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

v3.23.1

Consolidated Schedule of Investments In and Advances to Affiliates (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2023		Mar. 31, 2022	Dec. 31, 2022
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		$ (28,379)		$ 3,336
Amount of Unrealized Gain/(Loss)		35,118		14,752
Control investments
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		(2,966)		0
Amount of Unrealized Gain/(Loss)		17,161		8,279
Amount of Interest, Fees or Dividends Credited to Income		48,862		32,577
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,703,172		1,489,257
Gross Additions		83,687		122,644
Gross Reductions		55,770		119,115
Ending balance		1,746,003		1,486,663
Control investments | Midwest
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 444,151		$ 338,390
Net assets, percentage		25.40%		22.80%
Control investments | Northeast
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance				$ 134,636
Net assets, percentage				9.10%
Control investments | Southeast
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 49,003		$ 18,443
Net assets, percentage		2.80%		1.20%
Control investments | Southwest
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 639,016		$ 587,631
Net assets, percentage		36.60%		39.50%
Control investments | West
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 450,653		$ 407,563
Net assets, percentage		25.80%		27.40%
Control investments | Northeast Region and Canada
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 163,180
Net assets, percentage		9.30%
Affiliate investments
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		$ (26,264)		$ 692
Amount of Unrealized Gain/(Loss)		33,141		3,041
Amount of Interest, Fees or Dividends Credited to Income		17,456		13,917
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		618,359		549,214
Gross Additions		81,567		13,981
Gross Reductions		58,785		9,879
Ending balance		626,227		559,439
Affiliate investments | Midwest
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 77,468		$ 69,637
Net assets, percentage		12.40%		12.40%
Affiliate investments | Northeast
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance				$ 100,269
Net assets, percentage				17.90%
Affiliate investments | Southeast
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 200,667		$ 165,903
Net assets, percentage		32.00%		29.70%
Affiliate investments | Southwest
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 84,732		$ 107,324
Net assets, percentage		13.50%		19.20%
Affiliate investments | West
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 153,817		$ 116,306
Net assets, percentage		24.60%		20.80%
Affiliate investments | Northeast Region and Canada
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 109,543
Net assets, percentage		17.50%
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		$ 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		248		0
Gross Additions		0		244
Gross Reductions		0		0
Ending balance		248		244
Investment, Identifier [Axis]: 2717 MH, L.P., LP Interests (2717 MH, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		631		0
Amount of Unrealized Gain/(Loss)		(675)		189
Amount of Interest, Fees or Dividends Credited to Income		141		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		7,552		3,971
Gross Additions		1,031		346
Gross Reductions		1,574		0
Ending balance		7,009		4,317
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		2,079
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 0		$ 2,079
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate				18.00%	18.00%	[1]
PIK Rate				8.00%	18.00%	[1]
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				30
Amount of Interest, Fees or Dividends Credited to Income				478
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance				9,794
Gross Additions				250
Gross Reductions				0
Ending balance				10,044
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[2]	18.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		(6)
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		315
Gross Reductions		6
Ending balance		$ 309
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[2]	18.00%
PIK Rate	[2]	18.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		(268)
Amount of Interest, Fees or Dividends Credited to Income		572
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		11,550
Gross Additions		572
Gross Reductions		267
Ending balance		11,855
Investment, Identifier [Axis]: AAC Holdings, 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		1,940
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 0		1,940
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[3],[4]	13.00%
Spread		5.00%	[3],[4]		6.00%	[5],[6],[7],[8]
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.80%	[3],[4],[9],[10]		10.20%	[5],[6],[7]
Spread		6.00%	[3],[4],[9],[10]		6.00%	[5],[6],[7]
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.79%	[3],[4],[9]		10.58%	[5],[6],[7]
Spread		6.00%	[3],[4],[9]		6.00%	[5],[6],[7]
Investment, Identifier [Axis]: ADS Tactical, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.59%	[2],[4]		10.14%	[1],[7]
Spread		5.75%	[2],[4]		5.75%	[1],[7]
Investment, Identifier [Axis]: AFG Capital Group, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		$ 0		0
Amount of Unrealized Gain/(Loss)		0		610
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		9,400		7,740
Gross Additions		0		610
Gross Reductions		0		0
Ending balance		$ 9,400		$ 8,350
Investment, Identifier [Axis]: AFG Capital Group, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				10.00%
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				144
Gross Additions				0
Gross Reductions				86
Ending balance				58
Investment, Identifier [Axis]: AMEREQUIP LLC., Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.40%	[3],[4],[9],[11]		7.40%	[5],[6],[7],[8]
Investment, Identifier [Axis]: AMEREQUIP LLC., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.10%	[3],[4],[9]		11.72%	[5],[6],[7]
Spread		7.40%	[3],[4],[9]		7.40%	[5],[6],[7]
Investment, Identifier [Axis]: ASC Interests, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		$ 0		0
Amount of Unrealized Gain/(Loss)		(100)		80
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		720
Gross Additions		0		80
Gross Reductions		100		0
Ending balance		$ 700		$ 800
Investment, Identifier [Axis]: ASC Interests, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.00%		13.00%	13.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		13		7
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		400		200
Gross Additions		0		0
Gross Reductions		0		30
Ending balance		$ 400		$ 170
Investment, Identifier [Axis]: ASC Interests, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%		13.00%	13.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		54		59
