Quarterly report [Sections 13 or 15(d)]

Consolidated Schedule of Investments

v3.26.1
Consolidated Schedule of Investments - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Mar. 31, 2025
Dec. 31, 2024
Schedule of Investments [Line Items]        
Cost $ 4,933,484 [1],[2],[3] $ 4,724,528 [4],[5],[6]    
Fair value $ 5,674,751 [1],[2],[7] $ 5,518,117 [4],[5],[8]    
Investment owned, percent of net assets (as a percent) 183.40% [1],[2] 184.30% [4],[5]    
Cash and cash equivalent, Cost $ 20,791 $ 41,959    
Money Market Funds        
Schedule of Investments [Line Items]        
Cash and cash equivalent, Cost 5,561 [3] 3,248 [6]    
Cash and cash equivalents, Fair Value 5,561 [7] 3,248 [8]    
Control investments        
Schedule of Investments [Line Items]        
Cost 1,884,724 [3],[9] 1,824,132 [6],[10]    
Fair value $ 2,583,010 [7],[9] $ 2,569,626 [8],[10] $ 2,172,956 $ 2,087,890
Investment owned, percent of net assets (as a percent) 83.50% [1],[2],[9] 85.80% [4],[5],[10]    
Affiliate investments        
Schedule of Investments [Line Items]        
Cost $ 966,939 [3],[11] $ 881,641 [6]    
Fair value 1,055,658 [7],[11] $ 965,179 [8] 899,326 846,798
Investment owned, percent of net assets (as a percent) [4],[5],[12]   32.20%    
Non‑Control/Non‑Affiliate investments        
Schedule of Investments [Line Items]        
Cost 2,081,821 [3],[13] $ 2,018,755 [6],[14]    
Fair value $ 2,036,083 [7],[13] $ 1,983,312 [8],[14]    
Investment owned, percent of net assets (as a percent) 65.80% [1],[2],[13] 66.20% [4],[5],[14]    
American Nuts, LLC        
Schedule of Investments [Line Items]        
Cost $ 26,105 [3],[15] $ 25,292 [6],[16]    
Fair value 19,446 [7],[15] 18,993 [8],[16]    
Analytical Systems Keco Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 9,613 [3] 9,763 [6]    
Fair value 10,290 [7] 10,010 [8]    
ASC Interests, LLC        
Schedule of Investments [Line Items]        
Cost [6]   3,611    
Fair value [8]   1,902    
Batjer TopCo, LLC        
Schedule of Investments [Line Items]        
Cost 13,907 [3] 14,014 [6]    
Fair value 19,203 [7] 18,695 [8]    
BDB Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 21,310 [3] 21,310 [6]    
Fair value 9,553 [7] 14,413 [8]    
Bolder Panther Group, LLC        
Schedule of Investments [Line Items]        
Cost 114,836 [3],[9] 114,803 [6]    
Fair value 132,236 [7],[9] 132,236 [8]    
Brewer Crane Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 9,644 [3] 9,632 [6]    
Fair value 8,334 [7] 8,812 [8]    
Bridge Capital Solutions Corporation        
Schedule of Investments [Line Items]        
Cost 3,132 [3] 3,132 [6]    
Fair value 0 [7] 0 [8]    
California Splendor Holdings LLC        
Schedule of Investments [Line Items]        
Cost 58,278 [3] 54,736 [6]    
Fair value 49,879 [7] 50,997 [8]    
Centre Technologies Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 30,447 [3] 30,444 [6]    
Fair value 70,025 [7] 66,795 [8]    
Chamberlin Holding LLC        
Schedule of Investments [Line Items]        
Cost 54,181 [3] 54,955 [6]    
Fair value 84,810 [7] 81,720 [8]    
Charps, LLC        
Schedule of Investments [Line Items]        
Cost 7,256 [3] 7,230 [6]    
Fair value 21,714 [7] 21,714 [8]    
Clad-Rex Steel, LLC        
Schedule of Investments [Line Items]        
Cost 17,871 [3] 18,116 [6]    
Fair value 26,557 [7] 25,799 [8]    
Cody Pools, Inc.        
Schedule of Investments [Line Items]        
Cost 41,963 [3] 42,571 [6]    
Fair value 98,530 [7] 99,961 [8]    
Colonial Electric Company LLC        
Schedule of Investments [Line Items]        
Cost 16,365 [3] 16,453 [6]    
Fair value 27,729 [7] 25,609 [8]    
CompareNetworks Topco, LLC        
Schedule of Investments [Line Items]        
Cost 7,515 [3] 7,551 [6]    
Fair value 7,836 [7] 11,681 [8]    
Compass Systems & Sales, LLC        
Schedule of Investments [Line Items]        
Cost 23,555 [3] 24,539 [6]    
Fair value 23,412 [7] 24,126 [8]    
Cybermedia Technologies, LLC        
Schedule of Investments [Line Items]        
Cost 44,097 [3] 44,482 [6]    
Fair value 37,652 [7] 33,416 [8]    
Datacom, LLC        
Schedule of Investments [Line Items]        
Cost 11,390 [3] 11,457 [6]    
Fair value 3,761 [7] 4,844 [8]    
Digital Products Holdings LLC        
Schedule of Investments [Line Items]        
Cost 21,454 [3] 21,444 [6]    
Fair value 21,183 [7] 21,173 [8]    
Direct Marketing Solutions, Inc.        
Schedule of Investments [Line Items]        
Cost 56,529 [3] 33,262 [6]    
Fair value 72,691 [7] 44,627 [8]    
Doral Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 35,316 [3] 39,270 [6]    
Fair value 46,700 [7] 42,010 [8]    
Elgin AcquireCo, LLC        
Schedule of Investments [Line Items]        
Cost 30,036 [3] 30,156 [6]    
Fair value 31,272 [7] 31,192 [8]    
Flame King Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 75,848 [3] 75,815 [6]    
Fair value 121,750 [7] 120,630 [8]    
Gamber-Johnson Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 94,460 [3] 88,524 [6]    
Fair value 194,700 [7] 184,732 [8]    
Gamber-Johnson Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 56,673 [3] 56,660 [6]    
Fair value 87,649 [7] 89,999 [8]    
Harris Preston Fund Investments        
Schedule of Investments [Line Items]        
Cost 4,755 [3],[17],[18] 4,755 [6],[19],[20]    
Fair value 7,977 [7],[17],[18] 7,927 [8],[19],[20]    
Harrison Hydra-Gen, Ltd.        
Schedule of Investments [Line Items]        
Cost 49,293 [3] 50,870 [6]    
Fair value 63,824 [7] 64,694 [8]    
Jensen Jewelers of Idaho, LLC        
Schedule of Investments [Line Items]        
Cost 1,539 [3] 1,689 [6]    
Fair value 12,888 [7] 12,418 [8]    
JorVet Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 34,268 [3] 34,256 [6]    
Fair value 34,268 [7] 34,253 [8]    
JTI Electrical & Mechanical, LLC        
Schedule of Investments [Line Items]        
Cost 51,773 [3],[15] 51,560 [6],[16]    
Fair value 15,186 [7],[15] 43,684 [8],[16]    
KBK Industries, LLC        
Schedule of Investments [Line Items]        
Cost [6]   7,949    
Fair value [8]   25,380    
Kickhaefer Manufacturing Company, LLC        
Schedule of Investments [Line Items]        
Cost 27,294 [3] 27,305 [6]    
Fair value 36,602 [7] 35,443 [8]    
Metalforming Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 24,637 [3] 24,628 [6]    
Fair value 33,213 [7] 32,923 [8]    
Moffitt Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 47,722 [3] 48,140 [6]    
Fair value 48,982 [7] 49,400 [8]    
MS Private Loan Fund I, LP        
Schedule of Investments [Line Items]        
Cost 27,300 [3],[17],[18] 27,000 [6],[19],[20]    
Fair value 25,893 [7],[17],[18] 26,697 [8],[19],[20]    
Legacy Swim Group        
Schedule of Investments [Line Items]        
Cost 10,423 [3],[17],[18] 10,416 [6],[19],[20]    
Fair value 11,076 [7],[17],[18] 10,980 [8],[19],[20]    
MVI MSO, LLC        
Schedule of Investments [Line Items]        
Cost 12,472 [3] 12,468 [6]    
Fair value 13,852 [7] 14,538 [8]    
Nello Industries Investco, LLC        
Schedule of Investments [Line Items]        
Cost 52,264 [3] 43,064 [6]    
Fair value 70,822 [7] 55,402 [8]    
MVI MSO, LLC        
Schedule of Investments [Line Items]        
Cost 7,507 [3] 7,508 [6]    
Fair value 1,298 [7] 1,402 [8]    
NuStep, LLC        
Schedule of Investments [Line Items]        
Cost 35,417 [3] 34,091 [6]    
Fair value 37,986 [7] 37,750 [8]    
OMi Topco, LLC        
Schedule of Investments [Line Items]        
Cost 30,039 [3] 30,036 [6]    
Fair value 108,040 [7] 106,900 [8]    
NRP Jones, LLC        
Schedule of Investments [Line Items]        
Cost 30,746 [3] 31,348 [6]    
Fair value 34,210 [7] 34,822 [8]    
Pinnacle TopCo, LLC        
Schedule of Investments [Line Items]        
Cost 38,786 [3] 39,568 [6]    
Fair value 46,840 [7] 47,640 [8]    
PPL RVs, Inc.        
Schedule of Investments [Line Items]        
Cost 17,519 [3] 17,510 [6]    
Fair value 31,476 [7] 33,096 [8]    
Principle Environmental, LLC        
Schedule of Investments [Line Items]        
Cost 11,794 [3] 11,789 [6]    
Fair value 21,387 [7] 21,387 [8]    
PPL RVs, Inc.        
Schedule of Investments [Line Items]        
Cost 42,562 [3] 42,779 [6]    
Fair value 13,900 [7] 13,967 [8]    
Tedder Industries, LLC        
Schedule of Investments [Line Items]        
Cost 26,809 [3] 26,376 [6]    
Fair value 6,693 [7] 3,789 [8]    
Televerde, LLC        
Schedule of Investments [Line Items]        
Cost 2,008 [3] 2,008 [6]    
Fair value 4,065 [7] 6,616 [8]    
Trantech Radiator Topco, LLC        
Schedule of Investments [Line Items]        
Cost 43,802 [3] 16,344 [6]    
Fair value 57,866 [7] 26,656 [8]    
Victory Energy Operations, LLC        
Schedule of Investments [Line Items]        
Cost 72,514 [3] 71,196 [6]    
Fair value 73,683 [7] 72,105 [8]    
Volusion, LLC        
Schedule of Investments [Line Items]        
Cost 20,199 [3] 20,506 [6]    
Fair value 4,140 [7] 5,010 [8]    
Trantech Radiator Topco, LLC        
Schedule of Investments [Line Items]        
Cost 36,208 [3] 36,196 [6]    
Fair value 36,208 [7] 36,196 [8]    
Ziegler’s NYPD, LLC        
Schedule of Investments [Line Items]        
Cost 5,054 [3] 5,054 [6]    
Fair value 1,783 [7] 1,887 [8]    
Victory Energy Operations, LLC        
Schedule of Investments [Line Items]        
Cost 19,804 [3],[21] 19,284 [6],[22]    
Fair value 7,131 [7],[21] 8,990 [8],[22]    
Boccella Precast Products LLC        
Schedule of Investments [Line Items]        
Cost 2,512 [3] 2,512 [6]    
Fair value 2,886 [7] 3,076 [8]    
Buca C, LLC        
Schedule of Investments [Line Items]        
Cost 16,965 [3] 16,914 [6]    
Fair value 0 [7] 0 [8]    
Career Team Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 26,693 [3] 26,672 [6]    
Fair value 26,897 [7] 26,876 [8]    
CenterPeak Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 30,535 [3] 30,532 [6]    
Fair value 52,487 [7] 51,247 [8]    
Boccella Precast Products LLC        
Schedule of Investments [Line Items]        
Cost 35,867 [3],[17],[23] 36,749 [6],[19],[24]    
Fair value 35,867 [7],[17],[23] 36,749 [8],[19],[24]    
Buca C, LLC        
Schedule of Investments [Line Items]        
Cost 23,150 [3] 23,008 [6]    
Fair value 34,917 [7] 27,958 [8]    
Dos Rios Partners        
Schedule of Investments [Line Items]        
Cost 7,947 [3],[17],[18] 7,947 [6],[19],[20]    
Fair value 10,576 [7],[17],[18] 10,576 [8],[19],[20]    
CGMS Parent LLC        
Schedule of Investments [Line Items]        
Cost 32,189 [3] 32,368 [6]    
Fair value 45,410 [7] 46,300 [8]    
Freeport Financial Funds        
Schedule of Investments [Line Items]        
Cost 3,008 [3],[17],[18] 3,008 [6],[19],[20]    
Fair value 1,739 [7],[17],[18] 1,793 [8],[19],[20]    
FRG AcquireCo, LLC        
Schedule of Investments [Line Items]        
Cost 11,890 [3] 13,883 [6]    
Fair value 11,890 [7] 13,883 [8]    
Connect Telecommunications Solutions Holdings, Inc.        
Schedule of Investments [Line Items]        
Cost 18,953 [3] 18,950 [6]    
Fair value 24,993 [7] 24,993 [8]    
DMA Industries, LLC        
Schedule of Investments [Line Items]        
Cost 45,283 [3],[17],[23] 42,697 [6],[19],[24]    
Fair value 52,478 [7],[17],[23] 49,992 [8],[19],[24]    
Dos Rios Partners        
Schedule of Investments [Line Items]        
Cost 9,741 [3],[17],[18] 8,708 [6],[19],[20]    
Fair value 14,497 [7],[17],[18] 12,805 [8],[19],[20]    
Hawk Ridge Systems, LLC        
Schedule of Investments [Line Items]        
Cost 52,577 [3] 51,475 [6]    
Fair value 77,561 [7] 76,165 [8]    
Houston Plating and Coatings, LLC        
Schedule of Investments [Line Items]        
Cost 5,352 [3] 5,352 [6]    
Fair value 6,510 [7] 6,720 [8]    
Infinity X1 Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 19,433 [3] 19,657 [6]    
Fair value 23,414 [7] 23,309 [8],[12]    
Integral Energy Services        
Schedule of Investments [Line Items]        
Cost 14,224 [3],[15] 14,205 [6],[16]    
Fair value 12,897 [7],[15] 13,216 [8],[16]    
Iron-Main Investments, LLC        
Schedule of Investments [Line Items]        
Cost 46,457 [3] 46,987 [6]    
Fair value 46,940 [7] 47,250 [8]    
ITA Holdings Group, LLC        
Schedule of Investments [Line Items]        
Cost 21,893 [3] 19,393 [6]    
Fair value 35,720 [7] 33,360 [8]    
KMS, LLC        
Schedule of Investments [Line Items]        
Cost 8,315 [3],[15] 7,003 [6],[16]    
Fair value 9,753 [7],[15] 8,383 [8],[16]    
Mills Fleet Farm Group, LLC        
Schedule of Investments [Line Items]        
Cost 19,967 [3],[15] 19,578 [6],[16]    
Fair value 16,303 [7],[15] 17,017 [8],[16]    
MoneyThumb Acquisition, LLC        
Schedule of Investments [Line Items]        
Cost 9,739 [3] 10,214 [6]    
Fair value 10,333 [7] 10,608 [8]    
OnAsset Intelligence, Inc.        
Schedule of Investments [Line Items]        
Cost 12,683 [3] 12,683 [6]    
Fair value 1,240 [7] 1,239 [8]    
RA Outdoors LLC        
Schedule of Investments [Line Items]        
Cost 17,768 [3],[15] 16,414 [6],[16]    
Fair value 14,730 [7],[15] 13,537 [8],[16]    
Revenue Recovery Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 7,675 [3] 7,671 [6]    
Fair value 8,586 [7] 7,671 [8]    
RFG AcquireCo, LLC        
Schedule of Investments [Line Items]        
Cost 60,729 [3] 53,026 [6]    
Fair value 62,099 [7] 54,396 [8]    
SI East, LLC        
Schedule of Investments [Line Items]        
Cost 70,543 [3] 70,533 [6]    
Fair value 86,290 [7] 86,290 [8]    
KMS, LLC        
Schedule of Investments [Line Items]        
Cost 24,068 [3] 24,451 [6]    
Fair value 26,870 [7] 26,840 [8]    
Specialized Aviation Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 38,048 [3] 43,362 [6]    
Fair value 38,048 [7] 43,362 [8]    
Student Resource Center, LLC        
Schedule of Investments [Line Items]        
Cost 5,110 [3],[15] 5,106 [6],[16]    
Fair value 2,420 [7],[15] 2,218 [8],[16]    
The Affiliati Network, LLC        
Schedule of Investments [Line Items]        
Cost 6,713 [3] 6,713 [6]    
Fair value 6,713 [7] 6,713 [8]    
UniTek Global Services, Inc.        
Schedule of Investments [Line Items]        
Cost 20,007 [3],[21] 20,007 [6],[22]    
Fair value 9,388 [7],[21] 9,388 [8],[22]    
Urgent DSO LLC        
Schedule of Investments [Line Items]        
Cost 13,363 [3] 13,357 [6]    
Fair value 11,046 [7] 13,028 [8]    
World Micro Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 13,698 [3] 13,693 [6]    
Fair value 13,698 [7] 13,693 [8]    
Adams Publishing Group, LLC        
Schedule of Investments [Line Items]        
Cost 24,644 [3],[15] 25,234 [6],[16]    
Fair value 24,552 [7],[15] 25,142 [8],[16]    
AGS American Glass Services Acquisition, LLC        
Schedule of Investments [Line Items]        
Cost 10,563 [3],[15] 10,578 [6],[16]    
Fair value 10,300 [7],[15] 10,474 [8],[16]    
Airo Purchaser, Inc.        
Schedule of Investments [Line Items]        
Cost 28,541 [3],[15] 28,578 [6],[16]    
Fair value 29,086 [7],[15] 28,695 [8],[16]    
American Health Staffing Group, Inc.        
Schedule of Investments [Line Items]        
Cost 5,365 [3],[15] 5,587 [6],[16]    
Fair value 5,374 [7],[15] 5,598 [8],[16]    
ArborWorks, LLC        
Schedule of Investments [Line Items]        
Cost 27,848 [3],[15] 27,456 [6],[16]    
Fair value 30,981 [7],[15] 29,821 [8],[16]    
ATS Operating, LLC        
Schedule of Investments [Line Items]        
Cost 15,604 [3],[15] 15,777 [6],[16]    
Fair value 15,960 [7],[15] 16,090 [8],[16]    
AVEX Aviation Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 23,789 [3],[15] 23,879 [6],[16]    
Fair value 24,299 [7],[15] 24,270 [8],[16]    
Berry Aviation, Inc.        
Schedule of Investments [Line Items]        
Cost 286 [3],[15] 286 [6],[16]    
Fair value 0 [7],[15] 0 [8],[16]    
Bettercloud, Inc.        
Schedule of Investments [Line Items]        
Cost [6],[16]   22,907    
Fair value [8],[16]   21,707    
Bluestem Brands, Inc.        
Schedule of Investments [Line Items]        
Cost 7,802 [3],[21] 7,907 [6],[22]    
Fair value 337 [7],[21] 421 [8],[22]    
B-O-F Corporation        
Schedule of Investments [Line Items]        
Cost 8,003 [3],[15] 7,996 [6],[16]    
Fair value 8,063 [7],[15] 8,056 [8],[16]    
Bond Brand Loyalty ULC        
Schedule of Investments [Line Items]        
Cost 14,914 [3],[15],[17],[23] 14,933 [6],[16],[19],[24]    
Fair value 15,095 [7],[15],[17],[23] 15,071 [8],[16],[19],[24]    
BP Loenbro Holdings Inc.        
Schedule of Investments [Line Items]        
Cost [6],[16]   58,750    
Fair value [8],[16]   66,822    
Brainworks Software, LLC        
Schedule of Investments [Line Items]        
Cost 7,817 [3],[15] 7,817 [6],[16]    
Fair value 0 [7],[15] 0 [8],[16]    
Brightwood Capital Fund Investments        
Schedule of Investments [Line Items]        
Cost 13,000 [3],[17],[18] 13,085 [6],[19],[20]    
Fair value 10,977 [7],[17],[18] 11,062 [8],[19],[20]    
Channel Partners Intermediateco, LLC        
Schedule of Investments [Line Items]        
Cost 46,984 [3],[15] 49,512 [6],[16]    
Fair value 47,224 [7],[15] 49,820 [8],[16]    
Computer Data Source, LLC        
Schedule of Investments [Line Items]        
Cost 31,778 [3],[15] 30,167 [6],[16]    
Fair value 27,377 [7],[15] 28,745 [8],[16]    
Core Transformers        
Schedule of Investments [Line Items]        
Cost 6,669 [3],[15] 6,660 [6],[16]    
Fair value 7,185 [7],[15] 6,660 [8],[16]    
Coregistics Buyer LLC        
Schedule of Investments [Line Items]        
Cost 50,121 [3],[15],[17],[23] 50,180 [6],[16],[19],[24]    
Fair value 50,005 [7],[15],[17],[23] 50,807 [8],[16],[19],[24]    
CQ Fluency, LLC        
Schedule of Investments [Line Items]        
Cost 9,992 [3],[15] 10,105 [6],[16]    
Fair value 10,101 [7],[15] 10,238 [8],[16]    
Creative Foam Corporation        
Schedule of Investments [Line Items]        
Cost 93,870 [3],[15] 93,764 [6],[16]    
Fair value 94,723 [7],[15] 94,890 [8],[16]    
DTE Enterprises, LLC        
Schedule of Investments [Line Items]        
Cost [6],[16]   2,092    
Fair value [8],[16]   0    
Dynamic Communities, LLC        
Schedule of Investments [Line Items]        
Cost 4,997 [3],[15] 4,894 [6],[16]    
Fair value 5,262 [7],[15] 5,185 [8],[16]    
Electro Technical Industries, LLC        
Schedule of Investments [Line Items]        
Cost 50,371 [3],[15] 50,627 [6],[16]    
Fair value 52,937 [7],[15] 52,227 [8],[16]    
EnCap Energy Fund Investments        
Schedule of Investments [Line Items]        
Cost 28,801 [3],[17],[18] 28,709 [6],[19],[20]    
Fair value 14,421 [7],[17],[18] 15,558 [8],[19],[20]    
Escalent, Inc.        
Schedule of Investments [Line Items]        
Cost 26,898 [3],[15] 27,072 [6],[16]    
Fair value 27,573 [7],[15] 27,781 [8],[16]    
Event Holdco, LLC        
Schedule of Investments [Line Items]        
Cost 51,519 [3],[15] 51,633 [6],[16]    
Fair value 51,589 [7],[15] 51,727 [8],[16]    
Fuse, LLC        
Schedule of Investments [Line Items]        
Cost 2,066 [3],[21] 2,066 [6],[22]    
Fair value 141 [7],[21] 323 [8],[22]    
Garyline, LLC        
Schedule of Investments [Line Items]        
Cost 30,773 [3],[15] 28,838 [6],[16]    
Fair value 30,927 [7],[15] 29,056 [8],[16]    
GradeEight Corp.        
Schedule of Investments [Line Items]        
Cost 36,747 [3],[15] 36,849 [6],[16]    
Fair value 35,987 [7],[15] 36,288 [8],[16]    
GS HVAM Intermediate, LLC        
Schedule of Investments [Line Items]        
Cost 23,497 [3],[15] 23,515 [6],[16]    
Fair value 23,573 [7],[15] 23,619 [8],[16]    
GULF PACIFIC ACQUISITION, LLC        
Schedule of Investments [Line Items]        
Cost 4,126 [3],[15] 4,232 [6],[16]    
Fair value 3,906 [7],[15] 3,959 [8],[16]    
HDC/HW Intermediate Holdings        
Schedule of Investments [Line Items]        
Cost 3,270 [3],[15] 3,270 [6],[16]    
Fair value 1,964 [7],[15] 2,272 [8],[16]    
HEADLANDS OP-CO LLC        
Schedule of Investments [Line Items]        
Cost [6],[14],[16]   776    
Fair value [8],[14],[16]   0    
Hornblower Sub, LLC        
Schedule of Investments [Line Items]        
Cost 37,559 [3],[15] 37,071 [6],[16]    
Fair value 37,348 [7],[15] 36,860 [8],[16]    
IG Parent Corporation        
Schedule of Investments [Line Items]        
Cost 14,855 [3],[21] 14,884 [6],[22]    
Fair value 14,941 [7],[21] 14,980 [8],[22]    
Implus Footcare, LLC        
Schedule of Investments [Line Items]        
Cost 12,175 [3],[15] 12,049 [6],[16]    
Fair value 10,235 [7],[15] 11,279 [8],[16]    
Insight Borrower Corporation        
Schedule of Investments [Line Items]        
Cost 14,484 [3],[15] 15,922 [6],[16]    
Fair value 12,913 [7],[15] 14,751 [8],[16]    
Inspire Aesthetics Management, LLC        
Schedule of Investments [Line Items]        
Cost 11,823 [3],[15] 11,782 [6],[16]    
Fair value 10,927 [7],[15] 10,887 [8],[16]    
Interface Security Systems, L.L.C        
Schedule of Investments [Line Items]        
Cost 9,712 [3],[15] 9,629 [6],[16]    
Fair value 2,165 [7],[15] 2,078 [8],[16]    
Invincible Boat Company, LLC.        
Schedule of Investments [Line Items]        
Cost 18,459 [3],[15] 18,209 [6],[16]    
Fair value 14,514 [7],[15] 16,566 [8],[16]    
Isagenix International, LLC        
Schedule of Investments [Line Items]        
Cost 3,012 [3],[21] 3,016 [6],[22]    
Fair value 457 [7],[21] 458 [8],[22]    
Island Pump and Tank, LLC        
Schedule of Investments [Line Items]        
Cost 6,711 [3],[15] 6,704 [6],[16]    
Fair value 5,741 [7],[15] 6,587 [8],[16]    
Jackmont Hospitality, Inc.        
Schedule of Investments [Line Items]        
Cost 3,836 [3],[15] 3,865 [6],[16]    
Fair value 4,394 [7],[15] 4,531 [8],[16]    
Joerns Healthcare, LLC        
Schedule of Investments [Line Items]        
Cost 3,402 [3],[21] 3,402 [6],[22]    
Fair value 3,482 [7],[21] 3,552 [8],[22]    
Logix Acquisition Company, LLC        
Schedule of Investments [Line Items]        
Cost 46,156 [3],[15] 45,738 [6],[16]    
Fair value 46,698 [7],[15] 46,339 [8],[16]    
Microbe Formulas, LLC        
Schedule of Investments [Line Items]        
Cost 24,134 [3],[15] 24,672 [6],[16]    
Fair value 24,317 [7],[15] 24,882 [8],[16]    
Mini Melts of America, LLC        
Schedule of Investments [Line Items]        
Cost 12,840 [3],[15] 12,736 [6],[16]    
Fair value 11,809 [7],[15] 12,099 [8],[16]    
Mission Critical Group        
Schedule of Investments [Line Items]        
Cost 80,187 [3],[15] 80,284 [6],[16]    
Fair value 102,649 [7],[15] 96,131 [8],[16]    
MonitorUS Holding, LLC        
Schedule of Investments [Line Items]        
Cost 34,918 [3],[15],[17],[23] 34,966 [6],[16],[19],[24]    
Fair value 36,101 [7],[15],[17],[23] 36,781 [8],[16],[19],[24]    
Obra Capital, Inc.        
Schedule of Investments [Line Items]        
Cost 28,592 [3],[15] 28,621 [6],[16]    
Fair value 29,167 [7],[15] 29,241 [8],[16]    
OnPoint Industrial Services, LLC        
Schedule of Investments [Line Items]        
Cost 5,192 [3],[15] 5,200 [6],[16]    
Fair value 5,224 [7],[15] 5,237 [8],[16]    
PrimeFlight Aviation Services        
Schedule of Investments [Line Items]        
Cost 27,367 [3],[15],[17] 15,927 [6],[16],[19]    
Fair value 27,711 [7],[15],[17] 16,160 [8],[16],[19]    
Richardson Sales Solutions        
Schedule of Investments [Line Items]        
Cost 53,497 [3],[15] 55,120 [6],[16]    
Fair value 54,349 [7],[15] 56,066 [8],[16]    
Roof Opco, LLC        
Schedule of Investments [Line Items]        
Cost 7,348 [3],[15] 6,718 [6],[16]    
Fair value 5,398 [7],[15] 4,819 [8],[16]    
Rug Doctor, LLC.        
Schedule of Investments [Line Items]        
Cost 9,464 [3],[15] 10,457 [6],[16]    
Fair value 9,548 [7],[15] 10,552 [8],[16]    
South Coast Terminals Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 64,268 [3],[15] 64,269 [6],[16]    
Fair value 64,782 [7],[15] 64,808 [8],[16]    
SPAU Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 17,264 [3],[15] 15,906 [6],[16]    
Fair value 17,468 [7],[15] 16,039 [8],[16]    
TEC Services, LLC        
Schedule of Investments [Line Items]        
Cost 31,508 [3],[15] 31,500 [6],[16]    
Fair value 31,861 [7],[15] 31,770 [8],[16]    
Titan Meter Midco Corp.        
Schedule of Investments [Line Items]        
Cost 44,512 [3],[15] 44,544 [6],[16]    
Fair value 45,906 [7],[15] 45,725 [8],[16]    
U.S. TelePacific Corp.        
Schedule of Investments [Line Items]        
Cost 3,289 [3],[21] 2,631 [6],[22]    
Fair value 4,696 [7],[21] 3,998 [8],[22]    
UPS Intermediate, LLC        
Schedule of Investments [Line Items]        
Cost 60,007 [3],[15] 43,740 [6],[16]    
Fair value 61,085 [7],[15] 44,102 [8],[16]    
Vitesse Systems        
Schedule of Investments [Line Items]        
Cost 52,377 [3],[15] 48,631 [6],[16]    
Fair value 53,154 [7],[15] 49,377 [8],[16]    
Wash & Wax Systems LLC        
Schedule of Investments [Line Items]        
Cost 16,622 [3],[15] 16,631 [6],[16]    
Fair value 14,582 [7],[15] 14,741 [8],[16]    
Watterson Brands, LLC        
Schedule of Investments [Line Items]        
Cost 31,395 [3],[15] 32,468 [6],[16]    
Fair value 18,671 [7],[15] 22,233 [8],[16]    
Winter Services LLC        
Schedule of Investments [Line Items]        
Cost 19,125 [3],[15] 20,215 [6],[16]    
Fair value 19,287 [7],[15] 20,354 [8],[16]    
Xenon Arc, Inc.        
Schedule of Investments [Line Items]        
Cost 70,406 [3],[15] 70,534 [6],[16]    
Fair value 70,995 [7],[15] 71,179 [8],[16]    
ZRG Partners, LLC        
Schedule of Investments [Line Items]        
Cost 76,388 [3],[15] 70,277 [6],[16]    
Fair value 77,475 [7],[15] 71,402 [8],[16]    
NAPCO Precast, LLC        
Schedule of Investments [Line Items]        
Cost 4,145 [3] 4,145 [6]    
Fair value 11,718 [7] 15,048 [8]    
Trinity Medical Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 80,474 [3] 80,444 [6]    
Fair value 80,474 [7] 80,444 [8]    
CGMS Parent LLC        
Schedule of Investments [Line Items]        
Cost 34,575 [3] 34,715 [6]    
Fair value 34,575 [7] 34,715 [8]    
Nearshore AcquireCo, LLC        
Schedule of Investments [Line Items]        
Cost 26,878 [3] 26,863 [6]    
Fair value 26,878 [7] 26,863 [8]    
Auria Space, LLC        
Schedule of Investments [Line Items]        
Cost 119,027 [3],[15] 55,696 [6],[16]    
Fair value 118,552 [7],[15] 55,696 [8],[16]    
Ignite Visibility LLC        
Schedule of Investments [Line Items]        
Cost 9,390 [3],[15] 9,378 [6],[16]    
Fair value 9,390 [7],[15] 9,378 [8],[16]    
LKCM Headwater Investments        
Schedule of Investments [Line Items]        
Cost [3],[17],[18] 618      
Fair value [7],[17],[18] 883      
MCT Purchaserco Holding Inc.        
Schedule of Investments [Line Items]        
Cost 49,261 [3],[15],[17],[23] 46,488 [6],[16],[19],[24]    
Fair value 49,261 [7],[15],[17],[23] 46,488 [8],[16],[19],[24]    
PavCon LLC        
Schedule of Investments [Line Items]        
Cost [3],[15] 10,586      
Fair value [7],[15] 10,586      
Royal Cup Inc.        
Schedule of Investments [Line Items]        
Cost 59,795 [3],[15] 55,671 [6],[16]    
Fair value 60,126 [7],[15] 55,671 [8],[16]    
UBM AcquireCo LLC        
Schedule of Investments [Line Items]        
Cost 50,366 [3] 50,341 [6]    
Fair value 50,366 [7] 50,341 [8]    
UserZoom Technologies, Inc.        
Schedule of Investments [Line Items]        
Cost [3],[15] 4,267      
Fair value [7],[15] 4,339      
CoreStack, Inc.        
Schedule of Investments [Line Items]        
Cost [3],[15] 14,467      
Fair value [7],[15] 14,467      
Spring Engineering Holdings, LLC        
Schedule of Investments [Line Items]        
Cost [3] 27,815      
Fair value [7] 27,815      
BLI Acquisition, LLC        
Schedule of Investments [Line Items]        
Cost [3] 15,172      
Fair value [7] 15,172      
Legacy Swim Group        
Schedule of Investments [Line Items]        
Cost 46,703 [3] 46,687 [6]    
Fair value 46,703 [7] 46,687 [8]    
MSC Income Fund, Inc.        
Schedule of Investments [Line Items]        
Cost [3],[17],[18] 29,866      
Fair value [7],[17],[18] 24,520      
Kennedy Fab HoldCo, LLC        
Schedule of Investments [Line Items]        
Cost [3] 61,151      
Fair value [7] 61,151      
Behavior Development Group Holdings        
Schedule of Investments [Line Items]        
Cost 10,317 [3],[15] 9,732 [6],[16]    
Fair value 10,317 [7],[15] 9,732 [8],[16]    
CRC Evans USA Bidco, Inc.        
Schedule of Investments [Line Items]        
Cost 23,286 [3],[15],[17],[23] 30,365 [6],[16],[19],[24]    
Fair value $ 23,915 [7],[15],[17],[23] $ 30,862 [8],[16],[19],[24]    
Investment, Identifier [Axis]: Fidelity Government Fund        
Schedule of Investments [Line Items]        
Total Rate 3.29% 3.43%    
Investment, Identifier [Axis]: 2717 MH, L.P. | LP Interests (2717 GRE-LP, L.P.)        
Schedule of Investments [Line Items]        
Fair value     441 441
Investment, Identifier [Axis]: 2717 MH, L.P. | LP Interests (2717 HPP-MS, L.P.)        
Schedule of Investments [Line Items]        
Fair value     383 383
Investment, Identifier [Axis]: 2717 MH, L.P. | LP Interests (2717 MH, L.P.)        
Schedule of Investments [Line Items]        
Fair value     8,732 8,818
Investment, Identifier [Axis]: 423 HAR, LP | LP Interests (423 HAR, L.P.)        
