Quarterly report pursuant to Section 13 or 15(d)

Consolidated Schedule of Investments

v3.23.1
Consolidated Schedule of Investments - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Mar. 31, 2022
Schedule of Investments [Line Items]      
Cost $ 1,062,976 [1] $ 1,059,886 [2]  
Fair value $ 1,067,094 [3] $ 1,068,143 [4]  
Investment owned, percent of net assets 175.00% 175.20%  
GRT Rubber Technologies LLC      
Schedule of Investments [Line Items]      
Cost $ 26,669 $ 26,512  
Fair value 42,309 42,163  
Analytical Systems Keco Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 2,606 2,619  
Fair value 2,020 2,013  
ATX Networks Corp.      
Schedule of Investments [Line Items]      
Cost [5]   8,603  
Fair value [5]   12,272  
Batjer TopCo, LLC      
Schedule of Investments [Line Items]      
Cost 1,611 1,659  
Fair value 1,836 1,659  
Brewer Crane Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 2,530 2,561  
Fair value 3,100 3,261  
Centre Technologies Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 5,264 5,262  
Fair value 6,053 5,901  
Chamberlin Holding LLC      
Schedule of Investments [Line Items]      
Cost 7,536 7,531  
Fair value 10,644 10,642  
Clad-Rex Steel, LLC      
Schedule of Investments [Line Items]      
Cost 4,631 4,753  
Fair value 4,755 5,092  
Cody Pools, Inc.      
Schedule of Investments [Line Items]      
Cost 8,980 9,126  
Fair value 21,792 21,705  
Colonial Electric Company LLC      
Schedule of Investments [Line Items]      
Cost 7,579 7,649  
Fair value 7,709 8,019  
Datacom, LLC      
Schedule of Investments [Line Items]      
Cost 1,233 1,210  
Fair value 1,214 1,190  
Digital Products Holdings LLC      
Schedule of Investments [Line Items]      
Cost 6,176 6,253  
Fair value 6,260 6,337  
Direct Marketing Solutions, Inc.      
Schedule of Investments [Line Items]      
Cost 7,326 7,401  
Fair value 10,702 10,910  
Flame King Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 9,671 9,660  
Fair value 12,500 11,600  
Gamber-Johnson Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 19,987 20,170  
Fair value 30,660 28,740  
GFG Group, LLC.      
Schedule of Investments [Line Items]      
Cost 4,008 4,004  
Fair value 4,736 4,626  
Gulf Publishing Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 2,920 2,920  
Fair value 1,521 1,521  
Kickhaefer Manufacturing Company, LLC      
Schedule of Investments [Line Items]      
Cost 9,393 9,344  
Fair value 8,599 8,567  
Market Force Information, LLC      
Schedule of Investments [Line Items]      
Cost 10,623 10,623  
Fair value 0 403  
MH Corbin Holding LLC      
Schedule of Investments [Line Items]      
Cost 4,110 4,139  
Fair value 1,346 1,137  
Mystic Logistics Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 2,116 2,116  
Fair value 7,689 7,144  
NexRev LLC      
Schedule of Investments [Line Items]      
Cost 4,730 4,881  
Fair value 2,967 2,399  
NuStep, LLC      
Schedule of Investments [Line Items]      
Cost 8,767 8,765  
Fair value 8,904 9,003  
Oneliance, LLC      
Schedule of Investments [Line Items]      
Cost 1,625 1,644  
Fair value 1,625 1,644  
Orttech Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 8,121 8,312  
Fair value 8,991 8,752  
Robbins Bros. Jewelry, Inc.      
Schedule of Investments [Line Items]      
Cost 5,105 5,124  
Fair value 4,975 5,544  
SI East, LLC      
Schedule of Investments [Line Items]      
Cost 28,506 30,201  
Fair value 32,729 34,479  
Sonic Systems International, LLC      
Schedule of Investments [Line Items]      
Cost 19,746 [6] 19,727 [7]  
Fair value 19,855 [6] 19,915 [7]  
Student Resource Center, LLC      
Schedule of Investments [Line Items]      
Cost 5,063 [6] 5,063 [7]  
Fair value 5,063 [6] 5,063 [7]  
Tedder Industries, LLC      
Schedule of Investments [Line Items]      
Cost 6,624 6,568  
Fair value 6,042 6,160  
Trantech Radiator Topco, LLC      
Schedule of Investments [Line Items]      
Cost 3,125 3,121  
Fair value 4,310 3,930  
Volusion, LLC      
Schedule of Investments [Line Items]      
Cost 12,910 14,451  
Fair value 5,806 6,392  
VVS Holdco, LLC      
Schedule of Investments [Line Items]      
Cost 10,387 10,376  
Fair value 10,437 10,406  
AAC Holdings, Inc.      
Schedule of Investments [Line Items]      
Cost 7,438 [8] 7,111 [5]  
Fair value 4,324 [8] 4,110 [5]  
AB Centers Acquisition Corporation      
Schedule of Investments [Line Items]      
Cost 2,301 [6] 2,002 [7]  
Fair value 2,364 [6] 2,064 [7]  
Acumera, Inc.      
Schedule of Investments [Line Items]      
Cost 6,091 [6] 5,859 [7]  
Fair value 6,225 [6] 5,995 [7]  
Adams Publishing Group, LLC      
Schedule of Investments [Line Items]      
Cost 3,637 [6] 3,384 [7]  
Fair value 3,606 [6] 3,391 [7]  
AMEREQUIP LLC.      
Schedule of Investments [Line Items]      
Cost 2,104 [6] 2,106 [7]  
Fair value 2,111 [6] 2,105 [7]  
American Health Staffing Group, Inc.      
Schedule of Investments [Line Items]      
Cost 8,178 [6] 8,193 [7]  
Fair value 8,238 [6] 8,258 [7]  
American Nuts, LLC      
Schedule of Investments [Line Items]      
Cost 8,398 [6] 8,833 [7]  
Fair value 7,238 [6] 8,309 [7]  
American Teleconferencing Services, Ltd.      
Schedule of Investments [Line Items]      
Cost 13,826 [8] 13,826 [5]  
Fair value 723 [8] 794 [5]  
ArborWorks, LLC      
Schedule of Investments [Line Items]      
Cost 17,991 [6] 18,091 [7]  
Fair value 14,618 [6] 15,408 [7]  
Archer Systems, LLC      
Schedule of Investments [Line Items]      
Cost 2,219 [6] 2,223 [7]  
Fair value 2,221 [6] 2,228 [7]  
ATS Operating, LLC      
Schedule of Investments [Line Items]      
Cost 1,966 [6] 1,914 [7]  
Fair value 1,970 [6] 1,920 [7]  
AVEX Aviation Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 4,295 [6] 3,918 [7]  
Fair value 4,296 [6] 3,924 [7]  
BBB Tank Services, LLC      
Schedule of Investments [Line Items]      
Cost 1,441 1,441  
Fair value 722 722  
Berry Aviation, Inc.      
Schedule of Investments [Line Items]      
Cost 1,381 [6] 1,350 [7]  
Fair value 6,081 [6] 5,021 [7]  
Bettercloud, Inc.      
Schedule of Investments [Line Items]      
Cost 7,954 [6] 7,826 [7]  
Fair value 8,090 [6] 7,969 [7]  
Bluestem Brands, Inc.      
Schedule of Investments [Line Items]      
Cost 5,036 [8] 3,566 [5]  
Fair value 8,270 [8] 9,247 [5]  
Boccella Precast Products LLC      
Schedule of Investments [Line Items]      
Cost 644 644  
Fair value 772 821  
Brightwood Capital Fund Investments      
Schedule of Investments [Line Items]      
Cost 11,186 [9],[10] 11,186 [11],[12]  
Fair value 10,857 [9],[10] 10,658 [11],[12]  
Buca C, LLC      
Schedule of Investments [Line Items]      
Cost 14,530 14,780  
Fair value 8,095 8,345  
Burning Glass Intermediate Holding Company, Inc.      
Schedule of Investments [Line Items]      
Cost 13,544 [6] 13,051 [7]  
Fair value 13,738 [6] 13,255 [7]  
Cadence Aerospace LLC      
Schedule of Investments [Line Items]      
Cost [6] 20,578    
Fair value [6] 20,610    
CAI Software LLC      
Schedule of Investments [Line Items]      
Cost 379 379  
Fair value 379 379  
Career Team Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 2,697 2,693  
Fair value 2,697 2,693  
CaseWorthy, Inc.      
Schedule of Investments [Line Items]      
Cost 4,630 [6] 4,627 [7]  
Fair value 4,648 [6] 4,645 [7]  
Channel Partners Intermediateco, LLC      
Schedule of Investments [Line Items]      
Cost 4,121 [6] 3,692 [7]  
Fair value 4,112 [6] 3,708 [7]  
Classic H&G Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 7,325 7,321  
Fair value 12,389 12,119  
Computer Data Source, LLC      
Schedule of Investments [Line Items]      
Cost 19,444 [6] 19,480 [7]  
Fair value 17,975 [6] 18,272 [7]  
Dalton US Inc.      
Schedule of Investments [Line Items]      
Cost 1,239 [6] 1,088 [7]  
Fair value 1,241 [6] 1,107 [7]  
DMA Industries, LLC      
Schedule of Investments [Line Items]      
Cost 6,708 6,703  
Fair value 7,120 7,120  
DTE Enterprises, LLC      
Schedule of Investments [Line Items]      
Cost 7,598 [6] 8,046 [7]  
Fair value 7,204 [6] 7,518 [7]  
Dynamic Communities, LLC      
Schedule of Investments [Line Items]      
Cost 3,487 [6] 3,487 [7]  
Fair value 3,487 [6] 3,487 [7]  
Elgin AcquireCo, LLC      
Schedule of Investments [Line Items]      
Cost 2,203 2,201  
Fair value 2,203 2,201  
Engineering Research & Consulting, LLC      
Schedule of Investments [Line Items]      
Cost 5,359 [6] 5,097 [7]  
Fair value 5,417 [6] 5,200 [7]  
Event Holdco, LLC      
Schedule of Investments [Line Items]      
Cost 3,970 [6] 3,968 [7]  
Fair value 3,796 [6] 3,799 [7]  
Flip Electronics LLC      
Schedule of Investments [Line Items]      
Cost 13,169 [6] 12,873 [7]  
Fair value 13,418 [6] 13,145 [7]  
Hawk Ridge Systems, LLC      
Schedule of Investments [Line Items]      
Cost 9,900 9,694  
Fair value 13,800 13,596  
HDC/HW Intermediate Holdings      
Schedule of Investments [Line Items]      
Cost 2,025 [6] 1,951 [7]  
Fair value 1,980 [6] 1,906 [7]  
HEADLANDS OP-CO LLC      
Schedule of Investments [Line Items]      
Cost 4,842 [6] 4,848 [7]  
Fair value 4,929 [6] 4,939 [7]  
IG Parent Corporation      
Schedule of Investments [Line Items]      
Cost 8,158 [8] 8,633 [5]  
Fair value 8,187 [8] 8,756 [5]  
Independent Pet Partners Intermediate Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 16,946 [6] 14,564 [7]  
Fair value 6,359 [6] 4,974 [7]  
Industrial Services Acquisition, LLC      
Schedule of Investments [Line Items]      
Cost 14,535 [6] 13,713 [7]  
Fair value 14,032 [6] 13,213 [7]  
Infinity X1 Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 5,411    
Fair value 5,411    
Infolinks Media Buyco, LLC      
Schedule of Investments [Line Items]      
Cost 10,515 [6] 10,528 [7]  
Fair value 10,669 [6] 10,694 [7]  
Interface Security Systems, L.L.C      
Schedule of Investments [Line Items]      
Cost 9,089 [6] 8,936 [7]  
Fair value 2,866 [6] 2,767 [7]  
Invincible Boat Company, LLC.      
Schedule of Investments [Line Items]      
Cost 17,522 [6] 17,668 [7]  
Fair value 17,615 [6] 17,770 [7]  
Iron-Main Investments, LLC      
Schedule of Investments [Line Items]      
Cost 12,282 9,377  
Fair value 12,282 9,377  
Jackmont Hospitality, Inc.      
Schedule of Investments [Line Items]      
Cost 5,235 [6] 5,333 [7]  
Fair value 6,039 [6] 6,373 [7]  
Joerns Healthcare, LLC      
Schedule of Investments [Line Items]      
Cost 9,051 [8] 8,938 [5]  
Fair value 2,281 [8] 2,353 [5]  
Johnson Downie Opco, LLC      
Schedule of Investments [Line Items]      
Cost 1,442 1,440  
Fair value 1,841 1,731  
JorVet Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 3,998 3,995  
Fair value 3,998 3,995  
JTI Electrical & Mechanical, LLC      
Schedule of Investments [Line Items]      
Cost 3,143 [6] 3,139 [7]  
Fair value 3,289 [6] 3,288 [7]  
KMS, LLC      
Schedule of Investments [Line Items]      
Cost 10,466 [6] 10,488 [7]  
Fair value 9,997 [6] 10,022 [7]  
LL Management, Inc.      
Schedule of Investments [Line Items]      
Cost 22,962 [6] 22,944 [7]  
Fair value 22,757 [6] 22,884 [7]  
Mako Steel, LP      
Schedule of Investments [Line Items]      
Cost 18,756 [6] 20,240 [7]  
Fair value 18,832 [6] 20,385 [7]  
MB2 Dental Solutions, LLC      
Schedule of Investments [Line Items]      
Cost 16,890 [8] 16,006 [5]  
Fair value 17,115 [8] 16,235 [5]  
MetalForming AcquireCo, LLC      
Schedule of Investments [Line Items]      
Cost 2,262 2,250  
Fair value 2,262 2,250  
Microbe Formulas, LLC      
Schedule of Investments [Line Items]      
Cost 3,039 [6] 3,078 [7]  
Fair value 2,988 [6] 3,027 [7]  
MonitorUS Holding, LLC      
Schedule of Investments [Line Items]      
Cost 8,451 [6],[10],[13] 7,885 [7],[12],[14]  
Fair value 8,806 [6],[10],[13] 8,282 [7],[12],[14]  
NinjaTrader, LLC      
Schedule of Investments [Line Items]      
Cost 11,517 [6] 11,500 [7]  
Fair value 11,614 [6] 11,611 [7]  
NWN Corporation      
Schedule of Investments [Line Items]      
Cost 25,593 [6] 25,060 [7]  
Fair value 24,516 [6] 24,167 [7]  
Paragon Healthcare, Inc.      
Schedule of Investments [Line Items]      
Cost 2,966 [6] 2,704 [7]  
Fair value 2,970 [6] 2,736 [7]  
PTL US Bidco, Inc      
Schedule of Investments [Line Items]      
Cost 1,879 [6],[10] 1,805 [12]  
Fair value 1,869 [6],[10] 1,816 [12]  
RA Outdoors LLC      
Schedule of Investments [Line Items]      
Cost 13,160 [6] 12,778 [7]  
Fair value 11,978 [6] 11,674 [7]  
RM Bidder, LLC      
Schedule of Investments [Line Items]      
Cost 315 [6] 315 [7]  
Fair value 14 [6] 13 [7]  
Roof Opco, LLC      
Schedule of Investments [Line Items]      
Cost 6,738 [6] 7,116 [7]  
Fair value 6,785 [6] 7,273 [7]  
Rug Doctor, LLC.      
Schedule of Investments [Line Items]      
Cost 15,415 [6] 15,402 [7]  
Fair value 14,262 [6] 13,890 [7]  
SIB Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 12,376 [6] 12,245 [7]  
Fair value 11,257 [6] 11,451 [7]  
Slick Innovations, LLC      
Schedule of Investments [Line Items]      
Cost 3,397 3,448  
Fair value 3,870 3,860  
South Coast Terminals Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 3,516 [6] 3,522 [7]  
Fair value 3,600 [6] 3,609 [7]  
SPAU Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 5,063 [6] 5,069 [7]  
Fair value 5,145 [6] 5,157 [7]  
The Affiliati Network, LLC      
Schedule of Investments [Line Items]      
Cost 3,892 3,967  
Fair value 3,892 3,967  
Wall Street Prep, Inc.      
Schedule of Investments [Line Items]      
Cost 5,716 [6] 5,745 [7]  
Fair value 5,711 [6] 5,739 [7]  
Watterson Brands, LLC      
Schedule of Investments [Line Items]      
Cost 4,420 [6] 4,180 [7],[15]  
Fair value 4,466 [6] 4,245 [7],[15]  
West Star Aviation Acquisition, LLC      
Schedule of Investments [Line Items]      
Cost 3,116 [6] 3,120 [7]  
Fair value 3,244 [6] 3,192 [7]  
Winter Services LLC      
Schedule of Investments [Line Items]      
Cost 12,235 [6] 12,219 [7]  
Fair value 12,457 [6] 12,444 [7]  
World Micro Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 2,462 2,460  
Fair value 2,462 2,460  
Xenon Arc, Inc.      
Schedule of Investments [Line Items]      
Cost 3,555 [6] 3,495 [7]  
Fair value 3,597 [6] 3,540 [7]  
Zips Car Wash, LLC      
Schedule of Investments [Line Items]      
Cost 2,951 [6] 2,951 [7]  
Fair value 2,978 [6] 2,985 [7]  
Money market accounts and money market funds      
Schedule of Investments [Line Items]      
Cost [1],[16] 18,415    
Fair value [3],[16] 18,415    
Short-term investments      
Schedule of Investments [Line Items]      
Cost [2],[17]   8,347  
Fair value [4],[17]   8,347  
Control investments      
Schedule of Investments [Line Items]      
Cost 31,409 [1],[18] 31,120 [2],[19]  
Fair value $ 49,906 [3],[18] $ 50,303 [4],[19]  
Investment owned, percent of net assets 8.20% 8.30%  
Affiliate investments      
Schedule of Investments [Line Items]      
Cost $ 242,145 [1],[20] $ 241,565 [2],[21]  
Fair value $ 270,841 [3],[20] $ 277,000 [4],[21]  
Investment owned, percent of net assets 44.40% 45.40%  
Non‑Control/Non‑Affiliate investments      
Schedule of Investments [Line Items]      
Cost $ 789,422 [1],[22] $ 787,201 [2],[23]  
Fair value $ 746,347 [3],[22] $ 740,840 [4],[23]  
Investment owned, percent of net assets 122.40% 121.50%  
Investment, Identifier [Axis]: AAC Holdings, Inc., Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 593,927 [8] 593,927 [5]  
Cost $ 3,148 [8] $ 3,148 [5]  
Fair value $ 0 [8] $ 0 [5]  
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt      
Schedule of Investments [Line Items]      
Total Rate [5]   18.00%  
PIK Rate [5]   18.00%  
Principal [5]   $ 4,173  
Cost [5]   3,963  
Fair value [5]   $ 4,110  
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [8] 18.00%    
Principal [8] $ 114    
Cost [8] 112    
Fair value [8] $ 110    
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [8] 18.00%    
PIK Rate [8] 18.00%    
Principal [8] $ 4,367    
Cost [8] 4,178    
Fair value [8] $ 4,214    
Investment, Identifier [Axis]: AAC Holdings, Inc., Warrants      
Schedule of Investments [Line Items]      
Units (in shares) 197,717 [8],[24] 197,717 [5],[25]  
Cost $ 0 [8],[24] $ 0 [5],[25]  
Fair value $ 0 [8],[24] $ 0 [5],[25]  
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [6],[26] 13.00%    
Reference Rate and Spread 5.00% [6],[26] 6.00% [7],[15]  
Principal $ 43 [6],[26] $ 0 [7],[15]  
Cost 39 [6],[26] (5) [7],[15]  
Fair value $ 43 [6],[26] $ (5) [7],[15]  
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.80% [6],[26],[27],[28] 10.20% [7],[15]  
Reference Rate and Spread 6.00% [6],[26],[27],[28] 6.00% [7],[15]  
Principal $ 259 [6],[26],[27],[28] $ 86 [7],[15]  
Cost 251 [6],[26],[27],[28] 77 [7],[15]  
Fair value $ 258 [6],[26],[27],[28] $ 86 [7],[15]  
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 10.79% [6],[26],[27] 10.58% [7],[15]  
Reference Rate and Spread 6.00% [6],[26],[27] 6.00% [7],[15]  
Principal $ 2,063 [6],[26],[27] $ 1,983 [7],[15]  
Cost 2,011 [6],[26],[27] 1,930 [7],[15]  
Fair value $ 2,063 [6],[26],[27] $ 1,983 [7],[15]  
Investment, Identifier [Axis]: ADS Tactical, Inc., Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 10.59% [8],[26] 10.14% [5],[15]  
Reference Rate and Spread 5.75% [8],[26] 5.75% [5],[15]  
Principal $ 9,000 [8],[26] $ 9,125 [5],[15]  
Cost 8,883 [8],[26] 8,996 [5],[15]  
Fair value $ 8,370 [8],[26] $ 8,213 [5],[15]  
Investment, Identifier [Axis]: AFG Capital Group, LLC, Preferred Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 46 [29] 46 [30]  
Cost $ 300 [29] $ 300 [30]  
Fair value $ 2,350 [29] $ 2,350 [30]  
Investment, Identifier [Axis]: AFG Capital Group, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate     10.00%
Investment, Identifier [Axis]: AMEREQUIP LLC., Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 11 [6],[29] 11 [7]  
Cost $ 83 [6],[29] $ 80 [7]  
Fair value $ 90 [6],[29] $ 80 [7]  
Investment, Identifier [Axis]: AMEREQUIP LLC., Secured Debt 1      
Schedule of Investments [Line Items]      
Reference Rate and Spread 7.40% [6],[26],[27],[31] 7.40% [7],[15]  
Principal $ 0 [6],[26],[27],[31] $ 0 [7],[15]  
Cost 0 [6],[26],[27],[31] 0 [7],[15]  
Fair value $ 0 [6],[26],[27],[31] $ 0 [7],[15]  
Investment, Identifier [Axis]: AMEREQUIP LLC., Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.10% [6],[26],[27] 11.72% [7],[15]  
Reference Rate and Spread 7.40% [6],[26],[27] 7.40% [7],[15]  
Principal $ 2,021 [6],[26],[27] $ 2,026 [7],[15]  
Cost 2,021 [6],[26],[27] 2,026 [7],[15]  
Fair value $ 2,021 [6],[26],[27] $ 2,025 [7],[15]  
Investment, Identifier [Axis]: ASK (Analytical Systems Keco Holdings, LLC), Preferred Member Units 1      
Schedule of Investments [Line Items]      
Total Rate 14.13%    
Investment, Identifier [Axis]: ASK (Analytical Systems Keco Holdings, LLC), Secured Debt      
Schedule of Investments [Line Items]      
Total Rate     12.00%
Reference Rate and Spread     10.00%
Investment, Identifier [Axis]: ASK (Analytical Systems Keco Holdings, LLC), Secured Debt 1      
Schedule of Investments [Line Items]      
Reference Rate and Spread 10.00%    
Investment, Identifier [Axis]: ASK (Analytical Systems Keco Holdings, LLC), Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 14.75%    
Reference Rate and Spread 10.00%    
Investment, Identifier [Axis]: ATS Operating, LLC, Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 100,000 [6] 100,000 [7]  
Cost $ 100 [6] $ 100 [7]  
Fair value $ 90 [6] $ 90 [7]  
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [6],[26],[27] 11.39%    
Reference Rate and Spread 6.50% [6],[26],[27] 5.50% [7],[15]  
Principal $ 50 [6],[26],[27] $ 0 [7],[15]  
Cost 50 [6],[26],[27] 0 [7],[15]  
Fair value $ 50 [6],[26],[27] $ 0 [7],[15]  
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.09% [6],[26],[27] 9.32% [7],[15]  
Reference Rate and Spread 5.50% [6],[26],[27] 5.50% [7],[15]  
Principal $ 925 [6],[26],[27] $ 925 [7],[15]  
Cost 908 [6],[26],[27] 907 [7],[15]  
Fair value $ 914 [6],[26],[27] $ 914 [7],[15]  
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 12.09% [6],[26],[27] 11.32% [7],[15]  
Reference Rate and Spread 7.50% [6],[26],[27] 7.50% [7],[15]  
Principal $ 925 [6],[26],[27] $ 925 [7],[15]  
Cost 908 [6],[26],[27] 907 [7],[15]  
Fair value $ 916 [6],[26],[27] $ 916 [7],[15]  
Investment, Identifier [Axis]: ATX Networks Corp., Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) [5]   585  
Cost [5]   $ 0  
Fair value [5]   $ 3,290  
Investment, Identifier [Axis]: ATX Networks Corp., Secured Debt      
Schedule of Investments [Line Items]      
Total Rate   12.23% [5],[15] 8.50%
Reference Rate and Spread 7.50% 7.50% [5],[15] 7.50%
Principal [5],[15]   $ 6,811  
Cost [5],[15]   6,266  
Fair value [5],[15]   $ 6,368  
Investment, Identifier [Axis]: ATX Networks Corp., Unsecured Debt      
Schedule of Investments [Line Items]      
Total Rate   10.00% [5] 10.00%
PIK Rate 10.00% 10.00% [5] 10.00%
Principal [5]   $ 3,417  
Cost [5]   2,337  
Fair value [5]   $ 2,614  
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) 137 [6] 50 [7]  
Cost $ 134 [6] $ 50 [7]  
Fair value $ 140 [6] $ 56 [7]  
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [6],[26],[27] 12.52%    
Reference Rate and Spread 7.75% [6],[26],[27] 7.25% [7],[15]  
Principal $ 307 [6],[26],[27] $ 0 [7],[15]  
Cost 287 [6],[26],[27] (8) [7],[15]  
Fair value $ 294 [6],[26],[27] $ (8) [7],[15]  
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.61% [6],[26],[27] 12.17% [7],[15]  
Reference Rate and Spread 7.75% [6],[26],[27] 7.25% [7],[15]  
Principal $ 4,028 [6],[26],[27] $ 4,038 [7],[15]  
Cost 3,874 [6],[26],[27] 3,876 [7],[15]  
Fair value $ 3,862 [6],[26],[27] $ 3,876 [7],[15]  
Investment, Identifier [Axis]: Acumera, Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 14.13% [6] 13.88% [7],[15]  
Reference Rate and Spread 9.50% [6] 9.50% [7],[15]  
Principal $ 4,616 [6] $ 4,616 [7],[15]  
Cost 4,517 [6] 4,511 [7],[15]  
Fair value $ 4,616 [6] $ 4,616 [7],[15]  
Investment, Identifier [Axis]: Acumera, Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 14.13% [6] 13.57% [7],[15]  
Reference Rate and Spread 9.50% [6] 9.00% [7],[15]  
Principal $ 230 [6] $ 1,379 [7],[15]  
Cost 224 [6] 1,348 [7],[15]  
Fair value $ 230 [6] $ 1,379 [7],[15]  
Investment, Identifier [Axis]: Acumera, Inc., Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [6] 14.13%    
Reference Rate and Spread [6] 9.50%    
Principal [6] $ 1,379    
Cost [6] 1,350    
Fair value [6] $ 1,379    
Investment, Identifier [Axis]: Acumera, Inc., Warrants      
Schedule of Investments [Line Items]      
Units (in shares) [6] 6,703    
Cost [6] $ 0    
Fair value [6] $ 0    
Investment, Identifier [Axis]: Adams Publishing Group, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 10.00% [6],[26],[32] 10.00% [7],[15],[33]  
Reference Rate and Spread 6.50% [6],[26],[32] 6.00% [7],[15],[33]  
Principal $ 894 [6],[26],[32] $ 565 [7],[15],[33]  
Cost 894 [6],[26],[32] 565 [7],[15],[33]  
Fair value $ 857 [6],[26],[32] $ 565 [7],[15],[33]  
Investment, Identifier [Axis]: Adams Publishing Group, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.00% [6],[26],[34] 10.00% [7],[15],[33]  
Reference Rate and Spread 7.50% [6],[26],[34] 7.50% [7],[15],[33]  
Principal $ 2,749 [6],[26],[34] $ 2,826 [7],[15],[33]  
Cost 2,743 [6],[26],[34] 2,819 [7],[15],[33]  
Fair value $ 2,749 [6],[26],[34] $ 2,826 [7],[15],[33]  
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Reference Rate and Spread 6.00% [6],[26],[31] 6.00% [7],[15]  
Principal $ 0 [6],[26],[31] $ 0 [7],[15]  
Cost (12) [6],[26],[31] (13) [7],[15]  
Fair value $ (12) [6],[26],[31] $ (13) [7],[15]  
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.12% [6],[26] 11.12% [7],[15]  
Reference Rate and Spread 6.00% [6],[26] 6.00% [7],[15]  
Principal $ 8,250 [6],[26] $ 8,271 [7],[15]  
Cost 8,190 [6],[26] 8,206 [7],[15]  
Fair value $ 8,250 [6],[26] $ 8,271 [7],[15]  
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 12.49% [6],[26],[27] 10.46% [7],[15]  
Reference Rate and Spread 6.75% [6],[26],[27] 6.75% [7],[15]  
PIK Rate [6],[26],[27] 1.00%    
Principal $ 4,228 [6],[26],[27] $ 4,438 [7],[15]  
Cost 4,199 [6],[26],[27] 4,416 [7],[15]  
Fair value $ 3,624 [6],[26],[27] $ 4,148 [7],[15]  
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 14.49% [6],[26],[27] 12.46% [7],[15]  
Reference Rate and Spread 8.75% [6],[26],[27] 8.75% [7],[15]  
PIK Rate [6],[26],[27] 1.00%    
Principal $ 4,228 [6],[26],[27] $ 4,438 [7],[15]  
Cost 4,199 [6],[26],[27] 4,417 [7],[15]  
Fair value $ 3,614 [6],[26],[27] $ 4,161 [7],[15]  
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 7.50% [8],[35] 7.50% [5],[36]  
Reference Rate and Spread 6.50% [8],[35] 6.50% [5],[36]  
Principal $ 2,425 [8],[35] $ 2,425 [5],[36]  
Cost 2,375 [8],[35] 2,375 [5],[36]  
Fair value $ 124 [8],[35] $ 136 [5],[36]  
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 7.50% [8],[26],[35] 7.50% [5],[15],[36]  
Reference Rate and Spread 6.50% [8],[26],[35] 6.50% [5],[15],[36]  
Principal $ 11,693 [8],[26],[35] $ 11,693 [5],[15],[36]  
Cost 11,451 [8],[26],[35] 11,451 [5],[15],[36]  
Fair value $ 599 [8],[26],[35] $ 658 [5],[15],[36]  
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 1      
Schedule of Investments [Line Items]      
Units (in shares) 800 800  
Total Rate 14.13% 14.13%  
Cost $ 800 $ 800  
Fair value $ 0 $ 0  
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 2      
Schedule of Investments [Line Items]      
Units (in shares) 607 607  
Cost $ 607 $ 607  
Fair value $ 900 $ 880  
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Reference Rate and Spread 10.00% [26],[31] 10.00% [15]  
Principal $ 0 [26],[31] $ 0 [15]  
Cost (2) [26],[31] (2) [15]  
Fair value $ (2) [26],[31] $ (2) [15]  
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 14.75% [26] 14.13% [15]  
Reference Rate and Spread 10.00% [26] 10.00% [15]  
Principal $ 1,149 [26] $ 1,166 [15]  
Cost 1,122 [26] 1,135 [15]  
Fair value $ 1,122 [26] $ 1,135 [15]  
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Warrants      
Schedule of Investments [Line Items]      
Units (in shares) 105 [24] 105 [25]  
Cost $ 79 [24] $ 79 [25]  
Fair value $ 0 [24] $ 0 [25]  
Investment, Identifier [Axis]: ArborWorks, LLC, Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) 124 [6] 124 [7]  
Cost $ 124 [6] $ 124 [7]  
Fair value $ 0 [6] $ 0 [7]  
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 14.83% [6],[26],[27] 13.41% [7],[15]  
Reference Rate and Spread 7.00% [6],[26],[27] 9.00% [7],[15]  
PIK Rate [6],[26],[27] 3.00%    
Principal $ 2,484 [6],[26],[27] $ 2,484 [7],[15]  
Cost 2,431 [6],[26],[27] 2,427 [7],[15]  
Fair value $ 2,001 [6],[26],[27] $ 2,095 [7],[15]  
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 14.83% [6],[26],[27] 13.56% [7],[15]  
Reference Rate and Spread 7.00% [6],[26],[27] 9.00% [7],[15]  
PIK Rate [6],[26],[27] 3.00%    
Principal $ 15,665 [6],[26],[27] $ 15,786 [7],[15]  
Cost 15,436 [6],[26],[27] 15,540 [7],[15]  
Fair value $ 12,617 [6],[26],[27] $ 13,313 [7],[15]  
Investment, Identifier [Axis]: Archer Systems, LLC, Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 62,402 [6] 62,402 [7]  
Cost $ 62 [6] $ 62 [7]  
Fair value $ 80 [6] $ 62 [7]  
Investment, Identifier [Axis]: Archer Systems, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Reference Rate and Spread 6.00% [6],[26],[27],[31] 6.50% [7],[15]  
Principal $ 0 [6],[26],[27],[31] $ 0 [7],[15]  
Cost (4) [6],[26],[27],[31] (4) [7],[15]  
Fair value $ (4) [6],[26],[27],[31] $ (4) [7],[15]  
Investment, Identifier [Axis]: Archer Systems, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.72% [6],[26],[27] 10.92% [7],[15]  
Reference Rate and Spread 6.00% [6],[26],[27] 6.50% [7],[15]  
Principal $ 2,200 [6],[26],[27] $ 2,205 [7],[15]  
Cost 2,161 [6],[26],[27] 2,165 [7],[15]  
Fair value $ 2,145 [6],[26],[27] $ 2,170 [7],[15]  
Investment, Identifier [Axis]: BBB Tank Services, LLC, Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 200,000 200,000  
Cost $ 200 $ 200  
Fair value $ 0 $ 0  
Investment, Identifier [Axis]: BBB Tank Services, LLC, Preferred Stock (non-voting)      
Schedule of Investments [Line Items]      
Total Rate 15.00% 15.00%  
Cost $ 41 $ 41  
Fair value $ 0 $ 0  
Investment, Identifier [Axis]: BBB Tank Services, LLC, Unsecured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 15.66% [26],[37] 15.12% [15],[38]  
Reference Rate and Spread 11.00% [26],[37] 11.00% [15],[38]  
Principal $ 200 [26],[37] $ 200 [15],[38]  
Cost 200 [26],[37] 200 [15],[38]  
Fair value $ 200 [26],[37] $ 200 [15],[38]  
Investment, Identifier [Axis]: BBB Tank Services, LLC, Unsecured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 15.66% [26],[37] 15.12% [15],[38]  
Reference Rate and Spread 11.00% [26],[37] 11.00% [15],[38]  
Principal $ 1,000 [26],[37] $ 1,000 [15],[38]  
Cost 1,000 [26],[37] 1,000 [15],[38]  
Fair value $ 522 [26],[37] $ 522 [15],[38]  
Investment, Identifier [Axis]: Barfly Ventures, LLC, Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 12 [6] 12 [7]  
Cost $ 528 [6] $ 528 [7]  
Fair value $ 1,013 [6] $ 1,107 [7]  
Investment, Identifier [Axis]: Batjer TopCo, LLC, Preferred Stock      
Schedule of Investments [Line Items]      
Units (in shares) 453 [29] 453 [30]  
Cost $ 455 [29] $ 455 [30]  
Fair value 680 [29] 455 [30]  
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate     11.00%
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Principal 0 [31] 0  
Cost (1) [31] (1)  
Fair value $ (1) [31] $ (1)  
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.00% 11.00%  
Principal $ 1,175 $ 1,225  
Cost 1,157 1,205  
Fair value $ 1,157 $ 1,205  
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units 1      
Schedule of Investments [Line Items]      
Units (in shares) 1,548,387 [6],[29],[39] 1,548,387 [7],[30],[40]  
Total Rate 8.00% [6],[29],[39] 8.00% [7],[30],[40]  
PIK Rate 8.00% [6],[29],[39] 8.00% [7],[30],[40]  
Cost $ 1,184 [6],[29],[39] $ 1,161 [7],[30],[40]  
Fair value $ 5,544 [6],[29],[39] $ 4,561 [7],[30],[40]  
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units 2      
Schedule of Investments [Line Items]      
Units (in shares) 122,416 [6],[29],[31],[39] 122,416 [7],[30],[40]  
PIK Rate 16.00% [6],[29],[31],[39] 16.00% [7],[30],[40]  
Cost $ 0 [6],[29],[31],[39] $ 0 [7],[30],[40]  
Fair value $ 340 [6],[29],[31],[39] $ 270 [7],[30],[40]  
Investment, Identifier [Axis]: Berry Aviation, Inc., Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 12.00% [6] 12.00% [7]  
PIK Rate 1.50% [6] 1.50% [7]  
Principal $ 197 [6] $ 190 [7]  
Cost 197 [6] 189 [7]  
Fair value $ 197 [6] $ 190 [7]  
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Reference Rate and Spread 7.00% [6],[26],[27],[31] 1.00% [7],[15]  
PIK Rate 6.00% [6],[26],[27],[31] 6.00% [7],[15]  
Principal $ 0 [6],[26],[27],[31] $ 0 [7],[15]  
Cost (21) [6],[26],[27],[31] (22) [7],[15]  
Fair value $ (21) [6],[26],[27],[31] $ (22) [7],[15]  
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.89% [6],[26],[27] 11.40% [7],[15]  
Reference Rate and Spread 7.00% [6],[26],[27] 1.00% [7],[15]  
PIK Rate 6.00% [6],[26],[27] 6.00% [7],[15]  
Principal $ 8,111 [6],[26],[27] $ 7,991 [7],[15]  
Cost 7,975 [6],[26],[27] 7,848 [7],[15]  
Fair value $ 8,111 [6],[26],[27] $ 7,991 [7],[15]  
Investment, Identifier [Axis]: Binswanger Enterprises, LLC, Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 1,050,000 [6] 1,050,000 [7]  
Cost $ 1,050 [6] $ 1,050 [7]  
Fair value $ 230 [6] $ 420 [7]  
Investment, Identifier [Axis]: Bluestem Brands, Inc., Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 700,446 [8],[29] 700,446 [5],[30]  
Cost $ 0 [8],[29] $ 0 [5],[30]  
Fair value $ 2,974 [8],[29] $ 4,708 [5],[30]  
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [8],[26] 15.50%    
Reference Rate and Spread 7.50% [8],[26] 8.50% [5],[15]  
PIK Rate [8],[26] 14.50%    
Principal $ 1,299 [8],[26] $ 0 [5],[15]  
Cost 1,299 [8],[26] 0 [5],[15]  
Fair value $ 1,221 [8],[26] $ 0 [5],[15]  
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 13.07% [8],[26] 12.94% [5],[15]  
Reference Rate and Spread 8.50% [8],[26] 8.50% [5],[15]  
PIK Rate [8],[26] 12.07%    
Principal $ 3,549 [8],[26] $ 3,473 [5],[15]  
Cost 2,626 [8],[26] 2,455 [5],[15]  
Fair value $ 3,336 [8],[26] $ 3,366 [5],[15]  
Investment, Identifier [Axis]: Bluestem Brands, Inc., Warrants      
Schedule of Investments [Line Items]      
Units (in shares) 175,110 [8],[24] 175,110 [5],[25]  
Cost $ 1,111 [8],[24] $ 1,111 [5],[25]  
Fair value $ 739 [8],[24] $ 1,173 [5],[25]  
Investment, Identifier [Axis]: Boccella Precast Products LLC, Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 540,000 540,000 [30]  
Cost $ 564 $ 564 [30]  
Fair value $ 692 $ 741 [30]  
Investment, Identifier [Axis]: Boccella Precast Products LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 10.00% 10.00%  
Principal $ 80 $ 80  
Cost 80 80  
Fair value $ 80 $ 80  
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Preferred Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 737 [29] 737 [30]  
Cost $ 1,070 [29] $ 1,070 [30]  
Fair value $ 1,640 [29] $ 1,770 [30]  
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 14.66% [26] 14.12% [15] 11.00%
Reference Rate and Spread 10.00% [26] 10.00% [15] 10.00%
Principal $ 1,460 [26] $ 1,491 [15]  
Cost 1,460 [26] 1,491 [15]  
Fair value $ 1,460 [26] $ 1,491 [15]  
Investment, Identifier [Axis]: Brightwood Capital Fund Investments, LP Interests (Brightwood Capital Fund III, LP)      
Schedule of Investments [Line Items]      
Units (percentage) 0.50% [9],[10],[41] 0.50% [11],[12],[30],[42]  
Cost $ 2,449 [9],[10],[41] $ 2,449 [11],[12],[30],[42]  
Fair value $ 1,529 [9],[10],[41] $ 1,576 [11],[12],[30],[42]  
Investment, Identifier [Axis]: Brightwood Capital Fund Investments, LP Interests (Brightwood Capital Fund IV, LP)      
Schedule of Investments [Line Items]      
Units (percentage) 1.20% [9],[10],[29],[41] 1.20% [11],[12],[30],[42]  
Cost $ 8,737 [9],[10],[29],[41] $ 8,737 [11],[12],[30],[42]  
Fair value $ 9,328 [9],[10],[29],[41] $ 9,082 [11],[12],[30],[42]  
Investment, Identifier [Axis]: Buca C, LLC, Preferred Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 4 4  
Total Rate 6.00% 6.00%  
PIK Rate 6.00% 6.00%  
Cost $ 3,040 $ 3,040  
Fair value $ 0 $ 0  
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 12.00% 9.00%  
Principal $ 11,490 $ 11,740  
Cost 11,490 11,740  
Fair value $ 8,095 $ 8,345  
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [6],[26] 9.83%    
Reference Rate and Spread 5.00% [6],[26] 5.00% [7],[15]  
Principal $ 516 [6],[26] $ 0 [7],[15]  
Cost 499 [6],[26] (19) [7],[15]  
Fair value $ 516 [6],[26] $ 0 [7],[15]  
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 9.63% [6],[26] 8.91% [7],[15]  
Reference Rate and Spread 5.00% [6],[26] 5.00% [7],[15]  
Principal $ 13,222 [6],[26] $ 13,255 [7],[15]  
Cost 13,045 [6],[26] 13,070 [7],[15]  
Fair value $ 13,222 [6],[26] $ 13,255 [7],[15]  
Investment, Identifier [Axis]: CAI Software LLC, Preferred Equity 1      
Schedule of Investments [Line Items]      
Units (in shares) 379,338 379,338 [30]  
Cost $ 379 $ 379 [30]  
Fair value $ 379 $ 379 [30]  
Investment, Identifier [Axis]: CAI Software LLC, Preferred Equity 2      
Schedule of Investments [Line Items]      
Units (in shares) 126,446 126,446  
Cost $ 0 $ 0  
Fair value $ 0 $ 0  
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate [7],[15],[43]   11.99%  
Reference Rate and Spread [7],[15],[43]   8.50%  
PIK Rate [7],[15],[43]   0.01%  
Principal [7],[15],[43]   $ 20,112  
Cost [7],[15],[43]   20,066  
Fair value [7],[15],[43]   $ 20,112  
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [6],[26] 13.14%    
Reference Rate and Spread [6],[26] 6.50%    
PIK Rate [6],[26] 2.00%    
Principal [6],[26] $ 14,372    
Cost [6],[26] 14,350    
Fair value [6],[26] $ 14,372    
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [6],[26] 13.14%    
Reference Rate and Spread [6],[26] 6.50%    
PIK Rate [6],[26] 2.00%    
Principal [6],[26] $ 4,464    
Cost [6],[26] 4,457    
Fair value [6],[26] $ 4,464    
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [6],[26] 13.33%    
Reference Rate and Spread [6],[26] 6.50%    
PIK Rate [6],[26] 2.00%    
Principal [6],[26] $ 0    
Cost [6],[26] 0    
Fair value [6],[26] $ 0    
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt 4      
Schedule of Investments [Line Items]      
Total Rate [6],[26] 13.23%    
Reference Rate and Spread [6],[26] 6.50%    
PIK Rate [6],[26] 2.00%    
Principal [6],[26] $ 0    
Cost [6],[26] 0    
Fair value [6],[26] $ 0    
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt 5      
Schedule of Investments [Line Items]      
Total Rate [6],[26] 13.33%    
Reference Rate and Spread [6],[26] 6.50%    
PIK Rate [6],[26] 2.00%    
Principal [6],[26] $ 1,774    
Cost [6],[26] 1,771    
Fair value [6],[26] $ 1,774    
Investment, Identifier [Axis]: Camin Cargo Control, Inc., Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 11.34% [8],[26],[27] 10.88% [5],[15]  
Reference Rate and Spread 6.50% [8],[26],[27] 6.50% [5],[15]  
Principal $ 7,589 [8],[26],[27] $ 7,609 [5],[15]  
Cost 7,537 [8],[26],[27] 7,553 [5],[15]  
Fair value $ 7,323 [8],[26],[27] $ 7,342 [5],[15]  
Investment, Identifier [Axis]: Career Team Holdings, LLC, Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 50,000 50,000  
Cost $ 500 $ 500  
Fair value $ 500 $ 500  
Investment, Identifier [Axis]: Career Team Holdings, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Reference Rate and Spread 6.00% [26],[31] 6.00% [15]  
Principal $ 0 [26],[31] $ 0 [15]  
Cost (3) [26],[31] (3) [15]  
Fair value $ (3) [26],[31] $ (3) [15]  
Investment, Identifier [Axis]: Career Team Holdings, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.50% 12.50%  
Principal $ 2,250 $ 2,250  
Cost 2,200 2,196  
Fair value $ 2,200 $ 2,196  
Investment, Identifier [Axis]: CaseWorthy, Inc., Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) 80,000 [6] 80,000 [7]  
Cost $ 80 [6] $ 80 [7]  
Fair value $ 80 [6] $ 80 [7]  
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Reference Rate and Spread 6.00% [6],[26],[31] 6.00% [7],[15]  
Principal $ 0 [6],[26],[31] $ 0 [7],[15]  
Cost (3) [6],[26],[31] (4) [7],[15]  
Fair value $ (3) [6],[26],[31] $ (4) [7],[15]  
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.73% [6],[26] 10.73% [7],[15]  
Reference Rate and Spread 6.00% [6],[26] 6.00% [7],[15]  
Principal $ 2,600 [6],[26] $ 2,600 [7],[15]  
Cost 2,575 [6],[26] 2,574 [7],[15]  
Fair value $ 2,576 [6],[26] $ 2,574 [7],[15]  
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 10.73% [6],[26] 10.48% [7],[15]  
Reference Rate and Spread 6.00% [6],[26] 5.75% [7],[15]  
Principal $ 1,995 [6],[26] $ 1,995 [7],[15]  
Cost 1,978 [6],[26] 1,977 [7],[15]  
Fair value $ 1,995 [6],[26] $ 1,995 [7],[15]  
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Preferred Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 3,327 3,327  
Cost $ 1,531 $ 1,531  
Fair value $ 2,320 $ 2,170  
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate     12.00%
Reference Rate and Spread     10.00%
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Reference Rate and Spread 9.00% [26],[31] 9.00% [15]  
Principal $ 0 [26],[31] $ 0 [15]  
Cost 0 [26],[31] 0 [15]  
Fair value $ 0 [26],[31] $ 0 [15]  
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 13.75% [26] 13.13% [15]  
Reference Rate and Spread 9.00% [26] 9.00% [15]  
Principal $ 3,758 [26] $ 3,758 [15]  
Cost 3,733 [26] 3,731 [15]  
Fair value $ 3,733 [26] $ 3,731 [15]  
Investment, Identifier [Axis]: Chamberlin Holding LLC, Member Units 1      
Schedule of Investments [Line Items]      
Units (in shares) 1,087 [29] 1,087 [30]  
Cost $ 2,860 [29] $ 2,860 [30]  
Fair value $ 5,700 [29] $ 5,728 [30]  
Investment, Identifier [Axis]: Chamberlin Holding LLC, Member Units 2      
Schedule of Investments [Line Items]      
Units (in shares) 261,786 [29],[39] 261,786 [30],[40]  
Cost $ 443 [29],[39] $ 443 [30],[40]  
Fair value $ 708 [29],[39] $ 678 [30],[40]  
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate     9.00%
Reference Rate and Spread     8.00%
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Reference Rate and Spread 6.00% [26],[27] 6.00% [15]  
Principal $ 0 [26],[27] $ 0 [15]  
Cost 0 [26],[27] 0 [15]  
Fair value $ 0 [26],[27] $ 0 [15]  
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.86% [26],[27] 12.13% [15]  
Reference Rate and Spread 8.00% [26],[27] 8.00% [15]  
Principal $ 4,236 [26],[27] $ 4,236 [15]  
Cost 4,233 [26],[27] 4,228 [15]  
Fair value $ 4,236 [26],[27] $ 4,236 [15]  
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 11.06% [6],[26],[27],[44] 10.72% [7],[15],[45]  
Reference Rate and Spread 6.25% [6],[26],[27],[44] 6.25% [7],[15],[45]  
Principal $ 172 [6],[26],[27],[44] $ 172 [7],[15],[45]  
Cost 163 [6],[26],[27],[44] 162 [7],[15],[45]  
Fair value $ 168 [6],[26],[27],[44] $ 169 [7],[15],[45]  
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.08% [6],[26],[27],[44] 10.71% [7],[15],[46]  
Reference Rate and Spread 6.25% [6],[26],[27],[44] 6.25% [7],[15],[46]  
Principal $ 3,574 [6],[26],[27],[44] $ 3,591 [7],[15],[46]  
Cost 3,517 [6],[26],[27],[44] 3,530 [7],[15],[46]  
Fair value $ 3,500 [6],[26],[27],[44] $ 3,539 [7],[15],[46]  
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [6],[26],[27] 11.14%    
Reference Rate and Spread [6],[26],[27] 6.25%    
Principal [6],[26],[27] $ 453    
Cost [6],[26],[27] 441    
Fair value [6],[26],[27] $ 444    
Investment, Identifier [Axis]: Charps, LLC, Preferred Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 457 [29] 457  
Cost $ 491 [29] $ 491  
Fair value $ 3,390 [29] $ 3,330  
Investment, Identifier [Axis]: Charps, LLC, Unsecured Debt      
Schedule of Investments [Line Items]      
Total Rate     10.00%
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Member Units 1      
Schedule of Investments [Line Items]      
Units (in shares) 179 [29] 179 [30]  
Cost $ 1,820 [29] $ 1,820 [30]  
Fair value $ 1,790 [29] $ 2,060 [30]  
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Member Units 2      
Schedule of Investments [Line Items]      
Units (in shares) 200 [39] 200 [40]  
Cost $ 53 [39] $ 53 [40]  
Fair value $ 207 [39] $ 152 [40]  
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 13.79% [26],[27] 13.23% [15] 10.50%
Reference Rate and Spread 9.00% [26],[27] 9.00% [15] 9.50%
Principal $ 2,500 [26],[27] $ 2,620 [15]  
Cost 2,500 [26],[27] 2,620 [15]  
Fair value $ 2,500 [26],[27] $ 2,620 [15]  
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.00% 10.00% 10.00%
Principal $ 260 $ 262  
Cost 258 260  
Fair value $ 258 $ 260  
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 2.1      
Schedule of Investments [Line Items]      
Total Rate 13.79%    
Reference Rate and Spread 9.00%    
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 10.00%    
Investment, Identifier [Axis]: Clarius BIGS, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 15.00% [6],[35],[37] 15.00% [7],[36],[38]  
PIK Rate 15.00% [6],[35],[37] 15.00% [7],[36],[38]  
Principal $ 2,747 [6],[35],[37] $ 2,747 [7],[36],[38]  
Cost 2,402 [6],[35],[37] 2,403 [7],[36],[38]  
Fair value $ 26 [6],[35],[37] $ 19 [7],[36],[38]  
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Preferred Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 39 [29] 39 [30]  
Cost $ 1,440 [29] $ 1,440 [30]  
Fair value $ 6,430 [29] $ 6,160 [30]  
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 10.88% [26] 9.75% [15]  
Reference Rate and Spread 6.00% [26] 6.00% [15]  
Principal $ 1,140 [26] $ 1,140 [15]  
Cost 1,128 [26] 1,127 [15]  
Fair value $ 1,140 [26] $ 1,140 [15]  
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 8.00% 8.00%  
Principal $ 4,819 $ 4,819  
Cost 4,757 4,754  
Fair value $ 4,819 $ 4,819  
Investment, Identifier [Axis]: Cody Pools, Inc., Preferred Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 147 [29],[39] 147 [30],[40]  
Cost $ 2,079 [29],[39] $ 2,079 [30],[40]  
Fair value $ 14,790 [29],[39] $ 14,550 [30],[40]  
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt      
Schedule of Investments [Line Items]      
Total Rate     12.25%
Reference Rate and Spread     10.50%
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 15.50% [26] 15.38% [15]  
Reference Rate and Spread 10.50% [26] 10.50% [15]  
Principal $ 196 [26] $ 273 [15]  
Cost 184 [26] 261 [15]  
Fair value $ 196 [26] $ 273 [15]  
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 15.50% [26] 15.38% [15]  
Reference Rate and Spread 10.50% [26] 10.50% [15]  
Principal $ 6,806 [26] $ 6,882 [15]  
Cost 6,717 [26] 6,786 [15]  
Fair value $ 6,806 [26] $ 6,882 [15]  
Investment, Identifier [Axis]: Colonial Electric Company LLC, Preferred Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 4,320 4,320 [30]  
Cost $ 1,920 $ 1,920 [30]  
Fair value 2,050 2,290 [30]  
Investment, Identifier [Axis]: Colonial Electric Company LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate     12.00%
Investment, Identifier [Axis]: Colonial Electric Company LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Principal 0 [31] 0  
Cost 0 [31] 0  
Fair value $ 0 [31] $ 0  
Investment, Identifier [Axis]: Colonial Electric Company LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.00% 12.00%  
Principal $ 5,749 $ 5,828  
Cost 5,659 5,729  
Fair value $ 5,659 $ 5,729  
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 12.34% [6],[26],[47] 12.56% [7],[15],[48]  
Reference Rate and Spread 7.50% [6],[26],[47] 8.00% [7],[15],[48]  
Principal $ 4,167 [6],[26],[47] $ 4,167 [7],[15],[48]  
Cost 4,110 [6],[26],[47] 4,106 [7],[15],[48]  
Fair value $ 3,799 [6],[26],[47] $ 3,851 [7],[15],[48]  
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.35% [6],[26] 12.56% [7],[15]  
Reference Rate and Spread 7.50% [6],[26] 8.00% [7],[15]  
Principal $ 15,547 [6],[26] $ 15,604 [7],[15]  
Cost 15,334 [6],[26] 15,374 [7],[15]  
Fair value $ 14,176 [6],[26] $ 14,421 [7],[15]  
Investment, Identifier [Axis]: Construction Supply Investments, LLC, Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 861,618 [6] 861,618 [7],[30]  
Cost $ 3,335 [6] $ 3,335 [7],[30]  
Fair value $ 23,650 [6] $ 21,165 [7],[30]  
Investment, Identifier [Axis]: Copper Trail Fund Investments, LP Interests (CTMH, LP)      
Schedule of Investments [Line Items]      
Units (percentage) 38.80% [9],[10],[41] 39.00% [11],[12],[42]  
Cost $ 713 [9],[10],[41] $ 713 [11],[12],[42]  
Fair value $ 588 [9],[10],[41] $ 588 [11],[12],[42]  
Investment, Identifier [Axis]: DMA Industries, LLC, Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 1,486 1,486  
Cost $ 1,486 $ 1,486  
Fair value $ 1,820 $ 1,820  
Investment, Identifier [Axis]: DMA Industries, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 12.00% 12.00%  
Principal $ 5,300 $ 5,300  
Cost 5,222 5,217  
Fair value $ 5,300 $ 5,300  
Investment, Identifier [Axis]: DTE Enterprises, LLC, Class A Preferred Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 776,316 [6] 776,316 [7]  
Total Rate 8.00% [6] 8.00% [7]  
PIK Rate 8.00% [6] 8.00% [7]  
Cost $ 776 [6] $ 776 [7]  
Fair value $ 380 [6] $ 380 [7]  
Investment, Identifier [Axis]: DTE Enterprises, LLC, Class AA Preferred Member Units (non-voting)      
Schedule of Investments [Line Items]      
Total Rate 10.00% [6],[29] 10.00% [7],[30]  
PIK Rate 10.00% [6],[29] 10.00% [7],[30]  
Cost $ 1,190 [6],[29] $ 1,161 [7],[30]  
Fair value $ 1,190 [6],[29] $ 1,161 [7],[30]  
Investment, Identifier [Axis]: DTE Enterprises, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Reference Rate and Spread 7.50% [6],[26],[31] 7.50% [7],[15]  
Principal $ 0 [6],[26],[31] $ 0 [7],[15]  
Cost 0 [6],[26],[31] (1) [7],[15]  
Fair value $ 0 [6],[26],[31] $ (1) [7],[15]  
Investment, Identifier [Axis]: DTE Enterprises, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.44% [6],[26] 12.24% [7],[15]  
Reference Rate and Spread 7.50% [6],[26] 7.50% [7],[15]  
Principal $ 5,634 [6],[26] $ 6,119 [7],[15]  
Cost 5,632 [6],[26] 6,110 [7],[15]  
Fair value $ 5,634 [6],[26] $ 5,978 [7],[15]  
Investment, Identifier [Axis]: Dalton US Inc., Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 14 [6] 14 [7]  
Cost $ 14 [6] $ 14 [7]  
Fair value $ 14 [6] $ 14 [7]  
Investment, Identifier [Axis]: Dalton US Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 12.33% [6],[26],[27],[49] 11.90% [7],[15]  
Reference Rate and Spread 7.50% [6],[26],[27],[49] 8.00% [7],[15]  
Principal $ 232 [6],[26],[27],[49] $ 79 [7],[15]  
Cost 216 [6],[26],[27],[49] 63 [7],[15]  
Fair value $ 226 [6],[26],[27],[49] $ 78 [7],[15]  
Investment, Identifier [Axis]: Dalton US Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Reference Rate and Spread 7.50% [6],[26],[27],[31] 8.00% [7],[15]  
Principal $ 0 [6],[26],[27],[31] $ 0 [7],[15]  
Cost (5) [6],[26],[27],[31] (5) [7],[15]  
Fair value $ (5) [6],[26],[27],[31] $ (5) [7],[15]  
Investment, Identifier [Axis]: Dalton US Inc., Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 12.26% [6],[26],[27] 12.56% [7],[15]  
Reference Rate and Spread 7.50% [6],[26],[27] 8.00% [7],[15]  
Principal $ 1,032 [6],[26],[27] $ 1,035 [7],[15]  
Cost 1,014 [6],[26],[27] 1,016 [7],[15]  
Fair value $ 1,006 [6],[26],[27] $ 1,020 [7],[15]  
Investment, Identifier [Axis]: Datacom, LLC, Preferred Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 1,000 [29] 1,000 [30]  
Cost $ 290 [29] $ 290 [30]  
Fair value $ 300 [29] $ 300 [30]  
Investment, Identifier [Axis]: Datacom, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate     7.50%
Investment, Identifier [Axis]: Datacom, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 7.50% 7.50%  
Principal $ 50 $ 25  
Cost 50 25  
Fair value $ 50 $ 25  
Investment, Identifier [Axis]: Datacom, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.00% 7.50%  
Principal $ 951 $ 958  
Cost 893 895  
Fair value $ 864 $ 865  
Investment, Identifier [Axis]: Digital Products Holdings LLC, Preferred Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 964 [29] 964 [30]  
Cost $ 2,375 [29] $ 2,375 [30]  
Fair value $ 2,459 [29] $ 2,459 [30]  
Investment, Identifier [Axis]: Digital Products Holdings LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 14.75% [26] 14.13% [15] 11.00%
Reference Rate and Spread 10.00% [26] 10.00% [15] 10.00%
Principal $ 3,801 [26] $ 3,883 [15]  
Cost 3,801 [26] 3,878 [15]  
Fair value $ 3,801 [26] $ 3,878 [15]  
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Preferred Stock      
Schedule of Investments [Line Items]      
Units (in shares) 2,100 [29] 2,100 [30]  
Cost $ 2,100 [29] $ 2,100 [30]  
Fair value 5,430 [29] $ 5,558 [30]  
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt      
Schedule of Investments [Line Items]      
Total Rate     12.00%
Reference Rate and Spread     11.00%
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Reference Rate and Spread [15]   11.00%  
Principal 0 [31] $ 0 [15]  
Cost (5) [31] (5) [15]  
Fair value $ 0 [31] $ 0 [15]  
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 14.00% 15.13% [15]  
Reference Rate and Spread [15]   11.00%  
Principal $ 5,272 $ 5,352 [15]  
Cost 5,231 5,306 [15]  
Fair value $ 5,272 $ 5,352 [15]  
Investment, Identifier [Axis]: Dynamic Communities, LLC, Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) 1,250,000 [6] 1,250,000 [7]  
Cost $ 0 [6] $ 0 [7]  
Fair value $ 0 [6] $ 0 [7]  
Investment, Identifier [Axis]: Dynamic Communities, LLC, Preferred Equity 1      
Schedule of Investments [Line Items]      
Units (in shares) 125,000 [6] 125,000 [7]  
Cost $ 128 [6] $ 128 [7]  
Fair value $ 128 [6] $ 128 [7]  
Investment, Identifier [Axis]: Dynamic Communities, LLC, Preferred Equity 2      
Schedule of Investments [Line Items]      
Units (in shares) 2,376,241 [6] 2,376,241 [7]  
Cost $ 0 [6] $ 0 [7]  
Fair value $ 0 [6] $ 0 [7]  
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 9.18% [6],[26],[27] 9.18% [7],[15]  
Reference Rate and Spread 4.50% [6],[26],[27] 4.50% [7],[15]  
PIK Rate 9.18% [6],[26],[27] 9.18% [7],[15]  
Principal $ 1,875 [6],[26],[27] $ 1,875 [7],[15]  
Cost 1,717 [6],[26],[27] 1,717 [7],[15]  
Fair value $ 1,717 [6],[26],[27] $ 1,717 [7],[15]  
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.18% [6],[26],[27] 11.18% [7],[15]  
Reference Rate and Spread 6.50% [6],[26],[27] 6.50% [7],[15]  
PIK Rate 11.18% [6],[26],[27] 11.18% [7],[15]  
Principal $ 1,875 [6],[26],[27] $ 1,875 [7],[15]  
Cost 1,642 [6],[26],[27] 1,642 [7],[15]  
Fair value $ 1,642 [6],[26],[27] $ 1,642 [7],[15]  
Investment, Identifier [Axis]: EPIC Y-Grade Services, LP, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 10.96% [8],[26] 10.70% [5],[15]  
Reference Rate and Spread 6.00% [8],[26] 6.00% [5],[15]  
Principal $ 6,805 [8],[26] $ 6,840 [5],[15]  
Cost 6,746 [8],[26] 6,777 [5],[15]  
Fair value $ 5,963 [8],[26] $ 6,156 [5],[15]  
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Common Stock 1      
Schedule of Investments [Line Items]      
Units (in shares) 25 25  
Cost $ 497 $ 497  
Fair value $ 497 $ 497  
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Common Stock 2      
Schedule of Investments [Line Items]      
Units (in shares) 61 [39] 61 [40]  
Cost $ 102 [39] $ 102 [40]  
Fair value $ 102 [39] $ 102 [40]  
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Reference Rate and Spread 6.00% [26],[27],[31] 6.00% [15]  
Principal $ 0 [26],[27],[31] $ 0 [15]  
Cost (1) [26],[27],[31] (1) [15]  
Fair value $ (1) [26],[27],[31] $ (1) [15]  
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.00% 12.00%  
Principal $ 1,227 $ 1,227  
Cost 1,194 1,192  
Fair value $ 1,194 $ 1,192  
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 9.00% 9.00%  
Principal $ 415 $ 415  
Cost 411 411  
Fair value $ 411 $ 411  
Investment, Identifier [Axis]: Emerald Technologies Acquisition Co, Inc., Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 10.97% [8],[26],[27] 10.67% [5],[15]  
Reference Rate and Spread 6.25% [8],[26],[27] 6.25% [5],[15]  
Principal $ 2,438 [8],[26],[27] $ 2,453 [5],[15]  
Cost 2,397 [8],[26],[27] 2,411 [5],[15]  
Fair value $ 2,316 [8],[26],[27] $ 2,328 [5],[15]  
Investment, Identifier [Axis]: Engineering Research & Consulting, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 11.43% [6],[26],[27] 11.68% [7],[15]  
Reference Rate and Spread 6.50% [6],[26],[27] 6.50% [7],[15]  
Principal $ 310 [6],[26],[27] $ 41 [7],[15]  
Cost 297 [6],[26],[27] 27 [7],[15]  
Fair value $ 308 [6],[26],[27] $ 41 [7],[15]  
Investment, Identifier [Axis]: Engineering Research & Consulting, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.43% [6],[26],[27] 10.92% [7],[15]  
Reference Rate and Spread 6.50% [6],[26],[27] 6.50% [7],[15]  
Principal $ 5,147 [6],[26],[27] $ 5,159 [7],[15]  
Cost 5,062 [6],[26],[27] 5,070 [7],[15]  
Fair value $ 5,109 [6],[26],[27] $ 5,159 [7],[15]  
Investment, Identifier [Axis]: Event Holdco, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 11.73% [6],[26],[27],[39] 10.67% [7],[15],[40]  
Reference Rate and Spread 7.00% [6],[26],[27],[39] 7.00% [7],[15],[40]  
Principal $ 308 [6],[26],[27],[39] $ 308 [7],[15],[40]  
Cost 305 [6],[26],[27],[39] 305 [7],[15],[40]  
Fair value $ 292 [6],[26],[27],[39] $ 292 [7],[15],[40]  
Investment, Identifier [Axis]: Event Holdco, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.73% [6],[26],[27],[39] 10.67% [7],[15],[40]  
Reference Rate and Spread 7.00% [6],[26],[27],[39] 7.00% [7],[15],[40]  
Principal $ 3,692 [6],[26],[27],[39] $ 3,692 [7],[15],[40]  
Cost 3,665 [6],[26],[27],[39] 3,663 [7],[15],[40]  
Fair value 3,504 [6],[26],[27],[39] $ 3,507 [7],[15],[40]  
Investment, Identifier [Axis]: First American Treasury Obligations Fund Class Z      
Schedule of Investments [Line Items]      
Cost 10,910    
Fair value $ 10,910    
Investment, Identifier [Axis]: Flame King Holdings, LLC, Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 2,340 [29] 2,340 [30]  
Cost $ 2,600 [29] $ 2,600 [30]  
Fair value $ 5,300 [29] $ 4,400 [30]  
Investment, Identifier [Axis]: Flame King Holdings, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 11.25% [26] 10.75% [15] 12.00%
Reference Rate and Spread 6.50% [26] 6.50% [15] 11.00%
Principal $ 1,900 [26] $ 1,900 [15]  
Cost 1,886 [26] 1,885 [15]  
Fair value $ 1,900 [26] $ 1,900 [15]  
Investment, Identifier [Axis]: Flame King Holdings, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 13.75% [26] 13.25% [15] 7.50%
Reference Rate and Spread 9.00% [26] 9.00% [15] 6.50%
Principal $ 5,300 [26] $ 5,300 [15]  
Cost 5,185 [26] 5,175 [15]  
Fair value $ 5,300 [26] $ 5,300 [15]  
Investment, Identifier [Axis]: Flip Electronics LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 12.55% [6],[26],[27] 11.21% [7],[15]  
Reference Rate and Spread 7.50% [6],[26],[27] 7.50% [7],[15]  
Principal $ 1,091 [6],[26],[27] $ 818 [7],[15]  
Cost 1,091 [6],[26],[27] 818 [7],[15]  
Fair value $ 1,091 [6],[26],[27] $ 818 [7],[15]  
Investment, Identifier [Axis]: Flip Electronics LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.55% [6],[26],[27] 12.19% [7],[15]  
Reference Rate and Spread 7.50% [6],[26],[27] 7.50% [7],[15]  
Principal $ 12,327 [6],[26],[27] $ 12,327 [7],[15]  
Cost 12,078 [6],[26],[27] 12,055 [7],[15]  
Fair value $ 12,327 [6],[26],[27] $ 12,327 [7],[15]  
Investment, Identifier [Axis]: Freeport Financial Funds, LP Interests (Freeport First Lien Loan Fund III LP)      
Schedule of Investments [Line Items]      
Units (percentage) 6.00% [9],[10],[29],[41] 6.00% [11],[12],[30],[42]  
Cost $ 5,767 [9],[10],[29],[41] $ 6,303 [11],[12],[30],[42]  
Fair value $ 5,312 [9],[10],[29],[41] $ 5,848 [11],[12],[30],[42]  
Investment, Identifier [Axis]: GFG Group, LLC., Preferred Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 56 [29] 56 [30]  
Cost $ 1,225 [29] $ 1,225 [30]  
Fair value $ 1,900 [29] $ 1,790 [30]  
Investment, Identifier [Axis]: GFG Group, LLC., Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 9.00% 9.00% 12.00%
Principal $ 2,836 $ 2,836  
Cost 2,783 2,779  
Fair value $ 2,836 $ 2,836  
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 2,896 [29] 2,896 [30]  
Cost $ 6,435 [29] $ 6,435 [30]  
Fair value $ 21,890 [29] $ 21,890 [30]  
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate     8.23%
Reference Rate and Spread     8.00%
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 10.66% 10.12%  
Reference Rate and Spread 6.00% 6.00%  
Principal $ 475 $ 330  
Cost 468 324  
Fair value $ 475 $ 330  
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.66% 12.12%  
Reference Rate and Spread 8.00% 8.00%  
Principal $ 19,944 $ 19,944  
Cost 19,766 19,753  
Fair value $ 19,944 $ 19,943  
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 2,261 [29] 2,261 [30]  
Cost $ 4,423 [29] $ 4,423 [30]  
Fair value $ 14,840 [29] $ 12,720 [30]  
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate     10.50%
Reference Rate and Spread     8.50%
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Reference Rate and Spread 8.50% [26],[27],[31],[50] 8.50% [15]  
Principal $ 0 [26],[27],[31],[50] $ 0 [15]  
Cost 0 [26],[27],[31],[50] 0 [15]  
Fair value $ 0 [26],[27],[31],[50] $ 0 [15]  
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.50% [26],[27],[50] 11.50% [15]  
Reference Rate and Spread 8.50% [26],[27],[50] 8.50% [15]  
Principal $ 15,820 [26],[27],[50] $ 16,020 [15]  
Cost 15,564 [26],[27],[50] 15,747 [15]  
Fair value $ 15,820 [26],[27],[50] $ 16,020 [15]  
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 920 920  
Cost $ 920 $ 920  
Fair value $ 0 $ 0  
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 15,930 15,930  
Cost $ 1,400 $ 1,400  
Fair value $ 950 $ 950  
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate     10.50%
Reference Rate and Spread 9.50% [26],[31] 9.50% [15] 9.50%
PIK Rate     5.25%
Principal $ 0 [26],[31] $ 0 [15]  
Cost 0 [26],[31] 0 [15]  
Fair value $ 0 [26],[31] $ 0 [15]  
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.50% 12.50% 12.50%
PIK Rate     6.25%
Principal $ 600 $ 600  
Cost 600 600  
Fair value $ 571 $ 571  
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 14.34% [6],[26],[27] 14.34% [7],[15]  
Reference Rate and Spread 9.50% [6],[26],[27] 9.50% [7],[15]  
PIK Rate 14.34% [6],[26],[27] 2.00% [7],[15]  
Principal $ 187 [6],[26],[27] $ 180 [7],[15]  
Cost 186 [6],[26],[27] 179 [7],[15]  
Fair value $ 182 [6],[26],[27] $ 175 [7],[15]  
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 14.34% [6],[26],[27] 14.34% [7],[15]  
Reference Rate and Spread 9.50% [6],[26],[27] 9.50% [7],[15]  
PIK Rate 14.34% [6],[26],[27] 2.00% [7],[15]  
Principal $ 1,845 [6],[26],[27] $ 1,780 [7],[15]  
Cost 1,839 [6],[26],[27] 1,772 [7],[15]  
Fair value $ 1,798 [6],[26],[27] $ 1,731 [7],[15]  
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Reference Rate and Spread 6.50% [6],[26],[27],[31] 6.50% [7],[15]  
Principal $ 0 [6],[26],[27],[31] $ 0 [7],[15]  
Cost (17) [6],[26],[27],[31] (18) [7],[15]  
Fair value $ (17) [6],[26],[27],[31] $ (18) [7],[15]  
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Reference Rate and Spread 6.50% [6],[26],[27],[31] 6.50% [7],[15]  
Principal $ 0 [6],[26],[27],[31] $ 0 [7],[15]  
Cost (17) [6],[26],[27],[31] (18) [7],[15]  
Fair value $ (17) [6],[26],[27],[31] $ (18) [7],[15]  
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 11.12% [6],[26],[27] 10.62% [7],[15]  
Reference Rate and Spread 6.50% [6],[26],[27] 6.50% [7],[15]  
Principal $ 4,963 [6],[26],[27] $ 4,975 [7],[15]  
Cost 4,876 [6],[26],[27] 4,884 [7],[15]  
Fair value $ 4,963 [6],[26],[27] $ 4,975 [7],[15]  
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (2717 MH, L.P.)      
Schedule of Investments [Line Items]      
Units (percentage) 49.30% [9],[10],[29],[41] 49.30% [11],[12],[42]  
Cost $ 4,027 [9],[10],[29],[41] $ 3,895 [11],[12],[42]  
Fair value $ 7,009 [9],[10],[29],[41] $ 7,552 [11],[12],[42]  
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (HPEP 3, L.P.)      
Schedule of Investments [Line Items]      
Units (percentage) 8.20% [9],[10],[41] 8.20% [11],[12],[42]  
Cost $ 2,050 [9],[10],[41] $ 2,558 [11],[12],[42]  
Fair value $ 3,936 [9],[10],[41] $ 4,331 [11],[12],[42]  
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Preferred Member Units 1      
Schedule of Investments [Line Items]      
Units (in shares) 56 [29] 56 [30]  
Cost $ 713 [29] $ 713 [30]  
Fair value $ 4,370 [29] $ 4,370 [30]  
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Preferred Member Units 2      
Schedule of Investments [Line Items]      
Units (in shares) 56 [39] 56 [40]  
Cost $ 38 [39] $ 38 [40]  
Fair value $ 230 [39] $ 230 [40]  
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 10.75% [26] 10.13% [15]  
Reference Rate and Spread 6.00% [26] 6.00% [15]  
Principal $ 1,000 [26] $ 796 [15]  
Cost 998 [26] 796 [15]  
Fair value $ 1,000 [26] $ 796 [15]  
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.00% 9.00%  
Principal $ 8,200 $ 8,200  
Cost 8,151 8,147  
Fair value $ 8,200 $ 8,200  
Investment, Identifier [Axis]: Hybrid Promotions, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 13.10% [6],[26],[27] 12.07% [7]  
Reference Rate and Spread 8.25% [6],[26],[27] 8.25% [7]  
Principal $ 7,875 [6],[26],[27] $ 7,875 [7]  
Cost 7,770 [6],[26],[27] 7,762 [7]  
Fair value $ 6,468 [6],[26],[27] $ 6,826 [7]  
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [5],[15],[51]   10.17%  
Reference Rate and Spread 5.75% [8],[26],[27],[31] 5.75% [5],[15],[51]  
Principal $ 0 [8],[26],[27],[31] $ 465 [5],[15],[51]  
Cost (17) [8],[26],[27],[31] 447 [5],[15],[51]  
Fair value $ 0 [8],[26],[27],[31] $ 465 [5],[15],[51]  
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.59% [8],[26],[27] 10.17% [5],[15]  
Reference Rate and Spread 5.75% [8],[26],[27] 5.75% [5],[15]  
Principal $ 8,275 [8],[26],[27] $ 8,291 [5],[15]  
Cost 8,175 [8],[26],[27] 8,186 [5],[15]  
Fair value $ 8,187 [8],[26],[27] $ 8,291 [5],[15]  
Investment, Identifier [Axis]: INW Manufacturing, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 10.48% [26],[52] 10.48% [5],[15]  
Reference Rate and Spread 5.75% [26],[52] 5.75% [5],[15]  
Principal $ 6,891 [26],[52] $ 6,984 [5],[15]  
Cost 6,741 [26],[52] 6,825 [5],[15]  
Fair value $ 5,937 [26],[52] $ 5,972 [5],[15]  
Investment, Identifier [Axis]: Implus Footcare, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 13.99% [6],[26],[27] 13.98% [7],[15]  
Reference Rate and Spread 7.75% [6],[26],[27] 7.75% [7],[15]  
PIK Rate 1.50% [6],[26],[27] 1.50% [7],[15]  
Principal $ 16,966 [6],[26],[27] $ 16,921 [7],[15]  
Cost 16,960 [6],[26],[27] 16,914 [7],[15]  
Fair value $ 15,438 [6],[26],[27] $ 15,961 [7],[15]  
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 1,191,667 [6] 1,191,667 [7]  
Cost $ 1,192 [6] $ 1,192 [7]  
Fair value $ 0 [6] $ 0 [7]  
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Preferred Stock (non-voting) 1      
Schedule of Investments [Line Items]      
Total Rate 6.00% [6] 6.00% [7]  
PIK Rate 6.00% [6] 6.00% [7]  
Cost $ 2,470 [6] $ 2,470 [7]  
Fair value 0 [6] 0 [7]  
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Preferred Stock (non-voting) 2      
Schedule of Investments [Line Items]      
Cost 0 [6] 0 [7]  
Fair value $ 0 [6] $ 0 [7]  
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 6.00% [6],[35] 6.00% [7],[36]  
PIK Rate 6.00% [6],[35] 6.00% [7],[36]  
Principal $ 10,902 [6],[35] $ 10,902 [7],[36]  
Cost 10,443 [6],[35] 10,443 [7],[36]  
Fair value $ 3,556 [6],[35] $ 4,515 [7],[36]  
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 14.95% [6] 14.42% [7]  
Reference Rate and Spread 10.00% [6] 10.00% [7]  
PIK Rate 14.95% [6] 14.42% [7]  
Principal $ 1,418 [6] $ 481 [7]  
Cost 1,385 [6] 459 [7]  
Fair value $ 1,373 [6] $ 459 [7]  
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [6] 14.66%    
Reference Rate and Spread [6] 10.00%    
PIK Rate [6] 14.66%    
Principal [6] $ 1,476    
Cost [6] 1,456    
Fair value [6] $ 1,430    
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Warrants      
Schedule of Investments [Line Items]      
Units (in shares) 185,757 [6] 185,757 [7]  
Cost $ 0 [6] $ 0 [7]  
Fair value $ 0 [6] $ 0 [7]  
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 2,100 [6],[39] 2,100 [7],[40]  
Cost $ 2,100 [6],[39] $ 2,100 [7],[40]  
Fair value $ 1,400 [6],[39] $ 1,400 [7],[40]  
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Preferred Member Units 1      
Schedule of Investments [Line Items]      
Units (in shares) 336 [6],[29],[39] 336 [7],[30],[40]  
Total Rate 10.00% [6],[29],[39] 10.00% [7],[30],[40]  
PIK Rate 10.00% [6],[29],[39] 10.00% [7],[30],[40]  
Cost $ 306 [6],[29],[39] $ 301 [7],[30],[40]  
Fair value $ 343 [6],[29],[39] $ 338 [7],[30],[40]  
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Preferred Member Units 2      
Schedule of Investments [Line Items]      
Units (in shares) 187 [6],[29],[39] 187 [7],[30],[40]  
Total Rate 20.00% [6],[29],[39] 20.00% [7],[30],[40]  
PIK Rate 20.00% [6],[29],[39] 20.00% [7],[30],[40]  
Cost $ 221 [6],[29],[39] $ 215 [7],[30],[40]  
Fair value $ 223 [6],[29],[39] $ 217 [7],[30],[40]  
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 11.50% [6],[26] 11.50% [7],[15]  
Reference Rate and Spread 6.75% [6],[26] 6.75% [7],[15]  
Principal $ 543 [6],[26] $ 387 [7],[15]  
Cost 520 [6],[26] 359 [7],[15]  
Fair value $ 543 [6],[26] $ 387 [7],[15]  
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.50% [6],[26] 11.50% [7],[15]  
Reference Rate and Spread 6.75% [6],[26] 6.75% [7],[15]  
Principal $ 11,523 [6],[26] $ 10,871 [7],[15]  
Cost 11,388 [6],[26] 10,738 [7],[15]  
Fair value $ 11,523 [6],[26] $ 10,871 [7],[15]  
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC, Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 20,000    
Cost $ 1,000    
Fair value $ 1,000    
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 13.00%    
Principal $ 4,500    
Cost 4,411    
Fair value $ 4,411    
Investment, Identifier [Axis]: Infolinks Media Buyco, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Reference Rate and Spread 5.50% [6],[26],[31] 5.50% [7],[15]  
Principal $ 0 [6],[26],[31] $ 0 [7],[15]  
Cost (45) [6],[26],[31] (48) [7],[15]  
Fair value $ (45) [6],[26],[31] $ (48) [7],[15]  
Investment, Identifier [Axis]: Infolinks Media Buyco, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.23% [6],[26] 10.23% [7],[15]  
Reference Rate and Spread 5.50% [6],[26] 5.50% [7],[15]  
Principal $ 10,714 [6],[26] $ 10,742 [7],[15]  
Cost 10,560 [6],[26] 10,576 [7],[15]  
Fair value $ 10,714 [6],[26] $ 10,742 [7],[15]  
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 2,143 [6] 2,143 [7]  
Cost $ 0 [6] $ 0 [7]  
Fair value $ 0 [6] $ 0 [7]  
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [7],[53]   14.22%  
Reference Rate and Spread [7],[53]   10.00%  
Principal [7],[53]   $ 1,682  
Cost [7],[53]   1,682  
Fair value [7],[53]   $ 1,682  
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 14.76% [6] 12.07% [7],[15],[36]  
Reference Rate and Spread 10.00% [6] 7.00% [7],[15],[36]  
PIK Rate [7],[15],[36]   1.00%  
Principal $ 1,835 [6] $ 7,334 [7],[15],[36]  
Cost 1,835 [6] 7,254 [7],[15],[36]  
Fair value $ 1,781 [6] $ 1,085 [7],[15],[36]  
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [6],[26],[35] 11.63%    
Reference Rate and Spread [6],[26],[35] 7.00%    
PIK Rate [6],[26],[35] 11.63%    
Principal [6],[26],[35] $ 7,334    
Cost [6],[26],[35] 7,254    
Fair value [6],[26],[35] $ 1,085    
Investment, Identifier [Axis]: Intermedia Holdings, Inc., Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 10.84% [8],[26] 10.38% [5],[15]  
Reference Rate and Spread 6.00% [8],[26] 6.00% [5],[15]  
Principal $ 5,596 [8],[26] $ 5,621 [5],[15]  
Cost 5,589 [8],[26] 5,613 [5],[15]  
Fair value $ 4,309 [8],[26] $ 4,342 [5],[15]  
Investment, Identifier [Axis]: Invincible Boat Company, LLC., Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 11.32% [6],[26],[54] 10.14% [7],[15]  
Reference Rate and Spread 6.50% [6],[26],[54] 6.50% [7],[15]  
Principal $ 726 [6],[26],[54] $ 622 [7],[15]  
Cost 722 [6],[26],[54] 618 [7],[15]  
Fair value $ 726 [6],[26],[54] $ 622 [7],[15]  
Investment, Identifier [Axis]: Invincible Boat Company, LLC., Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.23% [6],[26] 10.17% [7],[15]  
Reference Rate and Spread 6.50% [6],[26] 6.50% [7],[15]  
Principal $ 16,889 [6],[26] $ 17,148 [7],[15]  
Cost 16,800 [6],[26] 17,050 [7],[15]  
Fair value $ 16,889 [6],[26] $ 17,148 [7],[15]  
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 50,753 44,944  
Cost $ 689 $ 449  
Fair value $ 689 $ 449  
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 13.50% 12.50%  
Principal $ 1,133 $ 1,133  
Cost 1,110 1,108  
Fair value $ 1,110 $ 1,108  
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 13.50% 12.50%  
Principal $ 788 $ 788  
Cost 772 771  
Fair value $ 772 $ 771  
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 13.50% 12.50%  
Principal $ 2,236 $ 2,236  
Cost 2,236 2,236  
Fair value $ 2,236 $ 2,236  
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 4      
Schedule of Investments [Line Items]      
Total Rate 13.50% 12.50%  
Principal $ 4,928 $ 4,928  
Cost 4,820 4,813  
Fair value $ 4,820 $ 4,813  
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 5      
Schedule of Investments [Line Items]      
Total Rate 13.50%    
Principal $ 2,800    
Cost 2,655    
Fair value $ 2,655    
Investment, Identifier [Axis]: Isagenix International, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 9.93% [8],[26],[35] 9.93% [5],[15],[36]  
Reference Rate and Spread 7.75% [8],[26],[35] 7.75% [5],[15],[36]  
Principal $ 5,053 [8],[26],[35] $ 5,053 [5],[15],[36]  
Cost 5,031 [8],[26],[35] 5,034 [5],[15],[36]  
Fair value $ 1,718 [8],[26],[35] $ 1,537 [5],[15],[36]  
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) 140,351 [6] 140,351 [7]  
Cost $ 140 [6] $ 140 [7]  
Fair value $ 240 [6] $ 240 [7]  
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Reference Rate and Spread 6.00% [6],[26],[31] 6.00% [7],[15]  
Principal $ 0 [6],[26],[31] $ 0 [7],[15]  
Cost (10) [6],[26],[31] (11) [7],[15]  
Fair value $ (10) [6],[26],[31] $ (11) [7],[15]  
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.73% [6],[26] 10.73% [7],[15]  
Reference Rate and Spread 6.00% [6],[26] 6.00% [7],[15]  
Principal $ 3,059 [6],[26] $ 3,059 [7],[15]  
Cost 3,013 [6],[26] 3,010 [7],[15]  
Fair value $ 3,059 [6],[26] $ 3,059 [7],[15]  
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 5,653,333 [6],[29] 5,653,333 [7],[30]  
Total Rate [7],[30]   12.00%  
PIK Rate [7],[30]   12.00%  
Cost $ 216 [6],[29] $ 242 [7],[30]  
Fair value $ 990 [6],[29] $ 1,247 [7],[30]  
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 12.23% [6],[26] 12.23% [7],[15]  
Reference Rate and Spread 7.50% [6],[26] 7.50% [7],[15]  
Principal $ 975 [6],[26] $ 1,000 [7],[15]  
Cost 945 [6],[26] 965 [7],[15]  
Fair value $ 975 [6],[26] $ 1,000 [7],[15]  
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.23% [6],[26] 12.23% [7],[15]  
Reference Rate and Spread 7.50% [6],[26] 7.50% [7],[15]  
Principal $ 4,074 [6],[26] $ 4,126 [7],[15]  
Cost 4,074 [6],[26] 4,126 [7],[15]  
Fair value $ 4,074 [6],[26] $ 4,126 [7],[15]  
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 392,514 [8] 392,514 [5]  
Cost $ 3,678 [8] $ 3,678 [5]  
Fair value $ 0 [8] $ 0 [5]  
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 23.04% [8],[27] 18.00% [5]  
Reference Rate and Spread [8],[27] 18.00%    
PIK Rate [8],[27] 23.04%    
Principal $ 2,048 [8],[27] $ 1,935 [5]  
Cost 2,048 [8],[27] 1,935 [5]  
Fair value $ 2,048 [8],[27] $ 1,935 [5]  
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 21.08% [8],[27],[35] 19.75% [5],[36]  
Reference Rate and Spread [8],[27],[35] 16.00%    
PIK Rate 21.08% [8],[27],[35] 19.75% [5],[36]  
Principal $ 3,351 [8],[27],[35] $ 3,351 [5],[36]  
Cost 3,325 [8],[27],[35] 3,325 [5],[36]  
Fair value $ 233 [8],[27],[35] $ 418 [5],[36]  
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 350 [29] 350 [30]  
Cost $ 350 [29] $ 350 [30]  
Fair value $ 730 [29] $ 620 [30]  
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Reference Rate and Spread 11.50% [26],[31] 11.50% [15]  
Principal $ 0 [26],[31] $ 0 [15]  
Cost (3) [26],[31] (3) [15]  
Fair value $ 0 [26],[31] $ 0 [15]  
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 16.25% [26] 15.63% [15]  
Reference Rate and Spread 11.50% [26] 11.50% [15]  
Principal $ 1,111 [26] $ 1,111 [15]  
Cost 1,095 [26] 1,093 [15]  
Fair value $ 1,111 [26] $ 1,111 [15]  
Investment, Identifier [Axis]: JorVet Holdings, LLC, Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 11,934 [29] 11,934 [30]  
Cost $ 1,193 [29] $ 1,193 [30]  
Fair value $ 1,193 [29] $ 1,193 [30]  
Investment, Identifier [Axis]: JorVet Holdings, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 12.00% 12.00%  
Principal $ 2,850 $ 2,850  
Cost 2,805 2,802  
Fair value $ 2,805 $ 2,802  
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 12.00% [6],[26] 12.00% [7],[15]  
Reference Rate and Spread 7.25% [6],[26] 7.25% [7],[15]  
Principal $ 1,316 [6],[26] $ 1,330 [7],[15]  
Cost 1,242 [6],[26] 1,250 [7],[15]  
Fair value $ 1,234 [6],[26] $ 1,244 [7],[15]  
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.00% [6],[26] 12.00% [7],[15]  
Reference Rate and Spread 7.25% [6],[26] 7.25% [7],[15]  
Principal $ 9,358 [6],[26] $ 9,381 [7],[15]  
Cost 9,224 [6],[26] 9,238 [7],[15]  
Fair value $ 8,763 [6],[26] $ 8,778 [7],[15]  
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 200 [29],[39] 200 [30],[40]  
Cost $ 248 [29],[39] $ 248 [30],[40]  
Fair value $ 695 [29],[39] $ 713 [30],[40]  
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 145 145  
Cost $ 3,060 $ 3,060  
Fair value $ 1,800 $ 1,800  
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 12.00% 11.50% 11.50%
Principal $ 5,150 $ 5,104  
Cost 5,127 5,075  
Fair value $ 5,146 $ 5,093  
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 9.00% 9.00% 9.00%
Principal $ 967 $ 970  
Cost 958 961  
Fair value $ 958 $ 961  
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 12.11% [6],[26],[27] 11.21% [7],[15]  
Reference Rate and Spread 7.25% [6],[26],[27] 7.25% [7],[15]  
Principal $ 8,004 [6],[26],[27] $ 8,003 [7],[15]  
Cost 7,993 [6],[26],[27] 7,987 [7],[15]  
Fair value $ 7,908 [6],[26],[27] $ 7,945 [7],[15]  
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.13% [6],[26],[27],[55] 11.67% [7],[15]  
Reference Rate and Spread 7.25% [6],[26],[27],[55] 7.25% [7],[15]  
Principal $ 6,164 [6],[26],[27],[55] $ 6,164 [7],[15]  
Cost 6,154 [6],[26],[27],[55] 6,148 [7],[15]  
Fair value $ 6,090 [6],[26],[27],[55] $ 6,119 [7],[15]  
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 12.09% [6],[26],[27] 11.67% [7],[15]  
Reference Rate and Spread 7.25% [6],[26],[27] 7.25% [7],[15]  
Principal $ 8,865 [6],[26],[27] $ 8,884 [7],[15]  
Cost 8,815 [6],[26],[27] 8,809 [7],[15]  
Fair value $ 8,759 [6],[26],[27] $ 8,820 [7],[15]  
Investment, Identifier [Axis]: LLFlex, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 13.75% [6],[26] 12.74% [7],[15]  
Reference Rate and Spread 9.00% [6],[26] 9.00% [7],[15]  
Principal $ 4,925 [6],[26] $ 4,938 [7],[15]  
Cost 4,849 [6],[26] 4,856 [7],[15]  
Fair value $ 4,534 [6],[26] $ 4,833 [7],[15]  
Investment, Identifier [Axis]: Lightbox Holdings, L.P., Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 10.16% [8] 9.73% [5]  
Reference Rate and Spread 5.00% [8] 5.00% [5]  
Principal $ 5,810 [8] $ 5,826 [5]  
Cost 5,772 [8] 5,783 [5]  
Fair value $ 5,607 [8] $ 5,622 [5]  
Investment, Identifier [Axis]: Logix Acquisition Company, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 10.59% [6],[26] 10.13% [7],[15]  
Reference Rate and Spread 5.75% [6],[26] 5.75% [7],[15]  
Principal $ 9,506 [6],[26] $ 9,506 [7],[15]  
Cost 9,480 [6],[26] 9,476 [7],[15]  
Fair value $ 7,783 [6],[26] $ 7,843 [7],[15]  
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 10.72% [8],[26],[27],[28] 10.42% [5],[15]  
Reference Rate and Spread 6.00% [8],[26],[27],[28] 6.00% [5],[15]  
Principal $ 9,259 [8],[26],[27],[28] $ 8,359 [5],[15]  
Cost 9,122 [8],[26],[27],[28] 8,223 [5],[15]  
Fair value $ 9,259 [8],[26],[27],[28] $ 8,359 [5],[15]  
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.72% [8],[26],[27] 10.42% [5],[15]  
Reference Rate and Spread 6.00% [8],[26],[27] 6.00% [5],[15]  
Principal $ 7,856 [8],[26],[27] $ 7,876 [5],[15]  
Cost 7,768 [8],[26],[27] 7,783 [5],[15]  
Fair value $ 7,856 [8],[26],[27] $ 7,876 [5],[15]  
Investment, Identifier [Axis]: MH Corbin Holding LLC, Preferred Member Units 1      
Schedule of Investments [Line Items]      
Units (in shares) 16,500 16,500  
Cost $ 1,100 $ 1,100  
Fair value $ 0 $ 0  
Investment, Identifier [Axis]: MH Corbin Holding LLC, Preferred Member Units 2      
Schedule of Investments [Line Items]      
Units (in shares) 1,000 1,000  
Cost $ 1,500 $ 1,500  
Fair value $ 0 $ 0  
Investment, Identifier [Axis]: MH Corbin Holding LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 13.00% [37] 13.00% 13.00%
Principal $ 1,510 [37] $ 1,539  
Cost 1,510 [37] 1,539  
Fair value $ 1,346 [37] $ 1,137  
Investment, Identifier [Axis]: Mako Steel, LP, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 12.30% [6],[26] 11.79% [7],[15],[56]  
Reference Rate and Spread 7.25% [6],[26] 7.25% [7],[15],[56]  
Principal $ 2,028 [6],[26] $ 3,448 [7],[15],[56]  
Cost 1,980 [6],[26] 3,395 [7],[15],[56]  
Fair value $ 2,009 [6],[26] $ 3,426 [7],[15],[56]  
Investment, Identifier [Axis]: Mako Steel, LP, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.30% [6],[26] 11.09% [7],[15]  
Reference Rate and Spread 7.25% [6],[26] 7.25% [7],[15]  
Principal $ 16,983 [6],[26] $ 17,070 [7],[15]  
Cost 16,776 [6],[26] 16,845 [7],[15]  
Fair value $ 16,823 [6],[26] $ 16,959 [7],[15]  
Investment, Identifier [Axis]: Market Force Information, LLC, Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 185,980 185,980  
Cost $ 4,160 $ 4,160  
Fair value $ 0 $ 0  
Investment, Identifier [Axis]: Market Force Information, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 12.00% [35] 12.00% [36] 12.00%
Reference Rate and Spread     11.00%
PIK Rate 12.00% [35] 12.00% [36]  
Principal $ 6,520 [35] $ 6,520 [36]  
Cost 6,463 [35] 6,463 [36]  
Fair value $ 0 [35] $ 403 [36]  
Investment, Identifier [Axis]: MetalForming AcquireCo, LLC, Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 112,865 [29] 112,865  
Cost $ 113 [29] $ 113  
Fair value $ 113 [29] $ 113  
Investment, Identifier [Axis]: MetalForming AcquireCo, LLC, Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 434,331 [29] 434,331 [30]  
Total Rate 8.00% [29] 8.00% [30]  
Reference Rate and Spread [30]   8.00%  
PIK Rate [29] 8.00%    
Cost $ 450 [29] $ 441 [30]  
Fair value 450 [29] 441 [30]  
Investment, Identifier [Axis]: MetalForming AcquireCo, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Principal 0 0  
Cost (1) (1)  
Fair value $ (1) $ (1)  
Investment, Identifier [Axis]: MetalForming AcquireCo, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.75% 12.75%  
Principal $ 1,748 $ 1,748  
Cost 1,700 1,697  
Fair value $ 1,700 $ 1,697  
Investment, Identifier [Axis]: Microbe Formulas, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Reference Rate and Spread 6.25% [6],[26],[27],[31] 6.25% [7],[15]  
Principal $ 0 [6],[26],[27],[31] $ 0 [7],[15]  
Cost (7) [6],[26],[27],[31] (7) [7],[15]  
Fair value $ (7) [6],[26],[27],[31] $ (7) [7],[15]  
Investment, Identifier [Axis]: Microbe Formulas, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.09% [6],[26],[27] 9.86% [7],[15]  
Reference Rate and Spread 6.25% [6],[26],[27] 6.25% [7],[15]  
Principal $ 3,099 [6],[26],[27] $ 3,142 [7],[15]  
Cost 3,046 [6],[26],[27] 3,085 [7],[15]  
Fair value $ 2,995 [6],[26],[27] $ 3,034 [7],[15]  
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 11.08% [6],[26] 10.66% [7],[15]  
Reference Rate and Spread 6.25% [6],[26] 6.25% [7],[15]  
Principal $ 18,740 [6],[26] $ 18,769 [7],[15]  
Cost 18,558 [6],[26] 18,559 [7],[15]  
Fair value $ 18,337 [6],[26] $ 18,338 [7],[15]  
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 12,798,820 [6],[10],[13] 12,798,820 [7],[12],[14]  
Cost $ 256 [6],[10],[13] $ 256 [7],[12],[14]  
Fair value $ 256 [6],[10],[13] $ 256 [7],[12],[14]  
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [6],[10],[13],[26] 12.11%    
Reference Rate and Spread 7.00% [6],[10],[13],[26] 7.00% [7],[12],[14],[15]  
Principal $ 556 [6],[10],[13],[26] $ 0 [7],[12],[14],[15]  
Cost 538 [6],[10],[13],[26] (19) [7],[12],[14],[15]  
Fair value $ 538 [6],[10],[13],[26] $ (19) [7],[12],[14],[15]  
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.73% [6],[10],[13],[26] 11.73% [7],[12],[14],[15]  
Reference Rate and Spread 7.00% [6],[10],[13],[26] 7.00% [7],[12],[14],[15]  
Principal $ 2,882 [6],[10],[13],[26] $ 2,882 [7],[12],[14],[15]  
Cost 2,832 [6],[10],[13],[26] 2,828 [7],[12],[14],[15]  
Fair value $ 3,106 [6],[10],[13],[26] $ 3,139 [7],[12],[14],[15]  
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 11.73% [6],[10],[13],[26] 11.73% [7],[12],[14],[15]  
Reference Rate and Spread 7.00% [6],[10],[13],[26] 7.00% [7],[12],[14],[15]  
Principal $ 4,906 [6],[10],[13],[26] $ 4,906 [7],[12],[14],[15]  
Cost 4,825 [6],[10],[13],[26] 4,820 [7],[12],[14],[15]  
Fair value $ 4,906 [6],[10],[13],[26] $ 4,906 [7],[12],[14],[15]  
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 1,468 [29] 1,468 [30]  
Cost $ 680 [29] $ 680 [30]  
Fair value 6,253 [29] 5,708 [30]  
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate     10.00%
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Principal 0 [31] 0  
Cost 0 [31] 0  
Fair value $ 0 [31] $ 0  
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.00% 10.00%  
Principal $ 1,436 $ 1,436  
Cost 1,436 1,436  
Fair value $ 1,436 $ 1,436  
Investment, Identifier [Axis]: NTM Acquisition Corp., Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 13.30% [8],[26],[27] 9.50% [5],[15]  
Reference Rate and Spread 7.25% [8],[26],[27] 6.25% [5],[15]  
PIK Rate 1.00% [8],[26],[27] 1.00% [5],[15]  
Principal $ 3,980 [8],[26],[27] $ 4,036 [5],[15]  
Cost 3,978 [8],[26],[27] 4,034 [5],[15]  
Fair value $ 3,821 [8],[26],[27] $ 3,915 [5],[15]  
Investment, Identifier [Axis]: NWN Corporation, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 12.85% [6],[26],[27],[57] 10.85% [7],[15],[58]  
Reference Rate and Spread 8.00% [6],[26],[27],[57] 8.00% [7],[15],[58]  
Principal $ 1,977 [6],[26],[27],[57] $ 1,570 [7],[15],[58]  
Cost 1,930 [6],[26],[27],[57] 1,519 [7],[15],[58]  
Fair value $ 1,857 [6],[26],[27],[57] $ 1,482 [7],[15],[58]  
Investment, Identifier [Axis]: NWN Corporation, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.87% [6],[26],[27] 12.56% [7],[15]  
Reference Rate and Spread 8.00% [6],[26],[27] 8.00% [7],[15]  
Principal $ 20,677 [6],[26],[27] $ 20,786 [7],[15]  
Cost 20,393 [6],[26],[27] 20,476 [7],[15]  
Fair value $ 19,422 [6],[26],[27] $ 19,620 [7],[15]  
Investment, Identifier [Axis]: NWN Corporation, Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 20.00% [6] 20.00% [7]  
PIK Rate 20.00% [6] 20.00% [7]  
Principal $ 3,420 [6] $ 3,226 [7]  
Cost 3,270 [6] 3,065 [7]  
Fair value $ 3,237 [6] $ 3,065 [7]  
Investment, Identifier [Axis]: NexRev LLC, Preferred Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 25,786,046 [29] 25,786,046 [30]  
Cost $ 2,053 [29] $ 2,053 [30]  
Fair value 750 [29] 280 [30]  
Investment, Identifier [Axis]: NexRev LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate     11.00%
Investment, Identifier [Axis]: NexRev LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Principal 0 0  
Cost 0 0  
Fair value $ 0 $ 0  
Investment, Identifier [Axis]: NexRev LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.00% 11.00%  
Principal $ 2,709 $ 2,866  
Cost 2,677 2,828  
Fair value $ 2,217 $ 2,119  
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Reference Rate and Spread 6.25% [6],[26],[31] 6.25% [7],[15]  
Principal $ 0 [6],[26],[31] $ 0 [7],[15]  
Cost (1) [6],[26],[31] (1) [7],[15]  
Fair value $ 0 [6],[26],[31] $ 0 [7],[15]  
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Reference Rate and Spread 6.25% [6],[26],[31] 6.25% [7],[15]  
Principal $ 0 [6],[26],[31] $ 0 [7],[15]  
Cost (20) [6],[26],[31] (23) [7],[15]  
Fair value $ (20) [6],[26],[31] $ (23) [7],[15]  
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 11.00% [6],[26] 9.99% [7],[15]  
Reference Rate and Spread 6.25% [6],[26] 6.25% [7],[15]  
Principal $ 11,634 [6],[26] $ 11,634 [7],[15]  
Cost 11,538 [6],[26] 11,524 [7],[15]  
Fair value $ 11,634 [6],[26] $ 11,634 [7],[15]  
Investment, Identifier [Axis]: NuStep, LLC, Preferred Member Units 1      
Schedule of Investments [Line Items]      
Units (in shares) 102 102  
Cost $ 2,550 $ 2,550  
Fair value $ 1,910 $ 2,010  
Investment, Identifier [Axis]: NuStep, LLC, Preferred Member Units 2      
Schedule of Investments [Line Items]      
Units (in shares) 515 515  
Cost $ 515 $ 515  
Fair value $ 1,290 $ 1,290  
Investment, Identifier [Axis]: NuStep, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 11.25% [26] 10.63% [15] 7.50%
Reference Rate and Spread 6.50% [26] 6.50% [15] 6.50%
Principal $ 1,100 [26] $ 1,100 [15]  
Cost 1,098 [26] 1,097 [15]  
Fair value $ 1,100 [26] $ 1,100 [15]  
Investment, Identifier [Axis]: NuStep, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.00% 12.00% 12.00%
Principal $ 4,610 $ 4,610  
Cost 4,604 4,603  
Fair value $ 4,604 $ 4,603  
Investment, Identifier [Axis]: OVG Business Services, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 10.89% [6],[26] 10.64% [7],[15]  
Reference Rate and Spread 6.25% [6],[26] 6.25% [7],[15]  
Principal $ 17,325 [6],[26] $ 17,413 [7],[15]  
Cost 17,184 [6],[26] 17,265 [7],[15]  
Fair value $ 16,892 [6],[26] $ 16,368 [7],[15]  
Investment, Identifier [Axis]: Oneliance, LLC, Preferred Stock      
Schedule of Investments [Line Items]      
Units (in shares) 264 264  
Cost $ 264 $ 264  
Fair value $ 264 $ 264  
Investment, Identifier [Axis]: Oneliance, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 15.75% [26] 15.13% [15] 12.00%
Reference Rate and Spread 11.00% [26] 11.00% [15] 11.00%
Principal $ 1,380 [26] $ 1,400 [15]  
Cost 1,361 [26] 1,380 [15]  
Fair value $ 1,361 [26] $ 1,380 [15]  
Investment, Identifier [Axis]: Orttech Holdings, LLC, Preferred Stock      
Schedule of Investments [Line Items]      
Units (in shares) 2,500 [29],[39] 2,500 [30],[40]  
Cost $ 2,500 [29],[39] $ 2,500 [30],[40]  
Fair value $ 3,370 [29],[39] $ 2,940 [30],[40]  
Investment, Identifier [Axis]: Orttech Holdings, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate     12.00%
Reference Rate and Spread     11.00%
Investment, Identifier [Axis]: Orttech Holdings, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Reference Rate and Spread 11.00% [26],[31] 11.00% [15]  
Principal $ 0 [26],[31] $ 0 [15]  
Cost (2) [26],[31] (2) [15]  
Fair value $ (2) [26],[31] $ (2) [15]  
Investment, Identifier [Axis]: Orttech Holdings, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 15.75% [26] 15.13% [15]  
Reference Rate and Spread 11.00% [26] 11.00% [15]  
Principal $ 5,700 [26] $ 5,900 [15]  
Cost 5,623 [26] 5,814 [15]  
Fair value $ 5,623 [26] $ 5,814 [15]  
Investment, Identifier [Axis]: PTL US Bidco, Inc, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [6],[10],[26] 14.25%    
Reference Rate and Spread 6.25% [6],[10],[26] 7.25% [12],[15]  
Principal $ 94 [6],[10],[26] $ 0 [12],[15]  
Cost 83 [6],[10],[26] (12) [12],[15]  
Fair value $ 91 [6],[10],[26] $ (12) [12],[15]  
Investment, Identifier [Axis]: PTL US Bidco, Inc, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.32% [6],[10],[26],[27] 11.80% [12],[15]  
Reference Rate and Spread 7.25% [6],[10],[26],[27] 7.25% [12],[15]  
Principal $ 1,828 [6],[10],[26],[27] $ 1,852 [12],[15]  
Cost 1,796 [6],[10],[26],[27] 1,817 [12],[15]  
Fair value $ 1,778 [6],[10],[26],[27] $ 1,828 [12],[15]  
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 10.70% [6],[26],[27] 10.26% [7],[15]  
Reference Rate and Spread 5.75% [6],[26],[27] 5.75% [7],[15]  
Principal $ 143 [6],[26],[27] $ 71 [7],[15]  
Cost 130 [6],[26],[27] 57 [7],[15]  
Fair value $ 139 [6],[26],[27] $ 70 [7],[15]  
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.78% [6],[26],[27] 9.96% [7],[15],[59]  
Reference Rate and Spread 5.75% [6],[26],[27] 5.75% [7],[15],[59]  
Principal $ 426 [6],[26],[27] $ 356 [7],[15],[59]  
Cost 415 [6],[26],[27] 343 [7],[15],[59]  
Fair value $ 416 [6],[26],[27] $ 349 [7],[15],[59]  
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 10.48% [6],[26],[27] 9.81% [7],[15]  
Reference Rate and Spread 5.75% [6],[26],[27] 5.75% [7],[15]  
Principal $ 2,475 [6],[26],[27] $ 2,363 [7],[15]  
Cost 2,421 [6],[26],[27] 2,304 [7],[15]  
Fair value $ 2,415 [6],[26],[27] $ 2,317 [7],[15]  
Investment, Identifier [Axis]: RA Outdoors LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [6],[26],[27] 11.47%    
Reference Rate and Spread [6],[26],[27] 6.75%    
Principal [6],[26],[27] $ 370    
Cost [6],[26],[27] 361    
Fair value [6],[26],[27] $ 334    
Investment, Identifier [Axis]: RA Outdoors LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [6],[26],[27] 11.63%    
Reference Rate and Spread [6],[26],[27] 6.75%    
Principal [6],[26],[27] $ 12,917    
Cost [6],[26],[27] 12,799    
Fair value [6],[26],[27] $ 11,644    
Investment, Identifier [Axis]: RA Outdoors LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Reference Rate and Spread [7],[15]   6.75%  
Principal [7],[15]   $ 0  
Cost [7],[15]   (11)  
Fair value [7],[15]   $ (11)  
Investment, Identifier [Axis]: RA Outdoors LLC, Secured Debt 4      
Schedule of Investments [Line Items]      
Total Rate [7],[15]   10.56%  
Reference Rate and Spread [7],[15]   6.75%  
Principal [7],[15]   $ 12,917  
Cost [7],[15]   12,789  
Fair value [7],[15]   $ 11,685  
Investment, Identifier [Axis]: RM Bidder, LLC, Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 1,854 [6] 1,854 [7]  
Cost $ 31 [6] $ 31 [7]  
Fair value $ 14 [6] $ 13 [7]  
Investment, Identifier [Axis]: RM Bidder, LLC, Warrants      
Schedule of Investments [Line Items]      
Units (in shares) 218,601 [6],[60] 218,601 [7],[61]  
Cost $ 284 [6],[60] $ 284 [7],[61]  
Fair value $ 0 [6],[60] $ 0 [7],[61]  
Investment, Identifier [Axis]: Research Now Group, Inc. and Survey Sampling International, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate [8],[26] 10.31%    
Reference Rate and Spread [8],[26] 5.50%    
Principal [8],[26] $ 9,768    
Cost [8],[26] 9,768    
Fair value [8],[26] $ 7,492    
Investment, Identifier [Axis]: Research Now Group, Inc. and Survey Sampling International, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [5],[15]   8.84%  
Reference Rate and Spread [5],[15]   5.50%  
Principal [5],[15]   $ 9,820  
Cost [5],[15]   9,820  
Fair value [5],[15]   $ 7,434  
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 1,230 1,230  
Cost $ 1,230 $ 1,230  
Fair value 1,100 1,650  
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Secured Debt      
Schedule of Investments [Line Items]      
Total Rate     12.00%
Reference Rate and Spread     11.00%
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Principal 0 [31] 0 [15]  
Cost (7) [31] (8) [15]  
Fair value $ (7) [31] $ (8) [15]  
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.50% 12.50% [15]  
Principal $ 3,940 $ 3,965 [15]  
Cost 3,882 3,902 [15]  
Fair value $ 3,882 $ 3,902 [15]  
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [7],[15]   10.97%  
Reference Rate and Spread 6.50% [6],[26],[27],[31] 6.50% [7],[15]  
Principal $ 0 [6],[26],[27],[31] $ 389 [7],[15]  
Cost (13) [6],[26],[27],[31] 375 [7],[15]  
Fair value $ 0 [6],[26],[27],[31] $ 389 [7],[15]  
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.35% [6],[26],[27] 10.32% [7],[15]  
Reference Rate and Spread 6.50% [6],[26],[27] 6.50% [7],[15]  
Principal $ 2,917 [6],[26],[27] $ 2,917 [7],[15]  
Cost 2,841 [6],[26],[27] 2,835 [7],[15]  
Fair value $ 2,875 [6],[26],[27] $ 2,917 [7],[15]  
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 11.35% [6],[26],[27] 10.32% [7],[15]  
Reference Rate and Spread 6.50% [6],[26],[27] 6.50% [7],[15]  
Principal $ 3,967 [6],[26],[27] $ 3,967 [7],[15]  
Cost 3,910 [6],[26],[27] 3,906 [7],[15]  
Fair value $ 3,910 [6],[26],[27] $ 3,967 [7],[15]  
Investment, Identifier [Axis]: Rug Doctor, LLC., Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 13.02% [6],[26],[27] 13.02% [7],[15]  
Reference Rate and Spread 6.25% [6],[26],[27] 6.25% [7],[15]  
PIK Rate 2.00% [6],[26],[27] 2.00% [7],[15]  
Principal $ 6,250 [6],[26],[27] $ 6,250 [7],[15]  
Cost 6,217 [6],[26],[27] 6,212 [7],[15]  
Fair value $ 5,751 [6],[26],[27] $ 5,597 [7],[15]  
Investment, Identifier [Axis]: Rug Doctor, LLC., Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 13.02% [6],[26],[27] 13.02% [7],[15]  
Reference Rate and Spread 6.25% [6],[26],[27] 6.25% [7],[15]  
PIK Rate 2.00% [6],[26],[27] 2.00% [7],[15]  
Principal $ 9,250 [6],[26],[27] $ 9,250 [7],[15]  
Cost 9,198 [6],[26],[27] 9,190 [7],[15]  
Fair value $ 8,511 [6],[26],[27] $ 8,293 [7],[15]  
Investment, Identifier [Axis]: SI East, LLC (Stavig), Secured Debt      
Schedule of Investments [Line Items]      
Total Rate     10.25%
Investment, Identifier [Axis]: SI East, LLC, Preferred Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 52 [29] 52 [30]  
Cost $ 406 [29] $ 406 [30]  
Fair value 4,550 [29] 4,550 [30]  
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Principal 0 0  
Cost 0 0  
Fair value $ 0 $ 0  
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 9.50% 9.50%  
Principal $ 28,179 $ 29,929  
Cost 28,100 29,795  
Fair value $ 28,179 $ 29,929  
Investment, Identifier [Axis]: SIB Holdings, LLC, Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) 119,048 [6] 119,048 [7]  
Cost $ 250 [6] $ 250 [7]  
Fair value $ 121 [6] $ 183 [7]  
Investment, Identifier [Axis]: SIB Holdings, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 11.21% [6],[26] 11.01% [7],[15]  
Reference Rate and Spread 6.25% [6],[26] 6.25% [7],[15]  
Principal $ 737 [6],[26] $ 522 [7],[15]  
Cost 727 [6],[26] 511 [7],[15]  
Fair value $ 667 [6],[26] $ 491 [7],[15]  
Investment, Identifier [Axis]: SIB Holdings, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.21% [6],[26] 11.01% [7],[15]  
Reference Rate and Spread 6.25% [6],[26] 6.25% [7],[15]  
Principal $ 1,930 [6],[26] $ 1,954 [7],[15]  
Cost 1,887 [6],[26] 1,908 [7],[15]  
Fair value $ 1,744 [6],[26] $ 1,803 [7],[15]  
Investment, Identifier [Axis]: SIB Holdings, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 11.21% [6],[26] 11.01% [7],[15]  
Reference Rate and Spread 6.25% [6],[26] 6.25% [7],[15]  
Principal $ 9,652 [6],[26] $ 9,726 [7],[15]  
Cost 9,512 [6],[26] 9,576 [7],[15]  
Fair value $ 8,725 [6],[26] $ 8,974 [7],[15]  
Investment, Identifier [Axis]: SPAU Holdings, LLC, Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 200,000 [6] 200,000 [7]  
Cost $ 200 [6] $ 200 [7]  
Fair value $ 200 [6] $ 200 [7]  
Investment, Identifier [Axis]: SPAU Holdings, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Reference Rate and Spread 7.50% [6],[26],[27],[31] 7.50% [7],[15]  
Principal $ 0 [6],[26],[27],[31] $ 0 [7],[15]  
Cost (17) [6],[26],[27],[31] (18) [7],[15]  
Fair value $ (17) [6],[26],[27],[31] $ (18) [7],[15]  
Investment, Identifier [Axis]: SPAU Holdings, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.23% [6],[26],[27] 11.06% [7],[15]  
Reference Rate and Spread 7.50% [6],[26],[27] 7.50% [7],[15]  
Principal $ 4,963 [6],[26],[27] $ 4,975 [7],[15]  
Cost 4,880 [6],[26],[27] 4,887 [7],[15]  
Fair value $ 4,962 [6],[26],[27] $ 4,975 [7],[15]  
Investment, Identifier [Axis]: Savers, Inc., Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 10.34% [8],[26],[27] 10.34% [5],[15]  
Reference Rate and Spread 5.50% [8],[26],[27] 5.50% [5],[15]  
Principal $ 2,114 [8],[26],[27] $ 4,281 [5],[15]  
Cost 2,105 [8],[26],[27] 4,270 [5],[15]  
Fair value $ 2,029 [8],[26],[27] $ 4,149 [5],[15]  
Investment, Identifier [Axis]: Slick Innovations, LLC, Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 17,500 [29] 17,500 [30]  
Cost $ 114 [29] $ 114 [30]  
Fair value $ 470 [29] $ 400 [30]  
Investment, Identifier [Axis]: Slick Innovations, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 14.00% 14.00%  
Principal $ 3,400 $ 3,460  
Cost 3,283 3,334  
Fair value $ 3,400 $ 3,460  
Investment, Identifier [Axis]: Sonic Systems International, LLC, Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 11,647 [6] 11,647 [7]  
Cost $ 1,584 [6] $ 1,584 [7]  
Fair value $ 1,430 [6] $ 1,490 [7]  
Investment, Identifier [Axis]: Sonic Systems International, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 12.26% [6],[26] 11.24% [7],[15] 8.50%
Reference Rate and Spread 7.50% [6],[26] 7.50% [7],[15] 7.50%
Principal $ 18,425 [6],[26] $ 18,425 [7],[15]  
Cost 18,162 [6],[26] 18,143 [7],[15]  
Fair value $ 18,425 [6],[26] $ 18,425 [7],[15]  
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) 60,606 [6] 60,606 [7]  
Cost $ 61 [6] $ 61 [7]  
Fair value $ 92 [6] $ 92 [7]  
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Reference Rate and Spread 5.25% [6],[26],[31] 5.75% [7],[15]  
Principal $ 0 [6],[26],[31] $ 0 [7],[15]  
Cost (6) [6],[26],[31] (6) [7],[15]  
Fair value $ (6) [6],[26],[31] $ (6) [7],[15]  
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.03% [6],[26] 9.69% [7],[15]  
Reference Rate and Spread 5.25% [6],[26] 5.75% [7],[15]  
Principal $ 3,514 [6],[26] $ 3,523 [7],[15]  
Cost 3,461 [6],[26] 3,467 [7],[15]  
Fair value $ 3,514 [6],[26] $ 3,523 [7],[15]  
Investment, Identifier [Axis]: Student Resource Center, LLC, Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 6,564,055 [6] 6,564,055 [7]  
Cost $ 0 [6] $ 0 [7]  
Fair value $ 0 [6] $ 0 [7]  
Investment, Identifier [Axis]: Student Resource Center, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 13.69% [6] 13.27% [7]  
Reference Rate and Spread 8.50% [6] 8.50% [7]  
Principal $ 5,556 [6] $ 5,556 [7]  
Cost 5,063 [6] 5,063 [7]  
Fair value $ 5,063 [6] $ 5,063 [7]  
Investment, Identifier [Axis]: Tedder Industries, LLC, Preferred Member Units      
Schedule of Investments [Line Items]      
Units (in shares)   136  
Cost   $ 2,311  
Fair value   $ 1,920  
Investment, Identifier [Axis]: Tedder Industries, LLC, Preferred Member Units 1      
Schedule of Investments [Line Items]      
Units (in shares) 136    
Cost $ 2,311    
Fair value $ 1,718    
Investment, Identifier [Axis]: Tedder Industries, LLC, Preferred Member Units 2      
Schedule of Investments [Line Items]      
Units (in shares) 555    
Cost $ 55    
Fair value $ 83    
Investment, Identifier [Axis]: Tedder Industries, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate     12.00%
Investment, Identifier [Axis]: Tedder Industries, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 12.00% 12.00%  
Principal $ 460 $ 460  
Cost 460 460  
Fair value $ 460 $ 460  
Investment, Identifier [Axis]: Tedder Industries, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.00% 12.00%  
Principal $ 3,800 $ 3,800  
Cost 3,798 3,797  
Fair value $ 3,781 $ 3,780  
Investment, Identifier [Axis]: Tex Tech Tennis, LLC, Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 1,000,000 [6],[39] 1,000,000 [7],[40]  
Cost $ 1,000 [6],[39] $ 1,000 [7],[40]  
Fair value $ 1,980 [6],[39] $ 1,830 [7],[40]  
Investment, Identifier [Axis]: The Affiliati Network, LLC, Preferred Stock      
Schedule of Investments [Line Items]      
Units (in shares) 320,000 [29] 320,000 [30]  
Cost $ 1,600 [29] $ 1,600 [30]  
Fair value 1,600 [29] $ 1,600 [30]  
Investment, Identifier [Axis]: The Affiliati Network, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate   13.00%  
Principal 0 [31] $ 30  
Cost (3) [31] 26  
Fair value $ (3) [31] $ 26  
Investment, Identifier [Axis]: The Affiliati Network, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.00% 13.00%  
Principal $ 2,330 $ 2,380  
Cost 2,295 2,341  
Fair value $ 2,295 $ 2,341  
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC, Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 154 [29] 154 [30]  
Total Rate     12.00%
Cost $ 1,164 [29] $ 1,164 [30]  
Fair value 2,330 [29] 1,950 [30]  
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Principal 0 [31] 0  
Cost (3) [31] (3)  
Fair value $ 0 [31] $ 0  
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.00% 12.00%  
Principal $ 1,980 $ 1,980  
Cost 1,964 1,960  
Fair value $ 1,980 $ 1,980  
Investment, Identifier [Axis]: U.S. TelePacific Corp., Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 13.16% [8],[26],[27] 11.57% [5],[15]  
Reference Rate and Spread 8.40% [8],[26],[27] 1.25% [5],[15]  
PIK Rate 7.25% [8],[26],[27] 7.25% [5],[15]  
Principal $ 13,669 [8],[26],[27] $ 13,425 [5],[15]  
Cost 13,608 [8],[26],[27] 13,358 [5],[15]  
Fair value $ 3,588 [8],[26],[27] $ 5,018 [5],[15]  
Investment, Identifier [Axis]: US Bank Money Market      
Schedule of Investments [Line Items]      
Total Rate 0.005%    
Cost $ 7,505    
Fair value $ 7,505    
Investment, Identifier [Axis]: US Bank Money Market Account      
Schedule of Investments [Line Items]      
Total Rate   0.005%  
Cost [14]   $ 8,347  
Fair value [14]   $ 8,347  
Investment, Identifier [Axis]: USA DeBusk LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 10.38% [6],[26] 9.82% [7],[15]  
Reference Rate and Spread 5.75% [6],[26] 5.75% [7],[15]  
Principal $ 17,967 [6],[26] $ 18,013 [7],[15]  
Cost 17,795 [6],[26] 17,828 [7],[15]  
Fair value $ 17,967 [6],[26] $ 18,013 [7],[15]  
Investment, Identifier [Axis]: UserZoom Technologies, Inc., Secured Debt      
Schedule of Investments [Line Items]      
Total Rate [6],[26],[27] 12.13%    
Reference Rate and Spread [6],[26],[27] 7.50%    
Principal [6],[26],[27] $ 3,000    
Cost [6],[26],[27] 2,912    
Fair value [6],[26],[27] $ 2,914    
Investment, Identifier [Axis]: VORTEQ Coil Finishers, LLC, Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) 769,231 [6],[29] 769,231 [7],[30]  
Cost $ 769 [6],[29] $ 769 [7],[30]  
Fair value $ 2,910 [6],[29] $ 2,910 [7],[30]  
Investment, Identifier [Axis]: VVS Holdco LLC, Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 2,960 [29],[39] 2,960 [30],[40]  
Cost $ 2,960 [29],[39] $ 2,960 [30],[40]  
Fair value $ 3,010 [29],[39] $ 2,990 [30],[40]  
Investment, Identifier [Axis]: VVS Holdco LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Reference Rate and Spread 6.00% [31],[39] 6.00% [15],[40]  
Principal $ 0 [31],[39] $ 0 [15],[40]  
Cost (5) [31],[39] (5) [15],[40]  
Fair value $ (5) [31],[39] $ (5) [15],[40]  
Investment, Identifier [Axis]: VVS Holdco LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.50% [39] 11.50% [40]  
Principal $ 7,600 [39] $ 7,600 [40]  
Cost 7,432 [39] 7,421 [40]  
Fair value $ 7,432 [39] $ 7,421 [40]  
Investment, Identifier [Axis]: VVS Holdco, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate     11.50%
Reference Rate and Spread 6.00%    
Investment, Identifier [Axis]: VVS Holdco, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.50%   7.00%
Reference Rate and Spread     6.00%
Investment, Identifier [Axis]: Vida Capital, Inc, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 10.63% [8] 10.38% [5]  
Reference Rate and Spread 6.00% [8] 6.00% [5]  
Principal $ 6,122 [8] $ 6,263 [5]  
Cost 6,071 [8] 6,208 [5]  
Fair value $ 4,515 [8] $ 4,885 [5]  
Investment, Identifier [Axis]: Vistar Media, Inc., Preferred Stock      
Schedule of Investments [Line Items]      
Units (in shares) 70,207 [6] 70,207 [7]  
Cost $ 767 [6] $ 767 [7]  
Fair value $ 2,340 [6] $ 2,250 [7]  
Investment, Identifier [Axis]: Volusion, LLC, Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 772,620    
Cost $ 1,104    
Fair value $ 0    
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units      
Schedule of Investments [Line Items]      
Units (in shares)   2,090,001  
Cost   $ 6,000  
Fair value   $ 0  
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 1      
Schedule of Investments [Line Items]      
Units (in shares) 2,090,001    
Cost $ 6,000    
Fair value $ 0    
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 2      
Schedule of Investments [Line Items]      
Units (in shares) 61,077    
Cost $ 4,906    
Fair value $ 4,906    
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 3      
Schedule of Investments [Line Items]      
Units (in shares) 2,184,683    
Cost $ 0    
Fair value $ 0    
Investment, Identifier [Axis]: Volusion, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 10.00% 11.50% [38]  
Principal $ 900 $ 7,172 [38]  
Cost 900 7,172 [38]  
Fair value $ 900 $ 6,392 [38]  
Investment, Identifier [Axis]: Volusion, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 10.00%    
Investment, Identifier [Axis]: Volusion, LLC, Unsecured Convertible Debt      
Schedule of Investments [Line Items]      
Total Rate   8.00%  
Principal   $ 175  
Cost   175  
Fair value   $ 0  
Investment, Identifier [Axis]: Volusion, LLC, Warrants      
Schedule of Investments [Line Items]      
Units (in shares) [25]   784,867  
Cost [25]   $ 1,104  
Fair value [25]   $ 0  
Investment, Identifier [Axis]: Wall Street Prep, Inc., Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 500,000 [6] 500,000 [7]  
Cost $ 500 [6] $ 500 [7]  
Fair value $ 530 [6] $ 530 [7]  
Investment, Identifier [Axis]: Wall Street Prep, Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Reference Rate and Spread 7.00% [6],[26],[31] 7.00% [7],[15]  
Principal $ 0 [6],[26],[31] $ 0 [7],[15]  
Cost (7) [6],[26],[31] (7) [7],[15]  
Fair value $ (7) [6],[26],[31] $ (7) [7],[15]  
Investment, Identifier [Axis]: Wall Street Prep, Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.75% [6],[26] 10.74% [7],[15]  
Reference Rate and Spread 7.00% [6],[26] 7.00% [7],[15]  
Principal $ 5,294 [6],[26] $ 5,328 [7],[15]  
Cost 5,223 [6],[26] 5,252 [7],[15]  
Fair value $ 5,188 [6],[26] $ 5,216 [7],[15]  
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 11.07% [6],[26],[62] 10.73% [7],[15]  
Reference Rate and Spread 6.25% [6],[26],[62] 6.00% [7],[15]  
Principal $ 297 [6],[26],[62] $ 51 [7],[15]  
Cost 292 [6],[26],[62] 46 [7],[15]  
Fair value $ 296 [6],[26],[62] $ 51 [7],[15]  
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.98% [6],[26] 10.73% [7],[15]  
Reference Rate and Spread 6.00% [6],[26] 6.00% [7],[15]  
Principal $ 53 [6],[26] $ 53 [7],[15]  
Cost 46 [6],[26] 45 [7],[15]  
Fair value $ 53 [6],[26] $ 53 [7],[15]  
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 10.98% [6],[26] 10.73% [7],[15]  
Reference Rate and Spread 6.25% [6],[26] 6.00% [7],[15]  
Principal $ 4,132 [6],[26] $ 4,142 [7],[15]  
Cost 4,082 [6],[26] 4,089 [7],[15]  
Fair value $ 4,117 [6],[26] $ 4,141 [7],[15]  
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 200,000 [6] 200,000 [7]  
Cost $ 200 [6] $ 200 [7]  
Fair value $ 280 [6] $ 250 [7]  
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Reference Rate and Spread 6.00% [6],[26],[27],[31] 6.00% [7],[15]  
Principal $ 0 [6],[26],[27],[31] $ 0 [7],[15]  
Cost (5) [6],[26],[27],[31] (6) [7],[15]  
Fair value $ (5) [6],[26],[27],[31] $ (6) [7],[15]  
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.79% [6],[26],[27] 8.59% [7],[15]  
Reference Rate and Spread 6.00% [6],[26],[27] 6.00% [7],[15]  
Principal $ 2,970 [6],[26],[27] $ 2,978 [7],[15]  
Cost 2,921 [6],[26],[27] 2,926 [7],[15]  
Fair value $ 2,969 [6],[26],[27] $ 2,948 [7],[15]  
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Reference Rate and Spread 7.00% [6],[26],[31] 7.00% [7],[15]  
Principal $ 0 [6],[26],[31] $ 0 [7],[15]  
Cost (40) [6],[26],[31] (43) [7],[15]  
Fair value $ 0 [6],[26],[31] $ 0 [7],[15]  
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Reference Rate and Spread 7.00% [6],[26],[31] 7.00% [7],[15]  
Principal $ 0 [6],[26],[31] $ 0 [7],[15]  
Cost (42) [6],[26],[31] (43) [7],[15]  
Fair value $ (42) [6],[26],[31] $ (43) [7],[15]  
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 11.75% [6],[26] 10.74% [7],[15]  
Reference Rate and Spread 7.00% [6],[26] 7.00% [7],[15]  
Principal $ 12,500 [6],[26] $ 12,500 [7],[15]  
Cost 12,317 [6],[26] 12,305 [7],[15]  
Fair value $ 12,499 [6],[26] $ 12,487 [7],[15]  
Investment, Identifier [Axis]: World Micro Holdings, LLC, Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 530 530  
Cost $ 530 $ 530  
Fair value $ 530 $ 530  
Investment, Identifier [Axis]: World Micro Holdings, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 13.00% 13.00%  
Principal $ 1,970 $ 1,970  
Cost 1,932 1,930  
Fair value $ 1,932 $ 1,930  
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt      
Schedule of Investments [Line Items]      
Total Rate [6] 10.35%    
Reference Rate and Spread [6] 5.25%    
Principal [6] $ 2,370    
Cost [6] 2,334    
Fair value [6] $ 2,349    
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [6] 9.92%    
Reference Rate and Spread 5.25% [6] 5.25% [7]  
Principal $ 62 [6] $ 0 [7]  
Cost 53 [6] (6) [7]  
Fair value $ 62 [6] $ (6) [7]  
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.34% [6] 10.84% [7]  
Reference Rate and Spread 5.25% [6] 5.25% [7]  
Principal $ 1,197 [6] $ 1,200 [7]  
Cost 1,168 [6] 1,169 [7]  
Fair value $ 1,186 [6] $ 1,192 [7]  
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [7]   8.63%  
Reference Rate and Spread [7]   5.25%  
Principal [7]   $ 2,370  
Cost [7]   2,332  
Fair value [7]   $ 2,354  
Investment, Identifier [Axis]: YS Garments, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 14.50% [8],[26] 9.51% [5],[15]  
Reference Rate and Spread 6.00% [8],[26] 5.50% [5],[15]  
Principal $ 6,236 [8],[26] $ 6,329 [5],[15]  
Cost 6,096 [8],[26] 6,310 [5],[15]  
Fair value $ 5,613 [8],[26] $ 6,064 [5],[15]  
Investment, Identifier [Axis]: Zips Car Wash, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 12.15% [6],[26],[27],[55] 11.67% [7],[15]  
Reference Rate and Spread 7.25% [6],[26],[27],[55] 7.25% [7],[15]  
Principal $ 2,382 [6],[26],[27],[55] $ 2,388 [7],[15]  
Cost 2,357 [6],[26],[27],[55] 2,357 [7],[15]  
Fair value $ 2,382 [6],[26],[27],[55] $ 2,388 [7],[15]  
Investment, Identifier [Axis]: Zips Car Wash, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.12% [6],[26],[27],[55] 11.67% [7],[15],[63]  
Reference Rate and Spread 7.25% [6],[26],[27],[55] 7.25% [7],[15],[63]  
Principal $ 597 [6],[26],[27],[55] $ 599 [7],[15],[63]  
Cost 594 [6],[26],[27],[55] 594 [7],[15],[63]  
Fair value $ 596 [6],[26],[27],[55] $ 597 [7],[15],[63]  
[1] Principal is net of repayments. Cost is net of repayments and accumulated unearned income. Negative cost is the result of the capitalized discount being greater than the principal amount outstanding on the loan.
[2] Principal is net of repayments. Cost is net of repayments and accumulated unearned income.
[3] Investment fair value was determined using significant unobservable inputs, unless otherwise noted. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for further discussion. Negative fair value is the result of the capitalized discount on the loan or the unfunded commitment being valued below par.
[4] Investment fair value was determined using significant unobservable inputs, unless otherwise noted. See Note C — Fair Value Hierarchy for Investments—Portfolio Composition for further discussion. Negative fair value is the result of the capitalized discount on the loan or the unfunded commitment being valued below par.
[5] Middle Market portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Middle Market portfolio investments.
[6] Private Loan portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Private Loan portfolio investments.
[7] Private Loan portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Private Loan portfolio investments.
[8] Middle Market portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Middle Market portfolio investments.
[9] Other Portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Other Portfolio investments.
[10] 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.
[11] Other Portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Other Portfolio investments.
[12] 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.
[13] Effective yield as of March 31, 2023 was approximately 0.005% on the US Bank Money Market Account.
[14] Effective yield as of December 31, 2022 was approximately 0.005% on the US Bank Money Market Account.
[15] Index based floating interest rate is subject to contractual minimum interest rate. As noted in this schedule, 93% of the loans (based on the par amount) contain LIBOR floors which range between 0.50% and 2.00%, with a weighted-average LIBOR floor of 1.04%.
[16] Short-term investments represent an investment in a fund that invests in highly liquid investments with average original maturity dates of three months or less. These short-term investments are included as Cash and cash equivalents on the Consolidated Balance Sheets.
[17] Short-term investments represent an investment in a fund that invests in highly liquid investments with average original maturity dates of three months or less. These short-term investments are included as Cash and cash equivalents on the Consolidated Balance Sheets.
[18] Control investments are defined by the 1940 Act as investments in which more than 25% of the voting securities are owned or where the ability to nominate greater than 50% of the board representation is maintained.
[19] 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.
[20] Affiliate investments are defined by the 1940 Act as investments in which between 5% and 25% (inclusive) of the voting securities are owned and the investments are not classified as Control investments.
[21] 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.
[22] Non-Control/Non-Affiliate investments are defined by the 1940 Act as investments that are neither Control investments nor Affiliate investments.
[23] Non-Control/Non-Affiliate investments are defined by the 1940 Act as investments that are neither Control investments nor Affiliate investments.
[24] Warrants are presented in equivalent shares/units with a strike price of $0.01 per share/unit.
[25] Warrants are presented in equivalent shares/units with a strike price of $0.01 per share/unit.
[26] Index based floating interest rate is subject to contractual minimum interest rate. As noted in this schedule, 93% of the loans (based on the par amount) contain LIBOR or Term SOFR (“SOFR”) floors which range between 0.75% and 2.00%, with a weighted-average floor of 1.05%.
[27] A majority of the variable rate loans in the Company’s investment portfolio bear interest at a rate that may be determined by reference to either LIBOR (“L”), 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 rate, plus the Adjustment, exceeds the stated floor rate, as applicable. As of March 31, 2023, SOFR based contracts in the portfolio had Adjustments ranging from 0.10% to 0.26%.
[28] As of March 31, 2023, borrowings under the loan facility bear interest at SOFR+6.00% (Floor 1.00%). Each new draw of funding on the delayed draw term loan 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, 2023.
[29] Income producing through dividends or distributions.
[30] Income producing through dividends or distributions.
[31] The position is unfunded and no interest income is being earned as of March 31, 2023. The position may earn a nominal unused facility fee on committed amounts.
[32] Index based floating interest rate is subject to contractual maximum base rate of 3.50%
[33] Index based floating interest rate is subject to contractual maximum base rate of 2.50%.
[34] Index based floating interest rate is subject to contractual maximum base rate of 2.50%.
[35] Non-accrual and non-income producing investment.
[36] Non-accrual and non-income producing investment.
[37] Maturity date is under on-going negotiations with the portfolio company and other lenders, if applicable.
[38] Maturity date is under on-going negotiations with the portfolio company and other lenders, if applicable.
[39] Shares/Units represent ownership in a related Real Estate or HoldCo entity.
[40] Shares/Units represent ownership in a related Real Estate or HoldCo entity.
[41] Investment is not unitized. Presentation is made in percent of fully diluted ownership unless otherwise indicated.
[42] Investment is not unitized. Presentation is made in percent of fully diluted ownership unless otherwise indicated.
[43] The security has an effective contractual interest rate of 2.00% PIK + LIBOR+6.50%, Floor 1.00%,but the issuer may, in its discretion, elect to pay the PIK interest in cash. The rate presented represents the effective current yield based on actual payments received during the period.
[44] As of March 31, 2023, borrowings under the loan facility bear interest at SOFR+6.25% (Floor 1.00%). Each new draw or funding on the facility has a different floating rate reset date. The rate presented represents a weighted-average rate for borrowings under the facility, as of March 31, 2023.
[45] As of December 31, 2022, borrowings under the loan facility bore interest at SOFR+6.25% (Floor 1.00%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2022.
[46] As of December 31, 2022, borrowings under the loan facility bore interest at SOFR+6.25% (Floor 1.00%). Due to an amendment and subsequent funding during the quarter, the term loan facility has different floating rate reset dates. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2022.
[47] As of March 31, 2023, borrowings under the loan facility bore interest at LIBOR+7.50% (Floor 1.00%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of March 31, 2023.
[48] As of December 31, 2022, borrowings under the loan facility bore interest at LIBOR+8.00% (Floor 1.00%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2022.
[49] As of March 31, 2023, borrowings under the loan facility bore interest at SOFR+7.50% (Floor 1.00%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of March 31, 2023.
[50] Index based floating interest rate is subject to contractual maximum base rate of 3.00%.
[51] As of December 31, 2022, borrowings under the loan facility bore interest at SOFR+5.75% (Floor 1.00%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2022.
[52] Investment date represents the date of initial investment in the security position.
[53] As of December 31, 2022, borrowings under the loan facility bore interest at LIBOR+10.00%. RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2022.
[54] As of March 31, 2023, borrowings under the loan facility bore interest at LIBOR+6.50% (Floor 1.00%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of March 31, 2023.
[55] As of March 31, 2023, borrowings under the loan facility bear interest at SOFR+7.25% (Floor 1.00%). Each new draw or funding on the facility has a different floating rate reset date. The rate presented represents a weighted-average rate for borrowings under the facility, as of March 31, 2023.
[56] As of December 31, 2022, borrowings under the loan facility bore interest at LIBOR+7.25% (Floor 0.75%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2022.
[57] As of March 31, 2023, borrowings under the loan facility bore interest at SOFR+8.00% (Floor 1.00%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of March 31, 2023.
[58] As of December 31, 2022, borrowings under the loan facility bore interest at SOFR+ 8.00% (Floor 1.00%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2022.
[59] As of December 31, 2022, borrowings under the loan facility bore interest at SOFR+5.75% (Floor 1.00%). Delayed draw term loan 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, 2022.
[60] Warrants are presented in equivalent units with a strike price of $14.28 per unit.
[61] Warrants are presented in equivalent units with a strike price of $14.28 per unit.
[62] As of March 31, 2023, borrowings under the loan facility bore interest at LIBOR+6.25% (Floor 1.00%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of March 31, 2023.
[63] As of December 31, 2022, borrowings under the loan facility bore interest at SOFR+7.25% (Floor 1.00%). Each new draw on the delayed draw term loan 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, 2022.