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		Sep. 30, 2024		Dec. 31, 2023		Sep. 30, 2023	Dec. 31, 2022
Schedule of Investments [Line Items]
Cost		$ 4,265,803	^[1]	$ 3,725,960	^[2]
Fair value		$ 4,911,054	^[3]	$ 4,286,271	^[4]
Investment owned, percent of net assets (as a percent)		182.40%		173.00%
Analytical Systems Keco Holdings, LLC
Schedule of Investments [Line Items]
Cost		$ 10,037		$ 10,246
Fair value		9,804		9,163
ASC Interests, LLC
Schedule of Investments [Line Items]
Cost		3,728		3,727
Fair value		2,068		2,363
ATS Workholding, LLC
Schedule of Investments [Line Items]
Cost		8,817	^[5]	8,647	^[6]
Fair value		500	^[5]	801	^[6]
Barfly Ventures, LLC
Schedule of Investments [Line Items]
Cost		2,295	^[5]	2,295	^[6]
Fair value		6,071	^[5]	4,851	^[6]
Batjer TopCo, LLC
Schedule of Investments [Line Items]
Cost		15,334		14,867
Fair value		16,399		16,995
Bolder Panther Group, LLC
Schedule of Investments [Line Items]
Cost		115,825		110,078
Fair value		136,949		127,576
Brewer Crane Holdings, LLC
Schedule of Investments [Line Items]
Cost		9,420		9,778
Fair value		10,571		11,118
Bridge Capital Solutions Corporation
Schedule of Investments [Line Items]
Cost		3,132		12,945
Fair value		0		15,103
California Splendor Holdings LLC
Schedule of Investments [Line Items]
Cost		56,987		43,341
Fair value		62,413		47,951
Centre Technologies Holdings, LLC
Schedule of Investments [Line Items]
Cost		26,376		23,634
Fair value		32,422		28,614
Chamberlin Holding LLC
Schedule of Investments [Line Items]
Cost		28,704		28,635
Fair value		49,370		47,800
Charps, LLC
Schedule of Investments [Line Items]
Cost		7,007		6,641
Fair value		21,274		21,384
Clad-Rex Steel, LLC
Schedule of Investments [Line Items]
Cost		15,895		17,353
Fair value		17,896		15,755
Cody Pools, Inc.
Schedule of Investments [Line Items]
Cost		48,144		50,348
Fair value		109,823		114,543
Colonial Electric Company LLC
Schedule of Investments [Line Items]
Cost		23,854		30,586
Fair value		29,345		31,707
CompareNetworks Topco, LLC
Schedule of Investments [Line Items]
Cost		6,622		5,429
Fair value		17,792		17,904
Compass Systems & Sales, LLC
Schedule of Investments [Line Items]
Cost		24,491		24,488
Fair value		24,988		24,488
Cybermedia Technologies, LLC
Schedule of Investments [Line Items]
Cost		42,103		43,389
Fair value		42,383		43,389
Datacom, LLC
Schedule of Investments [Line Items]
Cost		10,947		11,130
Fair value		8,353		8,104
Digital Products Holdings LLC
Schedule of Investments [Line Items]
Cost		22,380		24,259
Fair value		22,646		24,525
Direct Marketing Solutions, Inc.
Schedule of Investments [Line Items]
Cost		32,622		35,031
Fair value		43,592		47,516
Elgin AcquireCo, LLC
Schedule of Investments [Line Items]
Cost		31,456		32,161
Fair value		32,902		32,637
Gamber-Johnson Holdings, LLC
Schedule of Investments [Line Items]
Cost		65,983		71,505
Fair value		155,848		150,788
GRT Rubber Technologies LLC
Schedule of Investments [Line Items]
Cost		56,599		55,819
Fair value		88,079		87,333
Gulf Publishing Holdings, LLC
Schedule of Investments [Line Items]
Cost		11,681		11,681
Fair value		1,402		4,744
Harris Preston Fund Investments
Schedule of Investments [Line Items]
Cost		6,934	^[7],[8]	3,593	^[9],[10]
Fair value		13,899	^[7],[8]	6,365	^[9],[10]
IG Investor, LLC
Schedule of Investments [Line Items]
Cost		51,646		51,299
Fair value		52,116		51,299
Jensen Jewelers of Idaho, LLC
Schedule of Investments [Line Items]
Cost		2,461		2,809
Fair value		13,470		14,418
JorVet Holdings, LLC
Schedule of Investments [Line Items]
Cost		35,620		36,224
Fair value		35,907		36,224
KBK Industries, LLC
Schedule of Investments [Line Items]
Cost		4,755		5,445
Fair value		28,820		27,470
Kickhaefer Manufacturing Company, LLC
Schedule of Investments [Line Items]
Cost		33,753		36,811
Fair value		35,251		35,999
Metalforming Holdings, LLC
Schedule of Investments [Line Items]
Cost		29,958		31,195
Fair value		32,756		31,158
MH Corbin Holding LLC
Schedule of Investments [Line Items]
Cost		15,640		15,800
Fair value		1,380		5,352
MS Private Loan Fund I, LP
Schedule of Investments [Line Items]
Cost		14,250	^[7],[8]	14,250	^[9],[10]
Fair value		14,279	^[7],[8]	14,527	^[9],[10]
MS Private Loan Fund II, LP
Schedule of Investments [Line Items]
Cost		40,876	^[7],[8]	24,928	^[9],[10]
Fair value		41,128	^[7],[8]	24,928	^[9],[10]
Mystic Logistics Holdings, LLC
Schedule of Investments [Line Items]
Cost		8,449		8,466
Fair value		31,846		32,136
Nello Industries Investco, LLC
Schedule of Investments [Line Items]
Cost		53,439
Fair value		53,439
NexRev LLC
Schedule of Investments [Line Items]
Cost		19,963		17,964
Fair value		21,621		16,101
NRP Jones, LLC
Schedule of Investments [Line Items]
Cost		5,797		5,797
Fair value		4,159		3,599
NuStep, LLC
Schedule of Investments [Line Items]
Cost		35,848		34,288
Fair value		38,456		36,416
OMi Topco, LLC
Schedule of Investments [Line Items]
Cost		11,041		13,762
Fair value		68,540		49,130
Orttech Holdings, LLC
Schedule of Investments [Line Items]
Cost		31,879		31,925
Fair value		36,640		39,090
Pearl Meyer Topco LLC
Schedule of Investments [Line Items]
Cost		83,644		64,054
Fair value		131,440		95,271
Pinnacle TopCo, LLC
Schedule of Investments [Line Items]
Cost		41,324		43,323
Fair value		46,400		43,323
PPL RVs, Inc.
Schedule of Investments [Line Items]
Cost		19,712		22,078
Fair value		34,271		37,225
Principle Environmental, LLC
Schedule of Investments [Line Items]
Cost		12,756		12,738
Fair value		17,937		17,089
Robbins Bros. Jewelry, Inc.
Schedule of Investments [Line Items]
Cost		44,525		44,953
Fair value		15,393		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		5,304		6,528
Trantech Radiator Topco, LLC
Schedule of Investments [Line Items]
Cost		12,502		12,565
Fair value		17,420		20,660
Volusion, LLC
Schedule of Investments [Line Items]
Cost		23,111		27,322
Fair value		9,560		9,350
VVS Holdco LLC
Schedule of Investments [Line Items]
Cost		39,162		40,275
Fair value		39,162		40,275
Ziegler’s NYPD, LLC
Schedule of Investments [Line Items]
Cost		7,634		7,634
Fair value		2,365		3,475
AAC Holdings, Inc.
Schedule of Investments [Line Items]
Cost		20,299	^[11]	17,537	^[12]
Fair value		17,025	^[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		30,203		21,750
Fair value		16,226		12,144
Career Team Holdings, LLC
Schedule of Investments [Line Items]
Cost		24,918		25,287
Fair value		24,918		25,287
CenterPeak Holdings, LLC
Schedule of Investments [Line Items]
Cost		25,028
Fair value		35,807
DMA Industries, LLC
Schedule of Investments [Line Items]
Cost		26,338		24,629
Fair value		26,338		26,460
Dos Rios Partners
Schedule of Investments [Line Items]
Cost		8,132	^[7],[8]	8,318	^[9],[10]
Fair value		10,001	^[7],[8]	11,074	^[9],[10]
FCC Intermediate Holdco, LLC
Schedule of Investments [Line Items]
Cost		32,820
Fair value		32,820
Freeport Financial Funds
Schedule of Investments [Line Items]
Cost		4,735	^[7],[8]	7,019	^[9],[10]
Fair value		4,277	^[7],[8]	6,716	^[9],[10]
GFG Group, LLC
Schedule of Investments [Line Items]
Cost		13,059		14,202
Fair value		18,725		20,805
Gulf Manufacturing, LLC
Schedule of Investments [Line Items]
Cost	^[7],[13]	42,087
Fair value	^[7],[13]	54,670
Harris Preston Fund Investments
Schedule of Investments [Line Items]
Cost		7,701	^[7],[8]	8,219	^[9],[10]
Fair value		10,682	^[7],[8]	10,863	^[9],[10]
Hawk Ridge Systems, LLC
Schedule of Investments [Line Items]
Cost		50,743		50,116
Fair value		67,814		65,610
Houston Plating and Coatings, LLC
Schedule of Investments [Line Items]
Cost		5,352		5,352
Fair value		6,270		6,220
Infinity X1 Holdings, LLC
Schedule of Investments [Line Items]
Cost		19,538		21,403
Fair value		21,990		21,403
Integral Energy Services
Schedule of Investments [Line Items]
Cost		14,419	^[5]	15,906	^[6]
Fair value		13,611	^[5]	14,351	^[6]
Iron-Main Investments, LLC
Schedule of Investments [Line Items]
Cost		47,222		48,885
Fair value		47,365		48,809
ITA Holdings Group, LLC
Schedule of Investments [Line Items]
Cost		11,645		10,464
Fair value		12,834		10,464
MoneyThumb Acquisition, LLC
Schedule of Investments [Line Items]
Cost		11,183
Fair value		11,183
Nebraska Vet AcquireCo, LLC
Schedule of Investments [Line Items]
Cost		70,770		43,116
Fair value		88,740		51,314
OnAsset Intelligence, Inc.
Schedule of Investments [Line Items]
Cost		12,683		12,683
Fair value		1,828		3,172
RA Outdoors LLC
Schedule of Investments [Line Items]
Cost		15,507	^[5]	14,096	^[6]
Fair value		14,108	^[5]	13,284	^[6]
SI East, LLC
Schedule of Investments [Line Items]
Cost		71,367		56,928
Fair value		86,091		74,831
Slick Innovations, LLC
Schedule of Investments [Line Items]
Cost		16,645		11,801
Fair value		18,860		13,750
Student Resource Center, LLC
Schedule of Investments [Line Items]
Cost		5,085	^[5]	4,884	^[6]
Fair value		1,845	^[5]	3,190	^[6]
The Affiliati Network, LLC
Schedule of Investments [Line Items]
Cost		12,232		14,197
Fair value		12,103		14,069
UniTek Global Services, Inc.
Schedule of Investments [Line Items]
Cost		21,765	^[11]	18,942	^[12]
Fair value		15,392	^[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		12,950
Fair value		12,950
World Micro Holdings, LLC
Schedule of Investments [Line Items]
Cost		15,415		15,873
Fair value		15,415		15,873
Adams Publishing Group, LLC
Schedule of Investments [Line Items]
Cost		27,314	^[5]	29,009	^[6]
Fair value		26,780	^[5]	28,468	^[6]
American Health Staffing Group, Inc.
Schedule of Investments [Line Items]
Cost		6,130	^[5]	6,504	^[6]
Fair value		6,156	^[5]	6,542	^[6]
American Nuts, LLC
Schedule of Investments [Line Items]
Cost		33,760	^[5]	31,640	^[6]
Fair value		25,997	^[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]
Ansira Partners II, LLC
Schedule of Investments [Line Items]
Cost	^[5]	75,963
Fair value	^[5]	75,963
ArborWorks, LLC
Schedule of Investments [Line Items]
Cost		26,085	^[5]	23,350	^[6]
Fair value		24,343	^[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		24,463	^[5]	24,661	^[6]
Fair value		24,927	^[5]	24,934	^[6]
Berry Aviation, Inc.
Schedule of Investments [Line Items]
Cost		286	^[5]	0	^[6]
Fair value		0	^[5]	2,760	^[6]
Bettercloud, Inc.
Schedule of Investments [Line Items]
Cost		30,739	^[5]	28,944	^[6]
Fair value		25,934	^[5]	27,488	^[6]
Bluestem Brands, Inc.
Schedule of Investments [Line Items]
Cost		8,308	^[11]	5,998	^[12]
Fair value		7,045	^[11]	5,883	^[12]
Bond Brand Loyalty ULC
Schedule of Investments [Line Items]
Cost		13,081	^[5],[7],[13]	13,134	^[6],[9],[14]
Fair value		13,195	^[5],[7],[13]	13,285	^[6],[9],[14]
BP Loenbro Holdings Inc.
Schedule of Investments [Line Items]
Cost	^[5]	29,939
Fair value	^[5]	31,733
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		12,939	^[7],[8]	12,877	^[9],[10]
Fair value		11,080	^[7],[8]	10,886	^[9],[10]
Burning Glass Intermediate Holding Company, Inc.
Schedule of Investments [Line Items]
Cost		18,572	^[5]	19,900	^[6]
Fair value		18,766	^[5]	20,146	^[6]
CAI Software LLC
Schedule of Investments [Line Items]
Cost		2,142		1,789
Fair value		2,227		1,789
Channel Partners Intermediateco, LLC
Schedule of Investments [Line Items]
Cost		47,626	^[5]	44,769	^[6]
Fair value		45,171	^[5]	43,690	^[6]
Computer Data Source, LLC
Schedule of Investments [Line Items]
Cost		25,242	^[5]	23,067	^[6]
Fair value		24,929	^[5]	22,605	^[6]
Coregistics Buyer LLC
Schedule of Investments [Line Items]
Cost	^[5],[7],[13]	50,478
Fair value	^[5],[7],[13]	50,084
CQ Fluency, LLC
Schedule of Investments [Line Items]
Cost		10,611	^[5]	10,788	^[6]
Fair value		10,651	^[5]	10,788	^[6]
Creative Foam Corporation
Schedule of Investments [Line Items]
Cost	^[5]	104,614
Fair value	^[5]	105,328
DTE Enterprises, LLC
Schedule of Investments [Line Items]
Cost		2,092	^[5]	2,060	^[6]
Fair value		681	^[5]	1,544	^[6]
Dynamic Communities, LLC
Schedule of Investments [Line Items]
Cost		4,322	^[5]	3,920	^[6]
Fair value		4,354	^[5]	3,831	^[6]
Eastern Wholesale Fence LLC
Schedule of Investments [Line Items]
Cost		27,470	^[5]	27,882	^[6]
Fair value		26,188	^[5]	26,994	^[6]
EnCap Energy Fund Investments
Schedule of Investments [Line Items]
Cost		29,210	^[7],[8]	25,431	^[9],[10]
Fair value		21,370	^[7],[8]	15,864	^[9],[10]
Escalent, Inc.
Schedule of Investments [Line Items]
Cost		26,154	^[5]	26,248	^[6]
Fair value		26,994	^[5]	27,008	^[6]
Event Holdco, LLC
Schedule of Investments [Line Items]
Cost		50,392	^[5]	47,575	^[6]
Fair value		50,606	^[5]	46,999	^[6]
Fuse, LLC
Schedule of Investments [Line Items]
Cost		2,066	^[11]	2,066	^[12]
Fair value		1,024	^[11]	1,320	^[12]
Garyline, LLC
Schedule of Investments [Line Items]
Cost		37,924	^[5]	31,979	^[6]
Fair value		38,141	^[5]	31,979	^[6]
GS HVAM Intermediate, LLC
Schedule of Investments [Line Items]
Cost		19,795	^[5]	13,314	^[6]
Fair value		19,919	^[5]	13,339	^[6]
GULF PACIFIC ACQUISITION, LLC
Schedule of Investments [Line Items]
Cost		4,518	^[5]	4,282	^[6]
Fair value		4,402	^[5]	4,370	^[6]
HDC/HW Intermediate Holdings
Schedule of Investments [Line Items]
Cost		3,008	^[5]	4,121	^[6]
Fair value		2,933	^[5]	3,742	^[6]
HEADLANDS OP-CO LLC
Schedule of Investments [Line Items]
Cost		30,792	^[5]	22,958	^[6]
Fair value		31,139	^[5]	23,307	^[6]
Hornblower Sub, LLC
Schedule of Investments [Line Items]
Cost	^[5]	30,715
Fair value	^[5]	30,715
IG Parent Corporation
Schedule of Investments [Line Items]
Cost		15,385	^[11]	14,173	^[12]
Fair value		15,529	^[11]	14,352	^[12]
Imaging Business Machines, L.L.C.
Schedule of Investments [Line Items]
Cost		22,439	^[5]	22,883	^[6]
Fair value		22,877	^[5]	23,318	^[6]
Insight Borrower Corporation
Schedule of Investments [Line Items]
Cost		14,504	^[5]	14,538	^[6]
Fair value		13,820	^[5]	14,787	^[6]
Inspire Aesthetics Management, LLC
Schedule of Investments [Line Items]
Cost		11,179	^[5]	11,212	^[6]
Fair value		9,879	^[5]	11,080	^[6]
Interface Security Systems, L.L.C
Schedule of Investments [Line Items]
Cost		9,235	^[5]	9,072	^[6]
Fair value		1,853	^[5]	2,212	^[6]
Invincible Boat Company, LLC.
Schedule of Investments [Line Items]
Cost		17,812	^[5]	17,263	^[6]
Fair value		17,061	^[5]	17,024	^[6]
Isagenix International, LLC
Schedule of Investments [Line Items]
Cost		2,872	^[11]	2,374	^[12]
Fair value		850	^[11]	2,301	^[12]
Island Pump and Tank, LLC
Schedule of Investments [Line Items]
Cost	^[5]	5,112
Fair value	^[5]	5,052
Jackmont Hospitality, Inc.
Schedule of Investments [Line Items]
Cost		3,404	^[5]	2,907	^[6]
Fair value		4,169	^[5]	3,899	^[6]
JDC Power Services, LLC
Schedule of Investments [Line Items]
Cost	^[5]	59,709
Fair value	^[5]	58,741
Joerns Healthcare, LLC
Schedule of Investments [Line Items]
Cost		10,130	^[11]	10,857	^[12]
Fair value		3,476	^[11]	2,354	^[12]
JTI Electrical & Mechanical, LLC
Schedule of Investments [Line Items]
Cost		48,740	^[5]	40,282	^[6]
Fair value		45,196	^[5]	40,847	^[6]
KMS, LLC
Schedule of Investments [Line Items]
Cost		8,342	^[5]	8,367	^[6]
Fair value		6,346	^[5]	7,725	^[6]
LL Management, Inc.
Schedule of Investments [Line Items]
Cost		30,179	^[5]	27,678	^[6]
Fair value		30,448	^[5]	27,759	^[6]
Mako Steel, LP
Schedule of Investments [Line Items]
Cost		18,897	^[5]	14,886	^[6]
Fair value		19,100	^[5]	15,049	^[6]
Microbe Formulas, LLC
Schedule of Investments [Line Items]
Cost		20,436	^[5]	21,804	^[6]
Fair value		20,686	^[5]	22,117	^[6]
Mini Melts of America, LLC
Schedule of Investments [Line Items]
Cost		12,840	^[5]	10,047	^[6]
Fair value		13,106	^[5]	10,047	^[6]
MonitorUS Holding, LLC
Schedule of Investments [Line Items]
Cost		33,110	^[5],[7],[13]	31,783	^[6],[9],[14]
Fair value		34,488	^[5],[7],[13]	32,993	^[6],[9],[14]
NinjaTrader, LLC
Schedule of Investments [Line Items]
Cost		28,160	^[5]	27,335	^[6]
Fair value		28,417	^[5]	27,681	^[6]
Obra Capital, Inc.
Schedule of Investments [Line Items]
Cost	^[5]	25,610
Fair value	^[5]	25,326
Power System Solutions
Schedule of Investments [Line Items]
Cost		25,037	^[5]	19,000	^[6]
Fair value		27,500	^[5]	19,414	^[6]
PrimeFlight Aviation Services
Schedule of Investments [Line Items]
Cost		9,997	^[5]	8,488	^[6]
Fair value		10,273	^[5]	8,720	^[6]
PTL US Bidco, Inc
Schedule of Investments [Line Items]
Cost		28,179	^[5],[7],[13]	28,969	^[6],[9],[14]
Fair value		28,167	^[5],[7],[13]	29,261	^[6],[9],[14]
Purge Rite, LLC
Schedule of Investments [Line Items]
Cost		12,889	^[5]	12,844	^[6]
Fair value		14,373	^[5]	12,844	^[6]
Richardson Sales Solutions
Schedule of Investments [Line Items]
Cost		59,241	^[5]	41,945	^[6]
Fair value		59,720	^[5]	42,485	^[6]
Roof Opco, LLC
Schedule of Investments [Line Items]
Cost		6,658	^[5]	6,648	^[6]
Fair value		6,459	^[5]	6,580	^[6]
Rug Doctor, LLC.
Schedule of Investments [Line Items]
Cost		13,427	^[5]	13,808	^[6]
Fair value		13,476	^[5]	13,830	^[6]
South Coast Terminals Holdings, LLC
Schedule of Investments [Line Items]
Cost		53,782	^[5]	35,730	^[6]
Fair value		53,753	^[5]	36,116	^[6]
SPAU Holdings, LLC
Schedule of Investments [Line Items]
Cost		18,529	^[5]	16,100	^[6]
Fair value		18,709	^[5]	16,228	^[6]
Stellant Systems, Inc.
Schedule of Investments [Line Items]
Cost		16,808	^[11]	16,192	^[12]
Fair value		16,981	^[11]	16,504	^[12]
Titan Meter Midco Corp.
Schedule of Investments [Line Items]
Cost	^[5]	34,068
Fair value	^[5]	34,502
U.S. TelePacific Corp.
Schedule of Investments [Line Items]
Cost		3,609	^[11]	3,605	^[12]
Fair value		3,933	^[11]	3,333	^[12]
UPS Intermediate, LLC
Schedule of Investments [Line Items]
Cost	^[5]	44,065
Fair value	^[5]	44,065
Veregy Consolidated, Inc.
Schedule of Investments [Line Items]
Cost		17,258	^[11]	16,787	^[12]
Fair value		17,443	^[11]	15,367	^[12]
Vitesse Systems
Schedule of Investments [Line Items]
Cost	^[5]	46,963
Fair value	^[5]	47,976
Wall Street Prep, Inc.
Schedule of Investments [Line Items]
Cost		3,362	^[5]	4,081	^[6]
Fair value		3,914	^[5]	4,450	^[6]
Watterson Brands, LLC
Schedule of Investments [Line Items]
Cost		31,141	^[5]	30,510	^[6]
Fair value		29,682	^[5]	30,832	^[6]
West Star Aviation Acquisition, LLC
Schedule of Investments [Line Items]
Cost		19,512	^[5]	19,617	^[6]
Fair value		22,808	^[5]	21,356	^[6]
Winter Services LLC
Schedule of Investments [Line Items]
Cost		16,710	^[5]	13,427	^[6]
Fair value		16,335	^[5]	13,589	^[6]
Xenon Arc, Inc.
Schedule of Investments [Line Items]
Cost		60,729	^[5]	60,886	^[6]
Fair value		61,413	^[5]	61,885	^[6]
Zips Car Wash, LLC
Schedule of Investments [Line Items]
Cost		21,644	^[5]	21,573	^[6]
Fair value		20,349	^[5]	20,447	^[6]
ZRG Partners, LLC
Schedule of Investments [Line Items]
Cost	^[5]	68,657
Fair value	^[5]	68,309
Garreco, LLC
Schedule of Investments [Line Items]
Cost				4,288
Fair value				4,668
Johnson Downie Opco, LLC
Schedule of Investments [Line Items]
Cost				27,683
Fair value				33,827
Oneliance, LLC
Schedule of Investments [Line Items]
Cost				6,539
Fair value				6,478
Superior Rigging & Erecting Co.
Schedule of Investments [Line Items]
Cost				24,927
Fair value				26,367
Classic H&G Holdings, LLC
Schedule of Investments [Line Items]
Cost				29,544
Fair value				39,834
AB Centers Acquisition Corporation
Schedule of Investments [Line Items]
Cost	^[6]			22,440
Fair value	^[6]			23,110
Acumera, Inc.
Schedule of Investments [Line Items]
Cost	^[6]			24,524
Fair value	^[6]			24,904
AMEREQUIP LLC
Schedule of Investments [Line Items]
Cost	^[6]			29,754
Fair value	^[6]			30,434
CaseWorthy, Inc.
Schedule of Investments [Line Items]
Cost	^[6]			14,171
Fair value	^[6]			14,273
Engineering Research & Consulting, LLC
Schedule of Investments [Line Items]
Cost	^[6]			15,864
Fair value	^[6]			16,134
Industrial Services Acquisition, LLC
Schedule of Investments [Line Items]
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]
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		35,375	^[1]	15,224	^[2],[15]
Fair value		35,375	^[3]	15,224	^[4],[15]
Control investments
Schedule of Investments [Line Items]
Cost		1,462,516	^[1],[16]	1,435,131	^[2],[17]
Fair value		$ 2,104,576	^[3],[16]	$ 2,006,698	^[4],[17]	$ 1,927,019	$ 1,703,172
Investment owned, percent of net assets (as a percent)		78.20%		81.00%
Affiliate investments
Schedule of Investments [Line Items]
Cost		$ 705,425	^[1],[18]	$ 575,894	^[2],[19]
Fair value		$ 784,092	^[3],[18]	$ 615,002	^[4],[19]	565,942	618,359
Investment owned, percent of net assets (as a percent)		29.10%		24.80%
Non‑Control/Non‑Affiliate investments
Schedule of Investments [Line Items]
Cost		$ 2,097,862	^[1],[20]	$ 1,714,935	^[2],[21]
Fair value		$ 2,022,386	^[3],[20]	$ 1,664,571	^[4],[21]
Investment owned, percent of net assets (as a percent)		75.10%		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		375		315		315	248
Investment, Identifier [Axis]: 2717 MH, L.P., LP Interests (2717 MH, L.P.)
Schedule of Investments [Line Items]
Fair value		8,896		6,050		5,896	7,552
Investment, Identifier [Axis]: 423 HAR, LP, LP Interests (423 HAR, L.P.)
Schedule of Investments [Line Items]
Fair value		$ 1,226		$ 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		$ 503	^[11]	$ 423	^[12]
Cost		501	^[11]	419	^[12]
Fair value		$ 498	^[11]	$ 418	^[12]	$ 379	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		$ 16,694	^[11]	$ 14,053	^[12]
Cost		16,650	^[11]	13,970	^[12]
Fair value		$ 16,527	^[11]	$ 13,895	^[12]	$ 12,618	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)	^{[6],[24],[25]}			5.00%
Principal	^{[6],[24],[25]}			$ 0
Cost	^{[6],[24],[25]}			(62)
Fair value	^{[6],[24],[25]}			$ 0
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	^[6],[25]			11.43%
Spread (as a percent)	^[6],[25]			6.00%
Principal	^[6],[25]			$ 1,921
Cost	^[6],[25]			1,894
Fair value	^[6],[25]			$ 1,921
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	^[6],[25]			11.43%
Spread (as a percent)	^[6],[25]			6.00%
Principal	^[6],[25]			$ 19,817
Cost	^[6],[25]			19,303
Fair value	^[6],[25]			$ 19,817
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	^[6],[25]			11.43%
Spread (as a percent)	^[6],[25]			6.00%
Principal	^[6],[25]			$ 1,372
Cost	^[6],[25]			1,305
Fair value	^[6],[25]			$ 1,372
Investment, Identifier [Axis]: ADS Tactical, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate	^[12],[25]			11.22%
Spread (as a percent)	^[12],[25]			5.75%
Principal	^[12],[25]			$ 10,952
Cost	^[12],[25]			10,856
Fair value	^[12],[25]			$ 10,860
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],[26]	235	^[6],[27]
Cost		$ 1,844	^[5],[26]	$ 1,844	^[6],[27]
Fair value		$ 980	^[5],[26]	$ 2,120	^[6],[27]
Investment, Identifier [Axis]: AMEREQUIP LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)	^{[6],[24],[25]}			7.40%
Principal	^{[6],[24],[25]}			$ 0
Cost	^{[6],[24],[25]}			(108)
Fair value	^{[6],[24],[25]}			$ (108)
Investment, Identifier [Axis]: AMEREQUIP LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	^[6],[25]			12.76%
Spread (as a percent)	^[6],[25]			7.40%
Principal	^[6],[25]			$ 28,422
Cost	^[6],[25]			28,018
Fair value	^[6],[25]			$ 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		$ 0		$ 100		100	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		$ 70		$ 266		$ 250	0
Investment, Identifier [Axis]: ASC Interests, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.00%	^[28]	13.00%		13.00%
Principal		$ 400	^[28]	$ 400
Cost		400	^[28]	400
Fair value		$ 400	^[28]	$ 400		$ 400	400
Investment, Identifier [Axis]: ASC Interests, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%	^[28]	13.00%		13.00%
Principal		$ 1,650	^[28]	$ 1,650
Cost		1,650	^[28]	1,649
Fair value		$ 1,598	^[28]	$ 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		11.59%	^[5],[29]	12.16%	^[6],[25]
Spread (as a percent)		6.00%	^[5],[29]	6.50%	^[6],[25]
Principal		$ 756	^[5],[29]	$ 360	^[6],[25]
Cost		756	^[5],[29]	360	^[6],[25]
Fair value		$ 756	^[5],[29]	$ 360	^[6],[25]
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.59%	^[5],[29]	11.16%	^[6],[25]
Spread (as a percent)		5.00%	^[5],[29]	5.50%	^[6],[25]
Principal		$ 6,660	^[5],[29]	$ 6,660	^[6],[25]
Cost		6,660	^[5],[29]	6,660	^[6],[25]
Fair value		$ 6,660	^[5],[29]	$ 6,660	^[6],[25]
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.59%	^[5],[29]	13.16%	^[6],[25]
Spread (as a percent)		7.00%	^[5],[29]	7.50%	^[6],[25]
Principal		$ 6,660	^[5],[29]	$ 6,660	^[6],[25]
Cost		6,660	^[5],[29]	6,660	^[6],[25]
Fair value		$ 6,660	^[5],[29]	$ 6,660	^[6],[25]
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],[28],[30]}	5.00%	^[6],[31]	5.00%
Principal		$ 2,257	^{[5],[28],[30]}	$ 2,090	^[6],[31]
Cost		2,249	^{[5],[28],[30]}	2,080	^[6],[31]
Fair value		$ 214	^{[5],[28],[30]}	$ 328	^[6],[31]	$ 408	634
Investment, Identifier [Axis]: ATS Workholding, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		5.00%	^{[5],[28],[30]}	5.00%	^[6],[31]	5.00%
Principal		$ 3,015	^{[5],[28],[30]}	$ 3,015	^[6],[31]
Cost		2,842	^{[5],[28],[30]}	2,841	^[6],[31]
Fair value		$ 286	^{[5],[28],[30]}	$ 473	^[6],[31]	$ 588	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],[26]	984	^[6],[27]
Cost		$ 965	^[5],[26]	$ 965	^[6],[27]
Fair value		$ 796	^[5],[26]	$ 892	^[6],[27]
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		7.25%	^{[5],[29],[32]}	7.25%	^{[6],[24],[25]}
Principal		$ 0	^{[5],[29],[32]}	$ 0	^{[6],[24],[25]}
Cost		(97)	^{[5],[29],[32]}	(120)	^{[6],[24],[25]}
Fair value		$ (97)	^{[5],[29],[32]}	$ (38)	^{[6],[24],[25]}
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.06%	^[5],[29]	12.76%	^[6],[25]
Spread (as a percent)		7.25%	^[5],[29]	7.25%	^[6],[25]
Principal		$ 24,228	^[5],[29]	$ 24,602	^[6],[25]
Cost		23,595	^[5],[29]	23,816	^[6],[25]
Fair value		$ 24,228	^[5],[29]	$ 24,080	^[6],[25]
Investment, Identifier [Axis]: Acumera, Inc., Common Equity
Schedule of Investments [Line Items]
Units (in shares)	^[5],[26]	3,880
Cost	^[5],[26]	$ 0
Fair value	^[5],[26]	$ 30
Investment, Identifier [Axis]: Acumera, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)	^{[6],[24],[25]}			7.50%
Principal	^{[6],[24],[25]}			$ 0
Cost	^{[6],[24],[25]}			(2)
Fair value	^{[6],[24],[25]}			$ (2)
Investment, Identifier [Axis]: Acumera, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	^[6],[25]			12.98%
Spread (as a percent)	^[6],[25]			7.50%
Principal	^[6],[25]			$ 24,796
Cost	^[6],[25]			24,526
Fair value	^[6],[25]			$ 24,796
Investment, Identifier [Axis]: Acumera, Inc., Warrants
Schedule of Investments [Line Items]
Units (in shares)	^[6],[33]			17,525
Cost	^[6],[33]			$ 0
Fair value	^[6],[33]			$ 110
Investment, Identifier [Axis]: Adams Publishing Group, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.00%	^{[5],[29],[34]}	11.00%	^{[6],[25],[35]}
Spread (as a percent)		7.00%	^{[5],[29],[34]}	7.00%	^{[6],[25],[35]}
PIK Rate		1.00%	^{[5],[29],[34]}	1.00%	^{[6],[25],[35]}
Principal		$ 7,900	^{[5],[29],[34]}	$ 7,841	^{[6],[25],[35]}
Cost		7,900	^{[5],[29],[34]}	7,841	^{[6],[25],[35]}
Fair value		$ 7,737	^{[5],[29],[34]}	$ 7,684	^{[6],[25],[35]}
Investment, Identifier [Axis]: Adams Publishing Group, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.00%	^{[5],[29],[34]}	11.00%	^{[6],[25],[35]}
Spread (as a percent)		7.00%	^{[5],[29],[34]}	7.00%	^{[6],[25],[35]}
PIK Rate		1.00%	^{[5],[29],[34]}	1.00%	^{[6],[25],[35]}
Principal		$ 19,444	^{[5],[29],[34]}	$ 21,207	^{[6],[25],[35]}
Cost		19,414	^{[5],[29],[34]}	21,168	^{[6],[25],[35]}
Fair value		$ 19,043	^{[5],[29],[34]}	$ 20,784	^{[6],[25],[35]}
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		5.00%	^{[5],[29],[32]}	5.00%	^{[6],[24],[25]}
Principal		$ 0	^{[5],[29],[32]}	$ 0	^{[6],[24],[25]}
Cost		(6)	^{[5],[29],[32]}	(8)	^{[6],[24],[25]}
Fair value		$ (6)	^{[5],[29],[32]}	$ (8)	^{[6],[24],[25]}
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%	^[5],[29]	13.50%	^[6],[25]
Spread (as a percent)		5.00%	^[5],[29]	5.00%	^[6],[25]
Principal		$ 6,162	^[5],[29]	$ 6,550	^[6],[25]
Cost		6,136	^[5],[29]	6,512	^[6],[25]
Fair value		$ 6,162	^[5],[29]	$ 6,550	^[6],[25]
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.23%	^[5],[29]	15.29%	^[6],[25]
Spread (as a percent)		9.75%	^[5],[29]	9.75%	^[6],[25]
PIK Rate		15.23%	^[5],[29]	15.29%	^[6],[25]
Principal		$ 7,248	^[5],[29]	$ 6,462	^[6],[25]
Cost		7,215	^[5],[29]	6,413	^[6],[25]
Fair value		$ 6,087	^[5],[29]	$ 5,495	^[6],[25]
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.23%	^[5],[29]	15.29%	^[6],[25]
Spread (as a percent)		9.75%	^[5],[29]	9.75%	^[6],[25]
PIK Rate		15.23%	^[5],[29]	15.29%	^[6],[25]
Principal		$ 11,793	^[5],[29]	$ 10,507	^[6],[25]
Cost		11,731	^[5],[29]	10,413	^[6],[25]
Fair value		$ 9,903	^[5],[29]	$ 8,922	^[6],[25]
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		17.20%	^{[5],[29],[30]}	17.29%	^{[6],[25],[31]}
Spread (as a percent)		11.75%	^{[5],[29],[30]}	11.75%	^{[6],[25],[31]}
PIK Rate		17.20%	^{[5],[29],[30]}	17.29%	^{[6],[25],[31]}
Principal		$ 5,705	^{[5],[29],[30]}	$ 5,705	^{[6],[25],[31]}
Cost		5,645	^{[5],[29],[30]}	5,645	^{[6],[25],[31]}
Fair value		$ 3,809	^{[5],[29],[30]}	$ 3,369	^{[6],[25],[31]}
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		17.20%	^{[5],[29],[30]}	17.29%	^{[6],[25],[31]}
Spread (as a percent)		11.75%	^{[5],[29],[30]}	11.75%	^{[6],[25],[31]}
PIK Rate		17.20%	^{[5],[29],[30]}	17.29%	^{[6],[25],[31]}
Principal		$ 9,283	^{[5],[29],[30]}	$ 9,283	^{[6],[25],[31]}
Cost		9,169	^{[5],[29],[30]}	9,169	^{[6],[25],[31]}
Fair value		6,198	^{[5],[29],[30]}	5,482	^{[6],[25],[31]}
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt 1
Schedule of Investments [Line Items]
Principal		3,166	^{[11],[28],[30]}	2,980	^{[12],[31],[36]}
Cost		2,989	^{[11],[28],[30]}	2,980	^{[12],[31],[36]}
Fair value		76	^{[11],[28],[30]}	134	^{[12],[31],[36]}
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt 2
Schedule of Investments [Line Items]
Principal		15,489	^{[11],[28],[30]}	14,370	^{[12],[31],[36]}
Cost		13,757	^{[11],[28],[30]}	13,706	^{[12],[31],[36]}
Fair value		374	^{[11],[28],[30]}	647	^{[12],[31],[36]}
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		(71,799)		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		$ 58,515		$ 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		5,710		4,860		$ 0	0
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 1.1
Schedule of Investments [Line Items]
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%
Cost		$ 3,200		$ 3,200
Fair value		0		0		$ 4,580	3,504
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 2.1
Schedule of Investments [Line Items]
Fair value		5,710		$ 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%
Spread (as a percent)				10.00%	^[25]	10.00%
Principal		0	^[32]	$ 220	^[25]
Cost		0	^[32]	219	^[25]
Fair value		$ 0	^[32]	$ 219	^[25]	$ 159	(3)
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.75%		15.38%	^[25]	15.38%
Spread (as a percent)				10.00%	^[25]	10.00%
Principal		$ 4,145		$ 4,125	^[25]
Cost		4,094		4,084	^[25]
Fair value		$ 4,094		$ 4,084	^[25]	$ 4,137	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]: Ansira Partners II, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	^[5],[29]	11.88%
Spread (as a percent)	^[5],[29]	6.75%
Principal	^[5],[29]	$ 834
Cost	^[5],[29]	637
Fair value	^[5],[29]	$ 637
Investment, Identifier [Axis]: Ansira Partners II, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	^[5],[29]	12.08%
Spread (as a percent)	^[5],[29]	6.75%
Principal	^[5],[29]	$ 77,159
Cost	^[5],[29]	75,326
Fair value	^[5],[29]	$ 75,326
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]	15.00%	^[6]
PIK Rate		15.00%	^[5]	15.00%	^[6]
Principal		$ 3,965	^[5]	$ 1,907	^[6]
Cost		3,965	^[5]	1,907	^[6]
Fair value		$ 3,965	^[5]	$ 1,907	^[6]
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.76%	^[5],[29]	12.04%	^[6],[25]
Spread (as a percent)		6.50%	^[5],[29]	6.50%	^[6],[25]
PIK Rate		11.76%	^[5],[29]	12.04%	^[6],[25]
Principal		$ 7,826	^[5],[29]	$ 7,149	^[6],[25]
Cost		7,826	^[5],[29]	7,149	^[6],[25]
Fair value		$ 7,826	^[5],[29]	$ 7,149	^[6],[25]
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%
PIK Rate						15.00%
Fair value						$ 0	0
Investment, Identifier [Axis]: BBB Tank Services, LLC, Unsecured Debt 1
Schedule of Investments [Line Items]
Total Rate						16.44%
Spread (as a percent)						11.00%
Fair value						$ 600	800
Investment, Identifier [Axis]: BBB Tank Services, LLC, Unsecured Debt 2
Schedule of Investments [Line Items]
Total Rate						16.44%
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]	$ 3,620
Investment, Identifier [Axis]: BP Loenbro Holdings Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	^{[5],[29],[37]}	11.22%
Spread (as a percent)	^{[5],[29],[37]}	6.00%
Principal	^{[5],[29],[37]}	$ 1,798
Cost	^{[5],[29],[37]}	1,751
Fair value	^{[5],[29],[37]}	$ 1,798
Investment, Identifier [Axis]: BP Loenbro Holdings Inc., Secured Debt 2
Schedule of Investments [Line Items]
Spread (as a percent)	^{[5],[29],[32]}	6.00%
Principal	^{[5],[29],[32]}	$ 0
Cost	^{[5],[29],[32]}	(24)
Fair value	^{[5],[29],[32]}	$ (24)
Investment, Identifier [Axis]: BP Loenbro Holdings Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	^[5],[29]	11.35%
Spread (as a percent)	^[5],[29]	6.00%
Principal	^[5],[29]	$ 26,339
Cost	^[5],[29]	25,879
Fair value	^[5],[29]	$ 26,339
Investment, Identifier [Axis]: Barfly Ventures, LLC, Member Units
Schedule of Investments [Line Items]
Units (in shares)		37	^[5]	37	^[6]
Cost		$ 1,584	^[5]	$ 1,584	^[6]
Fair value		$ 5,360	^[5]	$ 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	^[26]	4,073	^[27]
Cost		$ 4,095	^[26]	$ 4,095	^[27]
Fair value		$ 5,160	^[26]	6,150	^[27]	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	^[24]
Cost		445		(6)	^[24]
Fair value		$ 445		$ 0	^[24]	$ 0	(8)
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%		10.00%
Principal		$ 270		$ 270
Cost		270		270
Fair value		$ 270		$ 270		$ 630	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		10,524		10,508
Fair value		$ 10,524		$ 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],[38]
Cost		$ 286	^[5]	$ 0	^[6],[38]
Fair value		$ 0	^[5]	$ 200	^[6],[38]
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units 2
Schedule of Investments [Line Items]
Units (in shares)		122,416	^[5],[39]	1,548,387	^{[6],[27],[38]}
Cost		$ 0	^[5],[39]	$ 0	^{[6],[27],[38]}
Fair value		$ 0	^[5],[39]	$ 2,560	^{[6],[27],[38]}
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units 3
Schedule of Investments [Line Items]
Units (in shares)	^[5],[39]	1,548,387
Cost	^[5],[39]	$ 0
Fair value	^[5],[39]	$ 0
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		10.25%	^{[5],[29],[32]}	7.25%	^{[6],[24],[25]}
Principal		$ 0	^{[5],[29],[32]}	$ 0	^{[6],[24],[25]}
Cost		(52)	^{[5],[29],[32]}	(62)	^{[6],[24],[25]}
Fair value		$ (52)	^{[5],[29],[32]}	$ (62)	^{[6],[24],[25]}
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.31%	^[5],[29]	12.64%	^[6],[25]
Spread (as a percent)		10.25%	^[5],[29]	7.25%	^[6],[25]
PIK Rate		9.25%	^[5],[29]	6.25%	^[6],[25]
Principal		$ 31,121	^[5],[29]	$ 29,403	^[6],[25]
Cost		30,791	^[5],[29]	29,006	^[6],[25]
Fair value		$ 25,986	^[5],[29]	$ 27,550	^[6],[25]
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		13.82%	^[11],[29]	16.00%	^[12],[25]
Spread (as a percent)		8.50%	^[11],[29]	7.50%	^[12],[25]
PIK Rate		12.82%	^[11],[29]	15.00%	^[12],[25]
Principal		$ 191	^[11],[29]	$ 1,885	^[12],[25]
Cost		92	^[11],[29]	1,885	^[12],[25]
Fair value		$ 174	^[11],[29]	$ 1,767	^[12],[25]
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.50%	^[11],[29]	13.96%	^[12],[25]
Spread (as a percent)		7.50%	^[11],[29]	8.50%	^[12],[25]
PIK Rate		15.00%	^[11],[29]	12.96%	^[12],[25]
Principal		$ 3,454	^[11],[29]	$ 3,676	^[12],[25]
Cost		3,454	^[11],[29]	3,076	^[12],[25]
Fair value		$ 3,161	^[11],[29]	$ 3,446	^[12],[25]
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	^[11],[29]	13.82%
Spread (as a percent)	^[11],[29]	8.50%
PIK Rate	^[11],[29]	12.82%
Principal	^[11],[29]	$ 4,055
Cost	^[11],[29]	3,725
Fair value	^[11],[29]	$ 3,710
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	^[26]	2,160,000
Cost		$ 2,256	^[26]	$ 2,256
Fair value		$ 310	^[26]	$ 1,990		$ 2,130	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	^[26]	140,000	^[27]
Total Rate		8.00%	^[26]	8.00%	^[27]	8.00%
Cost		$ 14,000	^[26]	$ 14,000	^[27]
Fair value		34,710	^[26]	$ 31,020	^[27]	$ 31,120	31,420
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	^[25],[40]			14.48%
Spread (as a percent)	^[25],[40]			9.11%
Principal	^[25],[40]			$ 96,556
Cost	^[25],[40]			96,078
Fair value	^[25],[40]			96,556
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Principal	^[32]	0
Cost	^[32]	0
Fair value		$ 0	^[32]			$ 0	0
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		13.27%
Spread (as a percent)		8.02%
Fair value		$ 102,239		96,556
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.27%	^[29],[41]			14.52%
Spread (as a percent)		8.02%	^[29],[41]			9.15%
Principal	^[29],[41]	$ 102,239
Cost	^[29],[41]	101,825
Fair value		102,239	^[29],[41]			$ 97,216	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		$ 501	^[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],[29],[32]}	7.00%	^{[6],[9],[14],[24],[25]}
Principal		$ 0	^{[5],[7],[13],[29],[32]}	$ 0	^{[6],[9],[14],[24],[25]}
Cost		(20)	^{[5],[7],[13],[29],[32]}	(25)	^{[6],[9],[14],[24],[25]}
Fair value		$ (20)	^{[5],[7],[13],[29],[32]}	$ (25)	^{[6],[9],[14],[24],[25]}
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.48%	^{[5],[7],[13],[29]}	11.54%	^{[6],[9],[14],[25]}
Spread (as a percent)		6.00%	^{[5],[7],[13],[29]}	6.00%	^{[6],[9],[14],[25]}
Principal		$ 6,357	^{[5],[7],[13],[29]}	$ 6,405	^{[6],[9],[14],[25]}
Cost		6,265	^{[5],[7],[13],[29]}	6,294	^{[6],[9],[14],[25]}
Fair value		$ 6,357	^{[5],[7],[13],[29]}	$ 6,405	^{[6],[9],[14],[25]}
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		13.48%	^{[5],[7],[13],[29]}	13.54%	^{[6],[9],[14],[25]}
Spread (as a percent)		8.00%	^{[5],[7],[13],[29]}	8.00%	^{[6],[9],[14],[25]}
Principal		$ 6,357	^{[5],[7],[13],[29]}	$ 6,405	^{[6],[9],[14],[25]}
Cost		6,265	^{[5],[7],[13],[29]}	6,294	^{[6],[9],[14],[25]}
Fair value		$ 6,357	^{[5],[7],[13],[29]}	$ 6,405	^{[6],[9],[14],[25]}
Investment, Identifier [Axis]: Brainworks Software, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.25%	^{[5],[28],[29],[30]}	15.75%	^{[6],[25],[31],[36]}
Spread (as a percent)		7.25%	^{[5],[28],[29],[30]}	7.25%	^{[6],[25],[31],[36]}
Principal		$ 761	^{[5],[28],[29],[30]}	$ 761	^{[6],[25],[31],[36]}
Cost		761	^{[5],[28],[29],[30]}	761	^{[6],[25],[31],[36]}
Fair value		$ 761	^{[5],[28],[29],[30]}	$ 761	^{[6],[25],[31],[36]}
Investment, Identifier [Axis]: Brainworks Software, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.25%	^{[5],[28],[29],[30]}	15.75%	^{[6],[25],[31],[36]}
Spread (as a percent)		7.25%	^{[5],[28],[29],[30]}	7.25%	^{[6],[25],[31],[36]}
Principal		$ 7,056	^{[5],[28],[29],[30]}	$ 7,056	^{[6],[25],[31],[36]}
Cost		7,056	^{[5],[28],[29],[30]}	7,056	^{[6],[25],[31],[36]}
Fair value		$ 750	^{[5],[28],[29],[30]}	$ 1,075	^{[6],[25],[31],[36]}
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		2,950	^[26]	2,950	^[27]
Cost		$ 4,280	^[26]	$ 4,280	^[27]
Fair value		$ 5,431	^[26]	$ 5,620	^[27]	$ 5,620	7,080
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		15.35%	^[29]	15.46%	^[25]	15.44%
Spread (as a percent)		10.00%	^[29]	10.00%	^[25]	10.00%
Principal		$ 5,140	^[29]	$ 5,498	^[25]
Cost		5,140	^[29]	5,498	^[25]
Fair value		$ 5,140	^[29]	$ 5,498	^[25]	$ 5,505	5,964
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		17,742	^[26],[39]	17,742	^[27],[38]
Cost		$ 1,000	^[26],[39]	$ 1,000	^[27],[38]
Fair value		0	^[26],[39]	$ 1,000	^[27],[38]	$ 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%
Principal				$ 8,813
Cost				8,813
Fair value		0		$ 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%
Principal				$ 1,000
Cost				1,000
Fair value		$ 0		$ 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		0	^[22]	4,290	^[23]
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Warrants 1
Schedule of Investments [Line Items]
Fair value		0		1,808		1,874	1,828
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Warrants 2
Schedule of Investments [Line Items]
Fair value		$ 0		$ 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],[42]	1.55%	^{[9],[10],[43]}
Cost		$ 5,639	^[7],[8],[42]	$ 6,527	^{[9],[10],[43]}
Fair value		$ 3,468	^[7],[8],[42]	$ 4,080	^{[9],[10],[43]}
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],[26],[42]}	0.59%	^{[9],[10],[27],[43]}
Cost		$ 4,300	^{[7],[8],[26],[42]}	$ 4,350	^{[9],[10],[27],[43]}
Fair value		$ 4,401	^{[7],[8],[26],[42]}	$ 4,358	^{[9],[10],[27],[43]}
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],[26],[42]}	0.82%	^{[9],[10],[27],[43]}
Cost		$ 3,000	^{[7],[8],[26],[42]}	$ 2,000	^{[9],[10],[27],[43]}
Fair value		$ 3,211	^{[7],[8],[26],[42]}	$ 2,448	^{[9],[10],[27],[43]}
Investment, Identifier [Axis]: Buca C, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)				6
Total Rate		6.00%		6.00%		6.00%
PIK Rate		6.00%		6.00%		6.00%
Cost				$ 4,770
Fair value		$ 0		$ 0		$ 0	0
Investment, Identifier [Axis]: Buca C, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		6
Total Rate		6.00%
PIK Rate		6.00%
Principal
Cost		4,770
Fair value		$ 0
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				12.00%	^[36]	12.00%
Principal	^[36]			$ 16,980
Cost	^[36]			16,980
Fair value				12,144	^[36]	$ 12,254	12,337
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	^[30]	15.00%
PIK Rate	^[30]	10.00%
Principal	^[30]	$ 19,995
Cost	^[30]	19,571
Fair value	^[30]	$ 16,226
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		15.00%
PIK Rate		15.00%
Fair value		$ 0		12,144
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	^[30],[32]	15.00%
PIK Rate	^[30],[32]	15.00%
Principal	^[30],[32]	$ 15
Cost	^[30],[32]	0
Fair value		$ 0	^[30],[32]	0
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	^[28],[30]	15.00%
PIK Rate	^[28],[30]	15.00%
Principal	^[28],[30]	$ 9,196
Cost	^[28],[30]	5,862
Fair value	^[28],[30]	$ 0
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt 3.1
Schedule of Investments [Line Items]
Total Rate		15.00%
PIK Rate		10.00%
Fair value		$ 16,226		$ 0
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	^[6],[25]			10.46%
Spread (as a percent)		5.00%	^{[5],[29],[32]}	5.00%	^[6],[25]
Principal		$ 0	^{[5],[29],[32]}	$ 465	^[6],[25]
Cost		(14)	^{[5],[29],[32]}	445	^[6],[25]
Fair value		$ 0	^{[5],[29],[32]}	$ 465	^[6],[25]
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.95%	^[5],[29]	10.46%	^[6],[25]
Spread (as a percent)		5.00%	^[5],[29]	5.00%	^[6],[25]
Principal		$ 18,766	^[5],[29]	$ 19,681	^[6],[25]
Cost		18,586	^[5],[29]	19,455	^[6],[25]
Fair value		$ 18,766	^[5],[29]	$ 19,681	^[6],[25]
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	^[26]	416	^[27]
Cost		$ 1,300	^[26]	$ 1,300	^[27]
Fair value		$ 49,540	^[26]	$ 50,130	^[27]	50,840	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)		6.75%	^{[5],[29],[32]}	7.00%	^{[6],[24],[25]}
Principal		$ 0	^{[5],[29],[32]}	$ 0	^{[6],[24],[25]}
Cost		(52)	^{[5],[29],[32]}	(66)	^{[6],[24],[25]}
Fair value		$ (52)	^{[5],[29],[32]}	$ (66)	^{[6],[24],[25]}
Investment, Identifier [Axis]: CQ Fluency, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Spread (as a percent)		6.75%	^{[5],[29],[32]}	7.00%	^{[6],[24],[25]}
Principal		$ 0	^{[5],[29],[32]}	$ 0	^{[6],[24],[25]}
Cost		(52)	^{[5],[29],[32]}	(66)	^{[6],[24],[25]}
Fair value		$ (52)	^{[5],[29],[32]}	$ (66)	^{[6],[24],[25]}
Investment, Identifier [Axis]: CQ Fluency, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.49%	^[5],[29]	12.45%	^[6],[25]
Spread (as a percent)		6.75%	^[5],[29]	7.00%	^[6],[25]
Principal		$ 10,969	^[5],[29]	$ 11,250	^[6],[25]
Cost		10,715	^[5],[29]	10,920	^[6],[25]
Fair value		$ 10,755	^[5],[29]	$ 10,920	^[6],[25]
Investment, Identifier [Axis]: Café Brazil, LLC, Member Units
Schedule of Investments [Line Items]
Units (in shares)		1,233	^[26]	1,233	^[27]
Cost		$ 1,742	^[26]	$ 1,742	^[27]
Fair value		$ 1,460	^[26]	$ 1,980	^[27]	2,030	2,210
Investment, Identifier [Axis]: California Splendor Holdings LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Units (in shares)		8,671	^[26]	3,671	^[27]
Total Rate		15.00%	^[26]	15.00%	^[27]
PIK Rate		15.00%	^[26]	15.00%	^[27]
Cost		$ 10,541	^[26]	$ 4,601	^[27]
Fair value		10,541	^[26]	4,601	^[27]	$ 20,945	25,495
Investment, Identifier [Axis]: California Splendor Holdings LLC, Preferred Member Units 1.1
Schedule of Investments [Line Items]
Fair value		$ 22,215		$ 15,695
Investment, Identifier [Axis]: California Splendor Holdings LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Units (in shares)		8,729	^[26]	6,157	^[27]
Total Rate						15.00%
PIK Rate						15.00%
Cost		$ 16,402	^[26]	$ 10,775	^[27]
Fair value		$ 22,215	^[26]	15,695	^[27]	$ 4,448	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		$ 10,541		$ 4,601
Investment, Identifier [Axis]: California Splendor Holdings LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				15.69%	^[25],[27]	15.50%
Spread (as a percent)				10.00%	^[25],[27]	10.00%
Principal	^[25],[27]			$ 28,000
Cost	^[25],[27]			27,965
Fair value				27,655	^[25],[27]	$ 27,961	28,000
Investment, Identifier [Axis]: California Splendor Holdings LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		14.00%
PIK Rate		4.00%
Principal		$ 1,513
Cost		1,487
Fair value		$ 1,487
Investment, Identifier [Axis]: California Splendor Holdings LLC, Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		14.00%
PIK Rate		4.00%
Fair value		$ 28,170		27,655
Investment, Identifier [Axis]: California Splendor Holdings LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.00%
PIK Rate		4.00%
Principal		$ 28,622
Cost		28,557
Fair value		$ 28,170
Investment, Identifier [Axis]: California Splendor Holdings LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		14.00%
PIK Rate		4.00%
Fair value		$ 1,487		$ 0
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		11.25%	^[29]	11.38%	^[25]
Spread (as a percent)		6.00%	^[29]	6.00%	^[25]	6.00%
Principal		$ 675	^[29]	$ 900	^[25]
Cost		661	^[29]	881	^[25]
Fair value		$ 661	^[29]	$ 881	^[25]	$ (21)	(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		19,757		19,906
Fair value		$ 19,757		$ 19,906		$ 20,031	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],[24],[25]}			6.00%
Principal	^{[6],[24],[25]}			$ 0
Cost	^{[6],[24],[25]}			(8)
Fair value	^{[6],[24],[25]}			$ (8)
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	^[6],[25]			11.61%
Spread (as a percent)	^[6],[25]			6.00%
Principal	^[6],[25]			$ 7,933
Cost	^[6],[25]			7,872
Fair value	^[6],[25]			$ 7,933
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	^[6],[25]			11.61%
Spread (as a percent)	^[6],[25]			6.00%
Principal	^[6],[25]			$ 6,102
Cost	^[6],[25]			6,061
Fair value	^[6],[25]			$ 6,102
Investment, Identifier [Axis]: CenterPeak Holdings, LLC, Preferred Equity
Schedule of Investments [Line Items]
Units (in shares)	^[26]	3,310
Cost	^[26]	$ 3,635
Fair value	^[26]	14,300
Investment, Identifier [Axis]: CenterPeak Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Principal	^[32]	0
Cost	^[32]	(13)
Fair value	^[32]	$ 0
Investment, Identifier [Axis]: CenterPeak Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.00%
Principal		$ 21,507
Cost		21,406
Fair value		$ 21,507
Investment, Identifier [Axis]: Central Moloney, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	^[5],[29]	11.35%
Spread (as a percent)	^[5],[29]	6.75%
Principal	^[5],[29]	$ 38,584
Cost	^[5],[29]	37,908
Fair value	^[5],[29]	$ 38,320
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		$ 11,960		$ 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%	^[29],[32]	9.00%	^[24],[25]	9.00%
Principal		$ 0	^[29],[32]	$ 0	^[24],[25]
Cost		0	^[29],[32]	0	^[24],[25]
Fair value		$ 0	^[29],[32]	$ 0	^[24],[25]	$ 0	0
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.35%	^[29]	14.48%	^[25]	14.48%
Spread (as a percent)		10.00%	^[29]	9.00%	^[25]	9.00%
Principal		$ 20,462	^[29]	$ 17,574	^[25]
Cost		20,254	^[29]	17,512	^[25]
Fair value		$ 20,462	^[29]	17,574	^[25]	$ 17,574	14,954
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		15.35%
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	^[26]	4,347	^[27]
Cost		$ 11,440	^[26]	$ 11,440	^[27]
Fair value		$ 30,530	^[26]	$ 29,320	^[27]	25,930	22,920
Investment, Identifier [Axis]: Chamberlin Holding LLC, Member Units 2
Schedule of Investments [Line Items]
Units (in shares)		1,047,146	^[26],[39]	1,047,146	^[27],[38]
Cost		$ 1,773	^[26],[39]	$ 1,773	^[27],[38]
Fair value		$ 3,220	^[26],[39]	$ 2,860	^[27],[38]	$ 2,970	2,710
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		6.00%	^[29],[32]	6.00%	^[24],[25]	6.00%
Principal		$ 0	^[29],[32]	$ 0	^[24],[25]
Cost		(127)	^[29],[32]	(195)	^[24],[25]
Fair value		$ 0	^[29],[32]	$ 0	^[24],[25]	$ 0	0
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.36%	^[29]	13.49%	^[25]	13.49%
Spread (as a percent)		8.00%	^[29]	8.00%	^[25]	8.00%
Principal		$ 15,620	^[29]	$ 15,620	^[25]
Cost		15,618	^[29]	15,617	^[25]
Fair value		$ 15,620	^[29]	$ 15,620	^[25]	$ 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		12.02%	^{[5],[29],[37]}	12.60%	^{[6],[25],[44]}
Spread (as a percent)		7.00%	^{[5],[29],[37]}	7.00%	^{[6],[25],[44]}
Principal		$ 5,075	^{[5],[29],[37]}	$ 2,071	^{[6],[25],[44]}
Cost		4,946	^{[5],[29],[37]}	1,901	^{[6],[25],[44]}
Fair value		$ 4,756	^{[5],[29],[37]}	$ 1,988	^{[6],[25],[44]}
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.55%	^[5],[29]	12.66%	^[6],[25]
Spread (as a percent)		7.00%	^[5],[29]	7.00%	^[6],[25]
Principal		$ 36,260	^[5],[29]	$ 36,540	^[6],[25]
Cost		35,911	^[5],[29]	36,077	^[6],[25]
Fair value		$ 33,982	^[5],[29]	$ 35,064	^[6],[25]
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.55%	^[5],[29]	12.66%	^[6],[25]
Spread (as a percent)		7.00%	^[5],[29]	7.00%	^[6],[25]
Principal		$ 2,009	^[5],[29]	$ 2,024	^[6],[25]
Cost		1,990	^[5],[29]	1,999	^[6],[25]
Fair value		$ 1,883	^[5],[29]	$ 1,943	^[6],[25]
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		12.55%	^[5],[29]	12.66%	^[6],[25]
Spread (as a percent)		7.00%	^[5],[29]	7.00%	^[6],[25]
Principal		$ 4,855	^[5],[29]	$ 4,893	^[6],[25]
Cost		4,779	^[5],[29]	4,792	^[6],[25]
Fair value		$ 4,550	^[5],[29]	$ 4,695	^[6],[25]
Investment, Identifier [Axis]: Charps, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		1,829	^[26]	1,829	^[27]
Cost		$ 1,963	^[26]	$ 1,963	^[27]
Fair value		$ 15,580	^[26]	$ 15,690	^[27]	$ 14,010	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		5,044		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	^[26]	717	^[27]
Cost		$ 7,280	^[26]	$ 7,280	^[27]
Fair value		$ 8,840	^[26]	$ 5,200	^[27]	5,580	8,220
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Member Units 2
Schedule of Investments [Line Items]
Units (in shares)		800	^[39]	800	^[38]
Cost		$ 509	^[39]	$ 509	^[38]
Fair value		950	^[39]	1,129	^[38]	1,129	610
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Principal		0	^[32]	0	^[24]
Cost		0	^[32]	0	^[24]
Fair value		$ 0	^[32]	$ 0	^[24]	$ 0	0
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%		11.50%		11.50%
Principal		$ 7,160		$ 8,560
Cost		7,131		8,560
Fair value		$ 7,131		$ 8,422		$ 8,652	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		$ 983		$ 1,013
Cost		975		1,004
Fair value		975		1,004		$ 1,013	1,039
Investment, Identifier [Axis]: Clarius BIGS, LLC, Secured Debt
Schedule of Investments [Line Items]
Principal		2,668	^{[5],[28],[30]}	2,677	^{[6],[31],[36]}
Cost		2,668	^{[5],[28],[30]}	2,677	^{[6],[31],[36]}
Fair value		$ 17	^{[5],[28],[30]}	$ 16	^{[6],[31],[36]}
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		154	^[26]	154	^[27]
Cost		$ 0	^[26]	$ 5,760	^[27]
Fair value		$ 2,650	^[26]	$ 16,000	^[27]	$ 16,000	24,637
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				11.69%	^[25]	11.50%
Spread (as a percent)		6.00%		6.00%	^[25]	6.00%
Principal	^[25]			$ 4,560
Cost	^[25]			4,560
Fair value		$ 0		$ 4,560	^[25]	$ 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	^[26],[39]	587	^[27],[38]
Cost		$ 8,317	^[26],[39]	$ 8,317	^[27],[38]
Fair value		69,960	^[26],[39]	72,470	^[27],[38]	69,150	58,180
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Principal		0	^[32]	0	^[24]
Cost		(13)	^[32]	(11)	^[24]
Fair value		$ 0	^[32]	$ 0	^[24]	$ 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		$ 39,863		$ 42,073
Cost		39,840		42,042
Fair value		$ 39,863		$ 42,073		$ 43,556	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)	^[26]	17,280
Cost	^[26]	$ 7,680
Fair value	^[26]	13,120
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