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,649		1,636
Gross Additions		0		6
Gross Reductions		0		0
Ending balance		$ 1,649		1,642
Investment, Identifier [Axis]: ASK (Analytical Systems Keco Holdings, LLC), Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)				0
Amount of Unrealized Gain/(Loss)				(576)
Amount of Interest, Fees or Dividends Credited to Income				0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance				4,894
Gross Additions				0
Gross Reductions				576
Ending balance				$ 4,318
Investment, Identifier [Axis]: ASK (Analytical Systems Keco Holdings, LLC), Preferred Member Units 1
Schedule of Investments [Line Items]
Total Rate		14.13%
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
Investment, Identifier [Axis]: ASK (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)		84
Amount of Interest, Fees or Dividends Credited to Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,504
Gross Additions		84
Gross Reductions		0
Ending balance		$ 3,588
Investment, Identifier [Axis]: ASK (Analytical Systems Keco Holdings, LLC), Secured Debt
Schedule of Investments [Line Items]
Total Rate				12.00%
Spread				10.00%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				0
Amount of Interest, Fees or Dividends Credited to Income				170
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance				4,736
Gross Additions				23
Gross Reductions				70
Ending balance				$ 4,689
Investment, Identifier [Axis]: ASK (Analytical Systems Keco Holdings, LLC), Secured Debt 1
Schedule of Investments [Line Items]
Spread		10.00%
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		(3)
Gross Additions		1
Gross Reductions		0
Ending balance		$ (2)
Investment, Identifier [Axis]: ASK (Analytical Systems Keco Holdings, LLC), Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.75%
Spread		10.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		188
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,545
Gross Additions		20
Gross Reductions		70
Ending balance		4,495
Investment, Identifier [Axis]: ASK (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
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[3],[4]	11.39%
Spread		6.50%	[3],[4],[9]		5.50%	[5],[6],[7],[8]
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.09%	[3],[4],[9]		9.32%	[5],[6],[7]
Spread		5.50%	[3],[4],[9]		5.50%	[5],[6],[7]
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.09%	[3],[4],[9]		11.32%	[5],[6],[7]
Spread		7.50%	[3],[4],[9]		7.50%	[5],[6],[7]
Investment, Identifier [Axis]: ATS Workholding, 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		0
Gross Reductions		0
Ending balance		$ 0
Investment, Identifier [Axis]: ATS Workholding, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				5.00%
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				3,005
Gross Additions				0
Gross Reductions				0
Ending balance				$ 3,005
Investment, Identifier [Axis]: ATS Workholding, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		5.00%	[3],[12]		5.00%	[5],[13]
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		(132)
Amount of Interest, Fees or Dividends Credited to Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		634
Gross Additions		21
Gross Reductions		132
Ending balance		$ 523
Investment, Identifier [Axis]: ATS Workholding, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		5.00%	[3],[12]		5.00%	[5],[13]
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		(186)
Amount of Interest, Fees or Dividends Credited to Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,005
Gross Additions		0
Gross Reductions		185
Ending balance		820
Investment, Identifier [Axis]: ATX Networks Corp., Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		3,248
Amount of Unrealized Gain/(Loss)		(3,270)
Amount of Interest, Fees or Dividends Credited to Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,270
Gross Additions		3,248
Gross Reductions		6,518
Ending balance		$ 0
Investment, Identifier [Axis]: ATX Networks Corp., Secured Debt
Schedule of Investments [Line Items]
Total Rate				8.50%	12.23%	[1],[7]
Spread		7.50%		7.50%	7.50%	[1],[7]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(134)		230
Amount of Interest, Fees or Dividends Credited to Income		886		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		6,343		7,092
Gross Additions		575		230
Gross Reductions		6,918		0
Ending balance		$ 0		$ 7,322
Investment, Identifier [Axis]: ATX Networks Corp., Unsecured Debt
Schedule of Investments [Line Items]
Total Rate				10.00%	10.00%	[1]
PIK Rate		10.00%		10.00%	10.00%	[1]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(306)		82
Amount of Interest, Fees or Dividends Credited to Income		1,160		77
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,598		1,963
Gross Additions		1,160		159
Gross Reductions		3,758		0
Ending balance		$ 0		2,122
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[3],[4],[9]	12.52%
Spread		7.75%	[3],[4],[9]		7.25%	[5],[6],[7],[8]
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.61%	[3],[4],[9]		12.17%	[5],[6],[7]
Spread		7.75%	[3],[4],[9]		7.25%	[5],[6],[7]
Investment, Identifier [Axis]: Acousti Engineering Company of Florida, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.50%	[3],[4]		13.23%	[5],[7]
Spread		7.50%	[3],[4]		8.50%	[5],[7]
Investment, Identifier [Axis]: Acousti Engineering Company of Florida, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.50%	[3],[4]		13.23%	[5],[7]
Spread		7.50%	[3],[4]		8.50%	[5],[7]
Investment, Identifier [Axis]: Acousti Engineering Company of Florida, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		19.50%	[3],[4]		16.17%	[5],[7]
Spread		11.50%	[3],[4]		12.50%	[5],[7]
Investment, Identifier [Axis]: Acumera, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		14.13%	[3],[4]		13.88%	[5],[7]
Spread		9.50%	[3],[4]		9.50%	[5],[7]
Investment, Identifier [Axis]: Acumera, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.13%	[3],[4]		13.57%	[5],[7]
Spread		9.50%	[3],[4]		9.00%	[5],[7]
Investment, Identifier [Axis]: Acumera, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[3],[4]	14.13%
Spread	[3],[4]	9.50%
Investment, Identifier [Axis]: Adams Publishing Group, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.00%	[3],[4],[14]		10.00%	[5],[7],[15]
Spread		6.50%	[3],[4],[14]		6.00%	[5],[7],[15]
Investment, Identifier [Axis]: Adams Publishing Group, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%	[3],[4],[16]		10.00%	[5],[7],[15]
Spread		7.50%	[3],[4],[16]		7.50%	[5],[7],[15]
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[3],[4],[11]		6.00%	[5],[7],[8]
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.12%	[3],[4]		11.12%	[5],[7]
Spread		6.00%	[3],[4]		6.00%	[5],[7]
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.49%	[3],[4],[9]		10.46%	[5],[6],[7]
Spread		6.75%	[3],[4],[9]		6.75%	[5],[6],[7]
PIK Rate	[3],[4],[9]	1.00%
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.49%	[3],[4],[9]		12.46%	[5],[6],[7]
Spread		8.75%	[3],[4],[9]		8.75%	[5],[6],[7]
PIK Rate	[3],[4],[9]	1.00%
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		7.50%	[2],[12]		7.50%	[1],[13]
Spread		6.50%	[2],[12]		6.50%	[1],[13]
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		7.50%	[2],[4],[12]		7.50%	[1],[7],[13]
Spread		6.50%	[2],[4],[12]		6.50%	[1],[7],[13]
Investment, Identifier [Axis]: Amounts related to investments transferred to or from other 1940 Act classification during the period, Affiliate Investments
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				(6,123)
Gross Additions				0
Gross Reductions				0
Ending balance				0
Investment, Identifier [Axis]: Amounts related to investments transferred to or from other 1940 Act classification during the period, Control Investments
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		(171)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		(14,914)
Gross Additions		0
Gross Reductions		0
Ending balance		0
Investment, Identifier [Axis]: Amounts related to investments transferred to or from other 1940 Act classification during the period, Affiliate Investments
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		171
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		14,914
Gross Additions		0
Gross Reductions		0
Ending balance		$ 0
Investment, Identifier [Axis]: Amounts related to investments transferred to or from other 1940 Act classification during the period, Control Investments
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				(236)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance				6,123
Gross Additions				0
Gross Reductions				0
Ending balance				0
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Total Rate		14.13%			14.13%
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		10.00%	[4],[11]		10.00%	[7],[8]
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.75%	[4]		14.13%	[7]
Spread		10.00%	[4]		10.00%	[7]
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		14.83%	[3],[4],[9]		13.41%	[5],[7]
Spread		7.00%	[3],[4],[9]		9.00%	[5],[7]
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.83%	[3],[4],[9]		13.56%	[5],[7]
Spread		7.00%	[3],[4],[9]		9.00%	[5],[7]
Investment, Identifier [Axis]: Archer Systems, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[3],[4],[9],[11]		6.50%	[5],[6],[7],[8]
Investment, Identifier [Axis]: Archer Systems, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.72%	[3],[4],[9]		10.92%	[5],[6],[7]
Spread		6.00%	[3],[4],[9]		6.50%	[5],[6],[7]
Investment, Identifier [Axis]: Arrow International, Inc, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.15%	[3],[4],[17]		10.36%	[5],[6],[7],[18]
Spread		5.40%	[3],[4],[17]		6.60%	[5],[6],[7],[18]
Investment, Identifier [Axis]: BBB Tank Services, 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		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
Investment, Identifier [Axis]: BBB Tank Services, LLC, Preferred Stock (non-voting)
Schedule of Investments [Line Items]
Total Rate		15.00%			15.00%
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
Investment, Identifier [Axis]: BBB Tank Services, LLC, Unsecured Debt
Schedule of Investments [Line Items]
Total Rate				12.00%
Spread				11.00%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				(209)
Amount of Interest, Fees or Dividends Credited to Income				144
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance				2,507
Gross Additions				0
Gross Reductions				209
Ending balance				2,298
Investment, Identifier [Axis]: BBB Tank Services, LLC, Unsecured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.66%	[4],[19]		15.12%	[7],[20]
Spread		11.00%	[4],[19]		11.00%	[7],[20]
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		31
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		800
Gross Additions		0
Gross Reductions		0
Ending balance		$ 800
Investment, Identifier [Axis]: BBB Tank Services, LLC, Unsecured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.66%	[4],[19]		15.12%	[7],[20]
Spread		11.00%	[4],[19]		11.00%	[7],[20]
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		155
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,086
Gross Additions		0
Gross Reductions		0
Ending balance		2,086
Investment, Identifier [Axis]: Barfly Ventures, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		(280)		120
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,320		1,930
Gross Additions		0		120
Gross Reductions		283		0
Ending balance		$ 3,037		$ 2,050
Investment, Identifier [Axis]: Barfly Ventures, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		7.00%	[3]	7.00%	7.00%	[5]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		30		12
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		711		711
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		711		711
Investment, Identifier [Axis]: Batjer TopCo, 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				4,073
Gross Reductions				0
Ending balance				$ 4,073
Investment, Identifier [Axis]: Batjer TopCo, LLC, Preferred Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		2,055
Amount of Interest, Fees or Dividends Credited to Income		167
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,095
Gross Additions		2,055
Gross Reductions		0
Ending balance		6,150
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				11.00%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				0
Amount of Interest, Fees or Dividends Credited to Income				196
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance				0
Gross Additions				10,917
Gross Reductions				0
Ending balance				10,917
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		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		(8)
Gross Additions		1
Gross Reductions		0
Ending balance		$ (7)
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.00%
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		0
Gross Reductions		0
Ending balance		$ 0
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.00%			11.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		311
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		10,933
Gross Additions		9
Gross Reductions		450
Ending balance		$ 10,492
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units 1
Schedule of Investments [Line Items]
Total Rate		8.00%	[3],[21],[22]		8.00%	[5],[23],[24]
PIK Rate		8.00%	[3],[21],[22]		8.00%	[5],[23],[24]
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units 2
Schedule of Investments [Line Items]
PIK Rate		16.00%	[3],[11],[21],[22]		16.00%	[5],[8],[23],[24]
Investment, Identifier [Axis]: Berry Aviation, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%	[3]		12.00%	[5]
PIK Rate		1.50%	[3]		1.50%	[5]
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.00%	[3],[4],[9],[11]		1.00%	[5],[6],[7],[8]
PIK Rate		6.00%	[3],[4],[9],[11]		6.00%	[5],[6],[7],[8]
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.89%	[3],[4],[9]		11.40%	[5],[6],[7]
Spread		7.00%	[3],[4],[9]		1.00%	[5],[6],[7]
PIK Rate		6.00%	[3],[4],[9]		6.00%	[5],[6],[7]
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[2],[4]	15.50%
Spread		7.50%	[2],[4]		8.50%	[1],[7],[8]
PIK Rate	[2],[4]	14.50%
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.07%	[2],[4]		12.94%	[1],[7]
Spread		8.50%	[2],[4]		8.50%	[1],[7]
PIK Rate	[2],[4]	12.07%
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)		(200)		0
Amount of Interest, Fees or Dividends Credited to Income		29		40
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,970		4,830
Gross Additions		0		0
Gross Reductions		200		0
Ending balance		$ 2,770		$ 4,830
Investment, Identifier [Axis]: Boccella Precast Products LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.00%		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		8		8
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		320		320
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 320		320
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Class A 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				292
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance				10,194
Gross Additions				0
Gross Reductions				10,194
Ending balance				0
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Class B Preferred Member Units
Schedule of Investments [Line Items]
Total Rate		8.00%	[21]		8.00%	[23]
Amount of Realized Gain/(Loss)		$ 0		0
Amount of Unrealized Gain/(Loss)		0		2,760
Amount of Interest, Fees or Dividends Credited to Income		1,096		368
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		31,420		23,170
Gross Additions		0		2,760
Gross Reductions		0		0
Ending balance		$ 31,420		$ 25,930
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.91%	[4],[9],[25]	10.50%	13.39%	[6],[7],[26]
Spread		9.22%	[4],[9],[25]	9.00%	9.26%	[6],[7],[26]
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				(20)
Amount of Interest, Fees or Dividends Credited to Income				1,160
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance				39,000
Gross Additions				10,214
Gross Reductions				20
Ending balance				49,194
Investment, Identifier [Axis]: Bolder Panther Group, 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		0
Gross Additions		0
Gross Reductions		0
Ending balance		$ 0
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.91%
Spread		9.22%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		(36)
Amount of Interest, Fees or Dividends Credited to Income		3,431
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		99,194
Gross Additions		36
Gross Reductions		695
Ending balance		$ 98,535
Investment, Identifier [Axis]: Brainworks Software, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.50%	[4],[12],[19]		12.50%	[5],[7],[13],[20]
Spread		9.25%	[4],[12],[19]		9.25%	[5],[7],[13],[20]
Investment, Identifier [Axis]: Brainworks Software, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%	[4],[12],[19]		12.50%	[5],[7],[13],[20]
Spread		9.25%	[4],[12],[19]		9.25%	[5],[7],[13],[20]
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		$ 0		0
Amount of Unrealized Gain/(Loss)		(520)		70
Amount of Interest, Fees or Dividends Credited to Income		30		265
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		7,080		7,710
Gross Additions		0		70
Gross Reductions		520		0
Ending balance		$ 6,560		$ 7,780
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		14.66%	[4]	11.00%	14.12%	[7]
Spread		10.00%	[4]	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		212		224
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		5,964		8,037
Gross Additions		0		6
Gross Reductions		124		124
Ending balance		5,840		7,919
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		25		25
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,000		1,000
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 1,000		$ 1,000
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.00%		13.00%	13.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		286		286
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		8,813		8,813
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 8,813		$ 8,813
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%	[22]	13.00%	13.00%	[24]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		32		33
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,000		1,000
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		1,000		1,000
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Warrants
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)				0
Amount of Unrealized Gain/(Loss)				200
Amount of Interest, Fees or Dividends Credited to Income				0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance				4,060
Gross Additions				200
Gross Reductions				0
Ending balance				4,260
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Warrants 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		1,828
Gross Additions		0
Gross Reductions		0
Ending balance		1,828
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Warrants 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		2,512
Gross Additions		0
Gross Reductions		0
Ending balance		$ 2,512
Investment, Identifier [Axis]: Brightwood Capital Fund Investments - Fund V, LP Interests (Brightwood Capital Fund V, LP)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)				0
Amount of Unrealized Gain/(Loss)				139
Amount of Interest, Fees or Dividends Credited to Income				0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance				1,000
Gross Additions				639
Gross Reductions				0
Ending balance				$ 1,639
Investment, Identifier [Axis]: Buca C, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Total Rate		6.00%			6.00%
PIK Rate		6.00%			6.00%
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		0
Gross Reductions		0
Ending balance		$ 0
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%		12.25%	9.00%
Spread				11.25%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		521		540
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		12,337		14,370
Gross Additions		0		0
Gross Reductions		375		0
Ending balance		$ 11,962		14,370
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[3],[4]	9.83%
Spread		5.00%	[3],[4]		5.00%	[5],[7],[8]
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.63%	[3],[4]		8.91%	[5],[7]
Spread		5.00%	[3],[4]		5.00%	[5],[7]
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)		860		(1,740)
Amount of Interest, Fees or Dividends Credited to Income		1,235		412
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		49,002		50,620
Gross Additions		858		0
Gross Reductions		0		1,740
Ending balance		49,860		48,880
Investment, Identifier [Axis]: CMS Minerals Investments, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		(431)		192
Amount of Interest, Fees or Dividends Credited to Income		44		43
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,670		1,974
Gross Additions		0		192
Gross Reductions		435		109
Ending balance		$ 1,235		2,057
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[5],[7],[27]				11.99%
Spread	[5],[7],[27]				8.50%
PIK Rate	[5],[7],[27]				0.01%
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[3],[4]	13.14%
Spread	[3],[4]	6.50%
PIK Rate	[3],[4]	2.00%
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[3],[4]	13.14%
Spread	[3],[4]	6.50%
PIK Rate	[3],[4]	2.00%
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[3],[4]	13.33%
Spread	[3],[4]	6.50%
PIK Rate	[3],[4]	2.00%
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[3],[4]	13.23%
Spread	[3],[4]	6.50%
PIK Rate	[3],[4]	2.00%
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt 5
Schedule of Investments [Line Items]
Total Rate	[3],[4]	13.33%
Spread	[3],[4]	6.50%
PIK Rate	[3],[4]	2.00%
Investment, Identifier [Axis]: Café Brazil, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		$ 0		0
Amount of Unrealized Gain/(Loss)		(370)		60
Amount of Interest, Fees or Dividends Credited to Income		16		52
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,210		2,570
Gross Additions		0		60
Gross Reductions		370		0
Ending balance		1,840		2,630
Investment, Identifier [Axis]: California Splendor Holdings 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		63		357
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		25,495		9,510
Gross Additions		0		357
Gross Reductions		0		0
Ending balance		$ 25,495		9,867
Investment, Identifier [Axis]: California Splendor Holdings LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Total Rate		15.00%	[21]		15.00%	[23]
PIK Rate		15.00%	[21]		15.00%	[23]
Amount of Realized Gain/(Loss)		$ 0		0
Amount of Unrealized Gain/(Loss)		0		3,990
Amount of Interest, Fees or Dividends Credited to Income		150		63
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,994		13,275
Gross Additions		150		3,990
Gross Reductions		0		0
Ending balance		$ 4,144		$ 17,265
Investment, Identifier [Axis]: California Splendor Holdings LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		14.88%	[4]	11.00%	13.75%	[7]
Spread		10.00%	[4]	10.00%	10.00%	[7]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(3)		0
Amount of Interest, Fees or Dividends Credited to Income		1,045		787
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		28,000		27,915
Gross Additions		3		17
Gross Reductions		3		0
Ending balance		$ 28,000		27,932
Investment, Identifier [Axis]: Camin Cargo Control, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.34%	[2],[4],[9]		10.88%	[1],[7]
Spread		6.50%	[2],[4],[9]		6.50%	[1],[7]
Investment, Identifier [Axis]: Career Team Holdings, LLC, Class A Common 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				4,499
Gross Additions				0
Gross Reductions				0
Ending balance				$ 4,499
Investment, Identifier [Axis]: Career Team 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		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,500
Gross Additions		0
Gross Reductions		0
Ending balance		$ 4,500
Investment, Identifier [Axis]: Career Team Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				12.50%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				0
Amount of Interest, Fees or Dividends Credited to Income				645
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance				20,050
Gross Additions				10
Gross Reductions				0
Ending balance				20,060
Investment, Identifier [Axis]: Career Team Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[4],[11]		6.00%	[7],[8]
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		(9)
Gross Additions		1
Gross Reductions		1
Ending balance		$ (9)
Investment, Identifier [Axis]: Career Team 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)		0
Amount of Interest, Fees or Dividends Credited to Income		643
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		20,090
Gross Additions		10
Gross Reductions		0
Ending balance		$ 20,100
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[3],[4],[11]		6.00%	[5],[7],[8]
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.73%	[3],[4]		10.73%	[5],[7]
Spread		6.00%	[3],[4]		6.00%	[5],[7]
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.73%	[3],[4]		10.48%	[5],[7]
Spread		6.00%	[3],[4]		5.75%	[5],[7]
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		$ 0		0
Amount of Unrealized Gain/(Loss)		560		0
Amount of Interest, Fees or Dividends Credited to Income		30		30
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		8,700		5,840
Gross Additions		560		0
Gross Reductions		0		0
Ending balance		$ 9,260		$ 5,840
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				12.00%
Spread				10.00%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				0
Amount of Interest, Fees or Dividends Credited to Income				288
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance				8,864
Gross Additions				7
Gross Reductions				233
Ending balance				8,638
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		9.00%	[4],[11]		9.00%	[7],[8]
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		0
Gross Reductions		0
Ending balance		$ 0
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.75%	[4]		13.13%	[7]
Spread		9.00%	[4]		9.00%	[7]
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		517
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		14,954
Gross Additions		6
Gross Reductions		0
Ending balance		14,960
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)		(120)		0
Amount of Interest, Fees or Dividends Credited to Income		285		295
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		22,920		24,140
Gross Additions		0		0
Gross Reductions		120		0
Ending balance		22,800		24,140
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)		120		0
Amount of Interest, Fees or Dividends Credited to Income		23		17
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,710		1,540
Gross Additions		120		0
Gross Reductions		0		0
Ending balance		$ 2,830		$ 1,540
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				9.00%
Spread				8.00%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				(18)
Amount of Interest, Fees or Dividends Credited to Income				419
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance				17,817
Gross Additions				18
Gross Reductions				154
Ending balance				17,681
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[4],[9],[11]		6.00%	[7],[8]
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
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.86%	[4],[9]		12.13%	[7]
Spread		8.00%	[4],[9]		8.00%	[7]
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		(6)
Amount of Interest, Fees or Dividends Credited to Income		540
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		16,945
Gross Additions		6
Gross Reductions		6
Ending balance		16,945
Investment, Identifier [Axis]: Chandler Signs Holdings, LLC, Class A Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		210		160
Amount of Interest, Fees or Dividends Credited to Income		36		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,790		460
Gross Additions		210		160
Gross Reductions		0		0
Ending balance		$ 2,000		620
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.06%	[3],[4],[9],[28]		10.72%	[5],[6],[7],[29]
Spread		6.25%	[3],[4],[9],[28]		6.25%	[5],[6],[7],[29]
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.08%	[3],[4],[9],[28]		10.71%	[5],[6],[7],[30]
Spread		6.25%	[3],[4],[9],[28]		6.25%	[5],[6],[7],[30]
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[3],[4],[9]	11.14%
Spread	[3],[4],[9]	6.25%
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)		210		100
Amount of Interest, Fees or Dividends Credited to Income		196		209
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		13,340		13,990
Gross Additions		210		100
Gross Reductions		0		0
Ending balance		$ 13,550		$ 14,090
Investment, Identifier [Axis]: Charps, LLC, Unsecured Debt
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%	10.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(9)		(18)
Amount of Interest, Fees or Dividends Credited to Income		149		158
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		5,694		5,694
Gross Additions		9		18
Gross Reductions		9		18
Ending balance		5,694		5,694
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)				0
Amount of Unrealized Gain/(Loss)				80
Amount of Interest, Fees or Dividends Credited to Income				348
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance				10,780
Gross Additions				80
Gross Reductions				0
Ending balance				$ 10,860
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(1,050)
Amount of Interest, Fees or Dividends Credited to Income		50
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		8,220
Gross Additions		0
Gross Reductions		1,050
Ending balance		7,170
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		220
Amount of Interest, Fees or Dividends Credited to Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		610
Gross Additions		220
Gross Reductions		0
Ending balance		$ 830
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				10.50%
Spread		9.00%	[4],[9],[11]	9.50%	9.00%	[6],[7],[8]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		1		285
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		10,401
Gross Additions		0		10
Gross Reductions		0		0
Ending balance		$ 0		$ 10,411
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.79%	[4],[9]	10.00%	13.23%	[6],[7]
Spread		9.00%	[4],[9]		9.00%	[6],[7]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		369		27
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		10,440		1,071
Gross Additions		11		0
Gross Reductions		480		8
Ending balance		$ 9,971		1,063
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 3
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		26
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,039
Gross Additions		0
Gross Reductions		8
Ending balance		$ 1,031
Investment, Identifier [Axis]: Clarius BIGS, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		15.00%	[3],[12],[19]		15.00%	[5],[13],[20]
PIK Rate		15.00%	[3],[12],[19]		15.00%	[5],[13],[20]
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)		1,062		1,020
Amount of Interest, Fees or Dividends Credited to Income		780		352
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		24,637		15,260
Gross Additions		1,063		1,020
Gross Reductions		0		0
Ending balance		$ 25,700		$ 16,280
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.88%	[4]	7.00%	9.75%	[7]
Spread		6.00%	[4]	6.00%	6.00%	[7]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		127		159
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,560		4,000
Gross Additions		0		3,600
Gross Reductions		0		0
Ending balance		$ 4,560		$ 7,600
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		8.00%		8.00%	8.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(11)		(11)
Amount of Interest, Fees or Dividends Credited to Income		396		396
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		19,274		19,274
Gross Additions		11		11
Gross Reductions		11		11
Ending balance		19,274		19,274
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)		970		0
Amount of Interest, Fees or Dividends Credited to Income		29		687
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		58,180		47,640
Gross Additions		970		0
Gross Reductions		0		0
Ending balance		$ 59,150		$ 47,640
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate				12.25%
Spread				10.50%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				(23)
Amount of Interest, Fees or Dividends Credited to Income				1,380
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance				42,484
Gross Additions				2,888
Gross Reductions				2,890
Ending balance				42,482
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.50%	[4]		15.38%	[7]
Spread		10.50%	[4]		10.50%	[7]
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		11
Amount of Interest, Fees or Dividends Credited to Income		59
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,462
Gross Additions		13
Gross Reductions		421
Ending balance		$ 1,054
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.50%	[4]		15.38%	[7]
Spread		10.50%	[4]		10.50%	[7]
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		(20)
Amount of Interest, Fees or Dividends Credited to Income		1,577
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		40,801
Gross Additions		20
Gross Reductions		444
Ending balance		40,377
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)		(960)		0
Amount of Interest, Fees or Dividends Credited to Income		(1,273)		369
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		9,160		9,130
Gross Additions		0		0
Gross Reductions		960		0
Ending balance		8,200		$ 9,130
Investment, Identifier [Axis]: Colonial Electric Company LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				12.00%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				0
Amount of Interest, Fees or Dividends Credited to Income				745
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance				24,351
Gross Additions				16
Gross Reductions				316
Ending balance				24,051
Investment, Identifier [Axis]: Colonial Electric Company 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
Investment, Identifier [Axis]: Colonial Electric Company LLC, Secured Debt 2
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		704
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		23,151
Gross Additions		14
Gross Reductions		315
Ending balance		22,850
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)		(1,390)		1,610
Amount of Interest, Fees or Dividends Credited to Income		158		158
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		19,830		12,000
Gross Additions		0		1,610
Gross Reductions		1,390		0
Ending balance		$ 18,440		$ 13,610
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.75%	[4]	10.00%
Spread		9.00%	[4]	9.00%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				(8)
Amount of Interest, Fees or Dividends Credited to Income				159
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance				6,477
Gross Additions				8
Gross Reductions				688
Ending balance				5,797
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		9.00%			9.00%	[7],[8],[20]
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
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.75%			13.13%	[7]
Spread		9.00%			9.00%	[7]
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		(3)
Amount of Interest, Fees or Dividends Credited to Income		180
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		5,241
Gross Additions		3
Gross Reductions		375
Ending balance		$ 4,869
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.34%	[3],[4],[31]		12.56%	[5],[7],[32]
Spread		7.50%	[3],[4],[31]		8.00%	[5],[7],[32]
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.35%	[3],[4]		12.56%	[5],[7]
Spread		7.50%	[3],[4]		8.00%	[5],[7]
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
Amount of Unrealized Gain/(Loss)				0
Amount of Interest, Fees or Dividends Credited to Income				163
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance				9,959
Gross Additions				0
Gross Reductions				1,106
Ending balance				8,853
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
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		123
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		7,657
Gross Additions		0
Gross Reductions		876
Ending balance		6,781
Investment, Identifier [Axis]: Copper Trail Energy Fund I, LP - CTMH, LP Interests (CTMH, LP)
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		588		710
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		588		710
Investment, Identifier [Axis]: DMA Industries, 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		7,260		5,944
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 7,260		$ 5,944
Investment, Identifier [Axis]: DMA Industries, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%	12.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(11)		0
Amount of Interest, Fees or Dividends Credited to Income		647		647
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		21,200		20,993
Gross Additions		11		11
Gross Reductions		11		0
Ending balance		$ 21,200		21,004
Investment, Identifier [Axis]: DTE Enterprises, LLC, Class A Preferred Member Units
Schedule of Investments [Line Items]
Total Rate		8.00%	[3]		8.00%	[5]
PIK Rate		8.00%	[3]		8.00%	[5]
Investment, Identifier [Axis]: DTE Enterprises, LLC, Class AA Preferred Member Units (non-voting)
Schedule of Investments [Line Items]
Total Rate		10.00%	[3],[21]		10.00%	[5],[23]
PIK Rate		10.00%	[3],[21]		10.00%	[5],[23]
Investment, Identifier [Axis]: DTE Enterprises, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.50%	[3],[4],[11]		7.50%	[5],[7],[8]
Investment, Identifier [Axis]: DTE Enterprises, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.44%	[3],[4]		12.24%	[5],[7]
Spread		7.50%	[3],[4]		7.50%	[5],[7]
Investment, Identifier [Axis]: Dalton US Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.33%	[3],[4],[9],[33]		11.90%	[5],[6],[7]
Spread		7.50%	[3],[4],[9],[33]		8.00%	[5],[6],[7]
Investment, Identifier [Axis]: Dalton US Inc., Secured Debt 2
Schedule of Investments [Line Items]
Spread		7.50%	[3],[4],[9],[11]		8.00%	[5],[6],[7],[8]
Investment, Identifier [Axis]: Dalton US Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.26%	[3],[4],[9]		12.56%	[5],[6],[7]
Spread		7.50%	[3],[4],[9]		8.00%	[5],[6],[7]
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		60
Amount of Interest, Fees or Dividends Credited to Income		0		24
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,670		2,610
Gross Additions		0		60
Gross Reductions		0		0
Ending balance		$ 2,670		$ 2,670
Investment, Identifier [Axis]: Datacom, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				7.50%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				0
Amount of Interest, Fees or Dividends Credited to Income				209
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance				7,668
Gross Additions				43
Gross Reductions				68
Ending balance				7,643
Investment, Identifier [Axis]: Datacom, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		7.50%			7.50%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		223
Gross Additions		227
Gross Reductions		0
Ending balance		$ 450
Investment, Identifier [Axis]: Datacom, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%			7.50%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		254
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		7,789
Gross Additions		39
Gross Reductions		67
Ending balance		7,761
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		50		50
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		9,835		9,835
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 9,835		$ 9,835
Investment, Identifier [Axis]: Digital Products Holdings LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		14.75%	[4]	11.00%	14.13%	[7]
Spread		10.00%	[4]	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		564		466
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		15,523		16,801
Gross Additions		9		12
Gross Reductions		329		330
Ending balance		15,203		16,483
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)		(520)		4,100
Amount of Interest, Fees or Dividends Credited to Income		171		343
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		22,220		18,350
Gross Additions		0		4,100
Gross Reductions		520		0
Ending balance		21,700		$ 22,450
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate				12.00%
Spread				11.00%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				(18)
Amount of Interest, Fees or Dividends Credited to Income				752
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance				24,048
Gross Additions				21
Gross Reductions				332
Ending balance				23,737
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread	[7],[8]				11.00%
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		7
Gross Reductions		7
Ending balance		$ 0
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.00%			15.13%	[7]
Spread	[7]				11.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		(14)
Amount of Interest, Fees or Dividends Credited to Income		959
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		27,267
Gross Additions		14
Gross Reductions		405
Ending balance		26,876
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)		0		28
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,898		3,280
Gross Additions		0		28
Gross Reductions		0		0
Ending balance		2,898		3,308
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)		156		90
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		9,127		10,329
Gross Additions		156		90
Gross Reductions		0		0
Ending balance		9,283		10,419
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)		250		(290)
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,330		640
Gross Additions		250		0
Gross Reductions		0		290
Ending balance		$ 1,580		350
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		9.18%	[3],[4],[9]		9.18%	[5],[6],[7]
Spread		4.50%	[3],[4],[9]		4.50%	[5],[6],[7]
PIK Rate		9.18%	[3],[4],[9]		9.18%	[5],[6],[7]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.18%	[3],[4],[9]		11.18%	[5],[6],[7]
Spread		6.50%	[3],[4],[9]		6.50%	[5],[6],[7]
PIK Rate		11.18%	[3],[4],[9]		11.18%	[5],[6],[7]
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)		$ 14		2
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		19		27
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,013		547
Gross Additions		15		2
Gross Reductions		52		50
Ending balance		$ 976		499
Investment, Identifier [Axis]: EPIC Y-Grade Services, LP, Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.96%	[2],[4]		10.70%	[1],[7]
Spread		6.00%	[2],[4]		6.00%	[1],[7]
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.95%	[3],[4],[9]		11.73%	[5],[7]
Spread		8.00%	[3],[4],[9]		7.00%	[5],[7]
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.95%	[3],[4],[9]		11.73%	[5],[7]
Spread		8.00%	[3],[4],[9]		7.00%	[5],[7]
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.95%	[3],[4],[9]		11.73%	[5],[7]
Spread		8.00%	[3],[4],[9]		7.00%	[5],[7]
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Common 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		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		7,603
Gross Additions		0
Gross Reductions		0
Ending balance				7,603
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Common 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		1,558
Gross Additions		0
Gross Reductions		$ 0
Ending balance				1,558
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[4],[9],[11]		6.00%	[6],[7],[8]
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		(9)
Gross Additions		1
Gross Reductions		$ 0
Ending balance				(8)
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 2
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		573
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		18,594
Gross Additions		10
Gross Reductions		$ 0
Ending balance				18,604
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		9.00%			9.00%
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		6,294
Gross Additions		1
Gross Reductions		$ 11
Ending balance				6,284
Investment, Identifier [Axis]: Emerald Technologies Acquisition Co, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.97%	[2],[4],[9]		10.67%	[1],[6],[7]
Spread		6.25%	[2],[4],[9]		6.25%	[1],[6],[7]
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Energy Capital Fund IX, L.P.)
Schedule of Investments [Line Items]
Total Rate	[23],[34],[35],[36]				0.10%
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Energy Capital Fund VIII Co-Investors, L.P.)
Schedule of Investments [Line Items]
Total Rate	[23],[34],[35],[36]				0.38%
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Energy Capital Fund VIII, L.P.)
Schedule of Investments [Line Items]
Total Rate	[23],[34],[35],[36]				0.14%
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Energy Capital Fund X, L.P.)
Schedule of Investments [Line Items]
Total Rate	[23],[34],[35],[36]				0.15%
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Flatrock Midstream Fund II, L.P.)
Schedule of Investments [Line Items]
Total Rate	[34],[35],[36]				0.84%
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Flatrock Midstream Fund III, L.P.)
Schedule of Investments [Line Items]
Total Rate	[23],[34],[35],[36]				0.25%
Investment, Identifier [Axis]: Engineering Research & Consulting, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.43%	[3],[4],[9]		11.68%	[5],[6],[7]
Spread		6.50%	[3],[4],[9]		6.50%	[5],[6],[7]
Investment, Identifier [Axis]: Engineering Research & Consulting, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.43%	[3],[4],[9]		10.92%	[5],[6],[7]
Spread		6.50%	[3],[4],[9]		6.50%	[5],[6],[7]
Investment, Identifier [Axis]: Event Holdco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.73%	[3],[4],[9],[22]		10.67%	[5],[7],[24]
Spread		7.00%	[3],[4],[9],[22]		7.00%	[5],[7],[24]
Investment, Identifier [Axis]: Event Holdco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.73%	[3],[4],[9],[22]		10.67%	[5],[7],[24]
Spread		7.00%	[3],[4],[9],[22]		7.00%	[5],[7],[24]
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)		3,610		0
Amount of Interest, Fees or Dividends Credited to Income		538		280
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		17,580		10,400
Gross Additions		3,610		0
Gross Reductions		0		0
Ending balance		$ 21,190		$ 10,400
Investment, Identifier [Axis]: Flame King Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.25%	[4]	7.50%	10.75%	[7]
Spread		6.50%	[4]	6.50%	6.50%	[7]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(4)		0
Amount of Interest, Fees or Dividends Credited to Income		215		139
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		7,600		6,324
Gross Additions		4		1,204
Gross Reductions		4		0
Ending balance		$ 7,600		$ 7,528
Investment, Identifier [Axis]: Flame King Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.75%	[4]	12.00%	13.25%	[7]
Spread		9.00%	[4]	11.00%	9.00%	[7]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(11)		0
Amount of Interest, Fees or Dividends Credited to Income		730		647
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		21,200		20,996
Gross Additions		11		10
Gross Reductions		11		0
Ending balance		$ 21,200		21,006
Investment, Identifier [Axis]: Flip Electronics LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.55%	[3],[4],[9]		11.21%	[5],[6],[7]
Spread		7.50%	[3],[4],[9]		7.50%	[5],[6],[7]
Investment, Identifier [Axis]: Flip Electronics LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.55%	[3],[4],[9]		12.19%	[5],[6],[7]
Spread		7.50%	[3],[4],[9]		7.50%	[5],[6],[7]
Investment, Identifier [Axis]: Freeport Financial SBIC Fund LP, LP Interests (Freeport Financial SBIC Fund LP)
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		2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,483		6,078
Gross Additions		0		0
Gross Reductions		0		1,493
Ending balance		3,483		4,585
Investment, Identifier [Axis]: Freeport Financial SBIC Fund LP, 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		0
Amount of Interest, Fees or Dividends Credited to Income		134		108
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		5,848		7,231
Gross Additions