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
Schedule of Investments [Line Items]    
Cost $ 3,797,714 $ 3,773,752 [1]
Fair value $ 4,160,917 $ 4,102,177 [2]
Investment owned, percent of net assets 191.50% 194.50%
Analytical Systems Keco Holdings, LLC    
Schedule of Investments [Line Items]    
Cost $ 10,436 $ 10,485
Fair value 8,081 8,046
ASC Interests, LLC    
Schedule of Investments [Line Items]    
Cost 3,549 3,549
Fair value 2,749 2,849
ATS Workholding, LLC    
Schedule of Investments [Line Items]    
Cost 8,503 [3] 8,484 [4]
Fair value 1,343 [3] 1,639 [4]
Barfly Ventures, LLC    
Schedule of Investments [Line Items]    
Cost 2,295 [3] 2,295 [4]
Fair value 3,748 [3] 4,031 [4]
Batjer TopCo, LLC    
Schedule of Investments [Line Items]    
Cost 14,580 15,020
Fair value 16,635 15,020
Bolder Panther Group, LLC    
Schedule of Investments [Line Items]    
Cost 111,952 112,576
Fair value 129,955 130,614
Brewer Crane Holdings, LLC    
Schedule of Investments [Line Items]    
Cost 10,120 10,244
Fair value 12,400 13,044
Bridge Capital Solutions Corporation    
Schedule of Investments [Line Items]    
Cost 12,945 12,945
Fair value 15,153 15,153
California Splendor Holdings LLC    
Schedule of Investments [Line Items]    
Cost 42,873 42,720
Fair value 57,639 57,489
Centre Technologies Holdings, LLC    
Schedule of Investments [Line Items]    
Cost 21,082 21,076
Fair value 24,220 23,654
Chamberlin Holding LLC    
Schedule of Investments [Line Items]    
Cost 30,153 30,148
Fair value 42,575 42,575
Charps, LLC    
Schedule of Investments [Line Items]    
Cost 6,615 6,606
Fair value 19,244 19,034
Clad-Rex Steel, LLC    
Schedule of Investments [Line Items]    
Cost 18,492 18,969
Fair value 19,002 20,309
Cody Pools, Inc.    
Schedule of Investments [Line Items]    
Cost 49,458 50,281
Fair value 100,581 100,443
Colonial Electric Company LLC    
Schedule of Investments [Line Items]    
Cost 30,530 30,831
Fair value 31,050 32,311
CompareNetworks Topco, LLC    
Schedule of Investments [Line Items]    
Cost 6,837 7,207
Fair value 23,309 25,071
Datacom, LLC    
Schedule of Investments [Line Items]    
Cost 11,221 11,023
Fair value 10,881 10,682
Digital Products Holdings LLC    
Schedule of Investments [Line Items]    
Cost 24,704 25,024
Fair value 25,038 25,358
Direct Marketing Solutions, Inc.    
Schedule of Investments [Line Items]    
Cost 35,063 35,434
Fair value 48,576 49,487
Elgin AcquireCo, LLC    
Schedule of Investments [Line Items]    
Cost 34,041 34,040
Fair value 34,041 34,040
Gamber-Johnson Holdings, LLC    
Schedule of Investments [Line Items]    
Cost 80,601 81,377
Fair value 122,648 114,968
Garreco, LLC    
Schedule of Investments [Line Items]    
Cost 4,749 5,026
Fair value 5,129 5,626
GRT Rubber Technologies LLC    
Schedule of Investments [Line Items]    
Cost 54,354 54,048
Fair value 85,898 85,603
Gulf Publishing Holdings, LLC    
Schedule of Investments [Line Items]    
Cost 11,681 11,681
Fair value 6,064 6,064
Harris Preston Fund Investments    
Schedule of Investments [Line Items]    
Cost 4,275 [5],[6] 4,143 [7],[8]
Fair value 7,257 [5],[6] 7,800 [7],[8]
Jensen Jewelers of Idaho, LLC    
Schedule of Investments [Line Items]    
Cost 3,257 17,420
Fair value 17,300 3,255
Johnson Downie Opco, LLC    
Schedule of Investments [Line Items]    
Cost 13,062 13,056
Fair value 16,549 15,539
JorVet Holdings, LLC    
Schedule of Investments [Line Items]    
Cost 36,186 36,173
Fair value 36,186 36,173
KBK Industries, LLC    
Schedule of Investments [Line Items]    
Cost 6,477  
Fair value 17,730  
Kickhaefer Manufacturing Company, LLC    
Schedule of Investments [Line Items]    
Cost 37,631 37,448
Fair value 34,399 34,286
Market Force Information, LLC    
Schedule of Investments [Line Items]    
Cost 49,482 48,847
Fair value 0 7,700
MetalForming AcquireCo, LLC    
Schedule of Investments [Line Items]    
Cost 31,252 31,123
Fair value 31,252 31,123
MH Corbin Holding LLC    
Schedule of Investments [Line Items]    
Cost 16,440 16,556
Fair value 5,384 4,548
MS Private Loan Fund I, LP    
Schedule of Investments [Line Items]    
Cost 14,250 [5],[6] 14,250 [7],[8]
Fair value 14,775 [5],[6] 14,833 [7],[8]
Mystic Logistics Holdings, LLC    
Schedule of Investments [Line Items]    
Cost 8,466 8,466
Fair value 30,756 28,576
Nebraska Vet AcquireCo, LLC    
Schedule of Investments [Line Items]    
Cost 37,409 37,393
Fair value 41,814 38,294
NexRev LLC    
Schedule of Investments [Line Items]    
Cost 18,940 19,548
Fair value 11,860 9,587
NRP Jones, LLC    
Schedule of Investments [Line Items]    
Cost 5,797 5,797
Fair value 7,160 6,870
NuStep, LLC    
Schedule of Investments [Line Items]    
Cost 35,078 35,075
Fair value 35,596 36,003
OMi Topco, LLC    
Schedule of Investments [Line Items]    
Cost 15,977 16,714
Fair value 40,100 38,560
Orttech Holdings, LLC    
Schedule of Investments [Line Items]    
Cost 32,646 33,429
Fair value 36,146 35,179
Pearl Meyer Topco LLC    
Schedule of Investments [Line Items]    
Cost 55,514 41,537
Fair value 86,221 71,941
PPL RVs, Inc.    
Schedule of Investments [Line Items]    
Cost 23,800 23,787
Fair value 40,775 40,843
Principle Environmental, LLC    
Schedule of Investments [Line Items]    
Cost 12,721 12,715
Fair value 16,792 18,816
Robbins Bros. Jewelry, Inc.    
Schedule of Investments [Line Items]    
Cost 46,235 46,439
Fair value 45,095 50,249
Tedder Industries, LLC    
Schedule of Investments [Line Items]    
Cost 26,502 26,277
Fair value 24,167 24,641
Televerde, LLC    
Schedule of Investments [Line Items]    
Cost 2,008 2,008
Fair value 8,393 7,202
Trantech Radiator Topco, LLC    
Schedule of Investments [Line Items]    
Cost 12,546 12,544
Fair value 17,226 15,720
Volusion, LLC    
Schedule of Investments [Line Items]    
Cost 30,122 33,719
Fair value 13,546 14,914
VVS Holdco LLC    
Schedule of Investments [Line Items]    
Cost 42,001 41,977
Fair value 42,201 42,080
Ziegler’s NYPD, LLC    
Schedule of Investments [Line Items]    
Cost 7,634 7,634
Fair value 3,926 4,311
AAC Holdings, Inc.    
Schedule of Investments [Line Items]    
Cost 15,625 [9] 14,738 [10]
Fair value 12,164 [9] 11,550 [10]
ATX Networks Corp.    
Schedule of Investments [Line Items]    
Cost [10]   8,499
Fair value [10]   12,211
BBB Tank Services, LLC    
Schedule of Investments [Line Items]    
Cost 5,762 5,762
Fair value 2,886 2,886
Boccella Precast Products LLC    
Schedule of Investments [Line Items]    
Cost 2,576 2,576
Fair value 3,090 3,290
Buca C, LLC    
Schedule of Investments [Line Items]    
Cost 21,750 22,125
Fair value 11,962 12,337
Career Team Holdings, LLC    
Schedule of Investments [Line Items]    
Cost 24,591 24,581
Fair value 24,591 24,581
Classic H&G Holdings, LLC    
Schedule of Investments [Line Items]    
Cost 29,512 29,502
Fair value 49,534 48,471
DMA Industries, LLC    
Schedule of Investments [Line Items]    
Cost 26,990 26,979
Fair value 28,460 28,460
Dos Rios Partners    
Schedule of Investments [Line Items]    
Cost 8,510 [5],[6] 8,510 [7],[8]
Fair value 12,181 [5],[6] 12,025 [7],[8]
Flame King Holdings, LLC    
Schedule of Investments [Line Items]    
Cost 38,992 38,975
Fair value 49,990 46,380
Freeport Financial Funds    
Schedule of Investments [Line Items]    
Cost 9,274 [5],[6] 9,810 [7],[8]
Fair value 8,795 [5],[6] 9,331 [7],[8]
GFG Group, LLC.    
Schedule of Investments [Line Items]    
Cost 16,175 16,169
Fair value 18,935 18,485
Harris Preston Fund Investments    
Schedule of Investments [Line Items]    
Cost 5,782 [5],[6] 6,290 [7],[8]
Fair value 7,668 [5],[6] 8,063 [7],[8]
Hawk Ridge Systems, LLC    
Schedule of Investments [Line Items]    
Cost 44,692 43,868
Fair value 60,180 59,365
Houston Plating and Coatings, LLC    
Schedule of Investments [Line Items]    
Cost 5,352 5,352
Fair value 5,830 5,400
Infinity X1 Holdings, LLC    
Schedule of Investments [Line Items]    
Cost 21,823  
Fair value 21,823  
Iron-Main Investments, LLC    
Schedule of Investments [Line Items]    
Cost 49,738 37,931
Fair value 49,738 37,931
OnAsset Intelligence, Inc.    
Schedule of Investments [Line Items]    
Cost 12,683 12,683
Fair value 5,255 5,309
Oneliance, LLC    
Schedule of Investments [Line Items]    
Cost 6,538 6,615
Fair value 6,538 6,615
Rocaceia, LLC (Quality Lease and Rental Holdings, LLC)    
Schedule of Investments [Line Items]    
Cost 32,365
Fair value 0
SI East, LLC    
Schedule of Investments [Line Items]    
Cost 85,708 90,926
Fair value 98,186 103,436
Slick Innovations, LLC    
Schedule of Investments [Line Items]    
Cost 13,924 14,154
Fair value 15,390 15,370
Sonic Systems International, LLC    
Schedule of Investments [Line Items]    
Cost 16,898 [3] 16,883 [4]
Fair value 16,999 [3] 17,049 [4]
Student Resource Center, LLC    
Schedule of Investments [Line Items]    
Cost 4,556 [3] 4,556 [4]
Fair value 4,556 [3] 4,556 [4]
Superior Rigging & Erecting Co.    
Schedule of Investments [Line Items]    
Cost 24,895 25,878
Fair value 25,365 25,878
The Affiliati Network, LLC    
Schedule of Investments [Line Items]    
Cost 15,636 15,948
Fair value 15,636 15,948
UniTek Global Services, Inc.    
Schedule of Investments [Line Items]    
Cost 20,742 [9] 20,535 [10]
Fair value 12,382 [9] 11,510 [10]
Universal Wellhead Services Holdings, LLC    
Schedule of Investments [Line Items]    
Cost 5,032 [3] 5,032 [4]
Fair value 218 [3] 220 [4]
World Micro Holdings, LLC    
Schedule of Investments [Line Items]    
Cost 17,992 17,985
Fair value 17,992 17,985
AB Centers Acquisition Corporation    
Schedule of Investments [Line Items]    
Cost 19,796 [3] 17,216 [4]
Fair value 20,371 [3] 17,754 [4]
Acousti Engineering Company of Florida    
Schedule of Investments [Line Items]    
Cost 12,156 [3] 12,294 [4]
Fair value 12,230 [3] 12,376 [4]
Acumera, Inc.    
Schedule of Investments [Line Items]    
Cost 19,293 [3] 18,561 [4]
Fair value 19,714 [3] 18,986 [4]
Adams Publishing Group, LLC    
Schedule of Investments [Line Items]    
Cost 30,462 [3] 28,762 [4]
Fair value 30,200 [3] 28,815 [4]
AMEREQUIP LLC.    
Schedule of Investments [Line Items]    
Cost 38,436 [3] 38,461 [4]
Fair value 39,158 [3] 39,105 [4]
American Health Staffing Group, Inc.    
Schedule of Investments [Line Items]    
Cost 6,542 [3] 6,555 [4]
Fair value 6,590 [3] 6,607 [4]
American Nuts, LLC    
Schedule of Investments [Line Items]    
Cost 29,296 [3] 30,816 [4]
Fair value 25,405 [3] 29,260 [4]
American Teleconferencing Services, Ltd.    
Schedule of Investments [Line Items]    
Cost 16,686 [9] 16,686 [10]
Fair value 889 [9] 976 [10]
ArborWorks, LLC    
Schedule of Investments [Line Items]    
Cost 33,877 [3] 34,064 [4]
Fair value 27,523 [3] 29,010 [4]
Archer Systems, LLC    
Schedule of Investments [Line Items]    
Cost 65,246 [3] 67,583 [4]
Fair value 65,104 [3] 67,764 [4]
ATS Operating, LLC    
Schedule of Investments [Line Items]    
Cost 14,400 [3] 14,040 [4]
Fair value 14,195 [3] 13,835 [4]
AVEX Aviation Holdings, LLC    
Schedule of Investments [Line Items]    
Cost 30,946 [3] 28,230 [4]
Fair value 30,939 [3] 28,276 [4]
Berry Aviation, Inc.    
Schedule of Investments [Line Items]    
Cost 1,381 [3] 1,356 [4]
Fair value 6,081 [3] 5,026 [4]
Bettercloud, Inc.    
Schedule of Investments [Line Items]    
Cost 27,384 [3] 26,944 [4]
Fair value 27,847 [3] 27,429 [4]
Bluestem Brands, Inc.    
Schedule of Investments [Line Items]    
Cost 4,688 [9] 3,317 [10]
Fair value 8,010 [9] 9,094 [10]
Brainworks Software, LLC    
Schedule of Investments [Line Items]    
Cost 7,817 [11],[12],[13] 7,817 [4]
Fair value 2,895 [11],[12],[13] 3,677 [4]
Brightwood Capital Fund Investments    
Schedule of Investments [Line Items]    
Cost 13,412 [5],[6] 13,412 [7],[8]
Fair value 11,530 [5],[6] 11,497 [7],[8]
Burning Glass Intermediate Holding Company, Inc.    
Schedule of Investments [Line Items]    
Cost 20,317 [3] 19,628 [4]
Fair value 20,606 [3] 19,933 [4]
Cadence Aerospace LLC    
Schedule of Investments [Line Items]    
Cost [3] 28,846  
Fair value [3] 28,891  
CAI Software LLC    
Schedule of Investments [Line Items]    
Cost 1,789 1,789
Fair value 1,789 1,789
Camin Cargo Control, Inc.    
Schedule of Investments [Line Items]    
Cost [9] 15,079  
Fair value [9] 14,646  
CaseWorthy, Inc.    
Schedule of Investments [Line Items]    
Cost 14,238 [3] 14,228 [4]
Fair value 14,288 [3] 14,282 [4]
Channel Partners Intermediateco, LLC    
Schedule of Investments [Line Items]    
Cost 44,884 [3] 40,163 [4]
Fair value 44,768 [3] 40,325 [4]
Computer Data Source, LLC    
Schedule of Investments [Line Items]    
Cost 23,267 [3] 23,243 [4]
Fair value 21,507 [3] 21,799 [4]
Dalton US Inc.    
Schedule of Investments [Line Items]    
Cost 17,202 [3] 15,123 [4]
Fair value 17,204 [3] 15,390 [4]
DTE Enterprises, LLC    
Schedule of Investments [Line Items]    
Cost 7,598 [3] 8,001 [4]
Fair value 7,204 [3] 7,474 [4]
Dynamic Communities, LLC    
Schedule of Investments [Line Items]    
Cost 3,487 [3] 3,487 [4]
Fair value 3,487 [3] 3,487 [4]
Eastern Wholesale Fence LLC    
Schedule of Investments [Line Items]    
Cost 31,410 [3] 31,406 [4]
Fair value 30,778 [3] 31,159 [4]
EnCap Energy Fund Investments    
Schedule of Investments [Line Items]    
Cost 28,498 [5],[6] 28,866 [7],[8]
Fair value 22,301 [5],[6] 21,905 [7],[8]
Cody Pools, Inc.    
Schedule of Investments [Line Items]    
Cost 16,920 [3] 16,132 [4]
Fair value 17,114 [3] 16,469 [4]
Event Holdco, LLC    
Schedule of Investments [Line Items]    
Cost 47,642 [3],[14] 47,618 [4]
Fair value 45,549 [3],[14] 45,590 [4]
Flip Electronics LLC    
Schedule of Investments [Line Items]    
Cost 11,854 [3] 11,588 [4]
Fair value 12,077 [3] 11,831 [4]
Fuse, LLC    
Schedule of Investments [Line Items]    
Cost 2,066 [9] 2,066 [10]
Fair value 1,512 [9] 1,512 [10]
GS HVAM Intermediate, LLC    
Schedule of Investments [Line Items]    
Cost 11,802 [3] 12,864 [4]
Fair value 11,815 [3] 12,876 [4]
GULF PACIFIC ACQUISITION, LLC    
Schedule of Investments [Line Items]    
Cost 4,197 [3] 3,809 [4]
Fair value 4,281 [3] 3,898 [4]
HDC/HW Intermediate Holdings    
Schedule of Investments [Line Items]    
Cost 3,715 [3] 3,581 [4]
Fair value 3,632 [3] 3,497 [4]
HEADLANDS OP-CO LLC    
Schedule of Investments [Line Items]    
Cost 16,340 [3] 16,359 [4]
Fair value 16,630 [3] 16,667 [4]
IG Parent Corporation    
Schedule of Investments [Line Items]    
Cost 14,263 [9],[11],[14] 14,974 [10]
Fair value 14,320 [9],[11],[14] 15,197 [10]
Independent Pet Partners Intermediate Holdings, LLC    
Schedule of Investments [Line Items]    
Cost 34,533 [3] 30,253 [4]
Fair value 18,004 [3] 15,429 [4]
Industrial Services Acquisition, LLC    
Schedule of Investments [Line Items]    
Cost 21,026 [3] 20,507 [4]
Fair value 21,036 [3] 20,540 [4]
Infolinks Media Buyco, LLC    
Schedule of Investments [Line Items]    
Cost 8,452 [3] 8,442 [4]
Fair value 8,576 [3] 8,574 [4]
Interface Security Systems, L.L.C    
Schedule of Investments [Line Items]    
Cost 9,072 [3] 8,919 [4]
Fair value 2,863 [3] 2,764 [4]
Invincible Boat Company, LLC.    
Schedule of Investments [Line Items]    
Cost 17,516 [3] 17,402 [4]
Fair value 17,615 [3] 17,511 [4]
Jackmont Hospitality, Inc.    
Schedule of Investments [Line Items]    
Cost 2,610 [3] 2,685 [4]
Fair value 3,014 [3] 3,202 [4]
Joerns Healthcare, LLC    
Schedule of Investments [Line Items]    
Cost 10,857 [9] 10,723 [10]
Fair value 2,711 [9] 2,801 [10]
JTI Electrical & Mechanical, LLC    
Schedule of Investments [Line Items]    
Cost 37,717 [3] 37,907 [4]
Fair value 39,425 [3] 39,652 [4]
KMS, LLC    
Schedule of Investments [Line Items]    
Cost 8,390 [3] 8,410 [4]
Fair value 7,999 [3] 8,017 [4]
LL Management, Inc.    
