Consolidated Schedule of Investments

v3.24.1.1.u2

Consolidated Schedule of Investments - USD ($) $ in Thousands		Mar. 31, 2024		Dec. 31, 2023		Mar. 31, 2023	Dec. 31, 2022
Schedule of Investments [Line Items]
Cost		$ 3,947,530	[1]	$ 3,725,960	[2]
Fair value		$ 4,548,027	[3]	$ 4,286,271	[4]
Investment owned, percent of net assets (as a percent)		180.80%		173.00%
Analytical Systems Keco Holdings, LLC
Schedule of Investments [Line Items]
Cost		$ 10,193		$ 10,246
Fair value		9,800		9,163
ASC Interests, LLC
Schedule of Investments [Line Items]
Cost		3,728		3,727
Fair value		2,364		2,363
ATS Workholding, LLC
Schedule of Investments [Line Items]
Cost		8,817	[5]	8,647	[6]
Fair value		600	[5]	801	[6]
Barfly Ventures, LLC
Schedule of Investments [Line Items]
Cost		2,295	[5]	2,295	[6]
Fair value		5,331	[5]	4,851	[6]
Batjer TopCo, LLC
Schedule of Investments [Line Items]
Cost		15,322		14,867
Fair value		17,444		16,995
Bolder Panther Group, LLC
Schedule of Investments [Line Items]
Cost		116,945		110,078
Fair value		136,442		127,576
Brewer Crane Holdings, LLC
Schedule of Investments [Line Items]
Cost		9,654		9,778
Fair value		11,094		11,118
Bridge Capital Solutions Corporation
Schedule of Investments [Line Items]
Cost		12,945		12,945
Fair value		15,103		15,103
California Splendor Holdings LLC
Schedule of Investments [Line Items]
Cost		48,554		43,341
Fair value		53,087		47,951
Centre Technologies Holdings, LLC
Schedule of Investments [Line Items]
Cost		27,839		23,634
Fair value		34,123		28,614
Chamberlin Holding LLC
Schedule of Investments [Line Items]
Cost		28,658		28,635
Fair value		48,190		47,800
Charps, LLC
Schedule of Investments [Line Items]
Cost		6,762		6,641
Fair value		21,734		21,384
Clad-Rex Steel, LLC
Schedule of Investments [Line Items]
Cost		17,332		17,353
Fair value		14,415		15,755
Cody Pools, Inc.
Schedule of Investments [Line Items]
Cost		49,709		50,348
Fair value		115,637		114,543
Colonial Electric Company LLC
Schedule of Investments [Line Items]
Cost		28,611		30,586
Fair value		30,701		31,707
CompareNetworks Topco, LLC
Schedule of Investments [Line Items]
Cost		5,068		5,429
Fair value		17,182		17,904
Compass Systems & Sales, LLC
Schedule of Investments [Line Items]
Cost		24,496		24,488
Fair value		24,496		24,488
Cybermedia Technologies, LLC
Schedule of Investments [Line Items]
Cost		43,044		43,389
Fair value		44,064		43,389
Datacom, LLC
Schedule of Investments [Line Items]
Cost		11,144		11,130
Fair value		8,199		8,104
Digital Products Holdings LLC
Schedule of Investments [Line Items]
Cost		22,828		24,259
Fair value		23,095		24,525
Direct Marketing Solutions, Inc.
Schedule of Investments [Line Items]
Cost		33,405		35,031
Fair value		45,373		47,516
Elgin AcquireCo, LLC
Schedule of Investments [Line Items]
Cost		31,693		32,161
Fair value		32,169		32,637
Gamber-Johnson Holdings, LLC
Schedule of Investments [Line Items]
Cost		69,929		71,505
Fair value		159,028		150,788
Garreco, LLC
Schedule of Investments [Line Items]
Cost		4,288		4,288
Fair value		4,668		4,668
GRT Rubber Technologies LLC
Schedule of Investments [Line Items]
Cost		55,831		55,819
Fair value		87,333		87,333
Gulf Publishing Holdings, LLC
Schedule of Investments [Line Items]
Cost		11,681		11,681
Fair value		3,814		4,744
Harris Preston Fund Investments
Schedule of Investments [Line Items]
Cost		3,593	[7],[8]	3,593	[9],[10]
Fair value		6,365	[7],[8]	6,365	[9],[10]
IG Investor, LLC
Schedule of Investments [Line Items]
Cost		50,883		51,299
Fair value		50,883		51,299
Jensen Jewelers of Idaho, LLC
Schedule of Investments [Line Items]
Cost		2,711		2,809
Fair value		14,560		14,418
JorVet Holdings, LLC
Schedule of Investments [Line Items]
Cost		36,237		36,224
Fair value		36,237		36,224
KBK Industries, LLC
Schedule of Investments [Line Items]
Cost		5,248		5,445
Fair value		28,860		27,470
Kickhaefer Manufacturing Company, LLC
Schedule of Investments [Line Items]
Cost		36,803		36,811
Fair value		36,881		35,999
Metalforming Holdings, LLC
Schedule of Investments [Line Items]
Cost		29,950		31,195
Fair value		31,011		31,158
MH Corbin Holding LLC
Schedule of Investments [Line Items]
Cost		15,720		15,800
Fair value		5,272		5,352
MS Private Loan Fund I, LP
Schedule of Investments [Line Items]
Cost		16,250	[7],[8]	14,250	[9],[10]
Fair value		16,527	[7],[8]	14,527	[9],[10]
MS Private Loan Fund II, LP
Schedule of Investments [Line Items]
Cost		31,158	[7],[8]	24,928	[9],[10]
Fair value		31,243	[7],[8]	24,928	[9],[10]
Mystic Logistics Holdings, LLC
Schedule of Investments [Line Items]
Cost		8,446		8,466
Fair value		32,136		32,136
Nebraska Vet AcquireCo, LLC
Schedule of Investments [Line Items]
Cost		43,137		43,116
Fair value		55,704		51,314
NexRev LLC
Schedule of Investments [Line Items]
Cost		19,577		17,964
Fair value		19,574		16,101
NRP Jones, LLC
Schedule of Investments [Line Items]
Cost		5,797		5,797
Fair value		3,599		3,599
NuStep, LLC
Schedule of Investments [Line Items]
Cost		34,291		34,288
Fair value		37,379		36,416
OMi Topco, LLC
Schedule of Investments [Line Items]
Cost		13,022		13,762
Fair value		53,220		49,130
Orttech Holdings, LLC
Schedule of Investments [Line Items]
Cost		31,856		31,925
Fair value		38,300		39,090
Pearl Meyer Topco LLC
Schedule of Investments [Line Items]
Cost		69,545		64,054
Fair value		105,821		95,271
Pinnacle TopCo, LLC
Schedule of Investments [Line Items]
Cost		43,099		43,323
Fair value		43,099		43,323
PPL RVs, Inc.
Schedule of Investments [Line Items]
Cost		21,848		22,078
Fair value		35,871		37,225
Principle Environmental, LLC
Schedule of Investments [Line Items]
Cost		12,744		12,738
Fair value		17,095		17,089
Robbins Bros. Jewelry, Inc.
Schedule of Investments [Line Items]
Cost		44,525		44,953
Fair value		24,345		30,772
Tedder Industries, LLC
Schedule of Investments [Line Items]
Cost		27,510		27,510
Fair value		9,665		15,988
Televerde, LLC
Schedule of Investments [Line Items]
Cost		2,008		2,008
Fair value		5,113		6,528
Trantech Radiator Topco, LLC
Schedule of Investments [Line Items]
Cost		12,489		12,565
Fair value		19,530		20,660
Volusion, LLC
Schedule of Investments [Line Items]
Cost		26,307		27,322
Fair value		9,350		9,350
VVS Holdco LLC
Schedule of Investments [Line Items]
Cost		40,289		40,275
Fair value		40,289		40,275
Ziegler’s NYPD, LLC
Schedule of Investments [Line Items]
Cost		7,634		7,634
Fair value		3,362		3,475
AAC Holdings, Inc.
Schedule of Investments [Line Items]
Cost		18,775	[11]	17,537	[12]
Fair value		15,528	[11]	14,313	[12]
Boccella Precast Products LLC
Schedule of Investments [Line Items]
Cost		2,576		2,576
Fair value		1,350		2,310
Buca C, LLC
Schedule of Investments [Line Items]
Cost		21,750		21,750
Fair value		12,144		12,144
Career Team Holdings, LLC
Schedule of Investments [Line Items]
Cost		24,219		25,287
Fair value		24,219		25,287
Classic H&G Holdings, LLC
Schedule of Investments [Line Items]
Cost		28,755		29,544
Fair value		40,504		39,834
DMA Industries, LLC
Schedule of Investments [Line Items]
Cost		24,638		24,629
Fair value		24,740		26,460
Dos Rios Partners
Schedule of Investments [Line Items]
Cost		8,318	[7],[8]	8,318	[9],[10]
Fair value		11,074	[7],[8]	11,074	[9],[10]
Freeport Financial Funds
Schedule of Investments [Line Items]
Cost		7,019	[7],[8]	7,019	[9],[10]
Fair value		6,640	[7],[8]	6,716	[9],[10]
GFG Group, LLC
Schedule of Investments [Line Items]
Cost		14,207		14,202
Fair value		19,155		20,805
Gulf Manufacturing, LLC
Schedule of Investments [Line Items]
Cost	[7],[13]	42,538
Fair value	[7],[13]	51,560
Harris Preston Fund Investments
Schedule of Investments [Line Items]
Cost		8,219	[7],[8]	8,219	[9],[10]
Fair value		10,864	[7],[8]	10,863	[9],[10]
Hawk Ridge Systems, LLC
Schedule of Investments [Line Items]
Cost		49,592		50,116
Fair value		65,522		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		21,557		21,403
Fair value		21,557		21,403
Integral Energy Services
Schedule of Investments [Line Items]
Cost		14,590	[5]	15,906	[6]
Fair value		13,412	[5]	14,351	[6]
Iron-Main Investments, LLC
Schedule of Investments [Line Items]
Cost		48,718		48,885
Fair value		48,642		48,809
ITA Holdings Group, LLC
Schedule of Investments [Line Items]
Cost		10,650		10,464
Fair value		10,650		10,464
Johnson Downie Opco, LLC
Schedule of Investments [Line Items]
Cost		27,697		27,683
Fair value		33,997		33,827
OnAsset Intelligence, Inc.
Schedule of Investments [Line Items]
Cost		12,683		12,683
Fair value		2,797		3,172
Oneliance, LLC
Schedule of Investments [Line Items]
Cost		6,462		6,539
Fair value		$ 6,462		$ 6,478
SI East, LLC
Schedule of Investments [Line Items]
Total Rate		12.45%		11.25%
Cost		$ 56,942		$ 56,928
Fair value		74,831		74,831
Slick Innovations, LLC
Schedule of Investments [Line Items]
Cost		18,679		11,801
Fair value		20,660		13,750
Student Resource Center, LLC
Schedule of Investments [Line Items]
Cost		4,884	[5]	4,884	[6]
Fair value		1,733	[5]	3,190	[6]
Superior Rigging & Erecting Co.
Schedule of Investments [Line Items]
Cost		24,938		24,927
Fair value		26,379		26,367
The Affiliati Network, LLC
Schedule of Investments [Line Items]
Cost		13,708		14,197
Fair value		13,580		14,069
UniTek Global Services, Inc.
Schedule of Investments [Line Items]
Cost		19,171	[11]	18,942	[12]
Fair value		12,557	[11]	12,328	[12]
Universal Wellhead Services Holdings, LLC
Schedule of Investments [Line Items]
Cost		5,032	[5]	5,032	[6]
Fair value		100	[5]	150	[6]
Urgent DSO LLC
Schedule of Investments [Line Items]
Cost		12,758
Fair value		12,758
World Micro Holdings, LLC
Schedule of Investments [Line Items]
Cost		15,879		15,873
Fair value		15,879		15,873
AB Centers Acquisition Corporation
Schedule of Investments [Line Items]
Cost		24,644	[5]	22,440	[6]
Fair value		25,309	[5]	23,110	[6]
Acumera, Inc.
Schedule of Investments [Line Items]
Cost		24,382	[5]	24,524	[6]
Fair value		24,747	[5]	24,904	[6]
Adams Publishing Group, LLC
Schedule of Investments [Line Items]
Cost		28,446	[5]	29,009	[6]
Fair value		27,400	[5]	28,468	[6]
American Health Staffing Group, Inc.
Schedule of Investments [Line Items]
Cost		6,491	[5]	6,504	[6]
Fair value		6,526	[5]	6,542	[6]
American Nuts, LLC
Schedule of Investments [Line Items]
Cost		32,311	[5]	31,640	[6]
Fair value		22,882	[5]	23,268	[6]
American Teleconferencing Services, Ltd.
Schedule of Investments [Line Items]
Cost		16,747	[11]	16,686	[12]
Fair value		450	[11]	781	[12]
ArborWorks, LLC
Schedule of Investments [Line Items]
Cost		25,337	[5]	23,350	[6]
Fair value		24,552	[5]	23,116	[6]
ATS Operating, LLC
Schedule of Investments [Line Items]
Cost		14,400	[5]	14,400	[6]
Fair value		14,400	[5]	14,350	[6]
AVEX Aviation Holdings, LLC
Schedule of Investments [Line Items]
Cost		24,655	[5]	24,661	[6]
Fair value		25,052	[5]	24,934	[6]
Berry Aviation, Inc.
Schedule of Investments [Line Items]
Cost		293	[5]	0	[6]
Fair value		1,999	[5]	2,760	[6]
Bettercloud, Inc.
Schedule of Investments [Line Items]
Cost		29,436	[5]	28,944	[6]
Fair value		28,327	[5]	27,488	[6]
Bluestem Brands, Inc.
Schedule of Investments [Line Items]
Cost		7,434	[11]	5,998	[12]
Fair value		6,409	[11]	5,883	[12]
Bond Brand Loyalty ULC
Schedule of Investments [Line Items]
Cost		13,118	[5],[7],[13]	13,134	[6],[9],[14]
Fair value		13,255	[5],[7],[13]	13,285	[6],[9],[14]
BP Loenbro Holdings Inc.
Schedule of Investments [Line Items]
Cost	[5]	28,412
Fair value	[5]	28,412
Brainworks Software, LLC
Schedule of Investments [Line Items]
Cost		7,817	[5]	7,817	[6]
Fair value		1,682	[5]	1,836	[6]
Brightwood Capital Fund Investments
Schedule of Investments [Line Items]
Cost		12,640	[7],[8]	12,877	[9],[10]
Fair value		10,603	[7],[8]	10,886	[9],[10]
Burning Glass Intermediate Holding Company, Inc.
Schedule of Investments [Line Items]
Cost		20,025	[5]	19,900	[6]
Fair value		20,256	[5]	20,146	[6]
CAI Software LLC
Schedule of Investments [Line Items]
Cost		2,142		1,789
Fair value		2,142		1,789
CaseWorthy, Inc.
Schedule of Investments [Line Items]
Cost		14,144	[5]	14,171	[6]
Fair value		14,238	[5]	14,273	[6]
Channel Partners Intermediateco, LLC
Schedule of Investments [Line Items]
Cost		44,306	[5]	44,769	[6]
Fair value		42,761	[5]	43,690	[6]
Computer Data Source, LLC
Schedule of Investments [Line Items]
Cost		22,780	[5]	23,067	[6]
Fair value		22,550	[5]	22,605	[6]
CQ Fluency, LLC
Schedule of Investments [Line Items]
Cost		10,822	[5]	10,788	[6]
Fair value		10,906	[5]	10,788	[6]
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		4,041	[5]	3,920	[6]
Fair value		3,953	[5]	3,831	[6]
Eastern Wholesale Fence LLC
Schedule of Investments [Line Items]
Cost		27,692	[5]	27,882	[6]
Fair value		27,088	[5]	26,994	[6]
EnCap Energy Fund Investments
Schedule of Investments [Line Items]
Cost		27,775	[7],[8]	25,431	[9],[10]
Fair value		17,500	[7],[8]	15,864	[9],[10]
Engineering Research & Consulting, LLC
Schedule of Investments [Line Items]
Cost		16,396	[5]	15,864	[6]
Fair value		16,469	[5]	16,134	[6]
Escalent, Inc.
Schedule of Investments [Line Items]
Cost		26,216	[5]	26,248	[6]
Fair value		26,994	[5]	27,008	[6]
Event Holdco, LLC
Schedule of Investments [Line Items]
Cost		48,493	[5]	47,575	[6]
Fair value		48,104	[5]	46,999	[6]
Fuse, LLC
Schedule of Investments [Line Items]
Cost		2,066	[11]	2,066	[12]
Fair value		1,231	[11]	1,320	[12]
Garyline, LLC
Schedule of Investments [Line Items]
Cost		32,665	[5]	31,979	[6]
Fair value		33,471	[5]	31,979	[6]
GS HVAM Intermediate, LLC
Schedule of Investments [Line Items]
Cost		13,108	[5]	13,314	[6]
Fair value		13,130	[5]	13,339	[6]
GULF PACIFIC ACQUISITION, LLC
Schedule of Investments [Line Items]
Cost		4,276	[5]	4,282	[6]
Fair value		4,314	[5]	4,370	[6]
HDC/HW Intermediate Holdings
Schedule of Investments [Line Items]
Cost		2,945	[5]	4,121	[6]
Fair value		2,945	[5]	3,742	[6]
HEADLANDS OP-CO LLC
Schedule of Investments [Line Items]
Cost		22,927	[5]	22,958	[6]
Fair value		23,251	[5]	23,307	[6]
IG Parent Corporation
Schedule of Investments [Line Items]
Cost		15,087	[11]	14,173	[12]
Fair value		15,256	[11]	14,352	[12]
Imaging Business Machines, L.L.C.
Schedule of Investments [Line Items]
Cost		22,471	[5]	22,883	[6]
Fair value		23,112	[5]	23,318	[6]
Infolinks Media Buyco, LLC
Schedule of Investments [Line Items]
Cost		9,048	[5]	9,143	[6]
Fair value		9,152	[5]	9,256	[6]
Insight Borrower Corporation
Schedule of Investments [Line Items]
Cost		14,527	[5]	14,538	[6]
Fair value		14,434	[5]	$ 14,787	[6]
Inspire Aesthetics Management, LLC
Schedule of Investments [Line Items]
Spread (as a percent)				2.00%
Cost		11,200	[5]	$ 11,212	[6]
Fair value		10,857	[5]	11,080	[6]
Interface Security Systems, L.L.C
Schedule of Investments [Line Items]
Cost		9,072	[5]	9,072	[6]
Fair value		1,697	[5]	2,212	[6]
Invincible Boat Company, LLC.
Schedule of Investments [Line Items]
Cost		16,858	[5]	17,263	[6]
Fair value		16,718	[5]	17,024	[6]
Isagenix International, LLC
Schedule of Investments [Line Items]
Cost		2,696	[11]	2,374	[12]
Fair value		2,576	[11]	2,301	[12]
Jackmont Hospitality, Inc.
Schedule of Investments [Line Items]
Cost		3,027	[5]	2,907	[6]
Fair value		4,016	[5]	3,899	[6]
Joerns Healthcare, LLC
Schedule of Investments [Line Items]
Cost		9,981	[11]	10,857	[12]
Fair value		3,327	[11]	2,354	[12]
JTI Electrical & Mechanical, LLC
Schedule of Investments [Line Items]
Cost		47,553	[5]	40,282	[6]
Fair value		47,727	[5]	40,847	[6]
KMS, LLC
Schedule of Investments [Line Items]
Cost		8,355	[5]	8,367	[6]
Fair value		7,859	[5]	7,725	[6]
LL Management, Inc.
Schedule of Investments [Line Items]
Cost		29,554	[5]	27,678	[6]
Fair value		29,608	[5]	27,759	[6]
Mako Steel, LP
Schedule of Investments [Line Items]
Cost		19,078	[5]	14,886	[6]
Fair value		19,353	[5]	15,049	[6]
Microbe Formulas, LLC
Schedule of Investments [Line Items]
Cost		21,825	[5]	21,804	[6]
Fair value		22,120	[5]	22,117	[6]
Mini Melts of America, LLC
Schedule of Investments [Line Items]
Cost		11,592	[5]	10,047	[6]
Fair value		11,720	[5]	10,047	[6]
MonitorUS Holding, LLC
Schedule of Investments [Line Items]
Cost		32,290	[5],[7],[13]	31,783	[6],[9],[14]
Fair value		33,133	[5],[7],[13]	32,993	[6],[9],[14]
NinjaTrader, LLC
Schedule of Investments [Line Items]
Cost		28,462	[5]	27,335	[6]
Fair value		28,778	[5]	27,681	[6]
Power System Solutions
Schedule of Investments [Line Items]
Cost		25,074	[5]	19,000	[6]
Fair value		26,155	[5]	19,414	[6]
PrimeFlight Aviation Services
Schedule of Investments [Line Items]
Cost		9,225	[5]	8,488	[6]
Fair value		9,460	[5]	8,720	[6]
PTL US Bidco, Inc
Schedule of Investments [Line Items]
Cost		24,300	[5],[7],[13]	28,969	[6],[9],[14]
Fair value		24,729	[5],[7],[13]	29,261	[6],[9],[14]
Purge Rite, LLC
Schedule of Investments [Line Items]
Cost		12,859	[5]	12,844	[6]
Fair value		12,982	[5]	12,844	[6]
RA Outdoors LLC
Schedule of Investments [Line Items]
Cost		14,561	[5]	14,096	[6]
Fair value		13,854	[5]	13,284	[6]
Richardson Sales Solutions
Schedule of Investments [Line Items]
Cost		40,324	[5]	41,945	[6]
Fair value		41,266	[5]	42,485	[6]
Roof Opco, LLC
Schedule of Investments [Line Items]
Cost		6,659	[5]	6,648	[6]
Fair value		6,588	[5]	6,580	[6]
RTIC Subsidiary Holdings, LLC
Schedule of Investments [Line Items]
Cost		16,820	[5]	15,368	[6]
Fair value		16,680	[5]	15,044	[6]
Rug Doctor, LLC.
Schedule of Investments [Line Items]
Cost		13,683	[5]	13,808	[6]
Fair value		13,753	[5]	13,830	[6]
South Coast Terminals Holdings, LLC
Schedule of Investments [Line Items]
Cost		33,704	[5]	35,730	[6]
Fair value		34,036	[5]	36,116	[6]
SPAU Holdings, LLC
Schedule of Investments [Line Items]
Cost		17,038	[5]	16,100	[6]
Fair value		17,256	[5]	16,228	[6]
Stellant Systems, Inc.
Schedule of Investments [Line Items]
Cost		16,837	[11]	16,192	[12]
Fair value		17,193	[11]	16,504	[12]
Titan Meter Midco Corp.
Schedule of Investments [Line Items]
Cost	[5]	34,102
Fair value	[5]	34,102
U.S. TelePacific Corp.
Schedule of Investments [Line Items]
Cost		3,677	[11]	3,605	[12]
Fair value		3,790	[11]	3,333	[12]
USA DeBusk LLC
Schedule of Investments [Line Items]
Cost		36,237	[5]	36,280	[6]
Fair value		36,714	[5]	36,807	[6]
Veregy Consolidated, Inc.
Schedule of Investments [Line Items]
Cost		17,194	[11]	16,787	[12]
Fair value		17,071	[11]	15,367	[12]
Wall Street Prep, Inc.
Schedule of Investments [Line Items]
Cost		4,030	[5]	4,081	[6]
Fair value		4,494	[5]	4,450	[6]
Watterson Brands, LLC
Schedule of Investments [Line Items]
Cost		30,833	[5]	30,510	[6]
Fair value		31,128	[5]	30,832	[6]
West Star Aviation Acquisition, LLC
Schedule of Investments [Line Items]
Cost		19,589	[5]	19,617	[6]
Fair value		21,920	[5]	21,356	[6]
Winter Services LLC
Schedule of Investments [Line Items]
Cost		19,395	[5]	13,427	[6]
Fair value		19,443	[5]	13,589	[6]
Xenon Arc, Inc.
Schedule of Investments [Line Items]
Cost		60,943	[5]	60,886	[6]
Fair value		61,727	[5]	61,885	[6]
Zips Car Wash, LLC
Schedule of Investments [Line Items]
Cost		21,626	[5]	21,573	[6]
Fair value		21,381	[5]	20,447	[6]
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]
Cost	[6]			21,349
Fair value	[6]			21,422
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
Money Market Funds
Schedule of Investments [Line Items]
Cost		51,859	[1],[15]	15,224	[2],[16]
Fair value		51,859	[3],[15]	15,224	[4],[16]
Control investments
Schedule of Investments [Line Items]
Cost		1,453,666	[1],[17]	1,435,131	[2],[18]
Fair value		$ 2,051,212	[3],[17]	$ 2,006,698	[4],[18]	$ 1,746,003	$ 1,703,172
Investment owned, percent of net assets (as a percent)		81.50%		81.00%
Affiliate investments
Schedule of Investments [Line Items]
Cost		$ 614,825	[1],[19]	$ 575,894	[2],[20]
Fair value		$ 665,949	[3],[19]	$ 615,002	[4],[20]	626,227	618,359
Investment owned, percent of net assets (as a percent)		26.50%		24.80%
Non‑Control/Non‑Affiliate investments
Schedule of Investments [Line Items]
Cost		$ 1,879,039	[1],[21]	$ 1,714,935	[2],[22]
Fair value		$ 1,830,866	[3],[21]	$ 1,664,571	[4],[22]
Investment owned, percent of net assets (as a percent)		72.80%		67.20%
Investment, Identifier [Axis]: 2717 MH, L.P., LP Interests (2717 HPP-MS, L.P.)
Schedule of Investments [Line Items]
Fair value		$ 315		$ 315		248	248
Investment, Identifier [Axis]: 2717 MH, L.P., LP Interests (2717 MH, L.P.)
Schedule of Investments [Line Items]
Fair value		6,050		6,050		7,009	7,552
Investment, Identifier [Axis]: 423 HAR, LP, LP Interests (423 HAR, L.P.)
Schedule of Investments [Line Items]
Fair value		$ 997		$ 996
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]
Principal		$ 460	[11]	$ 423	[12]
Cost		456	[11]	419	[12]
Fair value		$ 454	[11]	$ 418	[12]	$ 309	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		$ 15,245	[11]	$ 14,053	[12]
Cost		15,171	[11]	13,970	[12]
Fair value		$ 15,074	[11]	$ 13,895	[12]	$ 11,855	11,550
Investment, Identifier [Axis]: AAC Holdings, Inc., Warrants
Schedule of Investments [Line Items]
Units (in shares)		574,598	[11],[23]	554,353	[12],[24]
Cost		$ 0	[11],[23]	$ 0	[12],[24]
Fair value		$ 0	[11],[23]	$ 0	[12],[24]	0	0
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		5.00%	[5],[25],[26]	5.00%	[6],[27],[28]
Principal		$ 0	[5],[25],[26]	$ 0	[6],[27],[28]
Cost		(58)	[5],[25],[26]	(62)	[6],[27],[28]
Fair value		$ 0	[5],[25],[26]	$ 0	[6],[27],[28]
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.43%	[5],[26],[29]	11.43%	[6],[27]
Spread (as a percent)		6.00%	[5],[26],[29]	6.00%	[6],[27]
Principal		$ 4,173	[5],[26],[29]	$ 1,921	[6],[27]
Cost		4,115	[5],[26],[29]	1,894	[6],[27]
Fair value		$ 4,173	[5],[26],[29]	$ 1,921	[6],[27]
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.43%	[5],[26]	11.43%	[6],[27]
Spread (as a percent)		6.00%	[5],[26]	6.00%	[6],[27]
Principal		$ 19,767	[5],[26]	$ 19,817	[6],[27]
Cost		19,281	[5],[26]	19,303	[6],[27]
Fair value		$ 19,767	[5],[26]	$ 19,817	[6],[27]
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		11.43%	[5],[26]	11.43%	[6],[27]
Spread (as a percent)		6.00%	[5],[26]	6.00%	[6],[27]
Principal		$ 1,369	[5],[26]	$ 1,372	[6],[27]
Cost		1,306	[5],[26]	1,305	[6],[27]
Fair value		$ 1,369	[5],[26]	$ 1,372	[6],[27]
Investment, Identifier [Axis]: ADS Tactical, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.19%	[11],[26]	11.22%	[12],[27]
Spread (as a percent)		5.75%	[11],[26]	5.75%	[12],[27]
Principal		$ 6,500	[11],[26]	$ 10,952	[12],[27]
Cost		6,455	[11],[26]	10,856	[12],[27]
Fair value		$ 6,535	[11],[26]	$ 10,860	[12],[27]
Investment, Identifier [Axis]: AFG Capital Group, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Fair value						9,400	9,400
Investment, Identifier [Axis]: AMEREQUIP LLC, Common Stock
Schedule of Investments [Line Items]
Units (in shares)		235	[5],[30]	235	[6],[31]
Cost		$ 1,844	[5],[30]	$ 1,844	[6],[31]
Fair value		$ 2,120	[5],[30]	$ 2,120	[6],[31]
Investment, Identifier [Axis]: AMEREQUIP LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)	[6],[27],[28]			7.40%
Principal	[6],[27],[28]			$ 0
Cost	[6],[27],[28]			(108)
Fair value	[6],[27],[28]			$ (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		$ 100		$ 100		$ 700	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		$ 1,649	1,649
Investment, Identifier [Axis]: ASK (Analytical Systems Keco Holdings, LLC), Preferred Member Units 1
Schedule of Investments [Line Items]
Total Rate						14.13%
Fair value						$ 0	0
Investment, Identifier [Axis]: ASK (Analytical Systems Keco Holdings, LLC), Preferred Member Units 2
Schedule of Investments [Line Items]
Fair value						$ 3,588	3,504
Investment, Identifier [Axis]: ASK (Analytical Systems Keco Holdings, LLC), Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)						10.00%
Fair value						$ (2)	(3)
Investment, Identifier [Axis]: ASK (Analytical Systems Keco Holdings, LLC), Secured Debt 2
Schedule of Investments [Line Items]
Total Rate						14.75%
Spread (as a percent)						10.00%
Fair value						$ 4,495	4,545
Investment, Identifier [Axis]: ASK (Analytical Systems Keco Holdings, LLC), Warrants
Schedule of Investments [Line Items]
Fair value						0	0
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		12.09%	[5],[26]	12.16%	[6],[27]
Spread (as a percent)		6.50%	[5],[26]	6.50%	[6],[27]
Principal		$ 360	[5],[26]	$ 360	[6],[27]
Cost		360	[5],[26]	360	[6],[27]
Fair value		$ 360	[5],[26]	$ 360	[6],[27]
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.09%	[5],[26]	11.16%	[6],[27]
Spread (as a percent)		5.50%	[5],[26]	5.50%	[6],[27]
Principal		$ 6,660	[5],[26]	$ 6,660	[6],[27]
Cost		6,660	[5],[26]	6,660	[6],[27]
Fair value		$ 6,660	[5],[26]	$ 6,660	[6],[27]
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		13.09%	[5],[26]	13.16%	[6],[27]
Spread (as a percent)		7.50%	[5],[26]	7.50%	[6],[27]
Principal		$ 6,660	[5],[26]	$ 6,660	[6],[27]
Cost		6,660	[5],[26]	6,660	[6],[27]
Fair value		$ 6,660	[5],[26]	$ 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		$ 257	[5],[32]	$ 328	[6],[33]	$ 523	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		2,842	[5],[32]	2,841	[6],[33]
Fair value		$ 343	[5],[32]	$ 473	[6],[33]	$ 820	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]
PIK Rate						10.00%
Fair value						$ 0	2,598
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Common Equity
Schedule of Investments [Line Items]
Units (in shares)		984	[5],[30]	984	[6],[31]
Cost		$ 965	[5],[30]	$ 965	[6],[31]
Fair value		$ 892	[5],[30]	$ 892	[6],[31]
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		7.25%	[5],[25],[26]	7.25%	[6],[27],[28]
Principal		$ 0	[5],[25],[26]	$ 0	[6],[27],[28]
Cost		(112)	[5],[25],[26]	(120)	[6],[27],[28]
Fair value		$ (112)	[5],[25],[26]	$ (38)	[6],[27],[28]
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.71%	[5],[26]	12.76%	[6],[27]
Spread (as a percent)		7.25%	[5],[26]	7.25%	[6],[27]
Principal		$ 24,539	[5],[26]	$ 24,602	[6],[27]
Cost		23,802	[5],[26]	23,816	[6],[27]
Fair value		$ 24,272	[5],[26]	$ 24,080	[6],[27]
Investment, Identifier [Axis]: Acumera, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		7.00%	[5],[25],[26]	7.50%	[6],[27],[28]
Principal		$ 0	[5],[25],[26]	$ 0	[6],[27],[28]
Cost		(2)	[5],[25],[26]	(2)	[6],[27],[28]
Fair value		$ (2)	[5],[25],[26]	$ (2)	[6],[27],[28]
Investment, Identifier [Axis]: Acumera, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.43%	[5],[26]	12.98%	[6],[27]
Spread (as a percent)		7.00%	[5],[26]	7.50%	[6],[27]
Principal		$ 24,639	[5],[26]	$ 24,796	[6],[27]
Cost		24,384	[5],[26]	24,526	[6],[27]
Fair value		$ 24,639	[5],[26]	$ 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],[26],[36]	11.00%	[6],[27],[37]
Spread (as a percent)		7.00%	[5],[26],[36]	7.00%	[6],[27],[37]
PIK Rate		1.00%	[5],[26],[36]	1.00%	[6],[27],[37]
Principal		$ 7,861	[5],[26],[36]	$ 7,841	[6],[27],[37]
Cost		7,861	[5],[26],[36]	7,841	[6],[27],[37]
Fair value		$ 7,562	[5],[26],[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],[26],[36]	11.00%	[6],[27],[37]
Spread (as a percent)		7.00%	[5],[26],[36]	7.00%	[6],[27],[37]
PIK Rate		1.00%	[5],[26],[36]	1.00%	[6],[27],[37]
Principal		$ 20,621	[5],[26],[36]	$ 21,207	[6],[27],[37]
Cost		20,585	[5],[26],[36]	21,168	[6],[27],[37]
Fair value		$ 19,838	[5],[26],[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],[25],[26]	5.00%	[6],[27],[28]
Principal		$ 0	[5],[25],[26]	$ 0	[6],[27],[28]
Cost		(7)	[5],[25],[26]	(8)	[6],[27],[28]
Fair value		$ (7)	[5],[25],[26]	$ (8)	[6],[27],[28]
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.61%	[5],[26]	13.50%	[6],[27]
Spread (as a percent)		6.00%	[5],[26]	5.00%	[6],[27]
Principal		$ 6,533	[5],[26]	$ 6,550	[6],[27]
Cost		6,498	[5],[26]	6,512	[6],[27]
Fair value		$ 6,533	[5],[26]	$ 6,550	[6],[27]
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.23%	[5],[26]	15.29%	[6],[27]
Spread (as a percent)		9.75%	[5],[26]	9.75%	[6],[27]
PIK Rate		15.23%	[5],[26]	15.29%	[6],[27]
Principal		$ 6,708	[5],[26]	$ 6,462	[6],[27]
Cost		6,665	[5],[26]	6,413	[6],[27]
Fair value		$ 5,405	[5],[26]	$ 5,495	[6],[27]
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.23%	[5],[26]	15.29%	[6],[27]
Spread (as a percent)		9.75%	[5],[26]	9.75%	[6],[27]
PIK Rate		15.23%	[5],[26]	15.29%	[6],[27]
Principal		$ 10,915	[5],[26]	$ 10,507	[6],[27]
Cost		10,832	[5],[26]	10,413	[6],[27]
Fair value		$ 8,794	[5],[26]	$ 8,922	[6],[27]
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		17.23%	[5],[26],[32]	17.29%	[6],[27],[33]
Spread (as a percent)		11.75%	[5],[26],[32]	11.75%	[6],[27],[33]
PIK Rate		17.23%	[5],[26],[32]	17.29%	[6],[27],[33]
Principal		$ 5,705	[5],[26],[32]	$ 5,705	[6],[27],[33]
Cost		5,645	[5],[26],[32]	5,645	[6],[27],[33]
Fair value		$ 3,305	[5],[26],[32]	$ 3,369	[6],[27],[33]
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		17.23%	[5],[26],[32]	17.29%	[6],[27],[33]
Spread (as a percent)		11.75%	[5],[26],[32]	11.75%	[6],[27],[33]
PIK Rate		17.23%	[5],[26],[32]	17.29%	[6],[27],[33]
Principal		$ 9,283	[5],[26],[32]	$ 9,283	[6],[27],[33]
Cost		9,169	[5],[26],[32]	9,169	[6],[27],[33]
Fair value		5,378	[5],[26],[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		13,758	[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		(9,070)		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		$ 9,070
Investment, Identifier [Axis]: Amounts related to investments transferred to or from other 1940 Act classification during the period, Controlled Investments
Schedule of Investments [Line Items]
Fair value						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
Cost		$ 2,427		$ 2,427
Fair value		$ 5,550		4,860
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
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 2.1
Schedule of Investments [Line Items]
Fair value		$ 5,550		$ 4,860
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.38%	[26]	15.38%	[27]
Spread (as a percent)		10.00%	[26]	10.00%	[27]
Principal		$ 220	[26]	$ 220	[27]
Cost		219	[26]	219	[27]
Fair value		$ 219	[26]	$ 219	[27]
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.38%	[26]	15.38%	[27]
Spread (as a percent)		10.00%	[26]	10.00%	[27]
Principal		$ 4,055	[26]	$ 4,125	[27]
Cost		4,031	[26]	4,084	[27]
Fair value		$ 4,031	[26]	$ 4,084	[27]
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Warrants
Schedule of Investments [Line Items]
Units (in shares)		420	[23]	420	[24]
Cost		$ 316	[23]	$ 316	[24]
Fair value		$ 0	[23]	$ 0	[24]
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		$ 13,509	[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		$ 3,676	[5]	$ 1,907	[6]
Cost		3,676	[5]	1,907	[6]
Fair value		$ 3,676	[5]	$ 1,907	[6]
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.94%	[5],[26]	12.04%	[6],[27]
Spread (as a percent)		6.50%	[5],[26]	6.50%	[6],[27]
PIK Rate		12.04%	[5],[26]	12.04%	[6],[27]
Principal		$ 7,367	[5],[26]	$ 7,149	[6],[27]
Cost		7,367	[5],[26]	7,149	[6],[27]
Fair value		$ 7,367	[5],[26]	$ 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		$ 2,060	[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						15.66%
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						15.66%
Spread (as a percent)						11.00%
Fair value						$ 2,086	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]
Spread (as a percent)	[5],[25],[26]	6.25%
Principal	[5],[25],[26]	$ 0
Cost	[5],[25],[26]	(52)
Fair value	[5],[25],[26]	$ (52)
Investment, Identifier [Axis]: BP Loenbro Holdings Inc., Secured Debt 2
Schedule of Investments [Line Items]
Spread (as a percent)	[5],[25],[26]	6.25%
Principal	[5],[25],[26]	$ 0
Cost	[5],[25],[26]	(26)
Fair value	[5],[25],[26]	$ (26)
Investment, Identifier [Axis]: BP Loenbro Holdings Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[5],[26]	11.66%
Spread (as a percent)	[5],[26]	6.25%
Principal	[5],[26]	$ 26,673
Cost	[5],[26]	26,157
Fair value	[5],[26]	$ 26,157
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		$ 4,620	[5]	$ 4,140	[6]	$ 3,037	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	[30]	4,073	[31]
Cost		$ 4,095	[30]	$ 4,095	[31]
Fair value		$ 6,149	[30]	6,150	[31]	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	[28]
Cost		444		(6)	[28]
Fair value		$ 450		$ 0	[28]	(7)	(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%		11.00%
Principal		$ 10,575		$ 10,575
Cost		10,513		10,508
Fair value		$ 10,575		$ 10,575		$ 10,492	10,933
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units 1
Schedule of Investments [Line Items]
Units (in shares)		122,416	[5],[40]	122,416	[6],[41]
Cost		$ 0	[5],[40]	$ 0	[6],[41]
Fair value		$ 70	[5],[40]	$ 200	[6],[41]
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units 2
Schedule of Investments [Line Items]
Units (in shares)		1,548,387	[5],[30],[40]	1,548,387	[6],[31],[41]
Cost		$ 0	[5],[30],[40]	$ 0	[6],[31],[41]
Fair value		$ 880	[5],[30],[40]	$ 2,560	[6],[31],[41]
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units 3
Schedule of Investments [Line Items]
Units (in shares)	[5]	293,007
Cost	[5]	$ 293
Fair value	[5]	$ 1,049
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		7.25%	[5],[25],[26]	7.25%	[6],[27],[28]
Principal		$ 0	[5],[25],[26]	$ 0	[6],[27],[28]
Cost		(59)	[5],[25],[26]	(62)	[6],[27],[28]
Fair value		$ (59)	[5],[25],[26]	$ (62)	[6],[27],[28]
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.59%	[5],[26]	12.64%	[6],[27]
Spread (as a percent)		7.25%	[5],[26]	7.25%	[6],[27]
PIK Rate		6.25%	[5],[26]	6.25%	[6],[27]
Principal		$ 29,870	[5],[26]	$ 29,403	[6],[27]
Cost		29,495	[5],[26]	29,006	[6],[27]
Fair value		$ 28,386	[5],[26]	$ 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		$ 500	[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		$ 70	[11]	$ 550	[12]
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[12],[27]			16.00%
Spread (as a percent)		8.50%	[11],[25],[26]	7.50%	[12],[27]
PIK Rate	[12],[27]			15.00%
Principal		$ 0	[11],[25],[26]	$ 1,885	[12],[27]
Cost		0	[11],[25],[26]	1,885	[12],[27]
Fair value		$ 0	[11],[25],[26]	$ 1,767	[12],[27]
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		16.00%	[11],[26]	13.96%	[12],[27]
Spread (as a percent)		7.50%	[11],[26]	8.50%	[12],[27]
PIK Rate		15.00%	[11],[26]	12.96%	[12],[27]
Principal		$ 3,109	[11],[26]	$ 3,676	[12],[27]
Cost		3,109	[11],[26]	3,076	[12],[27]
Fair value		$ 2,844	[11],[26]	$ 3,446	[12],[27]
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[26]	13.94%
Spread (as a percent)	[11],[26]	8.50%
PIK Rate	[11],[26]	12.94%
Principal	[11],[26]	$ 3,798
Cost	[11],[26]	3,288
Fair value	[11],[26]	$ 3,475
Investment, Identifier [Axis]: Bluestem Brands, Inc., Warrants
Schedule of Investments [Line Items]
Units (in shares)		163,295	[11],[23]	163,295	[12],[24]
Cost		$ 1,036	[11],[23]	$ 1,036	[12],[24]
Fair value		$ 20	[11],[23]	$ 120	[12],[24]
Investment, Identifier [Axis]: Boccella Precast Products LLC, Member Units
Schedule of Investments [Line Items]
Units (in shares)		2,160,000	[30]	2,160,000
Cost		$ 2,256	[30]	$ 2,256
Fair value		$ 1,030	[30]	$ 1,990		$ 2,770	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		$ 320		$ 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	[30]	140,000	[31]
Total Rate		8.00%	[30]	8.00%	[31]	8.00%
Cost		$ 14,000	[30]	$ 14,000	[31]
Fair value		$ 33,010	[30]	$ 31,020	[31]	$ 31,420	31,420
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.46%	[26],[42]	14.48%	[27],[43]
Spread (as a percent)		8.09%	[26],[42]	9.11%	[27],[43]
Principal		$ 103,432	[26],[42]	$ 96,556	[27],[43]
Cost		102,945	[26],[42]	96,078	[27],[43]
Fair value		$ 103,432	[26],[42]	$ 96,556	[27],[43]
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Fair value						$ 0	0
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate						13.91%
Spread (as a percent)						9.22%
Fair value						$ 98,535	99,194
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],[25],[26]	7.00%	[6],[9],[14],[27],[28]
Principal		$ 0	[5],[7],[13],[25],[26]	$ 0	[6],[9],[14],[27],[28]
Cost		(23)	[5],[7],[13],[25],[26]	(25)	[6],[9],[14],[27],[28]
Fair value		$ (23)	[5],[7],[13],[25],[26]	$ (25)	[6],[9],[14],[27],[28]
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.48%	[5],[7],[13],[26]	11.54%	[6],[9],[14],[27]
Spread (as a percent)		6.00%	[5],[7],[13],[26]	6.00%	[6],[9],[14],[27]
Principal		$ 6,389	[5],[7],[13],[26]	$ 6,405	[6],[9],[14],[27]
Cost		6,285	[5],[7],[13],[26]	6,294	[6],[9],[14],[27]
Fair value		$ 6,389	[5],[7],[13],[26]	$ 6,405	[6],[9],[14],[27]
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		13.48%	[5],[7],[13],[26]	13.54%	[6],[9],[14],[27]
Spread (as a percent)		8.00%	[5],[7],[13],[26]	8.00%	[6],[9],[14],[27]
Principal		$ 6,389	[5],[7],[13],[26]	$ 6,405	[6],[9],[14],[27]
Cost		6,285	[5],[7],[13],[26]	6,294	[6],[9],[14],[27]
Fair value		$ 6,389	[5],[7],[13],[26]	$ 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],[26],[32],[38]	15.75%	[6],[27],[33],[39]
Spread (as a percent)		7.25%	[5],[26],[32],[38]	7.25%	[6],[27],[33],[39]
Principal		$ 761	[5],[26],[32],[38]	$ 761	[6],[27],[33],[39]
Cost		761	[5],[26],[32],[38]	761	[6],[27],[33],[39]
Fair value		$ 761	[5],[26],[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],[26],[32],[38]	15.75%	[6],[27],[33],[39]
Spread (as a percent)		7.25%	[5],[26],[32],[38]	7.25%	[6],[27],[33],[39]
Principal		$ 7,056	[5],[26],[32],[38]	$ 7,056	[6],[27],[33],[39]
Cost		7,056	[5],[26],[32],[38]	7,056	[6],[27],[33],[39]
Fair value		$ 921	[5],[26],[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	[30]	2,950	[31]
Cost		$ 4,280	[30]	$ 4,280	[31]
Fair value		$ 5,720	[30]	$ 5,620	[31]	$ 6,560	7,080
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		15.48%	[26]	15.46%	[27]	14.66%
Spread (as a percent)		10.00%	[26]	10.00%	[27]	10.00%
Principal		$ 5,374	[26]	$ 5,498	[27]
Cost		5,374	[26]	5,498	[27]
Fair value		$ 5,374	[26]	$ 5,498	[27]	$ 5,840	5,964
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		17,742	[30],[40]	17,742	[31],[41]
Cost		$ 1,000	[30],[40]	$ 1,000	[31],[41]
Fair value		$ 1,000	[30],[40]	$ 1,000	[31],[41]	$ 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	[23]	82	[24]
Cost		$ 2,132	[23]	$ 2,132	[24]
Fair value		4,290	[23]	4,290	[24]
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Warrants 1
Schedule of Investments [Line Items]
Fair value		1,808		1,808		1,828	1,828
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Warrants 2
Schedule of Investments [Line Items]
Fair value		$ 2,482		$ 2,482		$ 2,512	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)		0.00%	[7],[8],[44]	1.55%	[9],[10],[45]
Cost		$ 6,290	[7],[8],[44]	$ 6,527	[9],[10],[45]
Fair value		$ 4,034	[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)		0.00%	[7],[8],[30],[44]	0.59%	[9],[10],[31],[45]
Cost		$ 4,350	[7],[8],[30],[44]	$ 4,350	[9],[10],[31],[45]
Fair value		$ 4,358	[7],[8],[30],[44]	$ 4,358	[9],[10],[31],[45]
Investment, Identifier [Axis]: Brightwood Capital Fund Investments, LP Interests (Brightwood Capital Fund V, LP)
Schedule of Investments [Line Items]
Units (as a percent)		0.00%	[7],[8],[30],[44]	0.82%	[9],[10],[31],[45]
Cost		$ 2,000	[7],[8],[30],[44]	$ 2,000	[9],[10],[31],[45]
Fair value		$ 2,211	[7],[8],[30],[44]	$ 2,448	[9],[10],[31],[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%	[38]	12.00%	[39]	12.00%
Principal		$ 19,014	[38]	$ 16,980	[39]
Cost		16,980	[38]	16,980	[39]
Fair value		$ 12,144	[38]	$ 12,144	[39]	$ 11,962	12,337
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],[25],[26]	5.00%	[6],[27]
Principal		$ 0	[5],[25],[26]	$ 465	[6],[27]
Cost		(18)	[5],[25],[26]	445	[6],[27]
Fair value		$ 0	[5],[25],[26]	$ 465	[6],[27]
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.43%	[5],[26]	10.46%	[6],[27]
Spread (as a percent)		5.00%	[5],[26]	5.00%	[6],[27]
Principal		$ 20,256	[5],[26]	$ 19,681	[6],[27]
Cost		20,043	[5],[26]	19,455	[6],[27]
Fair value		$ 20,256	[5],[26]	$ 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		$ 2,142		$ 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	[30]	416	[31]
Cost		$ 1,300	[30]	$ 1,300	[31]
Fair value		$ 50,130	[30]	$ 50,130	[31]	49,860	49,002
Investment, Identifier [Axis]: CMS Minerals Investments, Member Units
Schedule of Investments [Line Items]
Fair value						1,235	1,670
Investment, Identifier [Axis]: CQ Fluency, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		7.00%	[5],[25],[26]	7.00%	[6],[27],[28]
Principal		$ 0	[5],[25],[26]	$ 0	[6],[27],[28]
Cost		(61)	[5],[25],[26]	(66)	[6],[27],[28]
Fair value		$ (61)	[5],[25],[26]	$ (66)	[6],[27],[28]
Investment, Identifier [Axis]: CQ Fluency, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Spread (as a percent)		7.00%	[5],[25],[26]	7.00%	[6],[27],[28]
Principal		$ 0	[5],[25],[26]	$ 0	[6],[27],[28]
Cost		(61)	[5],[25],[26]	(66)	[6],[27],[28]
Fair value		$ (61)	[5],[25],[26]	$ (66)	[6],[27],[28]
Investment, Identifier [Axis]: CQ Fluency, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.41%	[5],[26]	12.45%	[6],[27]
Spread (as a percent)		7.00%	[5],[26]	7.00%	[6],[27]
Principal		$ 11,250	[5],[26]	$ 11,250	[6],[27]
Cost		10,944	[5],[26]	10,920	[6],[27]
Fair value		$ 11,028	[5],[26]	$ 10,920	[6],[27]
Investment, Identifier [Axis]: Café Brazil, LLC, Member Units
Schedule of Investments [Line Items]
Units (in shares)		1,233	[30]	1,233	[31]
Cost		$ 1,742	[30]	$ 1,742	[31]
Fair value		$ 1,909	[30]	$ 1,980	[31]	1,840	2,210
Investment, Identifier [Axis]: California Splendor Holdings LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Units (in shares)		8,671	[30]	3,671	[31]
Total Rate		15.00%	[30]	15.00%	[31]
PIK Rate		15.00%	[30]	15.00%	[31]
Cost		$ 9,809	[30]	$ 4,601	[31]
Fair value		9,809	[30]	4,601	[31]	$ 25,495	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	[30]	6,157	[31]
Total Rate						15.00%
PIK Rate						15.00%
Cost		$ 10,775	[30]	$ 10,775	[31]
Fair value		$ 15,695	[30]	15,695	[31]	$ 4,144	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		$ 9,809		$ 4,601
Investment, Identifier [Axis]: California Splendor Holdings LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		14.00%		15.69%	[27],[31]	14.88%
Spread (as a percent)				10.00%	[27],[31]	10.00%
PIK Rate		4.00%
Principal	[27],[31]			$ 28,000
Cost	[27],[31]			27,965
Fair value		$ 27,583		$ 27,655	[27],[31]	$ 28,000	28,000
Investment, Identifier [Axis]: California Splendor Holdings LLC, Secured Debt 1
Schedule of Investments [Line Items]
PIK Rate	[25]	4.00%
Principal	[25]	$ 0
Cost	[25]	0
Fair value	[25]	$ 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		$ 28,053
Cost		27,970
Fair value		$ 27,583
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%		11.38%	[27]
Spread (as a percent)		6.00%	[25],[26]	6.00%	[27]	6.00%
Principal		$ 0	[25],[26]	$ 900	[27]
Cost		(18)	[25],[26]	881	[27]
Fair value		$ (18)	[25],[26]	$ 881	[27]	$ (9)	(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		19,737		19,906
Fair value		$ 19,737		$ 19,906		$ 20,100	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		$ 246	[5]	$ 246	[6]
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		6.00%	[5],[25],[26]	6.00%	[6],[27],[28]
Principal		$ 0	[5],[25],[26]	$ 0	[6],[27],[28]
Cost		(8)	[5],[25],[26]	(8)	[6],[27],[28]
Fair value		$ (8)	[5],[25],[26]	$ (8)	[6],[27],[28]
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.56%	[5],[26]	11.61%	[6],[27]
Spread (as a percent)		6.00%	[5],[26]	6.00%	[6],[27]
Principal		$ 7,913	[5],[26]	$ 7,933	[6],[27]
Cost		7,857	[5],[26]	7,872	[6],[27]
Fair value		$ 7,913	[5],[26]	$ 7,933	[6],[27]
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.56%	[5],[26]	11.61%	[6],[27]
Spread (as a percent)		6.00%	[5],[26]	6.00%	[6],[27]
Principal		$ 6,087	[5],[26]	$ 6,102	[6],[27]
Cost		6,049	[5],[26]	6,061	[6],[27]
Fair value		$ 6,087	[5],[26]	$ 6,102	[6],[27]
Investment, Identifier [Axis]: Central Moloney, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[5],[26]	12.05%
Spread (as a percent)	[5],[26]	6.75%
Principal	[5],[26]	$ 45,000
Cost	[5],[26]	44,132
Fair value	[5],[26]	$ 44,132
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		$ 12,149		$ 11,040		$ 9,260	8,700
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		14.48%
Spread (as a percent)		9.00%	[25],[26]	9.00%	[27],[28]	9.00%
Principal		$ 0	[25],[26]	$ 0	[27],[28]
Cost		0	[25],[26]	0	[27],[28]
Fair value		$ 0	[25],[26]	$ 0	[27],[28]	$ 0	0
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.48%	[26]	14.48%	[27]	13.75%
Spread (as a percent)		9.00%	[26]	9.00%	[27]	9.00%
Principal		$ 21,974	[26]	$ 17,574	[27]
Cost		21,717	[26]	17,512	[27]
Fair value		$ 21,974	[26]	17,574	[27]	$ 14,960	14,954
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		14.48%
Spread (as a percent)		9.00%
Fair value		$ 21,974		0
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		14.48%
Spread (as a percent)		9.00%
Fair value		$ 0		$ 17,574
Investment, Identifier [Axis]: Chamberlin Holding LLC, Member Units 1
Schedule of Investments [Line Items]
Units (in shares)		4,347	[30]	4,347	[31]
Cost		$ 11,440	[30]	$ 11,440	[31]
Fair value		$ 29,570	[30]	$ 29,320	[31]	22,800	22,920
Investment, Identifier [Axis]: Chamberlin Holding LLC, Member Units 2
Schedule of Investments [Line Items]
Units (in shares)		1,047,146	[30],[40]	1,047,146	[31],[41]
Cost		$ 1,773	[30],[40]	$ 1,773	[31],[41]
Fair value		$ 3,000	[30],[40]	$ 2,860	[31],[41]	$ 2,830	2,710
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.49%
Spread (as a percent)		6.00%	[25],[26]	6.00%	[27],[28]	6.00%
Principal		$ 0	[25],[26]	$ 0	[27],[28]
Cost		(172)	[25],[26]	(195)	[27],[28]
Fair value		$ 0	[25],[26]	$ 0	[27],[28]	$ 0	0
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.49%	[26]	13.49%	[27]	12.86%
Spread (as a percent)		8.00%	[26]	8.00%	[27]	8.00%
Principal		$ 15,620	[26]	$ 15,620	[27]
Cost		15,617	[26]	15,617	[27]
Fair value		$ 15,620	[26]	$ 15,620	[27]	$ 16,945	16,945
Investment, Identifier [Axis]: Chandler Signs Holdings, LLC, Class A Units
Schedule of Investments [Line Items]
Fair value						2,000	1,790
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.56%	[5],[26]	12.60%	[6],[27],[46]
Spread (as a percent)		7.00%	[5],[26]	7.00%	[6],[27],[46]
Principal		$ 1,657	[5],[26]	$ 2,071	[6],[27],[46]
Cost		1,501	[5],[26]	1,901	[6],[27],[46]
Fair value		$ 1,575	[5],[26]	$ 1,988	[6],[27],[46]
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.58%	[5],[26]	12.66%	[6],[27]
Spread (as a percent)		7.00%	[5],[26]	7.00%	[6],[27]
Principal		$ 36,447	[5],[26]	$ 36,540	[6],[27]
Cost		36,021	[5],[26]	36,077	[6],[27]
Fair value		$ 34,630	[5],[26]	$ 35,064	[6],[27]
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.58%	[5],[26]	12.66%	[6],[27]
Spread (as a percent)		7.00%	[5],[26]	7.00%	[6],[27]
Principal		$ 2,019	[5],[26]	$ 2,024	[6],[27]
Cost		1,996	[5],[26]	1,999	[6],[27]
Fair value		$ 1,919	[5],[26]	$ 1,943	[6],[27]
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		12.58%	[5],[26]	12.66%	[6],[27]
Spread (as a percent)		7.00%	[5],[26]	7.00%	[6],[27]
Principal		$ 4,880	[5],[26]	$ 4,893	[6],[27]
Cost		4,788	[5],[26]	4,792	[6],[27]
Fair value		$ 4,637	[5],[26]	$ 4,695	[6],[27]
Investment, Identifier [Axis]: Charps, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		1,829	[30]	1,829	[31]
Cost		$ 1,963	[30]	$ 1,963	[31]
Fair value		$ 16,040	[30]	$ 15,690	[31]	$ 13,550	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		4,799		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	[30]	717	[31]
Cost		$ 7,280	[30]	$ 7,280	[31]
Fair value		$ 4,060	[30]	$ 5,200	[31]	7,170	8,220
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Member Units 2
Schedule of Investments [Line Items]
Units (in shares)		800	[40]	800	[41]
Cost		$ 509	[40]	$ 509	[41]
Fair value		$ 950	[40]	1,129	[41]	$ 830	610
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%
Spread (as a percent)						9.00%
Principal		$ 0	[25]	0	[28]
Cost		0	[25]	0	[28]
Fair value		$ 0	[25]	$ 0	[28]	$ 0	0
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%		11.50%		13.79%
Spread (as a percent)						9.00%
Principal		$ 8,560		$ 8,560
Cost		8,548		8,560
Fair value		$ 8,410		$ 8,422		$ 9,971	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		$ 1,003		$ 1,013
Cost		995		1,004
Fair value		995		1,004		$ 1,031	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	[30]	154	[31]
Cost		$ 5,760	[30]	$ 5,760	[31]
Fair value		$ 17,470	[30]	$ 16,000	[31]	$ 25,700	24,637
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.63%	[26]	11.69%	[27]	10.88%
Spread (as a percent)		6.00%	[26]	6.00%	[27]	6.00%
Principal		$ 3,760	[26]	$ 4,560	[27]
Cost		3,760	[26]	4,560	[27]
Fair value		$ 3,760	[26]	$ 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%		8.00%
Principal		$ 19,274		$ 19,274
Cost		19,235		19,224
Fair value		$ 19,274		$ 19,274		$ 19,274	19,274
Investment, Identifier [Axis]: Cody Pools, Inc., Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		587	[30],[40]	587	[31],[41]
Cost		$ 8,317	[30],[40]	$ 8,317	[31],[41]
Fair value		$ 74,200	[30],[40]	72,470	[31],[41]	$ 59,150	58,180
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.50%				15.50%
Spread (as a percent)						10.50%
Principal		$ 0	[25]	0	[28]
Cost		(17)	[25]	(11)	[28]
Fair value		$ 0	[25]	$ 0	[28]	$ 1,054	1,462
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%		12.50%		15.50%
Spread (as a percent)						10.50%
Principal		$ 41,437		$ 42,073
Cost		41,409		42,042
Fair value		$ 41,437		$ 42,073		$ 40,377	40,801
Investment, Identifier [Axis]: Colonial Electric Company LLC, Preferred Member Units
Schedule of Investments [Line Items]
Fair value						8,200	9,160
Investment, Identifier [Axis]: Colonial Electric Company LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Units (in shares)		960		960
Cost		$ 960		$ 960
Fair value		$ 2,400		$ 2,400
Investment, Identifier [Axis]: Colonial Electric Company LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Units (in shares)		17,280		17,280
Cost		$ 7,680		$ 7,680
Fair value		$ 8,330		7,680
Investment, Identifier [Axis]: Colonial Electric Company LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%
Principal		$ 0	[25]	0	[28]
Cost		0	[25]	0	[28]
Fair value		$ 0	[25]	$ 0	[28]	$ 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		$ 20,055		$ 22,050
Cost		19,971		21,946
Fair value		$ 19,971		$ 21,627		$ 22,850	23,151
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		1,975	[30]	1,975	[31]
Cost		$ 1,975	[30]	$ 1,975	[31]
Fair value		$ 14,020	[30]	$ 14,450	[31]	$ 18,440	19,830
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[26]	14.48%
Spread (as a percent)	[26]	9.00%
Principal	[26]	$ 3,162
Cost	[26]	3,093
Fair value	[26]	$ 3,162
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		14.48%
Spread (as a percent)		9.00%		9.00%	[27],[28],[39]	9.00%
Principal	[27],[28],[39]			$ 0
Cost	[27],[28],[39]			0
Fair value		$ 0		$ 0	[27],[28],[39]	$ 0	0
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.48%		14.48%	[27]	13.75%
Spread (as a percent)		9.00%		9.00%	[27]	9.00%
Principal	[27]			$ 3,454
Cost	[27]			3,454
Fair value		$ 3,162		$ 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		$ 7,454		7,454
Investment, Identifier [Axis]: Compass Systems & Sales, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.50%
Principal		$ 0	[25]	0	[28]
Cost		0	[25]	0	[28]
Fair value		$ 0	[25]	$ 0	[28]
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		17,042		17,034
Fair value		$ 17,042		$ 17,034
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.47%	[5],[26],[47]	13.52%	[6],[27],[48]
Spread (as a percent)		8.00%	[5],[26],[47]	8.00%	[6],[27],[48]
Principal		$ 5,000	[5],[26],[47]	$ 5,000	[6],[27],[48]
Cost		4,878	[5],[26],[47]	4,948	[6],[27],[48]
Fair value		$ 4,887	[5],[26],[47]	$ 4,848	[6],[27],[48]
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[6],[27]			13.52%
Spread (as a percent)		8.00%	[5],[25],[26]	8.00%	[6],[27]
Principal		$ 0	[5],[25],[26]	$ 18,313	[6],[27]
Cost		(167)	[5],[25],[26]	18,119	[6],[27]
Fair value		$ (167)	[5],[25],[26]	$ 17,757	[6],[27]
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[5],[26]	13.46%
Spread (as a percent)	[5],[26]	8.00%
Principal	[5],[26]	$ 18,244
Cost	[5],[26]	18,069
Fair value	[5],[26]	$ 17,830
Investment, Identifier [Axis]: Congruent Credit Opportunities Funds, LP Interests (Congruent Credit Opportunities Fund III, LP)
Schedule of Investments [Line Items]
Units (as a percent)		12.49%	[7],[8],[30],[44]	12.49%	[9],[10],[31],[45]
Cost		$ 4,299	[7],[8],[30],[44]	$ 4,778	[9],[10],[31],[45]
Fair value		3,822	[7],[8],[30],[44]	4,352	[9],[10],[31],[45]
Investment, Identifier [Axis]: Congruent Credit Opportunities Funds, LP Interests (Congruent Credit Opportunities Fund III, LP)
Schedule of Investments [Line Items]
Fair value		$ 3,822		$ 4,352		6,781	7,657
Investment, Identifier [Axis]: Construction Supply Investments, LLC, Member Units
Schedule of Investments [Line Items]
Units (in shares)		861,618	[5]	861,618	[6]
Cost		$ 3,335	[5]	$ 3,335	[6]
Fair value		$ 22,430	[5]	$ 23,135	[6]
Investment, Identifier [Axis]: Copper Trail Energy Fund I, LP - CTMH, LP Interests (CTMH, LP)
Schedule of Investments [Line Items]
Fair value						588	588
Investment, Identifier [Axis]: Copper Trail Fund Investments, LP Interests (CTMH, LP)
Schedule of Investments [Line Items]
Units (as a percent)		38.75%	[7],[8],[30],[44]	38.75%	[9],[10],[31],[45]
Cost		$ 568	[7],[8],[30],[44]	$ 568	[9],[10],[31],[45]
Fair value		$ 568	[7],[8],[30],[44]	$ 568	[9],[10],[31],[45]
Investment, Identifier [Axis]: Corel Corporation, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7],[11],[13],[26]	10.44%
Spread (as a percent)	[7],[11],[13],[26]	5.00%
Principal	[7],[11],[13],[26]	$ 1,215
Cost	[7],[11],[13],[26]	1,196
Fair value	[7],[11],[13],[26]	$ 1,198
Investment, Identifier [Axis]: Cybermedia Technologies, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		556	[30]	556
Cost		$ 15,000	[30]	$ 15,000
Fair value		$ 16,020	[30]	15,000
Investment, Identifier [Axis]: Cybermedia Technologies, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.00%
Principal		$ 0	[25]	0	[28]
Cost		0	[25]	0	[28]
Fair value		$ 0	[25]	$ 0	[28]
Investment, Identifier [Axis]: Cybermedia Technologies, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%		13.00%
Principal		$ 28,275		$ 28,638
Cost		28,044		28,389
Fair value		$ 28,044		$ 28,389
Investment, Identifier [Axis]: DMA Industries, LLC, Preferred Equity
Schedule of Investments [Line Items]
Units (in shares)		5,944		5,944
Cost		$ 5,944		$ 5,944
Fair value		$ 5,940		$ 7,660		$ 7,260	7,260
Investment, Identifier [Axis]: DMA Industries, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%		12.00%
Principal		$ 18,800		$ 18,800
Cost		18,694		18,685
Fair value		$ 18,800		$ 18,800		$ 21,200	21,200
Investment, Identifier [Axis]: DTE Enterprises, LLC, Class A Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		776,316	[5]	776,316	[6]
Total Rate		8.00%	[5]	8.00%	[6]
PIK Rate		8.00%	[5]	8.00%	[6]
Cost		$ 776	[5]	$ 776	[6]
Fair value		$ 0	[5]	$ 260	[6]
Investment, Identifier [Axis]: DTE Enterprises, LLC, Class AA Preferred Member Units (non-voting)
Schedule of Investments [Line Items]
Total Rate		10.00%	[5],[30]	10.00%	[6],[31]
PIK Rate		10.00%	[5],[30]	10.00%	[6],[31]
Cost		$ 1,316	[5],[30]	$ 1,284	[6],[31]
Fair value		$ 855	[5],[30]	$ 1,284	[6],[31]
Investment, Identifier [Axis]: Dalton US Inc., Common Stock
Schedule of Investments [Line Items]
Units (in shares)		515	[5]	515	[6]
Cost		$ 720	[5]	$ 720	[6]
Fair value		$ 830	[5]	$ 830	[6]
Investment, Identifier [Axis]: Datacom, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		9,000		9,000
Cost		$ 2,610		$ 2,610
Fair value		$ 150		$ 70		$ 2,670	2,670
Investment, Identifier [Axis]: Datacom, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		7.50%		7.50%		7.50%
Principal		$ 495		$ 450
Cost		492		447
Fair value		$ 492		$ 447		$ 450	223
Investment, Identifier [Axis]: Datacom, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%		10.00%
Principal		$ 8,285		$ 8,352
Cost		8,042		8,073
Fair value		$ 7,557		$ 7,587		$ 7,761	7,789
Investment, Identifier [Axis]: Digital Products Holdings LLC, Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		3,857		3,857	[31]
Cost		$ 9,501		$ 9,501	[31]
Fair value		$ 9,835		$ 9,835	[31]	$ 9,835	9,835
Investment, Identifier [Axis]: Digital Products Holdings LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		15.38%	[26]	15.38%	[27]	14.75%
Spread (as a percent)		10.00%	[26]	10.00%	[27]	10.00%
Principal		$ 13,420	[26]	$ 14,873	[27]
Cost		13,327	[26]	14,758	[27]
Fair value		$ 13,260	[26]	$ 14,690	[27]	$ 15,203	15,523
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Preferred Stock
Schedule of Investments [Line Items]
Units (in shares)		8,400		8,400	[31]
Cost		$ 8,400		$ 8,400	[31]
Fair value		$ 20,240		$ 20,740	[31]	21,700	22,220
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		14.00%		14.00%
Principal		$ 0	[25]	$ 1,233
Cost		(53)	[25]	1,174
Fair value		$ 0	[25]	$ 1,233		$ 0	0
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.00%		14.00%		14.00%
Principal		$ 25,133		$ 25,543
Cost		25,058		25,457
Fair value		$ 25,133		$ 25,543		$ 26,876	27,267
Investment, Identifier [Axis]: Dos Rios Partners, LP Interests (Dos Rios Partners - A, LP)
Schedule of Investments [Line Items]
Units (as a percent)		6.43%	[7],[8],[44]	6.43%	[9],[10],[45]
Cost		$ 2,005	[7],[8],[44]	$ 2,005	[9],[10],[45]
Fair value		2,631	[7],[8],[44]	2,631	[9],[10],[45]	2,898	2,898
Investment, Identifier [Axis]: Dos Rios Partners, LP Interests (Dos Rios Partners - A, LP).1
Schedule of Investments [Line Items]
Fair value		$ 2,631		$ 2,631
Investment, Identifier [Axis]: Dos Rios Partners, LP Interests (Dos Rios Partners, LP)
Schedule of Investments [Line Items]
Units (as a percent)		20.24%	[7],[8],[44]	20.24%	[9],[10],[45]
Cost		$ 6,313	[7],[8],[44]	$ 6,313	[9],[10],[45]
Fair value		8,443	[7],[8],[44]	8,443	[9],[10],[45]	9,283	9,127
Investment, Identifier [Axis]: Dos Rios Partners, LP Interests (Dos Rios Partners, LP).1
Schedule of Investments [Line Items]
Fair value		$ 8,443		$ 8,443
Investment, Identifier [Axis]: Dos Rios Stone Products LLC, Class A Preferred Units
Schedule of Investments [Line Items]
Units (in shares)		2,000,000	[5],[40]	2,000,000	[6],[41]
Cost		$ 2,000	[5],[40]	$ 2,000	[6],[41]
Fair value		$ 1,580	[5],[40]	$ 1,580	[6],[41]	1,580	1,330
Investment, Identifier [Axis]: Dreyfus Government Cash Management
Schedule of Investments [Line Items]
Total Rate		4.94%		4.98%
Cost		$ 45,214	[49]	$ 13,476	[50]
Fair value		$ 45,214	[49]	$ 13,476	[50]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Common Equity
Schedule of Investments [Line Items]
Units (in shares)		1,250,000	[5]	1,250,000	[6]
Cost		$ 0	[5]	$ 0	[6]
Fair value		$ 0	[5]	$ 0	[6]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Preferred Equity 1
Schedule of Investments [Line Items]
Units (in shares)		125,000	[5]	125,000	[6]
Cost		$ 128	[5]	$ 128	[6]
Fair value		$ 60	[5]	$ 60	[6]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Preferred Equity 2
Schedule of Investments [Line Items]
Units (in shares)		2,376,241	[5]	2,376,241	[6]
Cost		$ 0	[5]	$ 0	[6]
Fair value		$ 0	[5]	$ 0	[6]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.43%	[5],[26]	10.45%	[6],[27]
Spread (as a percent)		5.00%	[5],[26]	5.00%	[6],[27]
PIK Rate		10.43%	[5],[26]	10.45%	[6],[27]
Principal		$ 2,125	[5],[26]	$ 2,071	[6],[27]
Cost		1,967	[5],[26]	1,912	[6],[27]
Fair value		$ 1,967	[5],[26]	$ 1,912	[6],[27]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.43%	[5],[26]	12.45%	[6],[27]
Spread (as a percent)		7.00%	[5],[26]	7.00%	[6],[27]
PIK Rate		12.43%	[5],[26]	12.45%	[6],[27]
Principal		$ 2,180	[5],[26]	$ 2,113	[6],[27]
Cost		1,946	[5],[26]	1,880	[6],[27]
Fair value		$ 1,926	[5],[26]	$ 1,859	[6],[27]
Investment, Identifier [Axis]: EIG Fund Investments, LP Interests (EIG Global Private Debt Fund-A, L.P.)
Schedule of Investments [Line Items]
Units (in shares)		5,000,000	[7],[8],[30],[44]	5,000,000	[9],[10],[31],[45]
Cost		$ 808	[7],[8],[30],[44]	$ 808	[9],[10],[31],[45]
Fair value		$ 761	[7],[8],[30],[44]	$ 760	[9],[10],[31],[45]	976	1,013
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.45%	[5],[26],[47]	13.50%	[6],[27]
Spread (as a percent)		8.00%	[5],[26],[47]	8.00%	[6],[27]
Principal		$ 2,974	[5],[26],[47]	$ 967	[6],[27]
Cost		2,934	[5],[26],[47]	930	[6],[27]
Fair value		$ 2,883	[5],[26],[47]	$ 927	[6],[27]
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.45%	[5],[26]	13.50%	[6],[27]
Spread (as a percent)		8.00%	[5],[26]	8.00%	[6],[27]
Principal		$ 4,402	[5],[26]	$ 4,792	[6],[27]
Cost		4,365	[5],[26]	4,758	[6],[27]
Fair value		$ 4,268	[5],[26]	$ 4,596	[6],[27]
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		13.45%	[5],[26]	13.50%	[6],[27]
Spread (as a percent)		8.00%	[5],[26]	8.00%	[6],[27]
Principal		$ 8,781	[5],[26]	$ 9,557	[6],[27]
Cost		8,700	[5],[26]	9,483	[6],[27]
Fair value		$ 8,512	[5],[26]	$ 9,167	[6],[27]
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		13.45%	[5],[26]	13.50%	[6],[27]
Spread (as a percent)		8.00%	[5],[26]	8.00%	[6],[27]
Principal		$ 1,821	[5],[26]	$ 1,982	[6],[27]
Cost		1,807	[5],[26]	1,964	[6],[27]
Fair value		$ 1,765	[5],[26]	$ 1,901	[6],[27]
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt 5
Schedule of Investments [Line Items]
Total Rate		13.45%	[5],[26]	13.50%	[6],[27]
Spread (as a percent)		8.00%	[5],[26]	8.00%	[6],[27]
Principal		$ 9,964	[5],[26]	$ 10,846	[6],[27]
Cost		9,886	[5],[26]	10,747	[6],[27]
Fair value		$ 9,660	[5],[26]	$ 10,403	[6],[27]
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Common Stock 1
Schedule of Investments [Line Items]
Units (in shares)		285		285
Cost		$ 5,726		$ 5,726
Fair value		$ 6,090		$ 6,090		7,603	7,603
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Common Stock 2
Schedule of Investments [Line Items]
Units (in shares)		939	[40]	939	[41]
Cost		$ 1,558	[40]	$ 1,558	[41]
Fair value		$ 1,670	[40]	$ 1,670	[41]	$ 1,558	1,558
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.38%
Spread (as a percent)		6.00%	[25],[26]	6.00%	[27],[28]	6.00%
Principal		$ 0	[25],[26]	$ 0	[27],[28]
Cost		(7)	[25],[26]	(7)	[27],[28]
Fair value		$ (7)	[25],[26]	$ (7)	[27],[28]	$ (8)	(9)
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%		12.00%
Principal		$ 18,303		$ 18,773
Cost		18,175		18,632
Fair value		$ 18,175		$ 18,632		$ 18,604	18,594
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		9.00%		9.00%		9.00%
Principal		$ 6,301		$ 6,313
Cost		6,241		6,252
Fair value		$ 6,241		$ 6,252		$ 6,284	6,294
Investment, Identifier [Axis]: Emerald Technologies Acquisition Co, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.74%	[11],[26]	11.79%	[12],[27]
Spread (as a percent)		6.25%	[11],[26]	6.25%	[12],[27]
Principal		$ 9,780	[11],[26]	$ 8,965	[12],[27]
Cost		9,587	[11],[26]	8,841	[12],[27]
Fair value		$ 8,998	[11],[26]	$ 8,158	[12],[27]
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Energy Capital Fund IX, L.P.)
Schedule of Investments [Line Items]
Units (as a percent)		0.10%	[7],[8],[30],[44]	0.10%	[9],[10],[31],[45]
Cost		$ 3,119	[7],[8],[30],[44]	$ 3,564	[9],[10],[31],[45]
Fair value		$ 921	[7],[8],[30],[44]	$ 1,720	[9],[10],[31],[45]
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Energy Capital Fund VIII Co-Investors, L.P.)
Schedule of Investments [Line Items]
Units (as a percent)		0.38%	[7],[8],[30],[44]	0.38%	[9],[10],[31],[45]
Cost		$ 1,980	[7],[8],[30],[44]	$ 1,980	[9],[10],[31],[45]
Fair value		$ 898	[7],[8],[30],[44]	$ 899	[9],[10],[31],[45]
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Energy Capital Fund VIII, L.P.)
Schedule of Investments [Line Items]
Units (as a percent)		0.14%	[7],[8],[30],[44]	0.14%	[9],[10],[31],[45]
Cost		$ 3,567	[7],[8],[30],[44]	$ 3,567	[9],[10],[31],[45]
Fair value		$ 1,843	[7],[8],[30],[44]	$ 1,918	[9],[10],[31],[45]
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Energy Capital Fund X, L.P.)
Schedule of Investments [Line Items]
Units (as a percent)		0.15%	[7],[8],[30],[44]	0.15%	[9],[10],[31],[45]
Cost		$ 6,934	[7],[8],[30],[44]	$ 6,742	[9],[10],[31],[45]
Fair value		$ 5,672	[7],[8],[30],[44]	$ 5,858	[9],[10],[31],[45]
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Energy Capital Fund XII, L.P.)
Schedule of Investments [Line Items]
Units (as a percent)	[7],[8],[44]	0.49%
Cost	[7],[8],[44]	$ 2,690
Fair value	[7],[8],[44]	$ 2,690
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Flatrock Midstream Fund II, L.P.)
Schedule of Investments [Line Items]
Units (as a percent)		0.84%	[7],[8],[30],[44]	0.84%	[9],[10],[31],[45]
Cost		$ 5,083	[7],[8],[30],[44]	$ 5,083	[9],[10],[31],[45]
Fair value		$ 1,513	[7],[8],[30],[44]	$ 1,413	[9],[10],[31],[45]
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Flatrock Midstream Fund III, L.P.)
Schedule of Investments [Line Items]
Units (as a percent)		0.25%	[7],[8],[30],[44]	0.25%	[9],[10],[31],[45]
Cost		$ 4,402	[7],[8],[30],[44]	$ 4,495	[9],[10],[31],[45]
Fair value		$ 3,963	[7],[8],[30],[44]	$ 4,056	[9],[10],[31],[45]
Investment, Identifier [Axis]: Engineering Research & Consulting, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[5],[26],[47]	13.75%
Spread (as a percent)		5.25%	[5],[26],[47]	5.50%	[6],[27],[28]
Principal		$ 557	[5],[26],[47]	$ 0	[6],[27],[28]
Cost		524	[5],[26],[47]	(35)	[6],[27],[28]
Fair value		$ 557	[5],[26],[47]	$ 0	[6],[27],[28]
Investment, Identifier [Axis]: Engineering Research & Consulting, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.66%	[5],[26]	11.98%	[6],[27]
Spread (as a percent)		6.25%	[5],[26]	6.50%	[6],[27]
Principal		$ 16,093	[5],[26]	$ 16,134	[6],[27]
Cost		15,872	[5],[26]	15,899	[6],[27]
Fair value		$ 15,912	[5],[26]	$ 16,134	[6],[27]
Investment, Identifier [Axis]: Escalent, Inc., Common Equity
Schedule of Investments [Line Items]
Units (in shares)		649,794	[5]	649,794	[6]
Cost		$ 663	[5]	$ 663	[6]
Fair value		$ 780	[5]	$ 730	[6]
Investment, Identifier [Axis]: Escalent, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		8.00%	[5],[25],[26]	8.00%	[6],[27],[28]
Principal		$ 0	[5],[25],[26]	$ 0	[6],[27],[28]
Cost		(33)	[5],[25],[26]	(35)	[6],[27],[28]
Fair value		$ (33)	[5],[25],[26]	$ (35)	[6],[27],[28]
Investment, Identifier [Axis]: Escalent, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.40%	[5],[26]	13.45%	[6],[27]
Spread (as a percent)		8.00%	[5],[26]	8.00%	[6],[27]
Principal		$ 26,247	[5],[26]	$ 26,313	[6],[27]
Cost		25,586	[5],[26]	25,620	[6],[27]
Fair value		$ 26,247	[5],[26]	$ 26,313	[6],[27]
Investment, Identifier [Axis]: Event Holdco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.56%	[5],[26]	12.61%	[6],[27]
Spread (as a percent)		8.00%	[5],[26]	7.00%	[6],[27]
Principal		$ 3,692	[5],[26]	$ 3,692	[6],[27]
Cost		3,672	[5],[26]	3,670	[6],[27]
Fair value		$ 3,643	[5],[26]	$ 3,626	[6],[27]
Investment, Identifier [Axis]: Event Holdco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.56%	[5],[26]	12.61%	[6],[27]
Spread (as a percent)		8.00%	[5],[26]	7.00%	[6],[27]
PIK Rate	[5],[26]	8.00%
Principal		$ 45,062	[5],[26]	$ 44,169	[6],[27]
Cost		44,821	[5],[26]	43,905	[6],[27]
Fair value		$ 44,461	[5],[26]	$ 43,373	[6],[27]
Investment, Identifier [Axis]: Fidelity Government Fund
Schedule of Investments [Line Items]
Total Rate		4.97%		5.01%
Cost		$ 3,566	[51]	$ 1,678	[52]
Fair value		$ 3,566	[51]	$ 1,678	[52]
Investment, Identifier [Axis]: Fidelity Treasury
Schedule of Investments [Line Items]
Total Rate		4.95%		4.99%
Cost		$ 3,079	[49]	$ 70	[53]
Fair value		$ 3,079	[49]	$ 70	[53]
Investment, Identifier [Axis]: Flame King Holdings, LLC, Preferred Equity
Schedule of Investments [Line Items]
Units (in shares)		9,360	[30]	9,360	[31]
Cost		$ 10,400	[30]	$ 10,400	[31]
Fair value		$ 27,900	[30]	$ 27,900	[31]	$ 21,190	17,580
Investment, Identifier [Axis]: Flame King Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate						11.25%
Spread (as a percent)						6.50%
Fair value						$ 7,600	7,600
Investment, Identifier [Axis]: Flame King Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate						13.75%
Spread (as a percent)						9.00%
Fair value						$ 21,200	21,200
Investment, Identifier [Axis]: Freeport Financial Funds, LP Interests (Freeport Financial SBIC Fund LP)
Schedule of Investments [Line Items]
Units (as a percent)		9.30%	[7],[8],[44]	9.30%	[9],[10],[45]
Cost		$ 2,859	[7],[8],[44]	$ 2,859	[9],[10],[45]
Fair value		$ 2,935	[7],[8],[44]	$ 3,012	[9],[10],[45]
Investment, Identifier [Axis]: Freeport Financial Funds, LP Interests (Freeport First Lien Loan Fund III LP)
Schedule of Investments [Line Items]
Units (as a percent)		5.95%	[7],[8],[30],[44]	5.95%	[9],[10],[31],[45]
Cost		$ 4,160	[7],[8],[30],[44]	$ 4,160	[9],[10],[31],[45]
Fair value		3,705	[7],[8],[30],[44]	3,704	[9],[10],[31],[45]
Investment, Identifier [Axis]: Freeport Financial SBIC Fund LP, LP Interests (Freeport Financial SBIC Fund LP)
Schedule of Investments [Line Items]
Fair value		2,935		3,012		3,483	3,483
Investment, Identifier [Axis]: Freeport Financial SBIC Fund LP, LP Interests (Freeport First Lien Loan Fund III LP)
Schedule of Investments [Line Items]
Fair value		$ 3,705		$ 3,704		5,312	5,848
Investment, Identifier [Axis]: Fuse, LLC, Common Stock
Schedule of Investments [Line Items]
Units (in shares)		10,429	[11]	10,429	[12]
Cost		$ 256	[11]	$ 256	[12]
Fair value		$ 0	[11]	$ 0	[12]
Investment, Identifier [Axis]: Fuse, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%	[11]	12.00%	[12]
Principal		$ 1,810	[11]	$ 1,810	[12]
Cost		1,810	[11]	1,810	[12]
Fair value		$ 1,231	[11]	$ 1,320	[12]
Investment, Identifier [Axis]: GFG Group, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		226	[30]	226	[31]
Cost		$ 4,900	[30]	$ 4,900	[31]
Fair value		$ 9,810	[30]	$ 11,460	[31]
Investment, Identifier [Axis]: GFG Group, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		8.00%		8.00%
Principal		$ 9,345		$ 9,345
Cost		9,307		9,302
Fair value		$ 9,345		$ 9,345
Investment, Identifier [Axis]: GFG Group, LLC., Preferred Member Units
Schedule of Investments [Line Items]
Fair value						$ 7,590	7,140
Investment, Identifier [Axis]: GFG Group, LLC., Secured Debt
Schedule of Investments [Line Items]
Total Rate						9.00%
Fair value						$ 11,345	11,345
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Member Units
Schedule of Investments [Line Items]
Units (in shares)		5,879	[30]	5,879
Cost		$ 13,065	[30]	$ 13,065
Fair value		$ 44,440	[30]	$ 44,440		$ 44,440	44,440
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.48%		11.48%		10.66%
Spread (as a percent)		6.00%		6.00%		6.00%
Principal		$ 2,400		$ 2,400
Cost		2,395		2,394
Fair value		$ 2,400		$ 2,400		$ 965	670
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.48%		13.48%		12.66%
Spread (as a percent)		8.00%		8.00%		8.00%
Principal		$ 40,493		$ 40,493
Cost		40,371		40,360
Fair value		$ 40,493		$ 40,493		$ 40,493	40,493
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.93%	[5],[26]	11.96%	[6],[27],[28]
Spread (as a percent)		6.50%	[5],[26]	6.50%	[6],[27],[28]
Principal		$ 1,364	[5],[26]	$ 1,545	[6],[27],[28]
Cost		1,360	[5],[26]	1,542	[6],[27],[28]
Fair value		$ 1,364	[5],[26]	$ 1,545	[6],[27],[28]
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Spread (as a percent)		6.50%	[5],[25],[26]	6.50%	[6],[27],[28]
Principal		$ 0	[5],[25],[26]	$ 0	[6],[27],[28]
Cost		(7)	[5],[25],[26]	(9)	[6],[27],[28]
Fair value		$ (7)	[5],[25],[26]	$ (9)	[6],[27],[28]
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.93%	[5],[26]	11.96%	[6],[27]
Spread (as a percent)		6.50%	[5],[26]	6.50%	[6],[27]
Principal		$ 10,596	[5],[26]	$ 10,624	[6],[27]
Cost		10,581	[5],[26]	10,605	[6],[27]
Fair value		$ 10,596	[5],[26]	$ 10,624	[6],[27]
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		11.93%	[5],[26]	11.96%	[6],[27]
Spread (as a percent)		6.50%	[5],[26]	6.50%	[6],[27]
Principal		$ 950	[5],[26]	$ 952	[6],[27]
Cost		950	[5],[26]	952	[6],[27]
Fair value		$ 950	[5],[26]	$ 952	[6],[27]
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC, Secured Debt 5
Schedule of Investments [Line Items]
Total Rate		11.93%	[5],[26]	11.96%	[6],[27]
Spread (as a percent)		6.50%	[5],[26]	6.50%	[6],[27]
Principal		$ 227	[5],[26]	$ 227	[6],[27]
Cost		224	[5],[26]	224	[6],[27]
Fair value		$ 227	[5],[26]	$ 227	[6],[27]
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.46%	[5],[26],[47]	11.28%	[6],[27],[54]
Spread (as a percent)		6.00%	[5],[26],[47]	5.75%	[6],[27],[54]
Principal		$ 454	[5],[26],[47]	$ 454	[6],[27],[54]
Cost		439	[5],[26],[47]	438	[6],[27],[54]
Fair value		$ 450	[5],[26],[47]	$ 454	[6],[27],[54]
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.48%	[5],[26]	11.38%	[6],[27]
Spread (as a percent)		6.00%	[5],[26]	5.75%	[6],[27]
Principal		$ 300	[5],[26]	$ 301	[6],[27]
Cost		286	[5],[26]	286	[6],[27]
Fair value		$ 297	[5],[26]	$ 301	[6],[27]
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.45%	[5],[26]	11.25%	[6],[27]
Spread (as a percent)		6.00%	[5],[26]	5.75%	[6],[27]
Principal		$ 3,606	[5],[26]	$ 3,615	[6],[27]
Cost		3,551	[5],[26]	3,558	[6],[27]
Fair value		$ 3,567	[5],[26]	$ 3,615	[6],[27]
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Member Units
Schedule of Investments [Line Items]
Units (in shares)		9,042	[30]	9,042	[31]
Cost		$ 17,692	[30]	$ 17,692	[31]
Fair value		$ 106,550	[30]	$ 96,710	[31]	$ 59,370	50,890
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.00%
Spread (as a percent)		7.00%	[25],[26],[36]	7.50%	[27],[28],[37]	8.50%
Principal		$ 0	[25],[26],[36]	$ 0	[27],[28],[37]
Cost		0	[25],[26],[36]	0	[27],[28],[37]
Fair value		$ 0	[25],[26],[36]	$ 0	[27],[28],[37]	$ 0	0
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%	[26],[36]	10.50%	[27],[37]	11.50%
Spread (as a percent)		7.00%	[26],[36]	7.50%	[27],[37]	8.50%
Principal		$ 52,478	[26],[36]	$ 54,078	[27],[37]
Cost		52,237	[26],[36]	53,813	[27],[37]
Fair value		$ 52,478	[26],[36]	$ 54,078	[27],[37]	$ 63,278	64,078
Investment, Identifier [Axis]: Garreco, LLC, Member Units
Schedule of Investments [Line Items]
Units (in shares)		1,200	[30]	1,200
Cost		$ 1,200	[30]	$ 1,200
Fair value		$ 1,580	[30]	$ 1,580		$ 1,580	1,800
Investment, Identifier [Axis]: Garreco, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		9.50%	[26],[55]	9.50%	[27],[56]	12.00%
Spread (as a percent)		8.00%	[26],[55]	8.00%	[27],[56]	10.00%
Principal		$ 3,088	[26],[55]	$ 3,088	[27],[56]
Cost		3,088	[26],[55]	3,088	[27],[56]
Fair value		$ 3,088	[26],[55]	$ 3,088	[27],[56]	$ 3,549	3,826
Investment, Identifier [Axis]: Garyline, LLC, Common Equity
Schedule of Investments [Line Items]
Units (in shares)		705,882	[5]	705,882	[6]
Cost		$ 706	[5]	$ 706	[6]
Fair value		$ 706	[5]	$ 706	[6]
Investment, Identifier [Axis]: Garyline, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[5],[26]	12.17%
Spread (as a percent)		6.75%	[5],[26]	6.75%	[6],[27],[28]
Principal		$ 706	[5],[26]	$ 0	[6],[27],[28]
Cost		463	[5],[26]	(256)	[6],[27],[28]
Fair value		$ 699	[5],[26]	$ (256)	[6],[27],[28]
Investment, Identifier [Axis]: Garyline, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.17%	[5],[26]	12.22%	[6],[27]
Spread (as a percent)		6.75%	[5],[26]	6.75%	[6],[27]
Principal		$ 32,389	[5],[26]	$ 32,471	[6],[27]
Cost		31,496	[5],[26]	31,529	[6],[27]
Fair value		$ 32,066	[5],[26]	$ 31,529	[6],[27]
Investment, Identifier [Axis]: Gulf Manufacturing, LLC, Member Units
Schedule of Investments [Line Items]
Units (in shares)		438	[7],[13],[30]	438	[31]
Cost		$ 2,980	[7],[13],[30]	$ 2,980	[31]
Fair value		$ 11,560	[7],[13],[30]	9,070	[31]	7,370	6,790
Investment, Identifier [Axis]: Gulf Manufacturing, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.00%
Spread (as a percent)	[7],[13],[25]	7.63%
Principal	[7],[13],[25]	$ 0
Cost	[7],[13],[25]	(49)
Fair value		$ 0	[7],[13],[25]	0
Investment, Identifier [Axis]: Gulf Manufacturing, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[7],[13]	13.00%
Spread (as a percent)	[7],[13]	7.63%
Principal	[7],[13]	$ 40,000
Cost	[7],[13]	39,607
Fair value		$ 40,000	[7],[13]	$ 0
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Member Units
Schedule of Investments [Line Items]
Units (in shares)		3,681		3,681
Cost		$ 3,681		$ 3,681
Fair value		$ 0		$ 0		0	0
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Preferred Equity
Schedule of Investments [Line Items]
Units (in shares)		63,720		63,720
Cost		$ 5,600		$ 5,600
Fair value		$ 1,530		$ 2,460		$ 3,780	3,780
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		14.98%
Spread (as a percent)		9.50%	[25],[26]	9.50%	[27],[28]	9.50%
Principal		$ 0	[25],[26]	$ 0	[27],[28]
Cost		0	[25],[26]	0	[27],[28]
Fair value		$ 0	[25],[26]	$ 0	[27],[28]	$ 0	0
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%		12.50%		12.50%
Principal		$ 2,400		$ 2,400
Cost		2,400		2,400
Fair value		$ 2,284		$ 2,284		$ 2,284	2,284
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Common Equity
Schedule of Investments [Line Items]
Units (in shares)	[5]	64,029
Cost	[5]	$ 0
Fair value	[5]	$ 0
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		9.07%	[5],[26]	14.34%	[6],[27],[39]
Spread (as a percent)		3.50%	[5],[26]	9.50%	[6],[27],[39]
PIK Rate		2.50%	[5],[26]	14.34%	[6],[27],[39]
Principal		$ 2,378	[5],[26]	$ 370	[6],[27],[39]
Cost		2,232	[5],[26]	370	[6],[27],[39]
Fair value		$ 2,232	[5],[26]	$ 336	[6],[27],[39]
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		2.50%	[5],[32]	14.34%	[6],[27],[39]
Spread (as a percent)		2.50%	[5],[32]	9.50%	[6],[27],[39]
PIK Rate		2.50%	[5],[32]	14.34%	[6],[27],[39]
Principal		$ 1,626	[5],[32]	$ 3,751	[6],[27],[39]
Cost		713	[5],[32]	3,751	[6],[27],[39]
Fair value		$ 713	[5],[32]	$ 3,406	[6],[27],[39]
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		6.50%	[5],[25],[26]	6.50%	[6],[27],[28]
Principal		$ 0	[5],[25],[26]	$ 0	[6],[27],[28]
Cost		(45)	[5],[25],[26]	(48)	[6],[27],[28]
Fair value		$ (45)	[5],[25],[26]	$ (48)	[6],[27],[28]
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.83%	[5],[26]	11.86%	[6],[27]
Spread (as a percent)		6.50%	[5],[26]	6.50%	[6],[27]
Principal		$ 6,716	[5],[26]	$ 6,733	[6],[27]
Cost		6,613	[5],[26]	6,622	[6],[27]
Fair value		$ 6,716	[5],[26]	$ 6,733	[6],[27]
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.83%	[5],[26]	11.86%	[6],[27]
Spread (as a percent)		6.50%	[5],[26]	6.50%	[6],[27]
Principal		$ 16,580	[5],[26]	$ 16,622	[6],[27]
Cost		16,359	[5],[26]	16,384	[6],[27]
Fair value		$ 16,580	[5],[26]	$ 16,622	[6],[27]
Investment, Identifier [Axis]: HOWLCO LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.98%	[7],[11],[13],[26]	11.53%	[9],[12],[14],[27]
Spread (as a percent)		6.50%	[7],[11],[13],[26]	6.00%	[9],[12],[14],[27]
PIK Rate	[7],[11],[13],[26]	3.50%
Principal		$ 25,552	[7],[11],[13],[26]	$ 25,162	[9],[12],[14],[27]
Cost		25,552	[7],[11],[13],[26]	25,162	[9],[12],[14],[27]
Fair value		25,049	[7],[11],[13],[26]	24,397	[9],[12],[14],[27]
Investment, Identifier [Axis]: HPEP 3, L.P., LP Interests (423 COR, L.P.)
Schedule of Investments [Line Items]
Fair value		1,869		1,869
Investment, Identifier [Axis]: HPEP 3, L.P., LP Interests (423 COR, LP)
Schedule of Investments [Line Items]
Fair value						1,400	1,400
Investment, Identifier [Axis]: HPEP 3, L.P., LP Interests (HPEP 3, L.P.)
Schedule of Investments [Line Items]
Fair value		4,225		4,225		3,936	4,331
Investment, Identifier [Axis]: HPEP 3, L.P., LP Interests (HPEP 4, L.P.)
Schedule of Investments [Line Items]
Fair value		$ 3,773		$ 3,773		2,332	2,332
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (2717 HPP-MS, L.P.)
Schedule of Investments [Line Items]
Units (as a percent)		49.26%	[7],[8],[44]	49.26%	[9],[10],[45]
Cost		$ 248	[7],[8],[44]	$ 248	[9],[10],[45]
Fair value		$ 315	[7],[8],[44]	$ 315	[9],[10],[45]
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (2717 MH, L.P.)
Schedule of Investments [Line Items]
Units (as a percent)		49.26%	[7],[8],[30],[44]	49.26%	[9],[10],[31],[45]
Cost		$ 3,345	[7],[8],[30],[44]	$ 3,345	[9],[10],[31],[45]
Fair value		$ 6,050	[7],[8],[30],[44]	$ 6,050	[9],[10],[31],[45]
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (423 COR, L.P.)
Schedule of Investments [Line Items]
Units (as a percent)		22.93%	[7],[8],[30],[44]	22.93%	[9],[10],[31],[45]
Cost		$ 1,400	[7],[8],[30],[44]	$ 1,400	[9],[10],[31],[45]
Fair value		$ 1,869	[7],[8],[30],[44]	$ 1,869	[9],[10],[31],[45]
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (423 HAR, L.P.)
Schedule of Investments [Line Items]
Units (as a percent)		15.60%	[7],[8],[44]	15.60%	[9],[10],[45]
Cost		$ 750	[7],[8],[44]	$ 750	[9],[10],[45]
Fair value		$ 997	[7],[8],[44]	$ 996	[9],[10],[45]
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (HPEP 3, L.P.)
Schedule of Investments [Line Items]
Units (as a percent)		8.22%	[7],[8],[30],[44]	8.22%	[9],[10],[45]
Cost		$ 2,296	[7],[8],[30],[44]	$ 2,296	[9],[10],[45]
Fair value		$ 4,225	[7],[8],[30],[44]	$ 4,225	[9],[10],[45]
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (HPEP 4, L.P.)
Schedule of Investments [Line Items]
Units (as a percent)		11.61%	[7],[8],[44]	11.61%	[9],[10],[45]
Cost		$ 3,773	[7],[8],[44]	$ 3,773	[9],[10],[45]
Fair value		$ 3,773	[7],[8],[44]	$ 3,773	[9],[10],[45]
Investment, Identifier [Axis]: Harrison Hydra-Gen, Ltd., Common Stock
Schedule of Investments [Line Items]
Units (in shares)		107,456		107,456
Cost		$ 718		$ 718
Fair value		$ 4,920		$ 4,660		3,490	3,280
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Units (in shares)		226	[30]	226
Cost		$ 2,850	[30]	$ 2,850
Fair value		$ 17,890	[30]	$ 17,460		17,460	17,460
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Units (in shares)		226	[40]	226	[41]
Cost		$ 150	[40]	$ 150	[41]
Fair value		$ 940	[40]	$ 920	[41]	$ 920	920
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.53%	[26]	11.65%	[27]	10.75%
Spread (as a percent)		6.00%	[26]	6.00%	[27]	6.00%
Principal		$ 1,436	[26]	$ 1,974	[27]
Cost		1,434	[26]	1,972	[27]
Fair value		$ 1,436	[26]	$ 1,974	[27]	$ 4,000	3,185
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%		12.50%		10.00%
Principal		$ 45,256		$ 45,256
Cost		45,158		45,144
Fair value		$ 45,256		$ 45,256		$ 37,800	37,800
Investment, Identifier [Axis]: Houston Plating and Coatings, LLC, Member Units
Schedule of Investments [Line Items]
Units (in shares)		322,297	[30]	322,297	[31]
Cost		$ 2,352	[30]	$ 2,352	[31]
Fair value		$ 3,210	[30]	$ 3,340	[31]	$ 3,000	2,400
Investment, Identifier [Axis]: Houston Plating and Coatings, LLC, Unsecured Convertible Debt
Schedule of Investments [Line Items]
Total Rate		8.00%		8.00%		8.00%
Principal		$ 3,000		$ 3,000
Cost		3,000		3,000
Fair value		$ 2,940		$ 2,880		$ 2,830	3,000
Investment, Identifier [Axis]: Hybrid Promotions, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		15.84%	[5],[26]	15.91%	[6],[27]
Spread (as a percent)		8.25%	[5],[26]	8.25%	[6],[27]
PIK Rate		2.00%	[5],[26]	2.00%	[6],[27]
Principal		$ 7,204	[5],[26]	$ 7,167	[6],[27]
Cost		7,082	[5],[26]	7,031	[6],[27]
Fair value		7,056	[5],[26]	6,581	[6],[27]
Investment, Identifier [Axis]: I-45 SLF LLC, Member Units (Fully diluted 20.0%; 21.75% profits interest)
Schedule of Investments [Line Items]
Cost	[9],[10],[31]			20,200
Fair value	[9],[10],[31]			13,490
Investment, Identifier [Axis]: I-45 SLF LLC, Member Units (Fully diluted 20.0%; 21.75% profits interest)
Schedule of Investments [Line Items]
Fair value		$ 0		$ 13,490		$ 12,958	11,758
Diluted, percentage (as a percent)		20.00%		20.00%	[9],[10]	20.00%
Profits, percentage (as a percent)		21.75%		21.75%	[9],[10]	21.75%
Investment, Identifier [Axis]: IG Investor, LLC, Common Equity
Schedule of Investments [Line Items]
Units (in shares)		14,400		14,400
Cost		$ 14,400		$ 14,400
Fair value		$ 14,400		14,400
Investment, Identifier [Axis]: IG Investor, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.00%
Principal		$ 0	[25]	0	[28]
Cost		(33)	[25]	(35)	[28]
Fair value		$ (33)	[25]	$ (35)	[28]
Investment, Identifier [Axis]: IG Investor, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%		13.00%
Principal		$ 36,824		$ 37,264
Cost		36,516		36,934
Fair value		$ 36,516		$ 36,934
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		5.75%	[11],[25],[26]	5.75%	[12],[27],[28]
Principal		$ 0	[11],[25],[26]	$ 0	[12],[27],[28]
Cost		(18)	[11],[25],[26]	(20)	[12],[27],[28]
Fair value		$ 0	[11],[25],[26]	$ 0	[12],[27],[28]
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.93%	[11],[26]	10.96%	[12],[27]
Spread (as a percent)		5.50%	[11],[26]	5.50%	[12],[27]
Principal		$ 10,315	[11],[26]	$ 9,399	[12],[27]
Cost		10,216	[11],[26]	9,294	[12],[27]
Fair value		$ 10,315	[11],[26]	$ 9,399	[12],[27]
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.93%	[11],[26]	10.96%	[12],[27]
Spread (as a percent)		5.50%	[11],[26]	5.50%	[12],[27]
Principal		$ 4,941	[11],[26]	$ 4,953	[12],[27]
Cost		4,889	[11],[26]	4,899	[12],[27]
Fair value		$ 4,941	[11],[26]	$ 4,953	[12],[27]
Investment, Identifier [Axis]: INW Manufacturing, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.31%	[11],[26]	11.36%	[12],[27]
Spread (as a percent)		5.75%	[11],[26]	5.75%	[12],[27]
Principal		$ 7,088	[11],[26]	$ 6,656	[12],[27]
Cost		6,880	[11],[26]	6,544	[12],[27]
Fair value		$ 5,670	[11],[26]	$ 5,325	[12],[27]
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		16.53%	[26]	16.59%	[27]
Spread (as a percent)		9.00%	[26]	9.00%	[27]
PIK Rate		2.00%	[26]	2.00%	[27]
Principal		$ 830	[26]	$ 826	[27]
Cost		821	[26]	816	[27]
Fair value		$ 821	[26]	$ 816	[27]
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		16.53%	[26]	16.59%	[27]
Spread (as a percent)		9.00%	[26]	9.00%	[27]
PIK Rate		2.00%	[26]	2.00%	[27]
Principal		$ 715	[26]	$ 711	[27]
Cost		702	[26]	697	[27]
Fair value		$ 702	[26]	$ 697	[27]
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		15.53%	[26]	15.59%	[27]
Spread (as a percent)		8.00%	[26]	8.00%	[27]
PIK Rate		2.00%	[26]	2.00%	[27]
Principal		$ 4,385	[26]	$ 4,362	[27]
Cost		3,518	[26]	3,430	[27]
Fair value		$ 3,518	[26]	$ 3,430	[27]
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		17.53%	[26]	17.59%	[27]
Spread (as a percent)		10.00%	[26]	10.00%	[27]
PIK Rate		2.00%	[26]	2.00%	[27]
Principal		$ 4,385	[26]	$ 4,362	[27]
Cost		3,518	[26]	3,430	[27]
Fair value		$ 3,518	[26]	$ 3,430	[27]
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Warrants
Schedule of Investments [Line Items]
Units (in shares)		193,307	[23]	193,307	[24]
Cost		$ 2,091	[23]	$ 2,091	[24]
Fair value		$ 2,091	[23]	$ 2,091	[24]
Investment, Identifier [Axis]: Imaging Business Machines, L.L.C., Common Equity
Schedule of Investments [Line Items]
Units (in shares)		849	[5]	849	[6]
Cost		$ 1,166	[5]	$ 1,166	[6]
Fair value		$ 1,210	[5]	$ 1,110	[6]
Investment, Identifier [Axis]: Imaging Business Machines, L.L.C., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.27%	[5],[26],[47]	12.41%	[6],[27],[57]
Spread (as a percent)		7.00%	[5],[26],[47]	7.00%	[6],[27],[57]
Principal		$ 1,186	[5],[26],[47]	$ 1,581	[6],[27],[57]
Cost		1,109	[5],[26],[47]	1,500	[6],[27],[57]
Fair value		$ 1,186	[5],[26],[47]	$ 1,571	[6],[27],[57]
Investment, Identifier [Axis]: Imaging Business Machines, L.L.C., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.25%	[5],[26]	12.45%	[6],[27]
Spread (as a percent)		7.00%	[5],[26]	7.00%	[6],[27]
Principal		$ 20,716	[5],[26]	$ 20,768	[6],[27]
Cost		20,196	[5],[26]	20,217	[6],[27]
Fair value		$ 20,716	[5],[26]	$ 20,637	[6],[27]
Investment, Identifier [Axis]: Implus Footcare, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		14.21%	[5],[26]	14.25%	[6],[27]
Spread (as a percent)		7.75%	[5],[26]	7.75%	[6],[27]
PIK Rate		1.00%	[5],[26]	1.00%	[6],[27]
Principal		$ 18,646	[5],[26]	$ 18,645	[6],[27]
Cost		18,620	[5],[26]	18,600	[6],[27]
Fair value		$ 17,620	[5],[26]	$ 17,334	[6],[27]
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Common Equity
Schedule of Investments [Line Items]
Units (in shares)		18,006,407	[5]	18,006,407
Cost		$ 18,300	[5]	$ 18,300
Fair value		$ 17,910	[5]	$ 17,690
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Member Units
Schedule of Investments [Line Items]
Units (in shares)	[6],[41]			900
Cost	[6],[41]			$ 900
Fair value	[6],[41]			$ 690
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Units (in shares)	[6],[31],[41]			144
Total Rate	[6],[31],[41]			10.00%
PIK Rate	[6],[31],[41]			10.00%
Cost	[6],[31],[41]			$ 138
Fair value	[6],[31],[41]			$ 178
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Units (in shares)	[6],[31],[41]			80
Total Rate	[6],[31],[41]			20.00%
PIK Rate	[6],[31],[41]			20.00%
Cost	[6],[31],[41]			$ 102
Fair value	[6],[31],[41]			$ 120
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[6],[27],[58]			12.22%
Spread (as a percent)	[6],[27],[58]			6.75%
Principal	[6],[27],[58]			$ 1,390
Cost	[6],[27],[58]			1,367
Fair value	[6],[27],[58]			$ 1,390
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[6],[27]			12.22%
Spread (as a percent)	[6],[27]			6.75%
Principal	[6],[27]			$ 19,044
Cost	[6],[27]			18,842
Fair value	[6],[27]			$ 19,044
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC, Preferred Equity
Schedule of Investments [Line Items]
Units (in shares)		87,360	[30]	80,000
Cost		$ 4,368	[30]	$ 4,000
Fair value		$ 4,368	[30]	$ 4,000		$ 4,000	0
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.00%		13.00%		13.00%
Principal		$ 17,325		$ 17,550
Cost		17,189		17,403
Fair value		$ 17,189		$ 17,403		$ 17,823	0
Investment, Identifier [Axis]: Infolinks Media Buyco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.18%	[5],[26]	11.21%	[6],[27]
Spread (as a percent)		5.75%	[5],[26]	5.75%	[6],[27]
Principal		$ 1,501	[5],[26]	$ 1,504	[6],[27]
Cost		1,478	[5],[26]	1,480	[6],[27]
Fair value		$ 1,501	[5],[26]	$ 1,504	[6],[27]
Investment, Identifier [Axis]: Infolinks Media Buyco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.18%	[5],[26]	11.21%	[6],[27]
Spread (as a percent)		5.75%	[5],[26]	5.75%	[6],[27]
Principal		$ 7,651	[5],[26]	$ 7,752	[6],[27]
Cost		7,570	[5],[26]	7,663	[6],[27]
Fair value		$ 7,651	[5],[26]	$ 7,752	[6],[27]
Investment, Identifier [Axis]: Insight Borrower Corporation, Common Equity
Schedule of Investments [Line Items]
Units (in shares)		131,100	[5]	131,100	[6]
Cost		$ 656	[5]	$ 656	[6]
Fair value		$ 430	[5]	$ 656	[6]
Investment, Identifier [Axis]: Insight Borrower Corporation, Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		6.25%	[5],[25],[26]	6.25%	[6],[27],[28]
Principal		$ 0	[5],[25],[26]	$ 0	[6],[27],[28]
Cost		(66)	[5],[25],[26]	(70)	[6],[27],[28]
Fair value		$ (66)	[5],[25],[26]	$ (70)	[6],[27],[28]
Investment, Identifier [Axis]: Insight Borrower Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Spread (as a percent)		6.25%	[5],[25],[26]	6.25%	[6],[27],[28]
Principal		$ 0	[5],[25],[26]	$ 0	[6],[27],[28]
Cost		(54)	[5],[25],[26]	(57)	[6],[27],[28]
Fair value		$ (54)	[5],[25],[26]	$ (57)	[6],[27],[28]
Investment, Identifier [Axis]: Insight Borrower Corporation, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.56%	[5],[26]	11.65%	[6],[27]
Spread (as a percent)		6.25%	[5],[26]	6.25%	[6],[27]
Principal		$ 14,370	[5],[26]	$ 14,406	[6],[27]
Cost		13,991	[5],[26]	14,009	[6],[27]
Fair value		$ 14,124	[5],[26]	$ 14,258	[6],[27]
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Common Equity
Schedule of Investments [Line Items]
Units (in shares)		131,569	[5]	131,569	[6]
Cost		$ 417	[5]	$ 417	[6]
Fair value		$ 240	[5]	$ 240	[6]
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.44%	[5],[26],[47]	13.53%	[6],[27],[59]
Spread (as a percent)		8.00%	[5],[26],[47]	8.00%	[6],[27],[59]
Principal		$ 790	[5],[26],[47]	$ 790	[6],[27],[59]
Cost		771	[5],[26],[47]	770	[6],[27],[59]
Fair value		$ 762	[5],[26],[47]	$ 776	[6],[27],[59]
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.48%	[5],[26]	13.55%	[6],[27]
Spread (as a percent)		8.00%	[5],[26]	8.00%	[6],[27]
Principal		$ 7,289	[5],[26]	$ 7,308	[6],[27]
Cost		7,137	[5],[26]	7,146	[6],[27]
Fair value		$ 7,028	[5],[26]	$ 7,177	[6],[27]
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		13.48%	[5],[26]	13.55%	[6],[27]
Spread (as a percent)		8.00%	[5],[26]	8.00%	[6],[27]
Principal		$ 2,932	[5],[26]	$ 2,940	[6],[27]
Cost		2,875	[5],[26]	2,879	[6],[27]
Fair value		$ 2,827	[5],[26]	$ 2,887	[6],[27]
Investment, Identifier [Axis]: Integral Energy Services, Common Stock
Schedule of Investments [Line Items]
Units (in shares)		9,968	[5]	9,968	[6]
Cost		$ 1,356	[5]	$ 1,356	[6]
Fair value		$ 300	[5]	$ 160	[6]
Investment, Identifier [Axis]: Integral Energy Services, Preferred Equity
Schedule of Investments [Line Items]
Units (in shares)		3,188	[5],[30]	3,188	[6]
Total Rate		10.00%	[5],[30]	10.00%	[6]
PIK Rate		10.00%	[5],[30]	10.00%	[6]
Cost		$ 236	[5],[30]	$ 227	[6]
Fair value		$ 309	[5],[30]	$ 300	[6]
Investment, Identifier [Axis]: Integral Energy Services, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.09%	[5],[26]	13.16%	[6],[27]
Spread (as a percent)		7.50%	[5],[26]	7.50%	[6],[27]
Principal		$ 13,129	[5],[26]	$ 14,485	[6],[27]
Cost		12,998	[5],[26]	14,323	[6],[27]
Fair value		$ 12,803	[5],[26]	$ 13,891	[6],[27]
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Common Stock
Schedule of Investments [Line Items]
Units (in shares)		2,143	[5]	2,143	[6]
Cost		$ 0	[5]	$ 0	[6]
Fair value		$ 0	[5]	$ 0	[6]
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.43%	[5],[38],[47]	15.48%	[6],[39],[60]
Spread (as a percent)		10.00%	[5],[38],[47]	10.00%	[6],[39],[60]
Principal		$ 1,835	[5],[38],[47]	$ 1,835	[6],[39],[60]
Cost		1,835	[5],[38],[47]	1,835	[6],[39],[60]
Fair value		$ 1,680	[5],[38],[47]	$ 1,781	[6],[39],[60]
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.43%	[5],[26],[32],[38]	12.46%	[6],[27],[33],[39]
Spread (as a percent)		7.00%	[5],[26],[32],[38]	7.00%	[6],[27],[33],[39]
PIK Rate		12.43%	[5],[26],[32],[38]	12.46%	[6],[27],[33],[39]
Principal		$ 7,313	[5],[26],[32],[38]	$ 7,313	[6],[27],[33],[39]
Cost		7,237	[5],[26],[32],[38]	7,237	[6],[27],[33],[39]
Fair value		$ 17	[5],[26],[32],[38]	$ 431	[6],[27],[33],[39]
Investment, Identifier [Axis]: Intermedia Holdings, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.43%	[11],[26]	11.47%	[12],[27]
Spread (as a percent)		6.00%	[11],[26]	6.00%	[12],[27]
Principal		$ 26,957	[11],[26]	$ 20,201	[12],[27]
Cost		26,916	[11],[26]	20,172	[12],[27]
Fair value		$ 26,957	[11],[26]	$ 19,570	[12],[27]
Investment, Identifier [Axis]: Invincible Boat Company, LLC., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.96%	[5],[26]	12.00%	[6],[27]
Spread (as a percent)		6.50%	[5],[26]	6.50%	[6],[27]
Principal		$ 104	[5],[26]	$ 519	[6],[27]
Cost		101	[5],[26]	516	[6],[27]
Fair value		$ 103	[5],[26]	$ 509	[6],[27]
Investment, Identifier [Axis]: Invincible Boat Company, LLC., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.96%	[5],[26]	12.00%	[6],[27]
Spread (as a percent)		6.50%	[5],[26]	6.50%	[6],[27]
Principal		$ 16,812	[5],[26]	$ 16,812	[6],[27]
Cost		16,757	[5],[26]	16,747	[6],[27]
Fair value		$ 16,615	[5],[26]	$ 16,515	[6],[27]
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Common Stock
Schedule of Investments [Line Items]
Units (in shares)		203,016		203,016
Cost		$ 2,756		$ 2,756
Fair value		$ 2,680		$ 2,680		$ 2,756	1,798
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.50%		13.50%		13.50%
Principal		$ 4,514		$ 4,514
Cost		4,489		4,487
Fair value		$ 4,489		$ 4,487		$ 4,502	4,500
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.50%		13.50%		13.50%
Principal		$ 2,940		$ 2,940
Cost		2,923		2,922
Fair value		$ 2,923		$ 2,922		$ 3,132	3,130
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		13.50%		13.50%		13.50%
Principal		$ 8,944		$ 8,944
Cost		8,944		8,944
Fair value		$ 8,944		$ 8,944		$ 8,944	8,944
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		13.50%		13.50%		13.50%
Principal		$ 19,624		$ 19,624
Cost		19,511		19,503
Fair value		$ 19,511		$ 19,503		$ 19,568	19,559
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 5
Schedule of Investments [Line Items]
Total Rate		13.50%		13.50%		13.50%
Principal		$ 10,362		$ 10,562
Cost		10,095		10,273
Fair value		$ 10,095		$ 10,273		$ 10,836	0
Investment, Identifier [Axis]: Isagenix International, LLC, Common Equity
Schedule of Investments [Line Items]
Units (in shares)		198,743	[11]	186,322	[12]
Cost		$ 0	[11]	$ 0	[12]
Fair value		$ 0	[11]	$ 0	[12]
Investment, Identifier [Axis]: Isagenix International, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.03%	[11],[26]	11.04%	[12],[27]
Spread (as a percent)		5.50%	[11],[26]	5.50%	[12],[27]
PIK Rate		8.54%	[11],[26]	8.54%	[12],[27]
Principal		$ 2,945	[11],[26]	$ 2,615	[12],[27]
Cost		2,696	[11],[26]	2,374	[12],[27]
Fair value		$ 2,576	[11],[26]	$ 2,301	[12],[27]
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Common Equity
Schedule of Investments [Line Items]
Units (in shares)		1,684,211	[5]	1,684,211	[6]
Cost		$ 1,684	[5]	$ 1,684	[6]
Fair value		$ 1,270	[5]	$ 1,710	[6]
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.57%	[5],[26],[47]	11.64%	[6],[27],[61]
Spread (as a percent)		6.00%	[5],[26],[47]	6.00%	[6],[27],[61]
Principal		$ 7,347	[5],[26],[47]	$ 3,137	[6],[27],[61]
Cost		7,255	[5],[26],[47]	3,036	[6],[27],[61]
Fair value		$ 7,347	[5],[26],[47]	$ 3,137	[6],[27],[61]
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.55%	[5],[26]	11.61%	[6],[27]
Spread (as a percent)		6.00%	[5],[26]	6.00%	[6],[27]
Principal		$ 35,763	[5],[26]	$ 36,000	[6],[27]
Cost		35,362	[5],[26]	35,562	[6],[27]
Fair value		$ 35,763	[5],[26]	$ 36,000	[6],[27]
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[5],[26]	11.55%
Spread (as a percent)	[5],[26]	6.00%
Principal	[5],[26]	$ 3,347
Cost	[5],[26]	3,252
Fair value	[5],[26]	$ 3,347
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Preferred Equity
Schedule of Investments [Line Items]
Units (in shares)		2,826,667	[5]	2,826,667	[6]
Cost		$ 110	[5]	$ 110	[6]
Fair value		$ 1,090	[5]	$ 1,090	[6]
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.46%	[5],[26],[29]	12.46%	[6],[27],[62]
Spread (as a percent)		7.00%	[5],[26],[29]	7.00%	[6],[27],[62]
Principal		$ 834	[5],[26],[29]	$ 835	[6],[27],[62]
Cost		825	[5],[26],[29]	823	[6],[27],[62]
Fair value		$ 834	[5],[26],[29]	$ 835	[6],[27],[62]
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.48%	[5],[26]	12.46%	[6],[27]
Spread (as a percent)		10.00%	[5],[26]	7.00%	[6],[27]
Principal		$ 159	[5],[26]	$ 1,974	[6],[27]
Cost		144	[5],[26]	1,974	[6],[27]
Fair value		$ 144	[5],[26]	$ 1,974	[6],[27]
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[5],[26]	12.46%
Spread (as a percent)	[5],[26]	7.00%
Principal	[5],[26]	$ 1,948
Cost	[5],[26]	1,948
Fair value	[5],[26]	$ 1,948
Investment, Identifier [Axis]: Jensen Jewelers of Idaho, LLC, Member Units
Schedule of Investments [Line Items]
Units (in shares)		627	[30]	627	[31]
Cost		$ 811	[30]	$ 811	[31]
Fair value		$ 12,660	[30]	$ 12,420	[31]	$ 14,850	14,970
Investment, Identifier [Axis]: Jensen Jewelers of Idaho, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.25%
Spread (as a percent)		6.75%	[25]	6.75%	[28],[39]	6.75%
Principal		$ 0	[25]	$ 0	[28],[39]
Cost		0	[25]	0	[28],[39]
Fair value		$ 0	[25]	$ 0	[28],[39]	$ 0	0
Investment, Identifier [Axis]: Jensen Jewelers of Idaho, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.25%	[26]	15.25%	[27],[39]	14.50%
Spread (as a percent)		6.75%	[26]	6.75%	[27],[39]	6.75%
Principal		$ 1,900	[26]	$ 1,998	[27],[39]
Cost		1,900	[26]	1,998	[27],[39]
Fair value		$ 1,900	[26]	$ 1,998	[27],[39]	$ 2,450	2,450
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Common Stock
Schedule of Investments [Line Items]
Units (in shares)	[12]			472,579
Cost	[12]			$ 4,429
Fair value	[12]			$ 0
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Common Stock 1
Schedule of Investments [Line Items]
Units (in shares)	[11]	472,579
Cost	[11]	$ 4,429
Fair value	[11]	$ 0
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Common Stock 2
Schedule of Investments [Line Items]
Units (in shares)	[11]	5,461,019
Cost	[11]	$ 200
Fair value	[11]	$ 200
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		21.59%	[11],[26],[32]	23.63%	[12],[27],[33]
Spread (as a percent)		16.00%	[11],[26],[32]	18.00%	[12],[27],[33]
PIK Rate		21.59%	[11],[26],[32]	23.63%	[12],[27],[33]
Principal		$ 1,134	[11],[26],[32]	$ 2,431	[12],[27],[33]
Cost		1,134	[11],[26],[32]	2,431	[12],[27],[33]
Fair value		$ 0	[11],[26],[32]	$ 2,074	[12],[27],[33]
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		21.59%	[11],[26],[32]	21.63%	[12],[27],[33]
Spread (as a percent)		16.00%	[11],[26],[32]	16.00%	[12],[27],[33]
PIK Rate		21.59%	[11],[26],[32]	21.63%	[12],[27],[33]
Principal		$ 1,091	[11],[26],[32]	$ 2,057	[12],[27],[33]
Cost		1,091	[11],[26],[32]	2,038	[12],[27],[33]
Fair value		$ 0	[11],[26],[32]	$ 143	[12],[27],[33]
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		14.31%	[11],[26]	21.63%	[12],[27],[33]
Spread (as a percent)		8.75%	[11],[26]	16.00%	[12],[27],[33]
PIK Rate		6.00%	[11],[26]	21.63%	[12],[27],[33]
Principal		$ 1,945	[11],[26]	$ 1,978	[12],[27],[33]
Cost		1,945	[11],[26]	1,959	[12],[27],[33]
Fair value		$ 1,945	[11],[26]	$ 137	[12],[27],[33]
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[11],[26]	14.31%
Spread (as a percent)	[11],[26]	8.75%
PIK Rate	[11],[26]	6.00%
Principal	[11],[26]	$ 1,182
Cost	[11],[26]	1,182
Fair value	[11],[26]	$ 1,182
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Preferred Equity
Schedule of Investments [Line Items]
Units (in shares)		3,310	[30]	3,310
Cost		$ 3,635	[30]	$ 3,635
Fair value		$ 9,790	[30]	9,620		$ 6,550	5,540
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.00%
Spread (as a percent)						11.50%
Principal		$ 0	[25]	0	[28]
Cost		(16)	[25]	(18)	[28]
Fair value		$ 0	[25]	$ 0	[28]	$ 0	0
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.00%		15.00%		16.25%
Spread (as a percent)						11.50%
Principal		$ 24,207		$ 24,207
Cost		24,078		24,066
Fair value		$ 24,207		$ 24,207		$ 9,999	9,999
Investment, Identifier [Axis]: JorVet Holdings, LLC, Preferred Equity
Schedule of Investments [Line Items]
Units (in shares)		107,406	[30]	107,406	[31]
Cost		$ 10,741	[30]	$ 10,741	[31]
Fair value		$ 10,741	[30]	$ 10,741	[31]	$ 10,741	10,741
Investment, Identifier [Axis]: JorVet Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%		12.00%
Principal		$ 25,650		$ 25,650
Cost		25,496		25,483
Fair value		$ 25,496		$ 25,483		$ 25,445	25,432
Investment, Identifier [Axis]: KBK Industries, LLC, Member Units
Schedule of Investments [Line Items]
Units (in shares)		325	[30]	325	[31]
Cost		$ 783	[30]	$ 783	[31]
Fair value		$ 24,360	[30]	$ 22,770	[31]	$ 11,980	15,570
Investment, Identifier [Axis]: KBK Industries, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		9.00%		9.00%		10.00%
Principal		$ 4,500		$ 4,700
Cost		4,465		4,662
Fair value		$ 4,500		$ 4,700		$ 5,750	0
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		14.70%	[5],[26]	14.75%	[6],[27]
Spread (as a percent)		9.25%	[5],[26]	9.25%	[6],[27]
Principal		$ 1,031	[5],[26]	$ 1,034	[6],[27]
Cost		1,002	[5],[26]	1,002	[6],[27]
Fair value		$ 958	[5],[26]	$ 943	[6],[27]
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.70%	[5],[26]	14.75%	[6],[27]
Spread (as a percent)		9.25%	[5],[26]	9.25%	[6],[27]
Principal		$ 7,429	[5],[26]	$ 7,448	[6],[27]
Cost		7,353	[5],[26]	7,365	[6],[27]
Fair value		$ 6,901	[5],[26]	$ 6,782	[6],[27]
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Member Units
Schedule of Investments [Line Items]
Units (in shares)		800	[30],[40]	800	[41]
Cost		$ 992	[30],[40]	$ 992	[41]
Fair value		$ 2,730	[30],[40]	$ 2,730	[41]	2,780	2,850
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Preferred Equity
Schedule of Investments [Line Items]
Units (in shares)		581		581
Cost		$ 12,240		$ 12,240
Fair value		$ 10,580		$ 9,690		$ 7,220	7,220
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%		12.00%
Principal		$ 19,799		$ 19,799
Cost		19,776		19,774
Fair value		$ 19,776		$ 19,774		$ 20,566	20,374
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.00%		9.00%		9.00%
Principal		$ 3,829		$ 3,840
Cost		3,795		3,805
Fair value		$ 3,795		$ 3,805		$ 3,833	3,842
Investment, Identifier [Axis]: LKCM Headwater Investments I, L.P., LP Interests
Schedule of Investments [Line Items]
Units (as a percent)		2.27%	[7],[8],[30],[44]	2.27%	[9],[10],[45]
Cost		$ 1,746	[7],[8],[30],[44]	$ 1,746	[9],[10],[45]
Fair value		$ 2,841	[7],[8],[30],[44]	$ 2,988	[9],[10],[45]
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.68%	[5],[26]	12.71%	[6],[27]
Spread (as a percent)		7.25%	[5],[26]	7.25%	[6],[27]
Principal		$ 8,647	[5],[26]	$ 7,960	[6],[27]
Cost		8,634	[5],[26]	7,940	[6],[27]
Fair value		$ 8,647	[5],[26]	$ 7,960	[6],[27]
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.68%	[5],[26]	12.71%	[6],[27]
Spread (as a percent)		7.25%	[5],[26]	7.25%	[6],[27]
Principal		$ 5,526	[5],[26]	$ 5,246	[6],[27]
Cost		5,516	[5],[26]	5,231	[6],[27]
Fair value		$ 5,526	[5],[26]	$ 5,246	[6],[27]
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.68%	[5],[26]	12.71%	[6],[27]
Spread (as a percent)		7.25%	[5],[26]	7.25%	[6],[27]
Principal		$ 2,900	[5],[26]	$ 2,803	[6],[27]
Cost		2,894	[5],[26]	2,796	[6],[27]
Fair value		$ 2,900	[5],[26]	$ 2,803	[6],[27]
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		12.68%	[5],[26]	12.71%	[6],[27]
Spread (as a percent)		7.25%	[5],[26]	7.25%	[6],[27]
Principal		$ 1,126	[5],[26]	$ 1,056	[6],[27]
Cost		1,125	[5],[26]	1,053	[6],[27]
Fair value		$ 1,126	[5],[26]	$ 1,056	[6],[27]
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 5
Schedule of Investments [Line Items]
Total Rate		12.68%	[5],[26]	12.71%	[6],[27]
Spread (as a percent)		7.25%	[5],[26]	7.25%	[6],[27]
Principal		$ 11,409	[5],[26]	$ 10,694	[6],[27]
Cost		11,385	[5],[26]	10,658	[6],[27]
Fair value		$ 11,409	[5],[26]	$ 10,694	[6],[27]
Investment, Identifier [Axis]: LLFlex, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		15.48%	[5],[26]	15.54%	[6],[27]
Spread (as a percent)		9.00%	[5],[26]	9.00%	[6],[27]
PIK Rate		1.00%	[5],[26]	1.00%	[6],[27]
Principal		$ 4,416	[5],[26]	$ 4,428	[6],[27]
Cost		4,335	[5],[26]	4,338	[6],[27]
Fair value		$ 4,072	[5],[26]	$ 3,979	[6],[27]
Investment, Identifier [Axis]: Lightbox Holdings, L.P., Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.56%	[11]	10.62%	[12]
Spread (as a percent)		5.00%	[11]	5.00%	[12]
Principal		$ 15,648	[11]	$ 14,325	[12]
Cost		15,530	[11]	14,237	[12]
Fair value		$ 15,179	[11]	$ 13,895	[12]
Investment, Identifier [Axis]: Logix Acquisition Company, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.25%	[5],[26]	13.25%	[6],[27]
Spread (as a percent)		4.75%	[5],[26]	4.75%	[6],[27]
Principal		$ 24,809	[5],[26]	$ 23,921	[6],[27]
Cost		23,998	[5],[26]	23,082	[6],[27]
Fair value		$ 19,235	[5],[26]	$ 18,778	[6],[27]
Investment, Identifier [Axis]: Looking Glass Investments, LLC, Member Units
Schedule of Investments [Line Items]
Units (in shares)		3	[7],[8]	3	[9],[10]
Cost		$ 125	[7],[8]	$ 125	[9],[10]
Fair value		$ 25	[7],[8]	$ 25	[9],[10]
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[12],[27]			11.46%
Spread (as a percent)	[12],[27]			6.00%
Principal	[12],[27]			$ 2,803
Cost	[12],[27]			2,785
Fair value	[12],[27]			$ 2,803
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[12],[27]			11.46%
Spread (as a percent)	[12],[27]			6.00%
Principal	[12],[27]			$ 3,925
Cost	[12],[27]			3,899
Fair value	[12],[27]			$ 3,925
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[12],[27]			11.46%
Spread (as a percent)	[12],[27]			6.00%
Principal	[12],[27]			$ 3,464
Cost	[12],[27]			3,440
Fair value	[12],[27]			$ 3,464
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[12],[27]			11.46%
Spread (as a percent)	[12],[27]			6.00%
Principal	[12],[27]			$ 7,796
Cost	[12],[27]			7,727
Fair value	[12],[27]			$ 7,796
Investment, Identifier [Axis]: MH Corbin Holding LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Units (in shares)		66,000		66,000
Cost		$ 4,400		$ 4,400
Fair value		$ 330		$ 330		0	0
Investment, Identifier [Axis]: MH Corbin Holding LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Units (in shares)		4,000		4,000
Cost		$ 6,000		$ 6,000
Fair value		$ 0		$ 0		$ 0	0
Investment, Identifier [Axis]: MH Corbin Holding LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		14.00%		13.00%	[39]	13.00%
Principal		$ 5,320		$ 5,400	[39]
Cost		5,320		5,400	[39]
Fair value		$ 4,942		$ 5,022	[39]	$ 5,384	4,548
Investment, Identifier [Axis]: MS Private Loan Fund I, LP, LP Interests
Schedule of Investments [Line Items]
Units (as a percent)		14.51%	[7],[8],[30],[44]	14.51%	[9],[10],[31],[45]
Cost		$ 14,250	[7],[8],[30],[44]	$ 14,250	[9],[10],[31],[45]
Fair value		$ 14,527	[7],[8],[30],[44]	14,527	[9],[10],[31],[45]
Investment, Identifier [Axis]: MS Private Loan Fund I, LP, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7],[8]	5.00%
Principal		$ 2,000	[7],[8]	0	[9],[10],[28]
Cost		2,000	[7],[8]	0	[9],[10],[28]
Fair value		$ 2,000	[7],[8]	0	[9],[10],[28]
Investment, Identifier [Axis]: MS Private Loan Fund I, LP, Secured Debt
Schedule of Investments [Line Items]
Total Rate		5.00%
Fair value		$ 2,000		$ 0
Investment, Identifier [Axis]: MS Private Loan Fund II, LP, LP Interests
Schedule of Investments [Line Items]
Units (as a percent)		13.57%	[7],[8],[30],[44]	13.37%	[9],[10],[45]
Cost		$ 3,271	[7],[8],[30],[44]	$ 1,561	[9],[10],[45]
Fair value		$ 3,356	[7],[8],[30],[44]	$ 1,561	[9],[10],[45]
Investment, Identifier [Axis]: MS Private Loan Fund II, LP, Secured Debt
Schedule of Investments [Line Items]
Total Rate		8.88%	[7],[8],[26]	8.88%	[9],[10],[27]
Spread (as a percent)		3.50%	[7],[8],[26]	3.50%	[9],[10],[27]
Principal		$ 28,000	[7],[8],[26]	$ 23,500	[9],[10],[27]
Cost		27,887	[7],[8],[26]	23,367	[9],[10],[27]
Fair value		$ 27,887	[7],[8],[26]	$ 23,367	[9],[10],[27]
Investment, Identifier [Axis]: MS Private Loan Fund, LP Interests
Schedule of Investments [Line Items]
Fair value						14,775	14,833
Investment, Identifier [Axis]: MS Private Loan Fund, Secured Debt 1
Schedule of Investments [Line Items]
Fair value						0	0
Investment, Identifier [Axis]: MS Private Loan Fund, Secured Debt 2
Schedule of Investments [Line Items]
Fair value						0	0
Investment, Identifier [Axis]: MSC Adviser I, LLC, Member Units
Schedule of Investments [Line Items]
Units (as a percent)		100.00%	[30],[63]	100.00%	[31],[64]
Cost		$ 29,500	[30],[63]	$ 29,500	[31],[64]
Fair value		$ 185,260	[30],[63]	$ 174,063	[31],[64]	132,650	122,930
Investment, Identifier [Axis]: MSC Income Fund, Inc., Common Equity
Schedule of Investments [Line Items]
Units (in shares)		1,604,337	[7],[8],[30]	1,290,267	[9],[10],[31]
Cost		$ 12,500	[7],[8],[30]	$ 10,000	[9],[10],[31]
Fair value		$ 12,418	[7],[8],[30]	$ 10,025	[9],[10],[31]	760	753
Investment, Identifier [Axis]: Mako Steel, LP, Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		6.75%	[5],[25],[26]	6.75%	[6],[27],[28]
Principal		$ 0	[5],[25],[26]	$ 0	[6],[27],[28]
Cost		(25)	[5],[25],[26]	(28)	[6],[27],[28]
Fair value		$ 0	[5],[25],[26]	$ 0	[6],[27],[28]
Investment, Identifier [Axis]: Mako Steel, LP, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.23%	[5],[26]	12.28%	[6],[27]
Spread (as a percent)		6.75%	[5],[26]	6.75%	[6],[27]
Principal		$ 14,853	[5],[26]	$ 15,049	[6],[27]
Cost		14,734	[5],[26]	14,914	[6],[27]
Fair value		$ 14,853	[5],[26]	$ 15,049	[6],[27]
Investment, Identifier [Axis]: Mako Steel, LP, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[5],[26]	12.98%
Spread (as a percent)	[5],[26]	7.50%
Principal	[5],[26]	$ 4,500
Cost	[5],[26]	4,369
Fair value	[5],[26]	$ 4,500
Investment, Identifier [Axis]: Market Force Information, LLC, Member Units
Schedule of Investments [Line Items]
Fair value						$ 0	0
Investment, Identifier [Axis]: Market Force Information, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate						15.75%
Spread (as a percent)						11.00%
Fair value						$ 0	6,090
Investment, Identifier [Axis]: Market Force Information, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate						12.00%
PIK Rate						12.00%
Fair value						$ 0	1,610
Investment, Identifier [Axis]: MetalForming AcquireCo, LLC, Common Stock
Schedule of Investments [Line Items]
Fair value						$ 1,537	1,537
Investment, Identifier [Axis]: MetalForming AcquireCo, LLC, Preferred Equity
Schedule of Investments [Line Items]
Total Rate						8.00%
PIK Rate						8.00%
Fair value						$ 6,127	6,010
Investment, Identifier [Axis]: MetalForming AcquireCo, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Fair value						$ 0	0
Investment, Identifier [Axis]: MetalForming AcquireCo, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate						12.75%
Fair value						$ 23,588	23,576
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Common Stock
Schedule of Investments [Line Items]
Units (in shares)		1,537,219	[30]	1,537,219
Cost		$ 1,537	[30]	$ 1,537
Fair value		$ 2,480	[30]	$ 1,500
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Preferred Equity
Schedule of Investments [Line Items]
Units (in shares)		5,915,585	[30]	5,915,585	[31]
Total Rate		8.00%	[30]	8.00%	[31]
PIK Rate		8.00%	[30]	8.00%	[31]
Cost		$ 5,916	[30]	$ 6,035	[31]
Fair value		$ 6,034	[30]	6,035	[31]
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.75%
Principal		$ 0	[25]	0	[28]
Cost		0	[25]	0	[28]
Fair value		$ 0	[25]	$ 0	[28]
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.75%		12.75%
Principal		$ 22,657		$ 23,802
Cost		22,497		23,623
Fair value		$ 22,497		$ 23,623
Investment, Identifier [Axis]: Microbe Formulas, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		6.25%	[5],[25],[26]	6.25%	[6],[27],[28]
Principal		$ 0	[5],[25],[26]	$ 0	[6],[27],[28]
Cost		(48)	[5],[25],[26]	(51)	[6],[27],[28]
Fair value		$ (48)	[5],[25],[26]	$ (51)	[6],[27],[28]
Investment, Identifier [Axis]: Microbe Formulas, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.43%	[5],[26]	11.46%	[6],[27]
Spread (as a percent)		6.00%	[5],[26]	6.00%	[6],[27]
Principal		$ 22,168	[5],[26]	$ 22,168	[6],[27]
Cost		21,873	[5],[26]	21,855	[6],[27]
Fair value		$ 22,168	[5],[26]	$ 22,168	[6],[27]
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.46%	[5],[26]	12.52%	[6],[27]
Spread (as a percent)		7.00%	[5],[26]	7.00%	[6],[27]
Principal		$ 22,495	[5],[26]	$ 18,152	[6],[27]
Cost		22,103	[5],[26]	17,883	[6],[27]
Fair value		$ 21,888	[5],[26]	$ 17,524	[6],[27]
Investment, Identifier [Axis]: Mini Melts of America, LLC, Common Equity
Schedule of Investments [Line Items]
Units (in shares)		459,657	[5]	459,657	[6]
Cost		$ 460	[5]	$ 460	[6]
Fair value		$ 460	[5]	$ 460	[6]
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[5],[26],[47]	11.57%
Spread (as a percent)		6.25%	[5],[26],[47]	6.25%	[6],[27],[28]
Principal		$ 827	[5],[26],[47]	$ 0	[6],[27],[28]
Cost		787	[5],[26],[47]	(42)	[6],[27],[28]
Fair value		$ 793	[5],[26],[47]	$ (42)	[6],[27],[28]
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[5],[26],[29]	11.58%
Spread (as a percent)		6.25%	[5],[26],[29]	6.25%	[6],[27],[28]
Principal		$ 712	[5],[26],[29]	$ 0	[6],[27],[28]
Cost		688	[5],[26],[29]	(16)	[6],[27],[28]
Fair value		$ 683	[5],[26],[29]	$ (16)	[6],[27],[28]
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.59%	[5],[26]	10.64%	[6],[27]
Spread (as a percent)		5.25%	[5],[26]	5.25%	[6],[27]
Principal		$ 4,941	[5],[26]	$ 4,941	[6],[27]
Cost		4,831	[5],[26]	4,825	[6],[27]
Fair value		$ 4,892	[5],[26]	$ 4,825	[6],[27]
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		12.59%	[5],[26]	12.64%	[6],[27]
Spread (as a percent)		7.25%	[5],[26]	7.25%	[6],[27]
Principal		$ 4,941	[5],[26]	$ 4,941	[6],[27]
Cost		4,826	[5],[26]	4,820	[6],[27]
Fair value		$ 4,892	[5],[26]	$ 4,820	[6],[27]
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Common Stock
Schedule of Investments [Line Items]
Units (in shares)		44,445,814	[5],[7],[13]	44,445,814	[6],[9],[14]
Cost		$ 889	[5],[7],[13]	$ 889	[6],[9],[14]
Fair value		$ 678	[5],[7],[13]	$ 678	[6],[9],[14]
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		14.00%	[5],[7],[13]	14.00%	[6],[9],[14]
PIK Rate		4.00%	[5],[7],[13]	4.00%	[6],[9],[14]
Principal		$ 3,928	[5],[7],[13]	$ 3,889	[6],[9],[14]
Cost		3,882	[5],[7],[13]	3,839	[6],[9],[14]
Fair value		$ 3,887	[5],[7],[13]	$ 3,938	[6],[9],[14]
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.00%	[5],[7],[13]	14.00%	[6],[9],[14]
PIK Rate		4.00%	[5],[7],[13]	4.00%	[6],[9],[14]
Principal		$ 10,314	[5],[7],[13]	$ 10,211	[6],[9],[14]
Cost		10,182	[5],[7],[13]	10,068	[6],[9],[14]
Fair value		$ 11,021	[5],[7],[13]	$ 11,164	[6],[9],[14]
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		14.00%	[5],[7],[13]	14.00%	[6],[9],[14]
PIK Rate		4.00%	[5],[7],[13]	4.00%	[6],[9],[14]
Principal		$ 17,387	[5],[7],[13]	$ 17,213	[6],[9],[14]
Cost		17,177	[5],[7],[13]	16,987	[6],[9],[14]
Fair value		$ 17,387	[5],[7],[13]	$ 17,213	[6],[9],[14]
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Unsecured Debt
Schedule of Investments [Line Items]
Total Rate	[5],[7],[13]	8.00%
PIK Rate	[5],[7],[13]	8.00%
Principal	[5],[7],[13]	$ 160
Cost	[5],[7],[13]	160
Fair value	[5],[7],[13]	$ 160
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Common Stock
Schedule of Investments [Line Items]
Units (in shares)		5,873	[30]	5,873	[31]
Cost		$ 2,720	[30]	$ 2,720	[31]
Fair value		$ 26,390	[30]	26,390	[31]	25,010	22,830
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.00%
Principal		$ 0	[25]	0	[28]
Cost		0	[25]	0	[28]
Fair value		$ 0	[25]	$ 0	[28]	$ 0	0
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%		10.00%
Principal		$ 5,746		$ 5,746
Cost		5,726		5,746
Fair value		$ 5,746		$ 5,746		$ 5,746	5,746
Investment, Identifier [Axis]: NAPCO Precast, LLC, Member Units
Schedule of Investments [Line Items]
Units (in shares)		2,955		2,955
Cost		$ 2,975		$ 2,975
Fair value		$ 12,060		11,730		12,500	11,830
Investment, Identifier [Axis]: NBG Acquisition Inc, Secured Debt
Schedule of Investments [Line Items]
Principal	[12],[33]			3,849
Cost	[12],[33]			3,834
Fair value	[12],[33]			$ 115
Investment, Identifier [Axis]: NRP Jones, LLC, Member Units 1
Schedule of Investments [Line Items]
Units (in shares)		65,962	[30]	65,962
Cost		$ 114	[30]	$ 114
Fair value		53	[30]	53		4,893	4,615
Investment, Identifier [Axis]: NRP Jones, LLC, Member Units 1.1
Schedule of Investments [Line Items]
Fair value		1,466		1,466
Investment, Identifier [Axis]: NRP Jones, LLC, Member Units 2
Schedule of Investments [Line Items]
Cost		3,603	[30]	3,603	[31]
Fair value		1,466	[30]	1,466	[31]	$ 187	175
Investment, Identifier [Axis]: NRP Jones, LLC, Member Units 2.1
Schedule of Investments [Line Items]
Fair value		$ 53		$ 53
Investment, Identifier [Axis]: NRP Jones, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%		12.00%
Principal		$ 2,080		$ 2,080
Cost		2,080		2,080
Fair value		$ 2,080		$ 2,080		$ 2,080	2,080
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC (NVS), Preferred Member Units
Schedule of Investments [Line Items]
Fair value						$ 11,220	7,700
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC (NVS), Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)						7.00%
Fair value						$ 0	0
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC (NVS), Secured Debt 2
Schedule of Investments [Line Items]
Total Rate						12.00%
Fair value						$ 20,094	20,094
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC (NVS), Secured Debt 3
Schedule of Investments [Line Items]
Total Rate						12.00%
Fair value						$ 10,500	10,500
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		6,987	[30]	6,987	[31]
Cost		$ 6,987	[30]	$ 6,987	[31]
Fair value		$ 19,410	[30]	$ 15,020	[31]
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.48%
Spread (as a percent)		7.00%	[25],[26]	7.00%	[27],[28]
Principal		$ 0	[25],[26]	$ 0	[27],[28]
Cost		0	[25],[26]	0	[27],[28]
Fair value		$ 0	[25],[26]	$ 0	[27],[28]
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.50%		12.00%
Principal		$ 25,794		$ 25,794
Cost		25,688		25,673
Fair value		$ 25,794		$ 25,794
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.50%		12.00%
Principal		$ 10,500		$ 10,500
Cost		10,462		10,456
Fair value		$ 10,500		$ 10,500
Investment, Identifier [Axis]: NexRev LLC, Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		103,144,186	[30]	103,144,186	[31]
Cost		$ 8,213	[30]	$ 8,213	[31]
Fair value		$ 8,210	[30]	6,350	[31]	2,990	1,110
Investment, Identifier [Axis]: NexRev LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.00%
Principal		$ 1,600		0	[28]
Cost		1,600		0	[28]
Fair value		$ 1,600		$ 0	[28]	$ 0	0
Investment, Identifier [Axis]: NexRev LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%		11.00%
Principal		$ 9,811		$ 9,811
Cost		9,764		9,751
Fair value		$ 9,764		$ 9,751		$ 8,870	8,477
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		7.00%	[5],[25],[26]	7.00%	[6],[27],[28]
Principal		$ 0	[5],[25],[26]	$ 0	[6],[27],[28]
Cost		(8)	[5],[25],[26]	(9)	[6],[27],[28]
Fair value		$ (8)	[5],[25],[26]	$ (8)	[6],[27],[28]
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Spread (as a percent)		7.00%	[5],[25],[26]	7.00%	[6],[27],[28]
Principal		$ 0	[5],[25],[26]	$ 0	[6],[27],[28]
Cost		0	[5],[25],[26]	0	[6],[27],[28]
Fair value		$ 0	[5],[25],[26]	$ 0	[6],[27],[28]
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.48%	[5],[26]	12.54%	[6],[27]
Spread (as a percent)		7.00%	[5],[26]	7.00%	[6],[27]
Principal		$ 28,786	[5],[26]	$ 20,467	[6],[27]
Cost		28,470	[5],[26]	20,255	[6],[27]
Fair value		$ 28,786	[5],[26]	$ 20,467	[6],[27]
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[6],[27]			12.52%
Spread (as a percent)	[6],[27]			7.00%
Principal	[6],[27]			$ 7,222
Cost	[6],[27]			7,089
Fair value	[6],[27]			$ 7,222
Investment, Identifier [Axis]: NuStep, LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Units (in shares)		2,062		2,062
Cost		$ 2,062		$ 2,062
Fair value		5,150		5,150		7,630	8,040
Investment, Identifier [Axis]: NuStep, LLC, Preferred Member Units 1.1
Schedule of Investments [Line Items]
Fair value		$ 10,200		$ 9,240
Investment, Identifier [Axis]: NuStep, LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Units (in shares)		406		406
Cost		$ 10,200		$ 10,200
Fair value		10,200		9,240		$ 5,150	5,150
Investment, Identifier [Axis]: NuStep, LLC, Preferred Member Units 2.1
Schedule of Investments [Line Items]
Fair value		$ 5,150		$ 5,150
Investment, Identifier [Axis]: NuStep, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.98%	[26]	11.98%	[27]	11.25%
Spread (as a percent)		6.50%	[26]	6.50%	[27]	6.50%
Principal		$ 3,600	[26]	$ 3,600	[27]
Cost		3,600	[26]	3,600	[27]
Fair value		$ 3,600	[26]	$ 3,600	[27]	$ 4,399	4,399
Investment, Identifier [Axis]: NuStep, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%		12.00%
Principal		$ 18,440		$ 18,440
Cost		18,429		18,426
Fair value		$ 18,429		$ 18,426		$ 18,417	18,414
Investment, Identifier [Axis]: OMi Topco, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		900	[30]	900	[31]
Cost		$ 1,080	[30]	$ 1,080	[31]
Fair value		$ 41,220	[30]	$ 36,380	[31]	$ 25,100	22,810
Investment, Identifier [Axis]: OMi Topco, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%		12.00%
Principal		$ 12,000		$ 12,750
Cost		11,942		12,682
Fair value		$ 12,000		$ 12,750		$ 15,000	15,750
Investment, Identifier [Axis]: Obra Capital, Inc, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[11]	11.44%
Spread (as a percent)	[11]	6.00%
Principal	[11]	$ 17,463
Cost	[11]	16,642
Fair value	[11]	$ 15,258
Investment, Identifier [Axis]: Obra Capital, Inc. (f/k/a Vida Capital, Inc.), Secured Debt
Schedule of Investments [Line Items]
Total Rate	[12]			11.47%
Spread (as a percent)	[12]			6.00%
Principal	[12]			$ 17,373
Cost	[12]			16,558
Fair value	[12]			$ 14,897
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Common Stock
Schedule of Investments [Line Items]
Units (in shares)		635		635
Cost		$ 830		$ 830
Fair value		$ 0		$ 0		$ 0	0
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Preferred Stock
Schedule of Investments [Line Items]
Units (in shares)		912		912
Total Rate		7.00%		7.00%		7.00%
PIK Rate		7.00%		7.00%		7.00%
Cost		$ 1,981		$ 1,981
Fair value		$ 0		$ 0		$ 0	0
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%	[32]	12.00%	[33]	12.00%
PIK Rate		12.00%	[32]	12.00%	[33]	12.00%
Principal		$ 4,415	[32]	$ 4,415	[33]
Cost		4,415	[32]	4,415	[33]
Fair value		$ 1,298	[32]	1,493	[33]	$ 563	569
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		12.00%
PIK Rate		12.00%
Fair value		$ 283		$ 326
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%	[32]	12.00%	[33]	12.00%
PIK Rate		12.00%	[32]	12.00%	[33]	12.00%
Principal		$ 2,116	[32]	$ 2,116	[33]
Cost		2,116	[32]	2,116	[33]
Fair value		$ 622	[32]	716	[33]	$ 574	580
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		12.00%
PIK Rate		12.00%
Fair value		$ 289		$ 332
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.00%	[32]	12.00%	[33]	12.00%
PIK Rate		12.00%	[32]	12.00%	[33]	12.00%
Principal		$ 983	[32]	$ 983	[33]
Cost		983	[32]	983	[33]
Fair value		$ 289	[32]	332	[33]	$ 1,236	1,249
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 3.1
Schedule of Investments [Line Items]
Total Rate		12.00%
PIK Rate		12.00%
Fair value		$ 622		$ 716
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		12.00%	[32]	12.00%	[33]	12.00%
PIK Rate		12.00%	[32]	12.00%	[33]	12.00%
Principal		$ 964	[32]	$ 964	[33]
Cost		964	[32]	964	[33]
Fair value		$ 283	[32]	326	[33]	$ 2,577	2,606
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 4.1
Schedule of Investments [Line Items]
Total Rate		12.00%
PIK Rate		12.00%
Fair value		$ 1,298		$ 1,493
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Unsecured Debt
Schedule of Investments [Line Items]
Total Rate		10.00%	[32]	10.00%	[33]	10.00%
PIK Rate		10.00%	[32]	10.00%	[33]	10.00%
Principal		$ 305	[32]	$ 305	[33]
Cost		305	[32]	305	[33]
Fair value		$ 305	[32]	$ 305	[33]	$ 305	305
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Warrants
Schedule of Investments [Line Items]
Units (in shares)		4,699	[23]	4,699	[24]
Cost		$ 1,089	[23]	$ 1,089	[24]
Fair value		$ 0	[23]	$ 0	[24]	0	0
Investment, Identifier [Axis]: Oneliance, LLC, Preferred Stock
Schedule of Investments [Line Items]
Units (in shares)		1,128		1,128
Cost		$ 1,128		$ 1,128
Fair value		$ 1,128		$ 1,128		$ 1,056	1,056
Investment, Identifier [Axis]: Oneliance, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[26]	16.48%
Spread (as a percent)	[26]	11.00%
Principal	[26]	$ 5,360
Cost	[26]	5,334
Fair value	[26]	$ 5,334
Investment, Identifier [Axis]: Oneliance, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		16.48%
Spread (as a percent)		11.00%		11.00%	[27],[28],[39]	11.00%
Principal	[27],[28],[39]			$ 0
Cost	[27],[28],[39]			0
Fair value		$ 0		$ 0	[27],[28],[39]	$ 0	0
Investment, Identifier [Axis]: Oneliance, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		16.48%		16.48%	[27]	15.75%
Spread (as a percent)		11.00%		11.00%	[27]	11.00%
Principal	[27]			$ 5,440
Cost	[27]			5,411
Fair value		$ 5,334		$ 5,350	[27]	$ 5,482	5,559
Investment, Identifier [Axis]: Orttech Holdings, LLC, Preferred Stock
Schedule of Investments [Line Items]
Units (in shares)		10,000	[30],[40]	10,000	[31],[41]
Cost		$ 10,000	[30],[40]	$ 10,000	[31],[41]
Fair value		$ 16,340	[30],[40]	$ 17,050	[31],[41]	$ 13,500	11,750
Investment, Identifier [Axis]: Orttech Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		16.48%
Spread (as a percent)		11.00%	[25],[26]	11.00%	[27],[28]	11.00%
Principal		$ 0	[25],[26]	$ 0	[27],[28]
Cost		0	[25],[26]	0	[27],[28]
Fair value		$ 0	[25],[26]	$ 0	[27],[28]	$ 0	0
Investment, Identifier [Axis]: Orttech Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		16.48%	[26]	16.48%	[27]	15.75%
Spread (as a percent)		11.00%	[26]	11.00%	[27]	11.00%
Principal		$ 21,960	[26]	$ 22,040	[27]
Cost		21,856	[26]	21,925	[27]
Fair value		21,960	[26]	22,040	[27]	$ 22,646	23,429
Investment, Identifier [Axis]: Ospemifene Royalty Sub LLC, Secured Debt
Schedule of Investments [Line Items]
Principal		4,432	[5],[32]	4,443	[6],[33]
Cost		4,432	[5],[32]	4,443	[6],[33]
Fair value		46	[5],[32]	57	[6],[33]
Investment, Identifier [Axis]: Other, Affiliate Investments
Schedule of Investments [Line Items]
Fair value		0		0		0	0
Investment, Identifier [Axis]: Other, Control Investments
Schedule of Investments [Line Items]
Fair value		$ 0		$ 0
Investment, Identifier [Axis]: Other, Controlled Investments
Schedule of Investments [Line Items]
Fair value						0	0
Investment, Identifier [Axis]: PPL RVs, Inc., Common Stock 1
Schedule of Investments [Line Items]
Units (in shares)		2,000		2,000
Cost		$ 2,150		$ 2,150
Fair value		$ 15,870		$ 16,980		18,950	18,950
Investment, Identifier [Axis]: PPL RVs, Inc., Common Stock 2
Schedule of Investments [Line Items]
Units (in shares)		238,421	[40]	238,421	[41]
Cost		$ 238	[40]	$ 238	[41]
Fair value		$ 368	[40]	$ 368	[41]	$ 170	238
Investment, Identifier [Axis]: PPL RVs, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		14.23%
Spread (as a percent)		8.75%	[25],[26]	8.75%	[27],[28]	7.00%
Principal		$ 0	[25],[26]	$ 0	[27],[28]
Cost		(7)	[25],[26]	(7)	[27],[28]
Fair value		$ 0	[25],[26]	$ 0	[27],[28]	$ 0	0
Investment, Identifier [Axis]: PPL RVs, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.23%	[26]	14.23%	[27]	11.38%
Spread (as a percent)		8.75%	[26]	8.75%	[27]	7.00%
Principal		$ 19,633	[26]	$ 19,877	[27]
Cost		19,467	[26]	19,697	[27]
Fair value		$ 19,633	[26]	$ 19,877	[27]	$ 21,655	21,655
Investment, Identifier [Axis]: PTL US Bidco, Inc, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.77%	[5],[7],[13],[26],[47]	12.80%	[6],[9],[14],[27],[65]
Spread (as a percent)		7.25%	[5],[7],[13],[26],[47]	7.25%	[6],[9],[14],[27],[65]
Principal		$ 3,022	[5],[7],[13],[26],[47]	$ 3,022	[6],[9],[14],[27],[65]
Cost		2,894	[5],[7],[13],[26],[47]	2,885	[6],[9],[14],[27],[65]
Fair value		$ 3,022	[5],[7],[13],[26],[47]	$ 2,998	[6],[9],[14],[27],[65]
Investment, Identifier [Axis]: PTL US Bidco, Inc, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.84%	[5],[7],[13],[26]	12.88%	[6],[9],[14],[27]
Spread (as a percent)		7.25%	[5],[7],[13],[26]	7.25%	[6],[9],[14],[27]
Principal		$ 21,707	[5],[7],[13],[26]	$ 26,478	[6],[9],[14],[27]
Cost		21,406	[5],[7],[13],[26]	26,084	[6],[9],[14],[27]
Fair value		$ 21,707	[5],[7],[13],[26]	$ 26,263	[6],[9],[14],[27]
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)	[6],[27],[28]			5.75%
Principal	[6],[27],[28]			$ 0
Cost	[6],[27],[28]			(79)
Fair value	[6],[27],[28]			$ 0
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[6],[27],[66]			11.24%
Spread (as a percent)	[6],[27],[66]			5.75%
Principal	[6],[27],[66]			$ 3,204
Cost	[6],[27],[66]			3,135
Fair value	[6],[27],[66]			$ 3,186
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[6],[27]			11.25%
Spread (as a percent)	[6],[27]			5.75%
Principal	[6],[27]			$ 18,597
Cost	[6],[27]			18,265
Fair value	[6],[27]			$ 18,490
Investment, Identifier [Axis]: Pearl Meyer Topco LLC, Preferred Equity
Schedule of Investments [Line Items]
Units (in shares)		15,061	[30]	15,061	[31]
Cost		$ 13,000	[30]	$ 13,000	[31]
Fair value		$ 49,140	[30]	$ 44,090	[31]	$ 43,540	43,260
Investment, Identifier [Axis]: Pearl Meyer Topco LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%		12.00%
Principal		$ 5,000		$ 3,500
Cost		4,997		3,497
Fair value		$ 5,000		$ 3,500		$ 3,500	0
Investment, Identifier [Axis]: Pearl Meyer Topco LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%		12.00%
Principal		$ 24,000		$ 20,000
Cost		23,938		19,956
Fair value		$ 24,000		$ 20,000		$ 11,500	0
Investment, Identifier [Axis]: Pearl Meyer Topco LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%		12.00%
Principal		$ 27,681		$ 27,681
Cost		27,610		27,601
Fair value		$ 27,681		$ 27,681		$ 27,681	28,681
Investment, Identifier [Axis]: Pinnacle TopCo, LLC, Preferred Equity
Schedule of Investments [Line Items]
Units (in shares)		440	[30]	440
Cost		$ 12,540	[30]	$ 12,540
Fair value		$ 12,540	[30]	$ 12,540
Investment, Identifier [Axis]: Pinnacle TopCo, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		8.00%		8.00%
Principal		$ 220		$ 460
Cost		205		444
Fair value		$ 205		$ 444
Investment, Identifier [Axis]: Pinnacle TopCo, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%		13.00%
Principal		$ 30,640		$ 30,640
Cost		30,354		30,339
Fair value		$ 30,354		$ 30,339
Investment, Identifier [Axis]: Power System Solutions, Common Equity
Schedule of Investments [Line Items]
Units (in shares)		1,234	[5]	1,234	[6]
Cost		$ 1,234	[5]	$ 1,234	[6]
Fair value		$ 1,690	[5]	$ 1,160	[6]
Investment, Identifier [Axis]: Power System Solutions, Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		6.50%	[5],[25],[26]	6.75%	[6],[27],[28]
Principal		$ 0	[5],[25],[26]	$ 0	[6],[27],[28]
Cost		(77)	[5],[25],[26]	(82)	[6],[27],[28]
Fair value		$ (77)	[5],[25],[26]	$ (82)	[6],[27],[28]
Investment, Identifier [Axis]: Power System Solutions, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[5],[26]	11.82%
Spread (as a percent)		6.50%	[5],[26]	6.75%	[6],[27],[28]
Principal		$ 6,170	[5],[26]	$ 0	[6],[27],[28]
Cost		6,004	[5],[26]	(82)	[6],[27],[28]
Fair value		$ 6,170	[5],[26]	$ (82)	[6],[27],[28]
Investment, Identifier [Axis]: Power System Solutions, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.80%	[5],[26]	12.12%	[6],[27]
Spread (as a percent)		6.50%	[5],[26]	6.75%	[6],[27]
Principal		$ 18,372	[5],[26]	$ 18,418	[6],[27]
Cost		17,913	[5],[26]	17,930	[6],[27]
Fair value		$ 18,372	[5],[26]	$ 18,418	[6],[27]
Investment, Identifier [Axis]: PrimeFlight Aviation Services, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.28%	[5],[26]	12.28%	[6],[27]
Spread (as a percent)		6.85%	[5],[26]	6.85%	[6],[27]
Principal		$ 7,940	[5],[26]	$ 7,960	[6],[27]
Cost		7,740	[5],[26]	7,750	[6],[27]
Fair value		$ 7,940	[5],[26]	$ 7,960	[6],[27]
Investment, Identifier [Axis]: PrimeFlight Aviation Services, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.15%	[5],[26]	12.20%	[6],[27]
Spread (as a percent)		6.85%	[5],[26]	6.85%	[6],[27]
Principal		$ 758	[5],[26]	$ 760	[6],[27]
Cost		737	[5],[26]	738	[6],[27]
Fair value		$ 758	[5],[26]	$ 760	[6],[27]
Investment, Identifier [Axis]: PrimeFlight Aviation Services, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[5],[26]	11.55%
Spread (as a percent)	[5],[26]	6.25%
Principal	[5],[26]	$ 762
Cost	[5],[26]	748
Fair value	[5],[26]	$ 762
Investment, Identifier [Axis]: Principle Environmental, LLC, Common Stock
Schedule of Investments [Line Items]
Units (in shares)		1,037		1,037
Cost		$ 1,200		$ 1,200
Fair value		$ 510		$ 510		500	590
Investment, Identifier [Axis]: Principle Environmental, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		21,806	[30]	21,806	[31]
Cost		$ 5,709	[30]	$ 5,709	[31]
Fair value		$ 10,750	[30]	10,750	[31]	10,480	12,420
Investment, Identifier [Axis]: Principle Environmental, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.00%
Principal		$ 5,897
Cost		5,835
Fair value		$ 5,835
Investment, Identifier [Axis]: Principle Environmental, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.00%
Fair value		$ 5,835		5,829
Investment, Identifier [Axis]: Principle Environmental, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Principal	[28]			0
Cost	[28]			0
Fair value				$ 0	[28]	$ 0	0
Investment, Identifier [Axis]: Principle Environmental, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				13.00%		13.00%
Principal				$ 5,897
Cost				5,829
Fair value				$ 5,829		$ 5,812	5,806
Investment, Identifier [Axis]: Purge Rite, LLC, Preferred Equity
Schedule of Investments [Line Items]
Units (in shares)		3,281,250	[5]	3,281,250	[6]
Cost		$ 3,281	[5]	$ 3,281	[6]
Fair value		$ 3,281	[5]	$ 3,281	[6]
Investment, Identifier [Axis]: Purge Rite, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		8.00%	[5],[25],[26]	8.00%	[6],[27],[28]
Principal		$ 0	[5],[25],[26]	$ 0	[6],[27],[28]
Cost		(44)	[5],[25],[26]	(47)	[6],[27],[28]
Fair value		$ (44)	[5],[25],[26]	$ (47)	[6],[27],[28]
Investment, Identifier [Axis]: Purge Rite, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.64%	[5],[26]	13.70%	[6],[27]
Spread (as a percent)		8.00%	[5],[26]	8.00%	[6],[27]
Principal		$ 9,844	[5],[26]	$ 9,844	[6],[27]
Cost		9,622	[5],[26]	9,610	[6],[27]
Fair value		$ 9,745	[5],[26]	$ 9,610	[6],[27]
Investment, Identifier [Axis]: Quality Lease Service, LLC, Member Units
Schedule of Investments [Line Items]
Units (in shares)		1,000		1,000
Cost		$ 7,546		$ 7,546
Fair value		460		460		525	525
Investment, Identifier [Axis]: Quality Lease Service, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Fair value		$ 0		$ 0
Investment, Identifier [Axis]: RA Outdoors LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.33%	[5],[26],[47]	12.22%	[6],[27],[58]
Spread (as a percent)		6.75%	[5],[26],[47]	6.75%	[6],[27],[58]
Principal		$ 1,278	[5],[26],[47]	$ 824	[6],[27],[58]
Cost		1,271	[5],[26],[47]	816	[6],[27],[58]
Fair value		$ 1,209	[5],[26],[47]	$ 772	[6],[27],[58]
Investment, Identifier [Axis]: RA Outdoors LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.18%	[5],[26]	12.21%	[6],[27]
Spread (as a percent)		6.75%	[5],[26]	6.75%	[6],[27]
Principal		$ 13,369	[5],[26]	$ 13,369	[6],[27]
Cost		13,290	[5],[26]	13,280	[6],[27]
Fair value		$ 12,645	[5],[26]	$ 12,512	[6],[27]
Investment, Identifier [Axis]: RTIC Subsidiary Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.17%	[5],[26]	13.21%	[6],[27]
Spread (as a percent)		7.75%	[5],[26]	7.75%	[6],[27]
Principal		$ 2,671	[5],[26]	$ 548	[6],[27]
Cost		2,661	[5],[26]	536	[6],[27]
Fair value		$ 2,639	[5],[26]	$ 534	[6],[27]
Investment, Identifier [Axis]: RTIC Subsidiary Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.18%	[5],[26]	13.19%	[6],[27]
Spread (as a percent)		7.75%	[5],[26]	7.75%	[6],[27]
Principal		$ 13,664	[5],[26]	$ 14,323	[6],[27]
Cost		13,613	[5],[26]	14,260	[6],[27]
Fair value		$ 13,500	[5],[26]	$ 13,951	[6],[27]
Investment, Identifier [Axis]: RTIC Subsidiary Holdings, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		13.18%	[5],[26]	13.19%	[6],[27]
Spread (as a percent)		7.75%	[5],[26]	7.75%	[6],[27]
Principal		$ 548	[5],[26]	$ 574	[6],[27]
Cost		546	[5],[26]	572	[6],[27]
Fair value		$ 541	[5],[26]	$ 559	[6],[27]
Investment, Identifier [Axis]: Research Now Group, Inc. and Survey Sampling International, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.07%	[11],[26]	11.14%	[12],[27]
Spread (as a percent)		5.50%	[11],[26]	5.50%	[12],[27]
Principal		$ 20,814	[11],[26]	$ 19,704	[12],[27]
Cost		20,277	[11],[26]	19,595	[12],[27]
Fair value		$ 12,560	[11],[26]	$ 14,715	[12],[27]
Investment, Identifier [Axis]: Richardson Sales Solutions, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.82%	[5],[26]	18.47%	[6],[27],[67]
Spread (as a percent)		6.50%	[5],[26]	6.50%	[6],[27],[67]
Principal		$ 1,727	[5],[26]	$ 3,167	[6],[27],[67]
Cost		1,652	[5],[26]	3,087	[6],[27],[67]
Fair value		$ 1,714	[5],[26]	$ 3,109	[6],[27],[67]
Investment, Identifier [Axis]: Richardson Sales Solutions, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.82%	[5],[26]	11.88%	[6],[27]
Spread (as a percent)		6.50%	[5],[26]	6.50%	[6],[27]
Principal		$ 39,850	[5],[26]	$ 40,102	[6],[27]
Cost		38,672	[5],[26]	38,858	[6],[27]
Fair value		$ 39,552	[5],[26]	$ 39,376	[6],[27]
Investment, Identifier [Axis]: River Aggregates, LLC, Member Units
Schedule of Investments [Line Items]
Units (in shares)		1,500	[40]	1,500	[41]
Cost		$ 369	[40]	$ 369	[41]
Fair value		$ 3,710	[40]	$ 3,710	[41]	3,620	3,620
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Preferred Equity
Schedule of Investments [Line Items]
Units (in shares)		11,070		11,070
Cost		$ 11,070		$ 11,070
Fair value		$ 0		0		9,930	14,880
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.50%
Principal		$ 0	[25]	0	[28]
Cost		(24)	[25]	(26)	[28]
Fair value		$ (24)	[25]	$ (26)	[28]	$ (33)	(35)
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%		12.50%		12.50%
Principal		$ 33,660		$ 34,110
Cost		33,479		33,909
Fair value		$ 24,369		$ 30,798		$ 35,198	35,404
Investment, Identifier [Axis]: Rocaceia, LLC (Quality Lease and Rental Holdings, LLC), Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		250		250
Cost		$ 2,500		$ 2,500
Fair value		$ 0		$ 0		0	0
Investment, Identifier [Axis]: Rocaceia, LLC (Quality Lease and Rental Holdings, LLC), Secured Debt
Schedule of Investments [Line Items]
Fair value						0	0
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		6.50%	[5],[25],[26]	6.50%	[6],[27],[28]
Principal		$ 0	[5],[25],[26]	$ 0	[6],[27],[28]
Cost		(7)	[5],[25],[26]	(8)	[6],[27],[28]
Fair value		$ 0	[5],[25],[26]	$ 0	[6],[27],[28]
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.09%	[5],[26]	12.16%	[6],[27]
Spread (as a percent)		6.50%	[5],[26]	6.50%	[6],[27]
Principal		$ 3,376	[5],[26]	$ 3,376	[6],[27]
Cost		3,333	[5],[26]	3,328	[6],[27]
Fair value		$ 3,318	[5],[26]	$ 3,314	[6],[27]
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		14.09%	[5],[26]	14.16%	[6],[27]
Spread (as a percent)		8.50%	[5],[26]	8.50%	[6],[27]
Principal		$ 3,376	[5],[26]	$ 3,376	[6],[27]
Cost		3,333	[5],[26]	3,328	[6],[27]
Fair value		$ 3,270	[5],[26]	$ 3,266	[6],[27]
Investment, Identifier [Axis]: Rug Doctor, LLC., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.24%	[5],[26]	13.54%	[6],[27]
Spread (as a percent)		5.75%	[5],[26]	6.00%	[6],[27]
PIK Rate		2.00%	[5],[26]	2.00%	[6],[27]
Principal		$ 5,799	[5],[26]	$ 5,769	[6],[27]
Cost		5,782	[5],[26]	5,749	[6],[27]
Fair value		$ 5,799	[5],[26]	$ 5,744	[6],[27]
Investment, Identifier [Axis]: Rug Doctor, LLC., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.24%	[5],[26]	13.54%	[6],[27]
Spread (as a percent)		5.75%	[5],[26]	6.00%	[6],[27]
PIK Rate		2.00%	[5],[26]	2.00%	[6],[27]
Principal		$ 7,954	[5],[26]	$ 8,121	[6],[27]
Cost		7,901	[5],[26]	8,059	[6],[27]
Fair value		$ 7,954	[5],[26]	$ 8,086	[6],[27]
Investment, Identifier [Axis]: SI East, LLC (Stavig), Preferred Member Units
Schedule of Investments [Line Items]
Fair value						13,650	13,650
Investment, Identifier [Axis]: SI East, LLC (Stavig), Secured Debt 1
Schedule of Investments [Line Items]
Fair value						$ 0	0
Investment, Identifier [Axis]: SI East, LLC (Stavig), Secured Debt 2
Schedule of Investments [Line Items]
Total Rate						9.50%
Fair value						$ 84,536	89,786
Investment, Identifier [Axis]: SI East, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		165	[30]	165	[31]
Cost		$ 1,525	[30]	$ 1,525	[31]
Fair value		$ 19,170	[30]	$ 19,170	[31]
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.25%		11.25%
Principal		$ 1,125		$ 1,125
Cost		1,108		1,108
Fair value		$ 1,125		$ 1,125
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.45%	[68]	12.47%	[69]
Principal		$ 54,536	[68]	$ 54,536	[69]
Cost		54,309	[68]	54,295	[69]
Fair value		$ 54,536	[68]	$ 54,536	[69]
Investment, Identifier [Axis]: SPAU Holdings, LLC, Common Stock
Schedule of Investments [Line Items]
Units (in shares)		638,710	[5]	638,710	[6]
Cost		$ 639	[5]	$ 639	[6]
Fair value		$ 610	[5]	$ 500	[6]
Investment, Identifier [Axis]: SPAU Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[5],[26]	12.96%
Spread (as a percent)		7.50%	[5],[26]	8.00%	[6],[27],[28]
Principal		$ 958	[5],[26]	$ 0	[6],[27],[28]
Cost		917	[5],[26]	(45)	[6],[27],[28]
Fair value		$ 958	[5],[26]	$ 0	[6],[27],[28]
Investment, Identifier [Axis]: SPAU Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.96%	[5],[26]	13.72%	[6],[27]
Spread (as a percent)		7.50%	[5],[26]	8.00%	[6],[27]
Principal		$ 15,688	[5],[26]	$ 15,728	[6],[27]
Cost		15,482	[5],[26]	15,506	[6],[27]
Fair value		$ 15,688	[5],[26]	$ 15,728	[6],[27]
Investment, Identifier [Axis]: Short-term portfolio investments, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[70]	8.68%
Principal	[70]	$ 103,103
Cost	[70]	103,308
Fair value	[70]	$ 103,383
Investment, Identifier [Axis]: Slick Innovations, LLC, Common Stock
Schedule of Investments [Line Items]
Units (in shares)		70,000		70,000
Cost		$ 0		$ 456
Fair value		$ 1,780		$ 2,310		$ 1,790	1,530
Investment, Identifier [Axis]: Slick Innovations, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		14.00%		14.00%		14.00%
Principal		$ 18,880		$ 11,440
Cost		18,679		11,345
Fair value		$ 18,880		$ 11,440		$ 13,600	13,840
Investment, Identifier [Axis]: Sonic Systems International, LLC, Common Stock
Schedule of Investments [Line Items]
Fair value						$ 1,230	1,280
Investment, Identifier [Axis]: Sonic Systems International, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate						12.26%
Spread (as a percent)						7.50%
Fair value						$ 15,769	15,769
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Common Equity
Schedule of Investments [Line Items]
Units (in shares)		864	[5]	863,636	[6]
Cost		$ 864	[5]	$ 864	[6]
Fair value		$ 835	[5]	$ 836	[6]
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[6],[27]			11.46%
Spread (as a percent)		6.00%	[5],[25],[26]	6.00%	[6],[27]
Principal		$ 0	[5],[25],[26]	$ 446	[6],[27]
Cost		(48)	[5],[25],[26]	394	[6],[27]
Fair value		$ (48)	[5],[25],[26]	$ 394	[6],[27]
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.43%	[5],[26]	11.70%	[6],[27]
Spread (as a percent)		6.00%	[5],[26]	6.00%	[6],[27]
Principal		$ 33,249	[5],[26]	$ 34,886	[6],[27]
Cost		32,888	[5],[26]	34,472	[6],[27]
Fair value		$ 33,249	[5],[26]	$ 34,886	[6],[27]
Investment, Identifier [Axis]: Stellant Systems, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.04%	[11],[26]	11.04%	[12],[27]
Spread (as a percent)		5.50%	[11],[26]	5.50%	[12],[27]
Principal		$ 7,975	[11],[26]	$ 7,527	[12],[27]
Cost		7,929	[11],[26]	7,475	[12],[27]
Fair value		$ 8,005	[11],[26]	$ 7,527	[12],[27]
Investment, Identifier [Axis]: Stellant Systems, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.19%	[11],[26]	11.28%	[12],[27]
Spread (as a percent)		5.75%	[11],[26]	5.75%	[12],[27]
Principal		$ 9,154	[11],[26]	$ 8,978	[12],[27]
Cost		8,908	[11],[26]	8,717	[12],[27]
Fair value		$ 9,188	[11],[26]	$ 8,977	[12],[27]
Investment, Identifier [Axis]: Student Resource Center, LLC, Preferred Equity
Schedule of Investments [Line Items]
Units (in shares)		5,907,649	[5]	5,907,649	[6]
Cost		$ 0	[5]	$ 0	[6]
Fair value		$ 0	[5]	$ 0	[6]	$ 0	0
Investment, Identifier [Axis]: Student Resource Center, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		8.50%	[5],[32]	8.50%	[6],[33]	13.69%
Spread (as a percent)						8.50%
PIK Rate		8.50%	[5],[32]	8.50%	[6],[33]
Principal		$ 5,327	[5],[32]	$ 5,327	[6],[33]
Cost		4,884	[5],[32]	4,884	[6],[33]
Fair value		$ 1,733	[5],[32]	$ 3,190	[6],[33]	$ 4,556	4,556
Investment, Identifier [Axis]: Superior Rigging & Erecting Co., Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		1,636		1,636
Cost		$ 4,500		$ 4,500
Fair value		$ 5,941		$ 5,940		$ 4,970	4,500
Investment, Identifier [Axis]: Superior Rigging & Erecting Co., Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%		12.00%
Principal		$ 20,500		$ 20,500
Cost		20,438		20,427
Fair value		$ 20,438		$ 20,427		$ 20,395	21,378
Investment, Identifier [Axis]: Team Public Choices, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.58%	[11],[26]	10.88%	[12],[27]
Spread (as a percent)		5.00%	[11],[26]	5.00%	[12],[27]
Principal		$ 14,766	[11],[26]	$ 14,804	[12],[27]
Cost		14,564	[11],[26]	14,588	[12],[27]
Fair value		$ 14,785	[11],[26]	$ 14,717	[12],[27]
Investment, Identifier [Axis]: Tectonic Financial, LLC, Common Stock
Schedule of Investments [Line Items]
Units (in shares)		200,000	[30]	200,000	[31]
Cost		$ 2,000	[30]	$ 2,000	[31]
Fair value		$ 5,030	[30]	$ 5,030	[31]
Investment, Identifier [Axis]: Tedder Industries, LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Units (in shares)		6,954		6,605
Cost		$ 661		$ 661
Fair value		$ 0		$ 0		6,871	7,681
Investment, Identifier [Axis]: Tedder Industries, LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Units (in shares)		5,294		5,643
Cost		$ 564		$ 564
Fair value		$ 0		$ 0		$ 333	0
Investment, Identifier [Axis]: Tedder Industries, LLC, Preferred Member Units 3
Schedule of Investments [Line Items]
Units (in shares)		544		544
Cost		$ 9,245		$ 9,245
Fair value		$ 0		$ 0
Investment, Identifier [Axis]: Tedder Industries, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%	[38]	12.00%	[39]	12.00%
Principal		$ 1,840	[38]	$ 1,840	[39]
Cost		1,840	[38]	1,840	[39]
Fair value		$ 1,726	[38]	$ 1,726	[39]	$ 1,840	1,840
Investment, Identifier [Axis]: Tedder Industries, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%	[38]	12.00%	[39]	12.00%
Principal		$ 15,200	[38]	$ 15,200	[39]
Cost		15,200	[38]	15,200	[39]
Fair value		$ 7,939	[38]	$ 14,262	[39]	$ 15,123	15,120
Investment, Identifier [Axis]: Televerde, LLC, Member Units
Schedule of Investments [Line Items]
Units (in shares)		460	[30]	460	[31]
Cost		$ 1,290	[30]	$ 1,290	[31]
Fair value		$ 3,319	[30]	$ 4,734	[31]	6,599	5,408
Investment, Identifier [Axis]: Televerde, LLC, Preferred Stock
Schedule of Investments [Line Items]
Units (in shares)		248		248
Cost		$ 718		$ 718
Fair value		$ 1,794		$ 1,794		1,794	1,794
Investment, Identifier [Axis]: Tex Tech Tennis, LLC, Preferred Equity
Schedule of Investments [Line Items]
Units (in shares)		1,000,000	[5],[40]	1,000,000	[6],[41]
Cost		$ 1,000	[5],[40]	$ 1,000	[6],[41]
Fair value		$ 2,680	[5],[40]	$ 2,840	[6],[41]
Investment, Identifier [Axis]: The Affiliati Network, LLC, Preferred Stock
Schedule of Investments [Line Items]
Fair value						6,400	6,400
Investment, Identifier [Axis]: The Affiliati Network, LLC, Preferred Stock 1
Schedule of Investments [Line Items]
Units (in shares)		236,110		172,110
Cost		$ 236		$ 172
Fair value		236		172
Investment, Identifier [Axis]: The Affiliati Network, LLC, Preferred Stock 1.1
Schedule of Investments [Line Items]
Fair value		$ 6,400		$ 6,400
Investment, Identifier [Axis]: The Affiliati Network, LLC, Preferred Stock 2
Schedule of Investments [Line Items]
Units (in shares)		1,280,000	[30]	1,280,000	[31]
Cost		$ 6,400	[30]	$ 6,400	[31]
Fair value		6,400	[30]	6,400	[31]
Investment, Identifier [Axis]: The Affiliati Network, LLC, Preferred Stock 2.1
Schedule of Investments [Line Items]
Fair value		$ 236		$ 172
Investment, Identifier [Axis]: The Affiliati Network, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.00%		13.00%
Principal		$ 0	[25]	$ 160
Cost		(9)	[25]	150
Fair value		$ (9)	[25]	$ 150		$ (13)	106
Investment, Identifier [Axis]: The Affiliati Network, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%		13.00%		12.00%
Principal		$ 7,121		$ 7,521
Cost		7,081		7,475
Fair value		$ 6,953		$ 7,347		$ 9,249	9,442
Investment, Identifier [Axis]: Titan Meter Midco Corp., Preferred Equity
Schedule of Investments [Line Items]
Units (in shares)	[5]	1,218,750
Cost	[5]	$ 1,219
Fair value	[5]	$ 1,219
Investment, Identifier [Axis]: Titan Meter Midco Corp., Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)	[5],[25],[26]	6.50%
Principal	[5],[25],[26]	$ 0
Cost	[5],[25],[26]	(124)
Fair value	[5],[25],[26]	$ (124)
Investment, Identifier [Axis]: Titan Meter Midco Corp., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[5],[26]	11.82%
Spread (as a percent)	[5],[26]	6.50%
Principal	[5],[26]	$ 34,183
Cost	[5],[26]	33,007
Fair value	[5],[26]	$ 33,007
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC, Common Stock
Schedule of Investments [Line Items]
Units (in shares)		615	[30]	615	[31]
Cost		$ 4,655	[30]	$ 4,655	[31]
Fair value		$ 11,610	[30]	12,740	[31]	9,306	7,800
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.50%
Principal		$ 0	[25]	0	[28]
Cost		(1)	[25]	(1)	[28]
Fair value		$ 0	[25]	$ 0	[28]	$ 0	0
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.50%		12.00%		12.00%
Principal		$ 7,920		$ 7,920
Cost		7,835		7,911
Fair value		$ 7,920		$ 7,920		$ 7,920	7,920
Investment, Identifier [Axis]: U.S. TelePacific Corp., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.49%	[11],[26],[32]	12.53%	[12],[27],[33]
Spread (as a percent)		7.15%	[11],[26],[32]	7.15%	[12],[27],[33]
PIK Rate		6.00%	[11],[26],[32]	6.00%	[12],[27],[33]
Principal		$ 9,900	[11],[26],[32]	$ 9,298	[12],[27],[33]
Cost		3,657	[11],[26],[32]	3,585	[12],[27],[33]
Fair value		3,790	[11],[26],[32]	3,333	[12],[27],[33]
Investment, Identifier [Axis]: U.S. TelePacific Corp., Secured Debt 2
Schedule of Investments [Line Items]
Principal		1,003	[11],[32]	946	[12],[33]
Cost		20	[11],[32]	20	[12],[33]
Fair value		$ 0	[11],[32]	$ 0	[12],[33]
Investment, Identifier [Axis]: USA DeBusk LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.43%	[5],[26]	11.46%	[6],[27]
Spread (as a percent)		6.00%	[5],[26]	6.00%	[6],[27]
Principal		$ 23,065	[5],[26]	$ 23,101	[6],[27]
Cost		22,807	[5],[26]	22,817	[6],[27]
Fair value		$ 23,065	[5],[26]	$ 23,101	[6],[27]
Investment, Identifier [Axis]: USA DeBusk LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.93%	[5],[26]	11.96%	[6],[27]
Spread (as a percent)		6.50%	[5],[26]	6.50%	[6],[27]
Principal		$ 8,972	[5],[26]	$ 9,017	[6],[27]
Cost		8,832	[5],[26]	8,862	[6],[27]
Fair value		$ 8,972	[5],[26]	$ 9,017	[6],[27]
Investment, Identifier [Axis]: USA DeBusk LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.93%	[5],[26]	11.96%	[6],[27]
Spread (as a percent)		6.50%	[5],[26]	6.50%	[6],[27]
Principal		$ 4,677	[5],[26]	$ 4,689	[6],[27]
Cost		4,598	[5],[26]	4,601	[6],[27]
Fair value		$ 4,677	[5],[26]	$ 4,689	[6],[27]
Investment, Identifier [Axis]: UniTek Global Services, Inc., Common Stock
Schedule of Investments [Line Items]
Units (in shares)		945,507	[11]	945,507	[12]
Cost		$ 0	[11]	$ 0	[12]
Fair value		$ 0	[11]	$ 0	[12]	$ 0	0
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred Stock 1
Schedule of Investments [Line Items]
Units (in shares)		1,133,102	[11],[30]	1,133,102	[12],[31]
Total Rate		20.00%	[11],[30]	20.00%	[12],[31]	20.00%
PIK Rate		20.00%	[11],[30]	20.00%	[12],[31]	20.00%
Cost		$ 2,741	[11],[30]	$ 2,609	[12],[31]
Fair value		$ 2,965	[11],[30]	$ 2,833	[12],[31]	$ 2,833	2,833
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred Stock 2
Schedule of Investments [Line Items]
Units (in shares)		1,521,122	[11]	1,521,122	[12]
Total Rate		20.00%	[11]	20.00%	[12]	20.00%
PIK Rate		20.00%	[11]	20.00%	[12]	20.00%
Cost		$ 2,188	[11]	$ 2,188	[12]
Fair value		$ 3,698	[11]	$ 3,698	[12]	$ 2,376	1,991
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred Stock 3
Schedule of Investments [Line Items]
Units (in shares)		2,281,682	[11]	2,281,682	[12]
Total Rate		19.00%	[11]	19.00%	[12]	19.00%
PIK Rate		19.00%	[11]	19.00%	[12]	19.00%
Cost		$ 3,667	[11]	$ 3,667	[12]
Fair value		$ 0	[11]	$ 0	[12]	$ 0	0
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred Stock 4
Schedule of Investments [Line Items]
Units (in shares)		4,336,866	[11]	4,336,866	[12]
Total Rate		13.50%	[11]	13.50%	[12]	13.50%
PIK Rate		13.50%	[11]	13.50%	[12]	13.50%
Cost		$ 7,924	[11]	$ 7,924	[12]
Fair value		$ 0	[11]	$ 0	[12]	$ 0	0
Investment, Identifier [Axis]: UniTek Global Services, Inc., Secured Convertible Debt
Schedule of Investments [Line Items]
Total Rate						15.00%
PIK Rate						15.00%
Fair value						$ 4,945	4,592
Investment, Identifier [Axis]: UniTek Global Services, Inc., Secured Convertible Debt 1
Schedule of Investments [Line Items]
Total Rate		15.00%	[11]	15.00%	[12]
PIK Rate		15.00%	[11]	15.00%	[12]
Principal		$ 1,778	[11]	$ 1,714	[12]
Cost		1,778	[11]	1,714	[12]
Fair value		$ 3,954	[11]	$ 3,889	[12]
Investment, Identifier [Axis]: UniTek Global Services, Inc., Secured Convertible Debt 2
Schedule of Investments [Line Items]
Total Rate		15.00%	[11]	15.00%	[12]
PIK Rate		15.00%	[11]	15.00%	[12]
Principal		$ 873	[11]	$ 840	[12]
Cost		873	[11]	840	[12]
Fair value		$ 1,940	[11]	$ 1,908	[12]
Investment, Identifier [Axis]: UniTek Global Services, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate						14.22%
Spread (as a percent)						7.50%
PIK Rate						2.00%
Fair value						$ 407	382
Investment, Identifier [Axis]: UniTek Global Services, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate						14.22%
Spread (as a percent)						7.50%
PIK Rate						2.00%
Fair value						$ 1,821	1,712
Investment, Identifier [Axis]: UnionRock Energy Fund II, LP, LP Interests
Schedule of Investments [Line Items]
Units (as a percent)		11.11%	[7],[8],[44]	11.11%	[9],[10],[45]
Cost		$ 3,719	[7],[8],[44]	$ 3,719	[9],[10],[45]
Fair value		$ 5,694	[7],[8],[44]	$ 5,694	[9],[10],[45]	6,188	5,855
Investment, Identifier [Axis]: UnionRock Energy Fund III, LP, LP Interests
Schedule of Investments [Line Items]
Units (as a percent)		0.00%	[7],[8],[44]	25.00%	[9],[10],[45]
Cost		$ 2,493	[7],[8],[44]	$ 2,493	[9],[10],[45]
Fair value		$ 2,838	[7],[8],[44]	$ 2,838	[9],[10],[45]
Investment, Identifier [Axis]: Universal Wellhead Services Holdings, LLC, Member Units
Schedule of Investments [Line Items]
Units (in shares)		4,000,000	[5],[40]	4,000,000	[6],[41]
Cost		$ 4,000	[5],[40]	$ 4,000	[6],[41]
Fair value		$ 0	[5],[40]	$ 0	[6],[41]	$ 0	0
Investment, Identifier [Axis]: Universal Wellhead Services Holdings, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		716,949	[5],[40]	716,949	[6],[41]
Total Rate		14.00%	[5],[40]	14.00%	[6],[41]	14.00%
PIK Rate		14.00%	[5],[40]	14.00%	[6],[41]	14.00%
Cost		$ 1,032	[5],[40]	$ 1,032	[6],[41]
Fair value		$ 100	[5],[40]	150	[6],[41]	$ 218	220
Investment, Identifier [Axis]: Urgent DSO LLC, Preferred Equity
Schedule of Investments [Line Items]
Units (in shares)	[30]	4,000
Total Rate	[30]	9.00%
PIK Rate	[30]	9.00%
Cost	[30]	$ 4,045
Fair value		$ 4,045	[30]	0
Investment, Identifier [Axis]: Urgent DSO LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.50%
Principal		$ 8,800
Cost		8,713
Fair value		$ 8,713		$ 0
Investment, Identifier [Axis]: UserZoom Technologies, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.99%	[5],[26]	12.99%	[6],[27]
Spread (as a percent)		7.50%	[5],[26]	7.50%	[6],[27]
Principal		$ 4,000	[5],[26]	$ 4,000	[6],[27]
Cost		3,904	[5],[26]	3,899	[6],[27]
Fair value		$ 4,000	[5],[26]	$ 4,000	[6],[27]
Investment, Identifier [Axis]: VORTEQ Coil Finishers, LLC, Common Equity
Schedule of Investments [Line Items]
Units (in shares)		1,038,462	[5],[30]	1,038,462	[6],[31]
Cost		$ 1,038	[5],[30]	$ 1,038	[6],[31]
Fair value		$ 2,570	[5],[30]	$ 2,570	[6],[31]
Investment, Identifier [Axis]: VVS Holdco LLC, Preferred Equity
Schedule of Investments [Line Items]
Units (in shares)		12,240	[30],[40]	12,240	[31],[41]
Cost		$ 12,240	[30],[40]	$ 12,240	[31],[41]
Fair value		$ 12,240	[30],[40]	$ 12,240	[31],[41]	$ 12,040	11,940
Investment, Identifier [Axis]: VVS Holdco LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.48%
Spread (as a percent)		6.00%	[25],[26]	6.00%	[27],[28],[39]	6.00%
Principal		$ 0	[25],[26]	$ 0	[27],[28],[39]
Cost		0	[25],[26]	0	[27],[28],[39]
Fair value		$ 0	[25],[26]	$ 0	[27],[28],[39]	$ (15)	(21)
Investment, Identifier [Axis]: VVS Holdco LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.50%		11.50%		11.50%
Principal		$ 28,200		$ 28,200
Cost		28,049		28,035
Fair value		$ 28,049		$ 28,035		$ 30,176	30,161
Investment, Identifier [Axis]: Veregy Consolidated, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		5.25%	[11],[25],[26]	5.25%	[12],[27],[28]
Principal		$ 0	[11],[25],[26]	$ 0	[12],[27],[28]
Cost		(352)	[11],[25],[26]	(408)	[12],[27],[28]
Fair value		$ (352)	[11],[25],[26]	$ (408)	[12],[27],[28]
Investment, Identifier [Axis]: Veregy Consolidated, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.57%	[11],[26]	11.64%	[12],[27]
Spread (as a percent)		6.00%	[11],[26]	6.00%	[12],[27]
Principal		$ 17,780	[11],[26]	$ 17,433	[12],[27]
Cost		17,546	[11],[26]	17,195	[12],[27]
Fair value		$ 17,423	[11],[26]	$ 15,775	[12],[27]
Investment, Identifier [Axis]: Vision Interests, Inc., Series A Preferred Stock
Schedule of Investments [Line Items]
Units (in shares)		3,000,000		3,000,000	[31]
Cost		$ 3,000		$ 3,000	[31]
Fair value		$ 3,000		$ 3,000	[31]	3,000	3,000
Investment, Identifier [Axis]: Vistar Media, Inc., Preferred Stock
Schedule of Investments [Line Items]
Units (in shares)		70,207	[5]	70,207	[6]
Cost		$ 767	[5]	$ 767	[6]
Fair value		$ 2,270	[5]	$ 2,180	[6]
Investment, Identifier [Axis]: Vitesse Systems, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.44%	[5],[26]	12.63%	[6],[27]
Spread (as a percent)		7.00%	[5],[26]	7.00%	[6],[27]
Principal		$ 42,394	[5],[26]	$ 42,500	[6],[27]
Cost		41,403	[5],[26]	41,455	[6],[27]
Fair value		$ 41,572	[5],[26]	$ 41,455	[6],[27]
Investment, Identifier [Axis]: Volusion, LLC, Common Stock
Schedule of Investments [Line Items]
Units (in shares)		1,802,780		1,802,780
Cost		$ 2,576		$ 2,576
Fair value		$ 0		$ 0		0	0
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Units (in shares)		5,097,595		5,097,595
Cost		$ 7,631		$ 8,646
Fair value		7,250		7,250		0	0
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 1.1
Schedule of Investments [Line Items]
Fair value		$ 0		$ 0
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Units (in shares)		142,512		142,512
Cost		$ 0		$ 0
Fair value		0		0		11,446	0
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 2.1
Schedule of Investments [Line Items]
Fair value		$ 7,250		$ 7,250
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 3
Schedule of Investments [Line Items]
Units (in shares)		4,876,670		4,876,670
Cost		$ 14,000		$ 14,000
Fair value		$ 0		$ 0		$ 0	0
Investment, Identifier [Axis]: Volusion, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%
Principal		$ 2,100		$ 2,100
Cost		2,100		2,100
Fair value		$ 2,100		$ 2,100
Investment, Identifier [Axis]: Volusion, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate						10.00%
Fair value						$ 2,100	0
Investment, Identifier [Axis]: Volusion, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Fair value						0	14,914
Investment, Identifier [Axis]: Volusion, LLC, Unsecured Convertible Debt
Schedule of Investments [Line Items]
Fair value						0	0
Investment, Identifier [Axis]: Volusion, LLC, Warrants
Schedule of Investments [Line Items]
Fair value						0	0
Investment, Identifier [Axis]: Wall Street Prep, Inc., Common Stock
Schedule of Investments [Line Items]
Units (in shares)		400,000	[5]	400,000	[6]
Cost		$ 400	[5]	$ 400	[6]
Fair value		$ 830	[5]	$ 731	[6]
Investment, Identifier [Axis]: Wall Street Prep, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread (as a percent)		7.00%	[5],[25],[26]	7.00%	[6],[27],[28]
Principal		$ 0	[5],[25],[26]	$ 0	[6],[27],[28]
Cost		(4)	[5],[25],[26]	(4)	[6],[27],[28]
Fair value		$ (4)	[5],[25],[26]	$ (4)	[6],[27],[28]
Investment, Identifier [Axis]: Wall Street Prep, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.48%	[5],[26]	12.54%	[6],[27]
Spread (as a percent)		7.00%	[5],[26]	7.00%	[6],[27]
Principal		$ 3,668	[5],[26]	$ 3,723	[6],[27]
Cost		3,634	[5],[26]	3,685	[6],[27]
Fair value		$ 3,668	[5],[26]	$ 3,723	[6],[27]
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.46%	[5],[26],[47]	11.50%	[6],[27],[61]
Spread (as a percent)		6.00%	[5],[26],[47]	6.00%	[6],[27],[61]
Principal		$ 2,223	[5],[26],[47]	$ 1,853	[6],[27],[61]
Cost		2,198	[5],[26],[47]	1,825	[6],[27],[61]
Fair value		$ 2,223	[5],[26],[47]	$ 1,853	[6],[27],[61]
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.46%	[5],[26]	11.50%	[6],[27]
Spread (as a percent)		6.00%	[5],[26]	6.00%	[6],[27]
Principal		$ 385	[5],[26]	$ 386	[6],[27]
Cost		364	[5],[26]	364	[6],[27]
Fair value		$ 385	[5],[26]	$ 386	[6],[27]
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.46%	[5],[26]	11.50%	[6],[27]
Spread (as a percent)		6.00%	[5],[26]	6.00%	[6],[27]
Principal		$ 15,846	[5],[26]	$ 15,886	[6],[27]
Cost		15,708	[5],[26]	15,736	[6],[27]
Fair value		$ 15,846	[5],[26]	$ 15,886	[6],[27]
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		11.46%	[5],[26]	11.50%	[6],[27]
Spread (as a percent)		6.00%	[5],[26]	6.00%	[6],[27]
Principal		$ 12,674	[5],[26]	$ 12,707	[6],[27]
Cost		12,563	[5],[26]	12,585	[6],[27]
Fair value		$ 12,674	[5],[26]	$ 12,707	[6],[27]
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Common Stock
Schedule of Investments [Line Items]
Units (in shares)		1,541,400	[5],[30]	1,541,400	[6]
Cost		$ 1,541	[5],[30]	$ 1,541	[6]
Fair value		$ 3,600	[5],[30]	$ 2,990	[6]
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.31%	[5],[26],[29]	11.34%	[6],[27],[71]
Spread (as a percent)		6.00%	[5],[26],[29]	6.00%	[6],[27],[71]
Principal		$ 2,399	[5],[26],[29]	$ 2,405	[6],[27],[71]
Cost		2,362	[5],[26],[29]	2,365	[6],[27],[71]
Fair value		$ 2,399	[5],[26],[29]	$ 2,405	[6],[27],[71]
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.31%	[5],[26]	11.35%	[6],[27]
Spread (as a percent)		6.00%	[5],[26]	6.00%	[6],[27]
Principal		$ 10,631	[5],[26]	$ 10,658	[6],[27]
Cost		10,494	[5],[26]	10,512	[6],[27]
Fair value		$ 10,631	[5],[26]	$ 10,658	[6],[27]
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.31%	[5],[26]	11.35%	[6],[27]
Spread (as a percent)		6.00%	[5],[26]	6.00%	[6],[27]
Principal		$ 5,290	[5],[26]	$ 5,303	[6],[27]
Cost		5,192	[5],[26]	5,199	[6],[27]
Fair value		$ 5,290	[5],[26]	$ 5,303	[6],[27]
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.58%	[5],[26],[47]	12.64%	[6],[27],[72]
Spread (as a percent)		8.00%	[5],[26],[47]	7.00%	[6],[27],[72]
Principal		$ 1,778	[5],[26],[47]	$ 2,222	[6],[27],[72]
Cost		1,724	[5],[26],[47]	2,198	[6],[27],[72]
Fair value		$ 1,745	[5],[26],[47]	$ 2,222	[6],[27],[72]
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.59%	[5],[26]	12.66%	[6],[27]
Spread (as a percent)		8.00%	[5],[26]	7.00%	[6],[27]
Principal		$ 2,067	[5],[26]	$ 2,067	[6],[27]
Cost		2,038	[5],[26]	2,036	[6],[27]
Fair value		$ 2,028	[5],[26]	$ 2,067	[6],[27]
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.59%	[5],[26]	12.66%	[6],[27]
Spread (as a percent)		7.00%	[5],[26]	7.00%	[6],[27]
Principal		$ 9,300	[5],[26]	$ 9,300	[6],[27]
Cost		9,149	[5],[26]	9,193	[6],[27]
Fair value		$ 9,127	[5],[26]	$ 9,300	[6],[27]
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[5],[26]	12.58%
Spread (as a percent)	[5],[26]	7.00%
Principal	[5],[26]	$ 6,667
Cost	[5],[26]	6,484
Fair value	[5],[26]	$ 6,543
Investment, Identifier [Axis]: World Micro Holdings, LLC, Preferred Equity
Schedule of Investments [Line Items]
Units (in shares)		3,845	[30]	3,845	[31]
Cost		$ 3,845	[30]	$ 3,845	[31]
Fair value		$ 3,845	[30]	$ 3,845	[31]	$ 3,845	3,845
Investment, Identifier [Axis]: World Micro Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%		13.00%		13.00%
Principal		$ 12,123		$ 12,123
Cost		12,034		12,028
Fair value		$ 12,034		$ 12,028		$ 14,147	14,140
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[5],[26]	11.18%
Spread (as a percent)		5.75%	[5],[26]	5.25%	[6],[27],[28]
Principal		$ 23,996	[5],[26]	$ 0	[6],[27],[28]
Cost		23,673	[5],[26]	(163)	[6],[27],[28]
Fair value		$ 23,996	[5],[26]	$ 0	[6],[27],[28]
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.15%	[5],[26]	11.22%	[6],[27]
Spread (as a percent)		5.75%	[5],[26]	5.75%	[6],[27]
Principal		$ 37,731	[5],[26]	$ 24,057	[6],[27]
Cost		37,270	[5],[26]	23,713	[6],[27]
Fair value		$ 37,731	[5],[26]	$ 24,057	[6],[27]
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[6],[27]			11.25%
Spread (as a percent)	[6],[27]			5.75%
Principal	[6],[27]			$ 37,828
Cost	[6],[27]			37,336
Fair value	[6],[27]			$ 37,828
Investment, Identifier [Axis]: YS Garments, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.93%	[11],[26]	13.00%	[12],[27]
Spread (as a percent)		7.50%	[11],[26]	7.50%	[12],[27]
Principal		$ 11,812	[11],[26]	$ 11,167	[12],[27]
Cost		11,573	[11],[26]	10,970	[12],[27]
Fair value		$ 10,973	[11],[26]	$ 10,220	[12],[27]
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Units (in shares)		10,072		10,072
Cost		$ 2,834		$ 2,834
Fair value		$ 0		$ 0		$ 70	240
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%		12.00%
Principal		$ 450		$ 450
Cost		450		450
Fair value		$ 450		$ 450		$ 450	450
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		6.50%		6.50%		6.50%
Principal		$ 1,000		$ 1,000
Cost		1,000		1,000
Fair value		$ 945		$ 945		$ 945	945
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		14.00%		14.00%		14.00%
Principal		$ 2,750		$ 2,750
Cost		2,750		2,750
Fair value		$ 1,967		$ 2,080		$ 2,461	2,676
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Warrants
Schedule of Investments [Line Items]
Units (in shares)		587	[23]	587	[24]
Cost		$ 600	[23]	$ 600	[24]
Fair value		$ 0	[23]	$ 0	[24]	$ 0	$ 0
Investment, Identifier [Axis]: Zips Car Wash, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.68%	[5],[26]	12.71%	[6],[27],[73]
Spread (as a percent)		7.25%	[5],[26]	7.25%	[6],[27],[73]
PIK Rate	[5],[26]	1.50%
Principal		$ 17,291	[5],[26]	$ 17,279	[6],[27],[73]
Cost		17,291	[5],[26]	17,246	[6],[27],[73]
Fair value		$ 17,095	[5],[26]	$ 16,380	[6],[27],[73]
Investment, Identifier [Axis]: Zips Car Wash, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.68%	[5],[26],[29]	12.71%	[6],[27],[73]
Spread (as a percent)		7.25%	[5],[26],[29]	7.25%	[6],[27],[73]
PIK Rate	[5],[26],[29]	1.50%
Principal		$ 4,335	[5],[26],[29]	$ 4,331	[6],[27],[73]
Cost		4,335	[5],[26],[29]	4,327	[6],[27],[73]
Fair value		$ 4,286	[5],[26],[29]	$ 4,067	[6],[27],[73]
[1] Principal is net of repayments. Cost is net of repayments and accumulated unearned income. Negative cost is the result of the capitalized discount being greater than the principal amount outstanding on the loan. [2] Principal is net of repayments. Cost is net of repayments and accumulated unearned income. Negative cost is the result of the capitalized discount being greater than the principal amount outstanding on the loan. [3] Investment fair value was determined using significant unobservable inputs, unless otherwise noted. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for further discussion. Negative fair value is the result of the capitalized discount on the loan or the unfunded commitment being valued below par. [4] Investment fair value was determined using significant unobservable inputs, unless otherwise noted. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for further discussion. Negative fair value is the result of the capitalized discount on the loan or the unfunded commitment being valued below par. [5] Private Loan portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Private Loan portfolio investments. [6] Private Loan portfolio investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Private Loan portfolio investments. [7] Investment is not a qualifying asset as defined under Section 55(a) of the 1940 Act. Qualifying assets must represent at least 70% of total assets at the time of acquisition of any additional non-qualifying assets. [8] Other Portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Other Portfolio investments. [9] Investment is not a qualifying asset as defined under Section 55(a) of the 1940 Act. Qualifying assets must represent at least 70% of total assets at the time of acquisition of any additional non-qualifying assets. [10] Other Portfolio investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Other Portfolio investments. [11] Middle Market portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Middle Market portfolio investments. [12] Middle Market portfolio investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Middle Market portfolio investments. [13] Portfolio company headquarters are located outside of the United States. [14] Portfolio company headquarters are located outside of the United States. [15] (31)Money market fund interests included in cash and cash equivalents. [16] Money market fund interests included in cash and cash equivalents. [17] Control investments are defined by the 1940 Act as investments in which more than 25% of the voting securities are owned or where the ability to nominate greater than 50% of the board representation is maintained. [18] Control investments are defined by the 1940 Act as investments in which more than 25% of the voting securities are owned or where the ability to nominate greater than 50% of the board representation is maintained. [19] Affiliate investments are defined by the 1940 Act as investments in which between 5% and 25% (inclusive) of the voting securities are owned and the investments are not classified as Control investments. [20] Affiliate investments are defined by the 1940 Act as investments in which between 5% and 25% (inclusive) of the voting securities are owned and the investments are not classified as Control investments. [21] Non-Control/Non-Affiliate investments are defined by the 1940 Act as investments that are neither Control investments nor Affiliate investments. [22] Non-Control/Non-Affiliate investments are defined by the 1940 Act as investments that are neither Control investments nor Affiliate investments. [23] (27)Warrants are presented in equivalent shares/units with a strike price of $0.01 per share/unit. [24] Warrants are presented in equivalent shares/units with a strike price of $0.01 per share/unit. [25] The position is unfunded and no interest income is being earned as of March 31, 2024. The position may earn a nominal unused facility fee on committed amounts. [26] Index based floating interest rate is subject to contractual minimum interest rate. As noted in this schedule, 93% of the loans (based on the par amount) contain LIBOR or Term SOFR (“SOFR”) floors which range between 0.50% and 5.25%, with a weighted-average floor of 1.21%. [27] Index based floating interest rate is subject to contractual minimum interest rate. As noted in this schedule, 96% of these floating rate loans (based on the par amount) contain LIBOR or SOFR floors which range between 0.50% and 2.00%, with a weighted-average floor of 1.20%. [28] The position is unfunded and no interest income is being earned as of December 31, 2023. The position may earn a nominal unused facility fee on committed amounts [29] Each new draw or funding on the facility has a different floating rate reset date. The rate presented represents a weighted-average rate for borrowings under the facility, as of March 31, 2024. [30] Income producing through dividends or distributions. [31] Income producing through dividends or distributions. [32] Non-accrual and non-income producing debt investment. [33] Non-accrual and non-income producing debt investment. [34] (35)Warrants are presented in equivalent shares/units with a strike price of $1.00 per share/unit. [35] Warrants are presented in equivalent shares/units with a strike price of $1.00 per share/unit. [36] (33)Index based floating interest rate is subject to contractual maximum base rate of 3.00%. [37] Index based floating interest rate is subject to contractual maximum base rate of 3.00%. [38] Maturity date is under on-going negotiations with the portfolio company and other lenders, if applicable. [39] Maturity date is under on-going negotiations with the portfolio company and other lenders, if applicable. [40] (29)Shares/Units represent ownership in a related Real Estate or HoldCo entity. [41] Shares/Units represent ownership in a related Real Estate or HoldCo entity. [42] The Company has entered into an intercreditor agreement that entitles the Company to the “last out” tranche of the first lien secured loans, whereby the “first out” tranche will receive priority as to the “last out” tranche with respect to payments of principal, interest, and any other amounts due thereunder. Therefore, the Company receives a higher interest rate than the contractual stated interest rate of SOFR+8.09% (Floor 1.50%) per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate. [43] The Company has entered into an intercreditor agreement that entitles the Company to the “last out” tranche of the first lien secured loans, whereby the “first out” tranche will receive priority as to the “last out” tranche with respect to payments of principal, interest, and any other amounts due thereunder. Therefore, the Company receives a higher interest rate than the contractual stated interest rate of SOFR plus 8.00% (Floor 1.50%) per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate. [44] (30)Investment is not unitized. Presentation is made in percent of fully diluted ownership unless otherwise indicated. [45] Investment is not unitized. Presentation is made in percent of fully diluted ownership unless otherwise indicated. [46] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+7.00% (Floor 2.00%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2023. [47] RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of March 31, 2024. [48] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+8.00% (Floor 1.00%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2023. [49] (36)Effective yield as of March 31, 2024 was approximately 4.94% on the Dreyfus Government Cash Management. [50] Effective yield as of December 31, 2023 was approximately 4.98% on the Dreyfus Government Cash Management. [51] (37)Effective yield as of March 31, 2024 was approximately 4.97% on the Fidelity Government Fund. [52] Effective yield as of December 31, 2023 was approximately 5.01% on the Fidelity Government Fund. [53] Effective yield as of December 31, 2023 was approximately 4.99% on the Fidelity Treasury. [54] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+5.75% (Floor 1.00%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2023. [55] (34)Index based floating interest rate is subject to contractual maximum base rate of 1.50%. [56] Index based floating interest rate is subject to contractual maximum base rate of 1.50%. [57] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+7.00% (Floor 1.50%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2023 [58] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+6.75% (Floor 1.00%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2023. [59] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+8.00% (Floor 2.00%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2023. [60] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+10.00%. RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2023. [61] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+6.00% (Floor 1.00%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2023. [62] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+7.00% (Floor 1.00%). Each new draw or funding on the facility has a different floating rate reset date. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2023. [63] External Investment Manager. Investment is not encumbered as security for the Company's Credit Facilities or in support of the SBA-guaranteed debentures issued by the Funds. [64] External Investment Manager. Investment is not encumbered as security for the Company’s Credit Facilities or in support of the SBA-guaranteed debentures issued by the Funds. [65] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+7.25% (Floor 1.00%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2023 [66] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+5.75% (1.00%). Each new draw or funding on the facility has a different floating rate reset date. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2023. [67] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+6.50% (Floor 2.00%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2023. [68] The Company has entered into an intercreditor agreement that entitles the Company to the “last out” tranche of the first lien secured loans, whereby the “first out” tranche will receive priority as to the “last out” tranche with respect to payments of principal, interest, and any other amounts due thereunder. Therefore, the Company receives a higher interest rate than the contractual stated interest rate of 12.45% per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate. [69] The Company has entered into an intercreditor agreement that entitles the Company to the “last out” tranche of the first lien secured loans, whereby the “first out” tranche will receive priority as to the “last out” tranche with respect to payments of principal, interest, and any other amounts due thereunder. Therefore, the Company receives a higher interest rate than the contractual stated interest rate of 11.25% per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate. [70] Short-term portfolio investments. See Note C—Fair Value Hierarchy for Investments and Debentures—Portfolio Composition for a description of short-term portfolio investments. Short-term portfolio investments bear interest at index based floating interest rates which range from SOFR plus 2.75% to SOFR plus 4.00%, with SOFR floors which range from 0% to 0.75% (with a weighted average SOFR floor of approximately 0.39%) and resulting interest rates which range from 8.08% to 9.44% as of March 31, 2024, with a weighted-average interest rate of 8.68%. [71] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+6.00% (0.75%). Each new draw or funding on the facility has a different floating rate reset date. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2023. [72] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+7.00% (Floor 1.00%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2023. [73] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+7.25% (Floor 1.00%). Each new draw or funding on the facility has a different floating rate reset date. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2023.