Schedule of Investments [Line Items]        
Fair value     1,226 1,226
Investment, Identifier [Axis]: AAC Holdings, Inc. | Common Stock        
Schedule of Investments [Line Items]        
Units (in shares) 654,743 [11],[21] 654,743 [12],[22]    
Cost $ 3,148 [3],[11],[21] $ 3,148 [6],[12],[22]    
Fair value $ 0 [7],[11],[21] $ 0 [8],[12],[22] 0 0
Investment, Identifier [Axis]: AAC Holdings, Inc. | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 12,621,635 [11],[21] 12,621,635 [12],[22]    
Cost $ 8,520 [3],[11],[21] $ 8,520 [6],[12],[22]    
Fair value $ 20 [7],[11],[21] $ 2,080 [8],[12],[22] $ 8,520 0
Investment, Identifier [Axis]: AAC Holdings, Inc. | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 21.00% [11],[21] 20.00% [12],[22] 18.00%  
PIK Rate 21.00% [11],[21],[25] 20.00% [12],[22],[26] 18.00%  
Principal $ 1,083 [3],[11],[21] $ 895 [6],[12],[22]    
Cost 978 [3],[11],[21] 895 [6],[12],[22]    
Fair value $ 1,083 [7],[11],[21] 895 [8],[12],[22] $ 0 609
Investment, Identifier [Axis]: AAC Holdings, Inc. | Secured Debt 1.1        
Schedule of Investments [Line Items]        
Total Rate 20.00%      
PIK Rate 20.00%      
Fair value $ 940 895    
Investment, Identifier [Axis]: AAC Holdings, Inc. | Secured Debt 1.2        
Schedule of Investments [Line Items]        
Total Rate 20.00%      
PIK Rate 20.00%      
Fair value $ 2,544 2,756    
Investment, Identifier [Axis]: AAC Holdings, Inc. | Secured Debt 1.3        
Schedule of Investments [Line Items]        
Total Rate 20.00%      
PIK Rate 20.00%      
Fair value $ 2,544 2,756    
Investment, Identifier [Axis]: AAC Holdings, Inc. | Secured Debt 1.4        
Schedule of Investments [Line Items]        
Total Rate 21.00%      
PIK Rate 21.00%      
Fair value $ 1,083 $ 503    
Investment, Identifier [Axis]: AAC Holdings, Inc. | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 20.00% [11],[21] 21.00% [12],[22] 18.00%  
PIK Rate 20.00% [11],[21],[25] 21.00% [12],[22],[26] 18.00%  
Principal $ 940 [3],[11],[21] $ 513 [6],[12],[22]    
Cost 940 [3],[11],[21] 503 [6],[12],[22]    
Fair value $ 940 [7],[11],[21] $ 503 [8],[12],[22] $ 0 17,365
Investment, Identifier [Axis]: AAC Holdings, Inc. | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 20.00% [11],[21],[27] 20.00% [12],[22],[28] 10.00%  
PIK Rate 20.00% [11],[21],[25],[27] 20.00% [12],[22],[26],[28] 10.00%  
Principal $ 3,109 [3],[11],[21],[27] $ 3,109 [6],[12],[22],[28]    
Cost 3,109 [3],[11],[21],[27] 3,109 [6],[12],[22],[28]    
Fair value $ 2,544 [7],[11],[21],[27] $ 2,756 [8],[12],[22],[28] $ 3,109 0
Investment, Identifier [Axis]: AAC Holdings, Inc. | Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 20.00% [11],[21],[27] 20.00% [12],[22],[28] 10.00%  
PIK Rate 20.00% [11],[21],[25],[27] 20.00% [12],[22],[26],[28] 10.00%  
Principal $ 3,109 [3],[11],[21],[27] $ 3,109 [6],[12],[22],[28]    
Cost 3,109 [3],[11],[21],[27] 3,109 [6],[12],[22],[28]    
Fair value $ 2,544 [7],[11],[21],[27] $ 2,756 [8],[12],[22],[28] $ 3,109 0
Investment, Identifier [Axis]: AAC Holdings, Inc. | Warrants        
Schedule of Investments [Line Items]        
Fair value     0 0
Investment, Identifier [Axis]: AGS American Glass Services Acquisition, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 7,292 [13],[15] 7,292 [14],[16]    
Cost $ 729 [3],[13],[15] $ 729 [6],[14],[16]    
Fair value $ 570 [7],[13],[15] $ 729 [8],[14],[16]    
Investment, Identifier [Axis]: AGS American Glass Services Acquisition, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 5.50% [13],[15],[29],[30],[31] 5.50% [14],[16],[32],[33],[34]    
Principal $ 0 [3],[13],[15],[30],[31] $ 0 [6],[14],[16],[33],[34]    
Cost (33) [3],[13],[15],[30],[31] (35) [6],[14],[16],[33],[34]    
Fair value $ (33) [7],[13],[15],[30],[31] $ (35) [8],[14],[16],[33],[34]    
Investment, Identifier [Axis]: AGS American Glass Services Acquisition, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Spread (as a percent) 5.50% [13],[15],[29],[30],[31] 5.50% [14],[16],[32],[33],[34]    
Principal $ 0 [3],[13],[15],[30],[31] $ 0 [6],[14],[16],[33],[34]    
Cost (19) [3],[13],[15],[30],[31] (20) [6],[14],[16],[33],[34]    
Fair value $ (19) [7],[13],[15],[30],[31] $ (20) [8],[14],[16],[33],[34]    
Investment, Identifier [Axis]: AGS American Glass Services Acquisition, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 9.17% [13],[15],[31] 9.22% [14],[16],[34]    
Spread (as a percent) 5.50% [13],[15],[29],[31] 5.50% [14],[16],[32],[34]    
Principal $ 10,017 [3],[13],[15],[31] $ 10,042 [6],[14],[16],[34]    
Cost 9,886 [3],[13],[15],[31] 9,904 [6],[14],[16],[34]    
Fair value $ 9,782 [7],[13],[15],[31] $ 9,800 [8],[14],[16],[34]    
Investment, Identifier [Axis]: AMEREQUIP LLC | Common Stock        
Schedule of Investments [Line Items]        
Units (in shares) 235 [13],[15],[35] 235 [14],[16],[36]    
Cost $ 1,844 [3],[13],[15],[35] $ 1,844 [6],[14],[16],[36]    
Fair value $ 0 [7],[13],[15],[35] $ 0 [8],[14],[16],[36]    
Investment, Identifier [Axis]: ASC Interests, LLC | Member Units        
Schedule of Investments [Line Items]        
Units (in shares) [10]   1,500    
PIK Rate      
Cost [6],[10]   $ 1,500    
Fair value $ 0 $ 0 [8],[10] 0 0
Investment, Identifier [Axis]: ASC Interests, LLC | Preferred Member Units        
Schedule of Investments [Line Items]        
Units (in shares) [10]   178    
Cost [6],[10]   $ 178    
Fair value 0 $ 0 [8],[10] $ 0 0
Investment, Identifier [Axis]: ASC Interests, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate   13.00% [10],[37] 13.00%  
Principal [6],[10],[37]   $ 400    
Cost [6],[10],[37]   400    
Fair value 0 $ 400 [8],[10],[37] $ 400 400
Investment, Identifier [Axis]: ASC Interests, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate   13.00% [10],[37] 13.00%  
Principal [6],[10],[37]   $ 1,533    
Cost [6],[10],[37]   1,533    
Fair value $ 0 $ 1,502 [8],[10],[37] $ 1,525 1,598
Investment, Identifier [Axis]: ATS Operating, LLC | Common Stock        
Schedule of Investments [Line Items]        
Units (in shares) 720,000 [13],[15] 720,000 [14],[16]    
Cost $ 720 [3],[13],[15] $ 720 [6],[14],[16]    
Fair value $ 1,020 [7],[13],[15] $ 970 [8],[14],[16]    
Investment, Identifier [Axis]: ATS Operating, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 9.92% [13],[15],[31],[38] 10.22% [14],[16],[34],[39]    
Spread (as a percent) 6.00% [13],[15],[29],[31],[38] 6.00% [14],[16],[32],[34],[39]    
Principal $ 1,620 [3],[13],[15],[31],[38] $ 1,800 [6],[14],[16],[34],[39]    
Cost 1,564 [3],[13],[15],[31],[38] 1,737 [6],[14],[16],[34],[39]    
Fair value $ 1,620 [7],[13],[15],[31],[38] $ 1,800 [8],[14],[16],[34],[39]    
Investment, Identifier [Axis]: ATS Operating, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 8.92% [13],[15],[31] 9.25% [14],[16],[34]    
Spread (as a percent) 5.00% [13],[15],[29],[31] 5.00% [14],[16],[32],[34]    
Principal $ 6,660 [3],[13],[15],[31] $ 6,660 [6],[14],[16],[34]    
Cost 6,660 [3],[13],[15],[31] 6,660 [6],[14],[16],[34]    
Fair value $ 6,660 [7],[13],[15],[31] $ 6,660 [8],[14],[16],[34]    
Investment, Identifier [Axis]: ATS Operating, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 10.92% [13],[15],[31] 11.25% [14],[16],[34]    
Spread (as a percent) 7.00% [13],[15],[29],[31] 7.00% [14],[16],[32],[34]    
Principal $ 6,660 [3],[13],[15],[31] $ 6,660 [6],[14],[16],[34]    
Cost 6,660 [3],[13],[15],[31] 6,660 [6],[14],[16],[34]    
Fair value $ 6,660 [7],[13],[15],[31] $ 6,660 [8],[14],[16],[34]    
Investment, Identifier [Axis]: ATS Workholding, LLC | Preferred Member Units        
Schedule of Investments [Line Items]        
Fair value     $ 0 0
Investment, Identifier [Axis]: ATS Workholding, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate     5.00%  
Fair value     $ 0 113
Investment, Identifier [Axis]: ATS Workholding, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate     5.00%  
Fair value     $ 0 143
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 984 [13],[15],[35] 984 [14],[16],[36]    
Cost $ 934 [3],[13],[15],[35] $ 934 [6],[14],[16],[36]    
Fair value $ 1,092 [7],[13],[15],[35] $ 920 [8],[14],[16],[36]    
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 7.25% [13],[15],[29],[30],[31] 7.25% [14],[16],[32],[33],[34]    
Principal $ 0 [3],[13],[15],[30],[31] $ 0 [6],[14],[16],[33],[34]    
Cost (56) [3],[13],[15],[30],[31] (63) [6],[14],[16],[33],[34]    
Fair value $ (56) [7],[13],[15],[30],[31] $ (63) [8],[14],[16],[33],[34]    
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [14],[16],[34]   11.09%    
Spread (as a percent) 7.25% [13],[15],[29],[30],[31] 7.25% [14],[16],[32],[34]    
Principal $ 0 [3],[13],[15],[30],[31] $ 23,451 [6],[14],[16],[34]    
Cost (33) [3],[13],[15],[30],[31] 23,046 [6],[14],[16],[34]    
Fair value $ (33) [7],[13],[15],[30],[31] $ 23,451 [8],[14],[16],[34]    
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate [13],[15],[31] 11.11%      
Spread (as a percent) 7.25% [13],[15],[29],[31] 7.25% [14],[16],[32],[33],[34]    
Principal $ 23,296 [3],[13],[15],[31] $ 0 [6],[14],[16],[33],[34]    
Cost 22,944 [3],[13],[15],[31] (38) [6],[14],[16],[33],[34]    
Fair value $ 23,296 [7],[13],[15],[31] $ (38) [8],[14],[16],[33],[34]    
Investment, Identifier [Axis]: Adams Publishing Group, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 11.00% [13],[15],[31],[40] 11.00% [14],[16],[34],[41]    
Spread (as a percent) 8.00% [13],[15],[29],[31],[40] 7.00% [14],[16],[32],[34],[41]    
PIK Rate 1.00% [13],[15],[25],[31],[40] 1.00% [14],[16],[26],[34],[41]    
Principal $ 8,019 [3],[13],[15],[31],[40] $ 8,000 [6],[14],[16],[34],[41]    
Cost 8,019 [3],[13],[15],[31],[40] 8,000 [6],[14],[16],[34],[41]    
Fair value $ 7,985 [7],[13],[15],[31],[40] $ 7,965 [8],[14],[16],[34],[41]    
Investment, Identifier [Axis]: Adams Publishing Group, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 11.00% [13],[15],[31],[40] 11.00% [14],[16],[34],[41]    
Spread (as a percent) 8.00% [13],[15],[29],[31],[40] 7.00% [14],[16],[32],[34],[41]    
PIK Rate 1.00% [13],[15],[25],[31],[40] 1.00% [14],[16],[26],[34],[41]    
Principal $ 771 [3],[13],[15],[31],[40] $ 789 [6],[14],[16],[34],[41]    
Cost 761 [3],[13],[15],[31],[40] 775 [6],[14],[16],[34],[41]    
Fair value $ 761 [7],[13],[15],[31],[40] $ 775 [8],[14],[16],[34],[41]    
Investment, Identifier [Axis]: Adams Publishing Group, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 11.00% [13],[15],[31],[40] 11.00% [14],[16],[34],[41]    
Spread (as a percent) 8.00% [13],[15],[29],[31],[40] 7.00% [14],[16],[32],[34],[41]    
PIK Rate 1.00% [13],[15],[25],[31],[40] 1.00% [14],[16],[26],[34],[41]    
Principal $ 15,874 [3],[13],[15],[31],[40] $ 16,473 [6],[14],[16],[34],[41]    
Cost 15,864 [3],[13],[15],[31],[40] 16,459 [6],[14],[16],[34],[41]    
Fair value $ 15,806 [7],[13],[15],[31],[40] $ 16,402 [8],[14],[16],[34],[41]    
Investment, Identifier [Axis]: Airo Purchaser, Inc. | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 1,521 [13],[15] 1,521 [14],[16]    
Cost $ 1,521 [3],[13],[15] $ 1,521 [6],[14],[16]    
Fair value $ 1,650 [7],[13],[15] $ 1,521 [8],[14],[16]    
Investment, Identifier [Axis]: Airo Purchaser, Inc. | Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 5.25% [13],[15],[29],[30],[31] 5.25% [14],[16],[32],[33],[34]    
Principal $ 0 [3],[13],[15],[30],[31] $ 0 [6],[14],[16],[33],[34]    
Cost (60) [3],[13],[15],[30],[31] (63) [6],[14],[16],[33],[34]    
Fair value $ (60) [7],[13],[15],[30],[31] $ (63) [8],[14],[16],[33],[34]    
Investment, Identifier [Axis]: Airo Purchaser, Inc. | Secured Debt 2        
Schedule of Investments [Line Items]        
Spread (as a percent) 5.25% [13],[15],[29],[30],[31] 5.25% [14],[16],[32],[33],[34]    
Principal $ 0 [3],[13],[15],[30],[31] $ 0 [6],[14],[16],[33],[34]    
Cost (30) [3],[13],[15],[30],[31] (32) [6],[14],[16],[33],[34]    
Fair value $ (30) [7],[13],[15],[30],[31] $ (32) [8],[14],[16],[33],[34]    
Investment, Identifier [Axis]: Airo Purchaser, Inc. | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 8.92% [13],[15],[31] 9.22% [14],[16],[34]    
Spread (as a percent) 5.25% [13],[15],[29],[31] 5.25% [14],[16],[32],[34]    
Principal $ 27,526 [3],[13],[15],[31] $ 27,595 [6],[14],[16],[34]    
Cost 27,110 [3],[13],[15],[31] 27,152 [6],[14],[16],[34]    
Fair value $ 27,526 [7],[13],[15],[31] $ 27,269 [8],[14],[16],[34]    
Investment, Identifier [Axis]: American Health Staffing Group, Inc. | Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 5.25% [13],[15],[29],[30],[31] 5.00% [14],[16],[32],[33],[34]    
Principal $ 0 [3],[13],[15],[30],[31] $ 0 [6],[14],[16],[33],[34]    
Cost (2) [3],[13],[15],[30],[31] (2) [6],[14],[16],[33],[34]    
Fair value $ (2) [7],[13],[15],[30],[31] $ (2) [8],[14],[16],[33],[34]    
Investment, Identifier [Axis]: American Health Staffing Group, Inc. | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.00% [13],[15],[31] 11.75% [14],[16],[34]    
Spread (as a percent) 5.25% [13],[15],[29],[31] 5.00% [14],[16],[32],[34]    
Principal $ 5,376 [3],[13],[15],[31] $ 5,600 [6],[14],[16],[34]    
Cost 5,367 [3],[13],[15],[31] 5,589 [6],[14],[16],[34]    
Fair value $ 5,376 [7],[13],[15],[31] $ 5,600 [8],[14],[16],[34]    
Investment, Identifier [Axis]: American Nuts, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 26,638 [9],[15] 26,638 [10],[16]    
Cost $ 8,970 [3],[9],[15] $ 8,970 [6],[10],[16]    
Fair value $ 3,780 [7],[9],[15] $ 4,250 [8],[10],[16] $ 8,970 0
Investment, Identifier [Axis]: American Nuts, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 12.36% [9],[15],[31] 12.64% [10],[16],[34] 12.95%  
Spread (as a percent) 8.50% [9],[15],[29],[31] 8.50% [10],[16],[32],[34] 8.50%  
PIK Rate 12.36% [9],[15],[25],[31] 12.64% [10],[16],[26],[34] 12.95%  
Principal $ 311 [3],[9],[15],[31] $ 8,161 [6],[10],[16],[34]    
Cost 311 [3],[9],[15],[31] 8,161 [6],[10],[16],[34]    
Fair value $ 311 [7],[9],[15],[31] 8,161 [8],[10],[16],[34] $ 7,410 0
Investment, Identifier [Axis]: American Nuts, LLC | Secured Debt 1.1        
Schedule of Investments [Line Items]        
Total Rate 12.31%      
Spread (as a percent) 8.50%      
PIK Rate 12.31%      
Fair value $ 8,412 8,161    
Investment, Identifier [Axis]: American Nuts, LLC | Secured Debt 1.2        
Schedule of Investments [Line Items]        
Total Rate 12.31%      
Spread (as a percent) 8.50%      
PIK Rate 12.31%      
Fair value $ 6,943 6,582    
Investment, Identifier [Axis]: American Nuts, LLC | Secured Debt 1.3        
Schedule of Investments [Line Items]        
Total Rate 12.36%      
Spread (as a percent) 8.50%      
PIK Rate 12.36%      
Fair value $ 311 $ 0    
Investment, Identifier [Axis]: American Nuts, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.31% [9],[15],[31] 12.64% [10],[16],[34] 12.95%  
Spread (as a percent) 8.50% [9],[15],[29],[31] 8.50% [10],[16],[32],[34] 8.50%  
PIK Rate 12.31% [9],[15],[25],[31] 12.64% [10],[16],[26],[34] 12.95%  
Principal $ 8,412 [3],[9],[15],[31] $ 8,161 [6],[10],[16],[34]    
Cost 8,412 [3],[9],[15],[31] 8,161 [6],[10],[16],[34]    
Fair value $ 8,412 [7],[9],[15],[31] 6,582 [8],[10],[16],[34] $ 7,410 0
Investment, Identifier [Axis]: American Nuts, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate [9],[15],[31] 12.31%      
Spread (as a percent) [9],[15],[29],[31] 8.50%      
PIK Rate [9],[15],[25],[31] 12.31%      
Principal [3],[9],[15],[31] $ 8,412      
Cost [3],[9],[15],[31] 8,412      
Fair value [7],[9],[15],[31] 6,943      
Investment, Identifier [Axis]: Amounts related to investments transferred to or from other 1940 Act classification during the period        
Schedule of Investments [Line Items]        
Fair value     0 (6,332)
Investment, Identifier [Axis]: Amounts related to investments transferred to or from other 1940 Act classification during the period | Preferred Equity 1        
Schedule of Investments [Line Items]        
Fair value 0 0    
Investment, Identifier [Axis]: Amounts related to investments transferred to or from other 1940 Act classification during the period | Preferred Equity 2        
Schedule of Investments [Line Items]        
Fair value $ 0 $ 0    
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC | Preferred Member Units 1        
Schedule of Investments [Line Items]        
Units (in shares) 2,411 [9] 2,411 [10]    
Cost $ 2,387 [3],[9] $ 2,387 [6],[10]    
Fair value 6,030 [7],[9] 6,030 [8],[10] 0 0
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC | Preferred Member Units 1.1        
Schedule of Investments [Line Items]        
Fair value 550 120    
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC | Preferred Member Units 1.2        
Schedule of Investments [Line Items]        
Fair value $ 6,030 $ 6,030    
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC | Preferred Member Units 2        
Schedule of Investments [Line Items]        
Units (in shares) 3,108 [9] 3,108 [10]    
Cost $ 3,200 [3],[9] $ 3,200 [6],[10]    
Fair value $ 550 [7],[9] $ 120 [8],[10] 5,140 5,300
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 13.25% [9] 13.75% [10]    
Principal $ 3,742 [3],[9] $ 3,895 [6],[10]    
Cost 3,710 [3],[9] 3,860 [6],[10]    
Fair value $ 3,710 [7],[9] $ 3,860 [8],[10]    
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Fair value     $ 0 0
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate     17.50%  
Fair value     $ 4,001 4,048
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC | Warrants        
Schedule of Investments [Line Items]        
Units (in shares) 420 [9],[42] 420 [10],[43]    
Cost $ 316 [3],[9],[42] $ 316 [6],[10],[43]    
Fair value $ 0 [7],[9],[42] $ 0 [8],[10],[43] 0 0
Investment, Identifier [Axis]: ArborWorks, LLC | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 3,898 [13],[15] 3,898 [14],[16]    
Cost $ 234 [3],[13],[15] $ 234 [6],[14],[16]    
Fair value $ 0 [7],[13],[15] $ 0 [8],[14],[16]    
Investment, Identifier [Axis]: ArborWorks, LLC | Preferred Equity 1        
Schedule of Investments [Line Items]        
Units (in shares) 32,507 [13],[15] 32,507 [14],[16]    
Cost $ 14,060 [3],[13],[15] $ 14,060 [6],[14],[16]    
Fair value $ 17,427 [7],[13],[15] $ 16,659 [8],[14],[16]    
Investment, Identifier [Axis]: ArborWorks, LLC | Preferred Equity 2        
Schedule of Investments [Line Items]        
Units (in shares) 32,507 [13],[15] 32,507 [14],[16]    
Cost $ 0 [3],[13],[15] $ 0 [6],[14],[16]    
Fair value $ 0 [7],[13],[15] $ 0 [8],[14],[16]    
Investment, Identifier [Axis]: ArborWorks, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 15.00% [13],[15] 15.00% [14],[16]    
PIK Rate 15.00% [13],[15],[25] 15.00% [14],[16],[26]    
Principal $ 4,336 [3],[13],[15] $ 4,177 [6],[14],[16]    
Cost 4,336 [3],[13],[15] 4,177 [6],[14],[16]    
Fair value $ 4,336 [7],[13],[15] $ 4,177 [8],[14],[16]    
Investment, Identifier [Axis]: ArborWorks, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.28% [13],[15],[31] 10.34% [14],[16],[34]    
Spread (as a percent) 6.50% [13],[15],[29],[31] 6.50% [14],[16],[32],[34]    
PIK Rate 10.28% [13],[15],[25],[31] 10.34% [14],[16],[26],[34]    
Principal $ 9,218 [3],[13],[15],[31] $ 8,985 [6],[14],[16],[34]    
Cost 9,218 [3],[13],[15],[31] 8,985 [6],[14],[16],[34]    
Fair value $ 9,218 [7],[13],[15],[31] $ 8,985 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Archer Systems, LLC | Common Stock        
Schedule of Investments [Line Items]        
Units (in shares) 1,387,832 [13],[15],[35] 1,387,832 [14],[16],[36]    
Cost $ 1,388 [3],[13],[15],[35] $ 1,388 [6],[14],[16],[36]    
Fair value $ 2,450 [7],[13],[15],[35] $ 2,450 [8],[14],[16],[36]    
Investment, Identifier [Axis]: Auria Space, LLC | Member Units        
Schedule of Investments [Line Items]        
Units (in shares) [13],[15] 562,714      
Cost [3],[13],[15] $ 3,040      
Fair value [7],[13],[15] $ 3,040      
Investment, Identifier [Axis]: Auria Space, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 5.00% [13],[15],[29],[30],[31] 5.00% [14],[16],[32],[33],[34]    
Principal $ 0 [3],[13],[15],[30],[31] $ 0 [6],[14],[16],[33],[34]    
Cost (160) [3],[13],[15],[30],[31] (168) [6],[14],[16],[33],[34]    
Fair value $ (160) [7],[13],[15],[30],[31] $ (168) [8],[14],[16],[33],[34]    
Investment, Identifier [Axis]: Auria Space, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [13],[15],[31] 8.68%      
Spread (as a percent) 5.00% [13],[15],[29],[31] 5.00% [14],[16],[32],[33],[34]    
Principal $ 60,805 [3],[13],[15],[31] $ 0 [6],[14],[16],[33],[34]    
Cost 59,943 [3],[13],[15],[31] (299) [6],[14],[16],[33],[34]    
Fair value $ 59,943 [7],[13],[15],[31] $ (299) [8],[14],[16],[33],[34]    
Investment, Identifier [Axis]: Auria Space, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 8.68% [13],[15],[31] 8.72% [14],[16],[34]    
Spread (as a percent) 5.00% [13],[15],[29],[31] 5.00% [14],[16],[32],[34]    
Principal $ 57,004 [3],[13],[15],[31] $ 57,004 [6],[14],[16],[34]    
Cost 56,204 [3],[13],[15],[31] 56,163 [6],[14],[16],[34]    
Fair value $ 55,729 [7],[13],[15],[31] $ 56,163 [8],[14],[16],[34]    
Investment, Identifier [Axis]: B-O-F Corporation | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 248,718 [13],[15] 248,718 [14],[16]    
Cost $ 249 [3],[13],[15] $ 249 [6],[14],[16]    
Fair value $ 249 [7],[13],[15] $ 249 [8],[14],[16]    
Investment, Identifier [Axis]: B-O-F Corporation | Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 5.75% [13],[15],[29],[30],[31] 5.75% [14],[16],[32],[33],[34]    
Principal $ 0 [3],[13],[15],[30],[31] $ 0 [6],[14],[16],[33],[34]    
Cost (16) [3],[13],[15],[30],[31] (17) [6],[14],[16],[33],[34]    
Fair value $ (16) [7],[13],[15],[30],[31] $ (17) [8],[14],[16],[33],[34]    
Investment, Identifier [Axis]: B-O-F Corporation | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 8.41% [13],[15],[31] 8.74% [14],[16],[34]    
Spread (as a percent) 4.75% [13],[15],[29],[31] 4.75% [14],[16],[32],[34]    
Principal $ 3,938 [3],[13],[15],[31] $ 3,938 [6],[14],[16],[34]    
Cost 3,885 [3],[13],[15],[31] 3,882 [6],[14],[16],[34]    
Fair value $ 3,915 [7],[13],[15],[31] $ 3,912 [8],[14],[16],[34]    
Investment, Identifier [Axis]: B-O-F Corporation | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 10.41% [13],[15],[31] 10.74% [14],[16],[34]    
Spread (as a percent) 6.75% [13],[15],[29],[31] 6.75% [14],[16],[32],[34]    
Principal $ 3,938 [3],[13],[15],[31] $ 3,938 [6],[14],[16],[34]    
Cost 3,885 [3],[13],[15],[31] 3,882 [6],[14],[16],[34]    
Fair value $ 3,915 [7],[13],[15],[31] $ 3,912 [8],[14],[16],[34]    
Investment, Identifier [Axis]: BDB Holdings, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 19,536,995 [9] 18,756,995 [10]    
Cost $ 19,537 [3],[9] $ 19,537 [6],[10]    
Fair value $ 7,780 [7],[9] $ 12,640 [8],[10] $ 18,920 18,920
Investment, Identifier [Axis]: BDB Holdings, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 12.00% [9] 12.00% [10] 12.00%  
Principal $ 1,773 [3],[9] $ 1,773 [6],[10]    
Cost 1,773 [3],[9] 1,773 [6],[10]    
Fair value $ 1,773 [7],[9] 1,773 [8],[10] $ 420 0
Investment, Identifier [Axis]: BLI Acquisition, LLC | Member Units        
Schedule of Investments [Line Items]        
Units (in shares) [11] 210,000      
Cost [3],[11] $ 2,100      
Fair value $ 2,100 [7],[11] 0    
Investment, Identifier [Axis]: BLI Acquisition, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate [11] 14.00%      
Principal [3],[11] $ 13,200      
Cost [3],[11] 13,072      
Fair value $ 13,072 [7],[11] $ 0    
Investment, Identifier [Axis]: BP Loenbro Holdings Inc. | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) [14],[16]   2,583,963    
Cost [6],[14],[16]   $ 2,709    
Fair value [8],[14],[16]   $ 9,910    
Investment, Identifier [Axis]: BP Loenbro Holdings Inc. | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate [14],[16],[34]   9.75%    
Spread (as a percent) [14],[16],[32],[34]   5.75%    
Principal [6],[14],[16],[34]   $ 25,673    
Cost [6],[14],[16],[34]   25,349    
Fair value [8],[14],[16],[34]   $ 25,673    
Investment, Identifier [Axis]: BP Loenbro Holdings Inc. | Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate [14],[16],[34]   9.83%    
Spread (as a percent) [14],[16],[32],[34]   5.75%    
Principal [6],[14],[16],[34]   $ 9,410    
Cost [6],[14],[16],[34]   9,303    
Fair value [8],[14],[16],[34]   $ 9,410    
Investment, Identifier [Axis]: BP Loenbro Holdings Inc. | Secured Debt 5        
Schedule of Investments [Line Items]        
Total Rate [14],[16],[34]   9.84%    
Spread (as a percent) [14],[16],[32],[34]   5.75%    
Principal [6],[14],[16],[34]   $ 14,899    
Cost [6],[14],[16],[34]   14,643    
Fair value [8],[14],[16],[34]   $ 14,899    
Investment, Identifier [Axis]: Barfly Ventures, LLC | Member Units        
Schedule of Investments [Line Items]        
Fair value     $ 5,760 5,860
Investment, Identifier [Axis]: Barfly Ventures, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate     7.00%  
Fair value     $ 711 711
Investment, Identifier [Axis]: Batjer TopCo, LLC | Preferred Stock        
Schedule of Investments [Line Items]        
Units (in shares) 4,073 [9],[35] 4,073 [10],[36]    
Cost $ 4,095 [3],[9],[35] $ 4,095 [6],[10],[36]    
Fair value 9,370 [7],[9],[35] 8,750 [8],[10],[36] $ 5,160 5,160
Investment, Identifier [Axis]: Batjer TopCo, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate     11.00%  
Principal 0 [3],[9],[30] 0 [6],[10],[33]    
Cost (2) [3],[9],[30] (2) [6],[10],[33]    
Fair value 0 [7],[9],[30] 0 [8],[10],[33] $ 176 446
Investment, Identifier [Axis]: Batjer TopCo, LLC | Secured Debt 1.1        
Schedule of Investments [Line Items]        
Fair value $ 0 0    
Investment, Identifier [Axis]: Batjer TopCo, LLC | Secured Debt 1.2        
Schedule of Investments [Line Items]        
Total Rate 10.00%      
Fair value $ 9,833 9,945    
Investment, Identifier [Axis]: Batjer TopCo, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate     11.00%  
Principal 0 [3],[9],[30] 0 [6],[10],[33]    
Cost 0 [3],[9],[30] 0 [6],[10],[33]    
Fair value $ 0 [7],[9],[30] $ 0 [8],[10],[33] $ 270 270
Investment, Identifier [Axis]: Batjer TopCo, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 10.00% [9] 10.00% [10] 11.00%  
Principal $ 9,833 [3],[9] $ 9,945 [6],[10]    
Cost 9,814 [3],[9] 9,921 [6],[10]    
Fair value $ 9,833 [7],[9] $ 9,945 [8],[10] $ 10,534 10,529
Investment, Identifier [Axis]: Behavior Development Group Holdings | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 300 [13],[15] 300 [14],[16]    
Cost $ 300 [3],[13],[15] $ 300 [6],[14],[16]    
Fair value $ 300 [7],[13],[15] $ 300 [8],[14],[16]    
Investment, Identifier [Axis]: Behavior Development Group Holdings | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [13],[15],[31],[38] 9.67%      
Spread (as a percent) 6.00% [13],[15],[29],[31],[38] 6.00% [14],[16],[32],[33],[34]    
Principal $ 600 [3],[13],[15],[31],[38] $ 0 [6],[14],[16],[33],[34]    
Cost 579 [3],[13],[15],[31],[38] (22) [6],[14],[16],[33],[34]    
Fair value $ 579 [7],[13],[15],[31],[38] $ (22) [8],[14],[16],[33],[34]    
Investment, Identifier [Axis]: Behavior Development Group Holdings | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.70% [13],[15],[31] 9.70% [14],[16],[34]    
Spread (as a percent) 6.00% [13],[15],[29],[31] 6.00% [14],[16],[32],[34]    
Principal $ 9,572 [3],[13],[15],[31] $ 9,596 [6],[14],[16],[34]    
Cost 9,438 [3],[13],[15],[31] 9,454 [6],[14],[16],[34]    
Fair value $ 9,438 [7],[13],[15],[31] $ 9,454 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Berry Aviation, Inc. | Preferred Member Units 1        
Schedule of Investments [Line Items]        
Units (in shares) 286,109 [13],[15],[44] 286,109 [14],[16],[45]    
Cost $ 286 [3],[13],[15],[44] $ 286 [6],[14],[16],[45]    
Fair value $ 0 [7],[13],[15],[44] $ 0 [8],[14],[16],[45]    
Investment, Identifier [Axis]: Berry Aviation, Inc. | Preferred Member Units 2        
Schedule of Investments [Line Items]        
Units (in shares) 122,416 [13],[15],[44] 122,416 [14],[16],[45]    
Cost $ 0 [3],[13],[15],[44] $ 0 [6],[14],[16],[45]    
Fair value $ 0 [7],[13],[15],[44] $ 0 [8],[14],[16],[45]    
Investment, Identifier [Axis]: Berry Aviation, Inc. | Preferred Member Units 3        
Schedule of Investments [Line Items]        
Units (in shares) 1,548,387 [13],[15],[44] 1,548,387 [14],[16],[45]    
Cost $ 0 [3],[13],[15],[44] $ 0 [6],[14],[16],[45]    
Fair value 0 [7],[13],[15],[44] $ 0 [8],[14],[16],[45]    
Investment, Identifier [Axis]: Bettercloud, Inc. | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) [10],[16]   69    
Cost [6],[10],[16]   $ 16,890    
Fair value $ 0 $ 15,690 [8],[10],[16]    
Investment, Identifier [Axis]: Bettercloud, Inc. | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate [10],[16],[34],[39]   12.07%    
Spread (as a percent) 8.25% 8.25% [10],[16],[32],[34],[39]    
PIK Rate [10],[16],[26],[34],[39]   12.07%    
Principal [6],[10],[16],[34],[39]   $ 6,017    
Cost [6],[10],[16],[34],[39]   6,017    
Fair value $ 0 $ 6,017 [8],[10],[16],[34],[39]    
Investment, Identifier [Axis]: Bluestem Brands, Inc. | Common Stock        
Schedule of Investments [Line Items]        
Units (in shares) 723,184 [13],[21] 723,184 [14],[22]    
Cost $ 1 [3],[13],[21] $ 1 [6],[14],[22]    
Fair value $ 0 [7],[13],[21] $ 0 [8],[14],[22]    
Investment, Identifier [Axis]: Bluestem Brands, Inc. | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 12.28% [13],[21],[27],[31] 12.49% [14],[22],[28],[34]    
Spread (as a percent) 8.50% [13],[21],[27],[29],[31] 8.50% [14],[22],[28],[32],[34]    
PIK Rate 11.28% [13],[21],[25],[27],[31] 11.49% [14],[22],[26],[28],[34]    
Principal $ 202 [3],[13],[21],[27],[31] $ 202 [6],[14],[22],[28],[34]    
Cost 126 [3],[13],[21],[27],[31] 129 [6],[14],[22],[28],[34]    
Fair value $ 248 [7],[13],[21],[27],[31] $ 239 [8],[14],[22],[28],[34]    
Investment, Identifier [Axis]: Bluestem Brands, Inc. | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 14.25% [13],[21],[27],[31] 14.25% [14],[22],[28],[34]    
Spread (as a percent) 7.50% [13],[21],[27],[29],[31] 7.50% [14],[22],[28],[32],[34]    
PIK Rate 13.25% [13],[21],[25],[27],[31] 13.25% [14],[22],[26],[28],[34]    
Principal $ 2,780 [3],[13],[21],[27],[31] $ 2,780 [6],[14],[22],[28],[34]    
Cost 2,731 [3],[13],[21],[27],[31] 2,780 [6],[14],[22],[28],[34]    
Fair value $ 89 [7],[13],[21],[27],[31] $ 182 [8],[14],[22],[28],[34]    
Investment, Identifier [Axis]: Bluestem Brands, Inc. | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 12.28% [13],[21],[27],[31] 12.49% [14],[22],[28],[34]    
Spread (as a percent) 8.50% [13],[21],[27],[29],[31] 8.50% [14],[22],[28],[32],[34]    
PIK Rate 11.28% [13],[21],[25],[27],[31] 11.49% [14],[22],[26],[28],[34]    
Principal $ 4,183 [3],[13],[21],[27],[31] $ 4,183 [6],[14],[22],[28],[34]    
Cost 3,908 [3],[13],[21],[27],[31] 3,961 [6],[14],[22],[28],[34]    
Fair value $ 0 [7],[13],[21],[27],[31] $ 0 [8],[14],[22],[28],[34]    
Investment, Identifier [Axis]: Bluestem Brands, Inc. | Warrants        
Schedule of Investments [Line Items]        
Units (in shares) 163,295 [13],[21],[42] 163,295 [14],[22],[43]    
Cost $ 1,036 [3],[13],[21],[42] $ 1,036 [6],[14],[22],[43]    
Fair value $ 0 [7],[13],[21],[42] $ 0 [8],[14],[22],[43]    
Investment, Identifier [Axis]: Boccella Precast Products LLC | Member Units        
Schedule of Investments [Line Items]        
Units (in shares) 2,160,000 [11],[35] 2,160,000 [12],[36]    
Cost $ 2,256 [3],[11],[35] $ 2,256 [6],[12],[36]    
Fair value $ 2,630 [7],[11],[35] $ 2,820 [8],[12],[36] $ 1,120 310
Investment, Identifier [Axis]: Boccella Precast Products LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 10.00% [11] 10.00% [12] 10.00%  
Principal $ 256 [3],[11] $ 256 [6],[12]    
Cost 256 [3],[11] 256 [6],[12]    
Fair value $ 256 [7],[11] $ 256 [8],[12] $ 266 266
Investment, Identifier [Axis]: Bolder Panther Group, LLC | Class B Preferred Member Units        
Schedule of Investments [Line Items]        
Units (in shares) 140,000 [9],[35] 140,000 [10],[36]    
Total Rate 8.00% [9],[35] 8.00% [10],[36] 8.00%  
Cost $ 14,000 [3],[9],[35] $ 14,000 [6],[10],[36]    
Fair value $ 31,190 [7],[9],[35] $ 31,190 [8],[10],[36] $ 31,000 30,520
Investment, Identifier [Axis]: Bolder Panther Group, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 12.09% [9],[31],[46] 11.10% [10],[34],[47]    
Spread (as a percent) 8.40% [9],[29],[31],[46] 7.22% [10],[32],[34],[47]    
Principal $ 101,046 [3],[9],[31],[46] $ 101,046 [6],[10],[34],[47]    
Cost 100,836 [3],[9],[31],[46] 100,803 [6],[10],[34],[47]    
Fair value $ 101,046 [7],[9],[31],[46] 101,046 [8],[10],[34],[47]    
Investment, Identifier [Axis]: Bolder Panther Group, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 12.09%   11.70%  
Spread (as a percent) 8.40%   7.33%  
Fair value $ 101,046 101,046 $ 101,046 101,643
Investment, Identifier [Axis]: Bolder Panther Group, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Fair value $ 0 $ 0 0 0
Investment, Identifier [Axis]: Bond Brand Loyalty ULC | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 571 [13],[15],[17],[23] 571 [14],[16],[19],[24]    
Cost $ 0 [3],[13],[15],[17],[23] $ 0 [6],[14],[16],[19],[24]    
Fair value $ 0 [7],[13],[15],[17],[23] $ 0 [8],[14],[16],[19],[24]    
Investment, Identifier [Axis]: Bond Brand Loyalty ULC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 571 [13],[15],[17],[23] 571 [14],[16],[19],[24]    
Cost $ 571 [3],[13],[15],[17],[23] $ 571 [6],[14],[16],[19],[24]    
Fair value $ 610 [7],[13],[15],[17],[23] $ 550 [8],[14],[16],[19],[24]    
Investment, Identifier [Axis]: Bond Brand Loyalty ULC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 9.56% [13],[15],[17],[23],[31] 9.89% [14],[16],[19],[24],[34]    
Spread (as a percent) 5.75% [13],[15],[17],[23],[29],[31] 5.75% [14],[16],[19],[24],[32],[34]    
Principal $ 571 [3],[13],[15],[17],[23],[31] $ 571 [6],[14],[16],[19],[24],[34]    
Cost 559 [3],[13],[15],[17],[23],[31] 557 [6],[14],[16],[19],[24],[34]    
Fair value $ 571 [7],[13],[15],[17],[23],[31] $ 571 [8],[14],[16],[19],[24],[34]    
Investment, Identifier [Axis]: Bond Brand Loyalty ULC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.56% [13],[15],[17],[23],[31] 9.59% [14],[16],[19],[24],[34]    
Spread (as a percent) 5.75% [13],[15],[17],[23],[29],[31] 5.75% [14],[16],[19],[24],[32],[34]    
Principal $ 1,392 [3],[13],[15],[17],[23],[31] $ 1,396 [6],[14],[16],[19],[24],[34]    
Cost 1,368 [3],[13],[15],[17],[23],[31] 1,369 [6],[14],[16],[19],[24],[34]    
Fair value $ 1,392 [7],[13],[15],[17],[23],[31] $ 1,396 [8],[14],[16],[19],[24],[34]    
Investment, Identifier [Axis]: Bond Brand Loyalty ULC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 8.56% [13],[15],[17],[23],[31] 8.89% [14],[16],[19],[24],[34]    
Spread (as a percent) 4.75% [13],[15],[17],[23],[29],[31] 4.75% [14],[16],[19],[24],[32],[34]    
Principal $ 6,261 [3],[13],[15],[17],[23],[31] $ 6,277 [6],[14],[16],[19],[24],[34]    
Cost 6,208 [3],[13],[15],[17],[23],[31] 6,218 [6],[14],[16],[19],[24],[34]    
Fair value $ 6,261 [7],[13],[15],[17],[23],[31] $ 6,277 [8],[14],[16],[19],[24],[34]    
Investment, Identifier [Axis]: Bond Brand Loyalty ULC | Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 10.56% [13],[15],[17],[23],[31] 10.89% [14],[16],[19],[24],[34]    
Spread (as a percent) 6.75% [13],[15],[17],[23],[29],[31] 6.75% [14],[16],[19],[24],[32],[34]    
Principal $ 6,261 [3],[13],[15],[17],[23],[31] $ 6,277 [6],[14],[16],[19],[24],[34]    
Cost 6,208 [3],[13],[15],[17],[23],[31] 6,218 [6],[14],[16],[19],[24],[34]    
Fair value $ 6,261 [7],[13],[15],[17],[23],[31] $ 6,277 [8],[14],[16],[19],[24],[34]    
Investment, Identifier [Axis]: Brainworks Software, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 14.00% [13],[15],[27],[31],[48] 14.75% [14],[16],[28],[34],[37]    
Spread (as a percent) 7.25% [13],[15],[27],[29],[31],[48] 7.25% [14],[16],[28],[32],[34],[37]    
Principal $ 761 [3],[13],[15],[27],[31],[48] $ 761 [6],[14],[16],[28],[34],[37]    
Cost 761 [3],[13],[15],[27],[31],[48] 761 [6],[14],[16],[28],[34],[37]    
Fair value $ 0 [7],[13],[15],[27],[31],[48] $ 0 [8],[14],[16],[28],[34],[37]    
Investment, Identifier [Axis]: Brainworks Software, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 14.00% [13],[15],[27],[31],[48] 14.75% [14],[16],[28],[34],[37]    
Spread (as a percent) 7.25% [13],[15],[27],[29],[31],[48] 7.25% [14],[16],[28],[32],[34],[37]    
Principal $ 7,056 [3],[13],[15],[27],[31],[48] $ 7,056 [6],[14],[16],[28],[34],[37]    
Cost 7,056 [3],[13],[15],[27],[31],[48] 7,056 [6],[14],[16],[28],[34],[37]    
Fair value $ 0 [7],[13],[15],[27],[31],[48] $ 0 [8],[14],[16],[28],[34],[37]    
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC | Preferred Member Units        
Schedule of Investments [Line Items]        
Fair value     $ 4,110 4,680
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC | Preferred Member Units 1        
Schedule of Investments [Line Items]        
Units (in shares) 2,950 [9],[35] 2,950 [10],[36]    
Cost $ 4,280 [3],[9],[35] $ 4,280 [6],[10],[36]    
Fair value $ 2,970 [7],[9],[35] $ 3,460 [8],[10],[36]    
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC | Preferred Member Units 2        
Schedule of Investments [Line Items]        
Units (in shares) 312 [9],[35] 312 [10],[36]    
Total Rate 15.00% [9],[35] 15.00% [10],[36]    
PIK Rate 15.00% [9],[25],[35] 15.00% [10],[26],[36]    
Cost $ 348 [3],[9],[35] $ 336 [6],[10],[36]    
Fair value $ 348 [7],[9],[35] $ 336 [8],[10],[36]    
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 13.79% [9],[31] 13.98% [10],[34] 14.48%  
Spread (as a percent) 10.00% [9],[29],[31] 10.00% [10],[32],[34] 10.00%  
Principal $ 5,016 [3],[9],[31] $ 5,016 [6],[10],[34]    
Cost 5,016 [3],[9],[31] 5,016 [6],[10],[34]    
Fair value $ 5,016 [7],[9],[31] $ 5,016 [8],[10],[34] $ 5,016 5,016
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation | Preferred Member Units        
Schedule of Investments [Line Items]        
Units (in shares) 17,742 [9],[44] 17,742 [10],[45]    
Cost $ 1,000 [3],[9],[44] $ 1,000 [6],[10],[45]    
Fair value $ 0 [7],[9],[44] $ 0 [8],[10],[45] 0 0
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation | Warrants        
Schedule of Investments [Line Items]        
Units (in shares) 82 [9],[42] 82 [10],[43]    
Cost $ 2,132 [3],[9],[42] $ 2,132 [6],[10],[43]    
Fair value 0 [7],[9],[42] 0 [8],[10],[43]    
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation | Warrants 1        
Schedule of Investments [Line Items]        
Fair value 0 0 0 0
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation | Warrants 2        
Schedule of Investments [Line Items]        
Fair value $ 0 $ 0 $ 0 0
Investment, Identifier [Axis]: Brightwood Capital Fund Investments | LP Interests (Brightwood Capital Fund III, LP)        
Schedule of Investments [Line Items]        
Units (as a percent) 1.59% [13],[17],[18],[49] 1.59% [14],[19],[20],[50]    
Cost $ 4,898 [3],[13],[17],[18],[49] $ 4,983 [6],[14],[19],[20],[50]    
Fair value $ 2,607 [7],[13],[17],[18],[49] $ 2,692 [8],[14],[19],[20],[50]    
Investment, Identifier [Axis]: Brightwood Capital Fund Investments | LP Interests (Brightwood Capital Fund IV, LP)        
Schedule of Investments [Line Items]        
Units (as a percent) 0.59% [13],[17],[18],[35],[49] 0.59% [14],[19],[20],[36],[50]    
Cost $ 3,202 [3],[13],[17],[18],[35],[49] $ 3,202 [6],[14],[19],[20],[36],[50]    
Fair value $ 3,224 [7],[13],[17],[18],[35],[49] $ 3,224 [8],[14],[19],[20],[36],[50]    
Investment, Identifier [Axis]: Brightwood Capital Fund Investments | LP Interests (Brightwood Capital Fund V, LP)        
Schedule of Investments [Line Items]        
Units (as a percent) 0.72% [13],[17],[18],[35],[49] 0.72% [14],[19],[20],[36],[50]    
Cost $ 4,900 [3],[13],[17],[18],[35],[49] $ 4,900 [6],[14],[19],[20],[36],[50]    
Fair value $ 5,146 [7],[13],[17],[18],[35],[49] $ 5,146 [8],[14],[19],[20],[36],[50]    
Investment, Identifier [Axis]: Buca C, LLC | Preferred Member Units        
Schedule of Investments [Line Items]        
Units (in shares) 6 [11] 6 [12]    
Total Rate 6.00% [11] 6.00% [12] 6.00%  
PIK Rate 6.00% [11],[25] 6.00% [12],[26] 6.00%  
Cost $ 4,770 [3],[11] $ 4,770 [6],[12]    
Fair value $ 0 [7],[11] $ 0 [8],[12] $ 0 0
Investment, Identifier [Axis]: Buca C, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 15.00% [11],[27],[48] 15.00% [12],[28],[37] 15.00%  
PIK Rate 15.00% [11],[25],[27],[48] 15.00% [12],[26],[28],[37] 15.00%  
Principal $ 8,750 [3],[11],[27],[48] $ 8,380 [6],[12],[28],[37]    
Cost 6,333 [3],[11],[27],[48] 6,282 [6],[12],[28],[37]    
Fair value $ 0 [7],[11],[27],[48] $ 0 [8],[12],[28],[37] $ 0 0
Investment, Identifier [Axis]: Buca C, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 15.00% [11],[27],[48] 15.00% [12],[28],[37] 15.00%  
PIK Rate 15.00% [11],[25],[27],[48] 15.00% [12],[26],[28],[37] 15.00%  
Principal $ 18 [3],[11],[27],[48] $ 18 [6],[12],[28],[37]    
Cost 0 [3],[11],[27],[48] 0 [6],[12],[28],[37]    
Fair value $ 0 [7],[11],[27],[48] $ 0 [8],[12],[28],[37] $ 0 0
Investment, Identifier [Axis]: Buca C, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 15.00% [11],[27],[48] 15.00% [12],[28],[37] 15.00%  
PIK Rate 15.00% [11],[25],[27],[48] 15.00% [12],[26],[28],[37] 15.00%  
Principal $ 11,534 [3],[11],[27],[48] $ 11,112 [6],[12],[28],[37]    
Cost 5,862 [3],[11],[27],[48] 5,862 [6],[12],[28],[37]    
Fair value $ 0 [7],[11],[27],[48] $ 0 [8],[12],[28],[37] $ 0 0
Investment, Identifier [Axis]: CBT Nuggets, LLC | Member Units        
Schedule of Investments [Line Items]        
Units (in shares) 416 [9],[35] 416 [10],[36]    
Cost $ 1,300 [3],[9],[35] $ 1,300 [6],[10],[36]    
Fair value $ 45,570 [7],[9],[35] $ 47,930 [8],[10],[36] 49,540 49,540
Investment, Identifier [Axis]: CGMS Parent LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 2,000 [11],[35] 2,000 [12]    
Cost $ 10,000 [3],[11],[35] $ 10,000 [6],[12]    
Fair value 10,000 [7],[11],[35] 10,000 [8],[12]    
Investment, Identifier [Axis]: CGMS Parent LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Principal 0 [3],[11],[30] 0 [6],[12],[33]    
Cost (37) [3],[11],[30] (39) [6],[12],[33]    
Fair value $ (37) [7],[11],[30] (39) [8],[12],[33]    
Investment, Identifier [Axis]: CGMS Parent LLC | Secured Debt 1.1        
Schedule of Investments [Line Items]        
Total Rate 13.00%      
Fair value $ 24,612 24,754    
Investment, Identifier [Axis]: CGMS Parent LLC | Secured Debt 1.2        
Schedule of Investments [Line Items]        
Fair value $ (37) $ (39)    
Investment, Identifier [Axis]: CGMS Parent LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 13.00% [11] 13.00% [12]    
Principal $ 24,844 [3],[11] $ 25,000 [6],[12]    
Cost 24,612 [3],[11] 24,754 [6],[12]    
Fair value $ 24,612 [7],[11] $ 24,754 [8],[12]    
Investment, Identifier [Axis]: CQ Fluency, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 6.50% [13],[15],[29],[30],[31] 6.75% [14],[16],[32],[33],[34]    
Principal $ 0 [3],[13],[15],[30],[31] $ 0 [6],[14],[16],[33],[34]    
Cost (24) [3],[13],[15],[30],[31] (28) [6],[14],[16],[33],[34]    
Fair value $ (24) [7],[13],[15],[30],[31] $ (28) [8],[14],[16],[33],[34]    
Investment, Identifier [Axis]: CQ Fluency, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.30% [13],[15],[31] 10.52% [14],[16],[34]    
Spread (as a percent) 6.50% [13],[15],[29],[31] 6.75% [14],[16],[32],[34]    
Principal $ 10,125 [3],[13],[15],[31] $ 10,266 [6],[14],[16],[34]    
Cost 10,016 [3],[13],[15],[31] 10,133 [6],[14],[16],[34]    
Fair value $ 10,125 [7],[13],[15],[31] $ 10,266 [8],[14],[16],[34]    
Investment, Identifier [Axis]: CRC Evans USA Bidco, Inc. | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [14],[16],[19],[24],[34],[39]   10.87%    
Spread (as a percent) 6.75% [13],[15],[17],[23],[29],[30],[31] 6.75% [14],[16],[19],[24],[32],[34],[39]    
Principal $ 0 [3],[13],[15],[17],[23],[30],[31] $ 6,838 [6],[14],[16],[19],[24],[34],[39]    
Cost (151) [3],[13],[15],[17],[23],[30],[31] 6,676 [6],[14],[16],[19],[24],[34],[39]    
Fair value $ 0 [7],[13],[15],[17],[23],[30],[31] $ 6,838 [8],[14],[16],[19],[24],[34],[39]    
Investment, Identifier [Axis]: CRC Evans USA Bidco, Inc. | Secured Debt 2        
Schedule of Investments [Line Items]        
Spread (as a percent) 6.75% [13],[15],[17],[23],[29],[30],[31] 6.75% [14],[16],[19],[24],[32],[33]    
Principal $ 0 [3],[13],[15],[17],[23],[30],[31] $ 0 [6],[14],[16],[19],[24],[33]    
Cost (260) [3],[13],[15],[17],[23],[30],[31] (280) [6],[14],[16],[19],[24],[33]    
Fair value $ (260) [7],[13],[15],[17],[23],[30],[31] $ (280) [8],[14],[16],[19],[24],[33]    
Investment, Identifier [Axis]: CRC Evans USA Bidco, Inc. | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 10.71% [13],[15],[17],[23],[31] 10.70% [14],[16],[19],[24],[34]    
Spread (as a percent) 6.75% [13],[15],[17],[23],[29],[31] 6.75% [14],[16],[19],[24],[32],[34]    
Principal $ 9,419 [3],[13],[15],[17],[23],[31] $ 9,542 [6],[14],[16],[19],[24],[34]    
Cost 9,248 [3],[13],[15],[17],[23],[31] 9,355 [6],[14],[16],[19],[24],[34]    
Fair value $ 9,419 [7],[13],[15],[17],[23],[31] $ 9,355 [8],[14],[16],[19],[24],[34]    
Investment, Identifier [Axis]: CRC Evans USA Bidco, Inc. | Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 10.71% [13],[15],[17],[23],[31] 10.83% [14],[16],[19],[24],[34]    
Spread (as a percent) 6.75% [13],[15],[17],[23],[29],[31] 6.75% [14],[16],[19],[24],[32],[34]    
Principal $ 14,756 [3],[13],[15],[17],[23],[31] $ 14,949 [6],[14],[16],[19],[24],[34]    
Cost 14,449 [3],[13],[15],[17],[23],[31] 14,614 [6],[14],[16],[19],[24],[34]    
Fair value $ 14,756 [7],[13],[15],[17],[23],[31] $ 14,949 [8],[14],[16],[19],[24],[34]    
Investment, Identifier [Axis]: Café Brazil, LLC | Member Units        
Schedule of Investments [Line Items]        
Fair value     1,100 1,200
Investment, Identifier [Axis]: California Splendor Holdings LLC | Preferred Member Units 1        
Schedule of Investments [Line Items]        
Units (in shares) 11,671 [9],[35] 8,671 [10],[36]    
Total Rate 15.00% [9],[35] 15.00% [10],[36]    
PIK Rate 15.00% [9],[25],[35] 15.00% [10],[26],[36]    
Cost $ 16,107 [3],[9],[35] $ 12,569 [6],[10],[36]    
Fair value 16,107 [7],[9],[35] 12,569 [8],[10],[36] $ 22,215 22,215
Investment, Identifier [Axis]: California Splendor Holdings LLC | Preferred Member Units 1.1        
Schedule of Investments [Line Items]        
Fair value $ 8,391 12,801    
Investment, Identifier [Axis]: California Splendor Holdings LLC | Preferred Member Units 1.2        
Schedule of Investments [Line Items]        
Total Rate 15.00%      
PIK Rate 15.00%      
Fair value $ 16,107 $ 12,569    
Investment, Identifier [Axis]: California Splendor Holdings LLC | Preferred Member Units 2        
Schedule of Investments [Line Items]        
Units (in shares) 8,729 [9],[35] 8,729 [10],[36]    
Total Rate     15.00%  
PIK Rate     15.00%  
Cost $ 16,402 [3],[9],[35] $ 16,402 [6],[10],[36]    
Fair value 8,391 [7],[9],[35] 12,801 [8],[10],[36] $ 11,318 10,909
Investment, Identifier [Axis]: California Splendor Holdings LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate     14.00%  
PIK Rate     4.00%  
Principal 0 [3],[9],[30] 0 [6],[10],[33]    
Cost (10) [3],[9],[30] (11) [6],[10],[33]    
Fair value $ (10) [7],[9],[30] (11) [8],[10],[33] $ 27,955 28,465
Investment, Identifier [Axis]: California Splendor Holdings LLC | Secured Debt 1.1        
Schedule of Investments [Line Items]        
Total Rate 14.00%      
Fair value $ 25,391 25,638    
Investment, Identifier [Axis]: California Splendor Holdings LLC | Secured Debt 1.2        
Schedule of Investments [Line Items]        
Fair value $ (10) $ (11)    
Investment, Identifier [Axis]: California Splendor Holdings LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 14.00% [9] 14.00% [10]    
PIK Rate     4.00%  
Principal $ 25,800 [3],[9] $ 25,800 [6],[10]    
Cost 25,779 [3],[9] 25,776 [6],[10]    
Fair value $ 25,391 [7],[9] $ 25,638 [8],[10] $ (19) 1,506
Investment, Identifier [Axis]: Career Team Holdings, LLC | Common Stock        
Schedule of Investments [Line Items]        
Units (in shares) 516,617 [11] 516,617 [12]    
Cost $ 5,166 [3],[11] $ 5,166 [6],[12]    
Fair value $ 5,370 [7],[11] $ 5,370 [8],[12] $ 4,740 4,740
Investment, Identifier [Axis]: Career Team Holdings, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate     10.38%  
Spread (as a percent) 6.00% [11],[29],[30],[31] 6.00% [12],[32],[33],[34] 6.00%  
Principal $ 0 [3],[11],[30],[31] $ 0 [6],[12],[33],[34]    
Cost (43) [3],[11],[30],[31] (45) [6],[12],[33],[34]    
Fair value $ (43) [7],[11],[30],[31] $ (45) [8],[12],[33],[34] $ 1,789 887
Investment, Identifier [Axis]: Career Team Holdings, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 13.00% [11] 13.00% [12] 12.50%  
Principal $ 21,892 [3],[11] $ 21,892 [6],[12]    
Cost 21,570 [3],[11] 21,551 [6],[12]    
Fair value $ 21,570 [7],[11] $ 21,551 [8],[12] $ 19,172 19,364
Investment, Identifier [Axis]: CaseWorthy, Inc. | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 325,408 [13],[15] 325,408 [14],[16]    
Cost $ 325 [3],[13],[15] $ 325 [6],[14],[16]    
Fair value $ 710 [7],[13],[15] $ 710 [8],[14],[16]    
Investment, Identifier [Axis]: CenterPeak Holdings, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 3,310 [11],[35] 3,310 [12],[36]    
Cost $ 3,635 [3],[11],[35] $ 3,635 [6],[12],[36]    
Fair value $ 25,580 [7],[11],[35] $ 24,340 [8],[12],[36]    
Investment, Identifier [Axis]: CenterPeak Holdings, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 15.00% [11] 15.00% [12]    
Principal $ 1,800 [3],[11] $ 1,800 [6],[12]    
Cost 1,796 [3],[11] 1,794 [6],[12]    
Fair value $ 1,800 [7],[11] $ 1,800 [8],[12]    
Investment, Identifier [Axis]: CenterPeak Holdings, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 15.00% [11] 15.00% [12]    
Principal $ 25,107 [3],[11] $ 25,107 [6],[12]    
Cost 25,104 [3],[11] 25,103 [6],[12]    
Fair value $ 25,107 [7],[11] $ 25,107 [8],[12]    
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC | Preferred Member Units        
Schedule of Investments [Line Items]        
Units (in shares) 13,883 [9] 13,883 [10]    
Cost $ 6,386 [3],[9] $ 6,386 [6],[10]    
Fair value $ 45,940 [7],[9] $ 42,710 [8],[10] $ 14,280 12,410
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 8.00% [9],[29],[30],[31] 8.00% [10],[32],[33],[34] 10.00%  
Principal $ 0 [3],[9],[30],[31] $ 0 [6],[10],[33],[34]    
Cost 0 [3],[9],[30],[31] 0 [6],[10],[33],[34]    
Fair value $ 0 [7],[9],[30],[31] $ 0 [8],[10],[33],[34] $ 0 0
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 11.79% [9],[31] 11.98% [10],[34] 14.48%  
Spread (as a percent) 8.00% [9],[29],[31] 8.00% [10],[32],[34] 10.00%  
Principal $ 24,085 [3],[9],[31] $ 24,085 [6],[10],[34]    
Cost 24,061 [3],[9],[31] 24,058 [6],[10],[34]    
Fair value $ 24,085 [7],[9],[31] $ 24,085 [8],[10],[34] $ 24,464 25,534
Investment, Identifier [Axis]: Chamberlin Holding LLC | Member Units 1        
Schedule of Investments [Line Items]        
Units (in shares) 4,347 [9],[35] 4,347 [10],[36]    
Cost $ 11,440 [3],[9],[35] $ 11,440 [6],[10],[36]    
Fair value $ 39,510 [7],[9],[35] $ 35,530 [8],[10],[36] 34,240 33,110
Investment, Identifier [Axis]: Chamberlin Holding LLC | Member Units 2        
Schedule of Investments [Line Items]        
Units (in shares) 1,047,146 [9],[35],[44] 1,047,146 [10],[36],[45]    
Cost $ 1,773 [3],[9],[35],[44] $ 1,773 [6],[10],[36],[45]    
Fair value $ 4,080 [7],[9],[35],[44] $ 4,170 [8],[10],[36],[45] $ 3,630 3,550
Investment, Identifier [Axis]: Chamberlin Holding LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 6.00% [9],[29],[30],[31] 6.00% [10],[32],[33],[34] 6.00%  
Principal $ 0 [3],[9],[30],[31] $ 0 [6],[10],[33],[34]    
Cost (36) [3],[9],[30],[31] (39) [6],[10],[33],[34]    
Fair value $ 0 [7],[9],[30],[31] $ 0 [8],[10],[33],[34] $ 0 0
Investment, Identifier [Axis]: Chamberlin Holding LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 11.86% [9],[31] 11.99% [10],[34] 12.49%  
Spread (as a percent) 8.00% [9],[29],[31] 8.00% [10],[32],[34] 8.00%  
Principal $ 41,220 [3],[9],[31] $ 42,020 [6],[10],[34]    
Cost 41,004 [3],[9],[31] 41,781 [6],[10],[34]    
Fair value $ 41,220 [7],[9],[31] $ 42,020 [8],[10],[34] $ 17,220 15,620
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 10.66% [13],[15],[31],[38] 10.84% [14],[16],[34],[39]    
Spread (as a percent) 6.75% [13],[15],[29],[31],[38] 6.75% [14],[16],[32],[34],[39]    
Principal $ 4,764 [3],[13],[15],[31],[38] $ 7,250 [6],[14],[16],[34],[39]    
Cost 4,684 [3],[13],[15],[31],[38] 7,146 [6],[14],[16],[34],[39]    
Fair value $ 4,764 [7],[13],[15],[31],[38] $ 7,250 [8],[14],[16],[34],[39]    
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.64% [13],[15],[31] 10.84% [14],[16],[34]    
Spread (as a percent) 6.75% [13],[15],[29],[31] 6.75% [14],[16],[32],[34]    
Principal $ 35,701 [3],[13],[15],[31] $ 35,794 [6],[14],[16],[34]    
Cost 35,575 [3],[13],[15],[31] 35,634 [6],[14],[16],[34]    
Fair value $ 35,701 [7],[13],[15],[31] $ 35,794 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 10.64% [13],[15],[31] 10.84% [14],[16],[34]    
Spread (as a percent) 6.75% [13],[15],[29],[31] 6.75% [14],[16],[32],[34]    
Principal $ 1,978 [3],[13],[15],[31] $ 1,983 [6],[14],[16],[34]    
Cost 1,971 [3],[13],[15],[31] 1,974 [6],[14],[16],[34]    
Fair value $ 1,978 [7],[13],[15],[31] $ 1,983 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC | Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 10.64% [13],[15],[31] 10.84% [14],[16],[34]    
Spread (as a percent) 6.75% [13],[15],[29],[31] 6.75% [14],[16],[32],[34]    
Principal $ 4,781 [3],[13],[15],[31] $ 4,793 [6],[14],[16],[34]    
Cost 4,754 [3],[13],[15],[31] 4,758 [6],[14],[16],[34]    
Fair value $ 4,781 [7],[13],[15],[31] $ 4,793 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Charps, LLC | Preferred Member Units        
Schedule of Investments [Line Items]        
Units (in shares) 1,829 [9],[35] 1,829 [10],[36]    
Cost $ 1,963 [3],[9],[35] $ 1,963 [6],[10],[36]    
Fair value $ 16,020 [7],[9],[35] $ 16,020 [8],[10],[36] $ 15,580 15,580
Investment, Identifier [Axis]: Charps, LLC | Unsecured Debt        
Schedule of Investments [Line Items]        
Total Rate 14.00% [9] 14.00% [10] 10.00%  
Principal $ 5,694 [3],[9] $ 5,694 [6],[10]    
Cost 5,293 [3],[9] 5,267 [6],[10]    
Fair value $ 5,694 [7],[9] $ 5,694 [8],[10] $ 5,694 5,694
Investment, Identifier [Axis]: Clad-Rex Steel, LLC | Member Units 1        
Schedule of Investments [Line Items]        
Units (in shares) 717 [9],[35] 717 [10],[36]    
Cost $ 7,280 [3],[9],[35] $ 7,280 [6],[10],[36]    
Fair value $ 14,890 [7],[9],[35] $ 14,120 [8],[10],[36] 11,040 10,990
Investment, Identifier [Axis]: Clad-Rex Steel, LLC | Member Units 2        
Schedule of Investments [Line Items]        
Units (in shares) 800 [9],[44] 800 [10],[45]    
Cost $ 509 [3],[9],[44] $ 509 [6],[10],[45]    
Fair value 1,510 [7],[9],[44] 1,270 [8],[10],[45] 1,270 950
Investment, Identifier [Axis]: Clad-Rex Steel, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Principal 0 [3],[9],[30] 0 [6],[10],[33]    
Cost 0 [3],[9],[30] 0 [6],[10],[33]    
Fair value $ 0 [7],[9],[30] $ 0 [8],[10],[33] $ 0 0
Investment, Identifier [Axis]: Clad-Rex Steel, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.00% [9] 10.00% [10] 9.00%  
Principal $ 9,240 [3],[9] $ 9,480 [6],[10]    
Cost 9,171 [3],[9] 9,405 [6],[10]    
Fair value $ 9,240 [7],[9] $ 9,480 [8],[10] $ 6,520 6,760
Investment, Identifier [Axis]: Clad-Rex Steel, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 10.00% [9] 10.00% [10] 10.00%  
Principal $ 917 [3],[9] $ 929 [6],[10]    
Cost 911 [3],[9] 922 [6],[10]    
Fair value 917 [7],[9] 929 [8],[10] $ 962 973
Investment, Identifier [Axis]: Clarius BIGS, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Principal 2,628 [3],[13],[15],[27],[48] 2,628 [6],[14],[16],[37]    
Cost 2,628 [3],[13],[15],[27],[48] 2,628 [6],[14],[16],[28],[37]    
Fair value $ 8 [7],[13],[15],[27],[48] $ 8 [8],[14],[16],[28],[37]    
Investment, Identifier [Axis]: Classic H&G Holdings, LLC | Preferred Member Units        
Schedule of Investments [Line Items]        
Units (in shares) 154 [11] 154 [12]    
Cost $ 0 [3],[11] $ 0 [6],[12]    
Fair value $ 2,130 [7],[11] $ 2,040 [8],[12] 2,640 2,850
Investment, Identifier [Axis]: Cody Pools, Inc. | Preferred Member Units        
Schedule of Investments [Line Items]        
Units (in shares) 587 [9],[35],[44] 587 [10],[36],[45]    
Cost $ 8,317 [3],[9],[35],[44] $ 8,317 [6],[10],[36],[45]    
Fair value 64,270 [7],[9],[35],[44] 65,060 [8],[10],[36],[45] 69,500 67,810
Investment, Identifier [Axis]: Cody Pools, Inc. | Secured Debt 1        
Schedule of Investments [Line Items]        
Principal 0 [3],[9],[30] 0 [6],[10],[33]    
Cost (87) [3],[9],[30] (82) [6],[10],[33]    
Fair value $ 0 [7],[9],[30] $ 0 [8],[10],[33] $ 0 0
Investment, Identifier [Axis]: Cody Pools, Inc. | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.50% [9] 12.50% [10] 12.50%  
Principal $ 34,260 [3],[9] $ 34,901 [6],[10]    
Cost 33,733 [3],[9] 34,336 [6],[10]    
Fair value $ 34,260 [7],[9] $ 34,901 [8],[10] $ 37,715 39,227
Investment, Identifier [Axis]: Colonial Electric Company LLC | Preferred Member Units        
Schedule of Investments [Line Items]        
Units (in shares) 17,280 [9],[35] 17,280 [10],[36]    
Cost $ 7,680 [3],[9],[35] $ 7,680 [6],[10],[36]    
Fair value 18,950 [7],[9],[35] 16,830 [8],[10],[36] 14,330 13,570
Investment, Identifier [Axis]: Colonial Electric Company LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Principal 0 [3],[9],[30] 0 [6],[10],[33]    
Cost 0 [3],[9],[30] 0 [6],[10],[33]    
Fair value $ 0 [7],[9],[30] $ 0 [8],[10],[33] $ 0 0
Investment, Identifier [Axis]: Colonial Electric Company LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.00% [9] 9.00% [10] 12.00%  
Principal $ 8,779 [3],[9] $ 8,779 [6],[10]    
Cost 8,685 [3],[9] 8,773 [6],[10]    
Fair value $ 8,779 [7],[9] $ 8,779 [8],[10] $ 13,995 14,310
Investment, Identifier [Axis]: CompareNetworks Topco, LLC | Preferred Member Units        
Schedule of Investments [Line Items]        
Units (in shares) 2,250 [9] 2,250 [10]    
Cost $ 3,520 [3],[9] $ 3,520 [6],[10]    
Fair value $ 3,900 [7],[9] $ 7,650 [8],[10] $ 10,610 11,260
Investment, Identifier [Axis]: CompareNetworks Topco, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 14.79% [9],[31] 12.98% [10] 13.48%  
Spread (as a percent) 11.00% [29],[31]   9.00%  
Principal $ 4,000 [3],[9],[31] $ 4,037 [6],[10]    
Cost 3,995 [3],[9],[31] 4,031 [6],[10]    
Fair value $ 3,936 [7],[9],[31] $ 4,031 [8],[10] $ 2,700 2,903
Investment, Identifier [Axis]: Compass Systems & Sales, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 7,454 [9] 7,454 [10]    
Cost $ 7,454 [3],[9] $ 7,454 [6],[10]    
Fair value 7,450 [7],[9] 7,180 [8],[10] 7,454 7,450
Investment, Identifier [Axis]: Compass Systems & Sales, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Principal 0 [3],[9],[30] 0 [6],[10],[33]    
Cost (14) [3],[9],[30] (15) [6],[10],[33]    
Fair value $ (14) [7],[9],[30] $ (15) [8],[10],[33] $ (19) (21)
Investment, Identifier [Axis]: Compass Systems & Sales, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 13.50% [9] 13.50% [10] 13.50%  
Principal $ 16,200 [3],[9] $ 17,200 [6],[10]    
Cost 16,115 [3],[9] 17,100 [6],[10]    
Fair value $ 15,976 [7],[9] $ 16,961 [8],[10] $ 17,076 17,067
Investment, Identifier [Axis]: Computer Data Source, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 15.00% [13],[15] 12.28% [14],[16],[34],[39]    
Spread (as a percent) [14],[16],[32],[34],[39]   8.25%    
PIK Rate 15.00% [13],[15],[25] 12.02% [14],[16],[34],[39]    
Principal $ 758 [3],[13],[15] $ 8,830 [6],[14],[16],[34],[39]    
Cost 736 [3],[13],[15] 8,800 [6],[14],[16],[34],[39]    
Fair value $ 736 [7],[13],[15] $ 8,393 [8],[14],[16],[34],[39]    
Investment, Identifier [Axis]: Computer Data Source, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.06% [13],[15],[31],[38] 12.02% [14],[16],[34]    
Spread (as a percent) 8.25% [13],[15],[29],[31],[38] 8.25% [14],[16],[32],[34]    
PIK Rate 12.06% [13],[15],[25],[31],[38] 12.02% [14],[16],[34]    
Principal $ 9,062 [3],[13],[15],[31],[38] $ 21,410 [6],[14],[16],[34]    
Cost 9,045 [3],[13],[15],[31],[38] 21,367 [6],[14],[16],[34]    
Fair value $ 7,767 [7],[13],[15],[31],[38] $ 20,352 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Computer Data Source, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate [13],[15],[31] 12.06%      
Spread (as a percent) [13],[15],[29],[31] 8.25%      
PIK Rate [13],[15],[25],[31] 12.06%      
Principal [3],[13],[15],[31] $ 22,022      
Cost [3],[13],[15],[31] 21,997      
Fair value [7],[13],[15],[31] $ 18,874      
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% [11],[17],[18],[35],[49] 12.49% [12],[19],[20],[36],[50]    
Cost $ 308 [3],[11],[17],[18],[35],[49] $ 308 [6],[12],[19],[20],[36],[50]    
Fair value $ 836 [7],[11],[17],[18],[35],[49] $ 24 [8],[12],[19],[20],[36],[50] 2,276 2,276
Investment, Identifier [Axis]: Connect Telecommunications Solutions Holdings, Inc. | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 22,304 [11],[17],[23] 22,304 [12],[19],[24]    
Cost $ 12,596 [3],[11],[17],[23] $ 12,596 [6],[12],[19],[24]    
Fair value $ 12,596 [7],[11],[17],[23] $ 12,596 [8],[12],[19],[24] $ 12,596 12,596
Investment, Identifier [Axis]: Connect Telecommunications Solutions Holdings, Inc. | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 13.00% [11],[17],[23] 13.00% [12],[19],[24] 13.00%  
Principal $ 23,436 [3],[11],[17],[23] $ 24,336 [6],[12],[19],[24]    
Cost 23,271 [3],[11],[17],[23] 24,153 [6],[12],[19],[24]    
Fair value $ 23,271 [7],[11],[17],[23] $ 24,153 [8],[12],[19],[24] $ 27,329 27,315
Investment, Identifier [Axis]: Copper Trail Fund Investments | LP Interests (CTMH, LP)        
Schedule of Investments [Line Items]        
Units (as a percent) 38.75% [9],[17],[18],[49] 38.75% [10],[19],[20],[50]    
Cost $ 390 [3],[9],[17],[18],[49] $ 390 [6],[10],[19],[20],[50]    
Fair value $ 530 [7],[9],[17],[18],[49] $ 390 [8],[10],[19],[20],[50] 515 500
Investment, Identifier [Axis]: Core Transformers | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 626,923 [13],[15] 626,923 [14],[16]    
Cost $ 627 [3],[13],[15] $ 627 [6],[14],[16]    
Fair value $ 1,030 [7],[13],[15] $ 627 [8],[14],[16]    
Investment, Identifier [Axis]: Core Transformers | Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 5.50% [13],[15],[29],[30],[31] 5.50% [14],[16],[32],[33],[34]    
Principal $ 0 [3],[13],[15],[30],[31] $ 0 [6],[14],[16],[33],[34]    
Cost (57) [3],[13],[15],[30],[31] (59) [6],[14],[16],[33],[34]    
Fair value $ (57) [7],[13],[15],[30],[31] $ (59) [8],[14],[16],[33],[34]    
Investment, Identifier [Axis]: Core Transformers | Secured Debt 2        
Schedule of Investments [Line Items]        
Spread (as a percent) 5.50% [13],[15],[29],[30],[31] 5.50% [14],[16],[32],[33],[34]    
Principal $ 0 [3],[13],[15],[30],[31] $ 0 [6],[14],[16],[33],[34]    
Cost (57) [3],[13],[15],[30],[31] (59) [6],[14],[16],[33],[34]    
Fair value $ (57) [7],[13],[15],[30],[31] $ (59) [8],[14],[16],[33],[34]    
Investment, Identifier [Axis]: Core Transformers | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 9.18% [13],[15],[31] 9.23% [14],[16],[34]    
Spread (as a percent) 5.50% [13],[15],[29],[31] 5.50% [14],[16],[32],[34]    
Principal $ 6,269 [3],[13],[15],[31] $ 6,269 [6],[14],[16],[34]    
Cost 6,156 [3],[13],[15],[31] 6,151 [6],[14],[16],[34]    
Fair value $ 6,269 [7],[13],[15],[31] $ 6,151 [8],[14],[16],[34]    
Investment, Identifier [Axis]: CoreStack, Inc. | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [13],[15] 10.00%      
PIK Rate [13],[15],[25] 10.00%      
Principal [3],[13],[15] $ 1,378      
Cost [3],[13],[15] 1,378      
Fair value [7],[13],[15] 1,378      
Investment, Identifier [Axis]: CoreStack, Inc. | Secured Debt 2        
Schedule of Investments [Line Items]        
Principal [3],[13],[15] 13,089      
Cost [3],[13],[15] 13,089      
Fair value [7],[13],[15] $ 13,089      
Investment, Identifier [Axis]: Coregistics Buyer LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 10.17% [13],[15],[17],[23],[31] 10.32% [14],[16],[19],[24],[34]    
Spread (as a percent) 6.50% [13],[15],[17],[23],[29],[31] 6.50% [14],[16],[19],[24],[32],[34]    
Principal $ 1,669 [3],[13],[15],[17],[23],[31] $ 1,669 [6],[14],[16],[19],[24],[34]    
Cost 1,612 [3],[13],[15],[17],[23],[31] 1,608 [6],[14],[16],[19],[24],[34]    
Fair value $ 1,650 [7],[13],[15],[17],[23],[31] $ 1,656 [8],[14],[16],[19],[24],[34]    
Investment, Identifier [Axis]: Coregistics Buyer LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.17% [13],[15],[17],[23],[31] 10.34% [14],[16],[19],[24],[34]    
Spread (as a percent) 6.50% [13],[15],[17],[23],[29],[31] 6.50% [14],[16],[19],[24],[32],[34]    
Principal $ 10,543 [3],[13],[15],[17],[23],[31] $ 10,570 [6],[14],[16],[19],[24],[34]    
Cost 10,378 [3],[13],[15],[17],[23],[31] 10,391 [6],[14],[16],[19],[24],[34]    
Fair value $ 10,424 [7],[13],[15],[17],[23],[31] $ 10,484 [8],[14],[16],[19],[24],[34]    
Investment, Identifier [Axis]: Coregistics Buyer LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 10.42% [13],[15],[17],[23],[31] 10.59% [14],[16],[19],[24],[34]    
Spread (as a percent) 6.75% [13],[15],[17],[23],[29],[31] 6.75% [14],[16],[19],[24],[32],[34]    
Principal $ 31,709 [3],[13],[15],[17],[23],[31] $ 31,790 [6],[14],[16],[19],[24],[34]    
Cost 31,196 [3],[13],[15],[17],[23],[31] 31,236 [6],[14],[16],[19],[24],[34]    
Fair value $ 30,982 [7],[13],[15],[17],[23],[31] $ 31,678 [8],[14],[16],[19],[24],[34]    
Investment, Identifier [Axis]: Coregistics Buyer LLC | Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 10.16% [13],[15],[17],[23],[31] 10.37% [14],[16],[19],[24],[34]    
Spread (as a percent) 6.50% [13],[15],[17],[23],[29],[31] 6.50% [14],[16],[19],[24],[32],[34]    
Principal $ 7,029 [3],[13],[15],[17],[23],[31] $ 7,047 [6],[14],[16],[19],[24],[34]    
Cost 6,935 [3],[13],[15],[17],[23],[31] 6,945 [6],[14],[16],[19],[24],[34]    
Fair value $ 6,949 [7],[13],[15],[17],[23],[31] $ 6,989 [8],[14],[16],[19],[24],[34]    
Investment, Identifier [Axis]: Creative Foam Corporation | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 10,851 [13],[15] 10,851 [14],[16]    
Cost $ 1,085 [3],[13],[15] $ 1,085 [6],[14],[16]    
Fair value $ 680 [7],[13],[15] $ 860 [8],[14],[16]    
Investment, Identifier [Axis]: Creative Foam Corporation | Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 7.00% [13],[15],[29],[30],[31] 6.75% [14],[16],[32],[33],[34]    
Principal $ 0 [3],[13],[15],[30],[31] $ 0 [6],[14],[16],[33],[34]    
Cost (171) [3],[13],[15],[30],[31] (184) [6],[14],[16],[33],[34]    
Fair value $ (171) [7],[13],[15],[30],[31] $ (184) [8],[14],[16],[33],[34]    
Investment, Identifier [Axis]: Creative Foam Corporation | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.65% [13],[15],[31] 10.69% [14],[16],[34]    
Spread (as a percent) 7.00% [13],[15],[29],[31] 6.75% [14],[16],[32],[34]    
Principal $ 5,531 [3],[13],[15],[31] $ 5,531 [6],[14],[16],[34]    
Cost 5,442 [3],[13],[15],[31] 5,435 [6],[14],[16],[34]    
Fair value $ 5,531 [7],[13],[15],[31] $ 5,531 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Creative Foam Corporation | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 10.70% [13],[15],[31] 10.44% [14],[16],[34]    
Spread (as a percent) 7.00% [13],[15],[29],[31] 6.75% [14],[16],[32],[34]    
Principal $ 88,683 [3],[13],[15],[31] $ 88,683 [6],[14],[16],[34]    
Cost 87,514 [3],[13],[15],[31] 87,428 [6],[14],[16],[34]    
Fair value $ 88,683 [7],[13],[15],[31] $ 88,683 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Cybermedia Technologies, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 2,400,000 [9] 2,400,000 [10]    
Cost $ 2,400 [3],[9] $ 2,400 [6],[10]    
Fair value $ 6,910 [7],[9] $ 6,340 [8],[10]    
Investment, Identifier [Axis]: Cybermedia Technologies, LLC | Preferred Member Units        
Schedule of Investments [Line Items]        
Units (in shares) 556 [9] 556 [10]    
Cost $ 15,000 [3],[9] $ 15,000 [6],[10]    
Fair value 4,050 [7],[9] 0 [8],[10] 9,020 15,000
Investment, Identifier [Axis]: Cybermedia Technologies, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Principal 0 [3],[9],[30] 0 [6],[10],[33]    
Cost 0 [3],[9],[30] 0 [6],[10],[33]    
Fair value $ 0 [7],[9],[30] $ 0 [8],[10],[33] $ 0 0
Investment, Identifier [Axis]: Cybermedia Technologies, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 13.00% [9] 13.00% [10] 13.00%  
Principal $ 26,810 [3],[9] $ 27,210 [6],[10]    
Cost 26,697 [3],[9] 27,082 [6],[10]    
Fair value $ 26,692 [7],[9] $ 27,076 [8],[10] $ 26,622 27,116
Investment, Identifier [Axis]: DMA Industries, LLC | Preferred Equity 1        
Schedule of Investments [Line Items]        
Units (in shares) 5,944 [11] 5,944 [12]    
Cost $ 5,944 [3],[11] $ 5,944 [6],[12]    
Fair value 13,674 [7],[11] 9,174 [8],[12] $ 5,944 5,944
Investment, Identifier [Axis]: DMA Industries, LLC | Preferred Equity 1.1        
Schedule of Investments [Line Items]        
Fair value $ 13,674 9,174    
Investment, Identifier [Axis]: DMA Industries, LLC | Preferred Equity 1.2        
Schedule of Investments [Line Items]        
Total Rate 15.00%      
PIK Rate 15.00%      
Fair value $ 7,883 $ 5,424    
Investment, Identifier [Axis]: DMA Industries, LLC | Preferred Equity 2        
Schedule of Investments [Line Items]        
Units (in shares) 3,068 [11],[35] 3,068 [12],[36]    
Total Rate 15.00% [11],[35] 15.00% [12],[36] 15.00%  
PIK Rate 15.00% [11],[25],[35] 15.00% [12],[26],[36] 15.00%  
Cost $ 3,893 [3],[11],[35] $ 3,754 [6],[12],[36]    
Fair value $ 7,883 [7],[11],[35] $ 5,424 [8],[12],[36] $ 3,360 3,240
Investment, Identifier [Axis]: DMA Industries, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 10.00% [11] 10.00% [12] 12.00%  
Principal $ 560 [3],[11] $ 560 [6],[12]    
Cost 556 [3],[11] 556 [6],[12]    
Fair value $ 560 [7],[11] 560 [8],[12] $ 16,726 16,722
Investment, Identifier [Axis]: DMA Industries, LLC | Secured Debt 1.1        
Schedule of Investments [Line Items]        
Total Rate 10.00%      
Fair value $ 12,800 12,800    
Investment, Identifier [Axis]: DMA Industries, LLC | Secured Debt 1.2        
Schedule of Investments [Line Items]        
Total Rate 10.00%      
Fair value $ 560 $ 560    
Investment, Identifier [Axis]: DMA Industries, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.00% [11] 10.00% [12] 12.00%  
Principal $ 12,800 [3],[11] $ 12,800 [6],[12]    
Cost 12,757 [3],[11] 12,754 [6],[12]    
Fair value $ 12,800 [7],[11] $ 12,800 [8],[12] $ 555 555
Investment, Identifier [Axis]: DTE Enterprises, LLC | Class A Preferred Member Units        
Schedule of Investments [Line Items]        
Units (in shares) [14],[16]   776,316    
Total Rate [14],[16]   8.00%    
PIK Rate [14],[16],[26]   8.00%    
Investment, Identifier [Axis]: DTE Enterprises, LLC | Class AA Preferred Member Units (non-voting)        
Schedule of Investments [Line Items]        
Total Rate [14],[16]   10.00%    
PIK Rate [14],[16],[26]   10.00%    
Cost [6],[14],[16]   $ 1,316    
Fair value [8],[14],[16]   $ 0    
Investment, Identifier [Axis]: Dalton US Inc. | Common Stock        
Schedule of Investments [Line Items]        
Units (in shares) 515 [13],[15] 515 [14],[16]    
Cost $ 720 [3],[13],[15] $ 720 [6],[14],[16]    
Fair value $ 650 [7],[13],[15] $ 650 [8],[14],[16]    
Investment, Identifier [Axis]: Datacom, LLC | Preferred Member Units        
Schedule of Investments [Line Items]        
Units (in shares) 9,360 [9] 9,360 [10]    
Cost $ 2,970 [3],[9] $ 2,970 [6],[10]    
Fair value $ 0 [7],[9] $ 0 [8],[10] $ 240 240
Investment, Identifier [Axis]: Datacom, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 7.50% [9],[48] 7.50% [10] 7.50%  
Principal $ 675 [3],[9],[48] $ 675 [6],[10]    
Cost 675 [3],[9],[48] 675 [6],[10]    
Fair value $ 675 [7],[9],[48] $ 675 [8],[10] $ 944 493
Investment, Identifier [Axis]: Datacom, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.00% [9],[48] 10.00% [10] 10.00%  
Principal $ 7,745 [3],[9],[48] $ 7,812 [6],[10]    
Cost 7,745 [3],[9],[48] 7,812 [6],[10]    
Fair value $ 3,086 [7],[9],[48] $ 4,169 [8],[10] $ 7,914 7,947
Investment, Identifier [Axis]: Digital Products Holdings LLC | Preferred Member Units        
Schedule of Investments [Line Items]        
Units (in shares) 3,857 [9],[35] 3,857 [10],[36]    
Cost $ 9,501 [3],[9],[35] $ 9,501 [6],[10],[36]    
Fair value $ 9,835 [7],[9],[35] $ 9,835 [8],[10],[36] $ 9,835 9,835
Investment, Identifier [Axis]: Digital Products Holdings LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 13.69% [9],[31] 13.88% [10],[34] 14.38%  
Spread (as a percent) 10.00% [9],[29],[31] 10.00% [10],[32],[34] 10.00%  
Principal $ 11,957 [3],[9],[31] $ 11,957 [6],[10],[34]    
Cost 11,953 [3],[9],[31] 11,943 [6],[10],[34]    
Fair value $ 11,348 [7],[9],[31] $ 11,338 [8],[10],[34] $ 12,104 12,422
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc. | Preferred Stock        
Schedule of Investments [Line Items]        
Units (in shares) 9,936 [9] 8,400 [10]    
Cost $ 13,040 [3],[9] $ 8,400 [6],[10]    
Fair value 28,834 [7],[9] $ 19,760 [8],[10] 18,470 17,930
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc. | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [10]   14.00%    
Principal 0 [3],[9],[30] $ 1,785 [6],[10]    
Cost (30) [3],[9],[30] 1,783 [6],[10]    
Fair value 0 [7],[9],[30] 1,785 [8],[10] $ 0 0
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc. | Secured Debt 1.1        
Schedule of Investments [Line Items]        
Fair value 0 1,785    
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc. | Secured Debt 1.2        
Schedule of Investments [Line Items]        
Fair value $ 0 23,082    
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc. | Secured Debt 1.3        
Schedule of Investments [Line Items]        
Total Rate 14.00%      
Fair value $ 43,857 $ 0    
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc. | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 14.00% [9] 14.00% [10] 14.00%  
Principal $ 43,857 [3],[9] $ 23,082 [6],[10]    
Cost 43,519 [3],[9] 23,079 [6],[10]    
Fair value $ 43,857 [7],[9] $ 23,082 [8],[10] $ 23,492 23,902
Investment, Identifier [Axis]: Doral Holdings, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 13,000 [9],[35] 13,000 [10]    
Cost $ 13,000 [3],[9],[35] $ 13,000 [6],[10]    
Fair value $ 24,200 [7],[9],[35] 15,740 [8],[10]    
Investment, Identifier [Axis]: Doral Holdings, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 13.00%      
Fair value $ 22,500 26,270    
Investment, Identifier [Axis]: Doral Holdings, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Principal 0 [3],[9],[30] 0 [6],[10],[33]    
Cost 0 [3],[9],[30] 0 [6],[10],[33]    
Fair value $ 0 [7],[9],[30] $ 0 [8],[10],[33]    
Investment, Identifier [Axis]: Doral Holdings, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 13.00% [9] 13.00% [10]    
Principal $ 22,500 [3],[9] $ 26,500 [6],[10]    
Cost 22,316 [3],[9] 26,270 [6],[10]    
Fair value $ 22,500 [7],[9] $ 26,270 [8],[10]    
Investment, Identifier [Axis]: Dos Rios Partners | LP Interests (Dos Rios Partners - A, LP)        
Schedule of Investments [Line Items]        
Units (as a percent) 6.43% [11],[17],[18],[49] 6.43% [12],[19],[20],[50]    
Cost $ 1,915 [3],[11],[17],[18],[49] $ 1,915 [6],[12],[19],[20],[50]    
Fair value $ 2,549 [7],[11],[17],[18],[49] $ 2,549 [8],[12],[19],[20],[50] 2,447 2,447
Investment, Identifier [Axis]: Dos Rios Partners | LP Interests (Dos Rios Partners, LP)        
Schedule of Investments [Line Items]        
Units (as a percent) 20.24% [11],[17],[18],[49] 20.24% [12],[19],[20],[50]    
Cost $ 6,032 [3],[11],[17],[18],[49] $ 6,032 [6],[12],[19],[20],[50]    
Fair value $ 8,027 [7],[11],[17],[18],[49] $ 8,027 [8],[12],[19],[20],[50] 7,708 7,708
Investment, Identifier [Axis]: Dos Rios Stone Products LLC | Class A Preferred Units        
Schedule of Investments [Line Items]        
Units (in shares) 2,000,000 [11],[15],[44] 2,000,000 [12],[16],[45]    
Cost $ 2,000 [3],[11],[15],[44] $ 2,000 [6],[12],[16],[45]    
Fair value $ 0 [7],[11],[15],[44] $ 0 [8],[12],[16],[45] 0 0
Investment, Identifier [Axis]: Dreyfus Government Cash Management        
Schedule of Investments [Line Items]        
Total Rate 3.54% 3.70%    
Cash and cash equivalent, Cost [3],[51] $ 3,968      
Cash and cash equivalents, Fair Value [7],[51] $ 3,968      
Investment, Identifier [Axis]: Dreyfus Government Cash Management        
Schedule of Investments [Line Items]        
Cash and cash equivalent, Cost [6],[52]   $ 1,227    
Cash and cash equivalents, Fair Value [8],[52]   $ 1,227    
Investment, Identifier [Axis]: Dynamic Communities, LLC | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 1,250,000 [13],[15] 1,250,000 [14],[16]    
Cost $ 0 [3],[13],[15] $ 0 [6],[14],[16]    
Fair value $ 0 [7],[13],[15] $ 0 [8],[14],[16]    
Investment, Identifier [Axis]: Dynamic Communities, LLC | Preferred Equity 1        
Schedule of Investments [Line Items]        
Units (in shares) 125,000 [13],[15] 125,000 [14],[16]    
Cost $ 128 [3],[13],[15] $ 128 [6],[14],[16]    
Fair value $ 110 [7],[13],[15] $ 110 [8],[14],[16]    
Investment, Identifier [Axis]: Dynamic Communities, LLC | Preferred Equity 2        
Schedule of Investments [Line Items]        
Units (in shares) 2,376,241 [13],[15] 2,376,241 [14],[16]    
Cost $ 0 [3],[13],[15] $ 0 [6],[14],[16]    
Fair value $ 0 [7],[13],[15] $ 0 [8],[14],[16]    
Investment, Identifier [Axis]: Dynamic Communities, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 11.77% [13],[15],[31] 11.82% [14],[16],[34]    
Spread (as a percent) 8.00% [13],[15],[29],[31] 8.00% [14],[16],[32],[34]    
PIK Rate 11.77% [13],[15],[25],[31] 11.82% [14],[16],[26],[34]    
Principal $ 2,689 [3],[13],[15],[31] $ 2,612 [6],[14],[16],[34]    
Cost 2,610 [3],[13],[15],[31] 2,507 [6],[14],[16],[34]    
Fair value $ 2,689 [7],[13],[15],[31] $ 2,612 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Dynamic Communities, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.77% [13],[15],[31] 12.82% [14],[16],[34]    
Spread (as a percent) 9.00% [13],[15],[29],[31] 9.00% [14],[16],[32],[34]    
Principal $ 2,493 [3],[13],[15],[31] $ 2,493 [6],[14],[16],[34]    
Cost 2,259 [3],[13],[15],[31] 2,259 [6],[14],[16],[34]    
Fair value $ 2,463 [7],[13],[15],[31] $ 2,463 [8],[14],[16],[34]    
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 [11],[17],[18],[35] 5,000,000 [12],[19],[20],[36]    
Cost $ 84 [3],[11],[17],[18],[35] $ 84 [6],[12],[19],[20],[36]    
Fair value $ 37 [7],[11],[17],[18],[35] $ 37 [8],[12],[19],[20],[36] 369 369
Investment, Identifier [Axis]: EWMW LP | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 9.69% [13],[17],[18] 9.87% [14],[19],[20]    
Spread (as a percent) 6.00% [13],[17],[18],[29] 6.00% [14],[19],[20],[32]    
Principal $ 3,048 [3],[13],[17],[18] $ 3,144 [6],[14],[19],[20]    
Cost 3,048 [3],[13],[17],[18] 3,144 [6],[14],[19],[20]    
Fair value $ 3,048 [7],[13],[17],[18] $ 3,144 [8],[14],[19],[20]    
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [14],[16],[34],[39]   9.75%    
Spread (as a percent) [14],[16],[32],[34],[39]   5.75%    
Principal [6],[14],[16],[34],[39]   $ 3,946    
Cost [6],[14],[16],[34],[39]   3,819    
Fair value [8],[14],[16],[34],[39]   $ 3,946    
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate [14],[16],[34]   9.84%    
Spread (as a percent) [14],[16],[32],[34]   5.75%    
Principal [6],[14],[16],[34]   $ 2,984    
Cost [6],[14],[16],[34]   2,927    
Fair value [8],[14],[16],[34]   $ 2,984    
Investment, Identifier [Axis]: Electro Technical Industries, LLC | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 1,464,286 [13],[15] 1,464,286 [14],[16]    
Cost $ 1,464 [3],[13],[15] $ 1,464 [6],[14],[16]    
Fair value $ 3,240 [7],[13],[15] $ 2,220 [8],[14],[16]    
Investment, Identifier [Axis]: Electro Technical Industries, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 5.50% [13],[15],[29],[30],[31] 5.50% [14],[16],[32],[33],[34]    
Principal $ 0 [3],[13],[15],[30],[31] $ 0 [6],[14],[16],[33],[34]    
Cost (140) [3],[13],[15],[30],[31] (149) [6],[14],[16],[33],[34]    
Fair value $ (140) [7],[13],[15],[30],[31] $ (149) [8],[14],[16],[33],[34]    
Investment, Identifier [Axis]: Electro Technical Industries, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.18% [13],[15],[31] 9.22% [14],[16],[34]    
Spread (as a percent) 5.50% [13],[15],[29],[31] 5.50% [14],[16],[32],[34]    
Principal $ 49,837 [3],[13],[15],[31] $ 50,156 [6],[14],[16],[34]    
Cost 49,047 [3],[13],[15],[31] 49,312 [6],[14],[16],[34]    
Fair value $ 49,837 [7],[13],[15],[31] $ 50,156 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Elgin AcquireCo, LLC | Common Stock 1        
Schedule of Investments [Line Items]        
Units (in shares) 285 [9] 285 [10]    
Cost $ 5,726 [3],[9] $ 5,726 [6],[10]    
Fair value $ 5,190 [7],[9] $ 5,050 [8],[10] 5,040 5,730
Investment, Identifier [Axis]: Elgin AcquireCo, LLC | Common Stock 2        
Schedule of Investments [Line Items]        
Units (in shares) 939 [9],[44] 939 [10],[45]    
Cost $ 1,558 [3],[9],[44] $ 1,558 [6],[10],[45]    
Fair value $ 3,330 [7],[9],[44] $ 3,270 [8],[10],[45] $ 3,100 3,050
Investment, Identifier [Axis]: Elgin AcquireCo, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 6.00% [9],[29],[30],[31] 6.00% [10],[32],[33],[34] 6.00%  
Principal $ 0 [3],[9],[30],[31] $ 0 [6],[10],[33],[34]    
Cost (2) [3],[9],[30],[31] (3) [6],[10],[33],[34]    
Fair value $ (2) [7],[9],[30],[31] $ (3) [8],[10],[33],[34] $ (5) (5)
Investment, Identifier [Axis]: Elgin AcquireCo, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.00% [9] 12.00% [10] 12.00%  
Principal $ 16,661 [3],[9] $ 16,778 [6],[10]    
Cost 16,611 [3],[9] 16,719 [6],[10]    
Fair value $ 16,611 [7],[9] $ 16,719 [8],[10] $ 17,908 17,969
Investment, Identifier [Axis]: Elgin AcquireCo, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 9.00% [9] 9.00% [10] 9.00%  
Principal $ 6,198 [3],[9] $ 6,212 [6],[10]    
Cost 6,143 [3],[9] 6,156 [6],[10]    
Fair value $ 6,143 [7],[9] $ 6,156 [8],[10] $ 6,195 6,207
Investment, Identifier [Axis]: Emerald Technologies Acquisition Co, Inc. | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 10.10% [13],[21],[31] 10.22% [14],[22],[34]    
Spread (as a percent) 6.25% [13],[21],[29],[31] 6.25% [14],[22],[32],[34]    
Principal $ 9,330 [3],[13],[21],[31] $ 9,330 [6],[14],[22],[34]    
Cost 9,242 [3],[13],[21],[31] 9,229 [6],[14],[22],[34]    
Fair value $ 5,726 [7],[13],[21],[31] $ 5,878 [8],[14],[22],[34]    
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) [14],[19],[20],[36],[50]   0.10%    
Cost [6],[14],[19],[20],[36],[50]   $ 3,187    
Fair value [8],[14],[19],[20],[36],[50]   $ 1,056    
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) [14],[19],[20],[36],[50]   0.38%    
Cost [6],[14],[19],[20],[36],[50]   $ 1,394    
Fair value [8],[14],[19],[20],[36],[50]   $ 5    
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) [14],[19],[20],[36],[50]   0.14%    
Cost [6],[14],[19],[20],[36],[50]   $ 2,613    
Fair value [8],[14],[19],[20],[36],[50]   $ 130    
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) [14],[19],[20],[36],[50]   0.15%    
Cost [6],[14],[19],[20],[36],[50]   $ 6,975    
Fair value [8],[14],[19],[20],[36],[50]   $ 4,674    
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) [14],[19],[20],[36],[50]   0.19%    
Cost [6],[14],[19],[20],[36],[50]   $ 7,370    
Fair value [8],[14],[19],[20],[36],[50]   $ 7,731    
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) [14],[19],[20],[36],[50]   0.84%    
Cost [6],[14],[19],[20],[36],[50]   $ 3,799    
Fair value [8],[14],[19],[20],[36],[50]   $ 15    
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) [14],[19],[20],[36],[50]   0.25%    
Cost [6],[14],[19],[20],[36],[50]   $ 3,371    
Fair value [8],[14],[19],[20],[36],[50]   $ 1,947    
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) [13],[17],[18],[35],[49] 0.10%      
Cost [3],[13],[17],[18],[35],[49] $ 3,172      
Fair value [7],[13],[17],[18],[35],[49] $ 871      
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) [13],[17],[18],[35],[49] 0.38%      
Cost [3],[13],[17],[18],[35],[49] $ 1,394      
Fair value [7],[13],[17],[18],[35],[49] $ 5      
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) [13],[17],[18],[35],[49] 0.14%      
Cost [3],[13],[17],[18],[35],[49] $ 2,560      
Fair value [7],[13],[17],[18],[35],[49] $ 77      
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) [13],[17],[18],[35],[49] 0.15%      
Cost [3],[13],[17],[18],[35],[49] $ 6,995      
Fair value [7],[13],[17],[18],[35],[49] $ 4,202      
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) [13],[17],[18],[35],[49] 0.19%      
Cost [3],[13],[17],[18],[35],[49] $ 7,581      
Fair value [7],[13],[17],[18],[35],[49] $ 8,132      
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) [13],[17],[18],[35],[49] 0.84%      
Cost [3],[13],[17],[18],[35],[49] $ 3,799      
Fair value [7],[13],[17],[18],[35],[49] $ 15      
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) [13],[17],[18],[35],[49] 0.25%      
Cost [3],[13],[17],[18],[35],[49] $ 3,300      
Fair value [7],[13],[17],[18],[35],[49] $ 1,119      
Investment, Identifier [Axis]: Escalent, Inc. | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 649,794 [13],[15] 649,794 [14],[16]    
Cost $ 663 [3],[13],[15] $ 663 [6],[14],[16]    
Fair value $ 910 [7],[13],[15] $ 910 [8],[14],[16]    
Investment, Identifier [Axis]: Escalent, Inc. | Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 6.00% [13],[15],[29],[30],[31] 6.00% [14],[16],[32],[33],[34]    
Principal $ 0 [3],[13],[15],[30],[31] $ 0 [6],[14],[16],[33],[34]    
Cost (20) [3],[13],[15],[30],[31] (22) [6],[14],[16],[33],[34]    
Fair value $ 0 [7],[13],[15],[30],[31] $ 0 [8],[14],[16],[33],[34]    
Investment, Identifier [Axis]: Escalent, Inc. | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.70% [13],[15],[31] 9.67% [14],[16],[34]    
Spread (as a percent) 6.00% [13],[15],[29],[31] 6.00% [14],[16],[32],[34]    
Principal $ 1,344 [3],[13],[15],[31] $ 1,354 [6],[14],[16],[34]    
Cost 1,328 [3],[13],[15],[31] 1,337 [6],[14],[16],[34]    
Fair value $ 1,344 [7],[13],[15],[31] $ 1,354 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Escalent, Inc. | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 9.70% [13],[15],[31] 9.67% [14],[16],[34]    
Spread (as a percent) 6.00% [13],[15],[29],[31] 6.00% [14],[16],[32],[34]    
Principal $ 25,319 [3],[13],[15],[31] $ 25,517 [6],[14],[16],[34]    
Cost 24,927 [3],[13],[15],[31] 25,094 [6],[14],[16],[34]    
Fair value $ 25,319 [7],[13],[15],[31] $ 25,517 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Event Holdco, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [14],[16],[34]   10.93%    
Spread (as a percent) [14],[16],[32],[34]   7.00%    
Principal [6],[14],[16],[34]   $ 3,692    
Cost [6],[14],[16],[34]   3,685    
Fair value [8],[14],[16],[34]   $ 3,692    
Investment, Identifier [Axis]: Event Holdco, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [14],[16],[34]   10.93%    
Spread (as a percent) [14],[16],[32],[34]   7.00%    
Principal [6],[14],[16],[34]   $ 48,035    
Cost [6],[14],[16],[34]   47,948    
Fair value [8],[14],[16],[34]   48,035    
Investment, Identifier [Axis]: Event Holdco, LLC. | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [13],[15],[31] 10.96%      
Spread (as a percent) [13],[15],[29],[31] 7.00%      
Principal [3],[13],[15],[31] $ 3,692      
Cost [3],[13],[15],[31] 3,687      
Fair value [7],[13],[15],[31] $ 3,692      
Investment, Identifier [Axis]: Event Holdco, LLC. | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [13],[15],[31] 10.96%      
Spread (as a percent) [13],[15],[29],[31] 7.00%      
Principal [3],[13],[15],[31] $ 47,897      
Cost [3],[13],[15],[31] 47,832      
Fair value [7],[13],[15],[31] $ 47,897      
Investment, Identifier [Axis]: FCC Intermediate Holdco, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 13.00%   13.00%  
Fair value $ 30,750 31,160 $ 32,390 29,109
Investment, Identifier [Axis]: FCC Intermediate Holdco, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Principal 0 [3],[11],[30] 0 [6],[12],[33]    
Cost 0 [3],[11],[30] 0 [6],[12],[33]    
Fair value $ 0 [7],[11],[30] $ 0 [8],[12],[33]    
Investment, Identifier [Axis]: FCC Intermediate Holdco, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 13.00% [11] 13.00% [12]    
Principal $ 30,750 [3],[11] $ 31,160 [6],[12]    
Cost 28,269 [3],[11] 28,448 [6],[12]    
Fair value $ 30,750 [7],[11] $ 31,160 [8],[12]    
Investment, Identifier [Axis]: FCC Intermediate Holdco, LLC | Warrants        
Schedule of Investments [Line Items]        
Units (in shares) 12 [11],[35],[42] 12 [12],[36],[43]    
Cost $ 3,920 [3],[11],[35],[42] $ 3,920 [6],[12],[36],[43]    
Fair value $ 14,660 [7],[11],[35],[42] $ 15,140 [8],[12],[36],[43] 14,630 10,840
Investment, Identifier [Axis]: FRG AcquireCo, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 3,500 [11] 3,500 [12]    
Cost $ 3,500 [3],[11] $ 3,500 [6],[12]    
Fair value 3,500 [7],[11] 3,500 [8],[12]    
Investment, Identifier [Axis]: FRG AcquireCo, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Principal 0 [3],[11],[30] 0 [6],[12],[33]    
Cost (17) [3],[11],[30] (19) [6],[12],[33]    
Fair value $ (17) [7],[11],[30] $ (19) [8],[12],[33]    
Investment, Identifier [Axis]: FRG AcquireCo, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 13.50% [11] 13.00% [12]    
Principal $ 8,482 [3],[11] $ 10,500 [6],[12]    
Cost 8,407 [3],[11] 10,402 [6],[12]    
Fair value 8,407 [7],[11] 10,402 [8],[12]    
Investment, Identifier [Axis]: Fidelity Government Fund        
Schedule of Investments [Line Items]        
Cash and cash equivalent, Cost [3],[53] 1,230      
Cash and cash equivalents, Fair Value [7],[53] $ 1,230      
Investment, Identifier [Axis]: Fidelity Government Fund        
Schedule of Investments [Line Items]        
Cash and cash equivalent, Cost [6],[54]   1,171    
Cash and cash equivalents, Fair Value [8],[54]   $ 1,171    
Investment, Identifier [Axis]: Fidelity Treasury        
Schedule of Investments [Line Items]        
Total Rate 3.31% 3.43%    
Cash and cash equivalent, Cost [3],[55] $ 363      
Cash and cash equivalents, Fair Value [7],[55] $ 363      
Investment, Identifier [Axis]: Fidelity Treasury        
Schedule of Investments [Line Items]        
Cash and cash equivalent, Cost [6],[56]   $ 850    
Cash and cash equivalents, Fair Value [8],[56]   $ 850    
Investment, Identifier [Axis]: Flame King Holdings, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 9,360 [9],[35] 9,360 [10],[36]    
Cost $ 10,400 [3],[9],[35] $ 10,400 [6],[10],[36]    
Fair value $ 55,750 [7],[9],[35] 54,630 [8],[10],[36] 39,370 35,920
Investment, Identifier [Axis]: Flame King Holdings, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate [9] 12.00%      
Principal [3],[9] $ 66,000      
Cost [3],[9] 65,448      
Fair value $ 66,000 [7],[9] 66,000    
Investment, Identifier [Axis]: Flame King Holdings, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Principal [6],[10],[33]   0    
Cost [6],[10],[33]   0    
Fair value [8],[10],[33]   $ 0    
Investment, Identifier [Axis]: Flame King Holdings, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [10]   12.00%    
Principal [6],[10]   $ 66,000    
Cost [6],[10]   65,415    
Fair value [8],[10]   $ 66,000    
Investment, Identifier [Axis]: Freeport Financial Funds | LP Interests (Freeport Financial SBIC Fund LP)        
Schedule of Investments [Line Items]        
Units (as a percent) 9.30% [11],[17],[18],[49] 9.30% [12],[19],[20],[50]    
Cost $ 2,337 [3],[11],[17],[18],[49] $ 2,337 [6],[12],[19],[20],[50]    
Fair value $ 1,546 [7],[11],[17],[18],[49] $ 1,600 [8],[12],[19],[20],[50]    
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% [11],[17],[18],[49] 5.95% [12],[19],[20],[50]    
Cost $ 671 [3],[11],[17],[18],[49] $ 671 [6],[12],[19],[20],[50]    
Fair value $ 193 [7],[11],[17],[18],[49] $ 193 [8],[12],[19],[20],[50]    
Investment, Identifier [Axis]: Freeport Financial SBIC Fund LP | LP Interests (Freeport Financial SBIC Fund LP)        
Schedule of Investments [Line Items]        
Fair value     2,190 2,190
Investment, Identifier [Axis]: Freeport Financial SBIC Fund LP | LP Interests (Freeport First Lien Loan Fund III LP)        
Schedule of Investments [Line Items]        
Fair value     298 1,263
Investment, Identifier [Axis]: Fuse, LLC | Common Stock        
Schedule of Investments [Line Items]        
Units (in shares) [14],[22]   10,429    
Cost [6],[14],[22]   $ 256    
Fair value [8],[14],[22]   $ 0    
Investment, Identifier [Axis]: Fuse, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate [14],[22]   12.00%    
Principal [6],[14],[22]   $ 1,810    
Cost [6],[14],[22]   1,810    
Fair value [8],[14],[22]   $ 323    
Investment, Identifier [Axis]: Fuse, LLC. | Common Stock        
Schedule of Investments [Line Items]        
Units (in shares) [13],[21] 10,429      
Cost [3],[13],[21] $ 256      
Fair value [7],[13],[21] $ 0      
Investment, Identifier [Axis]: Fuse, LLC. | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate [13],[21] 2.50%      
Principal [3],[13],[21] $ 1,810      
Cost [3],[13],[21] 1,810      
Fair value [7],[13],[21] $ 141      
Investment, Identifier [Axis]: GFG Group, LLC | Preferred Member Units        
Schedule of Investments [Line Items]        
Units (in shares) 226 [11],[35] 226 [12],[36]    
Cost $ 4,900 [3],[11],[35] $ 4,900 [6],[12],[36]    
Fair value $ 10,940 [7],[11],[35] $ 10,940 [8],[12],[36] $ 9,610 10,540
Investment, Identifier [Axis]: GFG Group, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 8.00% [11] 8.00% [12] 8.00%  
Principal $ 14,053 [3],[11] $ 14,053 [6],[12]    
Cost 14,053 [3],[11] 14,050 [6],[12]    
Fair value $ 14,053 [7],[11] $ 14,053 [8],[12] $ 8,185 8,185
Investment, Identifier [Axis]: GRT Rubber Technologies LLC | Member Units        
Schedule of Investments [Line Items]        
Units (in shares) 5,879 [9],[35] 5,879 [10],[36]    
Cost $ 13,065 [3],[9],[35] $ 13,065 [6],[10],[36]    
Fair value $ 44,010 [7],[9],[35] $ 46,360 [8],[10],[36] $ 45,890 45,890
Investment, Identifier [Axis]: GRT Rubber Technologies LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 9.79% [9] 9.98% [10] 10.48%  
Spread (as a percent) 6.00% [9],[29] 6.00% [10],[32] 6.00%  
Principal $ 3,146 [3],[9] $ 3,146 [6],[10]    
Cost 3,144 [3],[9] 3,143 [6],[10]    
Fair value $ 3,146 [7],[9] $ 3,146 [8],[10] $ 3,146 3,146
Investment, Identifier [Axis]: GRT Rubber Technologies LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 11.79% [9] 11.98% [10] 12.48%  
Spread (as a percent) 8.00% [9],[29] 8.00% [10],[32] 8.00%  
Principal $ 40,493 [3],[9] $ 40,493 [6],[10]    
Cost 40,464 [3],[9] 40,452 [6],[10]    
Fair value $ 40,493 [7],[9] $ 40,493 [8],[10] $ 40,493 40,493
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 10.27% [13],[15],[31],[38] 10.48% [14],[16],[34],[39]    
Spread (as a percent) 6.50% [13],[15],[29],[31],[38] 6.50% [14],[16],[32],[34],[39]    
Principal $ 6,061 [3],[13],[15],[31],[38] $ 6,061 [6],[14],[16],[34],[39]    
Cost 6,047 [3],[13],[15],[31],[38] 6,042 [6],[14],[16],[34],[39]    
Fair value $ 6,061 [7],[13],[15],[31],[38] $ 6,061 [8],[14],[16],[34],[39]    
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.27% [13],[15],[31] 10.47% [14],[16],[34]    
Spread (as a percent) 6.50% [13],[15],[29],[31] 6.50% [14],[16],[32],[34]    
Principal $ 10,364 [3],[13],[15],[31] $ 10,392 [6],[14],[16],[34]    
Cost 10,328 [3],[13],[15],[31] 10,342 [6],[14],[16],[34]    
Fair value $ 10,364 [7],[13],[15],[31] $ 10,392 [8],[14],[16],[34]    
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 10.27% [13],[15],[31] 10.47% [14],[16],[34]    
Spread (as a percent) 6.50% [13],[15],[29],[31] 6.50% [14],[16],[32],[34]    
Principal $ 930 [3],[13],[15],[31] $ 932 [6],[14],[16],[34]    
Cost 927 [3],[13],[15],[31] 928 [6],[14],[16],[34]    
Fair value $ 930 [7],[13],[15],[31] $ 932 [8],[14],[16],[34]    
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC | Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 10.27% [13],[15],[31] 10.47% [14],[16],[34]    
Spread (as a percent) 6.50% [13],[15],[29],[31] 6.50% [14],[16],[32],[34]    
Principal $ 222 [3],[13],[15],[31] $ 223 [6],[14],[16],[34]    
Cost 221 [3],[13],[15],[31] 222 [6],[14],[16],[34]    
Fair value $ 222 [7],[13],[15],[31] $ 223 [8],[14],[16],[34]    
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC | Secured Debt 5        
Schedule of Investments [Line Items]        
Total Rate 10.27% [13],[15],[31] 10.47% [14],[16],[34]    
Spread (as a percent) 6.50% [13],[15],[29],[31] 6.50% [14],[16],[32],[34]    
Principal $ 5,996 [3],[13],[15],[31] $ 6,011 [6],[14],[16],[34]    
Cost 5,974 [3],[13],[15],[31] 5,981 [6],[14],[16],[34]    
Fair value $ 5,996 [7],[13],[15],[31] $ 6,011 [8],[14],[16],[34]    
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 10.77% [13],[15],[31],[38] 10.82% [14],[16],[34],[39]    
Spread (as a percent) 7.00% [13],[15],[29],[31],[38] 7.00% [14],[16],[32],[34],[39]    
Principal $ 353 [3],[13],[15],[31],[38] $ 454 [6],[14],[16],[34],[39]    
Cost 344 [3],[13],[15],[31],[38] 444 [6],[14],[16],[34],[39]    
Fair value $ 330 [7],[13],[15],[31],[38] $ 420 [8],[14],[16],[34],[39]    
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.78% [13],[15],[31] 10.83% [14],[16],[34]    
Spread (as a percent) 7.00% [13],[15],[29],[31] 7.00% [14],[16],[32],[34]    
Principal $ 294 [3],[13],[15],[31] $ 295 [6],[14],[16],[34]    
Cost 286 [3],[13],[15],[31] 286 [6],[14],[16],[34]    
Fair value $ 275 [7],[13],[15],[31] $ 273 [8],[14],[16],[34]    
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 10.77% [13],[15],[31] 10.82% [14],[16],[34]    
Spread (as a percent) 7.00% [13],[15],[29],[31] 7.00% [14],[16],[32],[34]    
Principal $ 3,533 [3],[13],[15],[31] $ 3,542 [6],[14],[16],[34]    
Cost 3,496 [3],[13],[15],[31] 3,502 [6],[14],[16],[34]    
Fair value $ 3,301 [7],[13],[15],[31] $ 3,266 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) [10],[45]   532    
Cost [6],[10],[45]   $ 396    
Fair value [8],[10],[45]   $ 396    
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC | Member Units        
Schedule of Investments [Line Items]        
Units (in shares) [10],[36]   9,042    
Cost [6],[10],[36]   $ 17,692    
Fair value   113,810 [8],[10],[36] $ 114,750 114,750
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC | Member Units 1        
Schedule of Investments [Line Items]        
Units (in shares) [9],[35] 9,042      
Cost [3],[9],[35] $ 17,692      
Fair value $ 117,830 [7],[9],[35] 113,810    
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC | Member Units 2        
Schedule of Investments [Line Items]        
Units (in shares) [9],[44] 408      
Cost [3],[9],[44] $ 304      
Fair value $ 304 [7],[9],[44] $ 396    
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [9],[31],[57] 11.19%      
Spread (as a percent) 7.50% [9],[29],[31],[57] 7.50% [10],[32],[33],[34],[58] 7.50%  
Principal $ 1,600 [3],[9],[31],[57] $ 0 [6],[10],[33],[34],[58]    
Cost 1,600 [3],[9],[31],[57] 0 [6],[10],[33],[34],[58]    
Fair value $ 1,600 [7],[9],[31],[57] $ 0 [8],[10],[33],[34],[58] $ 0 0
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 11.19% [9],[31],[57] 11.38% [10],[34],[58] 11.50%  
Spread (as a percent) 7.50% [9],[29],[31],[57] 7.50% [10],[32],[34],[58] 7.50%  
Principal $ 74,966 [3],[9],[31],[57] $ 70,526 [6],[10],[34],[58]    
Cost 74,864 [3],[9],[31],[57] 70,436 [6],[10],[34],[58]    
Fair value $ 74,966 [7],[9],[31],[57] $ 70,526 [8],[10],[34],[58] $ 73,126 73,126
Investment, Identifier [Axis]: Garreco, LLC | Member Units        
Schedule of Investments [Line Items]        
Units (in shares) 1,200 [9] 1,200 [10]    
Cost $ 1,200 [3],[9] $ 1,200 [6],[10]    
Fair value $ 1,720 [7],[9] $ 1,830 [8],[10] 1,830 2,060
Investment, Identifier [Axis]: Garyline, LLC | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) [14],[16]   705,882    
Cost [6],[14],[16]   $ 706    
Fair value [8],[14],[16]   $ 450    
Investment, Identifier [Axis]: Garyline, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) [14],[16],[32],[33],[34]   7.25%    
Principal [6],[14],[16],[33],[34]   $ 0    
Cost [6],[14],[16],[33],[34]   (71)    
Fair value [8],[14],[16],[33],[34]   $ 0    
Investment, Identifier [Axis]: Garyline, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [14],[16],[34]   10.98%    
Spread (as a percent) [14],[16],[32],[34]   7.25%    
Principal [6],[14],[16],[34]   $ 28,606    
Cost [6],[14],[16],[34]   28,203    
Fair value [8],[14],[16],[34]   $ 28,606    
Investment, Identifier [Axis]: Garyline, LLC. | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [13],[15],[31],[38] 10.92%      
Spread (as a percent) [13],[15],[29],[31],[38] 7.25%      
Principal [3],[13],[15],[31],[38] $ 2,053      
Cost [3],[13],[15],[31],[38] 1,992      
Fair value [7],[13],[15],[31],[38] $ 2,053      
Investment, Identifier [Axis]: Garyline, LLC. | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [13],[15],[31] 10.92%      
Spread (as a percent) [13],[15],[29],[31] 7.25%      
Principal [3],[13],[15],[31] $ 28,424      
Cost [3],[13],[15],[31] 28,075      
Fair value [7],[13],[15],[31] $ 28,424      
Investment, Identifier [Axis]: Garyline, LLC., Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) [13],[15] 705,882      
Cost [3],[13],[15] $ 706      
Fair value [7],[13],[15] $ 450      
Investment, Identifier [Axis]: GradeEight Corp. | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 1,653 [13],[15] 1,653 [14],[16]    
Cost $ 1,634 [3],[13],[15] $ 1,634 [6],[14],[16]    
Fair value $ 1,030 [7],[13],[15] $ 1,229 [8],[14],[16]    
Investment, Identifier [Axis]: GradeEight Corp. | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 11.18% [13],[15],[31],[38] 11.23% [14],[16],[34]    
Spread (as a percent) 7.50% [13],[15],[29],[31],[38] 7.50% [14],[16],[32],[34]    
Principal $ 903 [3],[13],[15],[31],[38] $ 853 [6],[14],[16],[34]    
Cost 833 [3],[13],[15],[31],[38] 778 [6],[14],[16],[34]    
Fair value $ 889 [7],[13],[15],[31],[38] $ 834 [8],[14],[16],[34]    
Investment, Identifier [Axis]: GradeEight Corp. | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 11.18% [13],[15],[31] 11.23% [14],[16],[34]    
Spread (as a percent) 7.50% [13],[15],[29],[31] 7.50% [14],[16],[32],[34]    
Principal $ 4,176 [3],[13],[15],[31] $ 4,176 [6],[14],[16],[34]    
Cost 4,096 [3],[13],[15],[31] 4,090 [6],[14],[16],[34]    
Fair value $ 4,096 [7],[13],[15],[31] $ 4,090 [8],[14],[16],[34]    
Investment, Identifier [Axis]: GradeEight Corp. | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 11.17% [13],[15],[31],[59] 11.31% [14],[16],[34],[60]    
Spread (as a percent) 7.50% [13],[15],[29],[31],[59] 7.25% [14],[16],[32],[34],[60]    
Principal $ 30,615 [3],[13],[15],[31],[59] $ 30,813 [6],[14],[16],[34],[60]    
Cost 30,184 [3],[13],[15],[31],[59] 30,347 [6],[14],[16],[34],[60]    
Fair value $ 29,972 [7],[13],[15],[31],[59] $ 30,135 [8],[14],[16],[34],[60]    
Investment, Identifier [Axis]: Gulf Manufacturing, LLC | Common Stock        
Schedule of Investments [Line Items]        
Units (in shares) 888 [11],[17],[23],[35],[44] 888 [12],[19],[24],[36],[45]    
Cost $ 888 [3],[11],[17],[23],[35],[44] $ 888 [6],[12],[19],[24],[36],[45]    
Fair value $ 1,450 [7],[11],[17],[23],[35],[44] $ 1,450 [8],[12],[19],[24],[36],[45] 1,020 888
Investment, Identifier [Axis]: Gulf Manufacturing, LLC | Member Units        
Schedule of Investments [Line Items]        
Units (in shares) 438 [11],[17],[23],[35] 438 [12],[19],[24],[36]    
Cost $ 2,980 [3],[11],[17],[23],[35] $ 2,980 [6],[12],[19],[24],[36]    
Fair value $ 6,500 [7],[11],[17],[23],[35] $ 6,600 [8],[12],[19],[24],[36] $ 14,730 14,730
Investment, Identifier [Axis]: Gulf Manufacturing, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 208 [11],[17],[23] 208 [12],[19],[24]    
Cost $ 2,077 [3],[11],[17],[23] $ 2,077 [6],[12],[19],[24]    
Fair value $ 5,190 [7],[11],[17],[23] $ 5,190 [8],[12],[19],[24]    
Investment, Identifier [Axis]: Gulf Manufacturing, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [11],[17],[23] 11.82%      
Spread (as a percent) 8.13% [11],[17],[23],[29] 8.13% [12],[19],[24],[32],[33] 7.63%  
Principal $ 3,000 [3],[11],[17],[23] $ 0 [6],[12],[19],[24],[33]    
Cost 2,971 [3],[11],[17],[23] (32) [6],[12],[19],[24],[33]    
Fair value $ 2,971 [7],[11],[17],[23] $ (32) [8],[12],[19],[24],[33] $ 0 0
Investment, Identifier [Axis]: Gulf Manufacturing, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 11.82% [11],[17],[23] 12.01% [12],[19],[24] 12.00%  
Spread (as a percent) 8.13% [11],[17],[23],[29] 8.13% [12],[19],[24],[32] 7.63%  
Principal $ 37,200 [3],[11],[17],[23] $ 37,700 [6],[12],[19],[24]    
Cost 36,367 [3],[11],[17],[23] 36,784 [6],[12],[19],[24]    
Fair value $ 36,367 [7],[11],[17],[23] $ 36,784 [8],[12],[19],[24] $ 38,500 39,000
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC | Member Units        
Schedule of Investments [Line Items]        
Fair value     0 0
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Fair value     $ 0 0
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent)     9.50%  
Fair value     $ 0 0
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate     12.50%  
PIK Rate     12.50%  
Fair value     $ 1,738 1,518
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 64,029 [13],[15] 64,029 [14],[16]    
Cost $ 0 [3],[13],[15] $ 0 [6],[14],[16]    
Fair value $ 0 [7],[13],[15] $ 0 [8],[14],[16]    
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 9.01% [13],[15],[27],[31] 9.01% [14],[16],[28],[34]    
Spread (as a percent) 3.50% [13],[27],[31] 3.50% [14],[16],[28],[32],[34]    
PIK Rate 2.50% [13],[15],[25],[27],[31] 2.50% [14],[16],[26],[28],[34]    
Principal $ 2,607 [3],[13],[15],[27],[31] $ 2,607 [6],[14],[16],[28],[34]    
Cost 2,557 [3],[13],[15],[27],[31] 2,557 [6],[14],[16],[28],[34]    
Fair value $ 1,964 [7],[13],[15],[27],[31] $ 2,272 [8],[14],[16],[28],[34]    
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 2.50% [13],[15],[27] 2.50% [14],[16],[28]    
PIK Rate 2.50% [13],[15],[25],[27] 2.50% [14],[16],[26],[28]    
Principal $ 1,626 [3],[13],[15],[27] $ 1,626 [6],[14],[16],[28]    
Cost 713 [3],[13],[15],[27] 713 [6],[14],[16],[28]    
Fair value $ 0 [7],[13],[15],[27] $ 0 [8],[14],[16],[28]    
Investment, Identifier [Axis]: HOWLCO LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 10.33% [13],[17],[21],[23],[31] 10.51% [14],[19],[22],[24],[34]    
Spread (as a percent) 6.50% [13],[17],[21],[23],[29],[31] 6.50% [14],[19],[22],[24],[32],[34]    
PIK Rate 3.50% [13],[17],[21],[23],[25],[31] 3.50% [14],[19],[22],[24],[26],[34]    
Principal $ 27,423 [3],[13],[17],[21],[23],[31] $ 27,185 [6],[14],[19],[22],[24],[34]    
Cost 27,423 [3],[13],[17],[21],[23],[31] 27,185 [6],[14],[19],[22],[24],[34]    
Fair value $ 26,578 [7],[13],[17],[21],[23],[31] $ 26,616 [8],[14],[19],[22],[24],[34]    
Investment, Identifier [Axis]: HPEP 3, L.P. | LP Interests (HPEP 3, L.P.)        
Schedule of Investments [Line Items]        
Fair value     4,462 4,472
Investment, Identifier [Axis]: HPEP 3, L.P. | LP Interests (HPEP 4, L.P.)        
Schedule of Investments [Line Items]        
Fair value     5,974 5,861
Investment, Identifier [Axis]: HPEP 423 COR, LP | LP Interests (423 COR, L.P.)        
Schedule of Investments [Line Items]        
Fair value     4,270 4,187
Investment, Identifier [Axis]: Harris Preston Fund Investments | LP Interests (2717 GRE-LP, L.P.)        
Schedule of Investments [Line Items]        
Units (as a percent) 43.05% [9],[17],[18],[49] 43.05% [10],[19],[20],[50]    
Cost $ 441 [3],[9],[17],[18],[49] $ 441 [6],[10],[19],[20],[50]    
Fair value $ 516 [7],[9],[17],[18],[49] $ 441 [8],[10],[19],[20],[50]    
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% [9],[17],[18],[35],[49] 49.26% [10],[19],[20],[50]    
Cost $ 256 [3],[9],[17],[18],[35],[49] $ 256 [6],[10],[19],[20],[50]    
Fair value $ 257 [7],[9],[17],[18],[35],[49] $ 447 [8],[10],[19],[20],[50]    
Investment, Identifier [Axis]: Harris Preston Fund Investments | LP Interests (2717 MH, L.P.)        
Schedule of Investments [Line Items]        
Units (as a percent) 49.26% [9],[17],[18],[49] 49.26% [10],[19],[20],[50]    
Cost $ 1,158 [3],[9],[17],[18],[49] $ 1,158 [6],[10],[19],[20],[50]    
Fair value $ 1,865 [7],[9],[17],[18],[49] $ 1,795 [8],[10],[19],[20],[50]    
Investment, Identifier [Axis]: Harris Preston Fund Investments | LP Interests (423 AER II, LP)        
Schedule of Investments [Line Items]        
Units (as a percent) 4.13% [13],[17],[18],[49] 4.13% [14],[19],[20],[50]    
Cost $ 1,590 [3],[13],[17],[18],[49] $ 1,590 [6],[14],[19],[20],[50]    
Fair value $ 1,831 [7],[13],[17],[18],[49] $ 1,590 [8],[14],[19],[20],[50]    
Investment, Identifier [Axis]: Harris Preston Fund Investments | LP Interests (423 COR, L.P.)        
Schedule of Investments [Line Items]        
Units (as a percent) 26.89% [9],[17],[18],[49] 26.89% [10],[19],[20],[50]    
Cost $ 2,900 [3],[9],[17],[18],[49] $ 2,900 [6],[10],[19],[20],[50]    
Fair value $ 5,339 [7],[9],[17],[18],[49] $ 5,244 [8],[10],[19],[20],[50]    
Investment, Identifier [Axis]: Harris Preston Fund Investments | LP Interests (423 HAR, L.P.)        
Schedule of Investments [Line Items]        
Units (as a percent) 15.60% [11],[17],[18],[35],[49] 15.60% [12],[19],[20],[36],[50]    
Cost $ 750 [3],[11],[17],[18],[35],[49] $ 750 [6],[12],[19],[20],[36],[50]    
Fair value $ 1,226 [7],[11],[17],[18],[35],[49] $ 1,226 [8],[12],[19],[20],[36],[50]    
Investment, Identifier [Axis]: Harris Preston Fund Investments | LP Interests (HPEP 3, L.P.)        
Schedule of Investments [Line Items]        
Units (as a percent) 8.22% [11],[17],[18],[49] 8.22% [12],[19],[20],[50]    
Cost $ 1,297 [3],[11],[17],[18],[49] $ 1,549 [6],[12],[19],[20],[50]    
Fair value $ 3,736 [7],[11],[17],[18],[49] $ 4,116 [8],[12],[19],[20],[50]    
Investment, Identifier [Axis]: Harris Preston Fund Investments | LP Interests (HPEP 4, L.P.)        
Schedule of Investments [Line Items]        
Units (as a percent) 11.61% [11],[17],[18],[49] 11.61% [12],[19],[20],[50]    
Cost $ 7,694 [3],[11],[17],[18],[49] $ 6,409 [6],[12],[19],[20],[50]    
Fair value $ 9,535 [7],[11],[17],[18],[49] $ 7,463 [8],[12],[19],[20],[50]    
Investment, Identifier [Axis]: Harrison Hydra-Gen, Ltd. | Common Stock        
Schedule of Investments [Line Items]        
Units (in shares) 107,456 [9],[35] 107,456 [10],[36]    
Cost $ 718 [3],[9],[35] $ 718 [6],[10],[36]    
Fair value $ 7,080 [7],[9],[35] $ 7,080 [8],[10],[36] 7,060 7,010
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC | Preferred Member Units 1        
Schedule of Investments [Line Items]        
Units (in shares) 226 [11],[35] 226 [12],[36]    
Cost $ 2,850 [3],[11],[35] $ 2,850 [6],[12],[36]    
Fair value 26,310 [7],[11],[35] 26,310 [8],[12],[36] 21,120 20,260
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC | Preferred Member Units 1.1        
Schedule of Investments [Line Items]        
Fair value 26,310 26,310    
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC | Preferred Member Units 1.2        
Schedule of Investments [Line Items]        
Fair value $ 1,380 $ 1,380    
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC | Preferred Member Units 2        
Schedule of Investments [Line Items]        
Units (in shares) 226 [11],[44] 226 [12],[45]    
Cost $ 150 [3],[11],[44] $ 150 [6],[12],[45]    
Fair value $ 1,380 [7],[11],[44] $ 1,380 [8],[12],[45] $ 1,110 1,070
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate   9.98% [12],[34] 10.48%  
Spread (as a percent) 6.00% [11],[29],[30],[31] 6.00% [12],[32],[34] 6.00%  
Principal $ 0 [3],[11],[30],[31] $ 3,219 [6],[12],[34]    
Cost (23) [3],[11],[30],[31] 3,219 [6],[12],[34]    
Fair value 0 [7],[11],[30],[31] 3,219 [8],[12],[34] $ 2,502 2,645
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC | Secured Debt 1.1        
Schedule of Investments [Line Items]        
Fair value $ 0 3,219    
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC | Secured Debt 1.2        
Schedule of Investments [Line Items]        
Spread (as a percent) 6.00%      
Fair value $ 0 0    
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC | Secured Debt 1.3        
Schedule of Investments [Line Items]        
Fair value $ 0 45,256    
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC | Secured Debt 1.4        
Schedule of Investments [Line Items]        
Total Rate 11.00%      
Fair value $ 49,871 $ 0    
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate   11.00% [12] 12.50%  
Principal 0 [3],[11],[30] $ 45,256 [6],[12]    
Cost 0 [3],[11],[30] 45,256 [6],[12]    
Fair value 0 [7],[11],[30] $ 45,256 [8],[12] $ 45,256 45,256
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Principal [3],[11],[30] 0      
Cost [3],[11],[30] 0      
Fair value [7],[11],[30] $ 0      
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC | Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate [11] 11.00%      
Principal [3],[11] $ 49,871      
Cost [3],[11] 49,600      
Fair value [7],[11] $ 49,871      
Investment, Identifier [Axis]: Hornblower Sub, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 9.18% [13],[15],[31],[38] 9.32% [14],[16],[34],[39]    
Spread (as a percent) 5.50% [13],[15],[29],[31],[38] 5.50% [14],[16],[32],[34],[39]    
PIK Rate 1.50% [13],[15],[25],[31],[38] 1.50% [14],[16],[26],[34],[39]    
Principal $ 4,892 [3],[13],[15],[31],[38] $ 4,752 [6],[14],[16],[34],[39]    
Cost 4,860 [3],[13],[15],[31],[38] 4,718 [6],[14],[16],[34],[39]    
Fair value $ 4,839 [7],[13],[15],[31],[38] $ 4,697 [8],[14],[16],[34],[39]    
Investment, Identifier [Axis]: Hornblower Sub, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.15% [13],[15],[31] 9.46% [14],[16],[34]    
Spread (as a percent) 5.50% [13],[15],[29],[31] 5.50% [14],[16],[32],[34]    
PIK Rate 1.50% [13],[15],[25],[31] 1.50% [14],[16],[26],[34]    
Principal $ 32,928 [3],[13],[15],[31] $ 32,599 [6],[14],[16],[34]    
Cost 32,699 [3],[13],[15],[31] 32,353 [6],[14],[16],[34]    
Fair value $ 32,509 [7],[13],[15],[31] $ 32,163 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Houston Plating and Coatings, LLC | Member Units        
Schedule of Investments [Line Items]        
Units (in shares) 322,297 [11],[35] 322,297 [12],[36]    
Cost $ 2,352 [3],[11],[35] $ 2,352 [6],[12],[36]    
Fair value $ 3,510 [7],[11],[35] $ 3,720 [8],[12],[36] $ 4,240 3,930
Investment, Identifier [Axis]: Houston Plating and Coatings, LLC | Unsecured Convertible Debt        
Schedule of Investments [Line Items]        
Total Rate 10.00% [11] 10.00% [12] 10.00%  
Principal $ 3,000 [3],[11] $ 3,000 [6],[12]    
Cost 3,000 [3],[11] 3,000 [6],[12]    
Fair value $ 3,000 [7],[11] $ 3,000 [8],[12] $ 2,940 2,940
Investment, Identifier [Axis]: Hybrid Promotions, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 11.91% [13],[15],[31] 12.24% [14],[16],[34]    
Spread (as a percent) 8.25% [13],[15],[29],[31] 8.25% [14],[16],[32],[34]    
Principal $ 7,200 [3],[13],[15],[31] $ 7,200 [6],[14],[16],[34]    
Cost 7,126 [3],[13],[15],[31] 7,115 [6],[14],[16],[34]    
Fair value $ 7,200 [7],[13],[15],[31] $ 7,200 [8],[14],[16],[34]    
Investment, Identifier [Axis]: IG Investor, LLC | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 14,400 [9] 14,400 [10]    
Cost $ 14,400 [3],[9] $ 14,400 [6],[10]    
Fair value $ 28,760 [7],[9] $ 28,030 [8],[10] $ 17,780 16,230
Investment, Identifier [Axis]: IG Investor, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 13.00% [9] 13.00% [10] 13.00%  
Principal $ 800 [3],[9] $ 1,600 [6],[10]    
Cost 782 [3],[9] 1,580 [6],[10]    
Fair value $ 800 [7],[9] $ 1,600 [8],[10] $ 1,600 1,572
Investment, Identifier [Axis]: IG Investor, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 13.00% [9] 13.00% [10] 13.00%  
Principal $ 34,264 [3],[9] $ 35,064 [6],[10]    
Cost 34,111 [3],[9] 34,890 [6],[10]    
Fair value $ 34,264 [7],[9] $ 35,064 [8],[10] $ 35,064 35,257
Investment, Identifier [Axis]: IG Parent Corporation | Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 5.75% [13],[21],[29],[30],[31] 5.75% [14],[22],[32],[33],[34]    
Principal $ 0 [3],[13],[21],[30],[31] $ 0 [6],[14],[22],[33],[34]    
Cost (7) [3],[13],[21],[30],[31] (8) [6],[14],[22],[33],[34]    
Fair value $ 0 [7],[13],[21],[30],[31] $ 0 [8],[14],[22],[33],[34]    
Investment, Identifier [Axis]: IG Parent Corporation | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.52% [13],[21],[31] 9.57% [14],[22],[34]    
Spread (as a percent) 5.75% [13],[21],[29],[31] 5.75% [14],[22],[32],[34]    
Principal $ 10,101 [3],[13],[21],[31] $ 10,127 [6],[14],[22],[34]    
Cost 10,049 [3],[13],[21],[31] 10,070 [6],[14],[22],[34]    
Fair value $ 10,101 [7],[13],[21],[31] $ 10,127 [8],[14],[22],[34]    
Investment, Identifier [Axis]: IG Parent Corporation | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 9.52% [13],[21],[31] 9.57% [14],[22],[34]    
Spread (as a percent) 5.75% [13],[21],[29],[31] 5.75% [14],[22],[32],[34]    
Principal $ 4,840 [3],[13],[21],[31] $ 4,853 [6],[14],[22],[34]    
Cost 4,813 [3],[13],[21],[31] 4,822 [6],[14],[22],[34]    
Fair value $ 4,840 [7],[13],[21],[31] $ 4,853 [8],[14],[22],[34]    
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 10.84% [11],[31] 11.15% [12],[34] 12.96%  
Spread (as a percent) 7.00% [11],[29],[31] 7.00% [12],[32],[34] 8.50%  
Principal $ 1,180 [3],[11],[31] $ 1,180 [6],[12],[34]    
Cost 1,174 [3],[11],[31] 1,172 [6],[12],[34]    
Fair value $ 1,180 [7],[11],[31] 1,180 [8],[12],[34] $ 1,180 1,180
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Secured Debt 1.1        
Schedule of Investments [Line Items]        
Total Rate 10.84%      
Spread (as a percent) 7.00%      
Fair value $ 1,180 1,180    
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Secured Debt 1.2        
Schedule of Investments [Line Items]        
Total Rate 10.84%      
Spread (as a percent) 7.00%      
Fair value $ 5,310 5,310    
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Secured Debt 1.3        
Schedule of Investments [Line Items]        
Total Rate 10.84%      
Spread (as a percent) 7.00%      
Fair value $ 4,935 4,935    
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Secured Debt 1.4        
Schedule of Investments [Line Items]        
Total Rate 10.84%      
Spread (as a percent) 7.00%      
Fair value $ 4,935 4,935    
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Secured Debt 1.5        
Schedule of Investments [Line Items]        
Total Rate 10.84%      
Spread (as a percent) 7.00%      
Fair value $ 1,770 1,770    
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Secured Debt 1.6        
Schedule of Investments [Line Items]        
Total Rate 10.84%      
Spread (as a percent) 7.00%      
Fair value $ 2,360 $ 0    
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.84% [11],[31] 11.15% [12],[34] 12.96%  
Spread (as a percent) 7.00% [11],[29],[31] 7.00% [12],[32],[34] 8.50%  
Principal $ 5,310 [3],[11],[31] $ 5,310 [6],[12],[34]    
Cost 5,298 [3],[11],[31] 5,295 [6],[12],[34]    
Fair value $ 5,310 [7],[11],[31] $ 5,310 [8],[12],[34] $ 994 994
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate   11.15% [12],[34] 11.96%  
Spread (as a percent) 7.00% [11],[29],[30],[31] 7.00% [12],[32],[34] 7.50%  
Principal $ 0 [3],[11],[30],[31] $ 4,935 [6],[12],[34]    
Cost 0 [3],[11],[30],[31] 4,535 [6],[12],[34]    
Fair value $ 0 [7],[11],[30],[31] $ 4,935 [8],[12],[34] $ 4,438 4,438
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 10.84% [11],[31] 11.15% [12],[34] 13.96%  
Spread (as a percent) 7.00% [11],[29],[31] 7.00% [12],[32],[34] 9.50%  
Principal $ 4,935 [3],[11],[31] $ 4,935 [6],[12],[34]    
Cost 4,602 [3],[11],[31] 4,535 [6],[12],[34]    
Fair value $ 4,935 [7],[11],[31] $ 4,935 [8],[12],[34] $ 4,438 4,438
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Secured Debt 5        
Schedule of Investments [Line Items]        
Total Rate 10.84% [11],[31] 11.15% [12],[34]    
Spread (as a percent) 7.00% [11],[29],[31] 7.00% [12],[32],[34]    
Principal $ 4,935 [3],[11],[31] $ 1,770 [6],[12],[34]    
Cost 4,602 [3],[11],[31] 1,765 [6],[12],[34]    
Fair value $ 4,935 [7],[11],[31] $ 1,770 [8],[12],[34]    
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Secured Debt 6        
Schedule of Investments [Line Items]        
Total Rate [11],[31] 10.84%      
Spread (as a percent) [11],[29],[31] 7.00%      
Principal [3],[11],[31] $ 1,770      
Cost [3],[11],[31] 1,766      
Fair value [7],[11],[31] $ 1,770      
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Secured Debt 7        
Schedule of Investments [Line Items]        
Total Rate [11],[31] 10.84%      
Spread (as a percent) [11],[29],[31] 7.00%      
Principal [3],[11],[31] $ 2,360      
Cost [3],[11],[31] 2,360      
Fair value [7],[11],[31] $ 2,360      
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Warrants        
Schedule of Investments [Line Items]        
Units (in shares) 193,307 [11],[35],[42] 193,307 [12],[36],[43]    
Cost $ 2,091 [3],[11],[35],[42] $ 2,091 [6],[12],[36],[43]    
Fair value $ 15,230 [7],[11],[35],[42] $ 15,230 [8],[12],[36],[43] 6,660 5,690
Investment, Identifier [Axis]: Ignite Visibility LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 8.41% [13],[15],[31] 8.84% [14],[16],[34]    
Spread (as a percent) 4.75% [13],[15],[29],[31] 5.00% [14],[16],[32],[34]    
Principal $ 4,759 [3],[13],[15],[31] $ 4,759 [6],[14],[16],[34]    
Cost 4,695 [3],[13],[15],[31] 4,689 [6],[14],[16],[34]    
Fair value $ 4,695 [7],[13],[15],[31] $ 4,689 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Ignite Visibility LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.41% [13],[15],[31] 10.84% [14],[16],[34]    
Spread (as a percent) 6.75% [13],[15],[29],[31] 7.00% [14],[16],[32],[34]    
Principal $ 4,759 [3],[13],[15],[31] $ 4,759 [6],[14],[16],[34]    
Cost 4,695 [3],[13],[15],[31] 4,689 [6],[14],[16],[34]    
Fair value $ 4,695 [7],[13],[15],[31] $ 4,689 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Imaging Business Machines, L.L.C. | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 849 [13],[15],[35] 849 [14],[16]    
Cost $ 1,166 [3],[13],[15],[35] $ 1,166 [6],[14],[16]    
Fair value $ 1,090 [7],[13],[15],[35] $ 1,090 [8],[14],[16]    
Investment, Identifier [Axis]: Implus Footcare, LLC | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 4,238,917 [13],[15] 4,238,917 [14],[16]    
Cost $ 5,680 [3],[13],[15] $ 5,680 [6],[14],[16]    
Fair value $ 3,740 [7],[13],[15] $ 4,910 [8],[14],[16]    
Investment, Identifier [Axis]: Implus Footcare, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 9.70% [13],[15],[31] 9.68% [14],[16],[34]    
Spread (as a percent) 6.00% [13],[15],[29],[31] 6.00% [14],[16],[32],[34]    
PIK Rate 4.00% [13],[15],[25],[31] 4.00% [14],[16],[26],[34]    
Principal $ 1,963 [3],[13],[15],[31] $ 1,944 [6],[14],[16],[34]    
Cost 1,963 [3],[13],[15],[31] 1,944 [6],[14],[16],[34]    
Fair value $ 1,963 [7],[13],[15],[31] $ 1,944 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Implus Footcare, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.70% [13],[15],[31] 9.68% [14],[16],[34]    
Spread (as a percent) 6.00% [13],[15],[29],[31] 6.00% [14],[16],[32],[34]    
PIK Rate 9.70% [13],[15],[25],[31] 9.68% [14],[16],[26],[34]    
Principal $ 4,532 [3],[13],[15],[31] $ 4,425 [6],[14],[16],[34]    
Cost 4,532 [3],[13],[15],[31] 4,425 [6],[14],[16],[34]    
Fair value $ 4,532 [7],[13],[15],[31] $ 4,425 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 18,006,407 [11],[15] 18,006,407 [12],[16]    
Cost $ 18,300 [3],[11],[15] $ 18,300 [6],[12],[16]    
Fair value $ 19,000 [7],[11],[15] $ 19,000 [8],[12],[16] 19,850 20,390
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 87,360 [11],[35] 87,360 [12],[36]    
Cost $ 4,368 [3],[11],[35] $ 4,368 [6],[12],[36]    
Fair value 8,340 [7],[11],[35] $ 8,010 [8],[12],[36] $ 7,930 9,080
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate   12.00% [12] 12.00%  
Principal [6],[12]   $ 15,299    
Cost [6],[12]   15,289    
Fair value   15,299 [8],[12] $ 14,825 15,050
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Principal [3],[11],[30] 0      
Cost [3],[11],[30] 0      
Fair value [7],[11],[30] $ 0      
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC | Secured Debt 1.1        
Schedule of Investments [Line Items]        
Total Rate 12.00%      
Fair value $ 15,074 15,299    
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC | Secured Debt 1.2        
Schedule of Investments [Line Items]        
Fair value $ 0 $ 0    
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [11] 12.00%      
Principal [3],[11] $ 15,074      
Cost [3],[11] 15,065      
Fair value [7],[11] $ 15,074      
Investment, Identifier [Axis]: Insight Borrower Corporation | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 131,100 [13],[15] 131,100 [14],[16]    
Cost $ 656 [3],[13],[15] $ 656 [6],[14],[16]    
Fair value $ 110 [7],[13],[15] $ 270 [8],[14],[16]    
Investment, Identifier [Axis]: Insight Borrower Corporation | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [14],[16],[34]   10.10%    
Spread (as a percent) 6.25% [13],[15],[29],[30],[31] 6.25% [14],[16],[32],[34]    
Principal $ 0 [3],[13],[15],[30],[31] $ 1,441 [6],[14],[16],[34]    
Cost (35) [3],[13],[15],[30],[31] 1,401 [6],[14],[16],[34]    
Fair value $ (35) [7],[13],[15],[30],[31] $ 1,341 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Insight Borrower Corporation | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.92% [13],[15],[31] 10.12% [14],[16],[34]    
Spread (as a percent) 6.25% [13],[15],[29],[31] 6.25% [14],[16],[32],[34]    
Principal $ 14,097 [3],[13],[15],[31] $ 14,118 [6],[14],[16],[34]    
Cost 13,863 [3],[13],[15],[31] 13,865 [6],[14],[16],[34]    
Fair value $ 12,838 [7],[13],[15],[31] $ 13,140 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 177,594 [13],[15] 177,594 [14],[16]    
Cost $ 463 [3],[13],[15] $ 463 [6],[14],[16]    
Fair value $ 97 [7],[13],[15] $ 97 [8],[14],[16]    
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 13.27% [13],[15],[31] 13.97% [14],[16],[34]    
Spread (as a percent) 9.50% [13],[15],[29],[31] 10.00% [14],[16],[32],[34]    
PIK Rate 1.50% [13],[15],[25],[31] 2.00% [14],[16],[26],[34]    
Principal $ 861 [3],[13],[15],[31] $ 857 [6],[14],[16],[34]    
Cost 852 [3],[13],[15],[31] 846 [6],[14],[16],[34]    
Fair value $ 813 [7],[13],[15],[31] $ 808 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 13.27% [13],[15],[31] 13.97% [14],[16],[34]    
Spread (as a percent) 9.50% [13],[15],[29],[31] 10.00% [14],[16],[32],[34]    
PIK Rate 1.50% [13],[15],[25],[31] 2.00% [14],[16],[26],[34]    
Principal $ 7,324 [3],[13],[15],[31] $ 7,307 [6],[14],[16],[34]    
Cost 7,250 [3],[13],[15],[31] 7,224 [6],[14],[16],[34]    
Fair value $ 6,915 [7],[13],[15],[31] $ 6,889 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 13.27% [13],[15],[31] 13.97% [14],[16],[34]    
Spread (as a percent) 9.50% [13],[15],[29],[31] 10.00% [14],[16],[32],[34]    
PIK Rate 1.50% [13],[15],[25],[31] 2.00% [14],[16],[26],[34]    
Principal $ 2,946 [3],[13],[15],[31] $ 2,941 [6],[14],[16],[34]    
Cost 2,918 [3],[13],[15],[31] 2,910 [6],[14],[16],[34]    
Fair value $ 2,781 [7],[13],[15],[31] $ 2,773 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC | Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 13.27% [13],[15],[31] 13.97% [14],[16],[34]    
Spread (as a percent) 9.50% [13],[15],[29],[31] 10.00% [14],[16],[32],[34]    
PIK Rate 1.50% [13],[15],[25],[31] 2.00% [14],[16],[26],[34]    
Principal $ 340 [3],[13],[15],[31] $ 339 [6],[14],[16],[34]    
Cost 340 [3],[13],[15],[31] 339 [6],[14],[16],[34]    
Fair value $ 321 [7],[13],[15],[31] $ 320 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Integral Energy Services | Common Stock        
Schedule of Investments [Line Items]        
Units (in shares) 9,968 [11],[15] 9,968 [12],[16]    
Cost $ 1,356 [3],[11],[15] $ 1,356 [6],[12],[16]    
Fair value $ 280 [7],[11],[15] $ 350 [8],[12],[16] $ 550 550
Investment, Identifier [Axis]: Integral Energy Services | Preferred Equity        
Schedule of Investments [Line Items]        
Total Rate     10.00%  
PIK Rate     10.00%  
Fair value     $ 458 452
Investment, Identifier [Axis]: Integral Energy Services | Preferred Equity 1        
Schedule of Investments [Line Items]        
Units (in shares) 3,188 [11],[15],[35] 3,188 [12],[16],[36]    
Total Rate 10.00% [11],[15],[35] 10.00% [12],[16],[36]    
PIK Rate 10.00% [11],[15],[25],[35] 10.00% [12],[16],[26],[36]    
Cost $ 288 [3],[11],[15],[35] $ 281 [6],[12],[16],[36]    
Fair value $ 427 [7],[11],[15],[35] $ 420 [8],[12],[16],[36]    
Investment, Identifier [Axis]: Integral Energy Services | Preferred Equity 2        
Schedule of Investments [Line Items]        
Units (in shares) 3,078 [11],[15] 3,078 [12],[16]    
Total Rate 10.00% [11],[15] 10.00% [12],[16]    
PIK Rate 10.00% [11],[15],[25] 10.00% [12],[16],[26]    
Cost $ 328 [3],[11],[15] $ 328 [6],[12],[16]    
Fair value $ 404 [7],[11],[15] $ 404 [8],[12],[16]    
Investment, Identifier [Axis]: Integral Energy Services | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 11.42% [11],[15],[31] 11.75% [12],[16],[34] 12.07%  
Spread (as a percent) 7.50% [11],[15],[29],[31] 7.50% [12],[16],[32],[34] 7.50%  
Principal $ 12,273 [3],[11],[15],[31] $ 12,273 [6],[12],[16],[34]    
Cost 12,252 [3],[11],[15],[31] 12,240 [6],[12],[16],[34]    
Fair value $ 11,786 [7],[11],[15],[31] $ 12,042 [8],[12],[16],[34] $ 12,741 12,728
Investment, Identifier [Axis]: Interface Security Systems, L.L.C | Common Stock        
Schedule of Investments [Line Items]        
Units (in shares) 2,143 [13],[15] 2,143 [14],[16]    
Cost $ 0 [3],[13],[15] $ 0 [6],[14],[16]    
Fair value $ 0 [7],[13],[15] $ 0 [8],[14],[16]    
Investment, Identifier [Axis]: Interface Security Systems, L.L.C | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 13.77% [13],[15],[38],[48] 13.92% [14],[16],[37],[39]    
Spread (as a percent) 10.00% [13],[15],[29],[38],[48] 10.00% [14],[16],[32],[37],[39]    
PIK Rate 13.77% [13],[15],[25],[38],[48] 13.92% [14],[16],[26],[37],[39]    
Principal $ 2,475 [3],[13],[15],[38],[48] $ 2,392 [6],[14],[16],[37],[39]    
Cost 2,475 [3],[13],[15],[38],[48] 2,392 [6],[14],[16],[37],[39]    
Fair value $ 2,160 [7],[13],[15],[38],[48] $ 2,077 [8],[14],[16],[37],[39]    
Investment, Identifier [Axis]: Interface Security Systems, L.L.C | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 11.02% [13],[15],[27],[31],[48] 11.02% [14],[16],[28],[34],[37]    
Spread (as a percent) 7.00% [13],[15],[27],[29],[31],[48] 7.00% [14],[16],[28],[32],[34],[37]    
PIK Rate 11.02% [13],[15],[25],[27],[31],[48] 11.02% [14],[16],[26],[28],[34],[37]    
Principal $ 7,313 [3],[13],[15],[27],[31],[48] $ 7,313 [6],[14],[16],[28],[34],[37]    
Cost 7,237 [3],[13],[15],[27],[31],[48] 7,237 [6],[14],[16],[28],[34],[37]    
Fair value $ 5 [7],[13],[15],[27],[31],[48] $ 1 [8],[14],[16],[28],[34],[37]    
Investment, Identifier [Axis]: Invincible Boat Company, LLC. | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 11.32% [13],[15],[31] 11.37% [14],[16],[34]    
Spread (as a percent) 7.50% [13],[15],[29],[31] 7.50% [14],[16],[32],[34]    
Principal $ 1,556 [3],[13],[15],[31] $ 1,452 [6],[14],[16],[34]    
Cost 1,550 [3],[13],[15],[31] 1,445 [6],[14],[16],[34]    
Fair value $ 1,226 [7],[13],[15],[31] $ 1,319 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Invincible Boat Company, LLC. | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 11.32% [13],[15],[31],[59] 11.37% [14],[16],[34],[60]    
Spread (as a percent) 8.00% [13],[15],[29],[31],[59] 7.50% [14],[16],[32],[34],[60]    
PIK Rate 3.32% [13],[15],[25],[31],[59] 3.37% [14],[16],[26],[34],[60]    
Principal $ 16,945 [3],[13],[15],[31],[59] $ 16,805 [6],[14],[16],[34],[60]    
Cost 16,909 [3],[13],[15],[31],[59] 16,764 [6],[14],[16],[34],[60]    
Fair value $ 13,288 [7],[13],[15],[31],[59] $ 15,247 [8],[14],[16],[34],[60]    
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Common Stock        
Schedule of Investments [Line Items]        
Units (in shares) 203,016 [11] 203,016 [12]    
Cost $ 2,756 [3],[11] $ 2,756 [6],[12]    
Fair value $ 2,850 [7],[11] $ 2,700 [8],[12] $ 2,850 2,850
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Total Rate     25.00%  
PIK Rate     25.00%  
Fair value     $ 760 760
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Preferred Equity 1        
Schedule of Investments [Line Items]        
Units (in shares) 711 [11] 711 [12]    
Total Rate 25.00% [11] 25.00% [12]    
PIK Rate 25.00% [11],[25] 25.00% [12],[26]    
Cost $ 711 [3],[11] $ 711 [6],[12]    
Fair value $ 1,100 [7],[11] $ 1,030 [8],[12]    
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Preferred Equity 2        
Schedule of Investments [Line Items]        
Units (in shares) 155 [11] 155 [12]    
Total Rate 25.00% [11] 25.00% [12]    
PIK Rate 25.00% [11],[25] 25.00% [12],[26]    
Cost $ 155 [3],[11] $ 155 [6],[12]    
Fair value $ 155 [7],[11] $ 155 [8],[12]    
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 13.00% [11] 13.00% [12] 13.00%  
Principal $ 4,514 [3],[11] $ 4,514 [6],[12]    
Cost 4,502 [3],[11] 4,500 [6],[12]    
Fair value $ 4,502 [7],[11] $ 4,500 [8],[12] $ 4,495 4,493
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 13.00% [11] 13.00% [12] 13.00%  
Principal $ 2,940 [3],[11] $ 2,940 [6],[12]    
Cost 2,932 [3],[11] 2,931 [6],[12]    
Fair value $ 2,932 [7],[11] $ 2,931 [8],[12] $ 2,928 2,927
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 13.00% [11] 13.00% [12] 13.00%  
Principal $ 8,944 [3],[11] $ 8,944 [6],[12]    
Cost 8,944 [3],[11] 8,944 [6],[12]    
Fair value $ 8,944 [7],[11] $ 8,944 [8],[12] $ 8,944 8,944
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 13.00% [11] 13.00% [12] 13.00%  
Principal $ 17,417 [3],[11] $ 17,624 [6],[12]    
Cost 17,369 [3],[11] 17,569 [6],[12]    
Fair value $ 17,369 [7],[11] $ 17,569 [8],[12] $ 17,549 17,542
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Secured Debt 5        
Schedule of Investments [Line Items]        
Total Rate 13.00% [11] 13.00% [12] 13.00%  
Principal $ 9,202 [3],[11] $ 9,554 [6],[12]    
Cost 9,088 [3],[11] 9,421 [6],[12]    
Fair value $ 9,088 [7],[11] $ 9,421 [8],[12] $ 9,372 9,638
Investment, Identifier [Axis]: Isagenix International, LLC | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 198,743 [13],[21] 198,743 [14],[22]    
Cost $ 0 [3],[13],[21] $ 0 [6],[14],[22]    
Fair value $ 0 [7],[13],[21] $ 0 [8],[14],[22]    
Investment, Identifier [Axis]: Isagenix International, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 11.27% [13],[21],[27],[31] 2.50% [14],[22],[34],[61]    
Spread (as a percent) [13],[21],[27],[29],[31] 7.50%      
PIK Rate [13],[21],[25],[27],[31] 8.77%      
Principal $ 3,159 [3],[13],[21],[27],[31] $ 3,159 [6],[14],[22],[34],[61]    
Cost 3,012 [3],[13],[21],[27],[31] 3,016 [6],[14],[22],[34],[61]    
Fair value $ 457 [7],[13],[21],[27],[31] $ 458 [8],[14],[22],[34],[61]    
Investment, Identifier [Axis]: Island Pump and Tank, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 10.92% [13],[15],[31] 11.25% [14],[16],[34]    
Spread (as a percent) 7.00% [13],[15],[29],[31] 7.00% [14],[16],[32],[34]    
Principal $ 456 [3],[13],[15],[31] $ 456 [6],[14],[16],[34]    
Cost 453 [3],[13],[15],[31] 452 [6],[14],[16],[34]    
Fair value $ 386 [7],[13],[15],[31] $ 443 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Island Pump and Tank, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.92% [13],[15],[31] 10.25% [14],[16],[34]    
Spread (as a percent) 6.00% [13],[15],[29],[31] 6.00% [14],[16],[32],[34]    
Principal $ 2,111 [3],[13],[15],[31] $ 2,111 [6],[14],[16],[34]    
Cost 2,086 [3],[13],[15],[31] 2,084 [6],[14],[16],[34]    
Fair value $ 1,785 [7],[13],[15],[31] $ 2,048 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Island Pump and Tank, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 10.92% [13],[15],[31] 11.25% [14],[16],[34]    
Spread (as a percent) 7.00% [13],[15],[29],[31] 7.00% [14],[16],[32],[34]    
Principal $ 2,111 [3],[13],[15],[31] $ 2,111 [6],[14],[16],[34]    
Cost 2,086 [3],[13],[15],[31] 2,084 [6],[14],[16],[34]    
Fair value $ 1,785 [7],[13],[15],[31] $ 2,048 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Island Pump and Tank, LLC | Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 11.92% [13],[15],[31] 12.25% [14],[16],[34]    
Spread (as a percent) 8.00% [13],[15],[29],[31] 8.00% [14],[16],[32],[34]    
Principal $ 2,111 [3],[13],[15],[31] $ 2,111 [6],[14],[16],[34]    
Cost 2,086 [3],[13],[15],[31] 2,084 [6],[14],[16],[34]    
Fair value 1,785 [7],[13],[15],[31] 2,048 [8],[14],[16],[34]    
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC | Common Equity        
Schedule of Investments [Line Items]        
Fair value $ 0 $ 0    
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC | Common Equity 1        
Schedule of Investments [Line Items]        
Units (in shares) 1,684,211 [9],[15] 1,684,211 [10],[16]    
Cost $ 1,684 [3],[9],[15] $ 1,684 [6],[10],[16]    
Fair value $ 0 [7],[9],[15] $ 0 [8],[10],[16]    
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC | Common Equity 2        
Schedule of Investments [Line Items]        
Units (in shares) 842,000 [9],[15] 842,000 [10],[16]    
Cost $ 842 [3],[9],[15] $ 842 [6],[10],[16]    
Fair value $ 0 [7],[9],[15] $ 0 [8],[10],[16]    
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 8.92% [9],[15],[27],[31] 9.13% [10],[16],[34]    
Spread (as a percent) 5.00% [9],[15],[27],[29],[31] 5.00% [10],[16],[32],[34]    
PIK Rate [9],[15],[25],[27],[31] 8.92%      
Principal $ 6,529 [3],[9],[15],[27],[31] $ 6,316 [6],[10],[16],[34]    
Cost 6,529 [3],[9],[15],[27],[31] 6,316 [6],[10],[16],[34]    
Fair value $ 6,529 [7],[9],[15],[27],[31] 6,316 [8],[10],[16],[34]    
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC | Secured Debt 1.1        
Schedule of Investments [Line Items]        
Total Rate 9.92%      
Spread (as a percent) 6.00%      
PIK Rate 9.92%      
Fair value $ 8,657 36,429    
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC | Secured Debt 1.2        
Schedule of Investments [Line Items]        
Total Rate 15.00%      
PIK Rate 15.00%      
Fair value $ 0 939    
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC | Secured Debt 1.3        
Schedule of Investments [Line Items]        
Total Rate 8.92%      
Spread (as a percent) 5.00%      
PIK Rate 8.92%      
Fair value $ 6,529 $ 6,316    
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.92% [9],[15],[27],[31] 10.13% [10],[16],[34]    
Spread (as a percent) 6.00% [9],[15],[27],[29],[31] 6.00% [10],[16],[32],[34]    
PIK Rate 9.92% [9],[15],[25],[27],[31] 10.13% [10],[16],[26],[34]    
Principal $ 36,513 [3],[9],[15],[27],[31] $ 36,513 [6],[10],[16],[34]    
Cost 36,513 [3],[9],[15],[27],[31] 36,513 [6],[10],[16],[34]    
Fair value $ 8,657 [7],[9],[15],[27],[31] $ 36,429 [8],[10],[16],[34]    
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 15.00% [9],[15],[27] 15.00% [10],[16],[28]    
PIK Rate 15.00% [9],[15],[25],[27] 15.00% [10],[16],[26],[28]    
Principal $ 16,842 [3],[9],[15],[27] $ 16,842 [6],[10],[16],[28]    
Cost 6,205 [3],[9],[15],[27] 6,205 [6],[10],[16],[28]    
Fair value $ 0 [7],[9],[15],[27] $ 939 [8],[10],[16],[28]    
Investment, Identifier [Axis]: Jackmont Hospitality, Inc. | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 2,826,667 [13],[15] 2,826,667 [14],[16]    
Cost $ 110 [3],[13],[15] $ 110 [6],[14],[16]    
Fair value $ 650 [7],[13],[15] $ 750 [8],[14],[16]    
Investment, Identifier [Axis]: Jackmont Hospitality, Inc. | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 11.31% [13],[15],[31],[59] 11.01% [14],[16],[34],[60]    
Spread (as a percent) 7.50% [13],[15],[29],[31],[59] 7.00% [14],[16],[32],[34],[60]    
Principal $ 740 [3],[13],[15],[31],[59] $ 751 [6],[14],[16],[34],[60]    
Cost 737 [3],[13],[15],[31],[59] 747 [6],[14],[16],[34],[60]    
Fair value $ 740 [7],[13],[15],[31],[59] $ 751 [8],[14],[16],[34],[60]    
Investment, Identifier [Axis]: Jackmont Hospitality, Inc. | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 11.29% [13],[15],[31],[59] 11.23% [14],[16],[34],[60]    
Spread (as a percent) 7.50% [13],[15],[29],[31],[59] 7.00% [14],[16],[32],[34],[60]    
Principal $ 625 [3],[13],[15],[31],[59] $ 625 [6],[14],[16],[34],[60]    
Cost 623 [3],[13],[15],[31],[59] 622 [6],[14],[16],[34],[60]    
Fair value $ 625 [7],[13],[15],[31],[59] $ 625 [8],[14],[16],[34],[60]    
Investment, Identifier [Axis]: Jackmont Hospitality, Inc. | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 11.18% [13],[15],[31],[59] 11.11% [14],[16],[34],[60]    
Spread (as a percent) 7.50% [13],[15],[29],[31],[59] 7.00% [14],[16],[32],[34],[60]    
Principal $ 667 [3],[13],[15],[31],[59] $ 667 [6],[14],[16],[34],[60]    
Cost 661 [3],[13],[15],[31],[59] 658 [6],[14],[16],[34],[60]    
Fair value $ 667 [7],[13],[15],[31],[59] $ 667 [8],[14],[16],[34],[60]    
Investment, Identifier [Axis]: Jackmont Hospitality, Inc. | Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 11.31% [13],[15],[31] 10.84% [14],[16],[34]    
Spread (as a percent) 7.50% [13],[15],[29],[31] 7.00% [14],[16],[32],[34]    
Principal $ 1,711 [3],[13],[15],[31] $ 1,738 [6],[14],[16],[34]    
Cost 1,705 [3],[13],[15],[31] 1,728 [6],[14],[16],[34]    
Fair value $ 1,712 [7],[13],[15],[31] $ 1,738 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Jensen Jewelers of Idaho, LLC | Member Units        
Schedule of Investments [Line Items]        
Units (in shares) 627 [9],[35] 627 [10],[36]    
Cost $ 811 [3],[9],[35] $ 811 [6],[10],[36]    
Fair value $ 12,160 [7],[9],[35] $ 11,540 [8],[10],[36] $ 11,540 11,820
Investment, Identifier [Axis]: Jensen Jewelers of Idaho, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 6.75% [9],[29],[30],[31] 6.75% [10],[32],[33],[34] 6.75%  
Principal $ 0 [3],[9],[30],[31] $ 0 [6],[10],[33],[34]    
Cost 0 [3],[9],[30],[31] 0 [6],[10],[33],[34]    
Fair value $ 0 [7],[9],[30],[31] $ 0 [8],[10],[33],[34] $ 0 0
Investment, Identifier [Axis]: Jensen Jewelers of Idaho, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 13.50% [9],[31] 13.75% [10],[34] 14.25%  
Spread (as a percent) 6.75% [9],[29],[31] 6.75% [10],[32],[34] 6.75%  
Principal $ 728 [3],[9],[31] $ 878 [6],[10],[34]    
Cost 728 [3],[9],[31] 878 [6],[10],[34]    
Fair value $ 728 [7],[9],[31] $ 878 [8],[10],[34] $ 1,338 1,498
Investment, Identifier [Axis]: Joerns Healthcare, LLC | Common Stock        
Schedule of Investments [Line Items]        
Units (in shares) 5,461,019 [13],[21] 5,461,019 [14],[22]    
Cost $ 200 [3],[13],[21] $ 200 [6],[14],[22]    
Fair value $ 280 [7],[13],[21] $ 350 [8],[14],[22]    
Investment, Identifier [Axis]: Joerns Healthcare, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 11.77% [13],[21],[31] 11.94% [14],[22],[34]    
Spread (as a percent) 8.00% [13],[21],[29],[31] 8.00% [14],[22],[32],[34]    
Principal $ 1,833 [3],[13],[21],[31] $ 1,833 [6],[14],[22],[34]    
Cost 1,833 [3],[13],[21],[31] 1,833 [6],[14],[22],[34]    
Fair value $ 1,833 [7],[13],[21],[31] $ 1,833 [8],[14],[22],[34]    
Investment, Identifier [Axis]: Joerns Healthcare, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 11.77% [13],[21],[31] 11.94% [14],[22],[34]    
Spread (as a percent) 8.00% [13],[21],[29],[31] 8.00% [14],[22],[32],[34]    
Principal $ 1,369 [3],[13],[21],[31] $ 1,369 [6],[14],[22],[34]    
Cost 1,369 [3],[13],[21],[31] 1,369 [6],[14],[22],[34]    
Fair value $ 1,369 [7],[13],[21],[31] $ 1,369 [8],[14],[22],[34]    
Investment, Identifier [Axis]: Johnson Downie Opco, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Fair value     16,030 14,550
Investment, Identifier [Axis]: Johnson Downie Opco, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Fair value     $ 0 0
Investment, Identifier [Axis]: Johnson Downie Opco, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate     15.00%  
Fair value     $ 21,507 21,507
Investment, Identifier [Axis]: JorVet Holdings, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 109,926 [9],[35] 109,926 [10],[36]    
Cost $ 10,993 [3],[9],[35] $ 10,993 [6],[10],[36]    
Fair value $ 10,993 [7],[9],[35] $ 10,990 [8],[10],[36] $ 13,670 13,180
Investment, Identifier [Axis]: JorVet Holdings, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 12.00% [9] 12.00% [10] 12.00%  
Principal $ 23,321 [3],[9] $ 23,321 [6],[10]    
Cost 23,275 [3],[9] 23,263 [6],[10]    
Fair value 23,275 [7],[9] $ 23,263 [8],[10] $ 23,228 23,216
Investment, Identifier [Axis]: KBK Industries, LLC | Member Units        
Schedule of Investments [Line Items]        
Units (in shares) [10],[36]   325    
Cost [6],[10],[36]   $ 783    
Fair value 0 $ 18,180 [8],[10],[36] $ 25,180 25,180
Investment, Identifier [Axis]: KBK Industries, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate   9.50% [10] 9.00%  
Principal [6],[10]   $ 7,200    
Cost [6],[10]   7,166    
Fair value   7,200 [8],[10] $ 3,400 3,700
Investment, Identifier [Axis]: KBK Industries, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Fair value 0 0    
Investment, Identifier [Axis]: KBK Industries, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Fair value $ 0 $ 7,200    
Investment, Identifier [Axis]: KMS, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 9,213 [11],[15] 9,213 [12],[16]    
Cost $ 4,890 [3],[11],[15] $ 4,890 [6],[12],[16]    
Fair value $ 6,270 [7],[11],[15] $ 6,270 [8],[12],[16] $ 4,890 0
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 9.20% [11],[15],[31]   14.50%  
Spread (as a percent) 5.50% [11],[15],[29],[31] 5.50% [12],[16],[32],[33],[34] 9.75%  
Principal $ 1,303 [3],[11],[15],[31] $ 0 [6],[12],[16],[33],[34]    
Cost 1,267 [3],[11],[15],[31] (40) [6],[12],[16],[33],[34]    
Fair value $ 1,303 [7],[11],[15],[31] (40) [8],[12],[16],[33],[34] $ 0 663
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 1.1        
Schedule of Investments [Line Items]        
Total Rate 12.50%      
Fair value $ 1,173 1,146    
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 1.2        
Schedule of Investments [Line Items]        
Total Rate 12.50%      
Fair value $ 1,007 1,007    
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 1.3        
Schedule of Investments [Line Items]        
Total Rate 9.20%      
Spread (as a percent) 5.50%      
Fair value $ 1,303 $ (40)    
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.50% [11],[15] 12.50% [12],[16] 14.50%  
Spread (as a percent)     9.75%  
Principal $ 1,173 [3],[11],[15] $ 1,171 [6],[12],[16]    
Cost 1,151 [3],[11],[15] 1,146 [6],[12],[16]    
Fair value $ 1,173 [7],[11],[15] $ 1,146 [8],[12],[16] $ 0 4,779
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 12.50% [11],[15] 12.50% [12],[16]    
Spread (as a percent)     9.75%  
PIK Rate     14.23%  
Principal $ 1,007 [3],[11],[15] $ 1,007 [6],[12],[16]    
Cost 1,007 [3],[11],[15] 1,007 [6],[12],[16]    
Fair value $ 1,007 [7],[11],[15] 1,007 [8],[12],[16] $ 0 450
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 4        
Schedule of Investments [Line Items]        
Spread (as a percent)     9.75%  
PIK Rate     14.23%  
Fair value     $ 0 440
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 5        
Schedule of Investments [Line Items]        
Total Rate     14.23%  
Spread (as a percent)     9.75%  
PIK Rate     14.23%  
Fair value     $ 0 0
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 6        
Schedule of Investments [Line Items]        
Total Rate     12.50%  
PIK Rate     12.50%  
Fair value     $ 1,073 0
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 7        
Schedule of Investments [Line Items]        
Total Rate     12.50%  
PIK Rate     12.50%  
Fair value     $ 1,144 0
Investment, Identifier [Axis]: Kennedy Fab HoldCo, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) [11] 11,490      
Cost [3],[11] $ 11,490      
Fair value 11,490 [7],[11] 0    
Investment, Identifier [Axis]: Kennedy Fab HoldCo, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Principal [3],[11],[30] 0      
Cost [3],[11],[30] (5)      
Fair value $ (5) [7],[11],[30] 0    
Investment, Identifier [Axis]: Kennedy Fab HoldCo, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [11] 13.00%      
Principal [3],[11] $ 30,000      
Cost [3],[11] 29,705      
Fair value $ 29,705 [7],[11] 0    
Investment, Identifier [Axis]: Kennedy Fab HoldCo, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate [11] 9.00%      
Principal [3],[11] $ 20,000      
Cost [3],[11] 19,961      
Fair value $ 19,961 [7],[11] $ 0    
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC | Member Units        
Schedule of Investments [Line Items]        
Units (in shares) 800 [9],[35],[44] 800 [10],[36],[45]    
Cost $ 992 [3],[9],[35],[44] $ 992 [6],[10],[36],[45]    
Fair value $ 4,190 [7],[9],[35],[44] $ 4,190 [8],[10],[36],[45] 2,710 2,710
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 581 [9],[35] 581 [10],[36]    
Cost $ 12,240 [3],[9],[35] $ 12,240 [6],[10],[36]    
Fair value $ 18,350 [7],[9],[35] $ 17,180 [8],[10],[36] $ 12,890 12,240
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 11.50% [9] 11.50% [10] 11.50%  
Principal $ 10,199 [3],[9] $ 10,199 [6],[10]    
Cost 10,196 [3],[9] 10,195 [6],[10]    
Fair value $ 10,196 [7],[9] $ 10,195 [8],[10] $ 14,189 14,987
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.00% [9] 9.00% [10] 9.00%  
Principal $ 3,897 [3],[9] $ 3,910 [6],[10]    
Cost 3,866 [3],[9] 3,878 [6],[10]    
Fair value $ 3,866 [7],[9] $ 3,878 [8],[10] $ 3,914 3,926
Investment, Identifier [Axis]: LKCM Headwater Investments I, L.P. | LP Interests        
Schedule of Investments [Line Items]        
Units (as a percent) [14],[19],[20],[36],[50]   2.27%    
Cost [6],[14],[19],[20],[36],[50]   $ 0    
Fair value [8],[14],[19],[20],[36],[50]   $ 792    
Investment, Identifier [Axis]: LKCM Headwater Investments | Common Equity (LKCM Headwater CV I Minerals, L.P.)        
Schedule of Investments [Line Items]        
Units (as a percent) [13],[17],[18],[49] 1.82%      
Cost [3],[13],[17],[18],[49] $ 618      
Fair value [7],[13],[17],[18],[49] $ 618      
Investment, Identifier [Axis]: LKCM Headwater Investments | LP Interests (LKCM Headwater Investments I, L.P.)        
Schedule of Investments [Line Items]        
Units (as a percent) [13],[17],[18],[35],[49] 2.27%      
Cost [3],[13],[17],[18],[35],[49] $ 0      
Fair value [7],[13],[17],[18],[35],[49] $ 265      
Investment, Identifier [Axis]: LLFlex, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 11.81% [13],[15],[31] 12.14% [14],[16],[34]    
Spread (as a percent) 8.00% [13],[15],[29],[31] 8.00% [14],[16],[32],[34]    
PIK Rate 3.00% [13],[15],[25],[31] 3.00% [14],[16],[26],[34]    
Principal $ 4,246 [3],[13],[15],[31] $ 4,226 [6],[14],[16],[34]    
Cost 4,163 [3],[13],[15],[31] 4,207 [6],[14],[16],[34]    
Fair value $ 3,453 [7],[13],[15],[31] $ 3,328 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Legacy Swim Group | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 366 [9],[35] 366 [10],[36]    
Cost $ 14,996 [3],[9],[35] $ 14,996 [6],[10],[36]    
Fair value $ 14,996 [7],[9],[35] $ 14,996 [8],[10],[36]    
Investment, Identifier [Axis]: Legacy Swim Group | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 13.00% [9] 13.00% [10]    
Principal $ 32,000 [3],[9] $ 32,000 [6],[10]    
Cost 31,707 [3],[9] 31,691 [6],[10]    
Fair value $ 31,707 [7],[9] $ 31,691 [8],[10]    
Investment, Identifier [Axis]: Logix Acquisition Company, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 11.17% [13],[15],[31] 11.41% [14],[16],[34]    
Spread (as a percent) 7.50% [13],[15],[29],[31] 7.50% [14],[16],[32],[34]    
PIK Rate 2.75% [13],[15],[25],[31] 2.75% [14],[16],[26],[34]    
Principal $ 44,438 [3],[13],[15],[31] $ 44,135 [6],[14],[16],[34]    
Cost 43,812 [3],[13],[15],[31] 43,451 [6],[14],[16],[34]    
Fair value 44,438 [7],[13],[15],[31] 44,135 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Logix Acquisition Company, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Principal 2,963 [3],[13],[15] 2,963 [6],[14],[16]    
Cost 2,344 [3],[13],[15] 2,287 [6],[14],[16]    
Fair value $ 2,260 [7],[13],[15] $ 2,204 [8],[14],[16]    
Investment, Identifier [Axis]: Looking Glass Investments, LLC | Member Units        
Schedule of Investments [Line Items]        
Units (in shares) 3 [13],[17],[18] 3 [14],[19],[20]    
Cost $ 125 [3],[13],[17],[18] $ 125 [6],[14],[19],[20]    
Fair value $ 25 [7],[13],[17],[18] $ 25 [8],[14],[19],[20]    
Investment, Identifier [Axis]: MCT Purchaserco Holding Inc. | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 1,590,287 [13],[15],[17],[23] 1,590,287 [14],[16],[19],[24]    
Cost $ 1,139 [3],[13],[15],[17],[23] $ 1,139 [6],[14],[16],[19],[24]    
Fair value $ 1,139 [7],[13],[15],[17],[23] $ 1,139 [8],[14],[16],[19],[24]    
Investment, Identifier [Axis]: MCT Purchaserco Holding Inc. | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 9.20% [13],[15],[17],[23],[31] 9.36% [14],[16],[19],[24],[34]    
Spread (as a percent) 5.50% [13],[15],[17],[23],[29],[31] 5.50% [14],[16],[19],[24],[32],[34]    
Principal $ 8,944 [3],[13],[15],[17],[23],[31] $ 6,097 [6],[14],[16],[19],[24],[34]    
Cost 8,838 [3],[13],[15],[17],[23],[31] 5,985 [6],[14],[16],[19],[24],[34]    
Fair value $ 8,838 [7],[13],[15],[17],[23],[31] $ 5,985 [8],[14],[16],[19],[24],[34]    
Investment, Identifier [Axis]: MCT Purchaserco Holding Inc. | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.17% [13],[15],[17],[23],[31] 9.29% [14],[16],[19],[24],[34]    
Spread (as a percent) 5.50% [13],[15],[17],[23],[29],[31] 5.50% [14],[16],[19],[24],[32],[34]    
Principal $ 39,656 [3],[13],[15],[17],[23],[31] $ 39,755 [6],[14],[16],[19],[24],[34]    
Cost 39,284 [3],[13],[15],[17],[23],[31] 39,364 [6],[14],[16],[19],[24],[34]    
Fair value $ 39,284 [7],[13],[15],[17],[23],[31] $ 39,364 [8],[14],[16],[19],[24],[34]    
Investment, Identifier [Axis]: MS Private Loan Fund I, LP | LP Interests        
Schedule of Investments [Line Items]        
Units (as a percent) 14.51% [9],[17],[18],[35],[49] 14.51% [10],[19],[20],[36],[50]    
Cost $ 15,000 [3],[9],[17],[18],[35],[49] $ 15,000 [6],[10],[19],[20],[36],[50]    
Fair value $ 13,593 [7],[9],[17],[18],[35],[49] $ 14,697 [8],[10],[19],[20],[36],[50] $ 13,857 14,034
Investment, Identifier [Axis]: MS Private Loan Fund I, LP | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 6.69% [9],[17],[18],[31] 6.88% [10],[19],[20],[34] 5.00%  
Spread (as a percent) 3.00% [9],[17],[18],[29],[31] 3.00% [10],[19],[20],[32],[34]    
Principal $ 12,300 [3],[9],[17],[18],[31] $ 12,000 [6],[10],[19],[20],[34]    
Cost 12,300 [3],[9],[17],[18],[31] 12,000 [6],[10],[19],[20],[34]    
Fair value $ 12,300 [7],[9],[17],[18],[31] $ 12,000 [8],[10],[19],[20],[34] $ 10,000 1,600
Investment, Identifier [Axis]: MS Private Loan Fund II, LP | LP Interests        
Schedule of Investments [Line Items]        
Units (as a percent) 12.46% [9],[17],[18],[35],[49] 12.46% [10],[19],[20],[36],[50]    
Cost $ 10,500 [3],[9],[17],[18],[35],[49] $ 10,500 [6],[10],[19],[20],[36],[50]    
Fair value $ 11,153 [7],[9],[17],[18],[35],[49] $ 11,064 [8],[10],[19],[20],[36],[50] $ 8,551 7,843
Investment, Identifier [Axis]: MS Private Loan Fund II, LP | Secured Debt        
Schedule of Investments [Line Items]        
Spread (as a percent) 3.00% [9],[17],[18],[29],[30],[31] 3.00% [10],[19],[20],[32],[33],[34] 3.50%  
Principal $ 0 [3],[9],[17],[18],[30],[31] $ 0 [6],[10],[19],[20],[33],[34]    
Cost (77) [3],[9],[17],[18],[30],[31] (84) [6],[10],[19],[20],[33],[34]    
Fair value $ (77) [7],[9],[17],[18],[30],[31] $ (84) [8],[10],[19],[20],[33],[34] $ (104) (59)
Investment, Identifier [Axis]: MSC Adviser I, LLC | Member Units        
Schedule of Investments [Line Items]        
Units (as a percent) 100.00% [9],[35],[62] 100.00% [10],[36],[63]    
Cost $ 29,500 [3],[9],[35],[62] $ 29,500 [6],[10],[36],[63]    
Fair value $ 233,060 [7],[9],[35],[62] $ 255,020 [8],[10],[36],[63] 238,170 246,000
Investment, Identifier [Axis]: MSC Income Fund, Inc. | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 2,025,220 [9],[17],[18],[35] 1,642,635 [10],[19],[20],[36]    
Cost $ 30,013 [3],[9],[17],[18],[35] $ 25,082 [6],[10],[19],[20],[36]    
Fair value $ 24,667 [7],[9],[17],[18],[35] 21,412 [8],[10],[19],[20],[36] $ 21,512 16,810
Investment, Identifier [Axis]: MSC Income Fund, Inc. | Secured Debt        
Schedule of Investments [Line Items]        
Spread (as a percent) [9],[17],[18],[29],[30],[31] 4.50%      
Principal [3],[9],[17],[18],[30],[31] $ 0      
Cost [3],[9],[17],[18],[30],[31] (147)      
Fair value $ (147) [7],[9],[17],[18],[30],[31] $ 0    
Investment, Identifier [Axis]: MVI MSO, LLC 1        
Schedule of Investments [Line Items]        
Total Rate     13.00%  
Fair value     $ 9,753 0
Investment, Identifier [Axis]: MVI MSO, LLC 2        
Schedule of Investments [Line Items]        
Fair value     2,700 0
Investment, Identifier [Axis]: MVI MSO, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 270 [9],[35] 270 [10],[36]    
Cost $ 2,700 [3],[9],[35] $ 2,700 [6],[10],[36]    
Fair value $ 4,080 [7],[9],[35] $ 4,770 [8],[10],[36]    
Investment, Identifier [Axis]: MVI MSO, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 13.00% [9] 13.00% [10]    
Principal $ 9,850 [3],[9] $ 9,850 [6],[10]    
Cost 9,772 [3],[9] 9,768 [6],[10]    
Fair value $ 9,772 [7],[9] $ 9,768 [8],[10]    
Investment, Identifier [Axis]: Metalforming Holdings, LLC | Common Stock        
Schedule of Investments [Line Items]        
Units (in shares) 1,537,219 [9],[35] 1,537,219 [10],[36]    
Cost $ 1,537 [3],[9],[35] $ 1,537 [6],[10],[36]    
Fair value $ 10,060 [7],[9],[35] $ 9,770 [8],[10],[36] $ 7,370 6,850
Investment, Identifier [Axis]: Metalforming Holdings, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 5,915,585 [9],[35] 5,915,585 [10],[36]    
Total Rate 8.00% [9],[35] 8.00% [10],[36] 8.00%  
PIK Rate 8.00% [9],[25],[35] 8.00% [10],[26],[36] 8.00%  
Cost $ 5,916 [3],[9],[35] $ 5,916 [6],[10],[36]    
Fair value 5,916 [7],[9],[35] 5,916 [8],[10],[36] $ 5,916 6,397
Investment, Identifier [Axis]: Metalforming Holdings, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Principal 0 [3],[9],[30] 0 [6],[10],[33],[37]    
Cost 0 [3],[9],[30] 0 [6],[10],[33],[37]    
Fair value $ 0 [7],[9],[30] $ 0 [8],[10],[33],[37] $ (7) (11)
Investment, Identifier [Axis]: Metalforming Holdings, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 8.75% [9] 8.75% [10] 9.75%  
Principal $ 17,237 [3],[9] $ 17,237 [6],[10]    
Cost 17,184 [3],[9] 17,175 [6],[10]    
Fair value $ 17,237 [7],[9] $ 17,237 [8],[10] $ 18,933 20,844
Investment, Identifier [Axis]: Microbe Formulas, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 5.50% [13],[15],[29],[30],[31] 5.50% [14],[16],[32],[33],[34]    
Principal $ 0 [3],[13],[15],[30],[31] $ 0 [6],[14],[16],[33],[34]    
Cost (24) [3],[13],[15],[30],[31] (27) [6],[14],[16],[33],[34]    
Fair value $ (24) [7],[13],[15],[30],[31] $ (27) [8],[14],[16],[33],[34]    
Investment, Identifier [Axis]: Microbe Formulas, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.27% [13],[15],[31] 9.32% [14],[16],[34]    
Spread (as a percent) 5.50% [13],[15],[29],[31] 5.50% [14],[16],[32],[34]    
Principal $ 10,995 [3],[13],[15],[31] $ 11,023 [6],[14],[16],[34]    
Cost 10,904 [3],[13],[15],[31] 10,920 [6],[14],[16],[34]    
Fair value $ 10,995 [7],[13],[15],[31] $ 11,023 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Microbe Formulas, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 9.27% [13],[15],[31] 9.32% [14],[16],[34]    
Spread (as a percent) 5.50% [13],[15],[29],[31] 5.50% [14],[16],[32],[34]    
Principal $ 13,346 [3],[13],[15],[31] $ 13,886 [6],[14],[16],[34]    
Cost 13,254 [3],[13],[15],[31] 13,779 [6],[14],[16],[34]    
Fair value $ 13,346 [7],[13],[15],[31] $ 13,886 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC | Common Equity        
Schedule of Investments [Line Items]        
Fair value     $ 13,340 13,840
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 66,306 [11],[15],[35],[44] 66,306 [12],[16],[45]    
Cost $ 15,224 [3],[11],[15],[35],[44] $ 14,946 [6],[12],[16],[45]    
Fair value $ 11,730 [7],[11],[15],[35],[44] $ 12,557 [8],[12],[16],[45]    
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate     9.79%  
Spread (as a percent)     5.50%  
Fair value     $ 2,652 0
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 9.81% [11],[15],[31] 9.81% [12],[16],[34]    
Spread (as a percent) 5.50% [11],[15],[29],[31] 5.50% [12],[16],[32],[34]    
PIK Rate 9.81% [11],[15],[25],[31] 9.81% [12],[16],[26],[34]    
Principal $ 2,974 [3],[11],[15],[31] $ 2,903 [6],[12],[16],[34]    
Cost 2,974 [3],[11],[15],[31] 2,903 [6],[12],[16],[34]    
Fair value $ 2,867 [7],[11],[15],[31] $ 2,796 [8],[12],[16],[34]    
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.17% [11],[15],[31],[59] 9.32% [12],[16],[34],[60]    
Spread (as a percent) 5.50% [11],[15],[29],[31],[59] 5.50% [12],[16],[32],[34],[60]    
PIK Rate 9.17% [11],[15],[25],[31],[59] 9.32% [12],[16],[26],[34],[60]    
Principal $ 1,769 [3],[11],[15],[31],[59] $ 1,729 [6],[12],[16],[34],[60]    
Cost 1,769 [3],[11],[15],[31],[59] 1,729 [6],[12],[16],[34],[60]    
Fair value $ 1,706 [7],[11],[15],[31],[59] $ 1,664 [8],[12],[16],[34],[60]    
Investment, Identifier [Axis]: Mini Melts of America, LLC | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 524,888 [13],[15] 524,888 [14],[16]    
Cost $ 525 [3],[13],[15] $ 525 [6],[14],[16]    
Fair value $ 230 [7],[13],[15] $ 280 [8],[14],[16]    
Investment, Identifier [Axis]: Mini Melts of America, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 9.92% [13],[15],[31],[38] 10.06% [14],[16],[34],[39]    
Spread (as a percent) 6.25% [13],[15],[29],[31],[38] 6.25% [14],[16],[32],[34],[39]    
Principal $ 1,540 [3],[13],[15],[31],[38] $ 1,425 [6],[14],[16],[34],[39]    
Cost 1,517 [3],[13],[15],[31],[38] 1,400 [6],[14],[16],[34],[39]    
Fair value $ 1,429 [7],[13],[15],[31],[38] $ 1,361 [8],[14],[16],[34],[39]    
Investment, Identifier [Axis]: Mini Melts of America, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.92% [13],[15],[31],[59] 10.05% [14],[16],[34],[60]    
Spread (as a percent) 6.25% [13],[15],[29],[31],[59] 6.25% [14],[16],[32],[34],[60]    
Principal $ 1,302 [3],[13],[15],[31],[59] $ 1,305 [6],[14],[16],[34],[60]    
Cost 1,284 [3],[13],[15],[31],[59] 1,285 [6],[14],[16],[34],[60]    
Fair value $ 1,208 [7],[13],[15],[31],[59] $ 1,246 [8],[14],[16],[34],[60]    
Investment, Identifier [Axis]: Mini Melts of America, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 8.92% [13],[15],[31] 9.07% [14],[16],[34]    
Spread (as a percent) 5.25% [13],[15],[29],[31] 5.25% [14],[16],[32],[34]    
Principal $ 4,821 [3],[13],[15],[31] $ 4,833 [6],[14],[16],[34]    
Cost 4,758 [3],[13],[15],[31] 4,764 [6],[14],[16],[34]    
Fair value $ 4,472 [7],[13],[15],[31] $ 4,615 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Mini Melts of America, LLC | Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 10.92% [13],[15],[31] 11.07% [14],[16],[34]    
Spread (as a percent) 7.25% [13],[15],[29],[31] 7.25% [14],[16],[32],[34]    
Principal $ 4,821 [3],[13],[15],[31] $ 4,833 [6],[14],[16],[34]    
Cost 4,756 [3],[13],[15],[31] 4,762 [6],[14],[16],[34]    
Fair value $ 4,470 [7],[13],[15],[31] $ 4,597 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Mission Critical Group | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 1,234 [13],[15] 1,234 [14],[16]    
Cost $ 1,234 [3],[13],[15] $ 1,234 [6],[14],[16]    
Fair value $ 22,240 [7],[13],[15] $ 15,530 [8],[14],[16]    
Investment, Identifier [Axis]: Mission Critical Group | Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 5.50% [13],[15],[29],[30],[31] 5.50% [14],[16],[32],[33],[34]    
Principal $ 0 [3],[13],[15],[30],[31] $ 0 [6],[14],[16],[33],[34]    
Cost (184) [3],[13],[15],[30],[31] (196) [6],[14],[16],[33],[34]    
Fair value $ (184) [7],[13],[15],[30],[31] $ (196) [8],[14],[16],[33],[34]    
Investment, Identifier [Axis]: Mission Critical Group | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.17% [13],[15],[31] 9.33% [14],[16],[34]    
Spread (as a percent) 5.50% [13],[15],[29],[31] 5.50% [14],[16],[32],[34]    
Principal $ 14,661 [3],[13],[15],[31] $ 14,698 [6],[14],[16],[34]    
Cost 14,263 [3],[13],[15],[31] 14,274 [6],[14],[16],[34]    
Fair value $ 14,661 [7],[13],[15],[31] $ 14,698 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Mission Critical Group | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 9.17% [13],[15],[31] 9.23% [14],[16],[34]    
Spread (as a percent) 5.50% [13],[15],[29],[31] 5.50% [14],[16],[32],[34]    
Principal $ 65,932 [3],[13],[15],[31] $ 66,099 [6],[14],[16],[34]    
Cost 64,874 [3],[13],[15],[31] 64,972 [6],[14],[16],[34]    
Fair value $ 65,932 [7],[13],[15],[31] $ 66,099 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Moffitt Holdings, LLC 1        
Schedule of Investments [Line Items]        
Total Rate     13.00%  
Fair value     $ 34,656 0
Investment, Identifier [Axis]: Moffitt Holdings, LLC 2        
Schedule of Investments [Line Items]        
Fair value     $ 14,300 0
Investment, Identifier [Axis]: Moffitt Holdings, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 14,300 [9] 14,300 [10]    
Cost $ 14,300 [3],[9] $ 14,300 [6],[10]    
Fair value $ 15,560 [7],[9] $ 15,560 [8],[10]    
Investment, Identifier [Axis]: Moffitt Holdings, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 13.00% [9] 13.00% [10]    
Principal $ 33,688 [3],[9] $ 34,125 [6],[10]    
Cost 33,422 [3],[9] 33,840 [6],[10]    
Fair value $ 33,422 [7],[9] $ 33,840 [8],[10]    
Investment, Identifier [Axis]: MoneyThumb Acquisition, LLC | Preferred Member Units        
Schedule of Investments [Line Items]        
Units (in shares) 163,282 [11],[35] 163,282 [12],[36]    
Total Rate 12.00% [11],[35] 12.00% [12],[36] 12.00%  
PIK Rate 12.00% [11],[25],[35] 12.00% [12],[26],[36] 12.00%  
Cost $ 1,982 [3],[11],[35] $ 1,924 [6],[12],[36]    
Fair value $ 2,300 [7],[11],[35] $ 2,112 [8],[12],[36] $ 1,758 1,707
Investment, Identifier [Axis]: MoneyThumb Acquisition, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 14.00% [11] 14.00% [12] 14.00%  
Principal $ 7,564 [3],[11] $ 8,160 [6],[12]    
Cost 7,163 [3],[11] 7,696 [6],[12]    
Fair value $ 7,163 [7],[11] $ 7,696 [8],[12] $ 9,001 8,967
Investment, Identifier [Axis]: MoneyThumb Acquisition, LLC | Warrants        
Schedule of Investments [Line Items]        
Units (in shares) 59,368 [11],[42] 59,368 [12],[43]    
Cost $ 594 [3],[11],[42] $ 594 [6],[12],[43]    
Fair value $ 870 [7],[11],[42] $ 800 [8],[12],[43] 594 594
Investment, Identifier [Axis]: MonitorUS Holding, LLC | Common Stock        
Schedule of Investments [Line Items]        
Units (in shares) 111,058,246 [13],[15],[17],[23] 106,608,424 [14],[16],[19],[24]    
Cost $ 1,221 [3],[13],[15],[17],[23] $ 1,150 [6],[14],[16],[19],[24]    
Fair value $ 545 [7],[13],[15],[17],[23] $ 707 [8],[14],[16],[19],[24]    
Investment, Identifier [Axis]: MonitorUS Holding, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 10.21% [13],[15],[17],[23],[31] 10.18% [14],[16],[19],[24],[34]    
Spread (as a percent) 6.25% [13],[15],[17],[23],[29],[31] 6.25% [14],[16],[19],[24],[32],[34]    
Principal $ 4,101 [3],[13],[15],[17],[23],[31] $ 4,101 [6],[14],[16],[19],[24],[34]    
Cost 4,084 [3],[13],[15],[17],[23],[31] 4,080 [6],[14],[16],[19],[24],[34]    
Fair value $ 4,329 [7],[13],[15],[17],[23],[31] $ 4,417 [8],[14],[16],[19],[24],[34]    
Investment, Identifier [Axis]: MonitorUS Holding, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.21% [13],[15],[17],[23],[31] 10.18% [14],[16],[19],[24],[34]    
Spread (as a percent) 6.25% [13],[15],[17],[23],[29],[31] 6.25% [14],[16],[19],[24],[32],[34]    
Principal $ 10,635 [3],[13],[15],[17],[23],[31] $ 10,661 [6],[14],[16],[19],[24],[34]    
Cost 10,586 [3],[13],[15],[17],[23],[31] 10,602 [6],[14],[16],[19],[24],[34]    
Fair value $ 12,121 [7],[13],[15],[17],[23],[31] $ 12,399 [8],[14],[16],[19],[24],[34]    
Investment, Identifier [Axis]: MonitorUS Holding, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 10.21% [13],[15],[17],[23],[31] 10.18% [14],[16],[19],[24],[34]    
Spread (as a percent) 6.25% [13],[15],[17],[23],[29],[31] 6.25% [14],[16],[19],[24],[32],[34]    
Principal $ 17,890 [3],[13],[15],[17],[23],[31] $ 17,933 [6],[14],[16],[19],[24],[34]    
Cost 17,813 [3],[13],[15],[17],[23],[31] 17,839 [6],[14],[16],[19],[24],[34]    
Fair value $ 17,890 [7],[13],[15],[17],[23],[31] $ 17,933 [8],[14],[16],[19],[24],[34]    
Investment, Identifier [Axis]: MonitorUS Holding, LLC | Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 10.21% [13],[15],[17],[23],[31] 10.18% [14],[16],[19],[24],[34]    
Spread (as a percent) 6.25% [13],[15],[17],[23],[29],[31] 6.25% [14],[16],[19],[24],[32],[34]    
Principal $ 1,228 [3],[13],[15],[17],[23],[31] $ 1,231 [6],[14],[16],[19],[24],[34]    
Cost 1,214 [3],[13],[15],[17],[23],[31] 1,214 [6],[14],[16],[19],[24],[34]    
Fair value $ 1,216 [7],[13],[15],[17],[23],[31] $ 1,244 [8],[14],[16],[19],[24],[34]    
Investment, Identifier [Axis]: MonitorUS Holding, LLC | Unsecured Debt        
Schedule of Investments [Line Items]        
Total Rate [14],[16],[19],[24]   8.00%    
PIK Rate [14],[16],[19],[24],[26]   8.00%    
Principal [6],[14],[16],[19],[24]   $ 81    
Cost [6],[14],[16],[19],[24]   81    
Fair value [8],[14],[16],[19],[24]   $ 81    
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC | Common Stock        
Schedule of Investments [Line Items]        
Fair value     26,370 26,370
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Fair value     $ 0 0
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate     10.00%  
Fair value     $ 5,746 5,746
Investment, Identifier [Axis]: NAPCO Precast, LLC | Member Units        
Schedule of Investments [Line Items]        
Fair value     8,890 9,050
Investment, Identifier [Axis]: NAPCO Precast, LLC | Member Units 1        
Schedule of Investments [Line Items]        
Units (in shares) 2,955 [9],[35] 2,955 [10],[36]    
Cost $ 4,145 [3],[9],[35] $ 4,145 [6],[10],[36]    
Fair value $ 11,150 [7],[9],[35] $ 14,480 [8],[10],[36]    
Investment, Identifier [Axis]: NAPCO Precast, LLC | Member Units 2        
Schedule of Investments [Line Items]        
Units (in shares) 468 [9],[35],[44] 468 [10],[45]    
Cost $ 0 [3],[9],[35],[44] $ 0 [6],[10],[45]    
Fair value $ 568 [7],[9],[35],[44] $ 568 [8],[10],[45]    
Investment, Identifier [Axis]: NRP Jones, LLC | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 927,581 [9],[44] 927,581 [10],[45]    
Cost $ 928 [3],[9],[44] $ 928 [6],[10],[45]    
Fair value $ 928 [7],[9],[44] $ 928 [8],[10],[45]    
Investment, Identifier [Axis]: NRP Jones, LLC | Member Units 1        
Schedule of Investments [Line Items]        
Units (in shares) 74,761 [9] 74,761 [10]    
Cost $ 114 [3],[9] $ 114 [6],[10]    
Fair value $ 0 [7],[9] $ 0 [8],[10] 1,518 2,696
Investment, Identifier [Axis]: NRP Jones, LLC | Member Units 2        
Schedule of Investments [Line Items]        
Units (in shares) 74,761 [9] 74,761 [10]    
Cost $ 3,823 [3],[9] $ 3,823 [6],[10]    
Fair value $ 0 [7],[9] $ 0 [8],[10] 62 94
Investment, Identifier [Axis]: NRP Jones, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 495,000 [9] 495,000 [10]    
Cost $ 482 [3],[9] $ 482 [6],[10]    
Fair value $ 0 [7],[9] $ 0 [8],[10] $ 1,238 0
Investment, Identifier [Axis]: NRP Jones, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 12.00% [9],[27] 12.00% [10],[28] 12.00%  
Principal $ 2,191 [3],[9],[27] $ 2,191 [6],[10],[28]    
Cost 2,160 [3],[9],[27] 2,161 [6],[10],[28]    
Fair value $ 370 [7],[9],[27] $ 474 [8],[10],[28] $ 2,183 2,178
Investment, Identifier [Axis]: Nearshore AcquireCo, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 10,520,000 [11] 10,520,000 [12]    
Cost $ 5,260 [3],[11] $ 5,260 [6],[12]    
Fair value 5,260 [7],[11] 5,260 [8],[12]    
Investment, Identifier [Axis]: Nearshore AcquireCo, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Principal 0 [3],[11],[30] 0 [6],[12],[33]    
Cost (23) [3],[11],[30] (24) [6],[12],[33]    
Fair value (23) [7],[11],[30] (24) [8],[12],[33]    
Investment, Identifier [Axis]: Nearshore AcquireCo, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Principal 0 [3],[11],[30] 0 [6],[12],[33]    
Cost (58) [3],[11],[30] (61) [6],[12],[33]    
Fair value $ (58) [7],[11],[30] $ (61) [8],[12],[33]    
Investment, Identifier [Axis]: Nearshore AcquireCo, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 13.00% [11] 13.00% [12]    
Principal $ 21,900 [3],[11] $ 21,900 [6],[12]    
Cost 21,699 [3],[11] 21,688 [6],[12]    
Fair value $ 21,699 [7],[11] $ 21,688 [8],[12]    
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC | Preferred Member Units        
Schedule of Investments [Line Items]        
Fair value     $ 60,560 32,040
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC | 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 | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate     12.50%  
Fair value     $ 62,200 62,200
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate     12.50%  
Fair value     $ 7,250 4,650
Investment, Identifier [Axis]: Nello Industries Investco, LLC | Common Equity        
Schedule of Investments [Line Items]        
Fair value     $ 16,500 15,560
Investment, Identifier [Axis]: Nello Industries Investco, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 336,803 [9],[35] 336,803 [10],[36]    
Cost $ 11,197 [3],[9],[35] $ 11,197 [6],[10],[36]    
Fair value $ 29,550 [7],[9],[35] $ 23,330 [8],[10],[36]    
Investment, Identifier [Axis]: Nello Industries Investco, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 12.50% [9] 12.50% [10]    
Principal $ 41,272 [3],[9] $ 32,072 [6],[10]    
Cost 41,067 [3],[9] 31,867 [6],[10]    
Fair value 41,272 [7],[9] 32,072 [8],[10]    
Investment, Identifier [Axis]: Nello Industries Investco, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent)     6.50%  
Fair value $ 0 32,072 $ 0 (16)
Investment, Identifier [Axis]: Nello Industries Investco, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.50%   13.50%  
Fair value $ 41,272 0 $ 26,972 26,959
Investment, Identifier [Axis]: NexRev LLC | Preferred Member Units        
Schedule of Investments [Line Items]        
Units (in shares) [9] 103,144,186      
Cost [3],[9] $ 8,213      
Fair value $ 12,590 [7],[9] $ 12,870 13,420 11,910
Investment, Identifier [Axis]: NexRev LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Fair value     0 0
Investment, Identifier [Axis]: NexRev LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Fair value     0 9,811
Investment, Identifier [Axis]: NuStep, LLC | Preferred Member Units 1        
Schedule of Investments [Line Items]        
Units (in shares) 2,400 [9] 2,400 [10]    
Cost $ 2,785 [3],[9] $ 2,785 [6],[10]    
Fair value 6,290 [7],[9] 6,110 [8],[10] 12,200 11,550
Investment, Identifier [Axis]: NuStep, LLC | Preferred Member Units 1.1        
Schedule of Investments [Line Items]        
Fair value 10,930 12,200    
Investment, Identifier [Axis]: NuStep, LLC | Preferred Member Units 1.2        
Schedule of Investments [Line Items]        
Fair value $ 6,290 $ 6,110    
Investment, Identifier [Axis]: NuStep, LLC | Preferred Member Units 2        
Schedule of Investments [Line Items]        
Units (in shares) 486 [9] 486 [10]    
Cost $ 11,866 [3],[9] $ 11,866 [6],[10]    
Fair value $ 10,930 [7],[9] $ 12,200 [8],[10] $ 6,000 6,000
Investment, Identifier [Axis]: NuStep, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 10.29% [9],[31] 10.48% [10],[34],[37] 10.98%  
Spread (as a percent) 6.50% [9],[29],[31] 6.50% [10],[32],[34],[37] 6.50%  
Principal $ 2,600 [3],[9],[31] $ 1,000 [6],[10],[34],[37]    
Cost 2,600 [3],[9],[31] 1,000 [6],[10],[34],[37]    
Fair value $ 2,600 [7],[9],[31] 1,000 [8],[10],[34],[37] $ 3,600 3,600
Investment, Identifier [Axis]: NuStep, LLC | Secured Debt 1.1        
Schedule of Investments [Line Items]        
Total Rate 10.29%      
Spread (as a percent) 6.50%      
Fair value $ 2,600 1,000    
Investment, Identifier [Axis]: NuStep, LLC | Secured Debt 1.2        
Schedule of Investments [Line Items]        
Total Rate 12.00%      
Fair value $ 18,166 $ 18,440    
Investment, Identifier [Axis]: NuStep, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.00% [9] 12.00% [10],[37] 12.00%  
Principal $ 18,440 [3],[9] $ 18,440 [6],[10],[37]    
Cost 18,166 [3],[9] 18,440 [6],[10],[37]    
Fair value $ 18,166 [7],[9] $ 18,440 [8],[10],[37] $ 18,440 18,439
Investment, Identifier [Axis]: OMi Topco, LLC | Preferred Member Units        
Schedule of Investments [Line Items]        
Units (in shares) 900 [9],[35] 900 [10],[36]    
Cost $ 1,080 [3],[9],[35] $ 1,080 [6],[10],[36]    
Fair value $ 79,040 [7],[9],[35] $ 77,900 [8],[10],[36] 75,820 72,720
Investment, Identifier [Axis]: OMi Topco, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 12.00% [9] 12.00% [10]    
Principal $ 29,000 [3],[9] $ 29,000 [6],[10]    
Cost 28,959 [3],[9] 28,956 [6],[10]    
Fair value $ 29,000 [7],[9] $ 29,000 [8],[10]    
Investment, Identifier [Axis]: OMi Topco, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Fair value     $ 0 9,000
Investment, Identifier [Axis]: OMi Topco, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate     12.00%  
Fair value     $ 14,000 0
Investment, Identifier [Axis]: OMi Topco, LLC, Preferred Member Units        
Schedule of Investments [Line Items]        
Units (in shares) [10],[36]   103,144,186    
Cost [6],[10],[36]   $ 8,213    
Fair value [8],[10],[36]   $ 12,870    
Investment, Identifier [Axis]: Obra Capital, Inc. | Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 7.25% [13],[15],[29],[30],[31] 7.25% [14],[16],[32],[33],[34]    
Principal $ 0 [3],[13],[15],[30],[31] $ 0 [6],[14],[16],[33],[34]    
Cost (3) [3],[13],[15],[30],[31] (3) [6],[14],[16],[33],[34]    
Fair value $ (3) [7],[13],[15],[30],[31] $ (3) [8],[14],[16],[33],[34]    
Investment, Identifier [Axis]: Obra Capital, Inc. | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 11.04% [13],[15],[31] 11.09% [14],[16],[34]    
Spread (as a percent) 7.25% [13],[15],[29],[31] 7.25% [14],[16],[32],[34]    
Principal $ 26,023 [3],[13],[15],[31] $ 26,089 [6],[14],[16],[34]    
Cost 25,522 [3],[13],[15],[31] 25,549 [6],[14],[16],[34]    
Fair value $ 26,023 [7],[13],[15],[31] $ 26,089 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Obra Capital, Inc. | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 11.04% [13],[15],[31] 11.09% [14],[16],[34]    
Spread (as a percent) 7.25% [13],[15],[29],[31] 7.25% [14],[16],[32],[34]    
Principal $ 3,147 [3],[13],[15],[31] $ 3,155 [6],[14],[16],[34]    
Cost 3,073 [3],[13],[15],[31] 3,075 [6],[14],[16],[34]    
Fair value $ 3,147 [7],[13],[15],[31] $ 3,155 [8],[14],[16],[34]    
Investment, Identifier [Axis]: OnAsset Intelligence, Inc. | Common Stock        
Schedule of Investments [Line Items]        
Units (in shares) 635 [11] 635 [12]    
Cost $ 830 [3],[11] $ 830 [6],[12]    
Fair value $ 0 [7],[11] $ 0 [8],[12] $ 0 0
Investment, Identifier [Axis]: OnAsset Intelligence, Inc. | Preferred Stock        
Schedule of Investments [Line Items]        
Units (in shares) 912 [11] 912 [12]    
Total Rate 7.00% [11] 7.00% [12] 7.00%  
PIK Rate 7.00% [11],[25] 7.00% [12],[26] 7.00%  
Cost $ 1,981 [3],[11] $ 1,981 [6],[12]    
Fair value $ 0 [7],[11] $ 0 [8],[12] $ 0 0
Investment, Identifier [Axis]: OnAsset Intelligence, Inc. | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 12.00% [11],[27] 12.00% [12],[28] 12.00%  
PIK Rate 12.00% [11],[25],[27] 12.00% [12],[26],[28] 12.00%  
Principal $ 4,415 [3],[11],[27] $ 4,415 [6],[12],[28]    
Cost 4,415 [3],[11],[27] 4,415 [6],[12],[28]    
Fair value $ 646 [7],[11],[27] 645 [8],[12],[28] $ 99 99
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 $ 141 141    
Investment, Identifier [Axis]: OnAsset Intelligence, Inc. | Secured Debt 1.2        
Schedule of Investments [Line Items]        
Total Rate 12.00%      
PIK Rate 12.00%      
Fair value $ 144 144    
Investment, Identifier [Axis]: OnAsset Intelligence, Inc. | Secured Debt 1.3        
Schedule of Investments [Line Items]        
Total Rate 12.00%      
PIK Rate 12.00%      
Fair value $ 309 309    
Investment, Identifier [Axis]: OnAsset Intelligence, Inc. | Secured Debt 1.4        
Schedule of Investments [Line Items]        
Total Rate 12.00%      
PIK Rate 12.00%      
Fair value $ 646 $ 645    
Investment, Identifier [Axis]: OnAsset Intelligence, Inc. | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.00% [11],[27] 12.00% [12],[28] 12.00%  
PIK Rate 12.00% [11],[25],[27] 12.00% [12],[26],[28] 12.00%  
Principal $ 2,116 [3],[11],[27] $ 2,116 [6],[12],[28]    
Cost 2,116 [3],[11],[27] 2,116 [6],[12],[28]    
Fair value $ 309 [7],[11],[27] $ 309 [8],[12],[28] $ 101 101
Investment, Identifier [Axis]: OnAsset Intelligence, Inc. | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 12.00% [11],[27] 12.00% [12],[28] 12.00%  
PIK Rate 12.00% [11],[25],[27] 12.00% [12],[26],[28] 12.00%  
Principal $ 983 [3],[11],[27] $ 983 [6],[12],[28]    
Cost 983 [3],[11],[27] 983 [6],[12],[28]    
Fair value $ 144 [7],[11],[27] $ 144 [8],[12],[28] $ 218 218
Investment, Identifier [Axis]: OnAsset Intelligence, Inc. | Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 12.00% [11],[27] 12.00% [12],[28] 12.00%  
PIK Rate 12.00% [11],[25],[27] 12.00% [12],[26],[28] 12.00%  
Principal $ 964 [3],[11],[27] $ 964 [6],[12],[28]    
Cost 964 [3],[11],[27] 964 [6],[12],[28]    
Fair value $ 141 [7],[11],[27] $ 141 [8],[12],[28] $ 457 457
Investment, Identifier [Axis]: OnAsset Intelligence, Inc. | Unsecured Debt        
Schedule of Investments [Line Items]        
Total Rate 10.00% [11],[27] 10.00% [12],[28] 10.00%  
PIK Rate 10.00% [11],[25],[27] 10.00% [12],[26],[28] 10.00%  
Principal $ 305 [3],[11],[27] $ 305 [6],[12],[28]    
Cost 305 [3],[11],[27] 305 [6],[12],[28]    
Fair value $ 0 [7],[11],[27] $ 0 [8],[12],[28] $ 305 305
Investment, Identifier [Axis]: OnAsset Intelligence, Inc. | Warrants        
Schedule of Investments [Line Items]        
Units (in shares) 4,699 [11],[42] 4,699 [12],[43]    
Cost $ 1,089 [3],[11],[42] $ 1,089 [6],[12],[43]    
Fair value $ 0 [7],[11],[42] $ 0 [8],[12],[43] 0 0
Investment, Identifier [Axis]: OnPoint Industrial Services, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 9.45% [13],[15],[31] 9.42% [14],[16],[34]    
Spread (as a percent) 5.75% [13],[15],[29],[31] 5.75% [14],[16],[32],[34]    
Principal $ 1,383 [3],[13],[15],[31] $ 1,386 [6],[14],[16],[34]    
Cost 1,373 [3],[13],[15],[31] 1,375 [6],[14],[16],[34]    
Fair value $ 1,383 [7],[13],[15],[31] $ 1,386 [8],[14],[16],[34]    
Investment, Identifier [Axis]: OnPoint Industrial Services, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.45% [13],[15],[31] 9.42% [14],[16],[34]    
Spread (as a percent) 5.75% [13],[15],[29],[31] 5.75% [14],[16],[32],[34]    
Principal $ 3,841 [3],[13],[15],[31] $ 3,851 [6],[14],[16],[34]    
Cost 3,819 [3],[13],[15],[31] 3,825 [6],[14],[16],[34]    
Fair value $ 3,841 [7],[13],[15],[31] $ 3,851 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Oneliance, LLC | Preferred Stock        
Schedule of Investments [Line Items]        
Units (in shares) 1,128 [11],[35] 1,128 [12],[36]    
Cost $ 1,128 [3],[11],[35] $ 1,128 [6],[12],[36]    
Fair value $ 3,270 [7],[11],[35] $ 3,270 [8],[12],[36] 2,830 2,580
Investment, Identifier [Axis]: Orttech Holdings, LLC | Preferred Stock        
Schedule of Investments [Line Items]        
Units (in shares) 10,000 [9],[44] 10,000 [10],[45]    
Cost $ 10,000 [3],[9],[44] $ 10,000 [6],[10],[45]    
Fair value $ 13,450 [7],[9],[44] $ 13,450 [8],[10],[45] $ 13,450 13,450
Investment, Identifier [Axis]: Orttech Holdings, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [10],[34]   14.98%    
Spread (as a percent) 11.00% [9],[29],[30],[31] 11.00% [10],[32],[34] 11.00%  
Principal $ 0 [3],[9],[30],[31] $ 612 [6],[10],[34]    
Cost 0 [3],[9],[30],[31] 612 [6],[10],[34]    
Fair value $ 0 [7],[9],[30],[31] $ 612 [8],[10],[34] $ 0 0
Investment, Identifier [Axis]: Orttech Holdings, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 14.79% [9],[31] 14.98% [10],[34] 15.48%  
Spread (as a percent) 11.00% [9],[29],[31] 11.00% [10],[32],[34] 11.00%  
Principal $ 20,760 [3],[9],[31] $ 20,760 [6],[10],[34]    
Cost 20,746 [3],[9],[31] 20,736 [6],[10],[34]    
Fair value 20,760 [7],[9],[31] 20,760 [8],[10],[34] $ 21,560 21,960
Investment, Identifier [Axis]: Ospemifene Royalty Sub LLC | Secured Debt        
Schedule of Investments [Line Items]        
Principal 4,335 [3],[13],[15],[27] 4,348 [6],[14],[16],[28]    
Cost 4,335 [3],[13],[15],[27] 4,348 [6],[14],[16],[28]    
Fair value $ 6 [7],[13],[15],[27] $ 19 [8],[14],[16],[28]    
Investment, Identifier [Axis]: Other | Preferred Equity        
Schedule of Investments [Line Items]        
Fair value    
Investment, Identifier [Axis]: PPL RVs, Inc. | Common Stock 1        
Schedule of Investments [Line Items]        
Units (in shares) 2,000 [9],[35] 2,000 [10],[36]    
Cost $ 2,150 [3],[9],[35] $ 2,150 [6],[10],[36]    
Fair value $ 15,710 [7],[9],[35] $ 17,330 [8],[10],[36] 18,160 17,110
Investment, Identifier [Axis]: PPL RVs, Inc. | Common Stock 2        
Schedule of Investments [Line Items]        
Units (in shares) 238,421 [9],[35],[44] 238,421 [10],[36],[45]    
Cost $ 238 [3],[9],[35],[44] $ 238 [6],[10],[36],[45]    
Fair value $ 575 [7],[9],[35],[44] $ 575 [8],[10],[36],[45] $ 514 514
Investment, Identifier [Axis]: PPL RVs, Inc. | Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 8.75% [9],[29],[30],[31] 8.75% [10],[32],[33],[34] 7.00%  
Principal $ 0 [3],[9],[30],[31] $ 0 [6],[10],[33],[34]    
Cost (3) [3],[9],[30],[31] (3) [6],[10],[33],[34]    
Fair value $ 0 [7],[9],[30],[31] $ 0 [8],[10],[33],[34] $ 0 0
Investment, Identifier [Axis]: PPL RVs, Inc. | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.60% [9],[31] 13.04% [10],[34] 11.48%  
Spread (as a percent) 8.75% [9],[29],[31] 8.75% [10],[32],[34] 7.00%  
Principal $ 15,191 [3],[9],[31] $ 15,191 [6],[10],[34]    
Cost 15,134 [3],[9],[31] 15,125 [6],[10],[34]    
Fair value $ 15,191 [7],[9],[31] $ 15,191 [8],[10],[34] $ 15,556 16,456
Investment, Identifier [Axis]: PavCon LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) [13],[15],[29],[30],[31] 5.50%      
Principal [3],[13],[15],[30],[31] $ 0      
Cost [3],[13],[15],[30],[31] (29)      
Fair value [7],[13],[15],[30],[31] $ (29)      
Investment, Identifier [Axis]: PavCon LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Spread (as a percent) [13],[15],[29],[30],[31] 5.50%      
Principal [3],[13],[15],[30],[31] $ 0      
Cost [3],[13],[15],[30],[31] (29)      
Fair value [7],[13],[15],[30],[31] $ (29)      
Investment, Identifier [Axis]: PavCon LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate [13],[15],[31] 9.46%      
Spread (as a percent) [13],[15],[29],[31] 5.50%      
Principal [3],[13],[15],[31] $ 10,850      
Cost [3],[13],[15],[31] 10,644      
Fair value [7],[13],[15],[31] $ 10,644      
Investment, Identifier [Axis]: Peaches Holding Corporation | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 3,226 [13] 3,226 [14]    
Cost $ 7,221 [3],[13] $ 7,221 [6],[14]    
Fair value $ 0 [7],[13] $ 0 [8],[14]    
Investment, Identifier [Axis]: Pinnacle TopCo, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 440 [9],[35] 440 [10],[36]    
Cost $ 12,540 [3],[9],[35] $ 12,540 [6],[10],[36]    
Fair value 20,440 [7],[9],[35] 20,440 [8],[10],[36] 20,100 18,360
Investment, Identifier [Axis]: Pinnacle TopCo, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Principal 0 [3],[9],[30] 0 [6],[10],[33]    
Cost (9) [3],[9],[30] (9) [6],[10],[33]    
Fair value $ 0 [7],[9],[30] $ 0 [8],[10],[33] $ 0 0
Investment, Identifier [Axis]: Pinnacle TopCo, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 13.00% [9] 13.00% [10] 13.00%  
Principal $ 26,400 [3],[9] $ 27,200 [6],[10]    
Cost 26,255 [3],[9] 27,037 [6],[10]    
Fair value $ 26,400 [7],[9] $ 27,200 [8],[10] $ 28,640 28,640
Investment, Identifier [Axis]: PrimeFlight Aviation Services | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 9.16% [13],[15],[17],[31] 9.35% [14],[16],[19],[34]    
Spread (as a percent) 5.50% [13],[15],[17],[29],[31] 5.50% [14],[16],[19],[32],[34]    
Principal $ 7,780 [3],[13],[15],[17],[31] $ 7,800 [6],[14],[16],[19],[34]    
Cost 7,630 [3],[13],[15],[17],[31] 7,638 [6],[14],[16],[19],[34]    
Fair value $ 7,780 [7],[13],[15],[17],[31] $ 7,800 [8],[14],[16],[19],[34]    
Investment, Identifier [Axis]: PrimeFlight Aviation Services | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.20% [13],[15],[17],[31] 9.17% [14],[16],[19],[34]    
Spread (as a percent) 5.50% [13],[15],[17],[29],[31] 5.50% [14],[16],[19],[32],[34]    
Principal $ 743 [3],[13],[15],[17],[31] $ 745 [6],[14],[16],[19],[34]    
Cost 727 [3],[13],[15],[17],[31] 728 [6],[14],[16],[19],[34]    
Fair value $ 743 [7],[13],[15],[17],[31] $ 745 [8],[14],[16],[19],[34]    
Investment, Identifier [Axis]: PrimeFlight Aviation Services | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 9.20% [13],[15],[17],[31] 9.17% [14],[16],[19],[34]    
Spread (as a percent) 5.50% [13],[15],[17],[29],[31] 5.50% [14],[16],[19],[32],[34]    
Principal $ 747 [3],[13],[15],[17],[31] $ 749 [6],[14],[16],[19],[34]    
Cost 735 [3],[13],[15],[17],[31] 736 [6],[14],[16],[19],[34]    
Fair value $ 747 [7],[13],[15],[17],[31] $ 749 [8],[14],[16],[19],[34]    
Investment, Identifier [Axis]: PrimeFlight Aviation Services | Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 8.95% [13],[15],[17],[31] 8.92% [14],[16],[19],[34]    
Spread (as a percent) 5.25% [13],[15],[17],[29],[31] 5.25% [14],[16],[19],[32],[34]    
Principal $ 848 [3],[13],[15],[17],[31] $ 851 [6],[14],[16],[19],[34]    
Cost 840 [3],[13],[15],[17],[31] 842 [6],[14],[16],[19],[34]    
Fair value $ 848 [7],[13],[15],[17],[31] $ 851 [8],[14],[16],[19],[34]    
Investment, Identifier [Axis]: PrimeFlight Aviation Services | Secured Debt 5        
Schedule of Investments [Line Items]        
Total Rate 8.92% [13],[15],[17],[31] 9.12% [14],[16],[19],[34]    
Spread (as a percent) 5.25% [13],[15],[17],[29],[31] 5.25% [14],[16],[19],[32],[34]    
Principal $ 1,881 [3],[13],[15],[17],[31] $ 1,886 [6],[14],[16],[19],[34]    
Cost 1,867 [3],[13],[15],[17],[31] 1,871 [6],[14],[16],[19],[34]    
Fair value $ 1,881 [7],[13],[15],[17],[31] $ 1,886 [8],[14],[16],[19],[34]    
Investment, Identifier [Axis]: PrimeFlight Aviation Services | Secured Debt 6        
Schedule of Investments [Line Items]        
Total Rate 8.92% [13],[15],[17],[31] 9.09% [14],[16],[19],[34]    
Spread (as a percent) 5.25% [13],[15],[17],[29],[31] 5.25% [14],[16],[19],[32],[34]    
Principal $ 2,016 [3],[13],[15],[17],[31] $ 2,021 [6],[14],[16],[19],[34]    
Cost 2,000 [3],[13],[15],[17],[31] 2,004 [6],[14],[16],[19],[34]    
Fair value $ 2,016 [7],[13],[15],[17],[31] $ 2,021 [8],[14],[16],[19],[34]    
Investment, Identifier [Axis]: PrimeFlight Aviation Services | Secured Debt 7        
Schedule of Investments [Line Items]        
Total Rate 8.41% [13],[15],[17],[31] 8.63% [14],[16],[19],[34]    
Spread (as a percent) 4.75% [13],[15],[17],[29],[31] 4.75% [14],[16],[19],[32],[34]    
Principal $ 2,123 [3],[13],[15],[17],[31] $ 2,128 [6],[14],[16],[19],[34]    
Cost 2,104 [3],[13],[15],[17],[31] 2,108 [6],[14],[16],[19],[34]    
Fair value $ 2,123 [7],[13],[15],[17],[31] $ 2,108 [8],[14],[16],[19],[34]    
Investment, Identifier [Axis]: PrimeFlight Aviation Services | Secured Debt 8        
Schedule of Investments [Line Items]        
Total Rate [13],[15],[17],[31] 8.41%      
Spread (as a percent) [13],[15],[17],[29],[31] 4.75%      
Principal [3],[13],[15],[17],[31] $ 11,573      
Cost [3],[13],[15],[17],[31] 11,464      
Fair value [7],[13],[15],[17],[31] $ 11,573      
Investment, Identifier [Axis]: Principle Environmental, LLC | Common Stock        
Schedule of Investments [Line Items]        
Units (in shares) 1,037 [9] 1,037 [10]    
Cost $ 1,200 [3],[9] $ 1,200 [6],[10]    
Fair value $ 750 [7],[9] $ 750 [8],[10] 620 600
Investment, Identifier [Axis]: Principle Environmental, LLC | Preferred Member Units        
Schedule of Investments [Line Items]        
Units (in shares) 21,806 [9],[35] 21,806 [10],[36]    
Cost $ 5,709 [3],[9],[35] $ 5,709 [6],[10],[36]    
Fair value $ 15,740 [7],[9],[35] $ 15,740 [8],[10],[36] $ 12,950 12,600
Investment, Identifier [Axis]: Principle Environmental, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 13.00% [9] 13.00% [10] 13.00%  
Principal $ 4,897 [3],[9] $ 4,897 [6],[10]    
Cost 4,885 [3],[9] 4,880 [6],[10]    
Fair value $ 4,897 [7],[9] $ 4,897 [8],[10] $ 4,865 4,861
Investment, Identifier [Axis]: Quality Lease Service, LLC | Member Units        
Schedule of Investments [Line Items]        
Units (in shares) 1,000 [9] 1,000 [10]    
Cost $ 7,546 [3],[9] $ 7,546 [6],[10]    
Fair value $ 460 [7],[9] $ 460 [8],[10] 460 460
Investment, Identifier [Axis]: RA Outdoors LLC | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 110 [11],[15] 110 [12],[16]    
Cost $ 0 [3],[11],[15] $ 0 [6],[12],[16]    
Fair value $ 0 [7],[11],[15] $ 0 [8],[12],[16] $ 0 0
Investment, Identifier [Axis]: RA Outdoors LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 10.56% [11],[15],[31] 10.89% [12],[16],[34] 11.25%  
Spread (as a percent) 6.75% [11],[15],[29],[31] 6.75% [12],[16],[32],[34] 6.75%  
PIK Rate 10.56% [11],[15],[25],[31] 10.89% [12],[16],[26],[34]    
Principal $ 1,471 [3],[11],[15],[31] $ 1,434 [6],[12],[16],[34]    
Cost 1,471 [3],[11],[15],[31] 1,433 [6],[12],[16],[34]    
Fair value $ 1,219 [7],[11],[15],[31] 1,182 [8],[12],[16],[34] $ 1,200 1,257
Investment, Identifier [Axis]: RA Outdoors LLC | Secured Debt 1.1        
Schedule of Investments [Line Items]        
Total Rate 10.56%      
Spread (as a percent) 6.75%      
PIK Rate 10.56%      
Fair value $ 1,219 1,182    
Investment, Identifier [Axis]: RA Outdoors LLC | Secured Debt 1.2        
Schedule of Investments [Line Items]        
Total Rate 10.56%      
Spread (as a percent) 6.75%      
PIK Rate 10.56%      
Fair value $ 12,751 12,355    
Investment, Identifier [Axis]: RA Outdoors LLC | Secured Debt 1.3        
Schedule of Investments [Line Items]        
Total Rate 10.59%      
Spread (as a percent) 6.75%      
PIK Rate 10.59%      
Fair value $ 385 0    
Investment, Identifier [Axis]: RA Outdoors LLC | Secured Debt 1.4        
Schedule of Investments [Line Items]        
Total Rate 10.59%      
Spread (as a percent) 6.75%      
PIK Rate 10.59%      
Fair value $ 375 $ 0    
Investment, Identifier [Axis]: RA Outdoors LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.59% [11],[15],[31]   11.25%  
Spread (as a percent) 6.75% [11],[15],[29],[31] 6.75% [12],[16],[32],[33],[34] 6.75%  
PIK Rate [11],[15],[25],[31] 10.59%      
Principal $ 464 [3],[11],[15],[31] $ 0 [6],[12],[16],[33],[34]    
Cost 464 [3],[11],[15],[31] 0 [6],[12],[16],[33],[34]    
Fair value $ 385 [7],[11],[15],[31] $ 0 [8],[12],[16],[33],[34] $ 12,545 13,155
Investment, Identifier [Axis]: RA Outdoors LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 10.59% [11],[15],[31] 10.89% [12],[16],[34]    
Spread (as a percent) 6.75% [11],[15],[29],[31] 6.75% [12],[16],[32],[34]    
PIK Rate 10.59% [11],[15],[25],[31] 10.89% [12],[16],[26],[34]    
Principal $ 453 [3],[11],[15],[31] $ 14,991 [6],[12],[16],[34]    
Cost 453 [3],[11],[15],[31] 14,981 [6],[12],[16],[34]    
Fair value $ 375 [7],[11],[15],[31] $ 12,355 [8],[12],[16],[34]    
Investment, Identifier [Axis]: RA Outdoors LLC | Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate [11],[15],[31] 10.56%      
Spread (as a percent) 6.75% [11],[15],[29],[31] 6.75% [12],[16],[32],[33],[34]    
PIK Rate [11],[15],[25],[31] 10.56%      
Principal $ 15,387 [3],[11],[15],[31] $ 0 [6],[12],[16],[33],[34]    
Cost 15,380 [3],[11],[15],[31] 0 [6],[12],[16],[33],[34]    
Fair value $ 12,751 [7],[11],[15],[31] $ 0 [8],[12],[16],[33],[34]    
Investment, Identifier [Axis]: RFG AcquireCo, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 11,401 [11] 11,401 [12]    
Cost $ 11,401 [3],[11] $ 11,401 [6],[12]    
Fair value 12,771 [7],[11] 12,771 [8],[12]    
Investment, Identifier [Axis]: RFG AcquireCo, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Principal 0 [3],[11],[30] 0 [6],[12],[33]    
Cost (6) [3],[11],[30] (7) [6],[12],[33]    
Fair value (6) [7],[11],[30] (7) [8],[12],[33]    
Investment, Identifier [Axis]: RFG AcquireCo, LLC | Secured Debt 1.1        
Schedule of Investments [Line Items]        
Fair value $ (6) (7)    
Investment, Identifier [Axis]: RFG AcquireCo, LLC | Secured Debt 1.2        
Schedule of Investments [Line Items]        
Total Rate 13.50%      
Fair value $ 7,936 7,932    
Investment, Identifier [Axis]: RFG AcquireCo, LLC | Secured Debt 1.3        
Schedule of Investments [Line Items]        
Fair value $ 0 33,700    
Investment, Identifier [Axis]: RFG AcquireCo, LLC | Secured Debt 1.4        
Schedule of Investments [Line Items]        
Total Rate 13.50%      
Fair value $ 41,398 $ 0    
Investment, Identifier [Axis]: RFG AcquireCo, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 13.50% [11] 12.50% [12]    
Principal $ 8,000 [3],[11] $ 8,000 [6],[12]    
Cost 7,936 [3],[11] 7,932 [6],[12]    
Fair value $ 7,936 [7],[11] $ 7,932 [8],[12]    
Investment, Identifier [Axis]: RFG AcquireCo, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 13.50% [11] 12.50% [12]    
Principal $ 41,500 [3],[11] $ 34,000 [6],[12]    
Cost 41,398 [3],[11] 33,700 [6],[12]    
Fair value $ 41,398 [7],[11] $ 33,700 [8],[12]    
Investment, Identifier [Axis]: Revenue Recovery Holdings, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 104,904 [11] 104,904 [12]    
Cost $ 1,049 [3],[11] $ 1,049 [6],[12]    
Fair value 1,960 [7],[11] 1,049 [8],[12]    
Investment, Identifier [Axis]: Revenue Recovery Holdings, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Principal 0 [3],[11],[30] 0 [6],[12],[33]    
Cost (17) [3],[11],[30] (18) [6],[12],[33]    
Fair value $ (17) [7],[11],[30] $ (18) [8],[12],[33]    
Investment, Identifier [Axis]: Revenue Recovery Holdings, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 13.00% [11] 13.00% [12]    
Principal $ 6,700 [3],[11] $ 6,700 [6],[12]    
Cost 6,643 [3],[11] 6,640 [6],[12]    
Fair value $ 6,643 [7],[11] $ 6,640 [8],[12]    
Investment, Identifier [Axis]: Richardson Sales Solutions | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [14],[16],[34]   8.86%    
Spread (as a percent) 5.00% [13],[15],[29],[30],[31] 5.00% [14],[16],[32],[34]    
Principal $ 0 [3],[13],[15],[30],[31] $ 1,353 [6],[14],[16],[34]    
Cost (49) [3],[13],[15],[30],[31] 1,299 [6],[14],[16],[34]    
Fair value $ 0 [7],[13],[15],[30],[31] $ 1,353 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Richardson Sales Solutions | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 8.67% [13],[15],[31] 8.86% [14],[16],[34]    
Spread (as a percent) 5.00% [13],[15],[29],[31] 5.00% [14],[16],[32],[34]    
Principal $ 32,949 [3],[13],[15],[31] $ 33,168 [6],[14],[16],[34]    
Cost 32,401 [3],[13],[15],[31] 32,566 [6],[14],[16],[34]    
Fair value $ 32,945 [7],[13],[15],[31] $ 33,168 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Richardson Sales Solutions | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 8.65% [13],[15],[31] 8.93% [14],[16],[34]    
Spread (as a percent) 5.00% [13],[15],[29],[31] 5.00% [14],[16],[32],[34]    
Principal $ 21,406 [3],[13],[15],[31] $ 21,545 [6],[14],[16],[34]    
Cost 21,145 [3],[13],[15],[31] 21,255 [6],[14],[16],[34]    
Fair value $ 21,404 [7],[13],[15],[31] $ 21,545 [8],[14],[16],[34]    
Investment, Identifier [Axis]: River Aggregates, LLC | Member Units        
Schedule of Investments [Line Items]        
Units (in shares) 1,500 [9],[35],[44] 1,500 [10],[45]    
Cost $ 369 [3],[9],[35],[44] $ 369 [6],[10],[45]    
Fair value $ 9,700 [7],[9],[35],[44] $ 9,700 [8],[10],[45] 9,530 9,530
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc. | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 11,070 [9] 11,070 [10]    
Cost $ 11,070 [3],[9] $ 11,070 [6],[10]    
Fair value 0 [7],[9] 0 [8],[10] $ 0 0
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc. | Secured Debt 1        
Schedule of Investments [Line Items]        
PIK Rate     10.00%  
Principal 0 [3],[9],[27],[30] 0 [6],[10],[28],[33]    
Cost (68) [3],[9],[27],[30] (62) [6],[10],[28],[33]    
Fair value $ (68) [7],[9],[27],[30] $ (62) [8],[10],[28],[33] $ (45) (39)
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc. | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.50% [9],[27] 12.50% [10],[28] 12.50%  
PIK Rate 10.00% [9],[25],[27] 10.00% [10],[26],[28] 10.00%  
Principal $ 33,660 [3],[9],[27] $ 33,660 [6],[10],[28]    
Cost 31,560 [3],[9],[27] 31,771 [6],[10],[28]    
Fair value 13,968 [7],[9],[27] 14,029 [8],[10],[28] $ 14,352 14,562
Investment, Identifier [Axis]: Roof Opco, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Principal 0 [3],[13],[15],[30] 0 [6],[14],[16],[33]    
Cost (2) [3],[13],[15],[30] (2) [6],[14],[16],[33]    
Fair value $ 0 [7],[13],[15],[30] $ 0 [8],[14],[16],[33]    
Investment, Identifier [Axis]: Roof Opco, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.00% [13],[15] 10.00% [14],[16]    
PIK Rate 10.00% [13],[15],[25] 10.00% [14],[16],[26]    
Principal $ 3,672 [3],[13],[15] $ 3,376 [6],[14],[16]    
Cost 3,657 [3],[13],[15] 3,360 [6],[14],[16]    
Fair value $ 2,742 [7],[13],[15] $ 2,444 [8],[14],[16]    
Investment, Identifier [Axis]: Roof Opco, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 10.00% [13],[15] 10.00% [14],[16]    
PIK Rate 10.00% [13],[15],[25] 10.00% [14],[16],[26]    
Principal $ 3,708 [3],[13],[15] $ 3,376 [6],[14],[16]    
Cost 3,693 [3],[13],[15] 3,360 [6],[14],[16]    
Fair value $ 2,656 [7],[13],[15] $ 2,375 [8],[14],[16]    
Investment, Identifier [Axis]: Royal Cup Inc. | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 3,807,144 [13],[15] 3,807,144 [14],[16]    
Cost $ 3,807 [3],[13],[15] $ 3,807 [6],[14],[16]    
Fair value $ 3,807 [7],[13],[15] $ 3,807 [8],[14],[16]    
Investment, Identifier [Axis]: Royal Cup Inc. | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [13],[15],[31] 8.91%      
Spread (as a percent) 5.25% [13],[15],[29],[31] 5.25% [14],[16],[32],[33],[34]    
Principal $ 4,188 [3],[13],[15],[31] $ 0 [6],[14],[16],[33],[34]    
Cost 3,978 [3],[13],[15],[31] (221) [6],[14],[16],[33],[34]    
Fair value $ 4,143 [7],[13],[15],[31] $ (221) [8],[14],[16],[33],[34]    
Investment, Identifier [Axis]: Royal Cup Inc. | Secured Debt 2        
Schedule of Investments [Line Items]        
Spread (as a percent) 5.25% [13],[15],[29],[30],[31] 5.25% [14],[16],[32],[33],[34]    
Principal $ 0 [3],[13],[15],[30],[31] $ 0 [6],[14],[16],[33],[34]    
Cost (79) [3],[13],[15],[30],[31] (83) [6],[14],[16],[33],[34]    
Fair value $ (79) [7],[13],[15],[30],[31] $ (83) [8],[14],[16],[33],[34]    
Investment, Identifier [Axis]: Royal Cup Inc. | Secured Debt 3        
Schedule of Investments [Line Items]        
Spread (as a percent) 5.25% [13],[15],[29],[30],[31] 5.25% [14],[16],[32],[33],[34]    
Principal $ 0 [3],[13],[15],[30],[31] $ 0 [6],[14],[16],[33],[34]    
Cost (341) [3],[13],[15],[30],[31] (359) [6],[14],[16],[33],[34]    
Fair value $ (341) [7],[13],[15],[30],[31] $ (359) [8],[14],[16],[33],[34]    
Investment, Identifier [Axis]: Royal Cup Inc. | Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 8.93% [13],[15],[31] 8.98% [14],[16],[34]    
Spread (as a percent) 5.25% [13],[15],[29],[31] 5.25% [14],[16],[32],[34]    
Principal $ 53,167 [3],[13],[15],[31] $ 53,300 [6],[14],[16],[34]    
Cost 52,430 [3],[13],[15],[31] 52,527 [6],[14],[16],[34]    
Fair value $ 52,596 [7],[13],[15],[31] $ 52,527 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Rug Doctor, LLC. | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 9.17% [13],[15],[31] 9.17% [14],[16],[34]    
Spread (as a percent) 5.50% [13],[15],[29],[31] 5.50% [14],[16],[32],[34]    
Principal $ 2,821 [3],[13],[15],[31] $ 3,721 [6],[14],[16],[34]    
Cost 2,820 [3],[13],[15],[31] 3,720 [6],[14],[16],[34]    
Fair value $ 2,821 [7],[13],[15],[31] $ 3,721 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Rug Doctor, LLC. | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.20% [13],[15],[31] 9.17% [14],[16],[34]    
Spread (as a percent) 5.50% [13],[15],[29],[31] 5.50% [14],[16],[32],[34]    
Principal $ 6,727 [3],[13],[15],[31] $ 6,831 [6],[14],[16],[34]    
Cost 6,644 [3],[13],[15],[31] 6,737 [6],[14],[16],[34]    
Fair value $ 6,727 [7],[13],[15],[31] $ 6,831 [8],[14],[16],[34]    
Investment, Identifier [Axis]: SI East, LLC | Preferred Member Units        
Schedule of Investments [Line Items]        
Units (in shares) 165 [11],[35] 165 [12],[36]    
Cost $ 1,525 [3],[11],[35] $ 1,525 [6],[12],[36]    
Fair value $ 17,190 [7],[11],[35] $ 17,190 [8],[12],[36] $ 12,470 13,660
Investment, Identifier [Axis]: SI East, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 11.80% [11] 11.80% [12] 11.75%  
Principal $ 2,250 [3],[11] $ 2,250 [6],[12]    
Cost 2,241 [3],[11] 2,239 [6],[12]    
Fair value $ 2,250 [7],[11] $ 2,250 [8],[12] $ 2,250 2,250
Investment, Identifier [Axis]: SI East, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.86% [11],[64] 12.85% [12],[65] 12.82%  
Principal $ 66,850 [3],[11],[64] $ 66,850 [6],[12],[65]    
Cost 66,777 [3],[11],[64] 66,769 [6],[12],[65]    
Fair value $ 66,850 [7],[11],[64] $ 66,850 [8],[12],[65] $ 67,661 67,661
Investment, Identifier [Axis]: SPAU Holdings, LLC | Common Stock        
Schedule of Investments [Line Items]        
Units (in shares) 638,710 [13],[15] 638,710 [14],[16]    
Cost $ 639 [3],[13],[15] $ 639 [6],[14],[16]    
Fair value $ 630 [7],[13],[15] $ 630 [8],[14],[16]    
Investment, Identifier [Axis]: SPAU Holdings, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [13],[15],[31],[38] 10.84%      
Spread (as a percent) 7.00% [13],[15],[29],[31],[38] 7.00% [14],[16],[32],[33],[34]    
Principal $ 1,469 [3],[13],[15],[31],[38] $ 0 [6],[14],[16],[33],[34]    
Cost 1,433 [3],[13],[15],[31],[38] (24) [6],[14],[16],[33],[34]    
Fair value $ 1,469 [7],[13],[15],[31],[38] $ 0 [8],[14],[16],[33],[34]    
Investment, Identifier [Axis]: SPAU Holdings, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.85% [13],[15],[31] 10.82% [14],[16],[34]    
Spread (as a percent) 7.00% [13],[15],[29],[31] 7.00% [14],[16],[32],[34]    
Principal $ 15,369 [3],[13],[15],[31] $ 15,409 [6],[14],[16],[34]    
Cost 15,192 [3],[13],[15],[31] 15,291 [6],[14],[16],[34]    
Fair value $ 15,369 [7],[13],[15],[31] $ 15,409 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Slick Innovations, LLC | Common Stock        
Schedule of Investments [Line Items]        
Units (in shares) 70,000 [11] 70,000 [12],[36]    
Cost $ 0 [3],[11] $ 0 [6],[12],[36]    
Fair value $ 2,590 [7],[11] $ 2,160 [8],[12],[36] 1,890 2,440
Investment, Identifier [Axis]: Slick Innovations, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 14.00% [11] 14.00% [12]    
Principal $ 24,280 [3],[11] $ 24,680 [6],[12]    
Cost 24,068 [3],[11] 24,451 [6],[12]    
Fair value $ 24,280 [7],[11] $ 24,680 [8],[12]    
Investment, Identifier [Axis]: Slick Innovations, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Fair value     $ 0 16,320
Investment, Identifier [Axis]: Slick Innovations, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate     14.00%  
Fair value     $ 25,880 0
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 864 [13],[15] 864 [14],[16]    
Cost $ 864 [3],[13],[15] $ 864 [6],[14],[16]    
Fair value $ 1,013 [7],[13],[15] $ 1,013 [8],[14],[16]    
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 5.25% [13],[15],[29],[30],[31] 5.25% [14],[16],[32],[33],[34]    
Principal $ 0 [3],[13],[15],[30],[31] $ 0 [6],[14],[16],[33],[34]    
Cost 0 [3],[13],[15],[30],[31] 0 [6],[14],[16],[33],[34]    
Fair value $ 0 [7],[13],[15],[30],[31] $ 0 [8],[14],[16],[33],[34]    
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.02% [13],[15],[31] 9.07% [14],[16],[34]    
Spread (as a percent) 5.25% [13],[15],[29],[31] 5.25% [14],[16],[32],[34]    
Principal $ 53,320 [3],[13],[15],[31] $ 53,320 [6],[14],[16],[34]    
Cost 53,041 [3],[13],[15],[31] 53,022 [6],[14],[16],[34]    
Fair value $ 53,320 [7],[13],[15],[31] $ 53,320 [8],[14],[16],[34]    
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 9.02% [13],[15],[31] 9.07% [14],[16],[34]    
Spread (as a percent) 5.25% [13],[15],[29],[31] 5.25% [14],[16],[32],[34]    
Principal $ 10,449 [3],[13],[15],[31] $ 10,475 [6],[14],[16],[34]    
Cost 10,363 [3],[13],[15],[31] 10,383 [6],[14],[16],[34]    
Fair value $ 10,449 [7],[13],[15],[31] $ 10,475 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Specialized Aviation Holdings, LLC | Preferred Stock        
Schedule of Investments [Line Items]        
Units (in shares) 25,000 [11],[35] 25,000 [12]    
Cost $ 15,000 [3],[11],[35] $ 15,000 [6],[12]    
Fair value $ 15,000 [7],[11],[35] $ 15,000 [8],[12]    
Investment, Identifier [Axis]: Specialized Aviation Holdings, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 13.00% [11] 13.00% [12]    
Principal $ 23,250 [3],[11] $ 28,625 [6],[12]    
Cost 23,048 [3],[11] 28,362 [6],[12]    
Fair value $ 23,048 [7],[11] 28,362 [8],[12]    
Investment, Identifier [Axis]: Spring Engineering Holdings, LLC | Preferred Member Units        
Schedule of Investments [Line Items]        
Units (in shares) [9] 4,650      
Cost [3],[9] $ 4,650      
Fair value $ 4,650 [7],[9] 0    
Investment, Identifier [Axis]: Spring Engineering Holdings, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate [9] 13.00%      
Principal [3],[9] $ 23,391      
Cost [3],[9] 23,165      
Fair value $ 23,165 [7],[9] $ 0    
Investment, Identifier [Axis]: Student Resource Center, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 5,907,649 [11],[15] 5,907,649 [12],[16]    
Cost $ 0 [3],[11],[15] $ 0 [6],[12],[16]    
Fair value $ 0 [7],[11],[15] $ 0 [8],[12],[16] $ 0 0
Investment, Identifier [Axis]: Student Resource Center, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 8.50% [11],[15] 8.50% [12],[16] 8.50%  
PIK Rate 8.50% [11],[15],[25] 8.50% [12],[16],[26] 8.50%  
Principal $ 226 [3],[11],[15] $ 222 [6],[12],[16]    
Cost 226 [3],[11],[15] 222 [6],[12],[16]    
Fair value $ 784 [7],[11],[15] 780 [8],[12],[16] $ 900 1,644
Investment, Identifier [Axis]: Student Resource Center, LLC | Secured Debt 1.1        
Schedule of Investments [Line Items]        
Total Rate 8.50%      
PIK Rate 8.50%      
Fair value $ 1,636 1,438    
Investment, Identifier [Axis]: Student Resource Center, LLC | Secured Debt 1.2        
Schedule of Investments [Line Items]        
Total Rate 8.50%      
PIK Rate 8.50%      
Fair value $ 784 $ 780    
Investment, Identifier [Axis]: Student Resource Center, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 8.50% [11],[15] 8.50% [12],[16],[28] 8.50%  
PIK Rate 8.50% [11],[15],[25] 8.50% [12],[16],[26],[28] 8.50%  
Principal $ 5,327 [3],[11],[15] $ 5,327 [6],[12],[16],[28]    
Cost 4,884 [3],[11],[15] 4,884 [6],[12],[16],[28]    
Fair value $ 1,636 [7],[11],[15] $ 1,438 [8],[12],[16],[28] $ 882 204
Investment, Identifier [Axis]: Superior Rigging & Erecting Co. | Preferred Member Units        
Schedule of Investments [Line Items]        
Units (in shares) 1,636 [11] 1,636 [12]    
Cost $ 4,500 [3],[11] $ 4,500 [6],[12]    
Fair value $ 17,810 [7],[11] $ 17,500 [8],[12] 14,400 10,530
Investment, Identifier [Axis]: TEC Services, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 5.50% [13],[15],[29],[30],[31] 5.50% [14],[16],[32],[33],[34]    
Principal $ 0 [3],[13],[15],[30],[31] $ 0 [6],[14],[16],[33],[34]    
Cost (71) [3],[13],[15],[30],[31] (76) [6],[14],[16],[33],[34]    
Fair value $ (71) [7],[13],[15],[30],[31] $ (76) [8],[14],[16],[33],[34]    
Investment, Identifier [Axis]: TEC Services, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Spread (as a percent) 5.50% [13],[15],[29],[30],[31] 5.50% [14],[16],[32],[33],[34]    
Principal $ 0 [3],[13],[15],[30],[31] $ 0 [6],[14],[16],[33],[34]    
Cost (53) [3],[13],[15],[30],[31] (57) [6],[14],[16],[33],[34]    
Fair value $ (53) [7],[13],[15],[30],[31] $ (57) [8],[14],[16],[33],[34]    
Investment, Identifier [Axis]: TEC Services, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 9.30% [13],[15],[31] 9.27% [14],[16],[34]    
Spread (as a percent) 5.50% [13],[15],[29],[31] 5.50% [14],[16],[32],[34]    
Principal $ 31,985 [3],[13],[15],[31] $ 32,010 [6],[14],[16],[34]    
Cost 31,632 [3],[13],[15],[31] 31,633 [6],[14],[16],[34]    
Fair value $ 31,985 [7],[13],[15],[31] $ 31,903 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Tectonic Financial, LLC | Common Stock        
Schedule of Investments [Line Items]        
Units (in shares) 200,000 [13],[35] 200,000 [14],[36]    
Cost $ 2,000 [3],[13],[35] $ 2,000 [6],[14],[36]    
Fair value $ 5,000 [7],[13],[35] $ 5,000 [8],[14],[36]    
Investment, Identifier [Axis]: Tedder Industries, LLC | Preferred Member Units 1        
Schedule of Investments [Line Items]        
Units (in shares) 6,605 [9] 6,605 [10]    
Cost $ 661 [3],[9] $ 661 [6],[10]    
Fair value $ 0 [7],[9] $ 0 [8],[10] 0 0
Investment, Identifier [Axis]: Tedder Industries, LLC | Preferred Member Units 2        
Schedule of Investments [Line Items]        
Units (in shares) 5,643 [9] 5,643 [10]    
Cost $ 564 [3],[9] $ 564 [6],[10]    
Fair value $ 0 [7],[9] $ 0 [8],[10] 0 0
Investment, Identifier [Axis]: Tedder Industries, LLC | Preferred Member Units 3        
Schedule of Investments [Line Items]        
Units (in shares) 544 [9] 544 [10]    
Cost $ 9,245 [3],[9] $ 9,245 [6],[10]    
Fair value $ 0 [7],[9] $ 0 [8],[10] $ 0 0
Investment, Identifier [Axis]: Tedder Industries, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 12.00% [9],[48] 12.00% [10],[28],[37] 12.00%  
PIK Rate 12.00% [9],[25],[48] 12.00% [10],[26],[28],[37] 12.00%  
Principal $ 1,313 [3],[9],[48] $ 1,203 [6],[10],[28],[37]    
Cost 1,294 [3],[9],[48] 861 [6],[10],[28],[37]    
Fair value $ 1,313 [7],[9],[48] $ 962 [8],[10],[28],[37] $ 1,555 1,646
Investment, Identifier [Axis]: Tedder Industries, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.00% [9],[27],[48] 12.00% [10],[28],[37] 12.00%  
PIK Rate 12.00% [9],[25],[27],[48] 12.00% [10],[26],[28],[37] 12.00%  
Principal $ 15,200 [3],[9],[27],[48] $ 15,200 [6],[10],[28],[37]    
Cost 15,045 [3],[9],[27],[48] 15,045 [6],[10],[28],[37]    
Fair value $ 5,380 [7],[9],[27],[48] $ 2,827 [8],[10],[28],[37] $ 3,207 3,603
Investment, Identifier [Axis]: Televerde, LLC | Member Units        
Schedule of Investments [Line Items]        
Units (in shares) 460 [9],[35] 460 [10],[36]    
Cost $ 1,290 [3],[9],[35] $ 1,290 [6],[10],[36]    
Fair value $ 2,271 [7],[9],[35] $ 4,822 [8],[10],[36] 5,021 4,252
Investment, Identifier [Axis]: Televerde, LLC | Preferred Stock        
Schedule of Investments [Line Items]        
Units (in shares) 248 [9] 248 [10]    
Cost $ 718 [3],[9] $ 718 [6],[10]    
Fair value $ 1,794 [7],[9] $ 1,794 [8],[10] 1,794 1,794
Investment, Identifier [Axis]: Tex Tech Tennis, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 1,000,000 [13],[15],[35],[44] 1,000,000 [14],[16],[45]    
Cost $ 1,000 [3],[13],[15],[35],[44] $ 1,000 [6],[14],[16],[45]    
Fair value $ 3,100 [7],[13],[15],[35],[44] $ 2,900 [8],[14],[16],[45]    
Investment, Identifier [Axis]: The Affiliati Network, LLC | Preferred Stock 1        
Schedule of Investments [Line Items]        
Units (in shares) 312,910 [11] 312,910 [12]    
Cost $ 313 [3],[11] $ 313 [6],[12]    
Fair value 313 [7],[11] 313 [8],[12] 6,400 6,400
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 1.2        
Schedule of Investments [Line Items]        
Fair value $ 313 $ 313    
Investment, Identifier [Axis]: The Affiliati Network, LLC | Preferred Stock 2        
Schedule of Investments [Line Items]        
Units (in shares) 1,280,000 [11],[35] 1,280,000 [12],[36]    
Cost $ 6,400 [3],[11],[35] $ 6,400 [6],[12],[36]    
Fair value $ 6,400 [7],[11],[35] $ 6,400 [8],[12],[36] $ 313 287
Investment, Identifier [Axis]: The Affiliati Network, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate     10.00%  
Fair value     $ 115 394
Investment, Identifier [Axis]: The Affiliati Network, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate     10.00%  
Fair value     $ 5,107 5,053
Investment, Identifier [Axis]: Titan Meter Midco Corp. | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 1,358,892 [13],[15] 1,358,892 [14],[16]    
Total Rate 8.00% [13],[15] 8.00% [14],[16]    
PIK Rate 8.00% [13],[15],[25] 8.00% [14],[16],[26]    
Cost $ 1,375 [3],[13],[15] $ 1,375 [6],[14],[16]    
Fair value $ 1,830 [7],[13],[15] $ 1,540 [8],[14],[16]    
Investment, Identifier [Axis]: Titan Meter Midco Corp. | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 10.20% [13],[15],[31] 10.17% [14],[16],[34]    
Spread (as a percent) 6.50% [13],[15],[29],[31] 6.50% [14],[16],[32],[34]    
Principal $ 1,439 [3],[13],[15],[31] $ 1,439 [6],[14],[16],[34]    
Cost 1,366 [3],[13],[15],[31] 1,360 [6],[14],[16],[34]    
Fair value $ 1,439 [7],[13],[15],[31] $ 1,439 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Titan Meter Midco Corp. | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.20% [13],[15],[31] 10.17% [14],[16],[34]    
Spread (as a percent) 6.50% [13],[15],[29],[31] 6.50% [14],[16],[32],[34]    
Principal $ 33,499 [3],[13],[15],[31] $ 33,585 [6],[14],[16],[34]    
Cost 32,809 [3],[13],[15],[31] 32,840 [6],[14],[16],[34]    
Fair value $ 33,499 [7],[13],[15],[31] $ 33,585 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Titan Meter Midco Corp. | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 10.20% [13],[15],[31] 10.17% [14],[16],[34]    
Spread (as a percent) 6.50% [13],[15],[29],[31] 6.50% [14],[16],[32],[34]    
Principal $ 4,287 [3],[13],[15],[31] $ 4,298 [6],[14],[16],[34]    
Cost 4,210 [3],[13],[15],[31] 4,214 [6],[14],[16],[34]    
Fair value $ 4,287 [7],[13],[15],[31] $ 4,298 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Titan Meter Midco Corp. | Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 10.20% [13],[15],[31] 10.17% [14],[16],[34]    
Spread (as a percent) 6.50% [13],[15],[29],[31] 6.50% [14],[16],[32],[34]    
Principal $ 4,851 [3],[13],[15],[31] $ 4,863 [6],[14],[16],[34]    
Cost 4,752 [3],[13],[15],[31] 4,755 [6],[14],[16],[34]    
Fair value $ 4,851 [7],[13],[15],[31] $ 4,863 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 723 [9],[44] 723 [10],[45]    
Cost $ 696 [3],[9],[44] $ 696 [6],[10],[45]    
Fair value $ 696 [7],[9],[44] $ 696 [8],[10],[45]    
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Common Stock        
Schedule of Investments [Line Items]        
Units (in shares) 654 [9],[35] 615 [10],[36]    
Cost $ 6,021 [3],[9],[35] $ 4,655 [6],[10],[36]    
Fair value $ 19,850 [7],[9],[35] 14,920 [8],[10],[36] 8,570 8,570
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [9] 11.50%      
Principal $ 1,600 [3],[9] 0 [6],[10],[33]    
Cost 1,600 [3],[9] 0 [6],[10],[33]    
Fair value $ 1,600 [7],[9] 0 [8],[10],[33] $ (1) (1)
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Secured Debt 1.1        
Schedule of Investments [Line Items]        
Total Rate 11.50%      
Fair value $ 1,600 0    
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Secured Debt 1.2        
Schedule of Investments [Line Items]        
Fair value $ 0 9,000    
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Secured Debt 1.3        
Schedule of Investments [Line Items]        
Total Rate 13.50%      
Fair value $ 31,280 0    
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Secured Debt 1.4        
Schedule of Investments [Line Items]        
Total Rate 9.00%      
Fair value $ 2,040 2,040    
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Secured Debt 1.5        
Schedule of Investments [Line Items]        
Total Rate 9.00%      
Fair value $ 2,000 0    
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Secured Debt 1.6        
Schedule of Investments [Line Items]        
Total Rate 9.00%      
Fair value $ 400 $ 0    
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 13.50% [9] 13.50% [10] 13.50%  
Principal $ 31,280 [3],[9] $ 9,000 [6],[10]    
Cost 31,061 [3],[9] 8,959 [6],[10]    
Fair value $ 31,280 [7],[9] $ 9,000 [8],[10] $ 7,862 7,855
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 9.00% [9] 9.00% [10]    
Principal $ 2,040 [3],[9] $ 2,040 [6],[10]    
Cost 2,035 [3],[9] 2,034 [6],[10]    
Fair value $ 2,040 [7],[9] $ 2,040 [8],[10]    
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate [9] 9.00%      
Principal [3],[9] $ 2,000      
Cost [3],[9] 1,991      
Fair value [7],[9] $ 2,000      
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Secured Debt 5        
Schedule of Investments [Line Items]        
Total Rate [9] 9.00%      
Principal [3],[9] $ 400      
Cost [3],[9] 398      
Fair value [7],[9] $ 400      
Investment, Identifier [Axis]: Trinity Medical Holdings, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 22,500 [9] 22,500 [10]    
Cost $ 22,500 [3],[9] $ 22,500 [6],[10]    
Fair value $ 22,500 [7],[9] 22,500 [8],[10]    
Investment, Identifier [Axis]: Trinity Medical Holdings, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 13.00%      
Fair value $ 57,974 57,944    
Investment, Identifier [Axis]: Trinity Medical Holdings, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Principal 0 [3],[9],[30] 0 [6],[10],[33]    
Cost 0 [3],[9],[30] 0 [6],[10],[33]    
Fair value $ 0 [7],[9],[30] $ 0 [8],[10],[33]    
Investment, Identifier [Axis]: Trinity Medical Holdings, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 13.00% [9] 13.00% [10]    
Principal $ 58,500 [3],[9] $ 58,500 [6],[10]    
Cost 57,974 [3],[9] 57,944 [6],[10]    
Fair value $ 57,974 [7],[9] $ 57,944 [8],[10]    
Investment, Identifier [Axis]: U.S. TelePacific Corp. | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 14.78% [13],[21],[31] 12.32% [14],[22],[28],[34]    
Spread (as a percent) 11.00% [13],[21],[29],[31] 8.15% [14],[22],[28],[32],[34]    
PIK Rate 10.00% [13],[21],[25],[31] 7.00% [14],[22],[26],[28],[34]    
Principal $ 658 [3],[13],[21],[31] $ 9,811 [6],[14],[22],[28],[34]    
Cost 658 [3],[13],[21],[31] 2,611 [6],[14],[22],[28],[34]    
Fair value $ 658 [7],[13],[21],[31] 3,998 [8],[14],[22],[28],[34]    
Investment, Identifier [Axis]: U.S. TelePacific Corp. | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [13],[21],[27],[31] 13.75%      
Spread (as a percent) [13],[21],[27],[29],[31] 7.00%      
PIK Rate [13],[21],[25],[27],[31] 7.00%      
Principal $ 9,811 [3],[13],[21],[27],[31] 1,003 [6],[14],[22],[28]    
Cost 2,611 [3],[13],[21],[27],[31] 20 [6],[14],[22],[28]    
Fair value 4,038 [7],[13],[21],[27],[31] $ 0 [8],[14],[22],[28]    
Investment, Identifier [Axis]: U.S. TelePacific Corp. | Secured Debt 3        
Schedule of Investments [Line Items]        
Principal [3],[13],[21],[27] 1,003      
Cost [3],[13],[21],[27] 20      
Fair value [7],[13],[21],[27] $ 0      
Investment, Identifier [Axis]: UBM AcquireCo LLC | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 80 [13],[35] 80 [14]    
Cost $ 8,000 [3],[13],[35] $ 8,000 [6],[14]    
Fair value 8,000 [7],[13],[35] 8,000 [8],[14]    
Investment, Identifier [Axis]: UBM AcquireCo LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Principal 0 [3],[13],[30] 0 [6],[14],[33]    
Cost (34) [3],[13],[30] (38) [6],[14],[33]    
Fair value $ (34) [7],[13],[30] $ (38) [8],[14],[33]    
Investment, Identifier [Axis]: UBM AcquireCo LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.00% [13] 10.00% [14]    
Principal $ 42,800 [3],[13] $ 42,800 [6],[14]    
Cost 42,400 [3],[13] 42,379 [6],[14]    
Fair value $ 42,400 [7],[13] $ 42,379 [8],[14]    
Investment, Identifier [Axis]: UPS Intermediate, LLC | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 1,443 [13],[15] 1,443,299 [14],[16]    
Cost $ 1,443 [3],[13],[15] $ 1,443 [6],[14],[16]    
Fair value $ 1,630 [7],[13],[15] $ 1,480 [8],[14],[16]    
Investment, Identifier [Axis]: UPS Intermediate, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate [14],[16],[34]   9.97%    
Spread (as a percent) [14],[16],[32],[34]   6.25%    
Principal [6],[14],[16],[34]   $ 42,903    
Cost [6],[14],[16],[34]   42,297    
Fair value [8],[14],[16],[34]   $ 42,622    
Investment, Identifier [Axis]: UPS Intermediate, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [13],[15],[31] 10.17%      
Spread (as a percent) [13],[15],[29],[31] 6.50%      
Principal [3],[13],[15],[31] $ 13,134      
Cost [3],[13],[15],[31] 12,871      
Fair value [7],[13],[15],[31] $ 13,131      
Investment, Identifier [Axis]: UPS Intermediate, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [13],[15],[31] 10.17%      
Spread (as a percent) [13],[15],[29],[31] 6.50%      
Principal [3],[13],[15],[31] $ 3,541      
Cost [3],[13],[15],[31] 3,461      
Fair value [7],[13],[15],[31] $ 3,540      
Investment, Identifier [Axis]: UPS Intermediate, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate [13],[15],[31] 10.17%      
Spread (as a percent) [13],[15],[29],[31] 6.50%      
Principal [3],[13],[15],[31] $ 42,794      
Cost [3],[13],[15],[31] 42,232      
Fair value [7],[13],[15],[31] $ 42,784      
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Common Stock        
Schedule of Investments [Line Items]        
Units (in shares) 2,370,059 [11],[21] 2,370,059 [12],[22]    
Cost $ 0 [3],[11],[21] $ 0 [6],[12],[22]    
Fair value $ 0 [7],[11],[21] $ 0 [8],[12],[22] $ 0 0
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Preferred Stock 1        
Schedule of Investments [Line Items]        
Units (in shares) 11,450,416 [11],[21] 11,450,416 [12],[22]    
Total Rate 20.00% [11],[21] 20.00% [12],[22]    
PIK Rate 20.00% [11],[21],[25] 20.00% [12],[22],[26] 20.00%  
Cost $ 8,416 [3],[11],[21] $ 8,416 [6],[12],[22]    
Fair value $ 9,388 [7],[11],[21] $ 9,388 [8],[12],[22] $ 0 3,182
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Preferred Stock 2        
Schedule of Investments [Line Items]        
Units (in shares) 21,382,147 [11],[21] 21,382,147 [12],[22]    
Total Rate 19.00% [11],[21] 19.00% [12],[22] 20.00%  
PIK Rate 19.00% [11],[21],[25] 19.00% [12],[22],[26] 20.00%  
Cost $ 3,667 [3],[11],[21] $ 3,667 [6],[12],[22]    
Fair value $ 0 [7],[11],[21] $ 0 [8],[12],[22] $ 10,176 4,272
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Preferred Stock 3        
Schedule of Investments [Line Items]        
Units (in shares) 42,338,440 [11],[21] 42,338,440 [12],[22]    
Total Rate 13.50% [11],[21] 13.50% [12],[22] 19.00%  
PIK Rate 13.50% [11],[21],[25] 13.50% [12],[22],[26] 19.00%  
Cost $ 7,924 [3],[11],[21] $ 7,924 [6],[12],[22]    
Fair value $ 0 [7],[11],[21] $ 0 [8],[12],[22] $ 0 0
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Preferred Stock 4        
Schedule of Investments [Line Items]        
Total Rate     13.50%  
PIK Rate     13.50%  
Fair value     $ 0 0
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Secured Convertible Debt 1        
Schedule of Investments [Line Items]        
PIK Rate     15.00%  
Fair value     $ 0 5,642
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Secured Convertible Debt 2        
Schedule of Investments [Line Items]        
PIK Rate     15.00%  
Fair value     $ 0 2,662
Investment, Identifier [Axis]: UnionRock Energy Fund II, LP | LP Interests        
Schedule of Investments [Line Items]        
Units (as a percent) 11.11% [11],[17],[18],[49] 11.11% [12],[19],[20],[50]    
Cost $ 2,683 [3],[11],[17],[18],[49] $ 2,612 [6],[12],[19],[20],[50]    
Fair value $ 4,235 [7],[11],[17],[18],[49] $ 4,164 [8],[12],[19],[20],[50] 4,564 4,732
Investment, Identifier [Axis]: UnionRock Energy Fund III, LP | LP Interests        
Schedule of Investments [Line Items]        
Units (as a percent) 14.91% [11],[17],[18],[35],[49] 14.91% [12],[19],[20],[36],[50]    
Cost $ 4,834 [3],[11],[17],[18],[35],[49] $ 4,592 [6],[12],[19],[20],[36],[50]    
Fair value $ 5,407 [7],[11],[17],[18],[35],[49] $ 5,165 [8],[12],[19],[20],[36],[50] $ 5,249 5,612
Investment, Identifier [Axis]: Urgent DSO LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 4,000 [11],[35] 4,000 [12],[36]    
Total Rate     9.00%  
PIK Rate     9.00%  
Cost $ 4,614 [3],[11],[35] $ 4,614 [6],[12],[36]    
Fair value $ 2,560 [7],[11],[35] $ 4,356 [8],[12],[36] $ 4,415 4,320
Investment, Identifier [Axis]: Urgent DSO LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 13.50% [11] 13.50% [12] 13.50%  
Principal $ 8,800 [3],[11] $ 8,800 [6],[12]    
Cost 8,749 [3],[11] 8,743 [6],[12]    
Fair value $ 8,486 [7],[11] $ 8,672 [8],[12] $ 8,731 8,727
Investment, Identifier [Axis]: UserZoom Technologies, Inc. | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate [14],[16],[34]   11.63%    
Spread (as a percent) [14],[16],[32],[34]   7.50%    
Principal [6],[14],[16],[34]   $ 4,000    
Cost [6],[14],[16],[34]   3,938    
Fair value [8],[14],[16],[34]   $ 4,000    
Investment, Identifier [Axis]: UserZoom Technologies, Inc. | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [13],[15],[31] 11.40%      
Spread (as a percent) [13],[15],[29],[31] 7.75%      
PIK Rate [13],[15],[25],[31] 1.75%      
Principal [3],[13],[15],[31] $ 323      
Cost [3],[13],[15],[31] 317      
Fair value [7],[13],[15],[31] $ 323      
Investment, Identifier [Axis]: UserZoom Technologies, Inc. | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [13],[15],[31] 11.42%      
Spread (as a percent) [13],[15],[29],[31] 7.75%      
PIK Rate [13],[15],[25],[31] 1.75%      
Principal [3],[13],[15],[31] $ 4,016      
Cost [3],[13],[15],[31] 3,950      
Fair value [7],[13],[15],[31] $ 4,016      
Investment, Identifier [Axis]: VORTEQ Coil Finishers, LLC | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 1,038,462 [13],[15],[35] 1,038,462 [14],[16],[36]    
Cost $ 1,038 [3],[13],[15],[35] $ 1,038 [6],[14],[16],[36]    
Fair value $ 4,030 [7],[13],[15],[35] $ 3,610 [8],[14],[16],[36]    
Investment, Identifier [Axis]: VVS Holdco LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 12,240 [9],[44] 12,240 [10],[36],[45]    
Cost $ 12,240 [3],[9],[44] $ 12,240 [6],[10],[36],[45]    
Fair value $ 12,240 [7],[9],[44] $ 12,240 [8],[10],[36],[45] $ 12,240 12,240
Investment, Identifier [Axis]: VVS Holdco LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 6.00% [9],[29],[30],[31] 6.00% [10],[32],[33],[34] 6.00%  
Principal $ 0 [3],[9],[30],[31] $ 0 [6],[10],[33],[34]    
Cost 0 [3],[9],[30],[31] 0 [6],[10],[33],[34]    
Fair value $ 0 [7],[9],[30],[31] $ 0 [8],[10],[33],[34] $ 0 0
Investment, Identifier [Axis]: VVS Holdco LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 11.50% [9] 11.50% [10] 11.50%  
Principal $ 24,000 [3],[9] $ 24,000 [6],[10]    
Cost 23,968 [3],[9] 23,956 [6],[10]    
Fair value $ 23,968 [7],[9] $ 23,956 [8],[10] $ 25,674 25,661
Investment, Identifier [Axis]: Victory Energy Operations, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 51,421 [9] 51,421 [10]    
Cost $ 22,471 [3],[9] $ 22,471 [6],[10]    
Fair value $ 23,640 [7],[9] $ 23,380 [8],[10] 22,686 22,686
Investment, Identifier [Axis]: Victory Energy Operations, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 13.00% [9] 13.00% [10]    
Principal $ 2,154 [3],[9] $ 862 [6],[10]    
Cost 2,130 [3],[9] 836 [6],[10]    
Fair value $ 2,130 [7],[9] $ 836 [8],[10] $ (31) (33)
Investment, Identifier [Axis]: Victory Energy Operations, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 13.00% [9] 13.00% [10] 13.00%  
Principal $ 48,251 [3],[9] $ 48,251 [6],[10]    
Cost 47,913 [3],[9] 47,889 [6],[10]    
Fair value $ 47,913 [7],[9] $ 47,889 [8],[10] $ 47,816 47,792
Investment, Identifier [Axis]: Vitesse Systems | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 10.95% [13],[15],[38] 10.98% [14],[16],[39]    
Spread (as a percent) 7.00% [13],[15],[29],[38] 7.00% [14],[16],[32],[39]    
Principal $ 7,727 [3],[13],[15],[38] $ 7,727 [6],[14],[16],[39]    
Cost 7,609 [3],[13],[15],[38] 7,599 [6],[14],[16],[39]    
Fair value $ 7,727 [7],[13],[15],[38] $ 7,727 [8],[14],[16],[39]    
Investment, Identifier [Axis]: Vitesse Systems | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.92% [13],[15],[31] 10.93% [14],[16],[34]    
Spread (as a percent) 7.00% [13],[15],[29],[31] 7.00% [14],[16],[32],[34]    
Principal $ 3,883 [3],[13],[15],[31] $ 41,650 [6],[14],[16],[34]    
Cost 3,789 [3],[13],[15],[31] 41,032 [6],[14],[16],[34]    
Fair value $ 3,883 [7],[13],[15],[31] $ 41,650 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Vitesse Systems | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate [13],[15],[31] 10.96%      
Spread (as a percent) [13],[15],[29],[31] 7.00%      
Principal [3],[13],[15],[31] $ 41,544      
Cost [3],[13],[15],[31] 40,979      
Fair value [7],[13],[15],[31] $ 41,544      
Investment, Identifier [Axis]: Volusion, LLC | Common Stock        
Schedule of Investments [Line Items]        
Units (in shares) 1,802,780 [9] 1,802,780 [10]    
Cost $ 2,576 [3],[9] $ 2,576 [6],[10]    
Fair value $ 0 [7],[9] $ 0 [8],[10] 0 0
Investment, Identifier [Axis]: Volusion, LLC | Preferred Member Units 1        
Schedule of Investments [Line Items]        
Units (in shares) 5,097,595 [9] 5,097,595 [10]    
Cost $ 1,523 [3],[9] $ 1,830 [6],[10]    
Fair value 2,040 [7],[9] 2,910 [8],[10] 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 1.2        
Schedule of Investments [Line Items]        
Fair value $ 2,040 $ 2,910    
Investment, Identifier [Axis]: Volusion, LLC | Preferred Member Units 2        
Schedule of Investments [Line Items]        
Units (in shares) 142,512 [9] 142,512 [10]    
Cost $ 0 [3],[9] $ 0 [6],[10]    
Fair value $ 0 [7],[9] $ 0 [8],[10] 5,170 7,003
Investment, Identifier [Axis]: Volusion, LLC | Preferred Member Units 3        
Schedule of Investments [Line Items]        
Units (in shares) 4,876,670 [9] 4,876,670 [10]    
Cost $ 14,000 [3],[9] $ 14,000 [6],[10]    
Fair value $ 0 [7],[9] $ 0 [8],[10] $ 0 0
Investment, Identifier [Axis]: Volusion, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 10.00% [9],[48] 10.00% [10],[37] 10.00%  
Principal $ 2,100 [3],[9],[48] $ 2,100 [6],[10],[37]    
Cost 2,100 [3],[9],[48] 2,100 [6],[10],[37]    
Fair value $ 2,100 [7],[9],[48] $ 2,100 [8],[10],[37] $ 2,100 2,100
Investment, Identifier [Axis]: Wash & Wax Systems LLC | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 3,219 [13],[15] 3,219 [14],[16]    
Cost $ 3,410 [3],[13],[15] $ 3,410 [6],[14],[16]    
Fair value $ 1,370 [7],[13],[15] $ 1,520 [8],[14],[16]    
Investment, Identifier [Axis]: Wash & Wax Systems LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 9.19% [13],[15],[31],[38] 9.28% [14],[16],[34],[39]    
Spread (as a percent) 5.50% [13],[15],[29],[31],[38] 5.50% [14],[16],[32],[34],[39]    
Principal $ 322 [3],[13],[15],[31],[38] $ 322 [6],[14],[16],[34],[39]    
Cost 322 [3],[13],[15],[31],[38] 322 [6],[14],[16],[34],[39]    
Fair value $ 322 [7],[13],[15],[31],[38] $ 322 [8],[14],[16],[34],[39]    
Investment, Identifier [Axis]: Wash & Wax Systems LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.17% [13],[15],[31] 9.34% [14],[16],[34]    
Spread (as a percent) 5.50% [13],[15],[29],[31] 5.50% [14],[16],[32],[34]    
Principal $ 7,498 [3],[13],[15],[31] $ 7,546 [6],[14],[16],[34]    
Cost 7,498 [3],[13],[15],[31] 7,546 [6],[14],[16],[34]    
Fair value $ 7,498 [7],[13],[15],[31] $ 7,546 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Wash & Wax Systems LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 12.00% [13],[15] 12.00% [14],[16]    
PIK Rate 12.00% [13],[15],[25] 12.00% [14],[16],[26]    
Principal $ 5,392 [3],[13],[15] $ 5,353 [6],[14],[16]    
Cost 5,392 [3],[13],[15] 5,353 [6],[14],[16]    
Fair value $ 5,392 [7],[13],[15] $ 5,353 [8],[14],[16]    
Investment, Identifier [Axis]: Watterson Brands, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 12.00% [13],[15],[27] 12.00% [14],[16],[28]    
PIK Rate 4.00% [13],[15],[25],[27] 4.00% [14],[16],[26],[28]    
Principal $ 2,339 [3],[13],[15],[27] $ 2,339 [6],[14],[16],[28]    
Cost 2,257 [3],[13],[15],[27] 2,328 [6],[14],[16],[28]    
Fair value $ 1,343 [7],[13],[15],[27] $ 1,595 [8],[14],[16],[28]    
Investment, Identifier [Axis]: Watterson Brands, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.00% [13],[15],[27] 12.00% [14],[16],[28]    
PIK Rate 4.00% [13],[15],[25],[27] 4.00% [14],[16],[26],[28]    
Principal $ 402 [3],[13],[15],[27] $ 403 [6],[14],[16],[28]    
Cost 380 [3],[13],[15],[27] 394 [6],[14],[16],[28]    
Fair value $ 231 [7],[13],[15],[27] $ 275 [8],[14],[16],[28]    
Investment, Identifier [Axis]: Watterson Brands, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 12.00% [13],[15],[27] 12.00% [14],[16],[28]    
PIK Rate 4.00% [13],[15],[25],[27] 4.00% [14],[16],[26],[28]    
Principal $ 16,540 [3],[13],[15],[27] $ 16,589 [6],[14],[16],[28]    
Cost 15,978 [3],[13],[15],[27] 16,527 [6],[14],[16],[28]    
Fair value $ 9,499 [7],[13],[15],[27] $ 11,314 [8],[14],[16],[28]    
Investment, Identifier [Axis]: Watterson Brands, LLC | Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 12.00% [13],[15],[27] 12.00% [14],[16],[28]    
PIK Rate 4.00% [13],[15],[25],[27] 4.00% [14],[16],[26],[28]    
Principal $ 13,230 [3],[13],[15],[27] $ 13,269 [6],[14],[16],[28]    
Cost 12,780 [3],[13],[15],[27] 13,219 [6],[14],[16],[28]    
Fair value $ 7,598 [7],[13],[15],[27] $ 9,049 [8],[14],[16],[28]    
Investment, Identifier [Axis]: Wildcats Topco LLC | Common Equity        
Schedule of Investments [Line Items]        
Units (in shares) 22,426,711 [11] 22,426,711 [12]    
Cost $ 22,427 [3],[11] $ 22,427 [6],[12]    
Fair value $ 22,830 [7],[11] $ 22,760 [8],[12]    
Investment, Identifier [Axis]: Winter Services LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 11.43% [13],[15],[31],[38] 11.49% [14],[16],[34],[39]    
Spread (as a percent) 7.50% [13],[15],[29],[31],[38] 7.50% [14],[16],[32],[34],[39]    
Principal $ 2,933 [3],[13],[15],[31],[38] $ 4,000 [6],[14],[16],[34],[39]    
Cost 2,875 [3],[13],[15],[31],[38] 3,980 [6],[14],[16],[34],[39]    
Fair value $ 2,933 [7],[13],[15],[31],[38] $ 4,000 [8],[14],[16],[34],[39]    
Investment, Identifier [Axis]: Winter Services LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 11.42% [13],[15],[31] 11.75% [14],[16],[34]    
Spread (as a percent) 7.50% [13],[15],[29],[31] 7.50% [14],[16],[32],[34]    
Principal $ 1,874 [3],[13],[15],[31] $ 1,874 [6],[14],[16],[34]    
Cost 1,866 [3],[13],[15],[31] 1,865 [6],[14],[16],[34]    
Fair value $ 1,874 [7],[13],[15],[31] $ 1,874 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Winter Services LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 10.42% [13],[15],[31] 10.75% [14],[16],[34]    
Spread (as a percent) 6.50% [13],[15],[29],[31] 6.50% [14],[16],[32],[34]    
Principal $ 7,240 [3],[13],[15],[31] $ 7,240 [6],[14],[16],[34]    
Cost 7,192 [3],[13],[15],[31] 7,185 [6],[14],[16],[34]    
Fair value $ 7,240 [7],[13],[15],[31] $ 7,240 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Winter Services LLC | Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 12.42% [13],[15],[31] 12.75% [14],[16],[34]    
Spread (as a percent) 8.50% [13],[15],[29],[31] 8.50% [14],[16],[32],[34]    
Principal $ 7,240 [3],[13],[15],[31] $ 7,240 [6],[14],[16],[34]    
Cost 7,192 [3],[13],[15],[31] 7,185 [6],[14],[16],[34]    
Fair value $ 7,240 [7],[13],[15],[31] $ 7,240 [8],[14],[16],[34]    
Investment, Identifier [Axis]: World Micro Holdings, LLC | Preferred Equity        
Schedule of Investments [Line Items]        
Units (in shares) 3,845 [11],[35] 3,845 [12],[36]    
Cost $ 3,845 [3],[11],[35] $ 3,845 [6],[12],[36]    
Fair value $ 3,845 [7],[11],[35] $ 3,845 [8],[12],[36] $ 3,845 3,845
Investment, Identifier [Axis]: World Micro Holdings, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 13.00% [11] 12.00% [12] 11.00%  
Principal $ 9,886 [3],[11] $ 9,886 [6],[12]    
Cost 9,853 [3],[11] 9,848 [6],[12]    
Fair value $ 9,853 [7],[11] $ 9,848 [8],[12] $ 9,834 10,702
Investment, Identifier [Axis]: Xenon Arc, Inc. | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 9.54% [13],[15],[31] 9.54% [14],[16],[34]    
Spread (as a percent) 5.75% [13],[15],[29],[31] 5.75% [14],[16],[32],[34]    
Principal $ 23,510 [3],[13],[15],[31] $ 23,571 [6],[14],[16],[34]    
Cost 23,330 [3],[13],[15],[31] 23,374 [6],[14],[16],[34]    
Fair value $ 23,510 [7],[13],[15],[31] $ 23,571 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Xenon Arc, Inc. | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.52% [13],[15],[31] 9.72% [14],[16],[34]    
Spread (as a percent) 5.75% [13],[15],[29],[31] 5.75% [14],[16],[32],[34]    
Principal $ 36,959 [3],[13],[15],[31] $ 37,056 [6],[14],[16],[34]    
Cost 36,702 [3],[13],[15],[31] 36,774 [6],[14],[16],[34]    
Fair value $ 36,960 [7],[13],[15],[31] $ 37,056 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Xenon Arc, Inc. | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 9.55% [13],[15],[31] 9.52% [14],[16],[34]    
Spread (as a percent) 5.75% [13],[15],[29],[31] 5.75% [14],[16],[32],[34]    
Principal $ 10,525 [3],[13],[15],[31] $ 10,552 [6],[14],[16],[34]    
Cost 10,374 [3],[13],[15],[31] 10,386 [6],[14],[16],[34]    
Fair value $ 10,525 [7],[13],[15],[31] $ 10,552 [8],[14],[16],[34]    
Investment, Identifier [Axis]: YS Garments, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 11.26% [13],[21],[31],[59] 11.48% [14],[22],[34],[60]    
Spread (as a percent) 7.50% [13],[21],[29],[31],[59] 7.50% [14],[22],[32],[34],[60]    
Principal $ 10,592 [3],[13],[21],[31],[59] $ 10,592 [6],[14],[22],[34],[60]    
Cost 10,520 [3],[13],[21],[31],[59] 10,507 [6],[14],[22],[34],[60]    
Fair value $ 9,007 [7],[13],[21],[31],[59] $ 8,893 [8],[14],[22],[34],[60]    
Investment, Identifier [Axis]: ZRG Partners, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 11.75% [13],[15],[31] 11.75% [14],[16],[34]    
Spread (as a percent) 5.00% [13],[15],[29],[31] 5.00% [14],[16],[32],[34]    
Principal $ 8,685 [3],[13],[15],[31] $ 6,601 [6],[14],[16],[34]    
Cost 8,552 [3],[13],[15],[31] 6,457 [6],[14],[16],[34]    
Fair value $ 8,685 [7],[13],[15],[31] $ 6,601 [8],[14],[16],[34]    
Investment, Identifier [Axis]: ZRG Partners, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.69% [13],[15],[31],[59] 9.69% [14],[16],[34],[60]    
Spread (as a percent) 6.00% [13],[15],[29],[31],[59] 6.00% [14],[16],[32],[34],[60]    
Principal $ 15,920 [3],[13],[15],[31],[59] $ 11,781 [6],[14],[16],[34],[60]    
Cost 15,670 [3],[13],[15],[31],[59] 11,558 [6],[14],[16],[34],[60]    
Fair value $ 15,920 [7],[13],[15],[31],[59] $ 11,781 [8],[14],[16],[34],[60]    
Investment, Identifier [Axis]: ZRG Partners, LLC | Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 9.60% [13],[15],[31] 9.60% [14],[16],[34]    
Spread (as a percent) 6.00% [13],[15],[29],[31] 6.00% [14],[16],[32],[34]    
Principal $ 6,485 [3],[13],[15],[31] $ 6,502 [6],[14],[16],[34]    
Cost 6,399 [3],[13],[15],[31] 6,409 [6],[14],[16],[34]    
Fair value $ 6,485 [7],[13],[15],[31] $ 6,502 [8],[14],[16],[34]    
Investment, Identifier [Axis]: ZRG Partners, LLC | Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 9.69% [13],[15],[31] 9.73% [14],[16],[34]    
Spread (as a percent) 6.00% [13],[15],[29],[31] 6.00% [14],[16],[32],[34]    
Principal $ 46,385 [3],[13],[15],[31] $ 46,518 [6],[14],[16],[34]    
Cost 45,767 [3],[13],[15],[31] 45,853 [6],[14],[16],[34]    
Fair value $ 46,385 [7],[13],[15],[31] $ 46,518 [8],[14],[16],[34]    
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC | Preferred Member Units        
Schedule of Investments [Line Items]        
Units (in shares) 16,878 [9] 16,878 [10]    
Cost $ 3,154 [3],[9] $ 3,154 [6],[10]    
Fair value $ 0 [7],[9] $ 50 [8],[10] $ 160 320
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC | Secured Debt        
Schedule of Investments [Line Items]        
Total Rate     12.00%  
Fair value     $ 1,750 1,750
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC | Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 12.00% [9] 12.00% [10]    
Principal $ 150 [3],[9] $ 150 [6],[10]    
Cost 150 [3],[9] 150 [6],[10]    
Fair value $ 150 [7],[9] $ 150 [8],[10]    
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC | Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.00% [9] 12.00% [10]    
Principal $ 1,750 [3],[9] $ 1,750 [6],[10]    
Cost 1,750 [3],[9] 1,750 [6],[10]    
Fair value $ 1,633 [7],[9] $ 1,687 [8],[10]    
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC | Warrants        
Schedule of Investments [Line Items]        
Fair value     $ 0 $ 0
[1] All portfolio company headquarters are based in the U.S., unless otherwise noted.
[2] All investments are LMM (as defined below) portfolio investments, unless otherwise noted. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of LMM portfolio investments. All of the Company’s investments, unless otherwise noted, are encumbered either as security for
the Corporate Facility or SPV Facility (each as defined below) or in support of the debentures guaranteed by the SBA (as defined below) and issued by the Funds (as defined below).
[3] 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.
[4] All portfolio company headquarters are based in the U.S., unless otherwise noted.
[5] All investments are LMM portfolio investments, unless otherwise noted. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of LMM portfolio investments. All of the Company’s investments, unless otherwise noted, are encumbered either as security for the Corporate Facility or SPV Facility or in support of the debentures guaranteed by the SBA and issued by the Funds.
[6] 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.
[7] 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.
[8] 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.
[9] “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.
[10] “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.
[11] “Affiliate” investments are defined by the 1940 Act as investments in which between 5% and 25% (inclusive) of the voting securities are owned and the investments are not classified as Control investments.
[12] “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.
[13] “Non-Control/Non-Affiliate” investments are defined by the 1940 Act as investments that are neither Control investments nor Affiliate investments.
[14] “Non-Control/Non-Affiliate” investments are defined by the 1940 Act as investments that are neither Control investments nor Affiliate investments.
[15] Private Loan (as defined below) portfolio investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Private Loan portfolio investments.
[16] Private Loan portfolio investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Private Loan portfolio investments.
[17] Investment is not a qualifying asset as defined under Section 55(a) of the 1940 Act (as defined below). Qualifying assets must represent at least 70% of total assets at the time of acquisition of any additional non-qualifying assets.
[18] Other Portfolio (as defined below) investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Other Portfolio investments.
[19] 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.
[20] Other Portfolio investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Other Portfolio investments.
[21] Middle Market (as defined below) portfolio investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Middle Market portfolio investments.
[22] Middle Market portfolio investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Middle Market portfolio investments.
[23] Portfolio company headquarters are located outside of the U.S.
[24] Portfolio company headquarters are located outside of the U.S.
[25] Investments may have a portion, or all, of their income received from Paid-in-Kind (“PIK”) interest or dividends. PIK interest income and cumulative dividend income represent income not paid currently in cash. The difference between the Total Rate and PIK Rate represents the cash rate as of March 31, 2026.
[26] Investments may have a portion, or all, of their income received from PIK interest or dividends. PIK interest income and cumulative dividend income represent income not paid currently in cash. The difference between the Total Rate and PIK Rate represents the cash rate as of December 31, 2025.
[27] Non-accrual or non-income producing debt investment.
[28] Non-accrual or non-income producing debt investment.
[29] A majority of the variable rate loans in the Investment Portfolio (as defined below) bear interest at a rate that may be determined by reference to either SOFR (“SF”) or an alternate base rate (commonly based on the federal funds rate or the Prime rate (“P”)), which typically resets every one, three, or six months at the borrower’s option. SOFR based contracts may include a credit spread adjustment (the “Adjustment”) that is charged in addition to the stated spread. The Adjustment is applied when the SOFR, plus the Adjustment, exceeds the stated floor rate, as applicable. As of March 31, 2026, SOFR based contracts in the portfolio had Adjustments ranging from 0.10% to 0.26%.
[30] The position is unfunded and no interest income is being earned as of March 31, 2026. The position may earn a nominal unused facility fee on committed amounts.
[31] Index based floating interest rate is subject to contractual minimum interest rate. As noted in this schedule, 96% of the loans (based on the par amount) contain Term Secured Overnight Financing Rate (“SOFR”) floors which range between 0.50% and 5.25%, with a weighted-average floor of 1.29%.
[32] A majority of the variable rate loans in the Investment Portfolio bear interest at a rate that may be determined by reference to either SOFR (“SF”) or an alternate base rate (commonly based on the federal funds rate or the Prime rate (“P”)), which typically resets every one, three, or six months at the borrower’s option. SOFR based contracts may include a credit spread adjustment (the “Adjustment”) that is charged in addition to the stated spread. The Adjustment is applied when the SOFR, plus the Adjustment, exceeds the stated floor rate, as applicable. As of December 31, 2025, SOFR based contracts in the portfolio had Adjustments ranging from 0.10% to 0.26%.
[33] The position is unfunded and no interest income is being earned as of December 31, 2025. The position may earn a nominal unused facility fee on committed amounts.
[34] Index based floating interest rate is subject to contractual minimum interest rate. As noted in this schedule, 96% of the loans (based on the par amount) contain Term SOFR floors which range between 0.50% and 5.25%, with a weighted-average floor of 1.31%.
[35] Income producing through dividends or distributions.
[36] Income producing through dividends or distributions.
[37] Maturity date is under on-going negotiations with the portfolio company and other lenders, if applicable.
[38] Revolving line of credit facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of March 31, 2026.
[39] Revolving line of credit facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2025.
[40]
(33)Index based floating interest rate is subject to contractual maximum base rate of 3.00%.
[41] Index based floating interest rate is subject to contractual maximum base rate of 3.00%.
[42]
(27)Warrants are presented in equivalent shares/units with a strike price of $0.01 per share/unit.
[43] Warrants are presented in equivalent shares/units with a strike price of $0.01 per share/unit.
[44]
(29)Shares/Units represent ownership in a related real estate or holding entity.
[45] Shares/Units represent ownership in a related real estate or holding entity.
[46] The Company has entered into an intercreditor agreement that entitles the Company to the “last out” tranche of the first lien secured loans, whereby the “first out” tranche will receive priority as to the “last out” tranche with respect to payments of principal, interest, and any other amounts due thereunder. Therefore, the Company receives a higher interest rate than the contractual stated interest rate of SOFR+7.50% (Floor 1.50%) per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate.
[47] The Company has entered into an intercreditor agreement that entitles the Company to the “last out” tranche of the first lien secured loans, whereby the “first out” tranche will receive priority as to the “last out” tranche with respect to payments of principal, interest, and any other amounts due thereunder. Therefore, the Company receives a higher interest rate than the contractual stated interest rate of SOFR+6.50% (Floor 1.50%) per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate.
[48] Maturity date is under on-going negotiations with the portfolio company and other lenders, if applicable.
[49]
(30)Investment is not unitized. Presentation is made in percent of fully diluted ownership unless otherwise indicated.
[50] Investment is not unitized. Presentation is made in percent of fully diluted ownership unless otherwise indicated.
[51] Effective yield as of March 31, 2026 was approximately 3.54% on the Dreyfus Government Cash Management.
[52] Effective yield as of December 31, 2025 was approximately 3.70% on the Dreyfus Government Cash Management.
[53] Effective yield as of March 31, 2026 was approximately 3.29% on the Fidelity Government Fund.
[54] Effective yield as of December 31, 2025 was approximately 3.43% on the Fidelity Government Fund.
[55]
(31)Effective yield as of March 31, 2026 was approximately 3.31% on the Fidelity Treasury.
[56] Effective yield as of December 31, 2025 was approximately 3.43% on the Fidelity Treasury.
[57]
(34)Index based floating interest rate is subject to contractual maximum base rate of 4.00%.
[58] Index based floating interest rate is subject to contractual maximum base rate of 4.00%.
[59] 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, 2026.
[60] Each new draw or funding on the facility has a different floating rate reset date. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2025.
[61] Investment is accruing income at the fixed cash rate of 2.50% as of December 31, 2025.
[62] External Investment Manager (as defined below). Investment is not encumbered as security for the Credit Facilities (as defined below) or in support of the SBA-guaranteed debentures issued by the Funds.
[63] External Investment Manager. Investment is not encumbered as security for the Credit Facilities or in support of the SBA-guaranteed debentures issued by the Funds.
[64] The Company has entered into an intercreditor agreement that entitles the Company to the “last out” tranche of the first lien secured loans, whereby the “first out” tranche will receive priority as to the “last out” tranche with respect to payments of principal, interest, and any other amounts due thereunder. Therefore, the Company receives a higher interest rate than the contractual stated interest rate of 11.80% per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate.
[65] The Company has entered into an intercreditor agreement that entitles the Company to the “last out” tranche of the first lien secured loans, whereby the “first out” tranche will receive priority as to the “last out” tranche with respect to payments of principal, interest, and any other amounts due thereunder. Therefore, the Company receives a higher interest rate than the contractual stated interest rate of 11.80% per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate.