[7]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(62)		0
Amount of Interest, Fees or Dividends Credited to Income					1,024		1,099
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					16,719	[2],[7]	17,969
Gross Additions					17		20
Gross Reductions					178		492
Ending balance		$ 16,558	[5],[8]	$ 17,497	$ 16,558	[5],[8]	$ 17,497
Investment, Identifier [Axis]: Elgin AcquireCo, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		9.00%	[8]	9.00%	9.00%	[8]	9.00%	9.00%	[7]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					280		283
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					6,156	[2],[7]	6,207
Gross Additions					1		1
Gross Reductions					28		26
Ending balance		$ 6,129	[5],[8]	$ 6,182	$ 6,129	[5],[8]	$ 6,182
Investment, Identifier [Axis]: Emerald Technologies Acquisition Co, Inc. | Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.13%	[12],[20],[23]		10.13%	[12],[20],[23]		10.22%	[10],[18],[26]
Spread		6.25%	[12],[20],[21],[23]		6.25%	[12],[20],[21],[23]		6.25%	[10],[18],[24],[26]
PIK Rate	[12],[13],[20],[23]	5.25%			5.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[10],[18],[26]				$ 5,878
Ending balance	[5],[12],[20],[23]	$ 7,456			7,456
Investment, Identifier [Axis]: EnCap Energy Fund Investments | LP Interests (EnCap Energy Capital Fund IX, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[18],[27],[41],[45],[46]				1,056
Investment, Identifier [Axis]: EnCap Energy Fund Investments | LP Interests (EnCap Energy Capital Fund VIII Co-Investors, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[18],[27],[41],[45],[46]				5
Investment, Identifier [Axis]: EnCap Energy Fund Investments | LP Interests (EnCap Energy Capital Fund VIII, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[18],[27],[41],[45],[46]				130
Investment, Identifier [Axis]: EnCap Energy Fund Investments | LP Interests (EnCap Energy Capital Fund X, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[18],[27],[41],[45],[46]				4,674
Investment, Identifier [Axis]: EnCap Energy Fund Investments | LP Interests (EnCap Energy Capital Fund XII, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[18],[27],[41],[45],[46]				7,731
Investment, Identifier [Axis]: EnCap Energy Fund Investments | LP Interests (EnCap Flatrock Midstream Fund II, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[18],[27],[41],[45],[46]				15
Investment, Identifier [Axis]: EnCap Energy Fund Investments | LP Interests (EnCap Flatrock Midstream Fund III, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[18],[27],[41],[45],[46]				1,947
Investment, Identifier [Axis]: EnCap Energy Fund Investments. | LP Interests (EnCap Energy Capital Fund IX, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[20],[28],[43],[47],[48]	729			729
Investment, Identifier [Axis]: EnCap Energy Fund Investments. | LP Interests (EnCap Energy Capital Fund VIII, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[20],[28],[43],[47],[48]	77			77
Investment, Identifier [Axis]: EnCap Energy Fund Investments. | LP Interests (EnCap Energy Capital Fund X, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[20],[28],[43],[47],[48]	4,309			4,309
Investment, Identifier [Axis]: EnCap Energy Fund Investments. | LP Interests (EnCap Energy Capital Fund XII, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[20],[28],[43],[47],[48]	8,765			8,765
Investment, Identifier [Axis]: EnCap Energy Fund Investments. | LP Interests (EnCap Flatrock Midstream Fund II, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[20],[43],[47],[48]	15			15
Investment, Identifier [Axis]: EnCap Energy Fund Investments. | LP Interests (EnCap Flatrock Midstream Fund III, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[20],[28],[43],[47],[48]	1,119			1,119
Investment, Identifier [Axis]: Escalent, Inc. | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				910
Ending balance	[5],[19],[20]	$ 910			$ 910
Investment, Identifier [Axis]: Escalent, Inc. | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[19],[20],[23],[35]	9.73%			9.73%
Spread		6.00%	[19],[20],[21],[23],[35]		6.00%	[19],[20],[21],[23],[35]		6.00%	[17],[18],[24],[25],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[25],[26]				$ 0
Ending balance	[5],[19],[20],[23],[35]	$ 424			$ 424
Investment, Identifier [Axis]: Escalent, Inc. | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.73%	[19],[20],[23]		9.73%	[19],[20],[23]		9.67%	[17],[18],[26]
Spread		6.00%	[19],[20],[21],[23]		6.00%	[19],[20],[21],[23]		6.00%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 1,354
Ending balance	[5],[19],[20],[23]	$ 1,333			$ 1,333
Investment, Identifier [Axis]: Escalent, Inc. | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		9.73%	[19],[20],[23]		9.73%	[19],[20],[23]		9.67%	[17],[18],[26]
Spread		6.00%	[19],[20],[21],[23]		6.00%	[19],[20],[21],[23]		6.00%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 25,517
Ending balance	[5],[19],[20],[23]	$ 25,120			25,120
Investment, Identifier [Axis]: Event Holdco, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[17],[18],[26]							10.93%
Spread	[17],[18],[24],[26]							7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				3,692
Investment, Identifier [Axis]: Event Holdco, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[17],[18],[26]							10.93%
Spread	[17],[18],[24],[26]							7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 48,035
Investment, Identifier [Axis]: Event Holdco, LLC. | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[19],[20],[23]	10.99%			10.99%
Spread	[19],[20],[21],[23]	7.00%			7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[19],[20],[23]	$ 3,692			$ 3,692
Investment, Identifier [Axis]: Event Holdco, LLC. | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[19],[20],[23]	10.99%			10.99%
Spread	[19],[20],[21],[23]	7.00%			7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[19],[20],[23]	$ 47,758			$ 47,758
Investment, Identifier [Axis]: FCC Intermediate Holdco, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.00%		13.00%	13.00%		13.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(458)		3,191
Amount of Interest, Fees or Dividends Credited to Income					2,454		2,603
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					31,160		29,109
Gross Additions					458		3,691
Gross Reductions					1,278		820
Ending balance		$ 30,340		$ 31,980	30,340		31,980
Investment, Identifier [Axis]: FCC Intermediate Holdco, LLC | Secured Debt 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11],[25]				0
Ending balance	[5],[9],[22]	$ 0			$ 0
Investment, Identifier [Axis]: FCC Intermediate Holdco, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%	[9]		13.00%	[9]		13.00%	[11]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11]				$ 31,160
Ending balance	[5],[9]	$ 30,340			30,340
Investment, Identifier [Axis]: FCC Intermediate Holdco, LLC | Warrants
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(1,540)		3,790
Amount of Interest, Fees or Dividends Credited to Income					360		570
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					15,140	[2],[11],[27],[33]	10,840
Gross Additions					0		3,790
Gross Reductions					1,540		0
Ending balance		13,600	[5],[9],[28],[34]	14,630	13,600	[5],[9],[28],[34]	14,630
Investment, Identifier [Axis]: FRG AcquireCo, LLC | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11]				3,500
Gross Additions					0
Gross Reductions					0
Ending balance	[5],[9]	3,500			3,500
Investment, Identifier [Axis]: FRG AcquireCo, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					7
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11],[25]				(19)
Gross Additions					4
Gross Reductions					0
Ending balance	[5],[9],[22]	$ (15)			$ (15)
Investment, Identifier [Axis]: FRG AcquireCo, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.50%	[9]		13.50%	[9]		13.00%	[11]
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					655
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11]				10,402
Gross Additions					27
Gross Reductions					2,018
Ending balance	[5],[9]	$ 8,411			$ 8,411
Investment, Identifier [Axis]: Fidelity Government Fund
Schedule of Investments [Line Items]
Total Rate		3.29%			3.29%			3.43%
Investment, Identifier [Axis]: Fidelity Treasury
Schedule of Investments [Line Items]
Total Rate		3.32%			3.32%			3.43%
Investment, Identifier [Axis]: Flame King Holdings, LLC | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[8],[28],[37]	$ 3,929			$ 3,929
Investment, Identifier [Axis]: Flame King Holdings, LLC | Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					52
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					3,929
Gross Reductions					0
Ending balance		3,929			3,929
Investment, Identifier [Axis]: Flame King Holdings, LLC | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					3,290		5,450
Amount of Interest, Fees or Dividends Credited to Income					2,529		6,952
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					54,630	[2],[7],[27]	35,920
Gross Additions					3,290		5,450
Gross Reductions					0		0
Ending balance		$ 57,920	[5],[8],[28]	$ 41,370	$ 57,920	[5],[8],[28]	$ 41,370
Investment, Identifier [Axis]: Flame King Holdings, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%	[8]	12.00%	12.00%	[8]	12.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(65)		0
Amount of Interest, Fees or Dividends Credited to Income					4,049		671
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					66,000		0
Gross Additions					65		65,351
Gross Reductions					65		0
Ending balance		$ 66,000	[5],[8]	$ 65,351	66,000	[5],[8]	65,351
Investment, Identifier [Axis]: Flame King Holdings, LLC | Secured Debt 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7],[25]				0
Investment, Identifier [Axis]: Flame King Holdings, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[7]							12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7]				66,000
Investment, Identifier [Axis]: Freeport Financial Funds | LP Interests (Freeport Financial SBIC Fund LP)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(201)		(347)
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,600	[2],[11],[41],[45],[46]	2,190
Gross Additions					0		0
Gross Reductions					896		347
Ending balance		704	[5],[9],[43],[47],[48]	1,843	704	[5],[9],[43],[47],[48]	1,843
Investment, Identifier [Axis]: Freeport Financial Funds | LP Interests (Freeport First Lien Loan Fund III LP)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		(82)
Amount of Interest, Fees or Dividends Credited to Income					0		(23)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					193	[2],[11],[41],[45],[46]	1,263
Gross Additions					0		0
Gross Reductions					85		1,070
Ending balance		108	[5],[9],[43],[47],[48]	193	108	[5],[9],[43],[47],[48]	193
Investment, Identifier [Axis]: Fuse, LLC | Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[10],[18]				0
Investment, Identifier [Axis]: Fuse, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate	[10],[18]							12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[10],[18]				323
Investment, Identifier [Axis]: Fuse, LLC. | Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[12],[20]	$ 0			$ 0
Investment, Identifier [Axis]: Fuse, LLC. | Secured Debt
Schedule of Investments [Line Items]
Total Rate	[12],[20]	2.50%			2.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[12],[20]	$ 272			$ 272
Investment, Identifier [Axis]: GFG Group, LLC | Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		(430)
Amount of Interest, Fees or Dividends Credited to Income					306		582
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					10,940	[2],[11],[27]	10,540
Gross Additions					0		0
Gross Reductions					0		430
Ending balance		$ 10,940	[5],[9],[28]	10,110	$ 10,940	[5],[9],[28]	10,110
Investment, Identifier [Axis]: GFG Group, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.50%	[9]		13.50%	[9]		8.00%	[11]
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					111
Amount of Interest, Fees or Dividends Credited to Income					748
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11]				14,053
Gross Additions					120
Gross Reductions					0
Ending balance	[5],[9]	$ 14,173			14,173
Investment, Identifier [Axis]: GFG Group, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							(21)
Amount of Interest, Fees or Dividends Credited to Income							185
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							8,185
Gross Additions							0
Gross Reductions							8,185
Ending balance				$ 0			$ 0
Investment, Identifier [Axis]: GFG Group, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				8.00%			8.00%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							185
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							9,253
Gross Reductions							0
Ending balance				$ 9,253			9,253
Investment, Identifier [Axis]: GRT Rubber Technologies LLC | Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(3,450)		930
Amount of Interest, Fees or Dividends Credited to Income					1,643		3,128
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					46,360	[2],[7],[27]	45,890
Gross Additions					0		930
Gross Reductions					3,450		0
Ending balance		$ 42,910	[5],[8],[28]	$ 46,820	$ 42,910	[5],[8],[28]	$ 46,820
Investment, Identifier [Axis]: GRT Rubber Technologies LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		9.72%	[8]	10.48%	9.72%	[8]	10.48%	9.98%	[7]
Spread		6.00%	[8],[21]	6.00%	6.00%	[8],[21]	6.00%	6.00%	[7],[24]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(2)		(2)
Amount of Interest, Fees or Dividends Credited to Income					157		167
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					3,146	[2],[7]	3,146
Gross Additions					2		2
Gross Reductions					2		2
Ending balance		$ 3,146	[5],[8]	$ 3,146	$ 3,146	[5],[8]	$ 3,146
Investment, Identifier [Axis]: GRT Rubber Technologies LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.72%	[8]	12.48%	11.72%	[8]	12.48%	11.98%	[7]
Spread		8.00%	[8],[21]	8.00%	8.00%	[8],[21]	8.00%	8.00%	[7],[24]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(23)		(23)
Amount of Interest, Fees or Dividends Credited to Income					2,423		2,561
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					40,493	[2],[7]	40,493
Gross Additions					23		23
Gross Reductions					23		23
Ending balance		$ 40,493	[5],[8]	$ 40,493	$ 40,493	[5],[8]	40,493
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.24%	[19],[20],[23]		10.24%	[19],[20],[23]		10.48%	[17],[18],[26],[30]
Spread		6.50%	[19],[20],[21],[23]		6.50%	[19],[20],[21],[23]		6.50%	[17],[18],[24],[26],[30]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[30]				$ 6,061
Ending balance	[5],[19],[20],[23]	$ 3,394			$ 3,394
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.24%	[19],[20],[23]		10.24%	[19],[20],[23]		10.47%	[17],[18],[26]
Spread		6.50%	[19],[20],[21],[23]		6.50%	[19],[20],[21],[23]		6.50%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 10,392
Ending balance	[5],[19],[20],[23]	$ 9,800			$ 9,800
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.24%	[19],[20],[23]		10.24%	[19],[20],[23]		10.47%	[17],[18],[26]
Spread		6.50%	[19],[20],[21],[23]		6.50%	[19],[20],[21],[23]		6.50%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 932
Ending balance	[5],[19],[20],[23]	$ 879			$ 879
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC | Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		10.24%	[19],[20],[23]		10.24%	[19],[20],[23]		10.47%	[17],[18],[26]
Spread		6.50%	[19],[20],[21],[23]		6.50%	[19],[20],[21],[23]		6.50%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 223
Ending balance	[5],[19],[20],[23]	$ 210			$ 210
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC | Secured Debt 5
Schedule of Investments [Line Items]
Total Rate		10.24%	[19],[20],[23]		10.24%	[19],[20],[23]		10.47%	[17],[18],[26]
Spread		6.50%	[19],[20],[21],[23]		6.50%	[19],[20],[21],[23]		6.50%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 6,011
Ending balance	[5],[19],[20],[23]	$ 5,670			$ 5,670
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.74%	[19],[20],[23],[35]		10.74%	[19],[20],[23],[35]		10.82%	[17],[18],[26],[30]
Spread		7.00%	[19],[20],[21],[23],[35]		7.00%	[19],[20],[21],[23],[35]		7.00%	[17],[18],[24],[26],[30]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[30]				$ 420
Ending balance	[5],[19],[20],[23],[35]	$ 319			$ 319
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.75%	[19],[20],[23]		10.75%	[19],[20],[23]		10.83%	[17],[18],[26]
Spread		7.00%	[19],[20],[21],[23]		7.00%	[19],[20],[21],[23]		7.00%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 273
Ending balance	[5],[19],[20],[23]	$ 265			$ 265
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.74%	[19],[20],[23]		10.74%	[19],[20],[23]		10.82%	[17],[18],[26]
Spread		7.00%	[19],[20],[21],[23]		7.00%	[19],[20],[21],[23]		7.00%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 3,266
Ending balance	[5],[19],[20],[23]	$ 3,182			3,182
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7],[36]				396
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC | Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							3,484
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					113,810	[2],[7],[27]	114,750
Gross Additions							0
Gross Reductions							0
Ending balance				$ 114,750			$ 114,750
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC | Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					10,650
Amount of Interest, Fees or Dividends Credited to Income					2,518
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					113,810
Gross Additions					10,650
Gross Reductions					0
Ending balance	[5],[8],[28]	124,460			124,460
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC | Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					396
Gross Additions					0
Gross Reductions					92
Ending balance	[5],[8],[37]	$ 304			$ 304
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[8],[23],[51]	11.12%			11.12%
Spread		7.50%	[8],[21],[23],[51]	7.50%	7.50%	[8],[21],[23],[51]	7.50%	7.50%	[7],[24],[25],[26],[52]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					63		3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[7],[25],[26],[52]	0
Gross Additions					1,600		0
Gross Reductions					0		0
Ending balance		$ 1,600	[5],[8],[23],[51]	$ 0	$ 1,600	[5],[8],[23],[51]	$ 0
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.12%	[8],[23],[51]	11.50%	11.12%	[8],[23],[51]	11.50%	11.38%	[7],[26],[52]
Spread		7.50%	[8],[21],[23],[51]	7.50%	7.50%	[8],[21],[23],[51]	7.50%	7.50%	[7],[24],[26],[52]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		(25)
Amount of Interest, Fees or Dividends Credited to Income					4,307		4,252
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					70,526	[2],[7],[26],[52]	73,126
Gross Additions					4,440		25
Gross Reductions					0		825
Ending balance		$ 74,966	[5],[8],[23],[51]	$ 72,326	74,966	[5],[8],[23],[51]	72,326
Investment, Identifier [Axis]: Garreco, LLC | Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(490)		(230)
Amount of Interest, Fees or Dividends Credited to Income					0		39
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,830	[2],[7]	2,060
Gross Additions					0		0
Gross Reductions					490		230
Ending balance		$ 1,340	[5],[8]	1,830	1,340	[5],[8]	1,830
Investment, Identifier [Axis]: Garyline, LLC | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				450
Investment, Identifier [Axis]: Garyline, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Spread	[17],[18],[24],[25],[26]							7.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[25],[26]				0
Investment, Identifier [Axis]: Garyline, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[17],[18],[26]							10.98%
Spread	[17],[18],[24],[26]							7.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 28,606
Investment, Identifier [Axis]: Garyline, LLC. | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[19],[20],[23],[35]	10.89%			10.89%
Spread	[19],[20],[21],[23],[35]	7.25%			7.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[19],[20],[23],[35]	$ 2,053			$ 2,053
Investment, Identifier [Axis]: Garyline, LLC. | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[19],[20],[23]	10.90%			10.90%
Spread	[19],[20],[21],[23]	7.25%			7.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[19],[20],[23]	$ 28,242			$ 28,242
Investment, Identifier [Axis]: Garyline, LLC., Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[19],[20]	450			450
Investment, Identifier [Axis]: GradeEight Corp. | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				1,229
Ending balance	[5],[19],[20]	$ 1,090			$ 1,090
Investment, Identifier [Axis]: GradeEight Corp. | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.15%	[19],[20],[23]		11.15%	[19],[20],[23]		11.23%	[17],[18],[26]
Spread		7.50%	[19],[20],[21],[23]		7.50%	[19],[20],[21],[23]		7.50%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 834
Ending balance	[5],[19],[20],[23]	$ 150			$ 150
Investment, Identifier [Axis]: GradeEight Corp. | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.37%	[19],[20],[23]		11.37%	[19],[20],[23]		11.23%	[17],[18],[26]
Spread		7.50%	[19],[20],[21],[23]		7.50%	[19],[20],[21],[23]		7.50%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 4,090
Ending balance	[5],[19],[20],[23]	$ 4,132			$ 4,132
Investment, Identifier [Axis]: GradeEight Corp. | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.13%	[19],[20],[23],[50]		11.13%	[19],[20],[23],[50]		11.31%	[17],[18],[26],[53]
Spread		7.50%	[19],[20],[21],[23],[50]		7.50%	[19],[20],[21],[23],[50]		7.25%	[17],[18],[24],[26],[53]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[53]				$ 30,135
Ending balance	[5],[19],[20],[23],[50]	$ 30,284			30,284
Investment, Identifier [Axis]: Gulf Manufacturing, LLC | Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					80		72
Amount of Interest, Fees or Dividends Credited to Income					36		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,450	[2],[11],[27],[36],[41],[42]	888
Gross Additions					80		72
Gross Reductions					0		0
Ending balance		1,530	[5],[9],[28],[37],[43]	960	1,530	[5],[9],[28],[37],[43]	960
Investment, Identifier [Axis]: Gulf Manufacturing, LLC | Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(2,970)		(130)
Amount of Interest, Fees or Dividends Credited to Income					367		354
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					6,600	[2],[11],[27],[41],[42]	14,730
Gross Additions					0		0
Gross Reductions					2,970		130
Ending balance		3,630	[5],[9],[28],[43]	$ 14,600	3,630	[5],[9],[28],[43]	$ 14,600
Investment, Identifier [Axis]: Gulf Manufacturing, LLC | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11],[41],[42]				5,190
Gross Additions					0
Gross Reductions					0
Ending balance	[5],[9],[43]	$ 5,190			$ 5,190
Investment, Identifier [Axis]: Gulf Manufacturing, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[9],[43]	11.76%			11.76%
Spread		8.13%	[9],[21],[43]	7.63%	8.13%	[9],[21],[43]	7.63%	8.13%	[11],[24],[25],[41],[42]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(60)		(42)
Amount of Interest, Fees or Dividends Credited to Income					131		18
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					(32)	[2],[11],[25],[41],[42]	0
Gross Additions					4,005		5
Gross Reductions					60		42
Ending balance		$ 3,913	[5],[9],[43]	$ (37)	$ 3,913	[5],[9],[43]	$ (37)
Investment, Identifier [Axis]: Gulf Manufacturing, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.76%	[9],[43]	12.00%	11.76%	[9],[43]	12.00%	12.01%	[11],[41],[42]
Spread		8.13%	[9],[21],[43]	7.63%	8.13%	[9],[21],[43]	7.63%	8.13%	[11],[24],[41],[42]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		(325)
Amount of Interest, Fees or Dividends Credited to Income					2,358		2,352
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					36,784	[2],[11],[41],[42]	39,000
Gross Additions					165		46
Gross Reductions					1,000		1,325
Ending balance		$ 35,949	[5],[9],[43]	$ 37,721	35,949	[5],[9],[43]	37,721
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC | Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							0
Gross Reductions							0
Ending balance				0			0
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							0
Gross Reductions							0
Ending balance				$ 0			$ 0
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Spread				9.50%			9.50%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							0
Gross Reductions							0
Ending balance				$ 0			$ 0
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				12.50%			12.50%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							467
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							1,518
Gross Additions							360
Gross Reductions							0
Ending balance				$ 1,878			1,878
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				0
Ending balance	[5],[19],[20]	$ 0			$ 0
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		9.01%	[16],[19],[20],[23]		9.01%	[16],[19],[20],[23]		9.01%	[15],[17],[18],[26]
Spread		3.50%	[16],[19],[20],[21],[23]		3.50%	[16],[19],[20],[21],[23]		3.50%	[15],[17],[18],[24],[26]
PIK Rate		2.50%	[13],[16],[19],[20],[23]		2.50%	[13],[16],[19],[20],[23]		2.50%	[14],[15],[17],[18],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[15],[17],[18],[26]				$ 2,272
Ending balance	[5],[16],[19],[20],[23]	$ 1,161			$ 1,161
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		2.50%	[16],[19],[20]		2.50%	[16],[19],[20]		2.50%	[15],[17],[18]
PIK Rate		2.50%	[13],[16],[19],[20]		2.50%	[13],[16],[19],[20]		2.50%	[14],[15],[17],[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[15],[17],[18]				$ 0
Ending balance	[5],[16],[19],[20]	$ 0			$ 0
Investment, Identifier [Axis]: HOWLCO LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.33%	[12],[20],[23],[43],[44]		10.33%	[12],[20],[23],[43],[44]		10.51%	[10],[18],[26],[41],[42]
Spread		6.50%	[12],[20],[21],[23],[43],[44]		6.50%	[12],[20],[21],[23],[43],[44]		6.50%	[10],[18],[24],[26],[41],[42]
PIK Rate		3.50%	[12],[13],[20],[23],[43],[44]		3.50%	[12],[13],[20],[23],[43],[44]		3.50%	[10],[14],[18],[26],[41],[42]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[10],[18],[26],[41],[42]				$ 26,616
Ending balance	[5],[12],[20],[23],[43],[44]	$ 26,655			26,655
Investment, Identifier [Axis]: HPEP 3, L.P. | LP Interests (HPEP 3, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							194
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							4,472
Gross Additions							194
Gross Reductions							204
Ending balance				4,462			4,462
Investment, Identifier [Axis]: HPEP 3, L.P. | LP Interests (HPEP 4, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							425
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							5,861
Gross Additions							1,302
Gross Reductions							0
Ending balance				7,163			7,163
Investment, Identifier [Axis]: HPEP 423 COR, LP | LP Interests (423 COR, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							981
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							4,187
Gross Additions							981
Gross Reductions							0
Ending balance				5,168			5,168
Investment, Identifier [Axis]: Harris Preston Fund Investments | LP Interests (2717 GRE-LP, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					75
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7],[41],[45],[46]				441
Gross Additions					75
Gross Reductions					0
Ending balance	[5],[8],[43],[47],[48]	516			516
Investment, Identifier [Axis]: Harris Preston Fund Investments | LP Interests (2717 HPP-MS, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					(190)
Amount of Interest, Fees or Dividends Credited to Income					282
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7],[41],[45],[46]				447
Gross Additions					0
Gross Reductions					190
Ending balance	[5],[8],[28],[43],[47],[48]	257			257
Investment, Identifier [Axis]: Harris Preston Fund Investments | LP Interests (2717 MH, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					70
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7],[41],[45],[46]				1,795
Gross Additions					70
Gross Reductions					0
Ending balance	[5],[8],[43],[47],[48]	1,865			1,865
Investment, Identifier [Axis]: Harris Preston Fund Investments | LP Interests (423 AER II, LP)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[18],[41],[45],[46]				1,590
Ending balance	[5],[20],[43],[47],[48]	2,089			2,089
Investment, Identifier [Axis]: Harris Preston Fund Investments | LP Interests (423 COR, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					(250)
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7],[41],[45],[46]				5,244
Gross Additions					0
Gross Reductions					250
Ending balance	[5],[8],[43],[47],[48]	4,994			4,994
Investment, Identifier [Axis]: Harris Preston Fund Investments | LP Interests (423 HAR, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					76
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11],[27],[41],[45],[46]				1,226
Gross Additions					76
Gross Reductions					0
Ending balance	[5],[9],[28],[43],[47],[48]	1,302			1,302
Investment, Identifier [Axis]: Harris Preston Fund Investments | LP Interests (HPEP 3, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					(58)
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11],[41],[45],[46]				4,116
Gross Additions					0
Gross Reductions					310
Ending balance	[5],[9],[43],[47],[48]	3,806			3,806
Investment, Identifier [Axis]: Harris Preston Fund Investments | LP Interests (HPEP 4, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					870
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11],[41],[45],[46]				7,463
Gross Additions					2,154
Gross Reductions					0
Ending balance	[5],[9],[43],[47],[48]	9,617			9,617
Investment, Identifier [Axis]: Harris Preston Fund Investments | LP Interests (HPEP 5, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[20],[43],[47],[48]	500			500
Investment, Identifier [Axis]: Harrison Hydra-Gen, Ltd. | Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(580)		260
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					7,080	[2],[7],[27]	7,010
Gross Additions					0		260
Gross Reductions					580		0
Ending balance		6,500	[5],[8],[28]	7,270	6,500	[5],[8],[28]	7,270
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC | Preferred Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							2,470
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					26,310	[2],[11],[27]	20,260
Gross Additions							2,470
Gross Reductions							0
Ending balance		26,310	[5],[9],[28]	22,730	26,310	[5],[9],[28]	22,730
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC | Preferred Member Units 1.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					26,310
Gross Additions					0
Gross Reductions					0
Ending balance		26,310			26,310
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC | Preferred Member Units 1.2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,380
Gross Additions					0
Gross Reductions					0
Ending balance		1,380			1,380
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC | Preferred Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							130
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,380	[2],[11],[36]	1,070
Gross Additions							130
Gross Reductions							0
Ending balance		$ 1,380	[5],[9],[37]	$ 1,200	$ 1,380	[5],[9],[37]	$ 1,200
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				10.48%			10.48%	9.98%	[11],[26]
Spread		6.00%	[9],[21],[22],[23]	6.00%	6.00%	[9],[21],[22],[23]	6.00%	6.00%	[11],[24],[26]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							173
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 3,219	[2],[11],[26]	2,645
Gross Additions							3,245
Gross Reductions							3,400
Ending balance		$ 0	[5],[9],[22],[23]	$ 2,490	0	[5],[9],[22],[23]	$ 2,490
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC | Secured Debt 1.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					3,219
Gross Additions					0
Gross Reductions					3,219
Ending balance		$ 0			$ 0
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC | Secured Debt 1.2
Schedule of Investments [Line Items]
Spread		6.00%			6.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					21
Amount of Interest, Fees or Dividends Credited to Income					33
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					1,852
Gross Reductions					1,852
Ending balance		$ 0			0
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC | Secured Debt 1.3
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					45,256
Gross Additions					0
Gross Reductions					45,256
Ending balance		$ 0			$ 0
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC | Secured Debt 1.4
Schedule of Investments [Line Items]
Total Rate		12.00%			12.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					247
Amount of Interest, Fees or Dividends Credited to Income					3,267
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					49,871
Gross Reductions					0
Ending balance		$ 49,871			49,871
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				12.50%			12.50%	11.00%	[11]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							(27)
Amount of Interest, Fees or Dividends Credited to Income							2,871
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					45,256	[2],[11]	45,256
Gross Additions							27
Gross Reductions							27
Ending balance		0	[5],[9],[22]	$ 45,256	0	[5],[9],[22]	45,256
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC | Secured Debt 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[9],[22]	$ 0			$ 0
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC | Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[9]	12.00%			12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[9]	$ 49,871			$ 49,871
Investment, Identifier [Axis]: Hornblower Sub, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		9.17%	[19],[20],[23]		9.17%	[19],[20],[23]		9.32%	[17],[18],[26],[30]
Spread		5.50%	[19],[20],[21],[23]		5.50%	[19],[20],[21],[23]		5.50%	[17],[18],[24],[26],[30]
PIK Rate		1.50%	[13],[19],[20],[23]		1.50%	[13],[19],[20],[23]		1.50%	[14],[17],[18],[26],[30]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[30]				$ 4,697
Ending balance	[5],[19],[20],[23]	$ 1,920			$ 1,920
Investment, Identifier [Axis]: Hornblower Sub, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.18%	[19],[20],[23]		9.18%	[19],[20],[23]		9.46%	[17],[18],[26]
Spread		5.50%	[19],[20],[21],[23]		5.50%	[19],[20],[21],[23]		5.50%	[17],[18],[24],[26]
PIK Rate		1.50%	[13],[19],[20],[23]		1.50%	[13],[19],[20],[23]		1.50%	[14],[17],[18],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 32,163
Ending balance	[5],[19],[20],[23]	$ 33,052			$ 33,052
Investment, Identifier [Axis]: Horwitz Holdings, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Spread	[19],[20],[21],[22],[23]	5.50%			5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[19],[20],[22],[23]	$ (481)			$ (481)
Investment, Identifier [Axis]: Horwitz Holdings, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Spread	[19],[20],[21],[22],[23]	5.50%			5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[19],[20],[22],[23]	$ (321)			$ (321)
Investment, Identifier [Axis]: Horwitz Holdings, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[19],[20],[23]	9.23%			9.23%
Spread	[19],[20],[21],[23]	5.50%			5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[19],[20],[23]	$ 79,868			$ 79,868
Investment, Identifier [Axis]: Houston Plating and Coatings, LLC | Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(530)		420
Amount of Interest, Fees or Dividends Credited to Income					98		114
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					3,720	[2],[11],[27]	3,930
Gross Additions					0		420
Gross Reductions					530		0
Ending balance		$ 3,190	[5],[9],[28]	$ 4,350	$ 3,190	[5],[9],[28]	$ 4,350
Investment, Identifier [Axis]: Houston Plating and Coatings, LLC | Unsecured Convertible Debt
Schedule of Investments [Line Items]
Total Rate		10.00%	[9]	10.00%	10.00%	[9]	10.00%	10.00%	[11]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					28		60
Amount of Interest, Fees or Dividends Credited to Income					153		151
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					3,000	[2],[11]	2,940
Gross Additions					1		60
Gross Reductions					1		0
Ending balance		$ 3,000	[5],[9]	$ 3,000	$ 3,000	[5],[9]	3,000
Investment, Identifier [Axis]: Hybrid Promotions, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.94%	[19],[20],[23]		11.94%	[19],[20],[23]		12.24%	[17],[18],[26]
Spread		8.25%	[19],[20],[21],[23]		8.25%	[19],[20],[21],[23]		8.25%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 7,200
Ending balance	[5],[19],[20],[23]	$ 7,200			7,200
Investment, Identifier [Axis]: IG Investor, LLC | Common Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					3,170		3,330
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					28,030	[2],[7]	16,230
Gross Additions					3,170		3,330
Gross Reductions					0		0
Ending balance		$ 31,200	[5],[8]	$ 19,560	$ 31,200	[5],[8]	$ 19,560
Investment, Identifier [Axis]: IG Investor, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.00%	[8]	13.00%	13.00%	[8]	13.00%	13.00%	[7]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(4)		24
Amount of Interest, Fees or Dividends Credited to Income					83		115
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,600	[2],[7]	1,572
Gross Additions					4		28
Gross Reductions					804		0
Ending balance		$ 800	[5],[8]	$ 1,600	$ 800	[5],[8]	$ 1,600
Investment, Identifier [Axis]: IG Investor, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%	[8]	13.00%	13.00%	[8]	13.00%	13.00%	[7]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(41)		209
Amount of Interest, Fees or Dividends Credited to Income					2,271		2,330
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					35,064	[2],[7]	35,257
Gross Additions					41		247
Gross Reductions					1,641		440
Ending balance		$ 33,464	[5],[8]	$ 35,064	$ 33,464	[5],[8]	$ 35,064
Investment, Identifier [Axis]: IG Parent Corporation | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[12],[20],[23]	9.49%			9.49%
Spread		5.75%	[12],[20],[21],[23]		5.75%	[12],[20],[21],[23]		5.75%	[10],[18],[24],[25],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[10],[18],[25],[26]				$ 0
Ending balance	[5],[12],[20],[23]	$ 153			$ 153
Investment, Identifier [Axis]: IG Parent Corporation | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.49%	[12],[20],[23]		9.49%	[12],[20],[23]		9.57%	[10],[18],[26]
Spread		5.75%	[12],[20],[21],[23]		5.75%	[12],[20],[21],[23]		5.75%	[10],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[10],[18],[26]				$ 10,127
Ending balance	[5],[12],[20],[23]	$ 10,075			$ 10,075
Investment, Identifier [Axis]: IG Parent Corporation | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		9.49%	[12],[20],[23]		9.49%	[12],[20],[23]		9.57%	[10],[18],[26]
Spread		5.75%	[12],[20],[21],[23]		5.75%	[12],[20],[21],[23]		5.75%	[10],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[10],[18],[26]				$ 4,853
Ending balance	[5],[12],[20],[23]	$ 4,828			$ 4,828
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.90%	[9],[23]	12.46%	10.90%	[9],[23]	12.46%	11.15%	[11],[26]
Spread		7.00%	[9],[21],[23]	8.00%	7.00%	[9],[21],[23]	8.00%	7.00%	[11],[24],[26]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							(2)
Amount of Interest, Fees or Dividends Credited to Income							79
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 1,180	[2],[11],[26]	1,180
Gross Additions							2
Gross Reductions							2
Ending balance		$ 1,180	[5],[9],[23]	$ 1,180	$ 1,180	[5],[9],[23]	$ 1,180
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		10.90%			10.90%
Spread		7.00%			7.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					(2)
Amount of Interest, Fees or Dividends Credited to Income					67
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,180
Gross Additions					2
Gross Reductions					2
Ending balance		$ 1,180			$ 1,180
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Secured Debt 1.2
Schedule of Investments [Line Items]
Total Rate		10.90%			10.90%
Spread		7.00%			7.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					(5)
Amount of Interest, Fees or Dividends Credited to Income					327
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					5,310
Gross Additions					1,185
Gross Reductions					5
Ending balance		$ 6,490			$ 6,490
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Secured Debt 1.3
Schedule of Investments [Line Items]
Total Rate		10.90%			10.90%
Spread		7.00%			7.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					(133)
Amount of Interest, Fees or Dividends Credited to Income					404
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,935
Gross Additions					133
Gross Reductions					133
Ending balance		$ 4,935			$ 4,935
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Secured Debt 1.4
Schedule of Investments [Line Items]
Total Rate		10.90%			10.90%
Spread		7.00%			7.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					(133)
Amount of Interest, Fees or Dividends Credited to Income					404
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,935
Gross Additions					133
Gross Reductions					133
Ending balance		$ 4,935			$ 4,935
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Secured Debt 1.5
Schedule of Investments [Line Items]
Total Rate		10.90%			10.90%
Spread		7.00%			7.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					(2)
Amount of Interest, Fees or Dividends Credited to Income					98
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,770
Gross Additions					2
Gross Reductions					2
Ending balance		$ 1,770			$ 1,770
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Secured Debt 1.6
Schedule of Investments [Line Items]
Total Rate		10.90%			10.90%
Spread		7.00%			7.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					85
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					2,360
Gross Reductions					0
Ending balance		$ 2,360			$ 2,360
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.90%	[9],[23]		10.90%	[9],[23]		11.15%	[11],[26]
Spread		7.00%	[9],[21],[23]	8.00%	7.00%	[9],[21],[23]	8.00%	7.00%	[11],[24],[26]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							(12)
Amount of Interest, Fees or Dividends Credited to Income							77
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 5,310	[2],[11],[26]	994
Gross Additions							0
Gross Reductions							994
Ending balance		$ 6,490	[5],[9],[23]	$ 0	$ 6,490	[5],[9],[23]	$ 0
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.90%	[9],[23]		10.90%	[9],[23]		11.15%	[11],[26]
Spread		7.00%	[9],[21],[23]	7.00%	7.00%	[9],[21],[23]	7.00%	7.00%	[11],[24],[26]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 4,935	[2],[11],[26]	0
Gross Additions							0
Gross Reductions							0
Ending balance		$ 4,935	[5],[9],[23]	$ 0	$ 4,935	[5],[9],[23]	$ 0
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		10.90%	[9],[23]	11.46%	10.90%	[9],[23]	11.46%	11.15%	[11],[26]
Spread		7.00%	[9],[21],[23]	7.00%	7.00%	[9],[21],[23]	7.00%	7.00%	[11],[24],[26]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							(133)
Amount of Interest, Fees or Dividends Credited to Income							403
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 4,935	[2],[11],[26]	4,438
Gross Additions							630
Gross Reductions							133
Ending balance		$ 4,935	[5],[9],[23]	$ 4,935	$ 4,935	[5],[9],[23]	$ 4,935
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Secured Debt 5
Schedule of Investments [Line Items]
Total Rate		10.90%	[9],[23]	13.46%	10.90%	[9],[23]	13.46%	11.15%	[11],[26]
Spread		7.00%	[9],[21],[23]	9.00%	7.00%	[9],[21],[23]	9.00%	7.00%	[11],[24],[26]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							(133)
Amount of Interest, Fees or Dividends Credited to Income							448
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 1,770	[2],[11],[26]	4,438
Gross Additions							630
Gross Reductions							133
Ending balance		$ 1,770	[5],[9],[23]	$ 4,935	$ 1,770	[5],[9],[23]	$ 4,935
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Secured Debt 6
Schedule of Investments [Line Items]
Total Rate		10.90%	[9],[23]	11.46%	10.90%	[9],[23]	11.46%
Spread		7.00%	[9],[21],[23]	7.00%	7.00%	[9],[21],[23]	7.00%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							7
Amount of Interest, Fees or Dividends Credited to Income							11
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							1,770
Gross Reductions							0
Ending balance		$ 2,360	[5],[9],[23]	$ 1,770	$ 2,360	[5],[9],[23]	1,770
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Warrants
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(400)		4,150
Amount of Interest, Fees or Dividends Credited to Income					1,688		844
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					15,230	[2],[11],[27],[33]	5,690
Gross Additions					0		4,150
Gross Reductions					400		0
Ending balance		$ 14,830	[5],[9],[28],[34]	9,840	$ 14,830	[5],[9],[28],[34]	9,840
Investment, Identifier [Axis]: Ignite Visibility LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		8.69%	[19],[20],[23]		8.69%	[19],[20],[23]		8.84%	[17],[18],[26]
Spread		5.00%	[19],[20],[21],[23]		5.00%	[19],[20],[21],[23]		5.00%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 4,689
Ending balance	[5],[19],[20],[23]	$ 4,757			$ 4,757
Investment, Identifier [Axis]: Ignite Visibility LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.69%	[19],[20],[23]		10.69%	[19],[20],[23]		10.84%	[17],[18],[26]
Spread		7.00%	[19],[20],[21],[23]		7.00%	[19],[20],[21],[23]		7.00%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 4,689
Ending balance	[5],[19],[20],[23]	$ 4,756			4,756
Investment, Identifier [Axis]: Imaging Business Machines, L.L.C. | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				1,090
Ending balance	[5],[19],[20],[28]	1,090			1,090
Investment, Identifier [Axis]: Implus Footcare, LLC | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				4,910
Ending balance	[5],[19],[20]	$ 5,690			$ 5,690
Investment, Identifier [Axis]: Implus Footcare, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		9.74%	[19],[20],[23]		9.74%	[19],[20],[23]		9.68%	[17],[18],[26]
Spread		6.00%	[19],[20],[21],[23]		6.00%	[19],[20],[21],[23]		6.00%	[17],[18],[24],[26]
PIK Rate		4.00%	[13],[19],[20],[23]		4.00%	[13],[19],[20],[23]		4.00%	[14],[17],[18],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 1,944
Ending balance	[5],[19],[20],[23]	$ 1,983			$ 1,983
Investment, Identifier [Axis]: Implus Footcare, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.74%	[19],[20],[23]		9.74%	[19],[20],[23]		9.68%	[17],[18],[26]
Spread		6.00%	[19],[20],[21],[23]		6.00%	[19],[20],[21],[23]		6.00%	[17],[18],[24],[26]
PIK Rate		9.74%	[13],[19],[20],[23]		9.74%	[13],[19],[20],[23]		9.68%	[14],[17],[18],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 4,425
Ending balance	[5],[19],[20],[23]	$ 4,644			4,644
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC | Common Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(80)		(630)
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					19,000	[2],[11],[17]	20,390
Gross Additions					0		0
Gross Reductions					80		630
Ending balance		18,920	[5],[9],[19]	19,760	18,920	[5],[9],[19]	19,760
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					8,780		(530)
Amount of Interest, Fees or Dividends Credited to Income					1,402		1,155
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					8,010	[2],[11],[27]	9,080
Gross Additions					8,780		0
Gross Reductions					0		530
Ending balance		16,790	[5],[9],[28]	8,550	16,790	[5],[9],[28]	8,550
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate	[11]							12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11]				15,299
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							(96)
Amount of Interest, Fees or Dividends Credited to Income							683
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							15,050
Gross Additions							0
Gross Reductions							15,050
Ending balance		$ 0	[5],[9],[22]	$ 0	$ 0	[5],[9],[22]	$ 0
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC | Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		12.00%			12.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					(3)
Amount of Interest, Fees or Dividends Credited to Income					905
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					15,299
Gross Additions					3
Gross Reductions					453
Ending balance		$ 14,849			14,849
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC | Secured Debt 1.2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					49
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					4,000
Gross Reductions					4,000
Ending balance		$ 0			$ 0
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%	[9]	12.00%	12.00%	[9]	12.00%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							14
Amount of Interest, Fees or Dividends Credited to Income							339
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							16,372
Gross Reductions							0
Ending balance		$ 14,849	[5],[9]	$ 16,372	$ 14,849	[5],[9]	16,372
Investment, Identifier [Axis]: Insight Borrower Corporation | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				270
Ending balance	[5],[19],[20]	$ 40			$ 40
Investment, Identifier [Axis]: Insight Borrower Corporation | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		9.95%	[19],[20],[23],[35]		9.95%	[19],[20],[23],[35]		10.10%	[17],[18],[26]
Spread		6.25%	[19],[20],[21],[23],[35]		6.25%	[19],[20],[21],[23],[35]		6.25%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 1,341
Ending balance	[5],[19],[20],[23],[35]	$ 561			$ 561
Investment, Identifier [Axis]: Insight Borrower Corporation | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.92%	[19],[20],[23]		9.92%	[19],[20],[23]		10.12%	[17],[18],[26]
Spread		6.25%	[19],[20],[21],[23]		6.25%	[19],[20],[21],[23]		6.25%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 13,140
Ending balance	[5],[19],[20],[23]	$ 12,788			12,788
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				97
Ending balance	[5],[19],[20]	$ 97			$ 97
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.22%	[19],[20],[23]		13.22%	[19],[20],[23]		13.97%	[17],[18],[26]
Spread		9.50%	[19],[20],[21],[23]		9.50%	[19],[20],[21],[23]		10.00%	[17],[18],[24],[26]
PIK Rate		1.50%	[13],[19],[20],[23]		1.50%	[13],[19],[20],[23]		2.00%	[14],[17],[18],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 808
Ending balance	[5],[19],[20],[23]	$ 818			$ 818
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.22%	[19],[20],[23]		13.22%	[19],[20],[23]		13.97%	[17],[18],[26]
Spread		9.50%	[19],[20],[21],[23]		9.50%	[19],[20],[21],[23]		10.00%	[17],[18],[24],[26]
PIK Rate		1.50%	[13],[19],[20],[23]		1.50%	[13],[19],[20],[23]		2.00%	[14],[17],[18],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 6,889
Ending balance	[5],[19],[20],[23]	$ 6,904			$ 6,904
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		13.22%	[19],[20],[23]		13.22%	[19],[20],[23]		13.97%	[17],[18],[26]
Spread		9.50%	[19],[20],[21],[23]		9.50%	[19],[20],[21],[23]		10.00%	[17],[18],[24],[26]
PIK Rate		1.50%	[13],[19],[20],[23]		1.50%	[13],[19],[20],[23]		2.00%	[14],[17],[18],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 2,773
Ending balance	[5],[19],[20],[23]	$ 2,776			$ 2,776
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC | Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		13.22%	[19],[20],[23]		13.22%	[19],[20],[23]		13.97%	[17],[18],[26]
Spread		9.50%	[19],[20],[21],[23]		9.50%	[19],[20],[21],[23]		10.00%	[17],[18],[24],[26]
PIK Rate		1.50%	[13],[19],[20],[23]		1.50%	[13],[19],[20],[23]		2.00%	[14],[17],[18],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 320
Ending balance	[5],[19],[20],[23]	$ 320			320
Investment, Identifier [Axis]: Integral Energy Services | Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					70		140
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					350	[2],[11],[17]	550
Gross Additions					70		140
Gross Reductions					0		0
Ending balance		$ 420	[5],[9],[19]	$ 690	$ 420	[5],[9],[19]	$ 690
Investment, Identifier [Axis]: Integral Energy Services | Preferred Equity 1
Schedule of Investments [Line Items]
Total Rate		10.00%	[9],[19],[28]	10.00%	10.00%	[9],[19],[28]	10.00%	10.00%	[11],[17],[27]
PIK Rate		10.00%	[9],[13],[19],[28]	10.00%	10.00%	[9],[13],[19],[28]	10.00%	10.00%	[11],[14],[17],[27]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		55
Amount of Interest, Fees or Dividends Credited to Income					14		13
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					420	[2],[11],[17],[27]	452
Gross Additions					15		68
Gross Reductions					0		0
Ending balance		$ 435	[5],[9],[19],[28]	$ 520	$ 435	[5],[9],[19],[28]	$ 520
Investment, Identifier [Axis]: Integral Energy Services | Preferred Equity 2
Schedule of Investments [Line Items]
Total Rate		10.00%	[9],[19]	10.00%	10.00%	[9],[19]	10.00%	10.00%	[11],[17]
PIK Rate		10.00%	[9],[13],[19]	10.00%	10.00%	[9],[13],[19]	10.00%	10.00%	[11],[14],[17]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					86		76
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					404	[2],[11],[17]	0
Gross Additions					86		190
Gross Reductions					0		0
Ending balance		$ 490	[5],[9],[19]	$ 190	$ 490	[5],[9],[19]	$ 190
Investment, Identifier [Axis]: Integral Energy Services | Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.46%	[9],[19],[23]	12.06%	11.46%	[9],[19],[23]	12.06%	11.75%	[11],[17],[26]
Spread		7.50%	[9],[19],[21],[23]	7.50%	7.50%	[9],[19],[21],[23]	7.50%	7.50%	[11],[17],[24],[26]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(52)		(187)
Amount of Interest, Fees or Dividends Credited to Income					731		839
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					12,042	[2],[11],[17],[26]	12,728
Gross Additions					0		29
Gross Reductions					172		829
Ending balance		$ 11,870	[5],[9],[19],[23]	$ 11,928	11,870	[5],[9],[19],[23]	11,928
Investment, Identifier [Axis]: Interface Security Systems, L.L.C | Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				0
Ending balance	[5],[19],[20]	$ 0			$ 0
Investment, Identifier [Axis]: Interface Security Systems, L.L.C | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.77%	[19],[20],[35],[38]		13.77%	[19],[20],[35],[38]		13.92%	[17],[18],[29],[30]
Spread		10.00%	[19],[20],[21],[35],[38]		10.00%	[19],[20],[21],[35],[38]		10.00%	[17],[18],[24],[29],[30]
PIK Rate		13.77%	[13],[19],[20],[35],[38]		13.77%	[13],[19],[20],[35],[38]		13.92%	[14],[17],[18],[29],[30]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[29],[30]				$ 2,077
Ending balance	[5],[19],[20],[35],[38]	$ 2,333			$ 2,333
Investment, Identifier [Axis]: Interface Security Systems, L.L.C | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.74%	[16],[19],[20],[23],[38]		10.74%	[16],[19],[20],[23],[38]		11.02%	[15],[17],[18],[26],[29]
Spread		7.00%	[16],[19],[20],[21],[23],[38]		7.00%	[16],[19],[20],[21],[23],[38]		7.00%	[15],[17],[18],[24],[26],[29]
PIK Rate		10.74%	[13],[16],[19],[20],[23],[38]		10.74%	[13],[16],[19],[20],[23],[38]		11.02%	[14],[15],[17],[18],[26],[29]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[15],[17],[18],[26],[29]				$ 1
Ending balance	[5],[16],[19],[20],[23],[38]	$ 19			$ 19
Investment, Identifier [Axis]: Invincible Boat Company, LLC. | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.29%	[19],[20],[23]		11.29%	[19],[20],[23]		11.37%	[17],[18],[26]
Spread		7.50%	[19],[20],[21],[23]		7.50%	[19],[20],[21],[23]		7.50%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 1,319
Ending balance	[5],[19],[20],[23]	$ 738			$ 738
Investment, Identifier [Axis]: Invincible Boat Company, LLC. | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.29%	[19],[20],[23],[50]		11.29%	[19],[20],[23],[50]		11.37%	[17],[18],[26],[53]
Spread		7.50%	[19],[20],[21],[23],[50]		7.50%	[19],[20],[21],[23],[50]		7.50%	[17],[18],[24],[26],[53]
PIK Rate		11.29%	[13],[19],[20],[23],[50]		11.29%	[13],[19],[20],[23],[50]		3.37%	[14],[17],[18],[26],[53]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[53]				$ 15,247
Ending balance	[5],[19],[20],[23],[50]	$ 13,285			13,285
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					150		(150)
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,700	[2],[11]	2,850
Gross Additions					150		0
Gross Reductions					0		150
Ending balance		$ 2,850	[5],[9]	$ 2,700	$ 2,850	[5],[9]	$ 2,700
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Preferred Equity
Schedule of Investments [Line Items]
Total Rate				25.00%			25.00%
PIK Rate				25.00%			25.00%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							150
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							760
Gross Additions							150
Gross Reductions							0
Ending balance				$ 910			$ 910
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Preferred Equity 1
Schedule of Investments [Line Items]
Total Rate		25.00%	[9]		25.00%	[9]		25.00%	[11]
PIK Rate		25.00%	[9],[13]		25.00%	[9],[13]		25.00%	[11],[14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11]				$ 1,030
Ending balance	[5],[9]	$ 1,170			$ 1,170
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Preferred Equity 1.1
Schedule of Investments [Line Items]
Total Rate		25.00%			25.00%
PIK Rate		25.00%			25.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					140
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,030
Gross Additions					140
Gross Reductions					0
Ending balance		$ 1,170			$ 1,170
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Preferred Equity 1.2
Schedule of Investments [Line Items]
Total Rate		25.00%			25.00%
PIK Rate		25.00%			25.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					155
Gross Additions					0
Gross Reductions					0
Ending balance		$ 155			$ 155
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Preferred Equity 1.3
Schedule of Investments [Line Items]
Total Rate		25.00%			25.00%
PIK Rate		25.00%			25.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					136
Gross Reductions					0
Ending balance		$ 136			$ 136
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Preferred Equity 2
Schedule of Investments [Line Items]
Total Rate		25.00%	[9]		25.00%	[9]		25.00%	[11]
PIK Rate		25.00%	[9],[13]		25.00%	[9],[13]		25.00%	[11],[14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11]				$ 155
Ending balance	[5],[9]	$ 155			$ 155
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Preferred Equity 3
Schedule of Investments [Line Items]
Total Rate	[9]	25.00%			25.00%
PIK Rate	[9],[13]	25.00%			25.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[9]	$ 136			$ 136
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				13.00%			13.00%	13.00%	[11]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							298
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,500	[2],[11]	4,493
Gross Additions							4
Gross Reductions							0
Ending balance		(16)	[5],[9],[22]	$ 4,497	(16)	[5],[9],[22]	$ 4,497
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Secured Debt 1.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					260
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,500
Gross Additions					0
Gross Reductions					4,500
Ending balance		0			0
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Secured Debt 1.2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					169
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,931
Gross Additions					0
Gross Reductions					2,931
Ending balance		0			0
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Secured Debt 1.3
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					488
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					8,944
Gross Additions					0
Gross Reductions					8,944
Ending balance		0			0
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Secured Debt 1.4
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					1,009
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					17,569
Gross Additions					0
Gross Reductions					17,569
Ending balance		0			0
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Secured Debt 1.5
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					639
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					9,421
Gross Additions					0
Gross Reductions					9,421
Ending balance		$ 0			$ 0
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Secured Debt 1.6
Schedule of Investments [Line Items]
Total Rate		13.00%			13.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					1,136
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					50,990
Gross Reductions					0
Ending balance		$ 50,990			50,990
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Secured Debt 1.7
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					8
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					0
Gross Reductions					16
Ending balance		$ (16)			$ (16)
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%	[9]	13.00%	13.00%	[9]	13.00%	13.00%	[11]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							194
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 2,931	[2],[11]	2,927
Gross Additions							2
Gross Reductions							0
Ending balance		$ 50,990	[5],[9]	$ 2,929	50,990	[5],[9]	$ 2,929
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate				13.00%			13.00%	13.00%	[11]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							585
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					8,944	[2],[11]	8,944
Gross Additions							0
Gross Reductions							0
Ending balance				$ 8,944			$ 8,944
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Secured Debt 4
Schedule of Investments [Line Items]
Total Rate				13.00%			13.00%	13.00%	[11]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							1,165
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					17,569	[2],[11]	17,542
Gross Additions							14
Gross Reductions							0
Ending balance				$ 17,556			$ 17,556
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Secured Debt 5
Schedule of Investments [Line Items]
Total Rate				13.00%			13.00%	13.00%	[11]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							667
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					9,421	[2],[11]	9,638
Gross Additions							38
Gross Reductions							288
Ending balance				$ 9,388			9,388
Investment, Identifier [Axis]: Isagenix International, LLC | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[10],[18]				0
Ending balance	[5],[12],[20]	$ 0			$ 0
Investment, Identifier [Axis]: Isagenix International, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.27%	[12],[16],[20],[23]		12.27%	[12],[16],[20],[23]		2.50%	[10],[18],[26],[54]
Spread	[12],[16],[20],[21],[23]	8.50%			8.50%
PIK Rate	[12],[13],[16],[20],[23]	9.77%			9.77%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[10],[18],[26],[54]				$ 458
Ending balance	[5],[12],[16],[20],[23]	$ 458			$ 458
Investment, Identifier [Axis]: Island Pump and Tank, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.95%	[19],[20],[23]		10.95%	[19],[20],[23]		11.25%	[17],[18],[26]
Spread		7.00%	[19],[20],[21],[23]		7.00%	[19],[20],[21],[23]		7.00%	[17],[18],[24],[26]
PIK Rate	[13],[19],[20],[23]	10.95%			10.95%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 443
Ending balance	[5],[19],[20],[23]	$ 395			$ 395
Investment, Identifier [Axis]: Island Pump and Tank, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.95%	[19],[20],[23]		10.95%	[19],[20],[23]		10.25%	[17],[18],[26]
Spread		7.00%	[19],[20],[21],[23]		7.00%	[19],[20],[21],[23]		6.00%	[17],[18],[24],[26]
PIK Rate	[13],[19],[20],[23]	10.95%			10.95%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 2,048
Ending balance	[5],[19],[20],[23]	$ 1,824			$ 1,824
Investment, Identifier [Axis]: Island Pump and Tank, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.95%	[19],[20],[23]		10.95%	[19],[20],[23]		11.25%	[17],[18],[26]
Spread		7.00%	[19],[20],[21],[23]		7.00%	[19],[20],[21],[23]		7.00%	[17],[18],[24],[26]
PIK Rate	[13],[19],[20],[23]	10.95%			10.95%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 2,048
Ending balance	[5],[19],[20],[23]	$ 1,828			$ 1,828
Investment, Identifier [Axis]: Island Pump and Tank, LLC | Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		10.95%	[19],[20],[23]		10.95%	[19],[20],[23]		12.25%	[17],[18],[26]
Spread		7.00%	[19],[20],[21],[23]		7.00%	[19],[20],[21],[23]		8.00%	[17],[18],[24],[26]
PIK Rate	[13],[19],[20],[23]	10.95%			10.95%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 2,048
Ending balance	[5],[19],[20],[23]	$ 1,832			1,832
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC | Common Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					0
Gross Reductions					0
Ending balance		0			0
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC | Common Equity 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7],[17]				0
Ending balance	[5],[8],[19]	0			0
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC | Common Equity 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7],[17]				0
Ending balance	[5],[8],[19]	$ 0			$ 0
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		8.89%	[8],[16],[19],[23]		8.89%	[8],[16],[19],[23]		9.13%	[7],[17],[26]
Spread		5.00%	[8],[16],[19],[21],[23]		5.00%	[8],[16],[19],[21],[23]		5.00%	[7],[17],[24],[26]
PIK Rate	[8],[13],[16],[19],[23]	8.89%			8.89%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7],[17],[26]				$ 6,316
Ending balance	[5],[8],[16],[19],[23]	$ 6,280			$ 6,280
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC | Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		9.89%			9.89%
Spread		6.00%			6.00%
PIK Rate		9.89%			9.89%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					(28,744)
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					36,429
Gross Additions					0
Gross Reductions					28,744
Ending balance		$ 7,685			$ 7,685
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC | Secured Debt 1.2
Schedule of Investments [Line Items]
Total Rate		15.00%			15.00%
PIK Rate		15.00%			15.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					(939)
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					939
Gross Additions					0
Gross Reductions					939
Ending balance		$ 0			$ 0
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC | Secured Debt 1.3
Schedule of Investments [Line Items]
Total Rate		8.89%			8.89%
Spread		5.00%			5.00%
PIK Rate		8.89%			8.89%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					(249)
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					6,316
Gross Additions					0
Gross Reductions					36
Ending balance		$ 6,280			$ 6,280
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.89%	[8],[16],[19],[23]		9.89%	[8],[16],[19],[23]		10.13%	[7],[17],[26]
Spread		6.00%	[8],[16],[19],[21],[23]		6.00%	[8],[16],[19],[21],[23]		6.00%	[7],[17],[24],[26]
PIK Rate		9.89%	[8],[13],[16],[19],[23]		9.89%	[8],[13],[16],[19],[23]		10.13%	[7],[14],[17],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7],[17],[26]				$ 36,429
Ending balance	[5],[8],[16],[19],[23]	$ 7,685			$ 7,685
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		15.00%	[8],[16],[19]		15.00%	[8],[16],[19]		15.00%	[7],[15],[17]
PIK Rate		15.00%	[8],[13],[16],[19]		15.00%	[8],[13],[16],[19]		15.00%	[7],[14],[15],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7],[15],[17]				$ 939
Ending balance	[5],[8],[16],[19]	$ 0			0
Investment, Identifier [Axis]: Jackmont Hospitality, Inc. | Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				750
Ending balance	[5],[19],[20]	$ 650			$ 650
Investment, Identifier [Axis]: Jackmont Hospitality, Inc. | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.31%	[19],[20],[23],[50]		11.31%	[19],[20],[23],[50]		11.01%	[17],[18],[26],[53]
Spread		7.50%	[19],[20],[21],[23],[50]		7.50%	[19],[20],[21],[23],[50]		7.00%	[17],[18],[24],[26],[53]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[53]				$ 751
Ending balance	[5],[19],[20],[23],[50]	$ 729			$ 729
Investment, Identifier [Axis]: Jackmont Hospitality, Inc. | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.32%	[19],[20],[23],[50]		11.32%	[19],[20],[23],[50]		11.23%	[17],[18],[26],[53]
Spread		7.50%	[19],[20],[21],[23],[50]		7.50%	[19],[20],[21],[23],[50]		7.00%	[17],[18],[24],[26],[53]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[53]				$ 625
Ending balance	[5],[19],[20],[23],[50]	$ 625			$ 625
Investment, Identifier [Axis]: Jackmont Hospitality, Inc. | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.32%	[19],[20],[23],[50]		11.32%	[19],[20],[23],[50]		11.11%	[17],[18],[26],[53]
Spread		7.50%	[19],[20],[21],[23],[50]		7.50%	[19],[20],[21],[23],[50]		7.00%	[17],[18],[24],[26],[53]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[53]				$ 667
Ending balance	[5],[19],[20],[23],[50]	$ 667			$ 667
Investment, Identifier [Axis]: Jackmont Hospitality, Inc. | Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		11.32%	[19],[20],[23]		11.32%	[19],[20],[23]		10.84%	[17],[18],[26]
Spread		7.50%	[19],[20],[21],[23]		7.50%	[19],[20],[21],[23]		7.00%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 1,738
Ending balance	[5],[19],[20],[23]	$ 1,685			1,685
Investment, Identifier [Axis]: Jensen Jewelers of Idaho, LLC | Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					730		(280)
Amount of Interest, Fees or Dividends Credited to Income					606		544
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					11,540	[2],[7],[27]	11,820
Gross Additions					730		0
Gross Reductions					0		280
Ending balance		$ 12,270	[5],[8],[28]	$ 11,540	$ 12,270	[5],[8],[28]	$ 11,540
Investment, Identifier [Axis]: Jensen Jewelers of Idaho, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.75%	[8],[21],[22],[23]	6.75%	6.75%	[8],[21],[22],[23]	6.75%	6.75%	[7],[24],[25],[26]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[7],[25],[26]	0
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 0	[5],[8],[22],[23]	$ 0	$ 0	[5],[8],[22],[23]	$ 0
Investment, Identifier [Axis]: Jensen Jewelers of Idaho, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.50%	[8],[23]	14.25%	13.50%	[8],[23]	14.25%	13.75%	[7],[26]
Spread		6.75%	[8],[21],[23]	6.75%	6.75%	[8],[21],[23]	6.75%	6.75%	[7],[24],[26]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					54		102
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					878	[2],[7],[26]	1,498
Gross Additions					0		0
Gross Reductions					300		320
Ending balance		$ 578	[5],[8],[23]	$ 1,178	578	[5],[8],[23]	1,178
Investment, Identifier [Axis]: Joerns Healthcare, LLC | Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[10],[18]				350
Ending balance	[5],[12],[20]	$ 280			$ 280
Investment, Identifier [Axis]: Joerns Healthcare, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.76%	[12],[20],[23]		11.76%	[12],[20],[23]		11.94%	[10],[18],[26]
Spread		8.00%	[12],[20],[21],[23]		8.00%	[12],[20],[21],[23]		8.00%	[10],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[10],[18],[26]				$ 1,833
Ending balance	[5],[12],[20],[23]	$ 1,833			$ 1,833
Investment, Identifier [Axis]: Joerns Healthcare, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.76%	[12],[20],[23]		11.76%	[12],[20],[23]		11.94%	[10],[18],[26]
Spread		8.00%	[12],[20],[21],[23]		8.00%	[12],[20],[21],[23]		8.00%	[10],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[10],[18],[26]				$ 1,369
Ending balance	[5],[12],[20],[23]	$ 1,369			1,369
Investment, Identifier [Axis]: Johnson Downie Opco, LLC | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							4,220
Amount of Interest, Fees or Dividends Credited to Income							1,397
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							14,550
Gross Additions							4,220
Gross Reductions							0
Ending balance				18,770			18,770
Investment, Identifier [Axis]: Johnson Downie Opco, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							(3)
Amount of Interest, Fees or Dividends Credited to Income							12
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							3
Gross Reductions							3
Ending balance				$ 0			$ 0
Investment, Identifier [Axis]: Johnson Downie Opco, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				15.00%			15.00%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							(25)
Amount of Interest, Fees or Dividends Credited to Income							1,645
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							21,507
Gross Additions							23
Gross Reductions							23
Ending balance				$ 21,507			21,507
Investment, Identifier [Axis]: JorVet Holdings, LLC | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					2,750		300
Amount of Interest, Fees or Dividends Credited to Income					241		539
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					10,990	[2],[7],[27]	13,180
Gross Additions					2,750		300
Gross Reductions					0		0
Ending balance		$ 13,740	[5],[8],[28]	$ 13,480	$ 13,740	[5],[8],[28]	$ 13,480
Investment, Identifier [Axis]: JorVet Holdings, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%	[8]	12.00%	12.00%	[8]	12.00%	12.00%	[7]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					1,430		1,430
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					23,263	[2],[7]	23,216
Gross Additions					23		24
Gross Reductions					0		0
Ending balance		$ 23,286	[5],[8]	$ 23,240	23,286	[5],[8]	23,240
Investment, Identifier [Axis]: KBK Industries, LLC | Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					17,327		0
Amount of Unrealized Gain/(Loss)					(17,396)		0
Amount of Interest, Fees or Dividends Credited to Income					1,603		2,333
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					18,180	[2],[7],[27]	25,180
Gross Additions					17,327		0
Gross Reductions					35,507		0
Ending balance		0		25,180	0		25,180
Investment, Identifier [Axis]: KBK Industries, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7]							9.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7]				7,200
Investment, Identifier [Axis]: KBK Industries, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		(24)
Amount of Interest, Fees or Dividends Credited to Income					0		130
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0		3,700
Gross Additions					0		0
Gross Reductions					0		3,700
Ending balance		0		$ 0	0		$ 0
Investment, Identifier [Axis]: KBK Industries, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				9.50%			9.50%
Amount of Realized Gain/(Loss)					0		$ 0
Amount of Unrealized Gain/(Loss)					(34)		51
Amount of Interest, Fees or Dividends Credited to Income					51		156
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					7,200		0
Gross Additions					34		9,400
Gross Reductions					7,234		700
Ending balance		0		$ 8,700	0		8,700
Investment, Identifier [Axis]: KMS, LLC | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					6,270	[2],[11],[17]	0
Gross Additions					0		4,890
Gross Reductions					0		0
Ending balance		$ 6,270	[5],[9],[19]	$ 4,890	$ 6,270	[5],[9],[19]	$ 4,890
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		9.23%	[9],[19],[23]	14.50%	9.23%	[9],[19],[23]	14.50%
Spread		5.50%	[9],[19],[21],[23]	9.75%	5.50%	[9],[19],[21],[23]	9.75%	5.50%	[11],[17],[24],[25],[26]
Amount of Realized Gain/(Loss)							$ (415)
Amount of Unrealized Gain/(Loss)							339
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ (40)	[2],[11],[17],[25],[26]	0
Gross Additions							0
Gross Reductions							0
Ending balance		$ 543	[5],[9],[19],[23]	$ 0	$ 543	[5],[9],[19],[23]	$ 0
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		12.50%			12.50%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					20
Amount of Interest, Fees or Dividends Credited to Income					81
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,146
Gross Additions					27
Gross Reductions					0
Ending balance		$ 1,173			$ 1,173
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 1.2
Schedule of Investments [Line Items]
Total Rate		12.50%			12.50%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					61
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,007
Gross Additions					0
Gross Reductions					152
Ending balance		$ 855			$ 855
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 1.3
Schedule of Investments [Line Items]
Total Rate		9.23%			9.23%
Spread		5.50%			5.50%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					32
Amount of Interest, Fees or Dividends Credited to Income					42
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					(40)
Gross Additions					1,343
Gross Reductions					760
Ending balance		$ 543			$ 543
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%	[9],[19]	14.50%	12.50%	[9],[19]	14.50%	12.50%	[11],[17]
Spread				9.75%			9.75%
Amount of Realized Gain/(Loss)							$ (3,037)
Amount of Unrealized Gain/(Loss)							2,562
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 1,146	[2],[11],[17]	0
Gross Additions							0
Gross Reductions							0
Ending balance		$ 1,173	[5],[9],[19]	$ 0	$ 1,173	[5],[9],[19]	$ 0
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.50%	[9],[19]		12.50%	[9],[19]		12.50%	[11],[17]
Spread				9.75%			9.75%
PIK Rate				14.23%			14.23%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 1,007	[2],[11],[17]	0
Gross Additions							0
Gross Reductions							0
Ending balance		$ 855	[5],[9],[19]	$ 0	855	[5],[9],[19]	$ 0
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 4
Schedule of Investments [Line Items]
Spread				9.75%			9.75%
PIK Rate				14.23%			14.23%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							0
Gross Reductions							0
Ending balance				$ 0			$ 0
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 5
Schedule of Investments [Line Items]
Total Rate				14.23%			14.23%
Spread				9.75%			9.75%
PIK Rate				14.23%			14.23%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							0
Gross Reductions							0
Ending balance				$ 0			$ 0
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 6
Schedule of Investments [Line Items]
Total Rate				12.50%			12.50%
PIK Rate				12.50%			12.50%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							60
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							1,113
Gross Reductions							0
Ending balance				$ 1,113			$ 1,113
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 7
Schedule of Investments [Line Items]
Total Rate				12.50%			12.50%
PIK Rate				12.50%			12.50%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							56
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							1,180
Gross Reductions							0
Ending balance				$ 1,180			1,180
Investment, Identifier [Axis]: Kennedy Fab HoldCo, LLC | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					212
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					11,490
Gross Reductions					0
Ending balance	[5],[9],[28]	11,490			11,490
Investment, Identifier [Axis]: Kennedy Fab HoldCo, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					33
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					0
Gross Reductions					0
Ending balance		0			0
Investment, Identifier [Axis]: Kennedy Fab HoldCo, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					1,803
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					30,000
Gross Reductions					30,000
Ending balance		0			0
Investment, Identifier [Axis]: Kennedy Fab HoldCo, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					789
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					20,000
Gross Reductions					20,000
Ending balance		0			0
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC | Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					48		59
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,190	[2],[7],[27],[36]	2,710
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		4,190	[5],[8],[28],[37]	2,710	4,190	[5],[8],[28],[37]	2,710
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					2,670		2,040
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					17,180	[2],[7],[27]	12,240
Gross Additions					2,670		2,040
Gross Reductions					0		0
Ending balance		$ 19,850	[5],[8],[28]	$ 14,280	$ 19,850	[5],[8],[28]	$ 14,280
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.50%	[8]	12.00%	11.50%	[8]	12.00%	11.50%	[7]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					615		836
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					10,195	[2],[7]	14,987
Gross Additions					12,202		4
Gross Reductions					10,995		1,600
Ending balance		$ 11,402	[5],[8]	$ 13,391	$ 11,402	[5],[8]	$ 13,391
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.00%	[8]	9.00%	9.00%	[8]	9.00%	9.00%	[7]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					176		178
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					3,878	[2],[7]	3,926
Gross Additions					1		1
Gross Reductions					26		24
Ending balance		$ 3,853	[5],[8]	$ 3,903	3,853	[5],[8]	3,903
Investment, Identifier [Axis]: LBCT Topco LP | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[20]	4,000			4,000
Investment, Identifier [Axis]: LKCM Headwater Investments I, L.P. | LP Interests
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[18],[27],[41],[45],[46]				792
Investment, Identifier [Axis]: LKCM Headwater Investments | LP Interests (LKCM Headwater CV I Minerals, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[20],[43],[47],[48]	618			618
Investment, Identifier [Axis]: LKCM Headwater Investments | LP Interests (LKCM Headwater Investments I, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[20],[43],[47],[48]	$ 265			$ 265
Investment, Identifier [Axis]: LLFlex, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.84%	[19],[20],[23]		11.84%	[19],[20],[23]		12.14%	[17],[18],[26]
Spread		8.00%	[19],[20],[21],[23]		8.00%	[19],[20],[21],[23]		8.00%	[17],[18],[24],[26]
PIK Rate		3.00%	[13],[19],[20],[23]		3.00%	[13],[19],[20],[23]		3.00%	[14],[17],[18],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 3,328
Ending balance	[5],[19],[20],[23]	$ 3,578			3,578
Investment, Identifier [Axis]: Legacy Swim Group | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					186
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7],[27]				14,996
Gross Additions					0
Gross Reductions					0
Ending balance	[5],[8],[28]	$ 14,996			$ 14,996
Investment, Identifier [Axis]: Legacy Swim Group | Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.00%			13.00%			13.00%	[7]
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					2,124
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7]				31,691
Gross Additions					32
Gross Reductions					0
Ending balance		$ 31,723			$ 31,723
Investment, Identifier [Axis]: Legacy Swim Group | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[8]	13.00%			13.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[8]	$ 789			$ 789
Investment, Identifier [Axis]: Legacy Swim Group | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[8]	13.00%			13.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[8]	$ 31,723			$ 31,723
Investment, Identifier [Axis]: Legacy Swim Group | Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		13.00%			13.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					58
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					789
Gross Reductions					0
Ending balance		$ 789			$ 789
Investment, Identifier [Axis]: Logix Acquisition Company, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.67%	[19],[20],[23]		10.67%	[19],[20],[23]		11.41%	[17],[18],[26]
Spread		7.00%	[19],[20],[21],[23]		7.00%	[19],[20],[21],[23]		7.50%	[17],[18],[24],[26]
PIK Rate		1.25%	[13],[19],[20],[23]		1.25%	[13],[19],[20],[23]		2.75%	[14],[17],[18],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 44,135
Ending balance	[5],[19],[20],[23]	$ 44,477			44,477
Investment, Identifier [Axis]: Logix Acquisition Company, LLC | Secured Debt 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				2,204
Ending balance	[5],[19],[20]	2,316			2,316
Investment, Identifier [Axis]: Looking Glass Investments, LLC | Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[18],[41],[46]				25
Ending balance	[5],[20],[43],[48]	25			25
Investment, Identifier [Axis]: MCT Purchaserco Holding Inc. | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[41],[42]				1,139
Ending balance	[5],[19],[20],[43],[44]	$ 1,239			$ 1,239
Investment, Identifier [Axis]: MCT Purchaserco Holding Inc. | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		9.23%	[19],[20],[23],[35],[43],[44]		9.23%	[19],[20],[23],[35],[43],[44]		9.36%	[17],[18],[26],[41],[42]
Spread		5.50%	[19],[20],[21],[23],[35],[43],[44]		5.50%	[19],[20],[21],[23],[35],[43],[44]		5.50%	[17],[18],[24],[26],[41],[42]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[41],[42]				$ 5,985
Ending balance	[5],[19],[20],[23],[35],[43],[44]	$ 10,084			$ 10,084
Investment, Identifier [Axis]: MCT Purchaserco Holding Inc. | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.23%	[19],[20],[23],[43],[44]		9.23%	[19],[20],[23],[43],[44]		9.29%	[17],[18],[26],[41],[42]
Spread		5.50%	[19],[20],[21],[23],[43],[44]		5.50%	[19],[20],[21],[23],[43],[44]		5.50%	[17],[18],[24],[26],[41],[42]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[41],[42]				$ 39,364
Ending balance	[5],[19],[20],[23],[43],[44]	$ 39,557			39,557
Investment, Identifier [Axis]: MS Private Loan Fund I, LP | LP Interests
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(502)		(508)
Amount of Interest, Fees or Dividends Credited to Income					653		878
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					14,697	[2],[7],[27],[41],[45],[46]	14,034
Gross Additions					0		0
Gross Reductions					502		508
Ending balance		$ 14,195	[5],[8],[28],[43],[47],[48]	$ 13,526	$ 14,195	[5],[8],[28],[43],[47],[48]	$ 13,526
Investment, Identifier [Axis]: MS Private Loan Fund I, LP | Secured Debt
Schedule of Investments [Line Items]
Total Rate		6.62%	[8],[23],[43],[48]	5.00%	6.62%	[8],[23],[43],[48]	5.00%	6.88%	[7],[26],[41],[46]
Spread		3.00%	[8],[21],[23],[43],[48]	3.00%	3.00%	[8],[21],[23],[43],[48]	3.00%	3.00%	[7],[24],[26],[41],[46]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					430		200
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					12,000	[2],[7],[26],[41],[46]	1,600
Gross Additions					8,480		10,100
Gross Reductions					4,000		7,700
Ending balance		$ 16,480	[5],[8],[23],[43],[48]	$ 4,000	16,480	[5],[8],[23],[43],[48]	4,000
Investment, Identifier [Axis]: MS Private Loan Fund II, LP | LP Interests
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					439		0
Amount of Interest, Fees or Dividends Credited to Income					935		490
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					11,064	[2],[7],[27],[41],[45],[46]	7,843
Gross Additions					439		1,551
Gross Reductions					0		0
Ending balance		$ 11,503	[5],[8],[28],[43],[47],[48]	$ 9,394	$ 11,503	[5],[8],[28],[43],[47],[48]	$ 9,394
Investment, Identifier [Axis]: MS Private Loan Fund II, LP | Secured Debt
Schedule of Investments [Line Items]
Spread		3.00%	[8],[21],[22],[23],[43],[48]	3.00%	3.00%	[8],[21],[22],[23],[43],[48]	3.00%	3.00%	[7],[24],[25],[26],[41],[46]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					25		37
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					(84)	[2],[7],[25],[26],[41],[46]	(59)
Gross Additions					263		1,612
Gross Reductions					250		1,650
Ending balance		$ (71)	[5],[8],[22],[23],[43],[48]	$ (97)	(71)	[5],[8],[22],[23],[43],[48]	(97)
Investment, Identifier [Axis]: MSC Adviser I, LLC | Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(29,820)		26,600
Amount of Interest, Fees or Dividends Credited to Income					4,952		5,342
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					255,020	[2],[7],[27],[55]	246,000
Gross Additions					0		26,600
Gross Reductions					29,820		0
Ending balance		225,200	[5],[8],[28],[56]	272,600	225,200	[5],[8],[28],[56]	272,600
Investment, Identifier [Axis]: MSC Income Fund, Inc. | Common Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(2,910)		202
Amount of Interest, Fees or Dividends Credited to Income					729		991
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					21,412	[2],[7],[27],[41],[46]	16,810
Gross Additions					4,930		4,747
Gross Reductions					2,910		0
Ending balance		$ 23,432	[5],[8],[28],[43],[48]	21,557	$ 23,432	[5],[8],[28],[43],[48]	21,557
Investment, Identifier [Axis]: MSC Income Fund, Inc. | Secured Debt
Schedule of Investments [Line Items]
Spread	[8],[21],[22],[23],[43],[48]	4.50%			4.50%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					92
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					23,863
Gross Reductions					24,000
Ending balance	[5],[8],[22],[23],[43],[48]	$ (137)			(137)
Investment, Identifier [Axis]: MVI MSO, LLC (Milford Vascular) | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							2,700
Gross Reductions							0
Ending balance				$ 2,700			$ 2,700
Investment, Identifier [Axis]: MVI MSO, LLC (Milford Vascular) | Secured Debt
Schedule of Investments [Line Items]
Total Rate				13.00%			13.00%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							541
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							9,758
Gross Reductions							0
Ending balance				$ 9,758			9,758
Investment, Identifier [Axis]: MVI MSO, LLC | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					(1,340)
Amount of Interest, Fees or Dividends Credited to Income					101
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7],[27]				4,770
Gross Additions					0
Gross Reductions					1,340
Ending balance	[5],[8],[28]	$ 3,430			$ 3,430
Investment, Identifier [Axis]: MVI MSO, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.00%	[8]		13.00%	[8]		13.00%	[7]
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					653
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7]				9,768
Gross Additions					9
Gross Reductions					0
Ending balance	[5],[8]	$ 9,777			9,777
Investment, Identifier [Axis]: Metalforming Holdings, LLC | Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					900		(90)
Amount of Interest, Fees or Dividends Credited to Income					972		748
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					9,770	[2],[7],[27]	6,850
Gross Additions					900		0
Gross Reductions					0		90
Ending balance		$ 10,670	[5],[8],[28]	$ 6,760	$ 10,670	[5],[8],[28]	$ 6,760
Investment, Identifier [Axis]: Metalforming Holdings, LLC | Preferred Equity
Schedule of Investments [Line Items]
Total Rate		8.00%	[8],[28]	8.00%	8.00%	[8],[28]	8.00%	8.00%	[7],[27]
PIK Rate		8.00%	[8],[13],[28]	8.00%	8.00%	[8],[13],[28]	8.00%	8.00%	[7],[14],[27]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		(360)
Amount of Interest, Fees or Dividends Credited to Income					251		604
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					5,916	[2],[7],[27]	6,397
Gross Additions					0		0
Gross Reductions					0		362
Ending balance		$ 5,916	[5],[8],[28]	$ 6,035	5,916	[5],[8],[28]	6,035
Investment, Identifier [Axis]: Metalforming Holdings, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					9		4
Amount of Interest, Fees or Dividends Credited to Income					10		12
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[7],[25],[29]	(11)
Gross Additions					0		11
Gross Reductions					0		0
Ending balance		$ 0	[5],[8],[22]	$ 0	$ 0	[5],[8],[22]	$ 0
Investment, Identifier [Axis]: Metalforming Holdings, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		8.75%	[8]	9.75%	8.75%	[8]	9.75%	8.75%	[7]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(17)		85
Amount of Interest, Fees or Dividends Credited to Income					775		977
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					17,237	[2],[7]	20,844
Gross Additions					17		117
Gross Reductions					17		2,397
Ending balance		$ 17,237	[5],[8]	$ 18,564	$ 17,237	[5],[8]	18,564
Investment, Identifier [Axis]: Microbe Formulas, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Spread		5.50%	[19],[20],[21],[22],[23]		5.50%	[19],[20],[21],[22],[23]		5.50%	[17],[18],[24],[25],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[25],[26]				$ (27)
Ending balance	[5],[19],[20],[22],[23]	$ (21)			$ (21)
Investment, Identifier [Axis]: Microbe Formulas, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.24%	[19],[20],[23]		9.24%	[19],[20],[23]		9.32%	[17],[18],[26]
Spread		5.50%	[19],[20],[21],[23]		5.50%	[19],[20],[21],[23]		5.50%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 11,023
Ending balance	[5],[19],[20],[23]	$ 10,967			$ 10,967
Investment, Identifier [Axis]: Microbe Formulas, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		9.24%	[19],[20],[23]		9.24%	[19],[20],[23]		9.32%	[17],[18],[26]
Spread		5.50%	[19],[20],[21],[23]		5.50%	[19],[20],[21],[23]		5.50%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 13,886
Ending balance	[5],[19],[20],[23]	$ 11,365			11,365
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(783)		(1,516)
Amount of Interest, Fees or Dividends Credited to Income					566		556
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					12,557	[2],[11],[17],[36]	13,840
Gross Additions					566		556
Gross Reductions					783		1,516
Ending balance		$ 12,340	[5],[9],[19],[28],[37]	$ 12,880	$ 12,340	[5],[9],[19],[28],[37]	$ 12,880
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate				9.79%			9.79%
Spread				5.50%			5.50%
PIK Rate				9.79%			9.79%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							114
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							2,763
Gross Reductions							0
Ending balance				$ 2,763			2,763
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		9.16%	[9],[19],[23]		9.16%	[9],[19],[23]		9.81%	[11],[17],[26]
Spread		5.50%	[9],[19],[21],[23]		5.50%	[9],[19],[21],[23]		5.50%	[11],[17],[24],[26]
PIK Rate		9.16%	[9],[13],[19],[23]		9.16%	[9],[13],[19],[23]		9.81%	[11],[14],[17],[26]
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					58
Amount of Interest, Fees or Dividends Credited to Income					142
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11],[17],[26]				2,796
Gross Additions					199
Gross Reductions					0
Ending balance	[5],[9],[19],[23]	$ 2,995			$ 2,995
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.17%	[9],[19],[23],[50]		9.17%	[9],[19],[23],[50]		9.32%	[11],[17],[26],[53]
Spread		5.50%	[9],[19],[21],[23],[50]		5.50%	[9],[19],[21],[23],[50]		5.50%	[11],[17],[24],[26],[53]
PIK Rate		9.17%	[9],[13],[19],[23],[50]		9.17%	[9],[13],[19],[23],[50]		9.32%	[11],[14],[17],[26],[53]
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					34
Amount of Interest, Fees or Dividends Credited to Income					79
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11],[17],[26],[53]				1,664
Gross Additions					115
Gross Reductions					0
Ending balance	[5],[9],[19],[23],[50]	$ 1,779			1,779
Investment, Identifier [Axis]: Mini Melts of America, LLC | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				280
Ending balance	[5],[19],[20]	$ 140			$ 140
Investment, Identifier [Axis]: Mini Melts of America, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		9.92%	[19],[20],[23],[35]		9.92%	[19],[20],[23],[35]		10.06%	[17],[18],[26],[30]
Spread		6.25%	[19],[20],[21],[23],[35]		6.25%	[19],[20],[21],[23],[35]		6.25%	[17],[18],[24],[26],[30]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[30]				$ 1,361
Ending balance	[5],[19],[20],[23],[35]	$ 1,555			$ 1,555
Investment, Identifier [Axis]: Mini Melts of America, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.91%	[19],[20],[23],[50]		9.91%	[19],[20],[23],[50]		10.05%	[17],[18],[26],[53]
Spread		6.25%	[19],[20],[21],[23],[50]		6.25%	[19],[20],[21],[23],[50]		6.25%	[17],[18],[24],[26],[53]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[53]				$ 1,246
Ending balance	[5],[19],[20],[23],[50]	$ 1,168			$ 1,168
Investment, Identifier [Axis]: Mini Melts of America, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		8.92%	[19],[20],[23]		8.92%	[19],[20],[23]		9.07%	[17],[18],[26]
Spread		5.25%	[19],[20],[21],[23]		5.25%	[19],[20],[21],[23]		5.25%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 4,615
Ending balance	[5],[19],[20],[23]	$ 4,120			$ 4,120
Investment, Identifier [Axis]: Mini Melts of America, LLC | Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		10.92%	[19],[20],[23]		10.92%	[19],[20],[23]		11.07%	[17],[18],[26]
Spread		7.25%	[19],[20],[21],[23]		7.25%	[19],[20],[21],[23]		7.25%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 4,597
Ending balance	[5],[19],[20],[23]	$ 4,121			4,121
Investment, Identifier [Axis]: Mission Critical Group | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				15,530
Ending balance	[5],[19],[20]	$ 41,670			$ 41,670
Investment, Identifier [Axis]: Mission Critical Group | Secured Debt 1
Schedule of Investments [Line Items]
Spread		5.25%	[19],[20],[21],[22],[23]		5.25%	[19],[20],[21],[22],[23]		5.50%	[17],[18],[24],[25],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[25],[26]				$ (196)
Ending balance	[5],[19],[20],[22],[23]	$ (81)			$ (81)
Investment, Identifier [Axis]: Mission Critical Group | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[17],[18],[26]							9.33%
Spread		5.25%	[19],[20],[21],[22],[23]		5.25%	[19],[20],[21],[22],[23]		5.50%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 14,698
Ending balance	[5],[19],[20],[22],[23]	$ (234)			$ (234)
Investment, Identifier [Axis]: Mission Critical Group | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		8.93%	[19],[20],[23]		8.93%	[19],[20],[23]		9.23%	[17],[18],[26]
Spread		5.25%	[19],[20],[21],[23]		5.25%	[19],[20],[21],[23]		5.50%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 66,099
Ending balance	[5],[19],[20],[23]	$ 111,846			111,846
Investment, Identifier [Axis]: Moffitt Holdings, LLC | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					10		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					15,560	[2],[7]	0
Gross Additions					0		14,300
Gross Reductions					0		0
Ending balance		$ 15,560	[5],[8]	$ 14,300	$ 15,560	[5],[8]	$ 14,300
Investment, Identifier [Axis]: Moffitt Holdings, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.00%	[8]	13.00%	13.00%	[8]	13.00%	13.00%	[7]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					2,227		1,167
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					33,840	[2],[7]	0
Gross Additions					40		34,673
Gross Reductions					875		0
Ending balance		$ 33,005	[5],[8]	$ 34,673	$ 33,005	[5],[8]	$ 34,673
Investment, Identifier [Axis]: MoneyThumb Acquisition, LLC | Preferred Member Units
Schedule of Investments [Line Items]
Total Rate		12.00%	[9],[28]	12.00%	12.00%	[9],[28]	12.00%	12.00%	[11],[27]
PIK Rate		12.00%	[9],[13],[28]	12.00%	12.00%	[9],[13],[28]	12.00%	12.00%	[11],[14],[27]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					660		0
Amount of Interest, Fees or Dividends Credited to Income					118		105
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,112	[2],[11],[27]	1,707
Gross Additions					778		105
Gross Reductions					0		0
Ending balance		$ 2,890	[5],[9],[28]	$ 1,812	$ 2,890	[5],[9],[28]	$ 1,812
Investment, Identifier [Axis]: MoneyThumb Acquisition, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.00%	[9]	14.00%	13.00%	[9]	14.00%	14.00%	[11]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					680		756
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					7,696	[2],[11]	8,967
Gross Additions					151		87
Gross Reductions					1,776		320
Ending balance		$ 6,071	[5],[9]	$ 8,734	6,071	[5],[9]	8,734
Investment, Identifier [Axis]: MoneyThumb Acquisition, LLC | Warrants
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					280		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					800	[2],[11],[33]	594
Gross Additions					280		0
Gross Reductions					0		0
Ending balance		1,080	[5],[9],[34]	594	1,080	[5],[9],[34]	594
Investment, Identifier [Axis]: MonitorUS Holding, LLC | Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[41],[42]				707
Ending balance	[5],[19],[20],[43],[44]	$ 461			$ 461
Investment, Identifier [Axis]: MonitorUS Holding, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		9.00%	[19],[20],[43],[44]		9.00%	[19],[20],[43],[44]		10.18%	[17],[18],[26],[41],[42]
Spread	[17],[18],[24],[26],[41],[42]							6.25%
PIK Rate	[13],[19],[20],[43],[44]	6.00%			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[41],[42]				$ 4,417
Ending balance	[5],[19],[20],[43],[44]	$ 4,358			$ 4,358
Investment, Identifier [Axis]: MonitorUS Holding, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.00%	[19],[20],[43],[44]		9.00%	[19],[20],[43],[44]		10.18%	[17],[18],[26],[41],[42]
Spread	[17],[18],[24],[26],[41],[42]							6.25%
PIK Rate	[13],[19],[20],[43],[44]	6.00%			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[41],[42]				$ 12,399
Ending balance	[5],[19],[20],[43],[44]	$ 12,173			$ 12,173
Investment, Identifier [Axis]: MonitorUS Holding, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		9.00%	[19],[20],[43],[44]		9.00%	[19],[20],[43],[44]		10.18%	[17],[18],[26],[41],[42]
Spread	[17],[18],[24],[26],[41],[42]							6.25%
PIK Rate	[13],[19],[20],[43],[44]	6.00%			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[41],[42]				$ 17,933
Ending balance	[5],[19],[20],[43],[44]	$ 18,164			$ 18,164
Investment, Identifier [Axis]: MonitorUS Holding, LLC | Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		9.00%	[19],[20],[43],[44]		9.00%	[19],[20],[43],[44]		10.18%	[17],[18],[26],[41],[42]
Spread	[17],[18],[24],[26],[41],[42]							6.25%
PIK Rate	[13],[19],[20],[43],[44]	6.00%			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[41],[42]				$ 1,244
Ending balance	[5],[19],[20],[43],[44]	$ 1,219			1,219
Investment, Identifier [Axis]: MonitorUS Holding, LLC | Unsecured Debt
Schedule of Investments [Line Items]
Total Rate	[17],[18],[41],[42]							8.00%
PIK Rate	[14],[17],[18],[41],[42]							8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[41],[42]				81
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC | Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							410
Amount of Interest, Fees or Dividends Credited to Income							1,972
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							26,370
Gross Additions							410
Gross Reductions							0
Ending balance				26,780			26,780
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							0
Gross Reductions							0
Ending balance				$ 0			$ 0
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				10.00%			10.00%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							(4)
Amount of Interest, Fees or Dividends Credited to Income							292
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							5,746
Gross Additions							4
Gross Reductions							4
Ending balance				$ 5,746			5,746
Investment, Identifier [Axis]: NAPCO Precast, LLC | Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							2,770
Amount of Interest, Fees or Dividends Credited to Income							275
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							9,050
Gross Additions							2,770
Gross Reductions							0
Ending balance				11,820			11,820
Investment, Identifier [Axis]: NAPCO Precast, LLC | Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					(4,220)
Amount of Interest, Fees or Dividends Credited to Income					63
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7],[27]				14,480
Gross Additions					0
Gross Reductions					4,220
Ending balance	[5],[8],[28]	10,260			10,260
Investment, Identifier [Axis]: NAPCO Precast, LLC | Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					52
Amount of Interest, Fees or Dividends Credited to Income					15
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7],[36]				568
Gross Additions					52
Gross Reductions					0
Ending balance	[5],[8],[28],[37]	620			620
Investment, Identifier [Axis]: NRP Jones, LLC | Common Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					928	[2],[7],[36]	0
Gross Additions					0		1,200
Gross Reductions					0		0
Ending balance		928	[5],[8],[37]	1,200	928	[5],[8],[37]	1,200
Investment, Identifier [Axis]: NRP Jones, LLC | Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		(1,601)
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[7]	2,696
Gross Additions					0		0
Gross Reductions					0		1,601
Ending balance		0	[5],[8]	1,095	0	[5],[8]	1,095
Investment, Identifier [Axis]: NRP Jones, LLC | Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		(49)
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[7]	94
Gross Additions					0		0
Gross Reductions					0		49
Ending balance		0	[5],[8]	45	0	[5],[8]	45
Investment, Identifier [Axis]: NRP Jones, LLC | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		756
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[7]	0
Gross Additions					0		1,238
Gross Reductions					0		0
Ending balance		$ 0	[5],[8]	$ 1,238	$ 0	[5],[8]	$ 1,238
Investment, Identifier [Axis]: NRP Jones, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%	[8],[16]	12.00%	12.00%	[8],[16]	12.00%	12.00%	[7],[15]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(105)		0
Amount of Interest, Fees or Dividends Credited to Income					0		137
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					474	[2],[7],[15]	2,178
Gross Additions					0		6
Gross Reductions					105		0
Ending balance		$ 369	[5],[8],[16]	$ 2,184	369	[5],[8],[16]	2,184
Investment, Identifier [Axis]: Nearshore AcquireCo, LLC | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					100
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11]				5,260
Gross Additions					100
Gross Reductions					0
Ending balance	[5],[9]	5,360			5,360
Investment, Identifier [Axis]: Nearshore AcquireCo, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					6
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11],[25]				(24)
Gross Additions					2
Gross Reductions					0
Ending balance	[5],[9],[22]	(22)			(22)
Investment, Identifier [Axis]: Nearshore AcquireCo, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					6
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11],[25]				(61)
Gross Additions					6
Gross Reductions					0
Ending balance	[5],[9],[22]	$ (55)			$ (55)
Investment, Identifier [Axis]: Nearshore AcquireCo, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		13.00%	[9]		13.00%	[9]		13.00%	[11]
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					1,455
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11]				21,688
Gross Additions					22
Gross Reductions					0
Ending balance	[5],[9]	$ 21,710			21,710
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC. | Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							55,647
Amount of Unrealized Gain/(Loss)							(25,053)
Amount of Interest, Fees or Dividends Credited to Income							5,695
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							32,040
Gross Additions							55,647
Gross Reductions							87,687
Ending balance				$ 0			$ 0
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC. | Secured Debt 1
Schedule of Investments [Line Items]
Spread				7.00%			7.00%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							(7)
Amount of Interest, Fees or Dividends Credited to Income							10
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							7
Gross Reductions							7
Ending balance				$ 0			0
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC. | Secured Debt 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							(115)
Amount of Interest, Fees or Dividends Credited to Income							3,143
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							62,200
Gross Additions							115
Gross Reductions							62,315
Ending balance				0			0
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC. | Secured Debt 3
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							(171)
Amount of Interest, Fees or Dividends Credited to Income							193
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							4,650
Gross Additions							2,771
Gross Reductions							7,421
Ending balance				0			0
Investment, Identifier [Axis]: Nello Industries Investco, LLC | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					6,220		2,680
Amount of Interest, Fees or Dividends Credited to Income					410		398
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					23,330	[2],[7],[27]	15,560
Gross Additions					6,220		2,680
Gross Reductions					0		0
Ending balance		$ 29,550	[5],[8],[28]	$ 18,240	$ 29,550	[5],[8],[28]	$ 18,240
Investment, Identifier [Axis]: Nello Industries Investco, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.00%	[8]		13.00%	[8]		12.50%	[7]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7]				$ 32,072
Ending balance	[5],[8]	$ 41,344			41,344
Investment, Identifier [Axis]: Nello Industries Investco, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Spread				6.50%			6.50%
Amount of Realized Gain/(Loss)					0		$ 0
Amount of Unrealized Gain/(Loss)					(205)		0
Amount of Interest, Fees or Dividends Credited to Income					550		16
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					32,072		(16)
Gross Additions					0		16
Gross Reductions					32,072		0
Ending balance		$ 0		$ 0	$ 0		$ 0
Investment, Identifier [Axis]: Nello Industries Investco, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%		13.50%	13.00%		13.50%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					189		0
Amount of Interest, Fees or Dividends Credited to Income					2,250		1,874
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0		26,959
Gross Additions					41,344		27
Gross Reductions					0		0
Ending balance		$ 41,344		$ 26,986	41,344		26,986
Investment, Identifier [Axis]: NexRev LLC | Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					480		480
Amount of Interest, Fees or Dividends Credited to Income					40		433
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					12,870	[2],[7],[27]	11,910
Gross Additions					480		480
Gross Reductions					0		0
Ending balance		13,350	[5],[8]	12,390	13,350	[5],[8]	12,390
Investment, Identifier [Axis]: NexRev LLC | Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							0
Gross Reductions							0
Ending balance				0			0
Investment, Identifier [Axis]: NexRev LLC | Secured Debt 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							(9)
Amount of Interest, Fees or Dividends Credited to Income							151
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							9,811
Gross Additions							9
Gross Reductions							9,820
Ending balance				0			0
Investment, Identifier [Axis]: NuStep, LLC | Preferred Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							650
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					6,110	[2],[7]	11,550
Gross Additions							650
Gross Reductions							0
Ending balance		6,470	[5],[8]	12,200	6,470	[5],[8]	12,200
Investment, Identifier [Axis]: NuStep, LLC | Preferred Member Units 1.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					(2,160)
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					12,200
Gross Additions					0
Gross Reductions					2,160
Ending balance		10,040			10,040
Investment, Identifier [Axis]: NuStep, LLC | Preferred Member Units 1.2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					360
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					6,110
Gross Additions					360
Gross Reductions					0
Ending balance		6,470			6,470
Investment, Identifier [Axis]: NuStep, LLC | Preferred Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					12,200	[2],[7]	6,000
Gross Additions							0
Gross Reductions							0
Ending balance		$ 10,040	[5],[8]	$ 6,000	$ 10,040	[5],[8]	$ 6,000
Investment, Identifier [Axis]: NuStep, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.22%	[8],[23]	10.98%	10.22%	[8],[23]	10.98%	10.48%	[7],[26],[29]
Spread		6.50%	[8],[21],[23]	6.50%	6.50%	[8],[21],[23]	6.50%	6.50%	[7],[24],[26],[29]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							201
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 1,000	[2],[7],[26],[29]	3,600
Gross Additions							0
Gross Reductions							1,200
Ending balance		$ 2,600	[5],[8],[23]	$ 2,400	$ 2,600	[5],[8],[23]	$ 2,400
Investment, Identifier [Axis]: NuStep, LLC | Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		10.22%			10.22%
Spread		6.50%			6.50%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					144
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,000
Gross Additions					1,600
Gross Reductions					0
Ending balance		$ 2,600			$ 2,600
Investment, Identifier [Axis]: NuStep, LLC | Secured Debt 1.2
Schedule of Investments [Line Items]
Total Rate		12.00%			12.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					(495)
Amount of Interest, Fees or Dividends Credited to Income					1,148
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					18,440
Gross Additions					0
Gross Reductions					751
Ending balance		$ 17,689			$ 17,689
Investment, Identifier [Axis]: NuStep, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%	[8]	12.00%	12.00%	[8]	12.00%	12.00%	[7],[29]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							1,114
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 18,440	[2],[7],[29]	18,439
Gross Additions							1
Gross Reductions							0
Ending balance		$ 17,689	[5],[8]	$ 18,440	17,689	[5],[8]	18,440
Investment, Identifier [Axis]: OMi Topco, LLC | Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(600)		4,900
Amount of Interest, Fees or Dividends Credited to Income					6,166		14,093
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					77,900	[2],[7],[27]	72,720
Gross Additions					0		4,900
Gross Reductions					600		0
Ending balance		$ 77,300	[5],[8],[28]	77,620	$ 77,300	[5],[8],[28]	77,620
Investment, Identifier [Axis]: OMi Topco, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%	[8]		12.00%	[8]		12.00%	[7]
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					(6)
Amount of Interest, Fees or Dividends Credited to Income					1,755
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7]				29,000
Gross Additions					6
Gross Reductions					6
Ending balance	[5],[8]	$ 29,000			$ 29,000
Investment, Identifier [Axis]: OMi Topco, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							(30)
Amount of Interest, Fees or Dividends Credited to Income							207
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							9,000
Gross Additions							0
Gross Reductions							9,000
Ending balance				0			0
Investment, Identifier [Axis]: OMi Topco, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							434
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							0
Gross Reductions							0
Ending balance				$ 0			$ 0
Investment, Identifier [Axis]: OMi Topco, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate				12.00%			12.00%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							44
Amount of Interest, Fees or Dividends Credited to Income							146
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							19,000
Gross Reductions							0
Ending balance				$ 19,000			19,000
Investment, Identifier [Axis]: Obra Capital, Inc. | Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.50%	[19],[20],[21],[22],[23]		7.50%	[19],[20],[21],[22],[23]		7.25%	[17],[18],[24],[25],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[25],[26]				$ (3)
Ending balance	[5],[19],[20],[22],[23]	$ (4)			$ (4)
Investment, Identifier [Axis]: Obra Capital, Inc. | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.25%	[19],[20],[23]		11.25%	[19],[20],[23]		11.09%	[17],[18],[26]
Spread		7.50%	[19],[20],[21],[23]		7.50%	[19],[20],[21],[23]		7.25%	[17],[18],[24],[26]
PIK Rate	[13],[19],[20],[23]	0.50%			0.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 26,089
Ending balance	[5],[19],[20],[23]	$ 25,978			$ 25,978
Investment, Identifier [Axis]: Obra Capital, Inc. | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.25%	[19],[20],[23]		11.25%	[19],[20],[23]		11.09%	[17],[18],[26]
Spread		7.50%	[19],[20],[21],[23]		7.50%	[19],[20],[21],[23]		7.25%	[17],[18],[24],[26]
PIK Rate	[13],[19],[20],[23]	0.50%			0.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 3,155
Ending balance	[5],[19],[20],[23]	$ 3,142			3,142
Investment, Identifier [Axis]: OnAsset Intelligence, Inc. | Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[11]	0
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 0	[5],[9]	$ 0	$ 0	[5],[9]	$ 0
Investment, Identifier [Axis]: OnAsset Intelligence, Inc. | Preferred Stock
Schedule of Investments [Line Items]
Total Rate		7.00%	[9]	7.00%	7.00%	[9]	7.00%	7.00%	[11]
PIK Rate		7.00%	[9],[13]	7.00%	7.00%	[9],[13]	7.00%	7.00%	[11],[14]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[11]	0
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 0	[5],[9]	$ 0	$ 0	[5],[9]	$ 0
Investment, Identifier [Axis]: OnAsset Intelligence, Inc. | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%	[9],[16]	12.00%	12.00%	[9],[16]	12.00%	12.00%	[11],[15]
PIK Rate		12.00%	[9],[13],[16]	12.00%	12.00%	[9],[13],[16]	12.00%	12.00%	[11],[14],[15]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 645	[2],[11],[15]	99
Gross Additions							0
Gross Reductions							0
Ending balance		$ 1,346	[5],[9],[16]	$ 99	$ 1,346	[5],[9],[16]	$ 99
Investment, Identifier [Axis]: OnAsset Intelligence, Inc. | Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		12.00%			12.00%
PIK Rate		12.00%			12.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					153
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					141
Gross Additions					153
Gross Reductions					0
Ending balance		$ 294			$ 294
Investment, Identifier [Axis]: OnAsset Intelligence, Inc. | Secured Debt 1.2
Schedule of Investments [Line Items]
Total Rate		12.00%			12.00%
PIK Rate		12.00%			12.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					156
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					144
Gross Additions					156
Gross Reductions					0
Ending balance		$ 300			$ 300
Investment, Identifier [Axis]: OnAsset Intelligence, Inc. | Secured Debt 1.3
Schedule of Investments [Line Items]
Total Rate		12.00%			12.00%
PIK Rate		12.00%			12.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					336
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					309
Gross Additions					336
Gross Reductions					0
Ending balance		$ 645			$ 645
Investment, Identifier [Axis]: OnAsset Intelligence, Inc. | Secured Debt 1.4
Schedule of Investments [Line Items]
Total Rate		12.00%			12.00%
PIK Rate		12.00%			12.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					701
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					645
Gross Additions					701
Gross Reductions					0
Ending balance		$ 1,346			$ 1,346
Investment, Identifier [Axis]: OnAsset Intelligence, Inc. | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%	[9],[16]	12.00%	12.00%	[9],[16]	12.00%	12.00%	[11],[15]
PIK Rate		12.00%	[9],[13],[16]	12.00%	12.00%	[9],[13],[16]	12.00%	12.00%	[11],[14],[15]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 309	[2],[11],[15]	101
Gross Additions							0
Gross Reductions							0
Ending balance		$ 645	[5],[9],[16]	$ 101	$ 645	[5],[9],[16]	$ 101
Investment, Identifier [Axis]: OnAsset Intelligence, Inc. | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.00%	[9],[16]	12.00%	12.00%	[9],[16]	12.00%	12.00%	[11],[15]
PIK Rate		12.00%	[9],[13],[16]	12.00%	12.00%	[9],[13],[16]	12.00%	12.00%	[11],[14],[15]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 144	[2],[11],[15]	218
Gross Additions							0
Gross Reductions							0
Ending balance		$ 300	[5],[9],[16]	$ 218	$ 300	[5],[9],[16]	$ 218
Investment, Identifier [Axis]: OnAsset Intelligence, Inc. | Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		12.00%	[9],[16]	12.00%	12.00%	[9],[16]	12.00%	12.00%	[11],[15]
PIK Rate		12.00%	[9],[13],[16]	12.00%	12.00%	[9],[13],[16]	12.00%	12.00%	[11],[14],[15]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 141	[2],[11],[15]	457
Gross Additions							1
Gross Reductions							2
Ending balance		$ 294	[5],[9],[16]	$ 456	$ 294	[5],[9],[16]	$ 456
Investment, Identifier [Axis]: OnAsset Intelligence, Inc. | Unsecured Debt
Schedule of Investments [Line Items]
Total Rate		10.00%	[9],[16]	10.00%	10.00%	[9],[16]	10.00%	10.00%	[11],[15]
PIK Rate		10.00%	[9],[13],[16]	10.00%	10.00%	[9],[13],[16]	10.00%	10.00%	[11],[14],[15]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[11],[15]	305
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 0	[5],[9],[16]	$ 305	0	[5],[9],[16]	305
Investment, Identifier [Axis]: OnAsset Intelligence, Inc. | Warrants
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[11],[33]	0
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 0	[5],[9],[34]	0	$ 0	[5],[9],[34]	0
Investment, Identifier [Axis]: OnPoint Industrial Services, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		9.73%	[19],[20],[23]		9.73%	[19],[20],[23]		9.42%	[17],[18],[26]
Spread		6.00%	[19],[20],[21],[23]		6.00%	[19],[20],[21],[23]		5.75%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 1,386
Ending balance	[5],[19],[20],[23]	$ 1,348			$ 1,348
Investment, Identifier [Axis]: OnPoint Industrial Services, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.73%	[19],[20],[23]		9.73%	[19],[20],[23]		9.42%	[17],[18],[26]
Spread		6.00%	[19],[20],[21],[23]		6.00%	[19],[20],[21],[23]		5.75%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 3,851
Ending balance	[5],[19],[20],[23]	$ 3,746			3,746
Investment, Identifier [Axis]: Oneliance, LLC | Preferred Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		510
Amount of Interest, Fees or Dividends Credited to Income					97		52
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					3,270	[2],[11],[27]	2,580
Gross Additions					0		510
Gross Reductions					0		0
Ending balance		3,270	[5],[9],[28]	3,090	3,270	[5],[9],[28]	3,090
Investment, Identifier [Axis]: Orttech Holdings, LLC | Preferred Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(3,110)		0
Amount of Interest, Fees or Dividends Credited to Income					120		120
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					13,450	[2],[7],[36]	13,450
Gross Additions					0		0
Gross Reductions					3,110		0
Ending balance		$ 10,340	[5],[8],[37]	$ 13,450	$ 10,340	[5],[8],[37]	$ 13,450
Investment, Identifier [Axis]: Orttech Holdings, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[7],[26]							14.98%
Spread		11.00%	[8],[21],[22],[23]	11.00%	11.00%	[8],[21],[22],[23]	11.00%	11.00%	[7],[24],[26]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					16		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					612	[2],[7],[26]	0
Gross Additions					0		0
Gross Reductions					612		0
Ending balance		$ 0	[5],[8],[22],[23]	$ 0	$ 0	[5],[8],[22],[23]	$ 0
Investment, Identifier [Axis]: Orttech Holdings, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.72%	[8],[23]	15.48%	14.72%	[8],[23]	15.48%	14.98%	[7],[26]
Spread		11.00%	[8],[21],[23]	11.00%	11.00%	[8],[21],[23]	11.00%	11.00%	[7],[24],[26]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(21)		(24)
Amount of Interest, Fees or Dividends Credited to Income					1,564		1,700
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					20,760	[2],[7],[26]	21,960
Gross Additions					21		24
Gross Reductions					21		824
Ending balance		$ 20,760	[5],[8],[23]	$ 21,160	20,760	[5],[8],[23]	21,160
Investment, Identifier [Axis]: Ospemifene Royalty Sub LLC | Secured Debt
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[15],[17],[18]				19
Ending balance	[5],[16],[19],[20],[49]	15			15
Investment, Identifier [Axis]: PPL RVs, Inc. | Common Stock 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(1,270)		1,140
Amount of Interest, Fees or Dividends Credited to Income					0		261
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					17,330	[2],[7],[27]	17,110
Gross Additions					0		1,140
Gross Reductions					1,270		0
Ending balance		16,060	[5],[8],[28]	18,250	16,060	[5],[8],[28]	18,250
Investment, Identifier [Axis]: PPL RVs, Inc. | Common Stock 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					103		61
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					575	[2],[7],[27],[36]	514
Gross Additions					103		61
Gross Reductions					0		0
Ending balance		$ 678	[5],[8],[28],[37]	$ 575	$ 678	[5],[8],[28],[37]	$ 575
Investment, Identifier [Axis]: PPL RVs, Inc. | Secured Debt 1
Schedule of Investments [Line Items]
Spread		8.75%	[8],[21],[22],[23]	7.00%	8.75%	[8],[21],[22],[23]	7.00%	8.75%	[7],[24],[25],[26]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(1)		(1)
Amount of Interest, Fees or Dividends Credited to Income					1		1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[7],[25],[26]	0
Gross Additions					1		1
Gross Reductions					1		1
Ending balance		$ 0	[5],[8],[22],[23]	$ 0	$ 0	[5],[8],[22],[23]	$ 0
Investment, Identifier [Axis]: PPL RVs, Inc. | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.54%	[8],[23]	11.48%	12.54%	[8],[23]	11.48%	13.04%	[7],[26]
Spread		8.75%	[8],[21],[23]	7.00%	8.75%	[8],[21],[23]	7.00%	8.75%	[7],[24],[26]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(18)		(26)
Amount of Interest, Fees or Dividends Credited to Income					980		946
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					15,191	[2],[7],[26]	16,456
Gross Additions					18		26
Gross Reductions					18		1,154
Ending balance		$ 15,191	[5],[8],[23]	$ 15,328	$ 15,191	[5],[8],[23]	15,328
Investment, Identifier [Axis]: PavCon LLC | Secured Debt 1
Schedule of Investments [Line Items]
Spread	[19],[20],[21],[22],[23]	5.50%			5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[19],[20],[22],[23]	$ (28)			$ (28)
Investment, Identifier [Axis]: PavCon LLC | Secured Debt 2
Schedule of Investments [Line Items]
Spread	[19],[20],[21],[22],[23]	5.50%			5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[19],[20],[22],[23]	$ (28)			$ (28)
Investment, Identifier [Axis]: PavCon LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[19],[20],[23]	9.49%			9.49%
Spread	[19],[20],[21],[23]	5.50%			5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[19],[20],[23]	$ 10,715			$ 10,715
Investment, Identifier [Axis]: Peaches Holding Corporation | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[18]				0
Ending balance	[5],[20]	0			0
Investment, Identifier [Axis]: Pinnacle TopCo, LLC | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		1,170
Amount of Interest, Fees or Dividends Credited to Income					392		1,019
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					20,440	[2],[7],[27]	18,360
Gross Additions					0		1,170
Gross Reductions					0		0
Ending balance		20,440	[5],[8],[28]	19,530	20,440	[5],[8],[28]	19,530
Investment, Identifier [Axis]: Pinnacle TopCo, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(2)		(2)
Amount of Interest, Fees or Dividends Credited to Income					6		6
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[7],[25]	0
Gross Additions					2		2
Gross Reductions					2		2
Ending balance		$ 0	[5],[8],[22]	$ 0	$ 0	[5],[8],[22]	$ 0
Investment, Identifier [Axis]: Pinnacle TopCo, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%	[8]	13.00%	13.00%	[8]	13.00%	13.00%	[7]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(33)		(34)
Amount of Interest, Fees or Dividends Credited to Income					1,760		1,888
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					27,200	[2],[7]	28,640
Gross Additions					33		34
Gross Reductions					1,153		834
Ending balance		$ 26,080	[5],[8]	$ 27,840	$ 26,080	[5],[8]	27,840
Investment, Identifier [Axis]: PrimeFlight Aviation Services | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		9.16%	[19],[20],[23],[43]		9.16%	[19],[20],[23],[43]		9.35%	[17],[18],[26],[41]
Spread		5.50%	[19],[20],[21],[23],[43]		5.50%	[19],[20],[21],[23],[43]		5.50%	[17],[18],[24],[26],[41]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[41]				$ 7,800
Ending balance	[5],[19],[20],[23],[43]	$ 7,760			$ 7,760
Investment, Identifier [Axis]: PrimeFlight Aviation Services | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.23%	[19],[20],[23],[43]		9.23%	[19],[20],[23],[43]		9.17%	[17],[18],[26],[41]
Spread		5.50%	[19],[20],[21],[23],[43]		5.50%	[19],[20],[21],[23],[43]		5.50%	[17],[18],[24],[26],[41]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[41]				$ 745
Ending balance	[5],[19],[20],[23],[43]	$ 741			$ 741
Investment, Identifier [Axis]: PrimeFlight Aviation Services | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		9.23%	[19],[20],[23],[43]		9.23%	[19],[20],[23],[43]		9.17%	[17],[18],[26],[41]
Spread		5.50%	[19],[20],[21],[23],[43]		5.50%	[19],[20],[21],[23],[43]		5.50%	[17],[18],[24],[26],[41]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[41]				$ 749
Ending balance	[5],[19],[20],[23],[43]	$ 745			$ 745
Investment, Identifier [Axis]: PrimeFlight Aviation Services | Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		8.98%	[19],[20],[23],[43]		8.98%	[19],[20],[23],[43]		8.92%	[17],[18],[26],[41]
Spread		5.25%	[19],[20],[21],[23],[43]		5.25%	[19],[20],[21],[23],[43]		5.25%	[17],[18],[24],[26],[41]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[41]				$ 851
Ending balance	[5],[19],[20],[23],[43]	$ 846			$ 846
Investment, Identifier [Axis]: PrimeFlight Aviation Services | Secured Debt 5
Schedule of Investments [Line Items]
Total Rate		8.92%	[19],[20],[23],[43]		8.92%	[19],[20],[23],[43]		9.12%	[17],[18],[26],[41]
Spread		5.25%	[19],[20],[21],[23],[43]		5.25%	[19],[20],[21],[23],[43]		5.25%	[17],[18],[24],[26],[41]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[41]				$ 1,886
Ending balance	[5],[19],[20],[23],[43]	$ 1,876			$ 1,876
Investment, Identifier [Axis]: PrimeFlight Aviation Services | Secured Debt 6
Schedule of Investments [Line Items]
Total Rate		8.91%	[19],[20],[23],[43]		8.91%	[19],[20],[23],[43]		9.09%	[17],[18],[26],[41]
Spread		5.25%	[19],[20],[21],[23],[43]		5.25%	[19],[20],[21],[23],[43]		5.25%	[17],[18],[24],[26],[41]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[41]				$ 2,021
Ending balance	[5],[19],[20],[23],[43]	$ 2,011			$ 2,011
Investment, Identifier [Axis]: PrimeFlight Aviation Services | Secured Debt 7
Schedule of Investments [Line Items]
Total Rate		8.39%	[19],[20],[23],[43]		8.39%	[19],[20],[23],[43]		8.63%	[17],[18],[26],[41]
Spread		4.75%	[19],[20],[21],[23],[43]		4.75%	[19],[20],[21],[23],[43]		4.75%	[17],[18],[24],[26],[41]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[41]				$ 2,108
Ending balance	[5],[19],[20],[23],[43]	$ 2,117			$ 2,117
Investment, Identifier [Axis]: PrimeFlight Aviation Services | Secured Debt 8
Schedule of Investments [Line Items]
Total Rate	[19],[20],[23],[43]	8.41%			8.41%
Spread	[19],[20],[21],[23],[43]	4.75%			4.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[19],[20],[23],[43]	$ 11,544			$ 11,544
Investment, Identifier [Axis]: Principle Environmental, LLC | Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		60
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					750	[2],[7]	600
Gross Additions					0		60
Gross Reductions					0		0
Ending balance		750	[5],[8]	660	750	[5],[8]	660
Investment, Identifier [Axis]: Principle Environmental, LLC | Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		1,190
Amount of Interest, Fees or Dividends Credited to Income					2,086		654
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					15,740	[2],[7],[27]	12,600
Gross Additions					0		1,190
Gross Reductions					0		0
Ending balance		$ 15,740	[5],[8],[28]	$ 13,790	$ 15,740	[5],[8],[28]	$ 13,790
Investment, Identifier [Axis]: Principle Environmental, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.00%	[8]	13.00%	13.00%	[8]	13.00%	13.00%	[7]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(10)		0
Amount of Interest, Fees or Dividends Credited to Income					330		330
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,897	[2],[7]	4,861
Gross Additions					10		9
Gross Reductions					10		0
Ending balance		$ 4,897	[5],[8]	$ 4,870	4,897	[5],[8]	4,870
Investment, Identifier [Axis]: Pro-Max Restoration & Paint, LLC | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[19],[20]	$ 1,202			$ 1,202
Investment, Identifier [Axis]: Pro-Max Restoration & Paint, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Spread	[19],[20],[21],[22],[23]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[19],[20],[22],[23]	$ (34)			$ (34)
Investment, Identifier [Axis]: Pro-Max Restoration & Paint, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[19],[20],[23]	9.42%			9.42%
Spread	[19],[20],[21],[23]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[19],[20],[23]	$ 20,192			$ 20,192
Investment, Identifier [Axis]: Quality Lease Service, LLC | Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					54		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					460	[2],[7]	460
Gross Additions					54		0
Gross Reductions					37		0
Ending balance		477	[5],[8]	460	477	[5],[8]	460
Investment, Identifier [Axis]: RA Outdoors (Aspira) LLC | Common Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							0
Gross Reductions							0
Ending balance				$ 0			$ 0
Investment, Identifier [Axis]: RA Outdoors (Aspira) LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				11.25%			11.25%
Spread				6.75%			6.75%
PIK Rate				11.25%			11.25%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							(148)
Amount of Interest, Fees or Dividends Credited to Income							80
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							1,257
Gross Additions							42
Gross Reductions							150
Ending balance				$ 1,149			$ 1,149
Investment, Identifier [Axis]: RA Outdoors (Aspira) LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				11.25%			11.25%
Spread				6.75%			6.75%
PIK Rate				11.25%			11.25%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							(1,553)
Amount of Interest, Fees or Dividends Credited to Income							824
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							13,155
Gross Additions							425
Gross Reductions							1,569
Ending balance				$ 12,011			12,011
Investment, Identifier [Axis]: RA Outdoors LLC | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11],[17]				0
Ending balance	[5],[9],[19]	$ 0			$ 0
Investment, Identifier [Axis]: RA Outdoors LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.58%	[9],[19],[23]		10.58%	[9],[19],[23]		10.89%	[11],[17],[26]
Spread		6.75%	[9],[19],[21],[23]		6.75%	[9],[19],[21],[23]		6.75%	[11],[17],[24],[26]
PIK Rate		10.58%	[9],[13],[19],[23]		10.58%	[9],[13],[19],[23]		10.89%	[11],[14],[17],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11],[17],[26]				$ 1,182
Ending balance	[5],[9],[19],[23]	$ 1,258			$ 1,258
Investment, Identifier [Axis]: RA Outdoors LLC | Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		10.58%			10.58%
Spread		6.75%			6.75%
PIK Rate		10.58%			10.58%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					77
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,182
Gross Additions					76
Gross Reductions					0
Ending balance		$ 1,258			$ 1,258
Investment, Identifier [Axis]: RA Outdoors LLC | Secured Debt 1.2
Schedule of Investments [Line Items]
Total Rate		10.58%			10.58%
Spread		6.75%			6.75%
PIK Rate		10.58%			10.58%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					(2)
Amount of Interest, Fees or Dividends Credited to Income					806
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					12,355
Gross Additions					807
Gross Reductions					2
Ending balance		$ 13,160			$ 13,160
Investment, Identifier [Axis]: RA Outdoors LLC | Secured Debt 1.3
Schedule of Investments [Line Items]
Total Rate		10.58%			10.58%
Spread		6.75%			6.75%
PIK Rate		10.58%			10.58%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					(80)
Amount of Interest, Fees or Dividends Credited to Income					14
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					479
Gross Reductions					80
Ending balance		$ 399			$ 399
Investment, Identifier [Axis]: RA Outdoors LLC | Secured Debt 1.4
Schedule of Investments [Line Items]
Total Rate		10.58%			10.58%
Spread		6.75%			6.75%
PIK Rate		10.58%			10.58%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					(78)
Amount of Interest, Fees or Dividends Credited to Income					14
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					467
Gross Reductions					78
Ending balance		$ 389			$ 389
Investment, Identifier [Axis]: RA Outdoors LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[9],[19],[23]	10.58%			10.58%
Spread		6.75%	[9],[19],[21],[23]		6.75%	[9],[19],[21],[23]		6.75%	[11],[17],[24],[25],[26]
PIK Rate	[9],[13],[19],[23]	10.58%			10.58%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11],[17],[25],[26]				$ 0
Ending balance	[5],[9],[19],[23]	$ 399			$ 399
Investment, Identifier [Axis]: RA Outdoors LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.58%	[9],[19],[23]		10.58%	[9],[19],[23]		10.89%	[11],[17],[26]
Spread		6.75%	[9],[19],[21],[23]		6.75%	[9],[19],[21],[23]		6.75%	[11],[17],[24],[26]
PIK Rate		10.58%	[9],[13],[19],[23]		10.58%	[9],[13],[19],[23]		10.89%	[11],[14],[17],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11],[17],[26]				$ 12,355
Ending balance	[5],[9],[19],[23]	$ 389			$ 389
Investment, Identifier [Axis]: RA Outdoors LLC | Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[9],[19],[23]	10.58%			10.58%
Spread		6.75%	[9],[19],[21],[23]		6.75%	[9],[19],[21],[23]		6.75%	[11],[17],[24],[25],[26]
PIK Rate	[9],[13],[19],[23]	10.58%			10.58%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11],[17],[25],[26]				$ 0
Ending balance	[5],[9],[19],[23]	$ 13,160			13,160
Investment, Identifier [Axis]: RFG AcquireCo, LLC | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					12,771	[2],[11]	0
Gross Additions					0		11,401
Gross Reductions					0		0
Ending balance		12,771	[5],[9]	11,401	12,771	[5],[9]	11,401
Investment, Identifier [Axis]: RFG AcquireCo, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					(7)	[2],[11],[25]	0
Gross Additions							0
Gross Reductions							10
Ending balance		(5)	[5],[9],[22]	(10)	(5)	[5],[9],[22]	(10)
Investment, Identifier [Axis]: RFG AcquireCo, LLC | Secured Debt 1.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					5
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					(7)
Gross Additions					2
Gross Reductions					0
Ending balance		$ (5)			$ (5)
Investment, Identifier [Axis]: RFG AcquireCo, LLC | Secured Debt 1.2
Schedule of Investments [Line Items]
Total Rate		13.50%			13.50%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					762
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					7,932
Gross Additions					3,978
Gross Reductions					0
Ending balance		$ 11,910			11,910
Investment, Identifier [Axis]: RFG AcquireCo, LLC | Secured Debt 1.3
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					300
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					33,700
Gross Additions					0
Gross Reductions					33,700
Ending balance		$ 0			$ 0
Investment, Identifier [Axis]: RFG AcquireCo, LLC | Secured Debt 1.4
Schedule of Investments [Line Items]
Total Rate		13.50%			13.50%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					2,927
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					41,404
Gross Reductions					0
Ending balance		$ 41,404			$ 41,404
Investment, Identifier [Axis]: RFG AcquireCo, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.50%	[9]		13.50%	[9]		12.50%	[11]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 7,932	[2],[11]	0
Gross Additions							0
Gross Reductions							0
Ending balance		$ 11,910	[5],[9]	$ 0	$ 11,910	[5],[9]	$ 0
Investment, Identifier [Axis]: RFG AcquireCo, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		13.50%	[9]	12.50%	13.50%	[9]	12.50%	12.50%	[11]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							1,040
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 33,700	[2],[11]	0
Gross Additions							33,666
Gross Reductions							0
Ending balance		$ 41,404	[5],[9]	$ 33,666	41,404	[5],[9]	33,666
Investment, Identifier [Axis]: Revenue Recovery Holdings, LLC | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					911
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11]				1,049
Gross Additions					911
Gross Reductions					0
Ending balance	[5],[9]	1,960			1,960
Investment, Identifier [Axis]: Revenue Recovery Holdings, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					6
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11],[25]				(18)
Gross Additions					2
Gross Reductions					0
Ending balance	[5],[9],[22]	$ (16)			$ (16)
Investment, Identifier [Axis]: Revenue Recovery Holdings, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%	[9]		13.00%	[9]		13.00%	[11]
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					444
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11]				6,640
Gross Additions					6
Gross Reductions					0
Ending balance	[5],[9]	$ 6,646			$ 6,646
Investment, Identifier [Axis]: Richardson Sales Solutions | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[17],[18],[26]							8.86%
Spread		5.00%	[19],[20],[21],[22],[23]		5.00%	[19],[20],[21],[22],[23]		5.00%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 1,353
Ending balance	[5],[19],[20],[22],[23]	$ 0			$ 0
Investment, Identifier [Axis]: Richardson Sales Solutions | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		8.67%	[19],[20],[23]		8.67%	[19],[20],[23]		8.86%	[17],[18],[26]
Spread		5.00%	[19],[20],[21],[23]		5.00%	[19],[20],[21],[23]		5.00%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 33,168
Ending balance	[5],[19],[20],[23]	$ 31,806			$ 31,806
Investment, Identifier [Axis]: Richardson Sales Solutions | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		8.67%	[19],[20],[23]		8.67%	[19],[20],[23]		8.93%	[17],[18],[26]
Spread		5.00%	[19],[20],[21],[23]		5.00%	[19],[20],[21],[23]		5.00%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 21,545
Ending balance	[5],[19],[20],[23]	$ 20,664			20,664
Investment, Identifier [Axis]: River Aggregates, LLC | Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					(75)		0
Amount of Unrealized Gain/(Loss)					80		60
Amount of Interest, Fees or Dividends Credited to Income					25		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					9,700	[2],[7],[36]	9,530
Gross Additions					80		60
Gross Reductions					0		0
Ending balance		9,780	[5],[8],[28],[37]	9,590	9,780	[5],[8],[28],[37]	9,590
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc. | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[7]	0
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		0	[5],[8]	$ 0	0	[5],[8]	$ 0
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc. | Secured Debt 1
Schedule of Investments [Line Items]
PIK Rate				10.00%			10.00%
Amount of Realized Gain/(Loss)					0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					96		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					(62)	[2],[7],[15],[25]	(39)
Gross Additions					0		0
Gross Reductions					11		12
Ending balance		$ (73)	[5],[8],[16],[22]	$ (51)	$ (73)	[5],[8],[16],[22]	$ (51)
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc. | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%	[8],[16]	12.50%	12.50%	[8],[16]	12.50%	12.50%	[7],[15]
PIK Rate		10.00%	[8],[13],[16]	10.00%	10.00%	[8],[13],[16]	10.00%	10.00%	[7],[14],[15]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					238		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					14,029	[2],[7],[15]	14,562
Gross Additions					0		0
Gross Reductions					188		427
Ending balance		$ 13,841	[5],[8],[16]	$ 14,135	13,841	[5],[8],[16]	14,135
Investment, Identifier [Axis]: Roof Opco, LLC | Secured Debt 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[25]				0
Ending balance	[5],[19],[20],[22]	$ 0			$ 0
Investment, Identifier [Axis]: Roof Opco, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%	[19],[20]		10.00%	[19],[20]		10.00%	[17],[18]
PIK Rate		10.00%	[13],[19],[20]		10.00%	[13],[19],[20]		10.00%	[14],[17],[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				$ 2,444
Ending balance	[5],[19],[20]	$ 2,836			$ 2,836
Investment, Identifier [Axis]: Roof Opco, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.00%	[19],[20]		10.00%	[19],[20]		10.00%	[17],[18]
PIK Rate		10.00%	[13],[19],[20]		10.00%	[13],[19],[20]		10.00%	[14],[17],[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				$ 2,375
Ending balance	[5],[19],[20]	$ 2,751			2,751
Investment, Identifier [Axis]: Royal Cup Inc. | Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				3,807
Ending balance	[5],[19],[20]	$ 5,992			5,992
Investment, Identifier [Axis]: Royal Cup Inc. | Secured Debt 1
Schedule of Investments [Line Items]
Spread	[17],[18],[24],[25],[26]							5.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[25],[26]				(221)
Investment, Identifier [Axis]: Royal Cup Inc. | Secured Debt 2
Schedule of Investments [Line Items]
Spread	[17],[18],[24],[25],[26]							5.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[25],[26]				(83)
Investment, Identifier [Axis]: Royal Cup Inc. | Secured Debt 3
Schedule of Investments [Line Items]
Spread	[17],[18],[24],[25],[26]							5.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[25],[26]				(359)
Investment, Identifier [Axis]: Royal Cup Inc. | Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[17],[18],[26]							8.98%
Spread	[17],[18],[24],[26]							5.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 52,527
Investment, Identifier [Axis]: Rug Doctor, LLC. | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		9.23%	[19],[20],[23]		9.23%	[19],[20],[23]		9.17%	[17],[18],[26]
Spread		5.50%	[19],[20],[21],[23]		5.50%	[19],[20],[21],[23]		5.50%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 3,721
Ending balance	[5],[19],[20],[23]	$ 2,821			$ 2,821
Investment, Identifier [Axis]: Rug Doctor, LLC. | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.23%	[19],[20],[23]		9.23%	[19],[20],[23]		9.17%	[17],[18],[26]
Spread		5.50%	[19],[20],[21],[23]		5.50%	[19],[20],[21],[23]		5.50%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 6,831
Ending balance	[5],[19],[20],[23]	$ 6,623			6,623
Investment, Identifier [Axis]: SI East, LLC | Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(640)		(1,190)
Amount of Interest, Fees or Dividends Credited to Income					277		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					17,190	[2],[11],[27]	13,660
Gross Additions					0		0
Gross Reductions					640		1,190
Ending balance		$ 16,550	[5],[9],[28]	$ 12,470	$ 16,550	[5],[9],[28]	$ 12,470
Investment, Identifier [Axis]: SI East, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.80%	[9]	11.85%	11.80%	[9]	11.85%	11.80%	[11]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(2)		(2)
Amount of Interest, Fees or Dividends Credited to Income					145		145
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,250	[2],[11]	2,250
Gross Additions					2		2
Gross Reductions					2		2
Ending balance		$ 2,250	[5],[9]	$ 2,250	$ 2,250	[5],[9]	$ 2,250
Investment, Identifier [Axis]: SI East, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.84%	[9],[57]	12.79%	12.84%	[9],[57]	12.79%	12.85%	[11],[58]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(16)		48
Amount of Interest, Fees or Dividends Credited to Income					4,332		4,368
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					66,850	[2],[11],[58]	67,661
Gross Additions					16		0
Gross Reductions					16		0
Ending balance		$ 66,850	[5],[9],[57]	$ 67,661	66,850	[5],[9],[57]	67,661
Investment, Identifier [Axis]: SPAU Holdings, LLC | Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				630
Ending balance	[5],[19],[20]	$ 630			$ 630
Investment, Identifier [Axis]: SPAU Holdings, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[19],[20],[23],[35]	10.86%			10.86%
Spread		7.00%	[19],[20],[21],[23],[35]		7.00%	[19],[20],[21],[23],[35]		7.00%	[17],[18],[24],[25],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[25],[26]				$ 0
Ending balance	[5],[19],[20],[23],[35]	$ 2,108			$ 2,108
Investment, Identifier [Axis]: SPAU Holdings, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.88%	[19],[20],[23]		10.88%	[19],[20],[23]		10.82%	[17],[18],[26]
Spread		7.00%	[19],[20],[21],[23]		7.00%	[19],[20],[21],[23]		7.00%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 15,409
Ending balance	[5],[19],[20],[23]	$ 15,329			15,329
Investment, Identifier [Axis]: Shift Transit ParentCo, LP | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					12,000
Gross Reductions					0
Ending balance	[5],[8]	$ 12,000			$ 12,000
Investment, Identifier [Axis]: Shift Transit ParentCo, LP | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[8]	13.00%			13.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[8]	$ 1,734			$ 1,734
Investment, Identifier [Axis]: Shift Transit ParentCo, LP | Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		13.00%			13.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					816
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					17,632
Gross Reductions					0
Ending balance		$ 17,632			$ 17,632
Investment, Identifier [Axis]: Shift Transit ParentCo, LP | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[8]	13.00%			13.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[8]	$ 17,632			$ 17,632
Investment, Identifier [Axis]: Shift Transit ParentCo, LP | Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		13.00%			13.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					468
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					10,104
Gross Reductions					0
Ending balance		$ 10,104			$ 10,104
Investment, Identifier [Axis]: Shift Transit ParentCo, LP | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[8]	13.00%			13.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[8]	$ 10,104			$ 10,104
Investment, Identifier [Axis]: Shift Transit ParentCo, LP | Secured Debt 3.1
Schedule of Investments [Line Items]
Total Rate		13.00%			13.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					101
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					1,734
Gross Reductions					0
Ending balance		$ 1,734			1,734
Investment, Identifier [Axis]: Slick Innovations, LLC | Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					730		(450)
Amount of Interest, Fees or Dividends Credited to Income					0		873
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,160	[2],[11],[27]	2,440
Gross Additions					730		0
Gross Reductions					0		450
Ending balance		$ 2,890	[5],[9]	1,990	$ 2,890	[5],[9]	1,990
Investment, Identifier [Axis]: Slick Innovations, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate		14.00%	[9]		14.00%	[9]		14.00%	[11]
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					(43)
Amount of Interest, Fees or Dividends Credited to Income					1,745
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11]				24,680
Gross Additions					43
Gross Reductions					1,963
Ending balance	[5],[9]	$ 22,760			22,760
Investment, Identifier [Axis]: Slick Innovations, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							(140)
Amount of Interest, Fees or Dividends Credited to Income							510
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							16,320
Gross Additions							0
Gross Reductions							16,320
Ending balance				$ 0			$ 0
Investment, Identifier [Axis]: Slick Innovations, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				14.00%			14.00%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							265
Amount of Interest, Fees or Dividends Credited to Income							1,371
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							25,880
Gross Reductions							320
Ending balance				$ 25,560			25,560
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				1,013
Ending balance	[5],[19],[20]	$ 1,188			$ 1,188
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Spread		5.00%	[19],[20],[21],[22],[23]		5.00%	[19],[20],[21],[22],[23]		5.25%	[17],[18],[24],[25],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[25],[26]				$ 0
Ending balance	[5],[19],[20],[22],[23]	$ 0			$ 0
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		8.74%	[19],[20],[23]		8.74%	[19],[20],[23]		9.07%	[17],[18],[26]
Spread		5.00%	[19],[20],[21],[23]		5.00%	[19],[20],[21],[23]		5.25%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 53,320
Ending balance	[5],[19],[20],[23]	$ 51,553			$ 51,553
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		8.74%	[19],[20],[23]		8.74%	[19],[20],[23]		9.07%	[17],[18],[26]
Spread		5.00%	[19],[20],[21],[23]		5.00%	[19],[20],[21],[23]		5.25%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 10,475
Ending balance	[5],[19],[20],[23]	$ 10,423			10,423
Investment, Identifier [Axis]: Specialized Aviation Holdings, LLC | Preferred Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					590
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11]				15,000
Gross Additions					0
Gross Reductions					0
Ending balance	[5],[9],[28]	$ 15,000			$ 15,000
Investment, Identifier [Axis]: Specialized Aviation Holdings, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.00%	[9]		13.00%	[9]		13.00%	[11]
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					1,592
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11]				28,362
Gross Additions					75
Gross Reductions					5,749
Ending balance	[5],[9]	$ 22,688			22,688
Investment, Identifier [Axis]: Spring Engineering Holdings, LLC | Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					4,650
Gross Reductions					0
Ending balance	[5],[8]	$ 4,650			$ 4,650
Investment, Identifier [Axis]: Spring Engineering Holdings, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate	[8]	13.00%			13.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					1,534
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					23,176
Gross Reductions					0
Ending balance	[5],[8]	$ 23,176			23,176
Investment, Identifier [Axis]: Student Resource Center, LLC | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[11],[17]	0
Gross Additions							0
Gross Reductions							0
Ending balance		$ 0	[5],[9],[19]	$ 0	$ 0	[5],[9],[19]	$ 0
Investment, Identifier [Axis]: Student Resource Center, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		8.50%	[9],[19]	8.50%	8.50%	[9],[19]	8.50%	8.50%	[11],[17]
PIK Rate		8.50%	[9],[13],[19]	8.50%	8.50%	[9],[13],[19]	8.50%	8.50%	[11],[14],[17]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							(583)
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 780	[2],[11],[17]	1,644
Gross Additions							0
Gross Reductions							583
Ending balance		$ 860	[5],[9],[19]	$ 1,061	$ 860	[5],[9],[19]	$ 1,061
Investment, Identifier [Axis]: Student Resource Center, LLC | Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		8.50%			8.50%
PIK Rate		8.50%			8.50%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					269
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,438
Gross Additions					270
Gross Reductions					0
Ending balance		$ 1,708			$ 1,708
Investment, Identifier [Axis]: Student Resource Center, LLC | Secured Debt 1.2
Schedule of Investments [Line Items]
Total Rate		8.50%			8.50%
PIK Rate		8.50%			8.50%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					72
Amount of Interest, Fees or Dividends Credited to Income					8
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					780
Gross Additions					80
Gross Reductions					0
Ending balance		$ 860			$ 860
Investment, Identifier [Axis]: Student Resource Center, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		8.50%	[9],[16],[19]	8.50%	8.50%	[9],[16],[19]	8.50%	8.50%	[11],[15],[17]
PIK Rate		8.50%	[9],[13],[16],[19]	8.50%	8.50%	[9],[13],[16],[19]	8.50%	8.50%	[11],[14],[15],[17]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							673
Amount of Interest, Fees or Dividends Credited to Income							9
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 1,438	[2],[11],[15],[17]	204
Gross Additions							682
Gross Reductions							0
Ending balance		$ 1,708	[5],[9],[16],[19]	$ 886	1,708	[5],[9],[16],[19]	886
Investment, Identifier [Axis]: Superior Rigging & Erecting Co. | Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					980		5,420
Amount of Interest, Fees or Dividends Credited to Income					751		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					17,500	[2],[11]	10,530
Gross Additions					980		5,420
Gross Reductions					0		0
Ending balance		$ 18,480	[5],[9],[28]	15,950	$ 18,480	[5],[9],[28]	15,950
Investment, Identifier [Axis]: TEC Services, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Spread		5.50%	[19],[20],[21],[22],[23]		5.50%	[19],[20],[21],[22],[23]		5.50%	[17],[18],[24],[25],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[25],[26]				$ (76)
Ending balance	[5],[19],[20],[22],[23]	$ (66)			$ (66)
Investment, Identifier [Axis]: TEC Services, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Spread		5.50%	[19],[20],[21],[22],[23]		5.50%	[19],[20],[21],[22],[23]		5.50%	[17],[18],[24],[25],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[25],[26]				$ (57)
Ending balance	[5],[19],[20],[22],[23]	$ (50)			$ (50)
Investment, Identifier [Axis]: TEC Services, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		9.33%	[19],[20],[23]		9.33%	[19],[20],[23]		9.27%	[17],[18],[26]
Spread		5.50%	[19],[20],[21],[23]		5.50%	[19],[20],[21],[23]		5.50%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 31,903
Ending balance	[5],[19],[20],[23]	$ 31,848			31,848
Investment, Identifier [Axis]: Tectonic Financial, LLC | Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[18],[27]				5,000
Ending balance	[5],[20],[28]	4,400			4,400
Investment, Identifier [Axis]: Tedder Industries, LLC | Preferred Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[7]	0
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		0	[5],[8]	0	0	[5],[8]	0
Investment, Identifier [Axis]: Tedder Industries, LLC | Preferred Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[7]	0
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		0	[5],[8]	0	0	[5],[8]	0
Investment, Identifier [Axis]: Tedder Industries, LLC | Preferred Member Units 3
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[7]	0
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 0	[5],[8]	$ 0	$ 0	[5],[8]	$ 0
Investment, Identifier [Axis]: Tedder Industries, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%	[8],[38]	12.00%	12.00%	[8],[38]	12.00%	12.00%	[7],[15],[29]
PIK Rate		12.00%	[8],[13],[38]	12.00%	12.00%	[8],[13],[38]	12.00%	12.00%	[7],[14],[15],[29]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(82)		(3)
Amount of Interest, Fees or Dividends Credited to Income					475		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					962	[2],[7],[15],[29]	1,646
Gross Additions					475		0
Gross Reductions					82		2
Ending balance		$ 1,355	[5],[8],[38]	$ 1,644	$ 1,355	[5],[8],[38]	$ 1,644
Investment, Identifier [Axis]: Tedder Industries, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%	[8],[16],[38]	12.00%	12.00%	[8],[16],[38]	12.00%	12.00%	[7],[15],[29]
PIK Rate		12.00%	[8],[13],[16],[38]	12.00%	12.00%	[8],[13],[16],[38]	12.00%	12.00%	[7],[14],[15],[29]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					3,000		(150)
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,827	[2],[7],[15],[29]	3,603
Gross Additions					3,001		0
Gross Reductions					0		151
Ending balance		$ 5,828	[5],[8],[16],[38]	$ 3,452	5,828	[5],[8],[16],[38]	3,452
Investment, Identifier [Axis]: Televerde, LLC | Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(4,210)		769
Amount of Interest, Fees or Dividends Credited to Income					0		298
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,822	[2],[7],[27]	4,252
Gross Additions					0		769
Gross Reductions					4,210		0
Ending balance		612	[5],[8]	5,021	612	[5],[8]	5,021
Investment, Identifier [Axis]: Televerde, LLC | Preferred Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,794	[2],[7]	1,794
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		1,794	[5],[8]	1,794	1,794	[5],[8]	1,794
Investment, Identifier [Axis]: Tex Tech Tennis, LLC | Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[36]				2,900
Ending balance	[5],[19],[20],[28],[37]	3,100			3,100
Investment, Identifier [Axis]: The Affiliati Network, LLC | Preferred Stock 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							115
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					313	[2],[11]	6,400
Gross Additions							0
Gross Reductions							0
Ending balance		313	[5],[9]	6,400	313	[5],[9]	6,400
Investment, Identifier [Axis]: The Affiliati Network, LLC | Preferred Stock 1.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					256
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					6,400
Gross Additions					0
Gross Reductions					0
Ending balance		6,400			6,400
Investment, Identifier [Axis]: The Affiliati Network, LLC | Preferred Stock 1.2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					313
Gross Additions					0
Gross Reductions					0
Ending balance		313			313
Investment, Identifier [Axis]: The Affiliati Network, LLC | Preferred Stock 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					6,400	[2],[11],[27]	287
Gross Additions							26
Gross Reductions							0
Ending balance		$ 6,400	[5],[9],[28]	313	$ 6,400	[5],[9],[28]	313
Investment, Identifier [Axis]: The Affiliati Network, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							36
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							394
Gross Additions							2,562
Gross Reductions							2,960
Ending balance				$ (4)			$ (4)
Investment, Identifier [Axis]: The Affiliati Network, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				13.00%			13.00%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							51
Amount of Interest, Fees or Dividends Credited to Income							307
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							5,053
Gross Additions							57
Gross Reductions							0
Ending balance				$ 5,110			5,110
Investment, Identifier [Axis]: Titan Meter Midco Corp. | Preferred Equity
Schedule of Investments [Line Items]
Total Rate		8.00%	[19],[20]		8.00%	[19],[20]		8.00%	[17],[18]
PIK Rate		8.00%	[13],[19],[20]		8.00%	[13],[19],[20]		8.00%	[14],[17],[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				$ 1,540
Ending balance	[5],[19],[20]	$ 1,830			$ 1,830
Investment, Identifier [Axis]: Titan Meter Midco Corp. | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.23%	[19],[20],[23]		10.23%	[19],[20],[23]		10.17%	[17],[18],[26]
Spread		6.50%	[19],[20],[21],[23]		6.50%	[19],[20],[21],[23]		6.50%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 1,439
Ending balance	[5],[19],[20],[23]	$ 3,562			$ 3,562
Investment, Identifier [Axis]: Titan Meter Midco Corp. | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.23%	[19],[20],[23]		10.23%	[19],[20],[23]		10.17%	[17],[18],[26]
Spread		6.50%	[19],[20],[21],[23]		6.50%	[19],[20],[21],[23]		6.50%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 33,585
Ending balance	[5],[19],[20],[23]	$ 33,414			$ 33,414
Investment, Identifier [Axis]: Titan Meter Midco Corp. | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.23%	[19],[20],[23]		10.23%	[19],[20],[23]		10.17%	[17],[18],[26]
Spread		6.50%	[19],[20],[21],[23]		6.50%	[19],[20],[21],[23]		6.50%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 4,298
Ending balance	[5],[19],[20],[23]	$ 4,276			$ 4,276
Investment, Identifier [Axis]: Titan Meter Midco Corp. | Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		10.23%	[19],[20],[23]		10.23%	[19],[20],[23]		10.17%	[17],[18],[26]
Spread		6.50%	[19],[20],[21],[23]		6.50%	[19],[20],[21],[23]		6.50%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 4,863
Ending balance	[5],[19],[20],[23]	$ 4,839			4,839
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Common Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7],[36]				696
Gross Additions					0
Gross Reductions					0
Ending balance	[5],[8],[37]	696			696
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					11,164		890
Amount of Interest, Fees or Dividends Credited to Income					0		58
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					14,920	[2],[7],[27]	8,570
Gross Additions					12,530		890
Gross Reductions					0		0
Ending balance		$ 27,450	[5],[8],[28]	9,460	$ 27,450	[5],[8],[28]	9,460
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[8]	11.50%			11.50%
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 0	[2],[7],[25]	(1)
Gross Additions							0
Gross Reductions							0
Ending balance		$ 1,600	[5],[8]	$ (1)	$ 1,600	[5],[8]	$ (1)
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		11.50%			11.50%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					51
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					1,600
Gross Reductions					0
Ending balance		$ 1,600			1,600
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Secured Debt 1.2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					(41)
Amount of Interest, Fees or Dividends Credited to Income					240
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					9,000
Gross Additions					0
Gross Reductions					9,000
Ending balance		$ 0			$ 0
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Secured Debt 1.3
Schedule of Investments [Line Items]
Total Rate		13.50%			13.50%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					209
Amount of Interest, Fees or Dividends Credited to Income					1,690
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					31,280
Gross Reductions					0
Ending balance		$ 31,280			$ 31,280
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Secured Debt 1.4
Schedule of Investments [Line Items]
Total Rate		9.00%			9.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					(2)
Amount of Interest, Fees or Dividends Credited to Income					94
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,040
Gross Additions					2
Gross Reductions					2
Ending balance		$ 2,040			$ 2,040
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Secured Debt 1.5
Schedule of Investments [Line Items]
Total Rate		9.00%			9.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					8
Amount of Interest, Fees or Dividends Credited to Income					52
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					2,100
Gross Reductions					0
Ending balance		$ 2,100			$ 2,100
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Secured Debt 1.6
Schedule of Investments [Line Items]
Total Rate		9.00%			9.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					1
Amount of Interest, Fees or Dividends Credited to Income					10
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					400
Gross Reductions					0
Ending balance		$ 400			$ 400
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.50%	[8]	13.50%	13.50%	[8]	13.50%	13.50%	[7]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							551
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 9,000	[2],[7]	7,855
Gross Additions							14
Gross Reductions							0
Ending balance		$ 31,280	[5],[8]	$ 7,869	$ 31,280	[5],[8]	7,869
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		9.00%	[8]		9.00%	[8]		9.00%	[7]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7]				$ 2,040
Ending balance	[5],[8]	$ 2,040			$ 2,040
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[8]	9.00%			9.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[8]	$ 2,100			$ 2,100
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Secured Debt 5
Schedule of Investments [Line Items]
Total Rate	[8]	9.00%			9.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[8]	$ 400			$ 400
Investment, Identifier [Axis]: Trinity Medical Holdings, LLC | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					10,690
Amount of Interest, Fees or Dividends Credited to Income					300
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7]				22,500
Gross Additions					10,690
Gross Reductions					0
Ending balance	[5],[8],[28]	$ 33,190			$ 33,190
Investment, Identifier [Axis]: Trinity Medical Holdings, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.00%			13.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					497
Amount of Interest, Fees or Dividends Credited to Income					3,882
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					57,944
Gross Additions					556
Gross Reductions					0
Ending balance		$ 58,500			58,500
Investment, Identifier [Axis]: Trinity Medical Holdings, LLC | Secured Debt 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7],[25]				0
Ending balance	[5],[8],[22]	$ 0			$ 0
Investment, Identifier [Axis]: Trinity Medical Holdings, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%	[8]		13.00%	[8]		13.00%	[7]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7]				$ 57,944
Ending balance	[5],[8]	$ 58,500			$ 58,500
Investment, Identifier [Axis]: U.S. TelePacific Corp. | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		14.70%	[12],[20],[23],[38]		14.70%	[12],[20],[23],[38]		12.32%	[10],[15],[18],[26]
Spread		11.00%	[12],[20],[21],[23],[38]		11.00%	[12],[20],[21],[23],[38]		8.15%	[10],[15],[18],[24],[26]
PIK Rate		10.00%	[12],[13],[20],[23],[38]		10.00%	[12],[13],[20],[23],[38]		7.00%	[10],[14],[15],[18],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[10],[15],[18],[26]				$ 3,998
Ending balance	[5],[12],[20],[23],[38]	$ 678			$ 678
Investment, Identifier [Axis]: U.S. TelePacific Corp. | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[12],[16],[20],[23]	13.75%			13.75%
Spread	[12],[16],[20],[21],[23]	7.00%			7.00%
PIK Rate	[12],[13],[16],[20],[23]	7.00%			7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[10],[15],[18]				$ 0
Ending balance	[5],[12],[16],[20],[23]	$ 1,940			1,940
Investment, Identifier [Axis]: U.S. TelePacific Corp. | Secured Debt 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[12],[16],[20]	0			0
Investment, Identifier [Axis]: UBM AcquireCo LLC | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[18]				8,000
Ending balance	[5],[20],[28]	7,870			7,870
Investment, Identifier [Axis]: UBM AcquireCo LLC | Secured Debt 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[18],[25]				(38)
Ending balance	[5],[20],[22]	$ (29)			$ (29)
Investment, Identifier [Axis]: UBM AcquireCo LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%	[20]		10.00%	[20]		10.00%	[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[18]				$ 42,379
Ending balance	[5],[20]	$ 15,467			$ 15,467
Investment, Identifier [Axis]: UBM AcquireCo LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[20]	10.00%			10.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[20]	$ 42,421			$ 42,421
Investment, Identifier [Axis]: UPS Intermediate, LLC | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				1,480
Ending balance	[5],[19],[20]	$ 1,630			1,630
Investment, Identifier [Axis]: UPS Intermediate, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate	[17],[18],[26]							9.97%
Spread	[17],[18],[24],[26]							6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 42,622
Investment, Identifier [Axis]: UPS Intermediate, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[19],[20],[23]	10.16%			10.16%
Spread	[19],[20],[21],[23]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[19],[20],[23]	$ 13,101			$ 13,101
Investment, Identifier [Axis]: UPS Intermediate, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[19],[20],[23]	10.16%			10.16%
Spread	[19],[20],[21],[23]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[19],[20],[23]	$ 3,532			$ 3,532
Investment, Identifier [Axis]: UPS Intermediate, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[19],[20],[23]	10.23%			10.23%
Spread	[19],[20],[21],[23]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[19],[20],[23]	$ 42,686			$ 42,686
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[10],[11]	0
Gross Additions							0
Gross Reductions							0
Ending balance		$ 0	[5],[9],[12]	$ 0	$ 0	[5],[9],[12]	$ 0
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Preferred Stock 1
Schedule of Investments [Line Items]
Total Rate		20.00%	[9],[12]		20.00%	[9],[12]		20.00%	[10],[11]
PIK Rate		20.00%	[9],[12],[13]	20.00%	20.00%	[9],[12],[13]	20.00%	20.00%	[10],[11],[14]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					1,820		0
Amount of Interest, Fees or Dividends Credited to Income					0		104
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					9,388	[2],[10],[11]	3,181
Gross Additions					1,820		1,633
Gross Reductions					0		4,814
Ending balance		$ 11,208	[5],[9],[12]	$ 0	$ 11,208	[5],[9],[12]	$ 0
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Preferred Stock 2
Schedule of Investments [Line Items]
Total Rate		19.00%	[9],[12]	20.00%	19.00%	[9],[12]	20.00%	19.00%	[10],[11]
PIK Rate		19.00%	[9],[12],[13]	20.00%	19.00%	[9],[12],[13]	20.00%	19.00%	[10],[11],[14]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		(788)
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[10],[11]	4,272
Gross Additions					0		5,116
Gross Reductions					0		0
Ending balance		$ 0	[5],[9],[12]	$ 9,388	$ 0	[5],[9],[12]	$ 9,388
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Preferred Stock 3
Schedule of Investments [Line Items]
Total Rate		13.50%	[9],[12]	19.00%	13.50%	[9],[12]	19.00%	13.50%	[10],[11]
PIK Rate		13.50%	[9],[12],[13]	19.00%	13.50%	[9],[12],[13]	19.00%	13.50%	[10],[11],[14]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[10],[11]	0
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 0	[5],[9],[12]	$ 0	0	[5],[9],[12]	$ 0
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Preferred Stock 4
Schedule of Investments [Line Items]
Total Rate				13.50%			13.50%
PIK Rate				13.50%			13.50%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							0
Gross Reductions							0
Ending balance				$ 0			$ 0
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Secured Convertible Debt 1
Schedule of Investments [Line Items]
PIK Rate				15.00%			15.00%
Amount of Realized Gain/(Loss)							$ 3,762
Amount of Unrealized Gain/(Loss)							(2,384)
Amount of Interest, Fees or Dividends Credited to Income							41
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							5,642
Gross Additions							505
Gross Reductions							6,147
Ending balance				$ 0			$ 0
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Secured Convertible Debt 2
Schedule of Investments [Line Items]
PIK Rate				15.00%			15.00%
Amount of Realized Gain/(Loss)							$ 1,743
Amount of Unrealized Gain/(Loss)							(1,155)
Amount of Interest, Fees or Dividends Credited to Income							21
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							2,663
Gross Additions							235
Gross Reductions							2,898
Ending balance				$ 0			0
Investment, Identifier [Axis]: UnionRock Energy Fund II, LP | LP Interests
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					134		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,164	[2],[11],[41],[45],[46]	4,732
Gross Additions					339		0
Gross Reductions					275		335
Ending balance		4,228	[5],[9],[43],[47],[48]	4,397	4,228	[5],[9],[43],[47],[48]	4,397
Investment, Identifier [Axis]: UnionRock Energy Fund III, LP | LP Interests
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					631		(405)
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					5,165	[2],[11],[27],[41],[45],[46]	5,612
Gross Additions					1,004		447
Gross Reductions					271		887
Ending balance		5,898	[5],[9],[28],[43],[47],[48]	$ 5,172	5,898	[5],[9],[28],[43],[47],[48]	$ 5,172
Investment, Identifier [Axis]: Urgent DSO LLC | Preferred Equity
Schedule of Investments [Line Items]
Total Rate				9.00%			9.00%
PIK Rate				9.00%			9.00%
Amount of Realized Gain/(Loss)					0		$ 0
Amount of Unrealized Gain/(Loss)					(3,584)		0
Amount of Interest, Fees or Dividends Credited to Income					0		194
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,356	[2],[11],[27]	4,320
Gross Additions					0		194
Gross Reductions					3,584		0
Ending balance		$ 772	[5],[9],[28]	$ 4,514	$ 772	[5],[9],[28]	$ 4,514
Investment, Identifier [Axis]: Urgent DSO LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.50%	[9]	13.50%	13.50%	[9]	13.50%	13.50%	[11]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(191)		0
Amount of Interest, Fees or Dividends Credited to Income					606		606
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					8,672	[2],[11]	8,727
Gross Additions					9		8
Gross Reductions					190		0
Ending balance		$ 8,491	[5],[9]	$ 8,735	8,491	[5],[9]	8,735
Investment, Identifier [Axis]: UserZoom Technologies, Inc. | Secured Debt
Schedule of Investments [Line Items]
Total Rate	[17],[18],[26]							11.63%
Spread	[17],[18],[24],[26]							7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 4,000
Investment, Identifier [Axis]: UserZoom Technologies, Inc. | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[19],[20],[23]	11.42%			11.42%
Spread	[19],[20],[21],[23]	7.75%			7.75%
PIK Rate	[13],[19],[20],[23]	1.75%			1.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[19],[20],[23]	$ 277			$ 277
Investment, Identifier [Axis]: UserZoom Technologies, Inc. | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[19],[20],[23]	11.40%			11.40%
Spread	[19],[20],[21],[23]	7.75%			7.75%
PIK Rate	[13],[19],[20],[23]	1.75%			1.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[19],[20],[23]	$ 3,439			$ 3,439
Investment, Identifier [Axis]: VORTEQ Coil Finishers, LLC | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[27]				3,610
Ending balance	[5],[19],[20],[28]	4,030			4,030
Investment, Identifier [Axis]: VVS Holdco LLC | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					0		99
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					12,240	[2],[7],[27],[36]	12,240
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 12,240	[5],[8],[37]	$ 12,240	$ 12,240	[5],[8],[37]	$ 12,240
Investment, Identifier [Axis]: VVS Holdco LLC | Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[8],[21],[22],[23]	6.00%	6.00%	[8],[21],[22],[23]	6.00%	6.00%	[7],[24],[25],[26]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					8		8
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[7],[25],[26]	0
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 0	[5],[8],[22],[23]	$ 0	$ 0	[5],[8],[22],[23]	$ 0
Investment, Identifier [Axis]: VVS Holdco LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.50%	[8]	11.50%	11.50%	[8]	11.50%	11.50%	[7]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					1,385		1,491
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					23,956	[2],[7]	25,661
Gross Additions					25		30
Gross Reductions					1,200		1,281
Ending balance		$ 22,781	[5],[8]	$ 24,410	22,781	[5],[8]	24,410
Investment, Identifier [Axis]: Victory Energy Operations, LLC | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					1,830		0
Amount of Interest, Fees or Dividends Credited to Income					215		232
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					23,380	[2],[7]	22,686
Gross Additions					1,830		0
Gross Reductions					0		215
Ending balance		$ 25,210	[5],[8]	$ 22,471	$ 25,210	[5],[8]	$ 22,471
Investment, Identifier [Axis]: Victory Energy Operations, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.00%	[8]	13.00%	13.00%	[8]	13.00%	13.00%	[7]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					131		68
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					836	[2],[7]	(33)
Gross Additions					1,727		1,727
Gross Reductions					431		0
Ending balance		$ 2,132	[5],[8]	$ 1,694	$ 2,132	[5],[8]	$ 1,694
Investment, Identifier [Axis]: Victory Energy Operations, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%	[8]	13.00%	13.00%	[8]	13.00%	13.00%	[7]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					3,202		3,202
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					47,889	[2],[7]	47,792
Gross Additions					48		49
Gross Reductions					0		0
Ending balance		$ 47,937	[5],[8]	$ 47,841	$ 47,937	[5],[8]	47,841
Investment, Identifier [Axis]: Vitesse Systems | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.99%	[19],[20],[35]		10.99%	[19],[20],[35]		10.98%	[17],[18],[30]
Spread		7.00%	[19],[20],[21],[35]		7.00%	[19],[20],[21],[35]		7.00%	[17],[18],[24],[30]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[30]				$ 7,727
Ending balance	[5],[19],[20],[35]	$ 7,727			$ 7,727
Investment, Identifier [Axis]: Vitesse Systems | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.99%	[19],[20],[23]		10.99%	[19],[20],[23]		10.93%	[17],[18],[26]
Spread		7.00%	[19],[20],[21],[23]		7.00%	[19],[20],[21],[23]		7.00%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 41,650
Ending balance	[5],[19],[20],[23]	$ 3,873			$ 3,873
Investment, Identifier [Axis]: Vitesse Systems | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[19],[20],[23]	10.99%			10.99%
Spread	[19],[20],[21],[23]	7.00%			7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[19],[20],[23]	$ 41,437			$ 41,437
Investment, Identifier [Axis]: Volusion, LLC | Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[7]	0
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		0	[5],[8]	0	0	[5],[8]	0
Investment, Identifier [Axis]: Volusion, LLC | Preferred Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,910	[2],[7]	0
Gross Additions							0
Gross Reductions							0
Ending balance		1,746	[5],[8]	0	1,746	[5],[8]	0
Investment, Identifier [Axis]: Volusion, LLC | Preferred Member Units 1.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					0
Gross Reductions					0
Ending balance		0			0
Investment, Identifier [Axis]: Volusion, LLC | Preferred Member Units 1.2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					(563)
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,910
Gross Additions					0
Gross Reductions					1,164
Ending balance		1,746			1,746
Investment, Identifier [Axis]: Volusion, LLC | Preferred Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							22
Amount of Unrealized Gain/(Loss)							(1,627)
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[7]	7,003
Gross Additions							22
Gross Reductions							2,745
Ending balance		0	[5],[8]	4,280	0	[5],[8]	4,280
Investment, Identifier [Axis]: Volusion, LLC | Preferred Member Units 3
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[2],[7]	0
Gross Additions							0
Gross Reductions							0
Ending balance		$ 0	[5],[8]	$ 0	$ 0	[5],[8]	$ 0
Investment, Identifier [Axis]: Volusion, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.00%	[8],[38]	10.00%	10.00%	[8],[38]	10.00%	10.00%	[7],[29]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					106		106
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,100	[2],[7],[29]	2,100
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 2,100	[5],[8],[38]	$ 2,100	2,100	[5],[8],[38]	2,100
Investment, Identifier [Axis]: Wash & Wax Systems LLC | Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				1,520
Ending balance	[5],[19],[20]	$ 330			$ 330
Investment, Identifier [Axis]: Wash & Wax Systems LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		9.20%	[19],[20],[23],[35]		9.20%	[19],[20],[23],[35]		9.28%	[17],[18],[26],[30]
Spread		5.50%	[19],[20],[21],[23],[35]		5.50%	[19],[20],[21],[23],[35]		5.50%	[17],[18],[24],[26],[30]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[30]				$ 322
Ending balance	[5],[19],[20],[23],[35]	$ 322			$ 322
Investment, Identifier [Axis]: Wash & Wax Systems LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.16%	[19],[20],[23]		9.16%	[19],[20],[23]		9.34%	[17],[18],[26]
Spread		5.50%	[19],[20],[21],[23]		5.50%	[19],[20],[21],[23]		5.50%	[17],[18],[24],[26]
PIK Rate	[13],[19],[20],[23]	9.16%			9.16%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 7,546
Ending balance	[5],[19],[20],[23]	$ 7,975			$ 7,975
Investment, Identifier [Axis]: Wash & Wax Systems LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.00%	[19],[20]		12.00%	[19],[20]		12.00%	[17],[18]
PIK Rate		12.00%	[13],[19],[20]		12.00%	[13],[19],[20]		12.00%	[14],[17],[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18]				$ 5,353
Ending balance	[5],[19],[20]	$ 5,556			5,556
Investment, Identifier [Axis]: Watterson Brands, LLC | Common Shares
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[19],[20]	$ 0			$ 0
Investment, Identifier [Axis]: Watterson Brands, LLC | Preferred Stock
Schedule of Investments [Line Items]
Total Rate	[19],[20]	12.00%			12.00%
PIK Rate	[13],[19],[20]	12.00%			12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[19],[20]	$ 4,840			$ 4,840
Investment, Identifier [Axis]: Watterson Brands, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[15],[17],[18]							12.00%
PIK Rate	[14],[15],[17],[18]							4.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[15],[17],[18]				1,595
Ending balance	[5],[19],[20],[22]	$ 0			$ 0
Investment, Identifier [Axis]: Watterson Brands, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		6.00%	[19],[20]		6.00%	[19],[20]		12.00%	[15],[17],[18]
PIK Rate		6.00%	[13],[19],[20]		6.00%	[13],[19],[20]		4.00%	[14],[15],[17],[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[15],[17],[18]				$ 275
Ending balance	[5],[19],[20]	$ 13,274			13,274
Investment, Identifier [Axis]: Watterson Brands, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[15],[17],[18]							12.00%
PIK Rate	[14],[15],[17],[18]							4.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[15],[17],[18]				11,314
Investment, Identifier [Axis]: Watterson Brands, LLC | Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[15],[17],[18]							12.00%
PIK Rate	[14],[15],[17],[18]							4.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[15],[17],[18]				9,049
Investment, Identifier [Axis]: Wildcats Topco LLC (NVS Heritage) | Common Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							22,427
Gross Reductions							0
Ending balance				22,427			22,427
Investment, Identifier [Axis]: Wildcats Topco LLC | Common Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					1,880
Amount of Interest, Fees or Dividends Credited to Income					292
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[11]				22,760
Gross Additions					1,880
Gross Reductions					0
Ending balance	[5],[9]	$ 24,640			$ 24,640
Investment, Identifier [Axis]: Winter Services LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[17],[18],[26],[30]							11.49%
Spread		8.00%	[19],[20],[21],[22],[23],[35]		8.00%	[19],[20],[21],[22],[23],[35]		7.50%	[17],[18],[24],[26],[30]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[30]				$ 4,000
Ending balance	[5],[19],[20],[22],[23],[35]	$ 0			$ 0
Investment, Identifier [Axis]: Winter Services LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.95%	[19],[20],[23]		11.95%	[19],[20],[23]		11.75%	[17],[18],[26]
Spread		8.00%	[19],[20],[21],[23]		8.00%	[19],[20],[21],[23]		7.50%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 1,874
Ending balance	[5],[19],[20],[23]	$ 1,874			$ 1,874
Investment, Identifier [Axis]: Winter Services LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.95%	[19],[20],[23]		10.95%	[19],[20],[23]		10.75%	[17],[18],[26]
Spread		7.00%	[19],[20],[21],[23]		7.00%	[19],[20],[21],[23]		6.50%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 7,240
Ending balance	[5],[19],[20],[23]	$ 7,240			$ 7,240
Investment, Identifier [Axis]: Winter Services LLC | Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		12.95%	[19],[20],[23]		12.95%	[19],[20],[23]		12.75%	[17],[18],[26]
Spread		9.00%	[19],[20],[21],[23]		9.00%	[19],[20],[21],[23]		8.50%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 7,240
Ending balance	[5],[19],[20],[23]	$ 7,240			7,240
Investment, Identifier [Axis]: World Micro Holdings, LLC | Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					0		198
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					3,845	[2],[11],[27]	3,845
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 3,845	[5],[9],[28]	$ 3,845	$ 3,845	[5],[9],[28]	$ 3,845
Investment, Identifier [Axis]: World Micro Holdings, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.00%	[9]	11.00%	13.00%	[9]	11.00%	12.00%	[11]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					641		579
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					9,848	[2],[11]	10,702
Gross Additions					12		15
Gross Reductions					659		878
Ending balance		$ 9,201	[5],[9]	$ 9,839	$ 9,201	[5],[9]	9,839
Investment, Identifier [Axis]: Xenon Arc, Inc. | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		9.80%	[19],[20],[23]		9.80%	[19],[20],[23]		9.54%	[17],[18],[26]
Spread		6.00%	[19],[20],[21],[23]		6.00%	[19],[20],[21],[23]		5.75%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 23,571
Ending balance	[5],[19],[20],[23]	$ 23,450			$ 23,450
Investment, Identifier [Axis]: Xenon Arc, Inc. | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.77%	[19],[20],[23]		9.77%	[19],[20],[23]		9.72%	[17],[18],[26]
Spread		6.00%	[19],[20],[21],[23]		6.00%	[19],[20],[21],[23]		5.75%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 37,056
Ending balance	[5],[19],[20],[23]	$ 36,863			$ 36,863
Investment, Identifier [Axis]: Xenon Arc, Inc. | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		9.83%	[19],[20],[23]		9.83%	[19],[20],[23]		9.52%	[17],[18],[26]
Spread		6.00%	[19],[20],[21],[23]		6.00%	[19],[20],[21],[23]		5.75%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 10,552
Ending balance	[5],[19],[20],[23]	$ 10,499			$ 10,499
Investment, Identifier [Axis]: YS Garments, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.24%	[12],[20],[23],[50]		11.24%	[12],[20],[23],[50]		11.48%	[10],[18],[26],[53]
Spread		7.50%	[12],[20],[21],[23],[50]		7.50%	[12],[20],[21],[23],[50]		7.50%	[10],[18],[24],[26],[53]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[10],[18],[26],[53]				$ 8,893
Ending balance	[5],[12],[20],[23],[50]	$ 9,312			$ 9,312
Investment, Identifier [Axis]: ZRG Partners, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.75%	[19],[20],[23]		11.75%	[19],[20],[23]		11.75%	[17],[18],[26]
Spread		5.00%	[19],[20],[21],[23]		5.00%	[19],[20],[21],[23]		5.00%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 6,601
Ending balance	[5],[19],[20],[23]	$ 7,643			$ 7,643
Investment, Identifier [Axis]: ZRG Partners, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.73%	[19],[20],[23],[50]		9.73%	[19],[20],[23],[50]		9.69%	[17],[18],[26],[53]
Spread		6.00%	[19],[20],[21],[23],[50]		6.00%	[19],[20],[21],[23],[50]		6.00%	[17],[18],[24],[26],[53]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26],[53]				$ 11,781
Ending balance	[5],[19],[20],[23],[50]	$ 15,879			$ 15,879
Investment, Identifier [Axis]: ZRG Partners, LLC | Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		9.85%	[19],[20],[23]		9.85%	[19],[20],[23]		9.60%	[17],[18],[26]
Spread		6.00%	[19],[20],[21],[23]		6.00%	[19],[20],[21],[23]		6.00%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 6,502
Ending balance	[5],[19],[20],[23]	$ 6,469			$ 6,469
Investment, Identifier [Axis]: ZRG Partners, LLC | Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		9.68%	[19],[20],[23],[50]		9.68%	[19],[20],[23],[50]		9.73%	[17],[18],[26]
Spread		6.00%	[19],[20],[21],[23],[50]		6.00%	[19],[20],[21],[23],[50]		6.00%	[17],[18],[24],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[17],[18],[26]				$ 46,518
Ending balance	[5],[19],[20],[23],[50]	$ 7,519			$ 7,519
Investment, Identifier [Axis]: ZRG Partners, LLC | Secured Debt 5
Schedule of Investments [Line Items]
Total Rate	[19],[20],[23]	9.70%			9.70%
Spread	[19],[20],[21],[23]	6.00%			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[5],[19],[20],[23]	$ 46,252			$ 46,252
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC | Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(50)		(270)
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					50	[2],[7]	320
Gross Additions					0		0
Gross Reductions					50		270
Ending balance		$ 0	[5],[8]	$ 50	$ 0	[5],[8]	$ 50
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC | Secured Debt
Schedule of Investments [Line Items]
Total Rate				12.00%			12.00%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							107
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							1,750
Gross Additions							0
Gross Reductions							0
Ending balance				$ 1,750			1,750
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC | Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%	[8]		12.00%	[8]		12.00%	[7]
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					9
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7]				150
Gross Additions					0
Gross Reductions					0
Ending balance	[5],[8]	$ 150			$ 150
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC | Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%	[8]		12.00%	[8]		12.00%	[7]
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					(54)
Amount of Interest, Fees or Dividends Credited to Income					106
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[2],[7]				1,687
Gross Additions					0
Gross Reductions					54
Ending balance	[5],[8]	$ 1,633			$ 1,633
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC | Warrants
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							0
Gross Reductions							0
Ending balance				$ 0			$ 0
[1] All portfolio company headquarters are based in the U.S., unless otherwise noted. [2] Investment Fair Value was determined using significant unobservable inputs, unless otherwise noted. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for further discussion. Negative fair value is the result of the capitalized discount on the loan or the unfunded commitment being valued below par. [3] All investments are LMM portfolio investments, unless otherwise noted. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of LMM portfolio investments. All of the Company’s investments, unless otherwise noted, are encumbered either as security for the Corporate Facility or SPV Facility or in support of the debentures guaranteed by the SBA and issued by the Funds. [4] All portfolio company headquarters are based in the U.S., unless otherwise noted. [5] Investment Fair Value was determined using significant unobservable inputs, unless otherwise noted. See Note C — Fair Value Hierarchy for Investments —Portfolio Composition for further discussion. Negative fair value is the result of the capitalized discount on the loan or the unfunded commitment being valued below par. [6] All investments are LMM (as defined below) portfolio investments, unless otherwise noted. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of LMM portfolio investments. All of the Company’s investments, unless otherwise noted, are encumbered either as security for the Corporate Facility or SPV Facility (each as defined below) or in support of the debentures guaranteed by the SBA (as defined below) and issued by the Funds (as defined below). [7] “Control” investments are defined by the 1940 Act as investments in which more than 25% of the voting securities are owned or where the ability to nominate greater than 50% of the board representation is maintained. [8] “Control” investments are defined by the 1940 Act as investments in which more than 25% of the voting securities are owned or where the ability to nominate greater than 50% of the board representation is maintained. [9] “Affiliate” investments are defined by the 1940 Act as investments in which between 5% and 25% (inclusive) of the voting securities are owned and the investments are not classified as Control investments. [10] Middle Market portfolio investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Middle Market portfolio investments. [11] “Affiliate” investments are defined by the 1940 Act as investments in which between 5% and 25% (inclusive) of the voting securities are owned and the investments are not classified as Control investments. [12] Middle Market (as defined below) portfolio investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Middle Market portfolio investments. [13] Investments may have a portion, or all, of their income received from Payment-in-Kind (“PIK”) interest or dividends. PIK interest income and cumulative dividend income represent income not paid currently in cash. The difference between the Total Rate and PIK Rate represents the cash rate as of June 30, 2026. [14] Investments may have a portion, or all, of their income received from PIK interest or dividends. PIK interest income and cumulative dividend income represent income not paid currently in cash. The difference between the Total Rate and PIK Rate represents the cash rate as of December 31, 2025. [15] Non-accrual or non-income producing debt investment. [16] Debt investment currently on non-accrual status. [17] Private Loan portfolio investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Private Loan portfolio investments. [18] “Non-Control/Non-Affiliate” investments are defined by the 1940 Act as investments that are neither Control investments nor Affiliate investments. [19] Private Loan (as defined below) portfolio investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Private Loan portfolio investments. [20] “Non-Control/Non-Affiliate” investments are defined by the 1940 Act as investments that are neither Control investments nor Affiliate investments. [21] A majority of the variable rate loans in the Investment Portfolio (as defined below) bear interest at a rate that may be determined by reference to either SOFR (“SF”) or an alternate base rate (commonly based on the federal funds rate or the Prime rate (“P”)), which typically resets every one, three, or six months at the borrower’s option. SOFR based contracts may include a credit spread adjustment (the “Adjustment”) that is charged in addition to the stated spread. The Adjustment is applied when the SOFR, plus the Adjustment, exceeds the stated floor rate, as applicable. As of June 30, 2026, SOFR based contracts in the portfolio had Adjustments ranging from 0.10% to 0.26%. [22] The position is unfunded and no interest income is being earned as of June 30, 2026. The position may earn a nominal unused facility fee on committed amounts. [23] Index based floating interest rate is subject to contractual minimum interest rate. As noted in this schedule, 96% of the loans (based on the par amount) contain Term Secured Overnight Financing Rate (“SOFR”) floors which range between 0.50% and 5.25%, with a weighted-average floor of 1.28%. [24] A majority of the variable rate loans in the Investment Portfolio bear interest at a rate that may be determined by reference to either SOFR (“SF”) or an alternate base rate (commonly based on the federal funds rate or the Prime rate (“P”)), which typically resets every one, three, or six months at the borrower’s option. SOFR based contracts may include a credit spread adjustment (the “Adjustment”) that is charged in addition to the stated spread. The Adjustment is applied when the SOFR, plus the Adjustment, exceeds the stated floor rate, as applicable. As of December 31, 2025, SOFR based contracts in the portfolio had Adjustments ranging from 0.10% to 0.26%. [25] The position is unfunded and no interest income is being earned as of December 31, 2025. The position may earn a nominal unused facility fee on committed amounts. [26] Index based floating interest rate is subject to contractual minimum interest rate. As noted in this schedule, 96% of the loans (based on the par amount) contain Term SOFR floors which range between 0.50% and 5.25%, with a weighted-average floor of 1.31%. [27] Income producing through dividends or distributions. [28] Income producing through dividends or distributions. [29] Maturity date is under on-going negotiations with the portfolio company and other lenders, if applicable. [30] Revolving line of credit facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2025. [31] (33)Index based floating interest rate is subject to contractual maximum base rate of 3.00%. [32] Index based floating interest rate is subject to contractual maximum base rate of 3.00%. [33] Warrants are presented in equivalent shares/units with a strike price of $0.01 per share/unit. [34] (27)Warrants are presented in equivalent shares/units with a strike price of $0.01 per share/unit. [35] Revolving line of credit facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of June 30, 2026. [36] Shares/Units represent ownership in a related real estate or holding entity. [37] (29)Shares/Units represent ownership in a related real estate or holding entity. [38] Maturity date is under on-going negotiations with the portfolio company and other lenders, if applicable. [39] The Company has entered into an intercreditor agreement that entitles the Company to the “last out” tranche of the first lien secured loans, whereby the “first out” tranche will receive priority as to the “last out” tranche with respect to payments of principal, interest, and any other amounts due thereunder. Therefore, the Company receives a higher interest rate than the contractual stated interest rate of SOFR+7.50% (Floor 1.50%) per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate. [40] The Company has entered into an intercreditor agreement that entitles the Company to the “last out” tranche of the first lien secured loans, whereby the “first out” tranche will receive priority as to the “last out” tranche with respect to payments of principal, interest, and any other amounts due thereunder. Therefore, the Company receives a higher interest rate than the contractual stated interest rate of SOFR+6.50% (Floor 1.50%) per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate. [41] Investment is not a qualifying asset as defined under Section 55(a) of the 1940 Act. Qualifying assets must represent at least 70% of total assets at the time of acquisition of any additional non-qualifying assets. [42] Portfolio company headquarters are located outside of the U.S. [43] Investment is not a qualifying asset as defined under Section 55(a) of the 1940 Act (as defined below). Qualifying assets must represent at least 70% of total assets at the time of acquisition of any additional non-qualifying assets. [44] Portfolio company headquarters are located outside of the U.S. [45] Investment is not unitized. Presentation is made in percent of fully diluted ownership unless otherwise indicated. [46] Other Portfolio investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Other Portfolio investments. [47] (30)Investment is not unitized. Presentation is made in percent of fully diluted ownership unless otherwise indicated. [48] Other Portfolio (as defined below) investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Other Portfolio investments. [49] Non-income producing debt investment. [50] Each new draw or funding on the facility has a different floating rate reset date. The rate presented represents a weighted-average rate for borrowings under the facility, as of June 30, 2026. [51] (34)Index based floating interest rate is subject to contractual maximum base rate of 4.00%. [52] Index based floating interest rate is subject to contractual maximum base rate of 4.00%. [53] Each new draw or funding on the facility has a different floating rate reset date. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2025. [54] Investment is accruing income at the fixed cash rate of 2.50% as of December 31, 2025. [55] External Investment Manager. Investment is not encumbered as security for the Credit Facilities or in support of the SBA-guaranteed debentures issued by the Funds. [56] External Investment Manager (as defined below). Investment is not encumbered as security for the Credit Facilities (as defined below) or in support of the SBA-guaranteed debentures issued by the Funds. [57] The Company has entered into an intercreditor agreement that entitles the Company to the “last out” tranche of the first lien secured loans, whereby the “first out” tranche will receive priority as to the “last out” tranche with respect to payments of principal, interest, and any other amounts due thereunder. Therefore, the Company receives a higher interest rate than the contractual stated interest rate of 11.80% per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate. [58] The Company has entered into an intercreditor agreement that entitles the Company to the “last out” tranche of the first lien secured loans, whereby the “first out” tranche will receive priority as to the “last out” tranche with respect to payments of principal, interest, and any other amounts due thereunder. Therefore, the Company receives a higher interest rate than the contractual stated interest rate of 11.80% per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate.