Main Street Capital Corporation Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Consolidated Schedule of Investments

Consolidated Schedule of Investments - USD ($) $ in Thousands		Jun. 30, 2024		Dec. 31, 2023		Jun. 30, 2023	Dec. 31, 2022
Schedule of Investments [Line Items]
Cost		$ 4,114,074	^[1]	$ 3,725,960	^[2]
Fair value		$ 4,737,511	^[3]	$ 4,286,271	^[4]
Investment owned, percent of net assets (as a percent)		183.50%		173.00%
Analytical Systems Keco Holdings, LLC
Schedule of Investments [Line Items]
Cost		$ 10,086		$ 10,246
Fair value		9,763		9,163
ASC Interests, LLC
Schedule of Investments [Line Items]
Cost		3,728		3,727
Fair value		2,304		2,363
ATS Workholding, LLC
Schedule of Investments [Line Items]
Cost		8,816	^[5]	8,647	^[6]
Fair value		499	^[5]	801	^[6]
Barfly Ventures, LLC
Schedule of Investments [Line Items]
Cost		2,295	^[5]	2,295	^[6]
Fair value		5,431	^[5]	4,851	^[6]
Batjer TopCo, LLC
Schedule of Investments [Line Items]
Cost		15,328		14,867
Fair value		$ 16,953		$ 16,995
Bolder Panther Group, LLC
Schedule of Investments [Line Items]
Spread (as a percent)		8.00%		8.00%
Cost		$ 116,385		$ 110,078
Fair value		137,546		127,576
Brewer Crane Holdings, LLC
Schedule of Investments [Line Items]
Cost		9,544		9,778
Fair value		10,564		11,118
Bridge Capital Solutions Corporation
Schedule of Investments [Line Items]
Cost		12,945		12,945
Fair value		15,043		15,103
California Splendor Holdings LLC
Schedule of Investments [Line Items]
Cost		49,211		43,341
Fair value		53,743		47,951
Centre Technologies Holdings, LLC
Schedule of Investments [Line Items]
Cost		26,361		23,634
Fair value		31,962		28,614
Chamberlin Holding LLC
Schedule of Investments [Line Items]
Cost		28,681		28,635
Fair value		48,800		47,800
Charps, LLC
Schedule of Investments [Line Items]
Cost		6,885		6,641
Fair value		21,274		21,384
Clad-Rex Steel, LLC
Schedule of Investments [Line Items]
Cost		16,712		17,353
Fair value		15,946		15,755
Cody Pools, Inc.
Schedule of Investments [Line Items]
Cost		49,077		50,348
Fair value		115,281		114,543
Colonial Electric Company LLC
Schedule of Investments [Line Items]
Cost		25,753		30,586
Fair value		29,880		31,707
CompareNetworks Topco, LLC
Schedule of Investments [Line Items]
Cost		5,072		5,429
Fair value		16,027		17,904
Compass Systems & Sales, LLC
Schedule of Investments [Line Items]
Cost		26,089		24,488
Fair value		26,585		24,488
Cybermedia Technologies, LLC
Schedule of Investments [Line Items]
Cost		42,449		43,389
Fair value		43,469		43,389
Datacom, LLC
Schedule of Investments [Line Items]
Cost		10,889		11,130
Fair value		7,993		8,104
Digital Products Holdings LLC
Schedule of Investments [Line Items]
Cost		22,839		24,259
Fair value		23,106		24,525
Direct Marketing Solutions, Inc.
Schedule of Investments [Line Items]
Cost		33,014		35,031
Fair value		44,323		47,516
Elgin AcquireCo, LLC
Schedule of Investments [Line Items]
Cost		31,692		32,161
Fair value		31,888		32,637
Gamber-Johnson Holdings, LLC
Schedule of Investments [Line Items]
Cost		66,765		71,505
Fair value		155,828		150,788
Garreco, LLC
Schedule of Investments [Line Items]
Cost		1,200		4,288
Fair value		1,580		4,668
GRT Rubber Technologies LLC
Schedule of Investments [Line Items]
Cost		56,585		55,819
Fair value		88,079		87,333
Gulf Publishing Holdings, LLC
Schedule of Investments [Line Items]
Cost		11,681		11,681
Fair value		1,948		4,744
Harris Preston Fund Investments
Schedule of Investments [Line Items]
Cost		4,034	^[7],[8]	3,593	^[9],[10]
Fair value		9,806	^[7],[8]	6,365	^[9],[10]
IG Investor, LLC
Schedule of Investments [Line Items]
Cost		50,465		51,299
Fair value		50,465		51,299
Jensen Jewelers of Idaho, LLC
Schedule of Investments [Line Items]
Cost		2,611		2,809
Fair value		14,130		14,418
JorVet Holdings, LLC
Schedule of Investments [Line Items]
Cost		35,607		36,224
Fair value		35,607		36,224
KBK Industries, LLC
Schedule of Investments [Line Items]
Cost		5,051		5,445
Fair value		29,120		27,470
Kickhaefer Manufacturing Company, LLC
Schedule of Investments [Line Items]
Cost		34,562		36,811
Fair value		35,750		35,999
Metalforming Holdings, LLC
Schedule of Investments [Line Items]
Cost		29,961		31,195
Fair value		31,730		31,158
MH Corbin Holding LLC
Schedule of Investments [Line Items]
Cost		15,640		15,800
Fair value		5,192		5,352
MS Private Loan Fund I, LP
Schedule of Investments [Line Items]
Cost		21,250	^[7],[8]	14,250	^[9],[10]
Fair value		21,469	^[7],[8]	14,527	^[9],[10]
MS Private Loan Fund II, LP
Schedule of Investments [Line Items]
Cost		53,133	^[7],[8]	24,928	^[9],[10]
Fair value		53,218	^[7],[8]	24,928	^[9],[10]
Mystic Logistics Holdings, LLC
Schedule of Investments [Line Items]
Cost		8,447		8,466
Fair value		31,846		32,136
Nello Industries Investco, LLC
Schedule of Investments [Line Items]
Cost		47,622
Fair value		47,622
NexRev LLC
Schedule of Investments [Line Items]
Cost		19,590		17,964
Fair value		19,621		16,101
NRP Jones, LLC
Schedule of Investments [Line Items]
Cost		5,797		5,797
Fair value		3,519		3,599
NuStep, LLC
Schedule of Investments [Line Items]
Cost		34,294		34,288
Fair value		37,382		36,416
OMi Topco, LLC
Schedule of Investments [Line Items]
Cost		13,028		13,762
Fair value		60,280		49,130
Orttech Holdings, LLC
Schedule of Investments [Line Items]
Cost		31,868		31,925
Fair value		37,020		39,090
Pearl Meyer Topco LLC
Schedule of Investments [Line Items]
Cost		83,675		64,054
Fair value		124,240		95,271
Pinnacle TopCo, LLC
Schedule of Investments [Line Items]
Cost		42,895		43,323
Fair value		45,685		43,323
PPL RVs, Inc.
Schedule of Investments [Line Items]
Cost		21,254		22,078
Fair value		35,405		37,225
Principle Environmental, LLC
Schedule of Investments [Line Items]
Cost		12,750		12,738
Fair value		17,151		17,089
Robbins Bros. Jewelry, Inc.
Schedule of Investments [Line Items]
Cost		44,525		44,953
Fair value		17,364		30,772
Tedder Industries, LLC
Schedule of Investments [Line Items]
Cost		27,510		27,510
Fair value		6,383		15,988
Televerde, LLC
Schedule of Investments [Line Items]
Cost		2,008		2,008
Fair value		4,363		6,528
Trantech Radiator Topco, LLC
Schedule of Investments [Line Items]
Cost		12,496		12,565
Fair value		17,690		20,660
Volusion, LLC
Schedule of Investments [Line Items]
Cost		25,205		27,322
Fair value		9,100		9,350
VVS Holdco LLC
Schedule of Investments [Line Items]
Cost		39,149		40,275
Fair value		39,149		40,275
Ziegler’s NYPD, LLC
Schedule of Investments [Line Items]
Cost		7,634		7,634
Fair value		3,105		3,475
AAC Holdings, Inc.
Schedule of Investments [Line Items]
Cost		19,515	^[11]	17,537	^[12]
Fair value		16,246	^[11]	14,313	^[12]
Boccella Precast Products LLC
Schedule of Investments [Line Items]
Cost		2,576		2,576
Fair value		575		2,310
Buca C, LLC
Schedule of Investments [Line Items]
Cost		22,180		21,750
Fair value		12,573		12,144
Career Team Holdings, LLC
Schedule of Investments [Line Items]
Cost		25,131		25,287
Fair value		25,131		25,287
DMA Industries, LLC
Schedule of Investments [Line Items]
Cost		26,279		24,629
Fair value		26,372		26,460
Dos Rios Partners
Schedule of Investments [Line Items]
Cost		8,132	^[7],[8]	8,318	^[9],[10]
Fair value		11,033	^[7],[8]	11,074	^[9],[10]
FCC Intermediate Holdco, LLC (Supplycore)
Schedule of Investments [Line Items]
Cost		32,611
Fair value		32,611
Freeport Financial Funds
Schedule of Investments [Line Items]
Cost		5,631	^[7],[8]	7,019	^[9],[10]
Fair value		5,252	^[7],[8]	6,716	^[9],[10]
GFG Group, LLC
Schedule of Investments [Line Items]
Cost		14,212		14,202
Fair value		19,155		20,805
Gulf Manufacturing, LLC
Schedule of Investments [Line Items]
Cost	^[7],[13]	42,560
Fair value	^[7],[13]	54,980
Harris Preston Fund Investments
Schedule of Investments [Line Items]
Cost		10,601	^[7],[8]	8,219	^[9],[10]
Fair value		14,548	^[7],[8]	10,863	^[9],[10]
Hawk Ridge Systems, LLC
Schedule of Investments [Line Items]
Cost		50,260		50,116
Fair value		66,356		65,610
Houston Plating and Coatings, LLC
Schedule of Investments [Line Items]
Cost		5,352		5,352
Fair value		6,150		6,220
Infinity X1 Holdings, LLC
Schedule of Investments [Line Items]
Cost		19,754		21,403
Fair value		19,754		21,403
Integral Energy Services
Schedule of Investments [Line Items]
Cost		14,398	^[5]	15,906	^[6]
Fair value		13,691	^[5]	14,351	^[6]
Iron-Main Investments, LLC
Schedule of Investments [Line Items]
Cost		47,272		48,885
Fair value		47,196		48,809
ITA Holdings Group, LLC
Schedule of Investments [Line Items]
Cost		11,193		10,464
Fair value		11,762		10,464
Johnson Downie Opco, LLC
Schedule of Investments [Line Items]
Cost		25,015		27,683
Fair value		34,577		33,827
Nebraska Vet AcquireCo, LLC
Schedule of Investments [Line Items]
Cost		70,091		43,116
Fair value		82,860		51,314
OnAsset Intelligence, Inc.
Schedule of Investments [Line Items]
Cost		12,683		12,683
Fair value		2,200		3,172
Oneliance, LLC
Schedule of Investments [Line Items]
Cost		6,306		6,539
Fair value		$ 6,850		$ 6,478
SI East, LLC
Schedule of Investments [Line Items]
Total Rate		11.75%		11.25%
Cost		$ 71,364		$ 56,928
Fair value		87,601		74,831
Slick Innovations, LLC
Schedule of Investments [Line Items]
Cost		17,900		11,801
Fair value		19,960		13,750
Student Resource Center, LLC
Schedule of Investments [Line Items]
Cost		4,884	^[5]	4,884	^[6]
Fair value		1,644	^[5]	3,190	^[6]
Superior Rigging & Erecting Co.
Schedule of Investments [Line Items]
Cost		4,500		24,927
Fair value		6,430		26,367
The Affiliati Network, LLC
Schedule of Investments [Line Items]
Cost		12,918		14,197
Fair value		12,789		14,069
UniTek Global Services, Inc.
Schedule of Investments [Line Items]
Cost		19,410	^[11]	18,942	^[12]
Fair value		12,711	^[11]	12,328	^[12]
Universal Wellhead Services Holdings, LLC
Schedule of Investments [Line Items]
Cost		5,032	^[5]	5,032	^[6]
Fair value		0	^[5]	150	^[6]
Urgent DSO LLC
Schedule of Investments [Line Items]
Cost		12,854
Fair value		12,854
World Micro Holdings, LLC
Schedule of Investments [Line Items]
Cost		15,885		15,873
Fair value		15,885		15,873
AB Centers Acquisition Corporation
Schedule of Investments [Line Items]
Cost		24,617	^[5]	22,440	^[6]
Fair value		25,245	^[5]	23,110	^[6]
Acumera, Inc.
Schedule of Investments [Line Items]
Cost		24,242	^[5]	24,524	^[6]
Fair value		24,591	^[5]	24,904	^[6]
Adams Publishing Group, LLC
Schedule of Investments [Line Items]
Cost		27,880	^[5]	29,009	^[6]
Fair value		26,835	^[5]	28,468	^[6]
American Health Staffing Group, Inc.
Schedule of Investments [Line Items]
Cost		6,479	^[5]	6,504	^[6]
Fair value		6,511	^[5]	6,542	^[6]
American Nuts, LLC
Schedule of Investments [Line Items]
Cost		33,031	^[5]	31,640	^[6]
Fair value		24,465	^[5]	23,268	^[6]
American Teleconferencing Services, Ltd.
Schedule of Investments [Line Items]
Cost		16,746	^[11]	16,686	^[12]
Fair value		450	^[11]	781	^[12]
ArborWorks, LLC
Schedule of Investments [Line Items]
Cost		25,703	^[5]	23,350	^[6]
Fair value		23,961	^[5]	23,116	^[6]
ATS Operating, LLC
Schedule of Investments [Line Items]
Cost		14,796	^[5]	14,400	^[6]
Fair value		14,796	^[5]	14,350	^[6]
AVEX Aviation Holdings, LLC
Schedule of Investments [Line Items]
Cost		24,559	^[5]	24,661	^[6]
Fair value		25,165	^[5]	24,934	^[6]
Berry Aviation, Inc.
Schedule of Investments [Line Items]
Cost		286	^[5]	0	^[6]
Fair value		998	^[5]	2,760	^[6]
Bettercloud, Inc.
Schedule of Investments [Line Items]
Cost		29,934	^[5]	28,944	^[6]
Fair value		28,825	^[5]	27,488	^[6]
Bluestem Brands, Inc.
Schedule of Investments [Line Items]
Cost		7,424	^[11]	5,998	^[12]
Fair value		6,341	^[11]	5,883	^[12]
Bond Brand Loyalty ULC
Schedule of Investments [Line Items]
Cost		13,067	^[5],[7],[13]	13,134	^[6],[9],[14]
Fair value		13,192	^[5],[7],[13]	13,285	^[6],[9],[14]
BP Loenbro Holdings Inc.
Schedule of Investments [Line Items]
Cost	^[5]	29,926
Fair value	^[5]	30,181
Brainworks Software, LLC
Schedule of Investments [Line Items]
Cost		7,817	^[5]	7,817	^[6]
Fair value		1,511	^[5]	1,836	^[6]
Brightwood Capital Fund Investments
Schedule of Investments [Line Items]
Cost		12,670	^[7],[8]	12,877	^[9],[10]
Fair value		10,633	^[7],[8]	10,886	^[9],[10]
Burning Glass Intermediate Holding Company, Inc.
Schedule of Investments [Line Items]
Cost		19,668	^[5]	19,900	^[6]
Fair value		19,885	^[5]	20,146	^[6]
CAI Software LLC
Schedule of Investments [Line Items]
Cost		2,142		1,789
Fair value		2,227		1,789
CaseWorthy, Inc.
Schedule of Investments [Line Items]
Cost		246	^[5]	14,171	^[6]
Fair value		490	^[5]	$ 14,273	^[6]
Channel Partners Intermediateco, LLC
Schedule of Investments [Line Items]
Spread (as a percent)				7.00%
Cost		47,260	^[5]	$ 44,769	^[6]
Fair value		45,154	^[5]	$ 43,690	^[6]
Computer Data Source, LLC
Schedule of Investments [Line Items]
Spread (as a percent)				8.00%
Cost		23,761	^[5]	$ 23,067	^[6]
Fair value		23,668	^[5]	22,605	^[6]
Coregistics Buyer LLC
Schedule of Investments [Line Items]
Cost	^[5],[13]	42,257
Fair value	^[5],[13]	42,257
CQ Fluency, LLC
Schedule of Investments [Line Items]
Cost		10,715	^[5]	10,788	^[6]
Fair value		10,887	^[5]	10,788	^[6]
Creative Foam Corporation
Schedule of Investments [Line Items]
Cost	^[5]	105,206
Fair value	^[5]	105,206
DTE Enterprises, LLC
Schedule of Investments [Line Items]
Cost		2,092	^[5]	2,060	^[6]
Fair value		855	^[5]	1,544	^[6]
Dynamic Communities, LLC
Schedule of Investments [Line Items]
Cost		4,172	^[5]	3,920	^[6]
Fair value		4,084	^[5]	3,831	^[6]
Eastern Wholesale Fence LLC
Schedule of Investments [Line Items]
Cost		27,584	^[5]	27,882	^[6]
Fair value		26,476	^[5]	26,994	^[6]
EnCap Energy Fund Investments
Schedule of Investments [Line Items]
Cost		29,750	^[7],[8]	25,431	^[9],[10]
Fair value		19,846	^[7],[8]	15,864	^[9],[10]
Engineering Research & Consulting, LLC
Schedule of Investments [Line Items]
Cost		16,143	^[5]	15,864	^[6]
Fair value		16,155	^[5]	16,134	^[6]
Escalent, Inc.
Schedule of Investments [Line Items]
Cost		26,186	^[5]	26,248	^[6]
Fair value		26,929	^[5]	27,008	^[6]
Event Holdco, LLC
Schedule of Investments [Line Items]
Cost		49,428	^[5]	47,575	^[6]
Fair value		49,404	^[5]	46,999	^[6]
Fuse, LLC
Schedule of Investments [Line Items]
Cost		2,066	^[11]	2,066	^[12]
Fair value		1,076	^[11]	1,320	^[12]
Garyline, LLC
Schedule of Investments [Line Items]
Cost		34,764	^[5]	31,979	^[6]
Fair value		35,800	^[5]	$ 31,979	^[6]
GS HVAM Intermediate, LLC
Schedule of Investments [Line Items]
Spread (as a percent)				6.50%
Cost		11,681	^[5]	$ 13,314	^[6]
Fair value		11,727	^[5]	$ 13,339	^[6]
GULF PACIFIC ACQUISITION, LLC
Schedule of Investments [Line Items]
Spread (as a percent)				5.75%
Cost		4,524	^[5]	$ 4,282	^[6]
Fair value		4,561	^[5]	4,370	^[6]
HDC/HW Intermediate Holdings
Schedule of Investments [Line Items]
Cost		2,977	^[5]	4,121	^[6]
Fair value		2,902	^[5]	3,742	^[6]
HEADLANDS OP-CO LLC
Schedule of Investments [Line Items]
Cost		30,831	^[5]	22,958	^[6]
Fair value		31,208	^[5]	23,307	^[6]
IG Parent Corporation
Schedule of Investments [Line Items]
Cost		14,926	^[11]	14,173	^[12]
Fair value		15,082	^[11]	$ 14,352	^[12]
Imaging Business Machines, L.L.C.
Schedule of Investments [Line Items]
Spread (as a percent)				7.00%
Cost		22,059	^[5]	$ 22,883	^[6]
Fair value		22,604	^[5]	23,318	^[6]
Insight Borrower Corporation
Schedule of Investments [Line Items]
Cost		14,515	^[5]	14,538	^[6]
Fair value		14,038	^[5]	$ 14,787	^[6]
Inspire Aesthetics Management, LLC
Schedule of Investments [Line Items]
Spread (as a percent)				8.00%
Cost		11,191	^[5]	$ 11,212	^[6]
Fair value		10,139	^[5]	$ 11,080	^[6]
Interface Security Systems, L.L.C
Schedule of Investments [Line Items]
Spread (as a percent)				10.00%
Cost		9,159	^[5]	$ 9,072	^[6]
Fair value		1,866	^[5]	2,212	^[6]
Invincible Boat Company, LLC.
Schedule of Investments [Line Items]
Cost		16,765	^[5]	17,263	^[6]
Fair value		16,515	^[5]	17,024	^[6]
Isagenix International, LLC
Schedule of Investments [Line Items]
Cost		2,784	^[11]	2,374	^[12]
Fair value		2,655	^[11]	$ 2,301	^[12]
Island Pump and Tank, LLC
Schedule of Investments [Line Items]
Cost	^[5]	5,100
Fair value	^[5]	5,100
Jackmont Hospitality, Inc.
Schedule of Investments [Line Items]
Spread (as a percent)				7.00%
Cost		3,267	^[5]	$ 2,907	^[6]
Fair value		4,036	^[5]	3,899	^[6]
JDC Power Services, LLC
Schedule of Investments [Line Items]
Cost	^[5]	51,338
Fair value	^[5]	51,338
Joerns Healthcare, LLC
Schedule of Investments [Line Items]
Cost		10,029	^[11]	10,857	^[12]
Fair value		3,375	^[11]	$ 2,354	^[12]
JTI Electrical & Mechanical, LLC
Schedule of Investments [Line Items]
Spread (as a percent)				6.00%
Cost		48,422	^[5]	$ 40,282	^[6]
Fair value		46,349	^[5]	40,847	^[6]
KMS, LLC
Schedule of Investments [Line Items]
Cost		8,342	^[5]	8,367	^[6]
Fair value		7,942	^[5]	7,725	^[6]
LL Management, Inc.
Schedule of Investments [Line Items]
Cost		29,211	^[5]	27,678	^[6]
Fair value		29,533	^[5]	27,759	^[6]
Mako Steel, LP
Schedule of Investments [Line Items]
Cost		18,988	^[5]	14,886	^[6]
Fair value		19,226	^[5]	15,049	^[6]
Microbe Formulas, LLC
Schedule of Investments [Line Items]
Cost		21,126	^[5]	21,804	^[6]
Fair value		21,403	^[5]	22,117	^[6]
Mini Melts of America, LLC
Schedule of Investments [Line Items]
Cost		12,430	^[5]	10,047	^[6]
Fair value		12,708	^[5]	10,047	^[6]
MonitorUS Holding, LLC
Schedule of Investments [Line Items]
Cost		32,643	^[5],[7],[13]	31,783	^[6],[9],[14]
Fair value		33,365	^[5],[7],[13]	32,993	^[6],[9],[14]
NinjaTrader, LLC
Schedule of Investments [Line Items]
Cost		28,312	^[5]	27,335	^[6]
Fair value		28,598	^[5]	27,681	^[6]
Obra Capital, Inc.
Schedule of Investments [Line Items]
Cost	^[5]	25,571
Fair value	^[5]	25,571
Power System Solutions
Schedule of Investments [Line Items]
Cost		25,055	^[5]	19,000	^[6]
Fair value		26,548	^[5]	19,414	^[6]
PrimeFlight Aviation Services
Schedule of Investments [Line Items]
Cost		10,009	^[5]	8,488	^[6]
Fair value		10,244	^[5]	$ 8,720	^[6]
PTL US Bidco, Inc
Schedule of Investments [Line Items]
Spread (as a percent)				7.25%
Cost		26,240	^[5],[7],[13]	$ 28,969	^[6],[9],[14]
Fair value		26,562	^[5],[7],[13]	29,261	^[6],[9],[14]
Purge Rite, LLC
Schedule of Investments [Line Items]
Cost		12,874	^[5]	12,844	^[6]
Fair value		13,340	^[5]	$ 12,844	^[6]
RA Outdoors LLC
Schedule of Investments [Line Items]
Spread (as a percent)				6.75%
Cost		14,572	^[5]	$ 14,096	^[6]
Fair value		14,008	^[5]	$ 13,284	^[6]
Richardson Sales Solutions
Schedule of Investments [Line Items]
Spread (as a percent)				6.50%
Cost		43,490	^[5]	$ 41,945	^[6]
Fair value		44,665	^[5]	42,485	^[6]
Roof Opco, LLC
Schedule of Investments [Line Items]
Cost		6,639	^[5]	6,648	^[6]
Fair value		6,696	^[5]	6,580	^[6]
Rug Doctor, LLC.
Schedule of Investments [Line Items]
Cost		13,555	^[5]	13,808	^[6]
Fair value		13,615	^[5]	13,830	^[6]
South Coast Terminals Holdings, LLC
Schedule of Investments [Line Items]
Cost		33,742	^[5]	35,730	^[6]
Fair value		34,040	^[5]	36,116	^[6]
SPAU Holdings, LLC
Schedule of Investments [Line Items]
Cost		17,592	^[5]	16,100	^[6]
Fair value		17,791	^[5]	16,228	^[6]
Stellant Systems, Inc.
Schedule of Investments [Line Items]
Cost		16,791	^[11]	16,192	^[12]
Fair value		17,141	^[11]	16,504	^[12]
Titan Meter Midco Corp.
Schedule of Investments [Line Items]
Cost	^[5]	34,084
Fair value	^[5]	34,518
U.S. TelePacific Corp.
Schedule of Investments [Line Items]
Cost		3,648	^[11]	3,605	^[12]
Fair value		4,025	^[11]	3,333	^[12]
Veregy Consolidated, Inc.
Schedule of Investments [Line Items]
Cost		17,227	^[11]	16,787	^[12]
Fair value		17,498	^[11]	15,367	^[12]
Vitesse Systems
Schedule of Investments [Line Items]
Cost	^[5]	46,624
Fair value	^[5]	47,372
Wall Street Prep, Inc.
Schedule of Investments [Line Items]
Cost		3,782	^[5]	4,081	^[6]
Fair value		4,291	^[5]	$ 4,450	^[6]
Watterson Brands, LLC
Schedule of Investments [Line Items]
Spread (as a percent)				6.00%
Cost		30,786	^[5]	$ 30,510	^[6]
Fair value		31,054	^[5]	$ 30,832	^[6]
West Star Aviation Acquisition, LLC
Schedule of Investments [Line Items]
Spread (as a percent)				6.00%
Cost		19,538	^[5]	$ 19,617	^[6]
Fair value		22,854	^[5]	$ 21,356	^[6]
Winter Services LLC
Schedule of Investments [Line Items]
Spread (as a percent)				7.00%
Cost		16,673	^[5]	$ 13,427	^[6]
Fair value		16,720	^[5]	13,589	^[6]
Xenon Arc, Inc.
Schedule of Investments [Line Items]
Cost		60,840	^[5]	60,886	^[6]
Fair value		61,570	^[5]	$ 61,885	^[6]
Zips Car Wash, LLC
Schedule of Investments [Line Items]
Spread (as a percent)				7.25%
Cost		21,694	^[5]	$ 21,573	^[6]
Fair value		20,797	^[5]	20,447	^[6]
ZRG Partners, LLC
Schedule of Investments [Line Items]
Cost	^[5]	52,673
Fair value	^[5]	52,673
Classic H&G Holdings, LLC
Schedule of Investments [Line Items]
Cost				29,544
Fair value				39,834
AMEREQUIP LLC
Schedule of Investments [Line Items]
Cost	^[6]			29,754
Fair value	^[6]			$ 30,434
Industrial Services Acquisition, LLC
Schedule of Investments [Line Items]
Spread (as a percent)				6.75%
Cost	^[6]			$ 21,349
Fair value	^[6]			21,422
Infolinks Media Buyco, LLC
Schedule of Investments [Line Items]
Cost	^[6]			9,143
Fair value	^[6]			9,256
MB2 Dental Solutions, LLC
Schedule of Investments [Line Items]
Cost	^[12]			17,851
Fair value	^[12]			$ 17,988
Paragon Healthcare, Inc.
Schedule of Investments [Line Items]
Spread (as a percent)				5.75%
Cost	^[6]			$ 21,321
Fair value	^[6]			21,676
RTIC Subsidiary Holdings, LLC
Schedule of Investments [Line Items]
Cost	^[6]			15,368
Fair value	^[6]			15,044
USA DeBusk LLC
Schedule of Investments [Line Items]
Cost	^[6]			36,280
Fair value	^[6]			36,807
Money Market Funds
Schedule of Investments [Line Items]
Cost		5,885	^[1]	15,224	^[2],[15]
Fair value		5,885	^[3]	15,224	^[4],[15]
Control investments
Schedule of Investments [Line Items]
Cost		1,484,861	^[1],[16]	1,435,131	^[2],[17]
Fair value		$ 2,075,429	^[3],[16]	$ 2,006,698	^[4],[17]	$ 1,883,699	$ 1,703,172
Investment owned, percent of net assets (as a percent)		80.40%		81.00%
Affiliate investments
Schedule of Investments [Line Items]
Cost		$ 679,571	^[1],[18]	$ 575,894	^[2],[19]
Fair value		$ 752,764	^[3],[18]	$ 615,002	^[4],[19]	563,125	618,359
Investment owned, percent of net assets (as a percent)		29.20%		24.80%
Non‑Control/Non‑Affiliate investments
Schedule of Investments [Line Items]
Cost		$ 1,949,642	^[1],[20]	$ 1,714,935	^[2],[21]
Fair value		$ 1,909,318	^[3],[20]	$ 1,664,571	^[4],[21]
Investment owned, percent of net assets (as a percent)		74.00%		67.20%
Investment, Identifier [Axis]: 2717 MH, L.P., LP Interests (2717 GRE-LP, L.P.)
Schedule of Investments [Line Items]
Fair value		$ 441		$ 0
Investment, Identifier [Axis]: 2717 MH, L.P., LP Interests (2717 HPP-MS, L.P.)
Schedule of Investments [Line Items]
Fair value		374		315		315	248
Investment, Identifier [Axis]: 2717 MH, L.P., LP Interests (2717 MH, L.P.)
Schedule of Investments [Line Items]
Fair value		8,991		6,050		6,346	7,552
Investment, Identifier [Axis]: 423 HAR, LP, LP Interests (423 HAR, L.P.)
Schedule of Investments [Line Items]
Fair value		$ 1,048		$ 996		750	0
Investment, Identifier [Axis]: AAC Holdings, Inc., Common Stock
Schedule of Investments [Line Items]
Units (in shares)		654,743	^[11]	593,928	^[12]
Cost		$ 3,148	^[11]	$ 3,148	^[12]
Fair value		$ 0	^[11]	$ 0	^[12]	$ 0	0
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		18.00%	^[11]	18.00%	^[12]	18.00%
PIK Rate		18.00%	^[11]	18.00%	^[12]	18.00%
Principal		$ 481	^[11]	$ 423	^[12]
Cost		477	^[11]	419	^[12]
Fair value		$ 476	^[11]	$ 418	^[12]	$ 360	0
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		18.00%	^[11]	18.00%	^[12]	18.00%
PIK Rate		18.00%	^[11]	18.00%	^[12]	18.00%
Principal		$ 15,950	^[11]	$ 14,053	^[12]
Cost		15,890	^[11]	13,970	^[12]
Fair value		$ 15,770	^[11]	$ 13,895	^[12]	$ 12,141	11,550
Investment, Identifier [Axis]: AAC Holdings, Inc., Warrants
Schedule of Investments [Line Items]
Units (in shares)		574,598	^[11],[22]	554,353	^[12],[23]
Cost		$ 0	^[11],[22]	$ 0	^[12],[23]
Fair value		$ 0	^[11],[22]	$ 0	^[12],[23]	0	0
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		5.00%	^{[5],[24],[25]}	5.00%	^{[6],[26],[27]}
Principal		$ 0	^{[5],[24],[25]}	$ 0	^{[6],[26],[27]}
Cost		(55)	^{[5],[24],[25]}	(62)	^{[6],[26],[27]}
Fair value		$ 0	^{[5],[24],[25]}	$ 0	^{[6],[26],[27]}
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.44%	^{[5],[25],[28]}	11.43%	^[6],[27]
Spread (as a percent)		6.00%	^{[5],[25],[28]}	6.00%	^[6],[27]
Principal		$ 4,162	^{[5],[25],[28]}	$ 1,921	^[6],[27]
Cost		4,108	^{[5],[25],[28]}	1,894	^[6],[27]
Fair value		$ 4,162	^{[5],[25],[28]}	$ 1,921	^[6],[27]
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.44%	^[5],[25]	11.43%	^[6],[27]
Spread (as a percent)		6.00%	^[5],[25]	6.00%	^[6],[27]
Principal		$ 19,717	^[5],[25]	$ 19,817	^[6],[27]
Cost		19,258	^[5],[25]	19,303	^[6],[27]
Fair value		$ 19,717	^[5],[25]	$ 19,817	^[6],[27]
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		11.44%	^[5],[25]	11.43%	^[6],[27]
Spread (as a percent)		6.00%	^[5],[25]	6.00%	^[6],[27]
Principal		$ 1,366	^[5],[25]	$ 1,372	^[6],[27]
Cost		1,306	^[5],[25]	1,305	^[6],[27]
Fair value		$ 1,366	^[5],[25]	$ 1,372	^[6],[27]
Investment, Identifier [Axis]: ADS Tactical, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.25%	^[11],[25]	11.22%	^[12],[27]
Spread (as a percent)		4.75%	^[11],[25]	5.75%	^[12],[27]
Principal		$ 6,404	^[11],[25]	$ 10,952	^[12],[27]
Cost		6,365	^[11],[25]	10,856	^[12],[27]
Fair value		$ 6,431	^[11],[25]	$ 10,860	^[12],[27]
Investment, Identifier [Axis]: AFG Capital Group, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Fair value						0	9,400
Investment, Identifier [Axis]: AMEREQUIP LLC, Common Stock
Schedule of Investments [Line Items]
Units (in shares)		235	^[5],[29]	235	^[6],[30]
Cost		$ 1,844	^[5],[29]	$ 1,844	^[6],[30]
Fair value		$ 1,920	^[5],[29]	$ 2,120	^[6],[30]
Investment, Identifier [Axis]: AMEREQUIP LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)	^{[6],[26],[27]}			7.40%
Principal	^{[6],[26],[27]}			$ 0
Cost	^{[6],[26],[27]}			(108)
Fair value	^{[6],[26],[27]}			$ (108)
Investment, Identifier [Axis]: AMEREQUIP LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	^[6],[27]			12.76%
Spread (as a percent)	^[6],[27]			7.40%
Principal	^[6],[27]			$ 28,422
Cost	^[6],[27]			28,018
Fair value	^[6],[27]			$ 28,422
Investment, Identifier [Axis]: ASC Interests, LLC, Member Units
Schedule of Investments [Line Items]
Units (in shares)		1,500		1,500
Cost		$ 1,500		$ 1,500
Fair value		$ 40		$ 100		$ 510	800
Investment, Identifier [Axis]: ASC Interests, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		178		178
Cost		$ 178		$ 178
Fair value		$ 266		$ 266
Investment, Identifier [Axis]: ASC Interests, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.00%		13.00%		13.00%
Principal		$ 400		$ 400
Cost		400		400
Fair value		$ 400		$ 400		$ 400	400
Investment, Identifier [Axis]: ASC Interests, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%		13.00%		13.00%
Principal		$ 1,650		$ 1,650
Cost		1,650		1,649
Fair value		$ 1,598		$ 1,597		$ 1,597	1,649
Investment, Identifier [Axis]: ATS Operating, LLC, Common Stock
Schedule of Investments [Line Items]
Units (in shares)		720,000	^[5]	720,000	^[6]
Cost		$ 720	^[5]	$ 720	^[6]
Fair value		$ 720	^[5]	$ 670	^[6]
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.06%	^{[5],[25],[31]}	12.16%	^[6],[27]
Spread (as a percent)		6.50%	^{[5],[25],[31]}	6.50%	^[6],[27]
Principal		$ 756	^{[5],[25],[31]}	$ 360	^[6],[27]
Cost		756	^{[5],[25],[31]}	360	^[6],[27]
Fair value		$ 756	^{[5],[25],[31]}	$ 360	^[6],[27]
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.06%	^[5],[25]	11.16%	^[6],[27]
Spread (as a percent)		5.50%	^[5],[25]	5.50%	^[6],[27]
Principal		$ 6,660	^[5],[25]	$ 6,660	^[6],[27]
Cost		6,660	^[5],[25]	6,660	^[6],[27]
Fair value		$ 6,660	^[5],[25]	$ 6,660	^[6],[27]
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		13.06%	^[5],[25]	13.16%	^[6],[27]
Spread (as a percent)		7.50%	^[5],[25]	7.50%	^[6],[27]
Principal		$ 6,660	^[5],[25]	$ 6,660	^[6],[27]
Cost		6,660	^[5],[25]	6,660	^[6],[27]
Fair value		$ 6,660	^[5],[25]	$ 6,660	^[6],[27]
Investment, Identifier [Axis]: ATS Workholding, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		3,725,862	^[5]	3,725,862	^[6]
Cost		$ 3,726	^[5]	$ 3,726	^[6]
Fair value		$ 0	^[5]	$ 0	^[6]	$ 0	0
Investment, Identifier [Axis]: ATS Workholding, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		5.00%	^[5],[32]	5.00%	^[6],[33]	5.00%
Principal		$ 2,257	^[5],[32]	$ 2,090	^[6],[33]
Cost		2,249	^[5],[32]	2,080	^[6],[33]
Fair value		$ 214	^[5],[32]	$ 328	^[6],[33]	$ 483	634
Investment, Identifier [Axis]: ATS Workholding, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		5.00%	^[5],[32]	5.00%	^[6],[33]	5.00%
Principal		$ 3,015	^[5],[32]	$ 3,015	^[6],[33]
Cost		2,841	^[5],[32]	2,841	^[6],[33]
Fair value		$ 285	^[5],[32]	$ 473	^[6],[33]	$ 719	1,005
Investment, Identifier [Axis]: ATX Networks Corp., Common Stock
Schedule of Investments [Line Items]
Fair value						$ 0	3,270
Investment, Identifier [Axis]: ATX Networks Corp., Secured Debt
Schedule of Investments [Line Items]
Spread (as a percent)						7.50%
Fair value						$ 0	6,343
Investment, Identifier [Axis]: ATX Networks Corp., Unsecured Debt
Schedule of Investments [Line Items]
Fair value						0	2,598
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Common Equity
Schedule of Investments [Line Items]
Units (in shares)		984	^[5],[29]	984	^[6],[30]
Cost		$ 965	^[5],[29]	$ 965	^[6],[30]
Fair value		$ 892	^[5],[29]	$ 892	^[6],[30]
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		7.25%	^{[5],[24],[25]}	7.25%	^{[6],[26],[27]}
Principal		$ 0	^{[5],[24],[25]}	$ 0	^{[6],[26],[27]}
Cost		(105)	^{[5],[24],[25]}	(120)	^{[6],[26],[27]}
Fair value		$ (105)	^{[5],[24],[25]}	$ (38)	^{[6],[26],[27]}
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.74%	^[5],[25]	12.76%	^[6],[27]
Spread (as a percent)		7.25%	^[5],[25]	7.25%	^[6],[27]
Principal		$ 24,383	^[5],[25]	$ 24,602	^[6],[27]
Cost		23,699	^[5],[25]	23,816	^[6],[27]
Fair value		$ 24,378	^[5],[25]	$ 24,080	^[6],[27]
Investment, Identifier [Axis]: Acumera, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		7.00%	^{[5],[24],[25]}	7.50%	^{[6],[26],[27]}
Principal		$ 0	^{[5],[24],[25]}	$ 0	^{[6],[26],[27]}
Cost		(1)	^{[5],[24],[25]}	(2)	^{[6],[26],[27]}
Fair value		$ (1)	^{[5],[24],[25]}	$ (2)	^{[6],[26],[27]}
Investment, Identifier [Axis]: Acumera, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.44%	^[5],[25]	12.98%	^[6],[27]
Spread (as a percent)		7.00%	^[5],[25]	7.50%	^[6],[27]
Principal		$ 24,482	^[5],[25]	$ 24,796	^[6],[27]
Cost		24,243	^[5],[25]	24,526	^[6],[27]
Fair value		$ 24,482	^[5],[25]	$ 24,796	^[6],[27]
Investment, Identifier [Axis]: Acumera, Inc., Warrants
Schedule of Investments [Line Items]
Units (in shares)		17,525	^[5],[34]	17,525	^[6],[35]
Cost		$ 0	^[5],[34]	$ 0	^[6],[35]
Fair value		$ 110	^[5],[34]	$ 110	^[6],[35]
Investment, Identifier [Axis]: Adams Publishing Group, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.00%	^{[5],[25],[36]}	11.00%	^{[6],[27],[37]}
Spread (as a percent)		7.00%	^{[5],[25],[36]}	7.00%	^{[6],[27],[37]}
PIK Rate		1.00%	^{[5],[25],[36]}	1.00%	^{[6],[27],[37]}
Principal		$ 7,880	^{[5],[25],[36]}	$ 7,841	^{[6],[27],[37]}
Cost		7,880	^{[5],[25],[36]}	7,841	^{[6],[27],[37]}
Fair value		$ 7,582	^{[5],[25],[36]}	$ 7,684	^{[6],[27],[37]}
Investment, Identifier [Axis]: Adams Publishing Group, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.00%	^{[5],[25],[36]}	11.00%	^{[6],[27],[37]}
Spread (as a percent)		7.00%	^{[5],[25],[36]}	7.00%	^{[6],[27],[37]}
PIK Rate		1.00%	^{[5],[25],[36]}	1.00%	^{[6],[27],[37]}
Principal		$ 20,033	^{[5],[25],[36]}	$ 21,207	^{[6],[27],[37]}
Cost		20,000	^{[5],[25],[36]}	21,168	^{[6],[27],[37]}
Fair value		$ 19,253	^{[5],[25],[36]}	$ 20,784	^{[6],[27],[37]}
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		5.00%	^{[5],[24],[25]}	5.00%	^{[6],[26],[27]}
Principal		$ 0	^{[5],[24],[25]}	$ 0	^{[6],[26],[27]}
Cost		(6)	^{[5],[24],[25]}	(8)	^{[6],[26],[27]}
Fair value		$ (6)	^{[5],[24],[25]}	$ (8)	^{[6],[26],[27]}
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.61%	^[5],[25]	13.50%	^[6],[27]
Spread (as a percent)		6.00%	^[5],[25]	5.00%	^[6],[27]
Principal		$ 6,517	^[5],[25]	$ 6,550	^[6],[27]
Cost		6,485	^[5],[25]	6,512	^[6],[27]
Fair value		$ 6,517	^[5],[25]	$ 6,550	^[6],[27]
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.20%	^[5],[25]	15.29%	^[6],[27]
Spread (as a percent)		9.75%	^[5],[25]	9.75%	^[6],[27]
PIK Rate		15.20%	^[5],[25]	15.29%	^[6],[27]
Principal		$ 6,977	^[5],[25]	$ 6,462	^[6],[27]
Cost		6,938	^[5],[25]	6,413	^[6],[27]
Fair value		$ 5,787	^[5],[25]	$ 5,495	^[6],[27]
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.20%	^[5],[25]	15.29%	^[6],[27]
Spread (as a percent)		9.75%	^[5],[25]	9.75%	^[6],[27]
PIK Rate		15.20%	^[5],[25]	15.29%	^[6],[27]
Principal		$ 11,351	^[5],[25]	$ 10,507	^[6],[27]
Cost		11,279	^[5],[25]	10,413	^[6],[27]
Fair value		$ 9,416	^[5],[25]	$ 8,922	^[6],[27]
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		17.20%	^{[5],[25],[32]}	17.29%	^{[6],[27],[33]}
Spread (as a percent)		11.75%	^{[5],[25],[32]}	11.75%	^{[6],[27],[33]}
PIK Rate		17.20%	^{[5],[25],[32]}	17.29%	^{[6],[27],[33]}
Principal		$ 5,705	^{[5],[25],[32]}	$ 5,705	^{[6],[27],[33]}
Cost		5,645	^{[5],[25],[32]}	5,645	^{[6],[27],[33]}
Fair value		$ 3,526	^{[5],[25],[32]}	$ 3,369	^{[6],[27],[33]}
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		17.20%	^{[5],[25],[32]}	17.29%	^{[6],[27],[33]}
Spread (as a percent)		11.75%	^{[5],[25],[32]}	11.75%	^{[6],[27],[33]}
PIK Rate		17.20%	^{[5],[25],[32]}	17.29%	^{[6],[27],[33]}
Principal		$ 9,283	^{[5],[25],[32]}	$ 9,283	^{[6],[27],[33]}
Cost		9,169	^{[5],[25],[32]}	9,169	^{[6],[27],[33]}
Fair value		5,736	^{[5],[25],[32]}	5,482	^{[6],[27],[33]}
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt 1
Schedule of Investments [Line Items]
Principal		3,166	^{[11],[32],[38]}	2,980	^{[12],[33],[39]}
Cost		2,989	^{[11],[32],[38]}	2,980	^{[12],[33],[39]}
Fair value		76	^{[11],[32],[38]}	134	^{[12],[33],[39]}
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt 2
Schedule of Investments [Line Items]
Principal		15,489	^{[11],[32],[38]}	14,370	^{[12],[33],[39]}
Cost		13,757	^{[11],[32],[38]}	13,706	^{[12],[33],[39]}
Fair value		374	^{[11],[32],[38]}	647	^{[12],[33],[39]}
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]
Fair value		0		(60,384)		0	14,914
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]
Fair value		$ 0		$ 60,384		$ 0	(14,914)
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Units (in shares)		2,427		2,427
Total Rate						14.13%
Cost		$ 2,427		$ 2,427
Fair value		$ 5,620		4,860		$ 0	0
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 1.1
Schedule of Investments [Line Items]
Total Rate		14.13%
Fair value		$ 0		$ 0
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Units (in shares)		3,200		3,200
Total Rate		14.13%		14.13%
Cost		$ 3,200		$ 3,200
Fair value		0		0		$ 4,070	3,504
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 2.1
Schedule of Investments [Line Items]
Fair value		$ 5,620		$ 4,860
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.38%	^[25]	15.38%	^[27]
Spread (as a percent)		10.00%	^[25]	10.00%	^[27]	10.00%
Principal		$ 220	^[25]	$ 220	^[27]
Cost		220	^[25]	219	^[27]
Fair value		$ 220	^[25]	$ 219	^[27]	$ (2)	(3)
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.38%	^[25]	15.38%	^[27]	15.25%
Spread (as a percent)		10.00%	^[25]	10.00%	^[27]	10.00%
Principal		$ 3,930	^[25]	$ 4,125	^[27]
Cost		3,923	^[25]	4,084	^[27]
Fair value		$ 3,923	^[25]	$ 4,084	^[27]	$ 4,444	4,545
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Warrants
Schedule of Investments [Line Items]
Units (in shares)		420	^[22]	420	^[23]
Cost		$ 316	^[22]	$ 316	^[23]
Fair value		$ 0	^[22]	$ 0	^[23]	0	0
Investment, Identifier [Axis]: ArborWorks, LLC, Common Equity
Schedule of Investments [Line Items]
Units (in shares)		3,898	^[5]	3,898	^[6]
Cost		$ 234	^[5]	$ 234	^[6]
Fair value		$ 0	^[5]	$ 0	^[6]
Investment, Identifier [Axis]: ArborWorks, LLC, Preferred Equity 1
Schedule of Investments [Line Items]
Units (in shares)		32,507	^[5]	32,507	^[6]
Cost		$ 14,060	^[5]	$ 14,060	^[6]
Fair value		$ 12,552	^[5]	$ 14,060	^[6]
Investment, Identifier [Axis]: ArborWorks, LLC, Preferred Equity 2
Schedule of Investments [Line Items]
Units (in shares)		32,507	^[5]	32,507	^[6]
Cost		$ 0	^[5]	$ 0	^[6]
Fair value		$ 0	^[5]	$ 0	^[6]
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.00%	^[5],[25]	15.00%	^[6]
PIK Rate		15.00%	^[5],[25]	15.00%	^[6]
Principal		$ 3,817	^[5],[25]	$ 1,907	^[6]
Cost		3,817	^[5],[25]	1,907	^[6]
Fair value		$ 3,817	^[5],[25]	$ 1,907	^[6]
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.99%	^[5],[25]	12.04%	^[6],[27]
Spread (as a percent)		6.50%	^[5],[25]	6.50%	^[6],[27]
PIK Rate		11.99%	^[5],[25]	12.04%	^[6],[27]
Principal		$ 7,592	^[5],[25]	$ 7,149	^[6],[27]
Cost		7,592	^[5],[25]	7,149	^[6],[27]
Fair value		$ 7,592	^[5],[25]	$ 7,149	^[6],[27]
Investment, Identifier [Axis]: Archer Systems, LLC, Common Stock
Schedule of Investments [Line Items]
Units (in shares)		1,387,832	^[5]	1,387,832	^[6]
Cost		$ 1,388	^[5]	$ 1,388	^[6]
Fair value		$ 2,210	^[5]	$ 2,230	^[6]
Investment, Identifier [Axis]: BBB Tank Services, LLC, Member Units
Schedule of Investments [Line Items]
Fair value						$ 0	0
Investment, Identifier [Axis]: BBB Tank Services, LLC, Preferred Stock (non-voting)
Schedule of Investments [Line Items]
Total Rate						15.00%
Fair value						$ 0	0
Investment, Identifier [Axis]: BBB Tank Services, LLC, Unsecured Debt 1
Schedule of Investments [Line Items]
Total Rate						16.17%
Spread (as a percent)						11.00%
Fair value						$ 800	800
Investment, Identifier [Axis]: BBB Tank Services, LLC, Unsecured Debt 2
Schedule of Investments [Line Items]
Total Rate						16.17%
Spread (as a percent)						11.00%
Fair value						$ 2,202	2,086
Investment, Identifier [Axis]: BP Loenbro Holdings Inc., Common Equity
Schedule of Investments [Line Items]
Units (in shares)	^[5]	2,333,333
Cost	^[5]	$ 2,333
Fair value	^[5]	$ 2,333
Investment, Identifier [Axis]: BP Loenbro Holdings Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	^[5],[25]	11.44%
Spread (as a percent)	^[5],[25]	6.00%
Principal	^[5],[25]	$ 1,648
Cost	^[5],[25]	1,599
Fair value	^[5],[25]	$ 1,632
Investment, Identifier [Axis]: BP Loenbro Holdings Inc., Secured Debt 2
Schedule of Investments [Line Items]
Spread (as a percent)	^{[5],[24],[25]}	6.00%
Principal	^{[5],[24],[25]}	$ 0
Cost	^{[5],[24],[25]}	(25)
Fair value	^{[5],[24],[25]}	$ (25)
Investment, Identifier [Axis]: BP Loenbro Holdings Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	^[5],[25]	11.43%
Spread (as a percent)	^[5],[25]	6.00%
Principal	^[5],[25]	$ 26,506
Cost	^[5],[25]	26,019
Fair value	^[5],[25]	$ 26,241
Investment, Identifier [Axis]: Barfly Ventures, LLC, Member Units
Schedule of Investments [Line Items]
Units (in shares)		37	^[5],[29]	37	^[6]
Cost		$ 1,584	^[5],[29]	$ 1,584	^[6]
Fair value		$ 4,720	^[5],[29]	$ 4,140	^[6]	$ 3,040	3,320
Investment, Identifier [Axis]: Barfly Ventures, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		7.00%	^[5]	7.00%	^[6]	7.00%
Principal		$ 711	^[5]	$ 711	^[6]
Cost		711	^[5]	711	^[6]
Fair value		$ 711	^[5]	$ 711	^[6]	$ 711	711
Investment, Identifier [Axis]: Batjer TopCo, LLC, Preferred Stock
Schedule of Investments [Line Items]
Units (in shares)		4,073	^[29]	4,073	^[30]
Cost		$ 4,095	^[29]	$ 4,095	^[30]
Fair value		$ 5,720	^[29]	6,150	^[30]	6,150	4,095
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.00%
Principal		$ 450		0	^[26]
Cost		445		(6)	^[26]
Fair value		$ 445		$ 0	^[26]	0	(8)
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%
Principal		$ 270		$ 270
Cost		270		270
Fair value		$ 270		$ 270		$ 0	0
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%		10.00%
Principal		$ 10,575		$ 10,575
Cost		10,518		10,508
Fair value		$ 10,518		$ 10,575		$ 10,575	10,933
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units 1
Schedule of Investments [Line Items]
Units (in shares)		286,109	^[5]	122,416	^[6],[40]
Cost		$ 286	^[5]	$ 0	^[6],[40]
Fair value		$ 878	^[5]	$ 200	^[6],[40]
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units 2
Schedule of Investments [Line Items]
Units (in shares)		122,416	^[5],[41]	1,548,387	^{[6],[30],[40]}
Cost		$ 0	^[5],[41]	$ 0	^{[6],[30],[40]}
Fair value		$ 10	^[5],[41]	$ 2,560	^{[6],[30],[40]}
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units 3
Schedule of Investments [Line Items]
Units (in shares)	^[5],[41]	1,548,387
Cost	^[5],[41]	$ 0
Fair value	^[5],[41]	$ 110
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		10.25%	^{[5],[24],[25]}	7.25%	^{[6],[26],[27]}
Principal		$ 0	^{[5],[24],[25]}	$ 0	^{[6],[26],[27]}
Cost		(55)	^{[5],[24],[25]}	(62)	^{[6],[26],[27]}
Fair value		$ (55)	^{[5],[24],[25]}	$ (62)	^{[6],[26],[27]}
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.60%	^[5],[25]	12.64%	^[6],[27]
Spread (as a percent)		10.25%	^[5],[25]	7.25%	^[6],[27]
PIK Rate		9.25%	^[5],[25]	6.25%	^[6],[27]
Principal		$ 30,342	^[5],[25]	$ 29,403	^[6],[27]
Cost		29,989	^[5],[25]	29,006	^[6],[27]
Fair value		$ 28,880	^[5],[25]	$ 27,550	^[6],[27]
Investment, Identifier [Axis]: Binswanger Enterprises, LLC, Member Units
Schedule of Investments [Line Items]
Units (in shares)		1,050,000	^[5]	1,050,000	^[6]
Cost		$ 1,050	^[5]	$ 1,050	^[6]
Fair value		$ 580	^[5]	$ 120	^[6]
Investment, Identifier [Axis]: Bluestem Brands, Inc., Common Stock
Schedule of Investments [Line Items]
Units (in shares)		723,184	^[11]	723,184	^[12]
Cost		$ 1	^[11]	$ 1	^[12]
Fair value		$ 0	^[11]	$ 550	^[12]
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.94%	^[11]	16.00%	^[12],[27]
Spread (as a percent)		8.50%	^[11]	7.50%	^[12],[27]
PIK Rate		12.94%	^[11]	15.00%	^[12],[27]
Principal		$ 180	^[11]	$ 1,885	^[12],[27]
Cost		55	^[11]	1,885	^[12],[27]
Fair value		$ 164	^[11]	$ 1,767	^[12],[27]
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		16.00%	^[11],[25]	13.96%	^[12],[27]
Spread (as a percent)		7.50%	^[11],[25]	8.50%	^[12],[27]
PIK Rate		15.00%	^[11],[25]	12.96%	^[12],[27]
Principal		$ 2,828	^[11],[25]	$ 3,676	^[12],[27]
Cost		2,828	^[11],[25]	3,076	^[12],[27]
Fair value		$ 2,588	^[11],[25]	$ 3,446	^[12],[27]
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	^[11],[25]	13.94%
Spread (as a percent)	^[11],[25]	8.50%
PIK Rate	^[11],[25]	12.94%
Principal	^[11],[25]	$ 3,923
Cost	^[11],[25]	3,504
Fair value	^[11],[25]	$ 3,589
Investment, Identifier [Axis]: Bluestem Brands, Inc., Warrants
Schedule of Investments [Line Items]
Units (in shares)		163,295	^[11],[22]	163,295	^[12],[23]
Cost		$ 1,036	^[11],[22]	$ 1,036	^[12],[23]
Fair value		$ 0	^[11],[22]	$ 120	^[12],[23]
Investment, Identifier [Axis]: Boccella Precast Products LLC, Member Units
Schedule of Investments [Line Items]
Units (in shares)		2,160,000	^[29]	2,160,000
Cost		$ 2,256	^[29]	$ 2,256
Fair value		$ 310	^[29]	$ 1,990		$ 2,350	2,970
Investment, Identifier [Axis]: Boccella Precast Products LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%		10.00%
Principal		$ 320		$ 320
Cost		320		320
Fair value		$ 265		$ 320		$ 320	320
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Class B Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		140,000	^[29]	140,000	^[30]
Total Rate		8.00%	^[29]	8.00%	^[30]	8.00%
Cost		$ 14,000	^[29]	$ 14,000	^[30]
Fair value		$ 34,710	^[29]	$ 31,020	^[30]	$ 31,120	31,420
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.43%		14.48%	^[27],[42]
Spread (as a percent)		8.05%		9.11%	^[27],[42]
Principal	^[27],[42]			$ 96,556
Cost	^[27],[42]			96,078
Fair value		$ 102,836		96,556	^[27],[42]
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Principal	^[24]	0
Cost	^[24]	0
Fair value		$ 0	^[24]			$ 0	0
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.43%	^[25],[43]			14.37%
Spread (as a percent)		8.05%	^[25],[43]			9.19%
Principal	^[25],[43]	$ 102,836
Cost	^[25],[43]	102,385
Fair value		102,836	^[25],[43]			$ 97,875	99,194
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Fair value		$ 0		$ 0
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Common Equity
Schedule of Investments [Line Items]
Units (in shares)		571	^[5],[7],[13]	571	^[6],[9],[14]
Cost		$ 0	^[5],[7],[13]	$ 0	^[6],[9],[14]
Fair value		$ 0	^[5],[7],[13]	$ 0	^[6],[9],[14]
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Preferred Equity
Schedule of Investments [Line Items]
Units (in shares)		571	^[5],[7],[13]	571	^[6],[9],[14]
Cost		$ 571	^[5],[7],[13]	$ 571	^[6],[9],[14]
Fair value		$ 500	^[5],[7],[13]	$ 500	^[6],[9],[14]
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		7.00%	^{[5],[7],[13],[24],[25]}	7.00%	^{[6],[9],[14],[26],[27]}
Principal		$ 0	^{[5],[7],[13],[24],[25]}	$ 0	^{[6],[9],[14],[26],[27]}
Cost		(22)	^{[5],[7],[13],[24],[25]}	(25)	^{[6],[9],[14],[26],[27]}
Fair value		$ (22)	^{[5],[7],[13],[24],[25]}	$ (25)	^{[6],[9],[14],[26],[27]}
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.45%	^{[5],[7],[13],[25]}	11.54%	^{[6],[9],[14],[27]}
Spread (as a percent)		6.00%	^{[5],[7],[13],[25]}	6.00%	^{[6],[9],[14],[27]}
Principal		$ 6,357	^{[5],[7],[13],[25]}	$ 6,405	^{[6],[9],[14],[27]}
Cost		6,259	^{[5],[7],[13],[25]}	6,294	^{[6],[9],[14],[27]}
Fair value		$ 6,357	^{[5],[7],[13],[25]}	$ 6,405	^{[6],[9],[14],[27]}
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		13.45%	^{[5],[7],[13],[25]}	13.54%	^{[6],[9],[14],[27]}
Spread (as a percent)		8.00%	^{[5],[7],[13],[25]}	8.00%	^{[6],[9],[14],[27]}
Principal		$ 6,357	^{[5],[7],[13],[25]}	$ 6,405	^{[6],[9],[14],[27]}
Cost		6,259	^{[5],[7],[13],[25]}	6,294	^{[6],[9],[14],[27]}
Fair value		$ 6,357	^{[5],[7],[13],[25]}	$ 6,405	^{[6],[9],[14],[27]}
Investment, Identifier [Axis]: Brainworks Software, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.75%	^{[5],[25],[32],[38]}	15.75%	^{[6],[27],[33],[39]}
Spread (as a percent)		7.25%	^{[5],[25],[32],[38]}	7.25%	^{[6],[27],[33],[39]}
Principal		$ 761	^{[5],[25],[32],[38]}	$ 761	^{[6],[27],[33],[39]}
Cost		761	^{[5],[25],[32],[38]}	761	^{[6],[27],[33],[39]}
Fair value		$ 761	^{[5],[25],[32],[38]}	$ 761	^{[6],[27],[33],[39]}
Investment, Identifier [Axis]: Brainworks Software, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.75%	^{[5],[25],[32],[38]}	15.75%	^{[6],[27],[33],[39]}
Spread (as a percent)		7.25%	^{[5],[25],[32],[38]}	7.25%	^{[6],[27],[33],[39]}
Principal		$ 7,056	^{[5],[25],[32],[38]}	$ 7,056	^{[6],[27],[33],[39]}
Cost		7,056	^{[5],[25],[32],[38]}	7,056	^{[6],[27],[33],[39]}
Fair value		$ 750	^{[5],[25],[32],[38]}	$ 1,075	^{[6],[27],[33],[39]}
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		2,950	^[29]	2,950	^[30]
Cost		$ 4,280	^[29]	$ 4,280	^[30]
Fair value		$ 5,300	^[29]	$ 5,620	^[30]	$ 6,360	7,080
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		15.48%	^[25]	15.46%	^[27]	15.17%
Spread (as a percent)		10.00%	^[25]	10.00%	^[27]	10.00%
Principal		$ 5,264	^[25]	$ 5,498	^[27]
Cost		5,264	^[25]	5,498	^[27]
Fair value		$ 5,264	^[25]	$ 5,498	^[27]	$ 5,653	5,964
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		17,742	^[29],[41]	17,742	^[30],[40]
Cost		$ 1,000	^[29],[41]	$ 1,000	^[30],[40]
Fair value		$ 1,000	^[29],[41]	$ 1,000	^[30],[40]	$ 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%
Principal		$ 8,813		$ 8,813
Cost		8,813		8,813
Fair value		$ 8,813		$ 8,813		$ 8,813	8,813
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%		13.00%		13.00%
Principal		$ 1,000		$ 1,000
Cost		1,000		1,000
Fair value		$ 1,000		$ 1,000		$ 1,000	1,000
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Warrants
Schedule of Investments [Line Items]
Units (in shares)		82	^[22]	82	^[23]
Cost		$ 2,132	^[22]	$ 2,132	^[23]
Fair value		4,230	^[22]	4,290	^[23]
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Warrants 1
Schedule of Investments [Line Items]
Fair value		1,783		1,808		1,874	1,828
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Warrants 2
Schedule of Investments [Line Items]
Fair value		$ 2,447		$ 2,482		$ 2,576	2,512
Investment, Identifier [Axis]: Brightwood Capital Fund Investments, LP Interests (Brightwood Capital Fund III, LP)
Schedule of Investments [Line Items]
Units (as a percent)		1.59%	^[7],[8],[44]	1.55%	^{[9],[10],[45]}
Cost		$ 5,870	^[7],[8],[44]	$ 6,527	^{[9],[10],[45]}
Fair value		$ 3,614	^[7],[8],[44]	$ 4,080	^{[9],[10],[45]}
Investment, Identifier [Axis]: Brightwood Capital Fund Investments, LP Interests (Brightwood Capital Fund IV, LP)
Schedule of Investments [Line Items]
Units (as a percent)		0.59%	^{[7],[8],[29],[44]}	0.59%	^{[9],[10],[30],[45]}
Cost		$ 4,300	^{[7],[8],[29],[44]}	$ 4,350	^{[9],[10],[30],[45]}
Fair value		$ 4,308	^{[7],[8],[29],[44]}	$ 4,358	^{[9],[10],[30],[45]}
Investment, Identifier [Axis]: Brightwood Capital Fund Investments, LP Interests (Brightwood Capital Fund V, LP)
Schedule of Investments [Line Items]
Units (as a percent)		0.72%	^{[7],[8],[29],[44]}	0.82%	^{[9],[10],[30],[45]}
Cost		$ 2,500	^{[7],[8],[29],[44]}	$ 2,000	^{[9],[10],[30],[45]}
Fair value		$ 2,711	^{[7],[8],[29],[44]}	$ 2,448	^{[9],[10],[30],[45]}
Investment, Identifier [Axis]: Buca C, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		6		6
Total Rate		6.00%		6.00%		6.00%
PIK Rate		6.00%		6.00%		6.00%
Cost		$ 4,770		$ 4,770
Fair value		$ 0		$ 0		$ 0	0
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				12.00%	^[39]	12.00%
Principal	^[39]			$ 16,980
Cost	^[39]			16,980
Fair value				12,144	^[39]	$ 11,964	12,337
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		14.00%
PIK Rate		14.00%
Principal		$ 58
Cost		58
Fair value		$ 58
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		14.00%
PIK Rate		14.00%
Fair value		$ 12,515		12,144
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	^[32],[38]	14.00%
PIK Rate	^[32],[38]	14.00%
Principal	^[32],[38]	$ 20,080
Cost	^[32],[38]	17,352
Fair value	^[32],[38]	$ 12,515
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		14.00%
PIK Rate		14.00%
Fair value		$ 58		$ 0
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	^[6],[27]			10.46%
Spread (as a percent)		5.00%	^{[5],[24],[25]}	5.00%	^[6],[27]
Principal		$ 0	^{[5],[24],[25]}	$ 465	^[6],[27]
Cost		(16)	^{[5],[24],[25]}	445	^[6],[27]
Fair value		$ 0	^{[5],[24],[25]}	$ 465	^[6],[27]
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.44%	^[5],[25]	10.46%	^[6],[27]
Spread (as a percent)		5.00%	^[5],[25]	5.00%	^[6],[27]
Principal		$ 19,885	^[5],[25]	$ 19,681	^[6],[27]
Cost		19,684	^[5],[25]	19,455	^[6],[27]
Fair value		$ 19,885	^[5],[25]	$ 19,681	^[6],[27]
Investment, Identifier [Axis]: CAI Software LLC, Preferred Equity 1
Schedule of Investments [Line Items]
Units (in shares)		2,142,167		1,788,527
Cost		$ 2,142		$ 1,789
Fair value		$ 2,227		$ 1,789
Investment, Identifier [Axis]: CAI Software LLC, Preferred Equity 2
Schedule of Investments [Line Items]
Units (in shares)		596,176		596,176
Cost		$ 0		$ 0
Fair value		$ 0		$ 0
Investment, Identifier [Axis]: CBT Nuggets, LLC, Member Units
Schedule of Investments [Line Items]
Units (in shares)		416	^[29]	416	^[30]
Cost		$ 1,300	^[29]	$ 1,300	^[30]
Fair value		$ 49,540	^[29]	$ 50,130	^[30]	50,570	49,002
Investment, Identifier [Axis]: CMS Minerals Investments, Member Units
Schedule of Investments [Line Items]
Fair value						0	1,670
Investment, Identifier [Axis]: CQ Fluency, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		7.00%	^{[5],[24],[25]}	7.00%	^{[6],[26],[27]}
Principal		$ 0	^{[5],[24],[25]}	$ 0	^{[6],[26],[27]}
Cost		(57)	^{[5],[24],[25]}	(66)	^{[6],[26],[27]}
Fair value		$ (57)	^{[5],[24],[25]}	$ (66)	^{[6],[26],[27]}
Investment, Identifier [Axis]: CQ Fluency, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Spread (as a percent)		7.00%	^{[5],[24],[25]}	7.00%	^{[6],[26],[27]}
Principal		$ 0	^{[5],[24],[25]}	$ 0	^{[6],[26],[27]}
Cost		(57)	^{[5],[24],[25]}	(66)	^{[6],[26],[27]}
Fair value		$ (57)	^{[5],[24],[25]}	$ (66)	^{[6],[26],[27]}
Investment, Identifier [Axis]: CQ Fluency, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.44%	^[5],[25]	12.45%	^[6],[27]
Spread (as a percent)		7.00%	^[5],[25]	7.00%	^[6],[27]
Principal		$ 11,109	^[5],[25]	$ 11,250	^[6],[27]
Cost		10,829	^[5],[25]	10,920	^[6],[27]
Fair value		$ 11,001	^[5],[25]	$ 10,920	^[6],[27]
Investment, Identifier [Axis]: Café Brazil, LLC, Member Units
Schedule of Investments [Line Items]
Units (in shares)		1,233	^[29]	1,233	^[30]
Cost		$ 1,742	^[29]	$ 1,742	^[30]
Fair value		$ 1,790	^[29]	$ 1,980	^[30]	2,130	2,210
Investment, Identifier [Axis]: California Splendor Holdings LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Units (in shares)		8,671	^[29]	3,671	^[30]
Total Rate		15.00%	^[29]	15.00%	^[30]
PIK Rate		15.00%	^[29]	15.00%	^[30]
Cost		$ 10,173	^[29]	$ 4,601	^[30]
Fair value		10,173	^[29]	4,601	^[30]	$ 23,435	25,495
Investment, Identifier [Axis]: California Splendor Holdings LLC, Preferred Member Units 1.1
Schedule of Investments [Line Items]
Fair value		$ 15,695		$ 15,695
Investment, Identifier [Axis]: California Splendor Holdings LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Units (in shares)		6,157	^[29]	6,157	^[30]
Total Rate						15.00%
PIK Rate						15.00%
Cost		$ 10,775	^[29]	$ 10,775	^[30]
Fair value		$ 15,695	^[29]	15,695	^[30]	$ 4,295	3,994
Investment, Identifier [Axis]: California Splendor Holdings LLC, Preferred Member Units 2.1
Schedule of Investments [Line Items]
Total Rate		15.00%
PIK Rate		15.00%
Fair value		$ 10,173		$ 4,601
Investment, Identifier [Axis]: California Splendor Holdings LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		14.00%		15.69%	^[27],[30]	15.25%
Spread (as a percent)				10.00%	^[27],[30]	10.00%
PIK Rate		4.00%
Principal	^[27],[30]			$ 28,000
Cost	^[27],[30]			27,965
Fair value		$ 27,875		$ 27,655	^[27],[30]	$ 28,000	28,000
Investment, Identifier [Axis]: California Splendor Holdings LLC, Secured Debt 1
Schedule of Investments [Line Items]
Principal	^[24]	0
Cost	^[24]	0
Fair value	^[24]	$ 0
Investment, Identifier [Axis]: California Splendor Holdings LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.00%
PIK Rate		4.00%
Principal		$ 28,336
Cost		28,263
Fair value		$ 27,875
Investment, Identifier [Axis]: Career Team Holdings, LLC, Common Stock
Schedule of Investments [Line Items]
Units (in shares)		450,000		450,000
Cost		$ 4,500		$ 4,500
Fair value		$ 4,500		$ 4,500		$ 4,500	4,500
Investment, Identifier [Axis]: Career Team Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.38%	^[25]	11.38%	^[27]	11.25%
Spread (as a percent)		6.00%	^[25]	6.00%	^[27]	6.00%
Principal		$ 900	^[25]	$ 900	^[27]
Cost		884	^[25]	881	^[27]
Fair value		$ 884	^[25]	$ 881	^[27]	$ 442	(9)
Investment, Identifier [Axis]: Career Team Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%		13.00%		12.50%
Principal		$ 19,845		$ 20,025
Cost		19,747		19,906
Fair value		$ 19,747		$ 19,906		$ 20,110	20,090
Investment, Identifier [Axis]: CaseWorthy, Inc., Common Equity
Schedule of Investments [Line Items]
Units (in shares)		245,926	^[5]	245,926	^[6]
Cost		$ 246	^[5]	$ 246	^[6]
Fair value		$ 490	^[5]	$ 246	^[6]
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)	^{[6],[26],[27]}			6.00%
Principal	^{[6],[26],[27]}			$ 0
Cost	^{[6],[26],[27]}			(8)
Fair value	^{[6],[26],[27]}			$ (8)
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	^[6],[27]			11.61%
Spread (as a percent)	^[6],[27]			6.00%
Principal	^[6],[27]			$ 7,933
Cost	^[6],[27]			7,872
Fair value	^[6],[27]			$ 7,933
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	^[6],[27]			11.61%
Spread (as a percent)	^[6],[27]			6.00%
Principal	^[6],[27]			$ 6,102
Cost	^[6],[27]			6,061
Fair value	^[6],[27]			$ 6,102
Investment, Identifier [Axis]: Central Moloney, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	^[5],[25]	12.08%
Spread (as a percent)	^[5],[25]	6.75%
Principal	^[5],[25]	$ 39,801
Cost	^[5],[25]	39,067
Fair value	^[5],[25]	$ 39,404
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		13,309		13,309
Cost		$ 6,122		$ 6,122
Fair value		$ 11,500		$ 11,040		$ 10,400	8,700
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		10.00%	^[24],[25]	9.00%	^[26],[27]	9.00%
Principal		$ 0	^[24],[25]	$ 0	^[26],[27]
Cost		0	^[24],[25]	0	^[26],[27]
Fair value		$ 0	^[24],[25]	$ 0	^[26],[27]	$ 0	0
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.48%	^[25]	14.48%	^[27]	14.25%
Spread (as a percent)		10.00%	^[25]	9.00%	^[27]	9.00%
Principal		$ 20,462	^[25]	$ 17,574	^[27]
Cost		20,239	^[25]	17,512	^[27]
Fair value		$ 20,462	^[25]	17,574	^[27]	$ 15,030	14,954
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		15.48%
Spread (as a percent)		10.00%
Fair value		$ 20,462		0
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Fair value		$ 0		$ 17,574
Investment, Identifier [Axis]: Chamberlin Holding LLC, Member Units 1
Schedule of Investments [Line Items]
Units (in shares)		4,347	^[29]	4,347	^[30]
Cost		$ 11,440	^[29]	$ 11,440	^[30]
Fair value		$ 30,030	^[29]	$ 29,320	^[30]	23,940	22,920
Investment, Identifier [Axis]: Chamberlin Holding LLC, Member Units 2
Schedule of Investments [Line Items]
Units (in shares)		1,047,146	^[29],[41]	1,047,146	^[30],[40]
Cost		$ 1,773	^[29],[41]	$ 1,773	^[30],[40]
Fair value		$ 3,150	^[29],[41]	$ 2,860	^[30],[40]	$ 2,830	2,710
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		6.00%	^[24],[25]	6.00%	^[26],[27]	6.00%
Principal		$ 0	^[24],[25]	$ 0	^[26],[27]
Cost		(150)	^[24],[25]	(195)	^[26],[27]
Fair value		$ 0	^[24],[25]	$ 0	^[26],[27]	$ 0	0
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.49%	^[25]	13.49%	^[27]	13.36%
Spread (as a percent)		8.00%	^[25]	8.00%	^[27]	8.00%
Principal		$ 15,620	^[25]	$ 15,620	^[27]
Cost		15,618	^[25]	15,617	^[27]
Fair value		$ 15,620	^[25]	$ 15,620	^[27]	$ 16,407	16,945
Investment, Identifier [Axis]: Chandler Signs Holdings, LLC, Class A Units
Schedule of Investments [Line Items]
Fair value						0	1,790
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.58%	^{[5],[25],[31]}	12.60%	^{[6],[27],[46]}
Spread (as a percent)		7.00%	^{[5],[25],[31]}	7.00%	^{[6],[27],[46]}
Principal		$ 4,661	^{[5],[25],[31]}	$ 2,071	^{[6],[27],[46]}
Cost		4,518	^{[5],[25],[31]}	1,901	^{[6],[27],[46]}
Fair value		$ 4,394	^{[5],[25],[31]}	$ 1,988	^{[6],[27],[46]}
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.55%	^[5],[25]	12.66%	^[6],[27]
Spread (as a percent)		7.00%	^[5],[25]	7.00%	^[6],[27]
Principal		$ 36,354	^[5],[25]	$ 36,540	^[6],[27]
Cost		35,966	^[5],[25]	36,077	^[6],[27]
Fair value		$ 34,272	^[5],[25]	$ 35,064	^[6],[27]
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.55%	^[5],[25]	12.66%	^[6],[27]
Spread (as a percent)		7.00%	^[5],[25]	7.00%	^[6],[27]
Principal		$ 2,014	^[5],[25]	$ 2,024	^[6],[27]
Cost		1,993	^[5],[25]	1,999	^[6],[27]
Fair value		$ 1,899	^[5],[25]	$ 1,943	^[6],[27]
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		12.55%	^[5],[25]	12.66%	^[6],[27]
Spread (as a percent)		7.00%	^[5],[25]	7.00%	^[6],[27]
Principal		$ 4,868	^[5],[25]	$ 4,893	^[6],[27]
Cost		4,783	^[5],[25]	4,792	^[6],[27]
Fair value		$ 4,589	^[5],[25]	$ 4,695	^[6],[27]
Investment, Identifier [Axis]: Charps, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		1,829	^[29]	1,829	^[30]
Cost		$ 1,963	^[29]	$ 1,963	^[30]
Fair value		$ 15,580	^[29]	$ 15,690	^[30]	$ 13,800	13,340
Investment, Identifier [Axis]: Charps, LLC, Unsecured Debt
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%		10.00%
Principal		$ 5,694		$ 5,694
Cost		4,922		4,678
Fair value		$ 5,694		$ 5,694		$ 5,694	5,694
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Member Units 1
Schedule of Investments [Line Items]
Units (in shares)		717	^[29]	717	^[30]
Cost		$ 7,280	^[29]	$ 7,280	^[30]
Fair value		$ 6,210	^[29]	$ 5,200	^[30]	6,380	8,220
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Member Units 2
Schedule of Investments [Line Items]
Units (in shares)		800	^[41]	800	^[40]
Cost		$ 509	^[41]	$ 509	^[40]
Fair value		950	^[41]	1,129	^[40]	1,129	610
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Principal		0	^[24]	0	^[26]
Cost		0	^[24]	0	^[26]
Fair value		$ 0	^[24]	$ 0	^[26]	$ 0	0
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.50%		11.50%		11.50%
Principal		$ 7,960		$ 8,560
Cost		7,938		8,560
Fair value		$ 7,801		$ 8,422		$ 9,634	10,440
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%		10.00%
Principal		$ 993		$ 1,013
Cost		985		1,004
Fair value		985		1,004		$ 1,022	1,039
Investment, Identifier [Axis]: Clarius BIGS, LLC, Secured Debt
Schedule of Investments [Line Items]
Principal		2,677	^{[5],[32],[38]}	2,677	^{[6],[33],[39]}
Cost		2,677	^{[5],[32],[38]}	2,677	^{[6],[33],[39]}
Fair value		$ 16	^{[5],[32],[38]}	$ 16	^{[6],[33],[39]}
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		154	^[29]	154	^[30]
Cost		$ 0	^[29]	$ 5,760	^[30]
Fair value		$ 2,469	^[29]	$ 16,000	^[30]	$ 18,230	24,637
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				11.69%	^[27]	11.25%
Spread (as a percent)		6.00%		6.00%	^[27]	6.00%
Principal	^[27]			$ 4,560
Cost	^[27]			4,560
Fair value		$ 0		$ 4,560	^[27]	$ 4,560	4,560
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				8.00%		8.00%
Principal				$ 19,274
Cost				19,224
Fair value		$ 0		$ 19,274		$ 19,274	19,274
Investment, Identifier [Axis]: Cody Pools, Inc., Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		587	^[29],[41]	587	^[30],[40]
Cost		$ 8,317	^[29],[41]	$ 8,317	^[30],[40]
Fair value		74,480	^[29],[41]	72,470	^[30],[40]	65,120	58,180
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Principal		0	^[24]	0	^[26]
Cost		(15)	^[24]	(11)	^[26]
Fair value		$ 0	^[24]	$ 0	^[26]	$ 0	0
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%		12.50%		12.50%
Principal		$ 40,801		$ 42,073
Cost		40,775		42,042
Fair value		$ 40,801		$ 42,073		$ 46,312	0
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Spread (as a percent)						10.50%
Fair value						$ 0	1,462
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 4
Schedule of Investments [Line Items]
Spread (as a percent)						10.50%
Fair value						$ 0	40,801
Investment, Identifier [Axis]: Colonial Electric Company LLC, Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)	^[29]	17,280
Cost	^[29]	$ 7,680
Fair value	^[29]	11,740
Investment, Identifier [Axis]: Colonial Electric Company LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Units (in shares)				960
Cost				$ 960
Fair value		0		$ 2,400		2,400	0
Investment, Identifier [Axis]: Colonial Electric Company LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Units (in shares)				17,280
Cost				$ 7,680
Fair value		11,740		7,680		7,680	9,160
Investment, Identifier [Axis]: Colonial Electric Company LLC, Secured Debt 1
Schedule of Investments [Line Items]
Principal		0	^[24]	0	^[26]
Cost		0	^[24]	0	^[26]
Fair value		$ 0	^[24]	$ 0	^[26]	$ 0	0
Investment, Identifier [Axis]: Colonial Electric Company LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%		12.00%
Principal		$ 18,140		$ 22,050
Cost		18,073		21,946
Fair value		$ 18,140		$ 21,627		$ 22,049	23,151
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		1,975	^[29]	1,975	^[30]
Cost		$ 1,975	^[29]	$ 1,975	^[30]
Fair value		$ 12,930	^[29]	$ 14,450	^[30]	$ 16,380	19,830
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	^[25]	14.48%
Spread (as a percent)	^[25]	9.00%
Principal	^[25]	$ 3,162
Cost	^[25]	3,097
Fair value	^[25]	$ 3,097
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		9.00%		9.00%	^{[26],[27],[39]}	9.00%
Principal	^{[26],[27],[39]}			$ 0
Cost	^{[26],[27],[39]}			0
Fair value		$ 0		$ 0	^{[26],[27],[39]}	$ 0	0
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.48%		14.48%	^[27]	14.25%
Spread (as a percent)		9.00%		9.00%	^[27]	9.00%
Principal	^[27]			$ 3,454
Cost	^[27]			3,454
Fair value		$ 3,097		$ 3,454	^[27]	$ 4,869	5,241
Investment, Identifier [Axis]: Compass Systems & Sales, LLC, Preferred Equity
Schedule of Investments [Line Items]
Units (in shares)		7,454		7,454
Cost		$ 7,454		$ 7,454
Fair value		$ 7,950		7,454
Investment, Identifier [Axis]: Compass Systems & Sales, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.50%
Principal		$ 1,600		0	^[26]
Cost		1,584		0	^[26]
Fair value		$ 1,584		$ 0	^[26]
Investment, Identifier [Axis]: Compass Systems & Sales, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.50%		13.50%
Principal		$ 17,200		$ 17,200
Cost		17,051		17,034
Fair value		$ 17,051		$ 17,034
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.47%	^{[5],[25],[31]}	13.52%	^{[6],[27],[47]}
Spread (as a percent)		8.00%	^{[5],[25],[31]}	8.00%	^{[6],[27],[47]}
Principal		$ 6,000	^{[5],[25],[31]}	$ 5,000	^{[6],[27],[47]}