Schedule of Investments [Line Items]    
Cost 27,974 [3] 27,980 [4]
Fair value 27,739 [3] 27,926 [4]
Mako Steel, LP    
Schedule of Investments [Line Items]    
Cost 16,849 [3] 18,185 [4]
Fair value 16,910 [3] 18,307 [4]
MB2 Dental Solutions, LLC    
Schedule of Investments [Line Items]    
Cost 16,954 [9] 16,051 [10]
Fair value 17,115 [9] 16,214 [10]
Microbe Formulas, LLC    
Schedule of Investments [Line Items]    
Cost 25,234 [3] 25,556 [4]
Fair value 24,796 [3] 25,118 [4]
MonitorUS Holding, LLC    
Schedule of Investments [Line Items]    
Cost 29,454 [3],[6],[15] 27,494 [4],[8],[16]
Fair value 30,688 [3],[6],[15] 28,577 [4],[8],[16]
NinjaTrader, LLC    
Schedule of Investments [Line Items]    
Cost 21,415 [3] 21,379
Fair value 21,633 [3] 21,628
NWN Corporation    
Schedule of Investments [Line Items]    
Cost 50,319 [3] 49,085 [4]
Fair value 48,371 [3] 47,530 [4]
Paragon Healthcare, Inc.    
Schedule of Investments [Line Items]    
Cost 22,460 [3] 20,898 [4]
Fair value 22,494 [3] 21,118 [4]
Project Eagle Holdings, LLC    
Schedule of Investments [Line Items]    
Cost 28,943 [3] 29,022 [4]
Fair value 28,981 [3] 29,401 [4]
PTL US Bidco, Inc    
Schedule of Investments [Line Items]    
Cost 28,886 [6] 27,575 [4],[8]
Fair value 28,736 [6] 27,737 [4],[8]
RA Outdoors LLC    
Schedule of Investments [Line Items]    
Cost 13,624 [3] 13,230
Fair value 12,398 [3] 12,083
RM Bidder, LLC    
Schedule of Investments [Line Items]    
Cost 471 [3] 471 [4]
Fair value 20 [3] 19 [4]
Roof Opco, LLC    
Schedule of Investments [Line Items]    
Cost 5,412 [3] 5,716 [4]
Fair value 5,428 [3] 5,817 [4]
RTIC Subsidiary Holdings, LLC    
Schedule of Investments [Line Items]    
Cost 17,304 [3] 17,849 [4]
Fair value 15,951 [3] 16,625 [4]
Rug Doctor, LLC.    
Schedule of Investments [Line Items]    
Cost 13,833 [3] 13,813 [4]
Fair value 12,850 [3] 12,515 [4]
SIB Holdings, LLC    
Schedule of Investments [Line Items]    
Cost 9,916 [3] 9,761 [4]
Fair value 9,014 [3] 9,123 [4]
South Coast Terminals Holdings, LLC    
Schedule of Investments [Line Items]    
Cost 41,338 [3] 41,396 [4]
Fair value 42,401 [3] 42,500 [4]
SPAU Holdings, LLC    
Schedule of Investments [Line Items]    
Cost 16,202 [3] 16,223 [4]
Fair value 16,473 [3] 16,510 [4]
Veregy Consolidated, Inc.    
Schedule of Investments [Line Items]    
Cost 16,778 [9] 16,751 [10]
Fair value 14,622 [9] 14,849 [10]
Wahoo Fitness Acquisition L.L.C.    
Schedule of Investments [Line Items]    
Cost [9] 16,240  
Fair value [9] 8,172  
Wall Street Prep, Inc.    
Schedule of Investments [Line Items]    
Cost 4,546 [3] 4,567 [4]
Fair value 4,539 [3] 4,560 [4]
Watterson Brands, LLC    
Schedule of Investments [Line Items]    
Cost 30,815 [3] 29,286 [4]
Fair value 31,106 [3] 29,708 [4]
West Star Aviation Acquisition, LLC    
Schedule of Investments [Line Items]    
Cost 12,113 [3] 12,129 [4]
Fair value 12,913 [3] 12,615 [4]
Winter Services LLC    
Schedule of Investments [Line Items]    
Cost 9,806 [3] 9,797 [4]
Fair value 9,983 [3] 9,975 [4]
Xenon Arc, Inc.    
Schedule of Investments [Line Items]    
Cost 62,415 [3] 61,337 [4]
Fair value 63,039 [3] 61,968 [4]
Zips Car Wash, LLC    
Schedule of Investments [Line Items]    
Cost 21,644 [3] 21,639 [4]
Fair value 21,840 [3] 21,891 [4]
Control investments    
Schedule of Investments [Line Items]    
Cost 1,315,277 [17],[18] 1,270,802 [1],[19]
Fair value $ 1,746,003 [17],[20] $ 1,703,172 [2],[19]
Investment owned, percent of net assets 80.40% 80.80%
Affiliate investments    
Schedule of Investments [Line Items]    
Cost $ 591,458 [18],[21] $ 635,536 [1],[22]
Fair value $ 626,227 [20],[21] $ 618,359 [2],[22]
Investment owned, percent of net assets 28.80% 29.30%
Non‑Control/Non‑Affiliate investments    
Schedule of Investments [Line Items]    
Cost $ 1,890,979 $ 1,867,414 [1],[23]
Fair value $ 1,788,687 $ 1,780,646 [2],[23]
Investment owned, percent of net assets 82.30% 84.40%
Investment, Identifier [Axis]: AAC Holdings, Inc., Common Stock    
Schedule of Investments [Line Items]    
Units (in shares) 593,928 [9] 593,928 [10]
Cost $ 3,148 [9] $ 3,148 [10]
Fair value $ 0 [9] $ 0 [10]
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt    
Schedule of Investments [Line Items]    
Total Rate [10]   18.00%
PIK Rate [10]   18.00%
Principal [10]   $ 11,726
Cost [10]   11,590
Fair value [10]   $ 11,550
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate [9] 18.00%  
Principal [9] $ 320  
Cost [9] 315  
Fair value [9] $ 309  
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate [9] 18.00%  
PIK Rate [9] 18.00%  
Principal [9] $ 12,285  
Cost [9] 12,162  
Fair value [9] $ 11,855  
Investment, Identifier [Axis]: AAC Holdings, Inc., Warrants    
Schedule of Investments [Line Items]    
Units (in shares) 554,353 [9],[24] 554,353 [10],[25]
Cost $ 0 [9],[24] $ 0 [10],[25]
Fair value $ 0 [9],[24] $ 0 [10],[25]
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate [3],[11] 13.00%  
Reference Rate and Spread 5.00% [3],[11] 6.00% [4],[26],[27],[28]
Principal $ 371 [3],[11] $ 0 [4],[26],[27],[28]
Cost 333 [3],[11] (39) [4],[26],[27],[28]
Fair value $ 370 [3],[11] $ (39) [4],[26],[27],[28]
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 10.80% [3],[11],[14],[29] 10.20% [4],[26],[27]
Reference Rate and Spread 6.00% [3],[11],[14],[29] 6.00% [4],[26],[27]
Principal $ 2,224 [3],[11],[14],[29] $ 741 [4],[26],[27]
Cost 2,129 [3],[11],[14],[29] 653 [4],[26],[27]
Fair value $ 2,217 [3],[11],[14],[29] $ 741 [4],[26],[27]
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate 10.79% [3],[11],[14] 10.58% [4],[26],[27]
Reference Rate and Spread 6.00% [3],[11],[14] 6.00% [4],[26],[27]
Principal $ 17,786 [3],[11],[14] $ 17,052 [4],[26],[27]
Cost 17,334 [3],[11],[14] 16,602 [4],[26],[27]
Fair value $ 17,784 [3],[11],[14] $ 17,052 [4],[26],[27]
Investment, Identifier [Axis]: ADS Tactical, Inc., Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 10.59% [9],[11] 10.14% [10],[27]
Reference Rate and Spread 5.75% [9],[11] 5.75% [10],[27]
Principal $ 20,712 [9],[11] $ 21,077 [10],[27]
Cost 20,443 [9],[11] 20,781 [10],[27]
Fair value $ 19,262 [9],[11] $ 18,969 [10],[27]
Investment, Identifier [Axis]: AFG Capital Group, LLC, Preferred Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 186 [30] 186 [31]
Cost $ 1,200 [30] $ 1,200 [31]
Fair value $ 9,400 [30] $ 9,400 [31]
Investment, Identifier [Axis]: AMEREQUIP LLC., Common Stock    
Schedule of Investments [Line Items]    
Units (in shares) 235 [3],[30] 235 [4]
Cost $ 1,844 [3],[30] $ 1,779 [4]
Fair value $ 1,930 [3],[30] $ 1,779 [4]
Investment, Identifier [Axis]: AMEREQUIP LLC., Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 7.40% [3],[11],[14],[32] 7.40% [4],[26],[27],[28]
Principal $ 0 [3],[11],[14],[32] $ 0 [4],[26],[27],[28]
Cost (130) [3],[11],[14],[32] (137) [4],[26],[27],[28]
Fair value $ (130) [3],[11],[14],[32] $ (137) [4],[26],[27],[28]
Investment, Identifier [Axis]: AMEREQUIP LLC., Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.10% [3],[11],[14] 11.72% [4],[26],[27]
Reference Rate and Spread 7.40% [3],[11],[14] 7.40% [4],[26],[27]
Principal $ 37,358 [3],[11],[14] $ 37,491 [4],[26],[27]
Cost 36,722 [3],[11],[14] 36,819 [4],[26],[27]
Fair value $ 37,358 [3],[11],[14] $ 37,463 [4],[26],[27]
Investment, Identifier [Axis]: ASC Interests, LLC, Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 1,500 1,500
Cost $ 1,500 $ 1,500
Fair value $ 700 $ 800
Investment, Identifier [Axis]: ASC Interests, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 13.00% 13.00%
Principal $ 400 $ 400
Cost 400 400
Fair value $ 400 $ 400
Investment, Identifier [Axis]: ASC Interests, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 13.00% 13.00%
Principal $ 1,650 $ 1,650
Cost 1,649 1,649
Fair value $ 1,649 $ 1,649
Investment, Identifier [Axis]: ASK (Analytical Systems Keco Holdings, LLC), Preferred Member Units 1    
Schedule of Investments [Line Items]    
Total Rate 14.13%  
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) 720,000 [3] 720,000 [4]
Cost $ 720 [3] $ 720 [4]
Fair value $ 660 [3] $ 660 [4]
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate [3],[11] 11.39%  
Reference Rate and Spread 6.50% [3],[11],[14] 5.50% [4],[26],[27],[28]
Principal $ 360 [3],[11],[14] $ 0 [4],[26],[27],[28]
Cost 360 [3],[11],[14] 0 [4],[26],[27],[28]
Fair value $ 360 [3],[11],[14] $ 0 [4],[26],[27],[28]
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 10.09% [3],[11],[14] 9.32% [4],[26],[27]
Reference Rate and Spread 5.50% [3],[11],[14] 5.50% [4],[26],[27]
Principal $ 6,660 [3],[11],[14] $ 6,660 [4],[26],[27]
Cost 6,660 [3],[11],[14] 6,660 [4],[26],[27]
Fair value $ 6,582 [3],[11],[14] $ 6,582 [4],[26],[27]
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate 12.09% [3],[11],[14] 11.32% [4],[26],[27]
Reference Rate and Spread 7.50% [3],[11],[14] 7.50% [4],[26],[27]
Principal $ 6,660 [3],[11],[14] $ 6,660 [4],[26],[27]
Cost 6,660 [3],[11],[14] 6,660 [4],[26],[27]
Fair value $ 6,593 [3],[11],[14] $ 6,593 [4],[26],[27]
Investment, Identifier [Axis]: ATS Workholding, LLC, Preferred Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 3,725,862 [3] 3,725,862 [4]
Cost $ 3,726 [3] $ 3,726 [4]
Fair value $ 0 [3] $ 0 [4]
Investment, Identifier [Axis]: ATS Workholding, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 5.00% [3],[13] 5.00% [4],[33]
Principal $ 1,922 [3],[13] $ 1,901 [4],[33]
Cost 1,922 [3],[13] 1,901 [4],[33]
Fair value $ 523 [3],[13] $ 634 [4],[33]
Investment, Identifier [Axis]: ATS Workholding, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 5.00% [3],[13] 5.00% [4],[33]
Principal $ 3,015 [3],[13] $ 3,015 [4],[33]
Cost 2,855 [3],[13] 2,857 [4],[33]
Fair value $ 820 [3],[13] $ 1,005 [4],[33]
Investment, Identifier [Axis]: ATX Networks Corp., Common Stock    
Schedule of Investments [Line Items]    
Units (in shares) [10]   583
Cost [10]   $ 0
Fair value [10]   $ 3,270
Investment, Identifier [Axis]: ATX Networks Corp., Secured Debt    
Schedule of Investments [Line Items]    
Total Rate [10],[27]   12.23%
Reference Rate and Spread 7.50% 7.50% [10],[27]
Principal [10],[27]   $ 6,783
Cost [10],[27]   6,208
Fair value [10],[27]   $ 6,343
Investment, Identifier [Axis]: ATX Networks Corp., Unsecured Debt    
Schedule of Investments [Line Items]    
Total Rate [10]   10.00%
PIK Rate 10.00% 10.00% [10]
Principal [10]   $ 3,396
Cost [10]   2,291
Fair value [10]   $ 2,598
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Common Equity    
Schedule of Investments [Line Items]    
Units (in shares) 984 [3] 360 [4]
Cost $ 965 [3] $ 360 [4]
Fair value $ 1,011 [3] $ 406 [4]
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate [3],[11],[14] 12.52%  
Reference Rate and Spread 7.75% [3],[11],[14] 7.25% [4],[26],[27],[28]
Principal $ 2,210 [3],[11],[14] $ 0 [4],[26],[27],[28]
Cost 2,068 [3],[11],[14] (57) [4],[26],[27],[28]
Fair value $ 2,120 [3],[11],[14] $ (57) [4],[26],[27],[28]
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.61% [3],[11],[14] 12.17% [4],[26],[27]
Reference Rate and Spread 7.75% [3],[11],[14] 7.25% [4],[26],[27]
Principal $ 28,999 [3],[11],[14] $ 29,071 [4],[26],[27]
Cost 27,913 [3],[11],[14] 27,927 [4],[26],[27]
Fair value $ 27,808 [3],[11],[14] $ 27,927 [4],[26],[27]
Investment, Identifier [Axis]: Acousti Engineering Company of Florida, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 15.50% [3],[11] 13.23% [4],[27]
Reference Rate and Spread 7.50% [3],[11] 8.50% [4],[27]
Principal $ 1,678 [3],[11] $ 1,678 [4],[27]
Cost 1,670 [3],[11] 1,669 [4],[27]
Fair value $ 1,678 [3],[11] $ 1,678 [4],[27]
Investment, Identifier [Axis]: Acousti Engineering Company of Florida, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 15.50% [3],[11] 13.23% [4],[27]
Reference Rate and Spread 7.50% [3],[11] 8.50% [4],[27]
Principal $ 9,756 [3],[11] $ 9,891 [4],[27]
Cost 9,696 [3],[11] 9,825 [4],[27]
Fair value $ 9,756 [3],[11] $ 9,891 [4],[27]
Investment, Identifier [Axis]: Acousti Engineering Company of Florida, Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate 19.50% [3],[11] 16.17% [4],[27]
Reference Rate and Spread 11.50% [3],[11] 12.50% [4],[27]
Principal $ 796 [3],[11] $ 807 [4],[27]
Cost 790 [3],[11] 800 [4],[27]
Fair value $ 796 [3],[11] $ 807 [4],[27]
Investment, Identifier [Axis]: Acumera, Inc., Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 14.13% [3],[11] 13.88% [4],[27]
Reference Rate and Spread 9.50% [3],[11] 9.50% [4],[27]
Principal $ 14,618 [3],[11] $ 14,618 [4],[27]
Cost 14,308 [3],[11] 14,291 [4],[27]
Fair value $ 14,618 [3],[11] $ 14,618 [4],[27]
Investment, Identifier [Axis]: Acumera, Inc., Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 14.13% [3],[11] 13.57% [4],[27]
Reference Rate and Spread 9.50% [3],[11] 9.00% [4],[27]
Principal $ 728 [3],[11] $ 4,368 [4],[27]
Cost 710 [3],[11] 4,270 [4],[27]
Fair value $ 728 [3],[11] $ 4,368 [4],[27]
Investment, Identifier [Axis]: Acumera, Inc., Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate [3],[11] 14.13%  
Reference Rate and Spread [3],[11] 9.50%  
Principal [3],[11] $ 4,368  
Cost [3],[11] 4,275  
Fair value [3],[11] $ 4,368  
Investment, Identifier [Axis]: Acumera, Inc., Warrants    
Schedule of Investments [Line Items]    
Units (in shares) [3],[34] 21,226  
Cost [3],[34] $ 0  
Fair value [3],[34] $ 0  
Investment, Identifier [Axis]: Adams Publishing Group, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 10.00% [3],[11],[35] 10.00% [4],[27],[36]
Reference Rate and Spread 6.50% [3],[11],[35] 6.00% [4],[27],[36]
Principal $ 7,488 [3],[11],[35] $ 4,729 [4],[27],[36]
Cost 7,488 [3],[11],[35] 4,729 [4],[27],[36]
Fair value $ 7,176 [3],[11],[35] $ 4,729 [4],[27],[36]
Investment, Identifier [Axis]: Adams Publishing Group, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 10.00% [3],[11],[37] 10.00% [4],[27],[36]
Reference Rate and Spread 7.50% [3],[11],[37] 7.50% [4],[27],[36]
Principal $ 23,024 [3],[11],[37] $ 24,086 [4],[27],[36]
Cost 22,974 [3],[11],[37] 24,033 [4],[27],[36]
Fair value $ 23,024 [3],[11],[37] $ 24,086 [4],[27],[36]
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 6.00% [3],[11],[32] 6.00% [4],[27],[28]
Principal $ 0 [3],[11],[32] $ 0 [4],[27],[28]
Cost (10) [3],[11],[32] (10) [4],[27],[28]
Fair value $ (10) [3],[11],[32] $ (10) [4],[27],[28]
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 11.12% [3],[11] 11.12% [4],[27]
Reference Rate and Spread 6.00% [3],[11] 6.00% [4],[27]
Principal $ 6,600 [3],[11] $ 6,617 [4],[27]
Cost 6,552 [3],[11] 6,565 [4],[27]
Fair value $ 6,600 [3],[11] $ 6,617 [4],[27]
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 12.49% [3],[11],[14] 10.46% [4],[26],[27]
Reference Rate and Spread 6.75% [3],[11],[14] 6.75% [4],[26],[27]
PIK Rate [3],[11],[14] 1.00%  
Principal $ 14,839 [3],[11],[14] $ 15,628 [4],[26],[27]
Cost 14,648 [3],[11],[14] 15,408 [4],[26],[27]
Fair value $ 12,721 [3],[11],[14] $ 14,606 [4],[26],[27]
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 14.49% [3],[11],[14] 12.46% [4],[26],[27]
Reference Rate and Spread 8.75% [3],[11],[14] 8.75% [4],[26],[27]
PIK Rate [3],[11],[14] 1.00%  
Principal $ 14,839 [3],[11],[14] $ 15,628 [4],[26],[27]
Cost 14,648 [3],[11],[14] 15,408 [4],[26],[27]
Fair value $ 12,684 [3],[11],[14] $ 14,654 [4],[26],[27]
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 7.50% [9],[13] 7.50% [10],[33]
Reference Rate and Spread 6.50% [9],[13] 6.50% [10],[33]
Principal $ 2,980 [9],[13] $ 2,980 [10],[33]
Cost 2,980 [9],[13] 2,980 [10],[33]
Fair value $ 153 [9],[13] $ 168 [10],[33]
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 7.50% [9],[11],[13] 7.50% [10],[27],[33]
Reference Rate and Spread 6.50% [9],[11],[13] 6.50% [10],[27],[33]
Principal $ 14,370 [9],[11],[13] $ 14,370 [10],[27],[33]
Cost 13,706 [9],[11],[13] 13,706 [10],[27],[33]
Fair value $ 736 [9],[11],[13] $ 808 [10],[27],[33]
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 1    
Schedule of Investments [Line Items]    
Units (in shares) 3,200 3,200
Total Rate 14.13% 14.13%
Cost $ 3,200 $ 3,200
Fair value $ 0 $ 0
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 2    
Schedule of Investments [Line Items]    
Units (in shares) 2,427 2,427
Cost $ 2,427 $ 2,427
Fair value $ 3,588 $ 3,504
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 10.00% [11],[32] 10.00% [27],[28]
Principal $ 0 [11],[32] $ 0 [27],[28]
Cost (2) [11],[32] (3) [27],[28]
Fair value $ (2) [11],[32] $ (3) [27],[28]
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 14.75% [11] 14.13% [27]
Reference Rate and Spread 10.00% [11] 10.00% [27]
Principal $ 4,595 [11] $ 4,665 [27]
Cost 4,495 [11] 4,545 [27]
Fair value $ 4,495 [11] $ 4,545 [27]
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Warrants    
Schedule of Investments [Line Items]    
Units (in shares) 420 [24] 420 [25]
Cost $ 316 [24] $ 316 [25]
Fair value $ 0 [24] $ 0 [25]
Investment, Identifier [Axis]: ArborWorks, LLC, Common Equity    
Schedule of Investments [Line Items]    
Units (in shares) 234 [3] 234 [4]
Cost $ 234 [3] $ 234 [4]
Fair value $ 0 [3] $ 0 [4]
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 14.83% [3],[11],[14] 13.41% [4],[27]
Reference Rate and Spread 7.00% [3],[11],[14] 9.00% [4],[27]
Principal $ 4,678 [3],[11],[14] $ 4,678 [4],[27]
Cost 4,576 [3],[11],[14] 4,569 [4],[27]
Fair value $ 3,768 [3],[11],[14] $ 3,945 [4],[27]
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 14.83% [3],[11],[14] 13.56% [4],[27]
Reference Rate and Spread 7.00% [3],[11],[14] 9.00% [4],[27]
Principal $ 29,494 [3],[11],[14] $ 29,722 [4],[27]
Cost 29,067 [3],[11],[14] 29,261 [4],[27]
Fair value $ 23,755 [3],[11],[14] $ 25,065 [4],[27]
Investment, Identifier [Axis]: Archer Systems, LLC, Common Stock    
Schedule of Investments [Line Items]    
Units (in shares) 1,387,832 [3] 1,387,832 [4]
Cost $ 1,388 [3] $ 1,388 [4]
Fair value $ 1,680 [3] $ 1,388 [4]
Investment, Identifier [Axis]: Archer Systems, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 6.00% [3],[11],[14],[32] 6.50% [4],[26],[27],[28]
Principal $ 0 [3],[11],[14],[32] $ 0 [4],[26],[27],[28]
Cost (127) [3],[11],[14],[32] (135) [4],[26],[27],[28]
Fair value $ (127) [3],[11],[14],[32] $ (135) [4],[26],[27],[28]
Investment, Identifier [Axis]: Archer Systems, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 10.72% [3],[11],[14] 10.92% [4],[26],[27]
Reference Rate and Spread 6.00% [3],[11],[14] 6.50% [4],[26],[27]
Principal $ 65,171 [3],[11],[14] $ 67,597 [4],[26],[27]
Cost 63,985 [3],[11],[14] 66,330 [4],[26],[27]
Fair value $ 63,551 [3],[11],[14] $ 66,511 [4],[26],[27]
Investment, Identifier [Axis]: Arrow International, Inc, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 13.15% [3],[11],[38] 10.36% [4],[26],[27],[39]
Reference Rate and Spread 5.40% [3],[11],[38] 6.60% [4],[26],[27],[39]
Principal $ 36,000 [3],[11],[38] $ 36,000 [4],[26],[27],[39]
Cost 35,759 [3],[11],[38] 35,737 [4],[26],[27],[39]
Fair value $ 36,000 [3],[11],[38] $ 36,000 [4],[26],[27],[39]
Investment, Identifier [Axis]: BBB Tank Services, LLC, Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 800,000 800,000
Cost $ 800 $ 800
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 $ 162 $ 162
Fair value $ 0 $ 0
Investment, Identifier [Axis]: BBB Tank Services, LLC, Unsecured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 15.66% [11],[12] 15.12% [27],[40]
Reference Rate and Spread 11.00% [11],[12] 11.00% [27],[40]
Principal $ 800 [11],[12] $ 800 [27],[40]
Cost 800 [11],[12] 800 [27],[40]
Fair value $ 800 [11],[12] $ 800 [27],[40]
Investment, Identifier [Axis]: BBB Tank Services, LLC, Unsecured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 15.66% [11],[12] 15.12% [27],[40]
Reference Rate and Spread 11.00% [11],[12] 11.00% [27],[40]
Principal $ 4,000 [11],[12] $ 4,000 [27],[40]
Cost 4,000 [11],[12] 4,000 [27],[40]
Fair value $ 2,086 [11],[12] $ 2,086 [27],[40]
Investment, Identifier [Axis]: Barfly Ventures, LLC, Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 37 [3] 37 [4]
Cost $ 1,584 [3] $ 1,584 [4]
Fair value $ 3,037 [3] $ 3,320 [4]
Investment, Identifier [Axis]: Barfly Ventures, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 7.00% [3] 7.00% [4]
Principal $ 711 [3] $ 711 [4]
Cost 711 [3] 711 [4]
Fair value $ 711 [3] $ 711 [4]
Investment, Identifier [Axis]: Batjer TopCo, LLC, Preferred Stock    
Schedule of Investments [Line Items]    
Units (in shares) 4,073 [30] 4,073 [31]
Cost $ 4,095 [30] $ 4,095 [31]
Fair value 6,150 [30] 4,095 [31]
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Principal 0 [32] 0 [28]
Cost (7) [32] (8) [28]
Fair value $ (7) [32] (8) [28]
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 11.00%  
Principal $ 10,575 0 [28]
Cost 10,492 0 [28]
Fair value $ 10,492 $ 0 [28]
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate 11.00% 11.00%
Principal   $ 11,025
Cost   10,933
Fair value   $ 10,933
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units 1    
Schedule of Investments [Line Items]    
Units (in shares) 1,548,387 [3],[30],[41] 1,548,387 [4],[31],[42]
Total Rate 8.00% [3],[30],[41] 8.00% [4],[31],[42]
PIK Rate 8.00% [3],[30],[41] 8.00% [4],[31],[42]
Cost $ 1,184 [3],[30],[41] $ 1,161 [4],[31],[42]
Fair value $ 5,544 [3],[30],[41] $ 4,561 [4],[31],[42]
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units 2    
Schedule of Investments [Line Items]    
Units (in shares) 122,416 [3],[30],[32],[41] 122,416 [4],[28],[31],[42]
PIK Rate 16.00% [3],[30],[32],[41] 16.00% [4],[28],[31],[42]
Cost $ 0 [3],[30],[32],[41] $ 0 [4],[28],[31],[42]
Fair value $ 340 [3],[30],[32],[41] $ 270 [4],[28],[31],[42]
Investment, Identifier [Axis]: Berry Aviation, Inc., Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 12.00% [3] 12.00% [4]
PIK Rate 1.50% [3] 1.50% [4]
Principal $ 197 [3] $ 195 [4]
Cost 197 [3] 195 [4]
Fair value $ 197 [3] $ 195 [4]
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 7.00% [3],[11],[14],[32] 1.00% [4],[26],[27],[28]
PIK Rate 6.00% [3],[11],[14],[32] 6.00% [4],[26],[27],[28]
Principal $ 0 [3],[11],[14],[32] $ 0 [4],[26],[27],[28]
Cost (72) [3],[11],[14],[32] (76) [4],[26],[27],[28]
Fair value $ (72) [3],[11],[14],[32] $ (76) [4],[26],[27],[28]
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 11.89% [3],[11],[14] 11.40% [4],[26],[27]
Reference Rate and Spread 7.00% [3],[11],[14] 1.00% [4],[26],[27]
PIK Rate 6.00% [3],[11],[14] 6.00% [4],[26],[27]
Principal $ 27,919 [3],[11],[14] $ 27,505 [4],[26],[27]
Cost 27,456 [3],[11],[14] 27,020 [4],[26],[27]
Fair value $ 27,919 [3],[11],[14] $ 27,505 [4],[26],[27]
Investment, Identifier [Axis]: Binswanger Enterprises, LLC, Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 1,050,000 [3] 1,050,000 [4]
Cost $ 1,050 [3] $ 1,050 [4]
Fair value $ 230 [3] $ 420 [4]
Investment, Identifier [Axis]: Bluestem Brands, Inc., Common Stock    
Schedule of Investments [Line Items]    
Units (in shares) 723,184 [9],[30] 723,184 [10],[31]
Cost $ 1 [9],[30] $ 1 [10],[31]
Fair value $ 3,070 [9],[30] $ 4,860 [10],[31]
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate [9],[11] 15.50%  
Reference Rate and Spread 7.50% [9],[11] 8.50% [10],[27],[28]
PIK Rate [9],[11] 14.50%  
Principal $ 1,211 [9],[11] $ 0 [10],[27],[28]
Cost 1,211 [9],[11] 0 [10],[27],[28]
Fair value $ 1,139 [9],[11] $ 0 [10],[27],[28]
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 13.07% [9],[11] 12.94% [10],[27]
Reference Rate and Spread 8.50% [9],[11] 8.50% [10],[27]
PIK Rate [9],[11] 12.07%  
Principal $ 3,309 [9],[11] $ 3,239 [10],[27]
Cost 2,440 [9],[11] 2,280 [10],[27]
Fair value $ 3,111 [9],[11] $ 3,139 [10],[27]
Investment, Identifier [Axis]: Bluestem Brands, Inc., Warrants    
Schedule of Investments [Line Items]    
Units (in shares) 163,295 [9],[24] 163,295 [10],[25]
Cost $ 1,036 [9],[24] $ 1,036 [10],[25]
Fair value $ 690 [9],[24] $ 1,095 [10],[25]
Investment, Identifier [Axis]: Boccella Precast Products LLC, Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 2,160,000 2,160,000 [31]
Cost $ 2,256 $ 2,256 [31]
Fair value $ 2,770 $ 2,970 [31]
Investment, Identifier [Axis]: Boccella Precast Products LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 10.00% 10.00%
Principal $ 320 $ 320
Cost 320 320
Fair value $ 320 $ 320
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Class B Preferred Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 140,000 [30] 140,000 [31]
Total Rate 8.00% [30] 8.00% [31]
Cost $ 14,000 [30] $ 14,000 [31]
Fair value $ 31,420 [30] $ 31,420 [31]
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 13.91% [11],[14],[43] 13.39% [26],[27],[44]
Reference Rate and Spread 9.22% [11],[14],[43] 9.26% [26],[27],[44]
Principal $ 98,535 [11],[14],[43] $ 99,194 [26],[27],[44]
Cost 97,952 [11],[14],[43] 98,576 [26],[27],[44]
Fair value $ 98,535 [11],[14],[43] $ 99,194 [26],[27],[44]
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 13.91%  
Reference Rate and Spread 9.22%  
Investment, Identifier [Axis]: Brainworks Software, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 12.50% [11],[12],[13] 12.50% [4],[27],[33],[40]
Reference Rate and Spread 9.25% [11],[12],[13] 9.25% [4],[27],[33],[40]
Principal $ 761 [11],[12],[13] $ 761 [4],[27],[33],[40]
Cost 761 [11],[12],[13] 761 [4],[27],[33],[40]
Fair value $ 761 [11],[12],[13] $ 761 [4],[27],[33],[40]
Investment, Identifier [Axis]: Brainworks Software, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.50% [11],[12],[13] 12.50% [4],[27],[33],[40]
Reference Rate and Spread 9.25% [11],[12],[13] 9.25% [4],[27],[33],[40]
Principal $ 7,056 [11],[12],[13] $ 7,056 [4],[27],[33],[40]
Cost 7,056 [11],[12],[13] 7,056 [4],[27],[33],[40]
Fair value $ 2,134 [11],[12],[13] $ 2,916 [4],[27],[33],[40]
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Preferred Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 2,950 [30] 2,950 [31]
Cost $ 4,280 [30] $ 4,280 [31]
Fair value $ 6,560 [30] $ 7,080 [31]
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 14.66% [11] 14.12% [27]
Reference Rate and Spread 10.00% [11] 10.00% [27]
Principal $ 5,840 [11] $ 5,964 [27]
Cost 5,840 [11] 5,964 [27]
Fair value $ 5,840 [11] $ 5,964 [27]
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Preferred Member Units    
Schedule of Investments [Line Items]    
Units (in shares) [30],[41] 17,742  
Cost [30],[41] $ 1,000  
Fair value [30],[41] $ 1,000  
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Preferred Member Units 2    
Schedule of Investments [Line Items]    
Units (in shares) [31],[42]   17,742
Cost [31],[42]   $ 1,000
Fair value [31],[42]   $ 1,000
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 13.00% 13.00%
Principal $ 8,813 $ 8,813
Cost 8,813 8,813
Fair value $ 8,813 $ 8,813
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 13.00% [41] 13.00% [42]
Principal $ 1,000 [41] $ 1,000 [42]
Cost 1,000 [41] 1,000 [42]
Fair value $ 1,000 [41] $ 1,000 [42]
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Warrants    
Schedule of Investments [Line Items]    
Units (in shares) 82 [24] 82 [25]
Cost $ 2,132 [24] $ 2,132 [25]
Fair value $ 4,340 [24] $ 4,340 [25]
Investment, Identifier [Axis]: Brightwood Capital Fund Investments, LP Interests (Brightwood Capital Fund III, LP)    
Schedule of Investments [Line Items]    
Units (percentage) 1.55% [5],[6],[45] 1.55% [7],[8],[31],[46]
Cost $ 7,062 [5],[6],[45] $ 7,062 [7],[8],[31],[46]
Fair value $ 4,586 [5],[6],[45] $ 4,727 [7],[8],[31],[46]
Investment, Identifier [Axis]: Brightwood Capital Fund Investments, LP Interests (Brightwood Capital Fund IV, LP)    
Schedule of Investments [Line Items]    
Units (percentage) 0.59% [5],[6],[30],[45] 0.59% [7],[8],[31],[46]
Cost $ 4,350 [5],[6],[30],[45] $ 4,350 [7],[8],[31],[46]
Fair value $ 4,664 [5],[6],[30],[45] $ 4,541 [7],[8],[31],[46]
Investment, Identifier [Axis]: Brightwood Capital Fund Investments, LP Interests (Brightwood Capital Fund V, LP)    
Schedule of Investments [Line Items]    
Units (percentage) 1.31% [5],[6],[45] 1.31% [7],[8],[46]
Cost $ 2,000 [5],[6],[45] $ 2,000 [7],[8],[46]
Fair value $ 2,280 [5],[6],[45] $ 2,229 [7],[8],[46]
Investment, Identifier [Axis]: Buca C, LLC, Preferred Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 6 6
Total Rate 6.00% 6.00%
PIK Rate 6.00% 6.00%
Cost $ 4,770 $ 4,770
Fair value $ 0 $ 0
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 12.00% 9.00%
Principal $ 16,980 $ 17,355
Cost 16,980 17,355
Fair value $ 11,962 $ 12,337
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate [3],[11] 9.83%  
Reference Rate and Spread 5.00% [3],[11] 5.00% [4],[27],[28]
Principal $ 774 [3],[11] $ 0 [4],[27],[28]
Cost 749 [3],[11] (28) [4],[27],[28]
Fair value $ 774 [3],[11] $ 0 [4],[27],[28]
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 9.63% [3],[11] 8.91% [4],[27]
Reference Rate and Spread 5.00% [3],[11] 5.00% [4],[27]
Principal $ 19,832 [3],[11] $ 19,933 [4],[27]
Cost 19,568 [3],[11] 19,656 [4],[27]
Fair value $ 19,832 [3],[11] $ 19,933 [4],[27]
Investment, Identifier [Axis]: CAI Software LLC, Preferred Equity 1    
Schedule of Investments [Line Items]    
Units (in shares) 1,788,527 1,788,527 [31]
Cost $ 1,789 $ 1,789 [31]
Fair value $ 1,789 $ 1,789 [31]
Investment, Identifier [Axis]: CAI Software LLC, Preferred Equity 2    
Schedule of Investments [Line Items]    
Units (in shares) 596,176 596,176
Cost $ 0 $ 0
Fair value $ 0 $ 0
Investment, Identifier [Axis]: CBT Nuggets, LLC, Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 416 [30] 416 [31]
Cost $ 1,300 [30] $ 1,300 [31]
Fair value $ 49,860 [30] $ 49,002 [31]
Investment, Identifier [Axis]: CMS Minerals Investments, Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 100 [30],[41] 100 [31],[42]
Cost $ 1,300 [30],[41] $ 1,304 [31],[42]
Fair value $ 1,235 [30],[41] $ 1,670 [31],[42]
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate [4],[27],[47]   11.99%
Reference Rate and Spread [4],[27],[47]   8.50%
PIK Rate [4],[27],[47]   0.01%
Principal [4],[27],[47]   $ 28,328
Cost [4],[27],[47]   28,264
Fair value [4],[27],[47]   $ 28,328
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate [3],[11] 13.14%  
Reference Rate and Spread [3],[11] 6.50%  
PIK Rate [3],[11] 2.00%  
Principal [3],[11] $ 14,373  
Cost [3],[11] 14,351  
Fair value [3],[11] $ 14,373  
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate [3],[11] 13.14%  
Reference Rate and Spread [3],[11] 6.50%  
PIK Rate [3],[11] 2.00%  
Principal [3],[11] $ 4,472  
Cost [3],[11] 4,465  
Fair value [3],[11] $ 4,472  
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate [3],[11] 13.33%  
Reference Rate and Spread [3],[11] 6.50%  
PIK Rate [3],[11] 2.00%  
Principal [3],[11] $ 5,883  
Cost [3],[11] 5,873  
Fair value [3],[11] $ 5,883  
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt 4    
Schedule of Investments [Line Items]    
Total Rate [3],[11] 13.23%  
Reference Rate and Spread [3],[11] 6.50%  
PIK Rate [3],[11] 2.00%  
Principal [3],[11] $ 1,687  
Cost [3],[11] 1,685  
Fair value [3],[11] $ 1,687  
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt 5    
Schedule of Investments [Line Items]    
Total Rate [3],[11] 13.33%  
Reference Rate and Spread [3],[11] 6.50%  
PIK Rate [3],[11] 2.00%  
Principal [3],[11] $ 2,476  
Cost [3],[11] 2,472  
Fair value [3],[11] $ 2,476  
Investment, Identifier [Axis]: Café Brazil, LLC, Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 1,233 [30] 1,233 [31]
Cost $ 1,742 [30] $ 1,742 [31]
Fair value $ 1,840 [30] $ 2,210 [31]
Investment, Identifier [Axis]: California Splendor Holdings LLC, Preferred Member Units 1    
Schedule of Investments [Line Items]    
Units (in shares) 6,157 [30] 6,157 [31]
Cost $ 10,775 [30] $ 10,775 [31]
Fair value $ 25,495 [30] $ 25,495 [31]
Investment, Identifier [Axis]: California Splendor Holdings LLC, Preferred Member Units 2    
Schedule of Investments [Line Items]    
Units (in shares) 3,671 [30] 3,671 [31]
Total Rate 15.00% [30] 15.00% [31]
PIK Rate 15.00% [30] 15.00% [31]
Cost $ 4,144 [30] $ 3,994 [31]
Fair value $ 4,144 [30] $ 3,994 [31]
Investment, Identifier [Axis]: California Splendor Holdings LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 14.88% [11] 13.75% [27]
Reference Rate and Spread 10.00% [11] 10.00% [27]
Principal $ 28,000 [11] $ 28,000 [27]
Cost 27,954 [11] 27,951 [27]
Fair value $ 28,000 [11] $ 28,000 [27]
Investment, Identifier [Axis]: Camin Cargo Control, Inc., Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 11.34% [9],[11],[14] 10.88% [10],[27]
Reference Rate and Spread 6.50% [9],[11],[14] 6.50% [10],[27]
Principal $ 15,178 [9],[11],[14] $ 15,218 [10],[27]
Cost 15,079 [9],[11],[14] 15,110 [10],[27]
Fair value $ 14,646 [9],[11],[14] $ 14,685 [10],[27]
Investment, Identifier [Axis]: Career Team Holdings, LLC, Common Stock    
Schedule of Investments [Line Items]    
Units (in shares) 450,000 450,000
Cost $ 4,500 $ 4,500
Fair value $ 4,500 $ 4,500
Investment, Identifier [Axis]: Career Team Holdings, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 6.00% [11],[32] 6.00% [27],[28]
Principal $ 0 [11],[32] $ 0 [27],[28]
Cost (9) [11],[32] (9) [27],[28]
Fair value $ (9) [11],[32] $ (9) [27],[28]
Investment, Identifier [Axis]: Career Team Holdings, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.50% 12.50%
Principal $ 20,250 $ 20,250
Cost 20,100 20,090
Fair value $ 20,100 $ 20,090
Investment, Identifier [Axis]: CaseWorthy, Inc., Common Equity    
Schedule of Investments [Line Items]    
Units (in shares) 245,926 [3] 245,926 [4]
Cost $ 246 [3] $ 246 [4]
Fair value $ 246 [3] $ 246 [4]
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 6.00% [3],[11],[32] 6.00% [4],[27],[28]
Principal $ 0 [3],[11],[32] $ 0 [4],[27],[28]
Cost (10) [3],[11],[32] (11) [4],[27],[28]
Fair value $ (10) [3],[11],[32] $ (11) [4],[27],[28]
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 10.73% [3],[11] 10.73% [4],[27]
Reference Rate and Spread 6.00% [3],[11] 6.00% [4],[27]
Principal $ 7,993 [3],[11] $ 7,993 [4],[27]
Cost 7,919 [3],[11] 7,914 [4],[27]
Fair value $ 7,919 [3],[11] $ 7,914 [4],[27]
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate 10.73% [3],[11] 10.48% [4],[27]
Reference Rate and Spread 6.00% [3],[11] 5.75% [4],[27]
Principal $ 6,133 [3],[11] $ 6,133 [4],[27]
Cost 6,083 [3],[11] 6,079 [4],[27]
Fair value $ 6,133 [3],[11] $ 6,133 [4],[27]
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Preferred Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 13,309 13,309
Cost $ 6,122 $ 6,122
Fair value $ 9,260 $ 8,700
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 9.00% [11],[32] 9.00% [27],[28]
Principal $ 0 [11],[32] $ 0 [27],[28]
Cost 0 [11],[32] 0 [27],[28]
Fair value $ 0 [11],[32] $ 0 [27],[28]
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 13.75% [11] 13.13% [27]
Reference Rate and Spread 9.00% [11] 9.00% [27]
Principal $ 15,030 [11] $ 15,030 [27]
Cost 14,960 [11] 14,954 [27]
Fair value $ 14,960 [11] $ 14,954 [27]
Investment, Identifier [Axis]: Chamberlin Holding LLC, Member Units 1    
Schedule of Investments [Line Items]    
Units (in shares) 4,347 [30] 4,347 [31]
Cost $ 11,440 [30] $ 11,440 [31]
Fair value $ 22,800 [30] $ 22,920 [31]
Investment, Identifier [Axis]: Chamberlin Holding LLC, Member Units 2    
Schedule of Investments [Line Items]    
Units (in shares) 1,047,146 [30],[41] 1,047,146 [31],[42]
Cost $ 1,773 [30],[41] $ 1,773 [31],[42]
Fair value $ 2,830 [30],[41] $ 2,710 [31],[42]
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 6.00% [11],[14],[32] 6.00% [27],[28]
Principal $ 0 [11],[14],[32] $ 0 [27],[28]
Cost 0 [11],[14],[32] 0 [27],[28]
Fair value $ 0 [11],[14],[32] $ 0 [27],[28]
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.86% [11],[14] 12.13% [27]
Reference Rate and Spread 8.00% [11],[14] 8.00% [27]
Principal $ 16,945 [11],[14] $ 16,945 [27]
Cost 16,940 [11],[14] 16,935 [27]
Fair value $ 16,945 [11],[14] $ 16,945 [27]
Investment, Identifier [Axis]: Chandler Signs Holdings, LLC, Class A Units    
Schedule of Investments [Line Items]    
Units (in shares) 1,500,000 [3] 1,500,000 [4]
Cost $ 1,500 [3] $ 1,500 [4]
Fair value $ 2,000 [3] $ 1,790 [4]
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 11.06% [3],[11],[14],[48] 10.72% [4],[26],[27],[49]
Reference Rate and Spread 6.25% [3],[11],[14],[48] 6.25% [4],[26],[27],[49]
Principal $ 1,868 [3],[11],[14],[48] $ 1,868 [4],[26],[27],[49]
Cost 1,773 [3],[11],[14],[48] 1,767 [4],[26],[27],[49]
Fair value $ 1,830 [3],[11],[14],[48] $ 1,841 [4],[26],[27],[49]
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 11.08% [3],[11],[14],[48] 10.71% [4],[26],[27],[50]
Reference Rate and Spread 6.25% [3],[11],[14],[48] 6.25% [4],[26],[27],[50]
Principal $ 38,918 [3],[11],[14],[48] $ 39,047 [4],[26],[27],[50]
Cost 38,307 [3],[11],[14],[48] 38,396 [4],[26],[27],[50]
Fair value $ 38,110 [3],[11],[14],[48] $ 38,484 [4],[26],[27],[50]
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate [3],[11],[14] 11.14%  
Reference Rate and Spread [3],[11],[14] 6.25%  
Principal [3],[11],[14] $ 4,930  
Cost [3],[11],[14] 4,804  
Fair value [3],[11],[14] $ 4,828  
Investment, Identifier [Axis]: Charps, LLC, Preferred Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 1,829 [30] 1,829 [31]
Cost $ 1,963 [30] $ 1,963 [31]
Fair value $ 13,550 [30] $ 13,340 [31]
Investment, Identifier [Axis]: Charps, LLC, Unsecured Debt    
Schedule of Investments [Line Items]    
Total Rate 10.00% 10.00%
Principal $ 5,694 $ 5,694
Cost 4,652 4,643
Fair value $ 5,694 $ 5,694
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Member Units 1    
Schedule of Investments [Line Items]    
Units (in shares) 717 [30] 717 [31]
Cost $ 7,280 [30] $ 7,280 [31]
Fair value $ 7,170 [30] $ 8,220 [31]
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Member Units 2    
Schedule of Investments [Line Items]    
Units (in shares) 800 [41] 800 [42]
Cost $ 210 [41] $ 210 [42]
Fair value $ 830 [41] $ 610 [42]
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 9.00% [11],[14],[32] 9.00% [26],[27],[28]
Principal $ 0 [11],[14],[32] $ 0 [26],[27],[28]
Cost 0 [11],[14],[32] 0 [26],[27],[28]
Fair value $ 0 [11],[14],[32] $ 0 [26],[27],[28]
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 13.79% [11],[14] 13.23% [26],[27]
Reference Rate and Spread 9.00% [11],[14] 9.00% [26],[27]
Principal $ 10,000 [11],[14] $ 10,480 [26],[27]
Cost 9,971 [11],[14] 10,440 [26],[27]
Fair value $ 9,971 [11],[14] $ 10,440 [26],[27]
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate 10.00% 10.00%
Principal $ 1,040 $ 1,049
Cost 1,031 1,039
Fair value $ 1,031 $ 1,039
Investment, Identifier [Axis]: Clarius BIGS, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 15.00% [3],[12],[13] 15.00% [4],[33],[40]
PIK Rate 15.00% [3],[12],[13] 15.00% [4],[33],[40]
Principal $ 2,696 [3],[12],[13] $ 2,712 [4],[33],[40]
Cost 2,696 [3],[12],[13] 2,712 [4],[33],[40]
Fair value $ 25 [3],[12],[13] $ 19 [4],[33],[40]
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Preferred Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 154 [30] 154 [31]
Cost $ 5,760 [30] $ 5,760 [31]
Fair value $ 25,700 [30] $ 24,637 [31]
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 10.88% [11] 9.75% [27]
Reference Rate and Spread 6.00% [11] 6.00% [27]
Principal $ 4,560 [11] $ 4,560 [27]
Cost 4,560 [11] 4,560 [27]
Fair value $ 4,560 [11] $ 4,560 [27]
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 8.00% 8.00%
Principal $ 19,274 $ 19,274
Cost 19,192 19,182
Fair value $ 19,274 $ 19,274
Investment, Identifier [Axis]: Cody Pools, Inc., Preferred Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 587 [30],[41] 587 [31],[42]
Cost $ 8,317 [30],[41] $ 8,317 [31],[42]
Fair value $ 59,150 [30],[41] $ 58,180 [31],[42]
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 15.50% [11] 15.38% [27]
Reference Rate and Spread 10.50% [11] 10.50% [27]
Principal $ 1,054 [11] $ 1,462 [27]
Cost 1,024 [11] 1,443 [27]
Fair value $ 1,054 [11] $ 1,462 [27]
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 15.50% [11] 15.38% [27]
Reference Rate and Spread 10.50% [11] 10.50% [27]
Principal $ 40,377 [11] $ 40,801 [27]
Cost 40,117 [11] 40,521 [27]
Fair value $ 40,377 [11] $ 40,801 [27]
Investment, Identifier [Axis]: Colonial Electric Company LLC, Preferred Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 17,280 17,280 [31]
Cost $ 7,680 $ 7,680 [31]
Fair value 8,200 9,160 [31]
Investment, Identifier [Axis]: Colonial Electric Company LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Principal 0 [32] 0 [28]
Cost 0 [32] 0 [28]
Fair value $ 0 [32] $ 0 [28]
Investment, Identifier [Axis]: Colonial Electric Company LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.00% 12.00%
Principal $ 22,995 $ 23,310
Cost 22,850 23,151
Fair value $ 22,850 $ 23,151
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Preferred Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 1,975 [30] 1,975 [31]
Cost $ 1,975 [30] $ 1,975 [31]
Fair value $ 18,440 [30] $ 19,830 [31]
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate [11] 13.75%  
Reference Rate and Spread [11] 9.00%  
Principal [11] $ 4,869  
Cost [11] 4,862  
Fair value [11] $ 4,869  
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 9.00% 9.00% [27],[28],[40]
Principal [27],[28],[40]   $ 0
Cost [27],[28],[40]   0
Fair value [27],[28],[40]   $ 0
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 13.75% 13.13% [27]
Reference Rate and Spread 9.00% 9.00% [27]
Principal [27]   $ 5,241
Cost [27]   5,232
Fair value [27]   $ 5,241
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 12.34% [3],[11],[51] 12.56% [4],[27],[52]
Reference Rate and Spread 7.50% [3],[11],[51] 8.00% [4],[27],[52]
Principal $ 5,000 [3],[11],[51] $ 5,000 [4],[27],[52]
Cost 4,933 [3],[11],[51] 4,928 [4],[27],[52]
Fair value $ 4,559 [3],[11],[51] $ 4,621 [4],[27],[52]
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.35% [3],[11] 12.56% [4],[27]
Reference Rate and Spread 7.50% [3],[11] 8.00% [4],[27]
Principal $ 18,588 [3],[11] $ 18,588 [4],[27]
Cost 18,334 [3],[11] 18,315 [4],[27]
Fair value $ 16,948 [3],[11] $ 17,178 [4],[27]
Investment, Identifier [Axis]: Congruent Credit Opportunities Funds, LP Interests (Congruent Credit Opportunities Fund III, LP)    
Schedule of Investments [Line Items]    
Units (percentage) 13.32% [5],[6],[30],[45] 13.32% [7],[8],[31],[46]
Cost $ 7,220 [5],[6],[30],[45] $ 8,096 [7],[8],[31],[46]
Fair value $ 6,781 [5],[6],[30],[45] $ 7,657 [7],[8],[31],[46]
Investment, Identifier [Axis]: Construction Supply Investments, LLC, Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 861,618 [3] 861,618 [4],[31]
Cost $ 3,335 [3] $ 3,335 [4],[31]
Fair value $ 23,650 [3] $ 21,165 [4],[31]
Investment, Identifier [Axis]: Copper Trail Fund Investments, LP Interests (CTMH, LP)    
Schedule of Investments [Line Items]    
Units (percentage) 38.75% [5],[6],[45] 38.75% [7],[8],[46]
Cost $ 588 [5],[6],[45] $ 588 [7],[8],[46]
Fair value $ 588 [5],[6],[45] $ 588 [7],[8],[46]
Investment, Identifier [Axis]: DMA Industries, LLC, Preferred Equity    
Schedule of Investments [Line Items]    
Units (in shares) 5,944 5,944
Cost $ 5,944 $ 5,944
Fair value $ 7,260 $ 7,260
Investment, Identifier [Axis]: DMA Industries, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 12.00% 12.00%
Principal $ 21,200 $ 21,200
Cost 21,046 21,035
Fair value $ 21,200 $ 21,200
Investment, Identifier [Axis]: DTE Enterprises, LLC, Class A Preferred Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 776,316 [3] 776,316 [4]
Total Rate 8.00% [3] 8.00% [4]
PIK Rate 8.00% [3] 8.00% [4]
Cost $ 776 [3] $ 776 [4]
Fair value $ 380 [3] $ 380 [4]
Investment, Identifier [Axis]: DTE Enterprises, LLC, Class AA Preferred Member Units (non-voting)    
Schedule of Investments [Line Items]    
Total Rate 10.00% [3],[30] 10.00% [4],[31]
PIK Rate 10.00% [3],[30] 10.00% [4],[31]
Cost $ 1,190 [3],[30] $ 1,161 [4],[31]
Fair value $ 1,190 [3],[30] $ 1,161 [4],[31]
Investment, Identifier [Axis]: DTE Enterprises, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 7.50% [3],[11],[32] 7.50% [4],[27],[28]
Principal $ 0 [3],[11],[32] $ 0 [4],[27],[28]
Cost 0 [3],[11],[32] (1) [4],[27],[28]
Fair value $ 0 [3],[11],[32] $ (1) [4],[27],[28]
Investment, Identifier [Axis]: DTE Enterprises, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.44% [3],[11] 12.24% [4],[27]
Reference Rate and Spread 7.50% [3],[11] 7.50% [4],[27]
Principal $ 5,634 [3],[11] $ 6,074 [4],[27]
Cost 5,632 [3],[11] 6,065 [4],[27]
Fair value $ 5,634 [3],[11] $ 5,934 [4],[27]
Investment, Identifier [Axis]: Dalton US Inc., Common Stock    
Schedule of Investments [Line Items]    
Units (in shares) 201 [3] 201 [4]
Cost $ 201 [3] $ 201 [4]
Fair value $ 201 [3] $ 201 [4]
Investment, Identifier [Axis]: Dalton US Inc., Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 12.33% [3],[11],[14],[53] 11.90% [4],[26],[27]
Reference Rate and Spread 7.50% [3],[11],[14],[53] 8.00% [4],[26],[27]
Principal $ 3,212 [3],[11],[14],[53] $ 1,092 [4],[26],[27]
Cost 3,003 [3],[11],[14],[53] 871 [4],[26],[27]
Fair value $ 3,129 [3],[11],[14],[53] $ 1,077 [4],[26],[27]
Investment, Identifier [Axis]: Dalton US Inc., Secured Debt 2    
Schedule of Investments [Line Items]    
Reference Rate and Spread 7.50% [3],[11],[14],[32] 8.00% [4],[26],[27],[28]
Principal $ 0 [3],[11],[14],[32] $ 0 [4],[26],[27],[28]
Cost (70) [3],[11],[14],[32] (74) [4],[26],[27],[28]
Fair value $ (70) [3],[11],[14],[32] $ (74) [4],[26],[27],[28]
Investment, Identifier [Axis]: Dalton US Inc., Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate 12.26% [3],[11],[14] 12.56% [4],[26],[27]
Reference Rate and Spread 7.50% [3],[11],[14] 8.00% [4],[26],[27]
Principal $ 14,317 [3],[11],[14] $ 14,389 [4],[26],[27]
Cost 14,068 [3],[11],[14] 14,125 [4],[26],[27]
Fair value $ 13,944 [3],[11],[14] $ 14,186 [4],[26],[27]
Investment, Identifier [Axis]: Datacom, LLC, Preferred Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 9,000 [30] 9,000 [31]
Cost $ 2,610 [30] $ 2,610 [31]
Fair value $ 2,670 [30] $ 2,670 [31]
Investment, Identifier [Axis]: Datacom, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 7.50% 7.50%
Principal $ 450 $ 223
Cost 450 223
Fair value $ 450 $ 223
Investment, Identifier [Axis]: Datacom, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 10.00% 7.50%
Principal $ 8,555 $ 8,622
Cost 8,161 8,190
Fair value $ 7,761 $ 7,789
Investment, Identifier [Axis]: Digital Products Holdings LLC, Preferred Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 3,857 [30] 3,857 [31]
Cost $ 9,501 [30] $ 9,501 [31]
Fair value $ 9,835 [30] $ 9,835 [31]
Investment, Identifier [Axis]: Digital Products Holdings LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 14.75% [11] 14.13% [27]
Reference Rate and Spread 10.00% [11] 10.00% [27]
Principal $ 15,203 [11] $ 15,533 [27]
Cost 15,203 [11] 15,523 [27]
Fair value $ 15,203 [11] $ 15,523 [27]
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Preferred Stock    
Schedule of Investments [Line Items]    
Units (in shares) 8,400 [30] 8,400 [31]
Cost $ 8,400 [30] $ 8,400 [31]
Fair value 21,700 [30] $ 22,220 [31]
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread [27],[28]   11.00%
Principal 0 [32] $ 0 [27],[28]
Cost (81) [32] (88) [27],[28]
Fair value $ 0 [32] $ 0 [27],[28]
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 14.00% 15.13% [27]
Reference Rate and Spread [27]   11.00%
Principal $ 26,876 $ 27,267 [27]
Cost 26,744 27,122 [27]
Fair value $ 26,876 $ 27,267 [27]
Investment, Identifier [Axis]: Dos Rios Partners, LP Interests (Dos Rios Partners - A, LP)    
Schedule of Investments [Line Items]    
Units (percentage) 6.43% [5],[6],[45] 6.43% [7],[8],[46]
Cost $ 2,051 [5],[6],[45] $ 2,051 [7],[8],[46]
Fair value $ 2,898 [5],[6],[45] $ 2,898 [7],[8],[46]
Investment, Identifier [Axis]: Dos Rios Partners, LP Interests (Dos Rios Partners, LP)    
Schedule of Investments [Line Items]    
Units (percentage) 20.24% [5],[6],[45] 20.24% [7],[8],[46]
Cost $ 6,459 [5],[6],[45] $ 6,459 [7],[8],[46]
Fair value $ 9,283 [5],[6],[45] $ 9,127 [7],[8],[46]
Investment, Identifier [Axis]: Dos Rios Stone Products LLC, Class A Preferred Units    
Schedule of Investments [Line Items]    
Units (in shares) 2,000,000 [3],[41] 2,000,000 [4],[42]
Cost $ 2,000 [3],[41] $ 2,000 [4],[42]
Fair value $ 1,580 [3],[41] $ 1,330 [4],[42]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Common Equity    
Schedule of Investments [Line Items]    
Units (in shares) 1,250,000 [3] 1,250,000 [4]
Cost $ 0 [3] $ 0 [4]
Fair value $ 0 [3] $ 0 [4]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Preferred Equity 1    
Schedule of Investments [Line Items]    
Units (in shares) 125,000 [3] 125,000 [4]
Cost $ 128 [3] $ 128 [4]
Fair value $ 128 [3] $ 128 [4]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Preferred Equity 2    
Schedule of Investments [Line Items]    
Units (in shares) 2,376,241 [3] 2,376,241 [4]
Cost $ 0 [3] $ 0 [4]
Fair value $ 0 [3] $ 0 [4]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 9.18% [3],[11],[14] 9.18% [4],[26],[27]
Reference Rate and Spread 4.50% [3],[11],[14] 4.50% [4],[26],[27]
PIK Rate 9.18% [3],[11],[14] 9.18% [4],[26],[27]
Principal $ 1,875 [3],[11],[14] $ 1,875 [4],[26],[27]
Cost 1,717 [3],[11],[14] 1,717 [4],[26],[27]
Fair value $ 1,717 [3],[11],[14] $ 1,717 [4],[26],[27]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 11.18% [3],[11],[14] 11.18% [4],[26],[27]
Reference Rate and Spread 6.50% [3],[11],[14] 6.50% [4],[26],[27]
PIK Rate 11.18% [3],[11],[14] 11.18% [4],[26],[27]
Principal $ 1,875 [3],[11],[14] $ 1,875 [4],[26],[27]
Cost 1,642 [3],[11],[14] 1,642 [4],[26],[27]
Fair value $ 1,642 [3],[11],[14] $ 1,642 [4],[26],[27]
Investment, Identifier [Axis]: EIG Fund Investments, LP Interests (EIG Global Private Debt Fund-A, L.P.)    
Schedule of Investments [Line Items]    
Units (in shares) 5,000,000 [5],[6],[30],[45] 5,000,000 [7],[8],[31],[46]
Cost $ 1,023 [5],[6],[30],[45] $ 1,060 [7],[8],[31],[46]
Fair value $ 976 [5],[6],[30],[45] $ 1,013 [7],[8],[31],[46]
Investment, Identifier [Axis]: EPIC Y-Grade Services, LP, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 10.96% [9],[11] 10.70% [10],[27]
Reference Rate and Spread 6.00% [9],[11] 6.00% [10],[27]
Principal $ 6,806 [9],[11] $ 6,823 [10],[27]
Cost 6,750 [9],[11] 6,764 [10],[27]
Fair value $ 5,963 [9],[11] $ 6,141 [10],[27]
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 12.95% [3],[11],[14] 11.73% [4],[27]
Reference Rate and Spread 8.00% [3],[11],[14] 7.00% [4],[27]
Principal $ 3,495 [3],[11],[14] $ 3,346 [4],[27]
Cost 3,443 [3],[11],[14] 3,290 [4],[27]
Fair value $ 3,384 [3],[11],[14] $ 3,276 [4],[27]
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.95% [3],[11],[14] 11.73% [4],[27]
Reference Rate and Spread 8.00% [3],[11],[14] 7.00% [4],[27]
Principal $ 4,989 [3],[11],[14] $ 5,021 [4],[27]
Cost 4,940 [3],[11],[14] 4,967 [4],[27]
Fair value $ 4,830 [3],[11],[14] $ 4,916 [4],[27]
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate 12.95% [3],[11],[14] 11.73% [4],[27]
Reference Rate and Spread 8.00% [3],[11],[14] 7.00% [4],[27]
Principal $ 23,305 [3],[11],[14] $ 23,456 [4],[27]
Cost 23,027 [3],[11],[14] 23,149 [4],[27]
Fair value $ 22,564 [3],[11],[14] $ 22,967 [4],[27]
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Common Stock 1    
Schedule of Investments [Line Items]    
Units (in shares) 378 378
Cost $ 7,603 $ 7,603
Fair value $ 7,603 $ 7,603
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Common Stock 2    
Schedule of Investments [Line Items]    
Units (in shares) 939 [41] 939 [42]
Cost $ 1,558 [41] $ 1,558 [42]
Fair value $ 1,558 [41] $ 1,558 [42]
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 6.00% [11],[14],[32] 6.00% [26],[27],[28]
Principal $ 0 [11],[14],[32] $ 0 [26],[27],[28]
Cost (8) [11],[14],[32] (9) [26],[27],[28]
Fair value $ (8) [11],[14],[32] $ (9) [26],[27],[28]
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.00% 12.00%
Principal $ 18,773 $ 18,773
Cost 18,604 18,594
Fair value $ 18,604 $ 18,594
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate 9.00% 9.00%
Principal $ 6,346 $ 6,357
Cost 6,284 6,294
Fair value $ 6,284 $ 6,294
Investment, Identifier [Axis]: Emerald Technologies Acquisition Co, Inc., Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 10.97% [9],[11],[14] 10.67% [10],[26],[27]
Reference Rate and Spread 6.25% [9],[11],[14] 6.25% [10],[26],[27]
Principal $ 9,199 [9],[11],[14] $ 9,258 [10],[26],[27]
Cost 9,049 [9],[11],[14] 9,099 [10],[26],[27]
Fair value $ 8,739 [9],[11],[14] $ 8,787 [10],[26],[27]
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Energy Capital Fund IX, L.P.)    
Schedule of Investments [Line Items]    
Units (percentage) [5],[6],[30],[45] 0.10%  
Total Rate [7],[8],[31],[46]   0.10%
Cost $ 3,682 [5],[6],[30],[45] $ 3,699 [7],[8],[31],[46]
Fair value $ 2,148 [5],[6],[30],[45] $ 2,019 [7],[8],[31],[46]
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Energy Capital Fund VIII Co-Investors, L.P.)    
Schedule of Investments [Line Items]    
Units (percentage) [5],[6],[30],[45] 0.38%  
Total Rate [7],[8],[31],[46]   0.38%
Cost $ 1,979 [5],[6],[30],[45] $ 1,984 [7],[8],[31],[46]
Fair value $ 950 [5],[6],[30],[45] $ 1,037 [7],[8],[31],[46]
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Energy Capital Fund VIII, L.P.)    
Schedule of Investments [Line Items]    
Units (percentage) [5],[6],[30],[45] 0.14%  
Total Rate [7],[8],[31],[46]   0.14%
Cost $ 3,565 [5],[6],[30],[45] $ 3,566 [7],[8],[31],[46]
Fair value $ 2,091 [5],[6],[30],[45] $ 2,092 [7],[8],[31],[46]
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Energy Capital Fund X, L.P.)    
Schedule of Investments [Line Items]    
Units (percentage) [5],[6],[30],[45] 0.15%  
Total Rate [7],[8],[31],[46]   0.15%
Cost $ 8,165 [5],[6],[30],[45] $ 8,236 [7],[8],[31],[46]
Fair value $ 9,362 [5],[6],[30],[45] $ 9,351 [7],[8],[31],[46]
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Flatrock Midstream Fund II, L.P.)    
Schedule of Investments [Line Items]    
Units (percentage) [5],[6],[45] 0.84%  
Total Rate [7],[8],[46]   0.84%
Cost $ 5,358 [5],[6],[45] $ 5,358 [7],[8],[46]
Fair value $ 1,688 [5],[6],[45] $ 1,688 [7],[8],[46]
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Flatrock Midstream Fund III, L.P.)    
Schedule of Investments [Line Items]    
Units (percentage) [5],[6],[30],[45] 0.25%  
Total Rate [7],[8],[31],[46]   0.25%
Cost $ 5,749 [5],[6],[30],[45] $ 6,023 [7],[8],[31],[46]
Fair value $ 6,062 [5],[6],[30],[45] $ 5,718 [7],[8],[31],[46]
Investment, Identifier [Axis]: Engineering Research & Consulting, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 11.43% [3],[11],[14] 11.68% [4],[26],[27]
Reference Rate and Spread 6.50% [3],[11],[14] 6.50% [4],[26],[27]
Principal $ 983 [3],[11],[14] $ 131 [4],[26],[27]
Cost 940 [3],[11],[14] 85 [4],[26],[27]
Fair value $ 976 [3],[11],[14] $ 131 [4],[26],[27]
Investment, Identifier [Axis]: Engineering Research & Consulting, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 11.43% [3],[11],[14] 10.92% [4],[26],[27]
Reference Rate and Spread 6.50% [3],[11],[14] 6.50% [4],[26],[27]
Principal $ 16,256 [3],[11],[14] $ 16,338 [4],[26],[27]
Cost 15,980 [3],[11],[14] 16,047 [4],[26],[27]
Fair value $ 16,138 [3],[11],[14] $ 16,338 [4],[26],[27]
Investment, Identifier [Axis]: Event Holdco, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 11.73% [3],[11],[14],[41] 10.67% [4],[27],[42]
Reference Rate and Spread 7.00% [3],[11],[14],[41] 7.00% [4],[27],[42]
Principal $ 3,692 [3],[11],[14],[41] $ 3,692 [4],[27],[42]
Cost 3,665 [3],[11],[14],[41] 3,663 [4],[27],[42]
Fair value $ 3,504 [3],[11],[14],[41] $ 3,507 [4],[27],[42]
Investment, Identifier [Axis]: Event Holdco, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 11.73% [3],[11],[14],[41] 10.67% [4],[27],[42]
Reference Rate and Spread 7.00% [3],[11],[14],[41] 7.00% [4],[27],[42]
Principal $ 44,308 [3],[11],[14],[41] $ 44,308 [4],[27],[42]
Cost 43,977 [3],[11],[14],[41] 43,955 [4],[27],[42]
Fair value $ 42,045 [3],[11],[14],[41] $ 42,083 [4],[27],[42]
Investment, Identifier [Axis]: Flame King Holdings, LLC, Preferred Equity    
Schedule of Investments [Line Items]    
Units (in shares) 9,360 [30] 9,360 [31]
Cost $ 10,400 [30] $ 10,400 [31]
Fair value $ 21,190 [30] $ 17,580 [31]
Investment, Identifier [Axis]: Flame King Holdings, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 11.25% [11] 10.75% [27]
Reference Rate and Spread 6.50% [11] 6.50% [27]
Principal $ 7,600 [11] $ 7,600 [27]
Cost 7,544 [11] 7,537 [27]
Fair value $ 7,600 [11] $ 7,600 [27]
Investment, Identifier [Axis]: Flame King Holdings, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 13.75% [11] 13.25% [27]
Reference Rate and Spread 9.00% [11] 9.00% [27]
Principal $ 21,200 [11] $ 21,200 [27]
Cost 21,048 [11] 21,038 [27]
Fair value $ 21,200 [11] $ 21,200 [27]
Investment, Identifier [Axis]: Flip Electronics LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 12.55% [3],[11],[14] 11.21% [4],[26],[27]
Reference Rate and Spread 7.50% [3],[11],[14] 7.50% [4],[26],[27]
Principal $ 982 [3],[11],[14] $ 736 [4],[26],[27]
Cost 982 [3],[11],[14] 736 [4],[26],[27]
Fair value $ 982 [3],[11],[14] $ 736 [4],[26],[27]
Investment, Identifier [Axis]: Flip Electronics LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.55% [3],[11],[14] 12.19% [4],[26],[27]
Reference Rate and Spread 7.50% [3],[11],[14] 7.50% [4],[26],[27]
Principal $ 11,095 [3],[11],[14] $ 11,095 [4],[26],[27]
Cost 10,872 [3],[11],[14] 10,852 [4],[26],[27]
Fair value $ 11,095 [3],[11],[14] $ 11,095 [4],[26],[27]
Investment, Identifier [Axis]: Freeport Financial Funds, LP Interests (Freeport Financial SBIC Fund LP)    
Schedule of Investments [Line Items]    
Units (percentage) 9.30% [5],[6],[45] 9.30% [7],[8],[46]
Cost $ 3,507 [5],[6],[45] $ 3,507 [7],[8],[46]
Fair value $ 3,483 [5],[6],[45] $ 3,483 [7],[8],[46]
Investment, Identifier [Axis]: Freeport Financial Funds, LP Interests (Freeport First Lien Loan Fund III LP)    
Schedule of Investments [Line Items]    
Units (percentage) 5.95% [5],[6],[30],[45] 5.95% [7],[8],[31],[46]
Cost $ 5,767 [5],[6],[30],[45] $ 6,303 [7],[8],[31],[46]
Fair value $ 5,312 [5],[6],[30],[45] $ 5,848 [7],[8],[31],[46]
Investment, Identifier [Axis]: Fuse, LLC, Common Stock    
Schedule of Investments [Line Items]    
Units (in shares) 10,429 [9] 10,429 [10]
Cost $ 256 [9] $ 256 [10]
Fair value $ 0 [9] $ 0 [10]
Investment, Identifier [Axis]: Fuse, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 12.00% [9] 12.00% [10]
Principal $ 1,810 [9] $ 1,810 [10]
Cost 1,810 [9] 1,810 [10]
Fair value $ 1,512 [9] $ 1,512 [10]
Investment, Identifier [Axis]: GFG Group, LLC., Preferred Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 226 [30] 226 [31]
Cost $ 4,900 [30] $ 4,900 [31]
Fair value $ 7,590 [30] $ 7,140 [31]
Investment, Identifier [Axis]: GFG Group, LLC., Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 9.00% 9.00%
Principal $ 11,345 $ 11,345
Cost 11,275 11,269
Fair value $ 11,345 $ 11,345
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Member Units    
Schedule of Investments [Line Items]    
Units (in shares) [31]   5,879
Cost [31]   $ 13,065
Fair value [31]   $ 44,440
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Member Units 2    
Schedule of Investments [Line Items]    
Units (in shares) [30] 5,879  
Cost [30] $ 13,065  
Fair value [30] $ 44,440  
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 $ 965 $ 670
Cost 965 670
Fair value $ 965 $ 670
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 $ 40,493 $ 40,493
Cost 40,324 40,313
Fair value $ 40,493 $ 40,493
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 11.46% [3],[11] 11.20% [4],[27]
Reference Rate and Spread 6.50% [3],[11] 6.50% [4],[27]
Principal $ 1,136 [3],[11] $ 2,177 [4],[27]
Cost 1,129 [3],[11] 2,169 [4],[27]
Fair value $ 1,132 [3],[11] $ 2,171 [4],[27]
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 11.46% [3],[11] 11.24% [4],[27]
Reference Rate and Spread 6.50% [3],[11] 6.50% [4],[27]
Principal $ 10,707 [3],[11] $ 10,734 [4],[27]
Cost 10,673 [3],[11] 10,695 [4],[27]
Fair value $ 10,683 [3],[11] $ 10,705 [4],[27]
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 10.99% [3],[11],[14],[54] 10.42% [4],[26],[27]
Reference Rate and Spread 6.00% [3],[11],[14],[54] 6.00% [4],[26],[27]
Principal $ 353 [3],[11],[14],[54] $ 252 [4],[26],[27]
Cost 335 [3],[11],[14],[54] 233 [4],[26],[27]
Fair value $ 353 [3],[11],[14],[54] $ 252 [4],[26],[27]
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate [3],[11],[14] 11.11%  
Reference Rate and Spread 6.00% [3],[11],[14] 6.00% [4],[26],[27],[28]
Principal $ 303 [3],[11],[14] $ 0 [4],[26],[27],[28]
Cost 286 [3],[11],[14] (15) [4],[26],[27],[28]
Fair value $ 286 [3],[11],[14] $ (15) [4],[26],[27],[28]
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC, Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate 10.58% [3],[11],[14] 10.73% [4],[26],[27]
Reference Rate and Spread 6.00% [3],[11],[14] 6.00% [4],[26],[27]
Principal $ 3,642 [3],[11],[14] $ 3,661 [4],[26],[27]
Cost 3,576 [3],[11],[14] 3,591 [4],[26],[27]
Fair value $ 3,642 [3],[11],[14] $ 3,661 [4],[26],[27]
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 9,042 [30] 9,042 [31]
Cost $ 17,692 [30] $ 17,692 [31]
Fair value $ 59,370 [30] $ 50,890 [31]
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 8.50% [11],[14],[32] 8.50% [26],[27],[28]
Principal $ 0 [11],[14],[32] $ 0 [26],[27],[28]
Cost 0 [11],[14],[32] 0 [26],[27],[28]
Fair value $ 0 [11],[14],[32] $ 0 [26],[27],[28]
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 11.50% [11],[14],[55] 11.50% [26],[27]
Reference Rate and Spread 8.50% [11],[14],[55] 8.50% [26],[27]
Principal $ 63,278 [11],[14],[55] $ 64,078 [26],[27]
Cost 62,909 [11],[14],[55] 63,685 [26],[27]
Fair value $ 63,278 [11],[14],[55] $ 64,078 [26],[27]
Investment, Identifier [Axis]: Garreco, LLC, Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 1,200 [30] 1,200 [31]
Cost $ 1,200 [30] $ 1,200 [31]
Fair value $ 1,580 [30] $ 1,800 [31]
Investment, Identifier [Axis]: Garreco, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 12.00% [11],[56] 9.50% [27],[57]
Reference Rate and Spread 10.00% [11],[56] 8.00% [27],[57]
Principal $ 3,549 [11],[56] $ 3,826 [27],[57]
Cost 3,549 [11],[56] 3,826 [27],[57]
Fair value $ 3,549 [11],[56] $ 3,826 [27],[57]
Investment, Identifier [Axis]: GeoStabilization International (GSI), Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 10.17% [9],[14] 9.44% [10],[26]
Reference Rate and Spread 5.25% [9],[14] 5.25% [10],[26]
Principal $ 20,444 [9],[14] $ 20,497 [10],[26]
Cost 20,379 [9],[14] 20,427 [10],[26]
Fair value $ 19,319 [9],[14] $ 19,472 [10],[26]
Investment, Identifier [Axis]: Gulf Manufacturing, LLC, Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 438 [30] 438 [31]
Cost $ 2,980 [30] $ 2,980 [31]
Fair value $ 7,370 [30] $ 6,790 [31]
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 3,681 3,681
Cost $ 3,681 $ 3,681
Fair value $ 0 $ 0
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Preferred Equity    
Schedule of Investments [Line Items]    
Units (in shares) 63,720 63,720
Cost $ 5,600 $ 5,600
Fair value $ 3,780 $ 3,780
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 9.50% [11],[32] 9.50% [27],[28]
Principal $ 0 [11],[32] $ 0 [27],[28]
Cost 0 [11],[32] 0 [27],[28]
Fair value $ 0 [11],[32] $ 0 [27],[28]
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.50% 12.50%
Principal $ 2,400 $ 2,400
Cost 2,400 2,400
Fair value $ 2,284 $ 2,284
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 14.34% [3],[11],[14] 14.34% [4],[26],[27]
Reference Rate and Spread 9.50% [3],[11],[14] 9.50% [4],[26],[27]
PIK Rate 14.34% [3],[11],[14] 2.00% [4],[26],[27]
Principal $ 332 [3],[11],[14] $ 320 [4],[26],[27]
Cost 331 [3],[11],[14] 319 [4],[26],[27]
Fair value $ 324 [3],[11],[14] $ 311 [4],[26],[27]
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 14.34% [3],[11],[14] 14.34% [4],[26],[27]
Reference Rate and Spread 9.50% [3],[11],[14] 9.50% [4],[26],[27]
PIK Rate 14.34% [3],[11],[14] 2.00% [4],[26],[27]
Principal $ 3,394 [3],[11],[14] $ 3,277 [4],[26],[27]
Cost 3,384 [3],[11],[14] 3,262 [4],[26],[27]
Fair value $ 3,308 [3],[11],[14] $ 3,186 [4],[26],[27]
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 6.50% [3],[11],[14],[32] 6.50% [4],[26],[27],[28]
Principal $ 0 [3],[11],[14],[32] $ 0 [4],[26],[27],[28]
Cost (59) [3],[11],[14],[32] (62) [4],[26],[27],[28]
Fair value $ (59) [3],[11],[14],[32] $ (62) [4],[26],[27],[28]
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Reference Rate and Spread 6.50% [3],[11],[14],[32] 6.50% [4],[26],[27],[28]
Principal $ 0 [3],[11],[14],[32] $ 0 [4],[26],[27],[28]
Cost (59) [3],[11],[14],[32] (62) [4],[26],[27],[28]
Fair value $ (59) [3],[11],[14],[32] $ (62) [4],[26],[27],[28]
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate 11.12% [3],[11],[14] 10.62% [4],[26],[27]
Reference Rate and Spread 6.50% [3],[11],[14] 6.50% [4],[26],[27]
Principal $ 16,748 [3],[11],[14] $ 16,791 [4],[26],[27]
Cost 16,458 [3],[11],[14] 16,483 [4],[26],[27]
Fair value $ 16,748 [3],[11],[14] $ 16,791 [4],[26],[27]
Investment, Identifier [Axis]: HOWLCO LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 10.92% [6],[9],[11],[15] 10.69% [8],[10],[16],[27]
Reference Rate and Spread 6.00% [6],[9],[11],[15] 6.00% [8],[10],[16],[27]
Principal $ 25,226 [6],[9],[11],[15] $ 25,290 [8],[10],[16],[27]
Cost 25,226 [6],[9],[11],[15] 25,290 [8],[10],[16],[27]
Fair value $ 24,317 [6],[9],[11],[15] $ 24,381 [8],[10],[16],[27]
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (2717 HPP-MS, L.P.)    
Schedule of Investments [Line Items]    
Units (percentage) 49.26% [5],[6],[45] 49.26% [7],[8],[46]
Cost $ 248 [5],[6],[45] $ 248 [7],[8],[46]
Fair value $ 248 [5],[6],[45] $ 248 [7],[8],[46]
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (2717 MH, L.P.)    
Schedule of Investments [Line Items]    
Units (percentage) 49.26% [5],[6],[30],[45] 49.26% [7],[8],[46]
Cost $ 4,027 [5],[6],[30],[45] $ 3,895 [7],[8],[46]
Fair value $ 7,009 [5],[6],[30],[45] $ 7,552 [7],[8],[46]
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (423 COR, LP)    
Schedule of Investments [Line Items]    
Units (percentage) 22.93% [5],[6],[30],[45] 22.93% [7],[8],[46]
Cost $ 1,400 [5],[6],[30],[45] $ 1,400 [7],[8],[46]
Fair value $ 1,400 [5],[6],[30],[45] $ 1,400 [7],[8],[46]
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (HPEP 3, L.P.)    
Schedule of Investments [Line Items]    
Units (percentage) 8.22% [5],[6],[45] 8.22% [7],[8],[46]
Cost $ 2,050 [5],[6],[45] $ 2,558 [7],[8],[46]
Fair value $ 3,936 [5],[6],[45] $ 4,331 [7],[8],[46]
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (HPEP 4, L.P.)    
Schedule of Investments [Line Items]    
Units (percentage) 8.71% [5],[6],[45] 8.71% [7],[8],[46]
Cost $ 2,332 [5],[6],[45] $ 2,332 [7],[8],[46]
Fair value $ 2,332 [5],[6],[45] $ 2,332 [7],[8],[46]
Investment, Identifier [Axis]: Harrison Hydra-Gen, Ltd., Common Stock    
Schedule of Investments [Line Items]    
Units (in shares) 107,456 107,456
Cost $ 718 $ 718
Fair value $ 3,490 $ 3,280
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Preferred Member Units 1    
Schedule of Investments [Line Items]    
Units (in shares) 226 [30] 226 [31]
Cost $ 2,850 [30] $ 2,850 [31]
Fair value $ 17,460 [30] $ 17,460 [31]
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Preferred Member Units 2    
Schedule of Investments [Line Items]    
Units (in shares) 226 [41] 226 [42]
Cost $ 150 [41] $ 150 [42]
Fair value $ 920 [41] $ 920 [42]
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 10.75% [11] 10.13% [27]
Reference Rate and Spread 6.00% [11] 6.00% [27]
Principal $ 4,000 [11] $ 3,185 [27]
Cost 3,998 [11] 3,183 [27]
Fair value $ 4,000 [11] $ 3,185 [27]
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 10.00% 9.00%
Principal $ 37,800 $ 37,800
Cost 37,694 37,685
Fair value $ 37,800 $ 37,800
Investment, Identifier [Axis]: Heartland Dental, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 11.34% [3],[11] 10.88% [4],[27]
Reference Rate and Spread 6.50% [3],[11] 6.50% [4],[27]
Principal $ 14,588 [3],[11] $ 14,663 [4],[27]
Cost 14,381 [3],[11] 14,430 [4],[27]
Fair value $ 13,676 [3],[11] $ 13,599 [4],[27]
Investment, Identifier [Axis]: Houston Plating and Coatings, LLC, Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 322,297 322,297
Cost $ 2,352 $ 2,352
Fair value $ 3,000 $ 2,400
Investment, Identifier [Axis]: Houston Plating and Coatings, LLC, Unsecured Convertible Debt    
Schedule of Investments [Line Items]    
Total Rate 8.00% 8.00%
Principal $ 3,000 $ 3,000
Cost 3,000 3,000
Fair value $ 2,830 $ 3,000
Investment, Identifier [Axis]: Hybrid Promotions, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 13.10% [3],[11],[14] 12.07% [4],[26]
Reference Rate and Spread 8.25% [3],[11],[14] 8.25% [4],[26]
Principal $ 7,088 [3],[11],[14] $ 7,088 [4],[26]
Cost 6,993 [3],[11],[14] 6,986 [4],[26]
Fair value $ 5,822 [3],[11],[14] $ 6,144 [4],[26]
Investment, Identifier [Axis]: I-45 SLF LLC, Member Units (Fully diluted 20.0%; 21.75% profits interest)    
Schedule of Investments [Line Items]    
Units (percentage) [5],[6],[30] 20.00%  
Total Rate [7],[8],[31]   20.00%
Cost $ 20,200 [5],[6],[30] $ 19,000 [7],[8],[31]
Fair value $ 12,958 [5],[6],[30] $ 11,758 [7],[8],[31]
Diluted, percentage 20.00% [5],[6] 20.00% [7],[8]
Profits, percentage 21.75% [5],[6] 21.75% [7],[8]
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate [10],[26],[27],[58]   10.17%
Reference Rate and Spread [10],[26],[27],[58]   5.75%
Principal [10],[26],[27],[58]   $ 698
Cost [10],[26],[27],[58]   670
Fair value [10],[26],[27],[58]   $ 698
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate [10],[26],[27]   10.17%
Reference Rate and Spread 5.75% [9],[11],[14],[32] 5.75% [10],[26],[27]
Principal $ 0 [9],[11],[14],[32] $ 14,499 [10],[26],[27]
Cost (26) [9],[11],[14],[32] 14,304 [10],[26],[27]
Fair value $ 0 [9],[11],[14],[32] $ 14,499 [10],[26],[27]
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate [9],[11],[14] 10.59%  
Reference Rate and Spread [9],[11],[14] 5.75%  
Principal [9],[11],[14] $ 14,475  
Cost [9],[11],[14] 14,289  
Fair value [9],[11],[14] $ 14,320  
Investment, Identifier [Axis]: INW Manufacturing, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 10.48% [9],[11] 10.48% [10],[27]
Reference Rate and Spread 5.75% [9],[11] 5.75% [10],[27]
Principal $ 6,938 [9],[11] $ 7,125 [10],[27]
Cost 6,794 [9],[11] 6,968 [10],[27]
Fair value $ 5,978 [9],[11] $ 6,092 [10],[27]
Investment, Identifier [Axis]: Implus Footcare, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 13.99% [3],[11],[14] 13.98% [4],[27]
Reference Rate and Spread 7.75% [3],[11],[14] 7.75% [4],[27]
PIK Rate 1.50% [3],[11],[14] 1.50% [4],[27]
Principal $ 18,568 [3],[11],[14] $ 18,515 [4],[27]
Cost 18,461 [3],[11],[14] 18,384 [4],[27]
Fair value $ 16,895 [3],[11],[14] $ 17,464 [4],[27]
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 1,558,333 [3] 1,558,333 [4]
Cost $ 1,558 [3] $ 1,558 [4]
Fair value $ 0 [3] $ 0 [4]
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Preferred Stock (non-voting) 1    
Schedule of Investments [Line Items]    
Total Rate 6.00% [3] 6.00% [4]
PIK Rate 6.00% [3] 6.00% [4]
Cost $ 3,235 [3] $ 3,235 [4]
Fair value 0 [3] 0 [4]
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Preferred Stock (non-voting) 2    
Schedule of Investments [Line Items]    
Cost 0 [3] 0 [4]
Fair value $ 0 [3] $ 0 [4]
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 15.25% [3],[11] 13.00% [4],[27],[59]
Reference Rate and Spread 7.50% [3],[11] 5.50% [4],[27],[59]
PIK Rate 15.25% [3],[11] 13.00% [4],[27],[59]
Principal $ 7,294 [3],[11] $ 7,027 [4],[27],[59]
Cost 7,294 [3],[11] 7,027 [4],[27],[59]
Fair value $ 7,294 [3],[11] $ 7,027 [4],[27],[59]
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 6.00% [3],[13] 6.00% [4],[33]
PIK Rate 6.00% [3],[13] 6.00% [4],[33]
Principal $ 18,428 [3],[13] $ 18,428 [4],[33]
Cost 17,664 [3],[13] 17,664 [4],[33]
Fair value $ 6,010 [3],[13] $ 7,633 [4],[33]
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate 14.95% [3],[14] 14.42% [4],[26]
Reference Rate and Spread 10.00% [3],[14] 10.00% [4],[26]
PIK Rate 14.95% [3],[14] 14.42% [4],[26]
Principal $ 2,378 [3],[14] $ 806 [4],[26]
Cost 2,358 [3],[14] 769 [4],[26]
Fair value $ 2,303 [3],[14] $ 769 [4],[26]
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Secured Debt 4    
Schedule of Investments [Line Items]    
Total Rate [3],[14] 14.66%  
Reference Rate and Spread [3],[14] 10.00%  
PIK Rate [3],[14] 14.66%  
Principal [3],[14] $ 2,474  
Cost [3],[14] 2,424  
Fair value [3],[14] $ 2,397  
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Warrants    
Schedule of Investments [Line Items]    
Units (in shares) 242,914 [3],[32],[60] 242,914 [4],[28],[61]
Cost $ 0 [3],[32],[60] $ 0 [4],[28],[61]
Fair value $ 0 [3],[32],[60] $ 0 [4],[28],[61]
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 900 [3],[41] 900 [4],[42]
Cost $ 900 [3],[41] $ 900 [4],[42]
Fair value $ 600 [3],[41] $ 600 [4],[42]
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Preferred Member Units 1    
Schedule of Investments [Line Items]    
Units (in shares) 144 [3],[30],[41] 144 [4],[31],[42]
Total Rate 10.00% [3],[30],[41] 10.00% [4],[31],[42]
PIK Rate 10.00% [3],[30],[41] 10.00% [4],[31],[42]
Cost $ 131 [3],[30],[41] $ 129 [4],[31],[42]
Fair value $ 147 [3],[30],[41] $ 145 [4],[31],[42]
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Preferred Member Units 2    
Schedule of Investments [Line Items]    
Units (in shares) 80 [3],[30],[41] 80 [4],[31],[42]
Total Rate 20.00% [3],[30],[41] 20.00% [4],[31],[42]
PIK Rate 20.00% [3],[30],[41] 20.00% [4],[31],[42]
Cost $ 94 [3],[30],[41] $ 92 [4],[31],[42]
Fair value $ 95 [3],[30],[41] $ 93 [4],[31],[42]
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 11.50% [3],[11] 11.50% [4],[27]
Reference Rate and Spread 6.75% [3],[11] 6.75% [4],[27]
Principal $ 1,004 [3],[11] $ 463 [4],[27]
Cost 973 [3],[11] 430 [4],[27]
Fair value $ 1,004 [3],[11] $ 463 [4],[27]
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 11.50% [3],[11] 11.50% [4],[27]
Reference Rate and Spread 6.75% [3],[11] 6.75% [4],[27]
Principal $ 19,190 [3],[11] $ 19,239 [4],[27]
Cost 18,928 [3],[11] 18,956 [4],[27]
Fair value $ 19,190 [3],[11] $ 19,239 [4],[27]
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC, Preferred Equity    
Schedule of Investments [Line Items]    
Units (in shares) 80,000  
Cost $ 4,000  
Fair value $ 4,000  
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 13.00%  
Principal $ 18,000  
Cost 17,823  
Fair value $ 17,823  
Investment, Identifier [Axis]: Infolinks Media Buyco, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 5.50% [3],[11],[32] 5.50% [4],[27],[28]
Principal $ 0 [3],[11],[32] $ 0 [4],[27],[28]
Cost (17) [3],[11],[32] (19) [4],[27],[28]
Fair value $ (17) [3],[11],[32] $ (19) [4],[27],[28]
Investment, Identifier [Axis]: Infolinks Media Buyco, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 10.23% [3],[11] 10.23% [4],[27]
Reference Rate and Spread 5.50% [3],[11] 5.50% [4],[27]
Principal $ 8,593 [3],[11] $ 8,593 [4],[27]
Cost 8,469 [3],[11] 8,461 [4],[27]
Fair value $ 8,593 [3],[11] $ 8,593 [4],[27]
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Common Stock    
Schedule of Investments [Line Items]    
Units (in shares) 2,143 [3] 2,143 [4]
Cost $ 0 [3] $ 0 [4]
Fair value $ 0 [3] $ 0 [4]
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 14.76% [3] 14.22% [4],[62]
Reference Rate and Spread 10.00% [3] 10.00% [4],[62]
Principal $ 1,835 [3] $ 1,682 [4],[62]
Cost 1,835 [3] 1,682 [4],[62]
Fair value $ 1,781 [3] $ 1,682 [4],[62]
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 11.63% [3],[11],[13] 12.07% [4],[27],[33]
Reference Rate and Spread 7.00% [3],[11],[13] 7.00% [4],[27],[33]
PIK Rate 11.63% [3],[11],[13] 1.00% [4],[27],[33]
Principal $ 7,313 [3],[11],[13] $ 7,313 [4],[27],[33]
Cost 7,237 [3],[11],[13] 7,237 [4],[27],[33]
Fair value $ 1,082 [3],[11],[13] $ 1,082 [4],[27],[33]
Investment, Identifier [Axis]: Intermedia Holdings, Inc., Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 10.84% [9],[11] 10.38% [10],[27]
Reference Rate and Spread 6.00% [9],[11] 6.00% [10],[27]
Principal $ 20,414 [9],[11] $ 20,467 [10],[27]
Cost 20,370 [9],[11] 20,418 [10],[27]
Fair value $ 15,719 [9],[11] $ 15,811 [10],[27]
Investment, Identifier [Axis]: Invincible Boat Company, LLC., Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 11.32% [3],[11],[63] 10.14% [4],[27]
Reference Rate and Spread 6.50% [3],[11],[63] 6.50% [4],[27]
Principal $ 726 [3],[11],[63] $ 622 [4],[27]
Cost 722 [3],[11],[63] 618 [4],[27]
Fair value $ 726 [3],[11],[63] $ 622 [4],[27]
Investment, Identifier [Axis]: Invincible Boat Company, LLC., Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 11.23% [3],[11] 10.17% [4],[27]
Reference Rate and Spread 6.50% [3],[11] 6.50% [4],[27]
Principal $ 16,889 [3],[11] $ 16,889 [4],[27]
Cost 16,794 [3],[11] 16,784 [4],[27]
Fair value $ 16,889 [3],[11] $ 16,889 [4],[27]
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Common Stock    
Schedule of Investments [Line Items]    
Units (in shares) 203,016 179,778
Cost $ 2,756 $ 1,798
Fair value $ 2,756 $ 1,798
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 13.50% 12.50%
Principal $ 4,534 $ 4,534
Cost 4,502 4,500
Fair value $ 4,502 $ 4,500
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 13.50% 12.50%
Principal $ 3,154 $ 3,154
Cost 3,132 3,130
Fair value $ 3,132 $ 3,130
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate 13.50% 12.50%
Principal $ 8,944 $ 8,944
Cost 8,944 8,944
Fair value $ 8,944 $ 8,944
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 4    
Schedule of Investments [Line Items]    
Total Rate 13.50% 12.50%
Principal $ 19,712 $ 19,712
Cost 19,568 19,559
Fair value $ 19,568 $ 19,559
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 5    
Schedule of Investments [Line Items]    
Total Rate 13.50%  
Principal $ 11,200  
Cost 10,836  
Fair value $ 10,836  
Investment, Identifier [Axis]: Isagenix International, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 9.93% [9],[11],[13] 9.93% [10],[27],[33]
Reference Rate and Spread 7.75% [9],[11],[13] 7.75% [10],[27],[33]
Principal $ 5,053 [9],[11],[13] $ 5,053 [10],[27],[33]
Cost 5,036 [9],[11],[13] 5,038 [10],[27],[33]
Fair value $ 1,718 [9],[11],[13] $ 1,537 [10],[27],[33]
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Common Equity    
Schedule of Investments [Line Items]    
Units (in shares) 1,684,211 [3] 1,684,211 [4]
Cost $ 1,684 [3] $ 1,684 [4]
Fair value $ 2,840 [3] $ 2,840 [4]
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 6.00% [3],[11],[32] 6.00% [4],[27],[28]
Principal $ 0 [3],[11],[32] $ 0 [4],[27],[28]
Cost (126) [3],[11],[32] (135) [4],[27],[28]
Fair value $ (126) [3],[11],[32] $ (135) [4],[27],[28]
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 10.73% [3],[11] 10.73% [4],[27]
Reference Rate and Spread 6.00% [3],[11] 6.00% [4],[27]
Principal $ 36,711 [3],[11] $ 36,947 [4],[27]
Cost 36,159 [3],[11] 36,358 [4],[27]
Fair value $ 36,711 [3],[11] $ 36,947 [4],[27]
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Preferred Equity    
Schedule of Investments [Line Items]    
Units (in shares) 2,826,667 [3],[30] 2,826,667 [4],[31]
Total Rate [4],[31]   12.00%
PIK Rate [4],[31]   12.00%
Cost $ 110 [3],[30] $ 123 [4],[31]
Fair value $ 500 [3],[30] $ 623 [4],[31]
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 12.23% [3],[11] 12.23% [4],[27]
Reference Rate and Spread 7.50% [3],[11] 7.50% [4],[27]
Principal $ 488 [3],[11] $ 500 [4],[27]
Cost 473 [3],[11] 483 [4],[27]
Fair value $ 487 [3],[11] $ 500 [4],[27]
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.23% [3],[11] 12.23% [4],[27]
Reference Rate and Spread 7.50% [3],[11] 7.50% [4],[27]
Principal $ 2,027 [3],[11] $ 2,079 [4],[27]
Cost 2,027 [3],[11] 2,079 [4],[27]
Fair value $ 2,027 [3],[11] $ 2,079 [4],[27]
Investment, Identifier [Axis]: Jensen Jewelers of Idaho, LLC, Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 627 [30] 627 [27]
Cost $ 811 [30] $ 811 [27]
Fair value $ 14,850 [30] $ 14,970 [27]
Investment, Identifier [Axis]: Jensen Jewelers of Idaho, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 6.75% [32] 6.75% [28]
Principal $ 0 [32] $ 0 [28]
Cost 0 [32] 0 [28]
Fair value $ 0 [32] $ 0 [28]
Investment, Identifier [Axis]: Jensen Jewelers of Idaho, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 14.50% [11] 13.75% [27]
Reference Rate and Spread 6.75% [11] 6.75% [27]
Principal $ 2,450 [11] $ 2,450 [27]
Cost 2,446 [11] 2,444 [27]
Fair value $ 2,450 [11] $ 2,450 [27]
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Common Stock    
Schedule of Investments [Line Items]    
Units (in shares) 472,579 [9] 472,579 [10]
Cost $ 4,429 [9] $ 4,429 [10]
Fair value $ 0 [9] $ 0 [10]
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 23.04% [9],[14] 18.00% [10]
Reference Rate and Spread [9],[14] 18.00%  
PIK Rate [9],[14] 23.04%  
Principal $ 2,431 [9],[14] $ 2,297 [10]
Cost 2,431 [9],[14] 2,297 [10]
Fair value $ 2,431 [9],[14] $ 2,297 [10]
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 21.08% [9],[13],[14] 19.75% [10],[33]
Reference Rate and Spread [9],[13],[14] 16.00%  
PIK Rate 21.08% [9],[13],[14] 19.75% [10],[33]
Principal $ 4,034 [9],[13],[14] $ 4,034 [10],[33]
Cost 3,997 [9],[13],[14] 3,997 [10],[33]
Fair value $ 280 [9],[13],[14] $ 504 [10],[33]
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Preferred Equity    
Schedule of Investments [Line Items]    
Units (in shares) 3,150 [30] 3,150 [31]
Cost $ 3,150 [30] $ 3,150 [31]
Fair value $ 6,550 [30] $ 5,540 [31]
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 11.50% [11],[32] 11.50% [27],[28]
Principal $ 0 [11],[32] $ 0 [27],[28]
Cost (13) [11],[32] (14) [27],[28]
Fair value $ 0 [11],[32] $ 0 [27],[28]
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 16.25% [11] 15.63% [27]
Reference Rate and Spread 11.50% [11] 11.50% [27]
Principal $ 9,999 [11] $ 9,999 [27]
Cost 9,925 [11] 9,920 [27]
Fair value $ 9,999 [11] $ 9,999 [27]
Investment, Identifier [Axis]: JorVet Holdings, LLC, Preferred Equity    
Schedule of Investments [Line Items]    
Units (in shares) 107,406 [30] 107,406 [31]
Cost $ 10,741 [30] $ 10,741 [31]
Fair value $ 10,741 [30] $ 10,741 [31]
Investment, Identifier [Axis]: JorVet Holdings, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 12.00% 12.00%
Principal $ 25,650 $ 25,650
Cost 25,445 25,432
Fair value $ 25,445 $ 25,432
Investment, Identifier [Axis]: KBK Industries, LLC, Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 325 [30] 325 [31]
Cost $ 783 [30] $ 783 [31]
Fair value $ 11,980 [30] $ 15,570 [31]
Investment, Identifier [Axis]: KBK Industries, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 10.00%  
Principal $ 5,750  
Cost 5,694  
Fair value $ 5,750  
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 12.00% [3],[11] 12.00% [4],[27]
Reference Rate and Spread 7.25% [3],[11] 7.25% [4],[27]
Principal $ 1,053 [3],[11] $ 1,064 [4],[27]
Cost 1,011 [3],[11] 1,019 [4],[27]
Fair value $ 988 [3],[11] $ 995 [4],[27]
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.00% [3],[11] 12.00% [4],[27]
Reference Rate and Spread 7.25% [3],[11] 7.25% [4],[27]
Principal $ 7,486 [3],[11] $ 7,505 [4],[27]
Cost 7,379 [3],[11] 7,391 [4],[27]
Fair value $ 7,011 [3],[11] $ 7,022 [4],[27]
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 800 [30],[41] 800 [31],[42]
Cost $ 992 [30],[41] $ 992 [31],[42]
Fair value $ 2,780 [30],[41] $ 2,850 [31],[42]
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Preferred Equity    
Schedule of Investments [Line Items]    
Units (in shares) 581 581
Cost $ 12,240 $ 12,240
Fair value $ 7,220 $ 7,220
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 12.00% 11.50%
Principal $ 20,599 $ 20,415
Cost 20,566 20,374
Fair value $ 20,566 $ 20,374
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 9.00% 9.00%
Principal $ 3,869 $ 3,879
Cost 3,833 3,842
Fair value $ 3,833 $ 3,842
Investment, Identifier [Axis]: Kore Wireless Group Inc., Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 10.08% [9],[14] 10.08% [10],[26]
Reference Rate and Spread 5.50% [9],[14] 5.50% [10],[26]
Principal $ 11,297 [9],[14] $ 11,326 [10],[26]
Cost 11,258 [9],[14] 11,280 [10],[26]
Fair value $ 10,732 [9],[14] $ 10,930 [10],[26]
Investment, Identifier [Axis]: LKCM Headwater Investments I, L.P., LP Interests    
Schedule of Investments [Line Items]    
Units (percentage) 2.27% [5],[6],[30],[45] 2.27% [7],[8],[31],[46]
Cost $ 1,746 [5],[6],[30],[45] $ 1,746 [7],[8],[31],[46]
Fair value $ 3,284 [5],[6],[30],[45] $ 3,197 [7],[8],[31],[46]
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 12.11% [3],[11],[14] 11.21% [4],[26],[27]
Reference Rate and Spread 7.25% [3],[11],[14] 7.25% [4],[26],[27]
Principal $ 8,065 [3],[11],[14] $ 8,106 [4],[26],[27]
Cost 8,053 [3],[11],[14] 8,087 [4],[26],[27]
Fair value $ 7,969 [3],[11],[14] $ 8,047 [4],[26],[27]
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.13% [3],[11],[14],[64] 11.67% [4],[26],[27]
Reference Rate and Spread 7.25% [3],[11],[14],[64] 7.25% [4],[26],[27]
Principal $ 9,197 [3],[11],[14],[64] $ 9,197 [4],[26],[27]
Cost 9,172 [3],[11],[14],[64] 9,160 [4],[26],[27]
Fair value $ 9,087 [3],[11],[14],[64] $ 9,130 [4],[26],[27]
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate 12.09% [3],[11],[14] 11.67% [4],[26],[27]
Reference Rate and Spread 7.25% [3],[11],[14] 7.25% [4],[26],[27]
Principal $ 10,812 [3],[11],[14] $ 10,827 [4],[26],[27]
Cost 10,749 [3],[11],[14] 10,733 [4],[26],[27]
Fair value $ 10,683 [3],[11],[14] $ 10,749 [4],[26],[27]
Investment, Identifier [Axis]: LLFlex, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 13.75% [3],[11] 12.74% [4],[27]
Reference Rate and Spread 9.00% [3],[11] 9.00% [4],[27]
Principal $ 4,433 [3],[11] $ 4,444 [4],[27]
Cost 4,364 [3],[11] 4,370 [4],[27]
Fair value $ 4,081 [3],[11] $ 4,350 [4],[27]
Investment, Identifier [Axis]: Lightbox Holdings, L.P., Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 10.16% [9] 9.73% [10]
Reference Rate and Spread 5.00% [9] 5.00% [10]
Principal $ 14,438 [9] $ 14,475 [10]
Cost 14,321 [9] 14,349 [10]
Fair value $ 13,932 [9] $ 13,968 [10]
Investment, Identifier [Axis]: Logix Acquisition Company, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 10.59% [3],[11] 10.13% [4],[27]
Reference Rate and Spread 5.75% [3],[11] 5.75% [4],[27]
Principal $ 19,662 [3],[11] $ 19,662 [4],[27]
Cost 19,111 [3],[11] 19,033 [4],[27]
Fair value $ 16,098 [3],[11] $ 16,221 [4],[27]
Investment, Identifier [Axis]: Looking Glass Investments, LLC, Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 3 [5],[6] 3 [7],[8]
Cost $ 125 [5],[6] $ 125 [7],[8]
Fair value $ 25 [5],[6] $ 25 [7],[8]
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 10.72% [9],[11],[14],[29] 10.42% [10],[26],[27]
Reference Rate and Spread 6.00% [9],[11],[14],[29] 6.00% [10],[26],[27]
Principal $ 9,259 [9],[11],[14],[29] $ 8,338 [10],[26],[27]
Cost 9,184 [9],[11],[14],[29] 8,267 [10],[26],[27]
Fair value $ 9,259 [9],[11],[14],[29] $ 8,338 [10],[26],[27]
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 10.72% [9],[11],[14] 10.42% [10],[26],[27]
Reference Rate and Spread 6.00% [9],[11],[14] 6.00% [10],[26],[27]
Principal $ 7,856 [9],[11],[14] $ 7,876 [10],[26],[27]
Cost 7,770 [9],[11],[14] 7,784 [10],[26],[27]
Fair value $ 7,856 [9],[11],[14] $ 7,876 [10],[26],[27]
Investment, Identifier [Axis]: MH Corbin Holding LLC, Preferred Member Units 1    
Schedule of Investments [Line Items]    
Units (in shares) 66,000 66,000
Cost $ 4,400 $ 4,400
Fair value $ 0 $ 0
Investment, Identifier [Axis]: MH Corbin Holding LLC, Preferred Member Units 2    
Schedule of Investments [Line Items]    
Units (in shares) 4,000 4,000
Cost $ 6,000 $ 6,000
Fair value $ 0 $ 0
Investment, Identifier [Axis]: MH Corbin Holding LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 13.00% [12] 13.00%
Principal $ 6,040 [12] $ 6,156
Cost 6,040 [12] 6,156
Fair value $ 5,384 [12] $ 4,548
Investment, Identifier [Axis]: MS Private Loan Fund I, LP, LP Interests    
Schedule of Investments [Line Items]    
Units (percentage) 14.51% [5],[6],[30],[45] 14.51% [7],[8],[31],[46]
Cost $ 14,250 [5],[6],[30],[45] $ 14,250 [7],[8],[31],[46]
Fair value 14,775 [5],[6],[30],[45] 14,833 [7],[8],[31],[46]
Investment, Identifier [Axis]: MS Private Loan Fund I, LP, Secured Debt    
Schedule of Investments [Line Items]    
Principal 0 [5],[6],[32] 0 [7],[8],[28]
Cost 0 [5],[6],[32] 0 [7],[8],[28]
Fair value $ 0 [5],[6],[32] $ 0 [7],[8],[28]
Investment, Identifier [Axis]: MSC Adviser I, LLC, Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 1 [30],[65] 1 [31],[66]
Cost $ 29,500 [30],[65] $ 29,500 [31],[66]
Fair value $ 132,650 [30],[65] $ 122,930 [31],[66]
Investment, Identifier [Axis]: MSC Income Fund, Inc., Common Equity    
Schedule of Investments [Line Items]    
Units (in shares) 94,697 [5],[6],[30] 94,697 [7],[8],[31]
Cost $ 750 [5],[6],[30] $ 750 [7],[8],[31]
Fair value $ 760 [5],[6],[30] $ 753 [7],[8],[31]
Investment, Identifier [Axis]: Mako Steel, LP, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 12.30% [3],[11] 11.79% [4],[27],[67]
Reference Rate and Spread 7.25% [3],[11] 7.25% [4],[27],[67]
Principal $ 1,825 [3],[11] $ 3,103 [4],[27],[67]
Cost 1,788 [3],[11] 3,063 [4],[27],[67]
Fair value $ 1,808 [3],[11] $ 3,083 [4],[27],[67]
Investment, Identifier [Axis]: Mako Steel, LP, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.30% [3],[11] 11.09% [4],[27]
Reference Rate and Spread 7.25% [3],[11] 7.25% [4],[27]
Principal $ 15,245 [3],[11] $ 15,324 [4],[27]
Cost 15,061 [3],[11] 15,122 [4],[27]
Fair value $ 15,102 [3],[11] $ 15,224 [4],[27]
Investment, Identifier [Axis]: Market Force Information, LLC, Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 743,921 743,921
Cost $ 16,642 $ 16,642
Fair value $ 0 $ 0
Investment, Identifier [Axis]: Market Force Information, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 15.75% [11] 15.13% [27]
Reference Rate and Spread 11.00% [11] 11.00% [27]
Principal $ 6,900 [11] $ 6,275 [27]
Cost 6,888 [11] 6,253 [27]
Fair value $ 0 [11] $ 6,090 [27]
Investment, Identifier [Axis]: Market Force Information, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.00% [13] 12.00% [33]
PIK Rate 12.00% [13] 12.00% [33]
Principal $ 26,079 [13] $ 26,079 [33]
Cost 25,952 [13] 25,952 [33]
Fair value $ 0 [13] $ 1,610 [33]
Investment, Identifier [Axis]: MetalForming AcquireCo, LLC, Common Stock    
Schedule of Investments [Line Items]    
Units (in shares) 1,537,219 [30] 1,537,219
Cost $ 1,537 [30] $ 1,537
Fair value $ 1,537 [30] $ 1,537
Investment, Identifier [Axis]: MetalForming AcquireCo, LLC, Preferred Equity    
Schedule of Investments [Line Items]    
Units (in shares) 5,915,585 [30] 5,915,585 [31]
Total Rate 8.00% [30] 8.00% [31]
Reference Rate and Spread [30] 8.00%  
PIK Rate 8.00% 8.00% [31]
Cost $ 6,127 [30] $ 6,010 [31]
Fair value 6,127 [30] 6,010 [31]
Investment, Identifier [Axis]: MetalForming AcquireCo, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Principal 0 [32] 0 [28]
Cost 0 [32] 0 [28]
Fair value $ 0 [32] $ 0 [28]
Investment, Identifier [Axis]: MetalForming AcquireCo, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.75% 12.75%
Principal $ 23,802 $ 23,802
Cost 23,588 23,576
Fair value $ 23,588 $ 23,576
Investment, Identifier [Axis]: Microbe Formulas, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 6.25% [3],[11],[14],[32] 6.25% [4],[26],[27],[28]
Principal $ 0 [3],[11],[14],[32] $ 0 [4],[26],[27],[28]
Cost (60) [3],[11],[14],[32] (63) [4],[26],[27],[28]
Fair value $ (60) [3],[11],[14],[32] $ (63) [4],[26],[27],[28]
Investment, Identifier [Axis]: Microbe Formulas, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 11.09% [3],[11],[14] 9.86% [4],[26],[27]
Reference Rate and Spread 6.25% [3],[11],[14] 6.25% [4],[26],[27]
Principal $ 25,722 [3],[11],[14] $ 26,075 [4],[26],[27]
Cost 25,294 [3],[11],[14] 25,619 [4],[26],[27]
Fair value $ 24,856 [3],[11],[14] $ 25,181 [4],[26],[27]
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 11.08% [3],[11] 10.66% [4],[27]
Reference Rate and Spread 6.25% [3],[11] 6.25% [4],[27]
Principal $ 18,769 [3],[11] $ 18,769 [4],[27]
Cost 18,590 [3],[11] 18,562 [4],[27]
Fair value $ 18,366 [3],[11] $ 18,338 [4],[27]
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Common Stock    
Schedule of Investments [Line Items]    
Units (in shares) 44,445,814 [3],[6],[15] 44,445,814 [4],[8],[16]
Cost $ 889 [3],[6],[15] $ 889 [4],[8],[16]
Fair value $ 889 [3],[6],[15] $ 889 [4],[8],[16]
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate [3],[6],[11],[15] 12.11%  
Reference Rate and Spread 7.00% [3],[6],[11],[15] 7.00% [4],[8],[16],[27],[28]
Principal $ 1,930 [3],[6],[11],[15] $ 0 [4],[8],[16],[27],[28]
Cost 1,869 [3],[6],[11],[15] (64) [4],[8],[16],[27],[28]
Fair value $ 1,869 [3],[6],[11],[15] $ (64) [4],[8],[16],[27],[28]
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 11.73% [3],[6],[11],[15] 11.73% [4],[8],[16],[27]
Reference Rate and Spread 7.00% [3],[6],[11],[15] 7.00% [4],[8],[16],[27]
Principal $ 10,107 [3],[6],[11],[15] $ 10,107 [4],[8],[16],[27]
Cost 9,933 [3],[6],[11],[15] 9,923 [4],[8],[16],[27]
Fair value $ 10,892 [3],[6],[11],[15] $ 10,714 [4],[8],[16],[27]
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate 11.73% [3],[6],[11],[15] 11.73% [4],[8],[16],[27]
Reference Rate and Spread 7.00% [3],[6],[11],[15] 7.00% [4],[8],[16],[27]
Principal $ 17,038 [3],[6],[11],[15] $ 17,038 [4],[8],[16],[27]
Cost 16,763 [3],[6],[11],[15] 16,746 [4],[8],[16],[27]
Fair value $ 17,038 [3],[6],[11],[15] $ 17,038 [4],[8],[16],[27]
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Common Stock    
Schedule of Investments [Line Items]    
Units (in shares) 5,873 [30] 5,873 [31]
Cost $ 2,720 [30] $ 2,720 [31]
Fair value 25,010 [30] 22,830 [31]
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Principal 0 [32] 0 [28]
Cost 0 [32] 0 [28]
Fair value $ 0 [32] $ 0 [28]
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 10.00% 10.00%
Principal $ 5,746 $ 5,746
Cost 5,746 5,746
Fair value $ 5,746 $ 5,746
Investment, Identifier [Axis]: NAPCO Precast, LLC, Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 2,955 2,955
Cost $ 2,975 $ 2,975
Fair value $ 12,500 $ 11,830
Investment, Identifier [Axis]: NBG Acquisition Inc, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 10.71% [9],[11],[13] 9.67% [10],[27]
Reference Rate and Spread 5.50% [9],[11],[13] 5.50% [10],[27]
Principal $ 3,849 [9],[11],[13] $ 3,849 [10],[27]
Cost 3,837 [9],[11],[13] 3,834 [10],[27]
Fair value $ 115 [9],[11],[13] $ 1,251 [10],[27]
Investment, Identifier [Axis]: NRP Jones, LLC, Member Units    
Schedule of Investments [Line Items]    
Units (in shares) [31]   65,962
Cost [31]   $ 3,717
Fair value [31]   $ 4,790
Investment, Identifier [Axis]: NRP Jones, LLC, Member Units 1    
Schedule of Investments [Line Items]    
Units (in shares) [30] 65,962  
Cost [30] $ 114  
Fair value [30] $ 187  
Investment, Identifier [Axis]: NRP Jones, LLC, Member Units 2    
Schedule of Investments [Line Items]    
Units (in shares) [30] 65,962  
Cost [30] $ 3,603  
Fair value [30] $ 4,893  
Investment, Identifier [Axis]: NRP Jones, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 12.00% 12.00%
Principal $ 2,080 $ 2,080
Cost 2,080 2,080
Fair value $ 2,080 $ 2,080
Investment, Identifier [Axis]: NTM Acquisition Corp., Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 13.30% [9],[11],[14] 9.50% [10],[27]
Reference Rate and Spread 7.25% [9],[11],[14] 6.25% [10],[27]
PIK Rate 1.00% [9],[11],[14] 1.00% [10],[27]
Principal $ 4,298 [9],[11],[14] $ 4,358 [10],[27]
Cost 4,298 [9],[11],[14] 4,358 [10],[27]
Fair value $ 4,126 [9],[11],[14] $ 4,228 [10],[27]
Investment, Identifier [Axis]: NWN Corporation, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 12.85% [3],[11],[14],[68] 10.85% [4],[26],[27],[69]
Reference Rate and Spread 8.00% [3],[11],[14],[68] 8.00% [4],[26],[27],[69]
Principal $ 4,963 [3],[11],[14],[68] $ 3,941 [4],[26],[27],[69]
Cost 4,829 [3],[11],[14],[68] 3,797 [4],[26],[27],[69]
Fair value $ 4,662 [3],[11],[14],[68] $ 3,720 [4],[26],[27],[69]
Investment, Identifier [Axis]: NWN Corporation, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.87% [3],[11],[14] 12.56% [4],[26],[27]
Reference Rate and Spread 8.00% [3],[11],[14] 8.00% [4],[26],[27]
Principal $ 39,642 [3],[11],[14] $ 39,851 [4],[26],[27]
Cost 38,945 [3],[11],[14] 39,094 [4],[26],[27]
Fair value $ 37,237 [3],[11],[14] $ 37,616 [4],[26],[27]
Investment, Identifier [Axis]: NWN Corporation, Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate 20.00% [3] 20.00% [4]
PIK Rate 20.00% [3] 20.00% [4]
Principal $ 6,838 [3] $ 6,509 [4]
Cost 6,545 [3] 6,194 [4]
Fair value $ 6,472 [3] $ 6,194 [4]
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC (NVS), Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 7.00%  
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC (NVS), Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.00%  
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC (NVS), Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate 12.00%  
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Preferred Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 6,987 [30] 6,987
Cost $ 6,987 [30] $ 6,987
Fair value $ 11,220 [30] $ 7,700
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 12.00%  
Reference Rate and Spread [27],[28]   7.00%
Principal $ 20,094 $ 0 [27],[28]
Cost 19,982 0 [27],[28]
Fair value $ 20,094 $ 0 [27],[28]
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.00% 12.00%
Principal $ 10,500 $ 20,094
Cost 10,440 19,972
Fair value $ 10,500 $ 20,094
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate   12.00%
Principal   $ 10,500
Cost   10,434
Fair value   $ 10,500
Investment, Identifier [Axis]: NexRev LLC, Preferred Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 103,144,186 [30] 103,144,186 [31]
Cost $ 8,213 [30] $ 8,213 [31]
Fair value 2,990 [30] 1,110 [31]
Investment, Identifier [Axis]: NexRev LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Principal 0 [32] 0 [28]
Cost 0 [32] 0 [28]
Fair value $ 0 [32] $ 0 [28]
Investment, Identifier [Axis]: NexRev LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 11.00% 11.00%
Principal $ 10,836 $ 11,465
Cost 10,727 11,335
Fair value $ 8,870 $ 8,477
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 6.25% [3],[11],[32] 6.25% [4],[27],[28]
Principal $ 0 [3],[11],[32] $ 0 [4],[27],[28]
Cost (1) [3],[11],[32] (1) [4],[27],[28]
Fair value $ 0 [3],[11],[32] $ 0 [4],[27],[28]
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Reference Rate and Spread 6.25% [3],[11],[32] 6.25% [4],[27],[28]
Principal $ 0 [3],[11],[32] $ 0 [4],[27],[28]
Cost (33) [3],[11],[32] (38) [4],[27],[28]
Fair value $ (33) [3],[11],[32] $ (38) [4],[27],[28]
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate 11.00% [3],[11] 9.99% [4],[27]
Reference Rate and Spread 6.25% [3],[11] 6.25% [4],[27]
Principal $ 21,666 [3],[11] $ 21,666 [4],[27]
Cost 21,449 [3],[11] 21,418 [4],[27]
Fair value $ 21,666 [3],[11] $ 21,666 [4],[27]
Investment, Identifier [Axis]: NuStep, LLC, Preferred Member Units 1    
Schedule of Investments [Line Items]    
Units (in shares) 406 406
Cost $ 10,200 $ 10,200
Fair value $ 7,630 $ 8,040
Investment, Identifier [Axis]: NuStep, LLC, Preferred Member Units 2    
Schedule of Investments [Line Items]    
Units (in shares) 2,062 2,062
Cost $ 2,062 $ 2,062
Fair value $ 5,150 $ 5,150
Investment, Identifier [Axis]: NuStep, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 11.25% [11] 10.63% [27]
Reference Rate and Spread 6.50% [11] 6.50% [27]
Principal $ 4,400 [11] $ 4,400 [27]
Cost 4,399 [11] 4,399 [27]
Fair value $ 4,399 [11] $ 4,399 [27]
Investment, Identifier [Axis]: NuStep, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.00% 12.00%
Principal $ 18,440 $ 18,440
Cost 18,417 18,414
Fair value $ 18,417 $ 18,414
Investment, Identifier [Axis]: OMi Topco, LLC, Preferred Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 900 [30] 900 [31]
Cost $ 1,080 [30] $ 1,080 [31]
Fair value $ 25,100 [30] $ 22,810 [31]
Investment, Identifier [Axis]: OMi Topco, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 12.00% 12.00%
Principal $ 15,000 $ 15,750
Cost 14,897 15,634
Fair value $ 15,000 $ 15,750
Investment, Identifier [Axis]: OVG Business Services, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 10.89% [3],[11] 10.64% [4],[27]
Reference Rate and Spread 6.25% [3],[11] 6.25% [4],[27]
Principal $ 13,860 [3],[11] $ 13,930 [4],[27]
Cost 13,748 [3],[11] 13,813 [4],[27]
Fair value $ 13,514 [3],[11] $ 13,094 [4],[27]
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Common Stock    
Schedule of Investments [Line Items]    
Units (in shares) 635 635
Cost $ 830 $ 830
Fair value $ 0 $ 0
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Preferred Stock    
Schedule of Investments [Line Items]    
Units (in shares) 912 912
Total Rate 7.00% 7.00%
PIK Rate 7.00% 7.00%
Cost $ 1,981 $ 1,981
Fair value $ 0 $ 0
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 12.00% [13] 12.00% [33]
PIK Rate 12.00% [13] 12.00% [33]
Principal $ 964 [13] $ 964 [33]
Cost 964 [13] 964 [33]
Fair value $ 563 [13] $ 569 [33]
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.00% [13] 12.00% [33]
PIK Rate 12.00% [13] 12.00% [33]
Principal $ 983 [13] $ 983 [33]
Cost 983 [13] 983 [33]
Fair value $ 574 [13] $ 580 [33]
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate 12.00% [13] 12.00% [33]
PIK Rate 12.00% [13] 12.00% [33]
Principal $ 2,116 [13] $ 2,116 [33]
Cost 2,116 [13] 2,116 [33]
Fair value $ 1,236 [13] $ 1,249 [33]
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 4    
Schedule of Investments [Line Items]    
Total Rate 12.00% [13] 12.00% [33]
PIK Rate 12.00% [13] 12.00% [33]
Principal $ 4,415 [13] $ 4,415 [33]
Cost 4,415 [13] 4,415 [33]
Fair value $ 2,577 [13] $ 2,606 [33]
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Unsecured Debt    
Schedule of Investments [Line Items]    
Total Rate 10.00% [13] 10.00% [33]
PIK Rate 10.00% [13] 10.00% [33]
Principal $ 305 [13] $ 305 [33]
Cost 305 [13] 305 [33]
Fair value $ 305 [13] $ 305 [33]
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Warrants    
Schedule of Investments [Line Items]    
Units (in shares) 4,699 [24] 4,699 [25]
Cost $ 1,089 [24] $ 1,089 [25]
Fair value $ 0 [24] $ 0 [25]
Investment, Identifier [Axis]: Oneliance, LLC, Preferred Stock    
Schedule of Investments [Line Items]    
Units (in shares) 1,056 1,056
Cost $ 1,056 $ 1,056
Fair value $ 1,056 $ 1,056
Investment, Identifier [Axis]: Oneliance, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 11.00% 11.00% [27],[28]
PIK Rate [11],[32] 11.00%  
Principal $ 0 [11],[32] $ 0 [27],[28]
Cost 0 [11],[32] 0 [27],[28]
Fair value $ 0 [11],[32] $ 0 [27],[28]
Investment, Identifier [Axis]: Oneliance, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 15.75% [11] 15.13% [27]
Reference Rate and Spread 11.00% 11.00% [27]
PIK Rate [11] 11.00%  
Principal $ 5,520 [11] $ 5,600 [27]
Cost 5,482 [11] 5,559 [27]
Fair value $ 5,482 [11] $ 5,559 [27]
Investment, Identifier [Axis]: Orttech Holdings, LLC, Preferred Stock    
Schedule of Investments [Line Items]    
Units (in shares) 10,000 [30],[41] 10,000 [31],[42]
Cost $ 10,000 [30],[41] $ 10,000 [31],[42]
Fair value $ 13,500 [30],[41] $ 11,750 [31],[42]
Investment, Identifier [Axis]: Orttech Holdings, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 11.00% [11],[32] 11.00% [27],[28]
Principal $ 0 [11],[32] $ 0 [27],[28]
Cost 0 [11],[32] 0 [27],[28]
Fair value $ 0 [11],[32] $ 0 [27],[28]
Investment, Identifier [Axis]: Orttech Holdings, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 15.75% [11] 15.13% [27]
Reference Rate and Spread 11.00% [11] 11.00% [27]
Principal $ 22,800 [11] $ 23,600 [27]
Cost 22,646 [11] 23,429 [27]
Fair value $ 22,646 [11] $ 23,429 [27]
Investment, Identifier [Axis]: Ospemifene Royalty Sub LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 11.50% [3],[13] 11.50% [4],[33]
Principal $ 4,474 [3],[13] $ 4,489 [4],[33]
Cost 4,474 [3],[13] 4,489 [4],[33]
Fair value $ 88 [3],[13] $ 103 [4],[33]
Investment, Identifier [Axis]: PPL RVs, Inc., Common Stock 1    
Schedule of Investments [Line Items]    
Units (in shares) 2,000 [30] 2,000 [31]
Cost $ 2,150 [30] $ 2,150 [31]
Fair value $ 18,950 [30] $ 18,950 [31]
Investment, Identifier [Axis]: PPL RVs, Inc., Common Stock 2    
Schedule of Investments [Line Items]    
Units (in shares) 238,421 238,421
Cost $ 238 $ 238
Fair value $ 170 $ 238
Investment, Identifier [Axis]: PPL RVs, Inc., Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 7.00% [11],[32] 7.00% [27],[28]
Principal $ 0 [11],[32] $ 0 [27],[28]
Cost (8) [11],[32] (9) [27],[28]
Fair value $ 0 [11],[32] $ 0 [27],[28]
Investment, Identifier [Axis]: PPL RVs, Inc., Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 11.38% [11] 10.25% [27]
Reference Rate and Spread 7.00% [11] 7.00% [27]
Principal $ 21,655 [11] $ 21,655 [27]
Cost 21,420 [11] 21,408 [27]
Fair value $ 21,655 [11] $ 21,655 [27]
Investment, Identifier [Axis]: PTL US Bidco, Inc, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate [6],[11] 14.25%  
Reference Rate and Spread 6.25% [6],[11] 7.25% [4],[8],[26],[27],[28]
Principal $ 1,431 [6],[11] $ 0 [4],[8],[26],[27],[28]
Cost 1,266 [6],[11] (174) [4],[8],[26],[27],[28]
Fair value $ 1,392 [6],[11] $ (174) [4],[8],[26],[27],[28]
Investment, Identifier [Axis]: PTL US Bidco, Inc, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.32% [6],[11],[14] 11.80% [4],[8],[26],[27]
Reference Rate and Spread 7.25% [6],[11],[14] 7.25% [4],[8],[26],[27]
Principal $ 28,109 [6],[11],[14] $ 28,265 [4],[8],[26],[27]
Cost 27,620 [6],[11],[14] 27,749 [4],[8],[26],[27]
Fair value $ 27,344 [6],[11],[14] $ 27,911 [4],[8],[26],[27]
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 10.70% [3],[11],[14] 10.26% [4],[26],[27]
Reference Rate and Spread 5.75% [3],[11],[14] 5.75% [4],[26],[27]
Principal $ 1,082 [3],[11],[14] $ 541 [4],[26],[27]
Cost 984 [3],[11],[14] 437 [4],[26],[27]
Fair value $ 1,055 [3],[11],[14] $ 530 [4],[26],[27]
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 10.78% [3],[11],[14] 9.96% [4],[26],[27],[70]
Reference Rate and Spread 5.75% [3],[11],[14] 5.75% [4],[26],[27],[70]
Principal $ 3,237 [3],[11],[14] $ 2,701 [4],[26],[27],[70]
Cost 3,150 [3],[11],[14] 2,609 [4],[26],[27],[70]
Fair value $ 3,158 [3],[11],[14] $ 2,649 [4],[26],[27],[70]
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate 10.48% [3],[11],[14] 9.81% [4],[26],[27]
Reference Rate and Spread 5.75% [3],[11],[14] 5.75% [4],[26],[27]
Principal $ 18,739 [3],[11],[14] $ 18,293 [4],[26],[27]
Cost 18,326 [3],[11],[14] 17,852 [4],[26],[27]
Fair value $ 18,281 [3],[11],[14] $ 17,939 [4],[26],[27]
Investment, Identifier [Axis]: Pearl Meyer Topco LLC, Preferred Equity    
Schedule of Investments [Line Items]    
Units (in shares) 13,800 [30] 13,800 [31]
Cost $ 13,000 [30] $ 13,000 [31]
Fair value $ 43,540 [30] 43,260 [31]
Investment, Identifier [Axis]: Pearl Meyer Topco LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 12.00%  
Principal $ 3,500 0 [28]
Cost 3,495 0 [28]
Fair value $ 3,500 0 [28]
Investment, Identifier [Axis]: Pearl Meyer Topco LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.00%  
Principal $ 11,500 0 [28]
Cost 11,462 0 [28]
Fair value $ 11,500 $ 0 [28]
Investment, Identifier [Axis]: Pearl Meyer Topco LLC, Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate 12.00% 12.00%
Principal $ 27,681 $ 28,681
Cost 27,557 28,537
Fair value $ 27,681 $ 28,681
Investment, Identifier [Axis]: Principle Environmental, LLC, Common Stock    
Schedule of Investments [Line Items]    
Units (in shares) 1,037 1,037
Cost $ 1,200 $ 1,200
Fair value $ 500 $ 590
Investment, Identifier [Axis]: Principle Environmental, LLC, Preferred Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 21,806 [30] 21,806 [31]
Cost $ 5,709 [30] $ 5,709 [31]
Fair value $ 10,480 [30] 12,420 [31]
Investment, Identifier [Axis]: Principle Environmental, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 13.00%  
Principal $ 5,897  
Cost 5,812  
Fair value $ 5,812  
Investment, Identifier [Axis]: Principle Environmental, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Principal [28]   0
Cost [28]   0
Fair value [28]   $ 0
Investment, Identifier [Axis]: Principle Environmental, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 13.00% 13.00%
Principal   $ 5,897
Cost   5,806
Fair value   $ 5,806
Investment, Identifier [Axis]: Project Eagle Holdings, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 6.25% [3],[11],[32] 6.25% [4],[27],[28]
Principal $ 0 [3],[11],[32] $ 0 [4],[27],[28]
Cost (17) [3],[11],[32] (18) [4],[27],[28]
Fair value $ (17) [3],[11],[32] $ (18) [4],[27],[28]
Investment, Identifier [Axis]: Project Eagle Holdings, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 10.89% [3],[11] 10.64% [4],[27]
Reference Rate and Spread 6.25% [3],[11] 6.25% [4],[27]
Principal $ 29,363 [3],[11] $ 29,475 [4],[27]
Cost 28,960 [3],[11] 29,040 [4],[27]
Fair value $ 28,998 [3],[11] $ 29,419 [4],[27]
Investment, Identifier [Axis]: Quality Lease Service, LLC, Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 1,000 1,000
Cost $ 7,513 $ 7,513
Fair value $ 525 $ 525
Investment, Identifier [Axis]: RA Outdoors LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate [3],[11],[14] 11.47%  
Reference Rate and Spread 6.75% [3],[11],[14] 6.75% [4],[26],[27],[28]
Principal $ 383 [3],[11],[14] $ 0 [4],[26],[27],[28]
Cost 373 [3],[11],[14] (11) [4],[26],[27],[28]
Fair value $ 346 [3],[11],[14] $ (11) [4],[26],[27],[28]
Investment, Identifier [Axis]: RA Outdoors LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 11.63% [3],[11],[14] 10.56% [4],[26],[27]
Reference Rate and Spread 6.75% [3],[11],[14] 6.75% [4],[26],[27]
Principal $ 13,369 [3],[11],[14] $ 13,369 [4],[26],[27]
Cost 13,251 [3],[11],[14] 13,241 [4],[26],[27]
Fair value $ 12,052 [3],[11],[14] $ 12,094 [4],[26],[27]
Investment, Identifier [Axis]: RM Bidder, LLC, Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 2,779 [3] 2,779 [4]
Cost $ 46 [3] $ 46 [4]
Fair value $ 20 [3] $ 19 [4]
Investment, Identifier [Axis]: RM Bidder, LLC, Warrants    
Schedule of Investments [Line Items]    
Units (in shares) 327,532 [3],[71] 327,532 [4],[72]
Cost $ 425 [3],[71] $ 425 [4],[72]
Fair value $ 0 [3],[71] $ 0 [4],[72]
Investment, Identifier [Axis]: RTIC Subsidiary Holdings, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 12.52% [3],[11],[14] 12.02% [4],[26],[27],[73]
Reference Rate and Spread 7.75% [3],[11],[14] 7.75% [4],[26],[27],[73]
Principal $ 2,055 [3],[11],[14] $ 1,361 [4],[26],[27],[73]
Cost 2,038 [3],[11],[14] 1,343 [4],[26],[27],[73]
Fair value $ 1,882 [3],[11],[14] $ 1,258 [4],[26],[27],[73]
Investment, Identifier [Axis]: RTIC Subsidiary Holdings, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.52% [3],[11],[14] 11.49% [4],[26],[27]
Reference Rate and Spread 7.75% [3],[11],[14] 7.75% [4],[26],[27]
Principal $ 15,364 [3],[11],[14] $ 16,623 [4],[26],[27]
Cost 15,266 [3],[11],[14] 16,506 [4],[26],[27]
Fair value $ 14,069 [3],[11],[14] $ 15,367 [4],[26],[27]
Investment, Identifier [Axis]: Research Now Group, Inc. and Survey Sampling International, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 10.31% [9],[11] 8.84% [10],[27]
Reference Rate and Spread 5.50% [9],[11] 5.50% [10],[27]
Principal $ 19,914 [9],[11] $ 19,966 [10],[27]
Cost 19,721 [9],[11] 19,745 [10],[27]
Fair value $ 15,273 [9],[11] $ 15,116 [10],[27]
Investment, Identifier [Axis]: River Aggregates, LLC, Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 1,500 [41] 1,500 [42]
Cost $ 369 [41] $ 369 [42]
Fair value $ 3,620 [41] $ 3,620 [42]
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Preferred Equity    
Schedule of Investments [Line Items]    
Units (in shares) 11,070 11,070
Cost $ 11,070 $ 11,070
Fair value 9,930 14,880
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Secured Debt 1    
Schedule of Investments [Line Items]    
Principal 0 [32] 0 [27],[28]
Cost (33) [32] (35) [27],[28]
Fair value $ (33) [32] $ (35) [27],[28]
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.50% 12.50% [27]
Principal $ 35,460 $ 35,685 [27]
Cost 35,198 35,404 [27]
Fair value $ 35,198 $ 35,404 [27]
Investment, Identifier [Axis]: Rocaceia, LLC (Quality Lease and Rental Holdings, LLC), Preferred Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 250 250
Cost $ 2,500 $ 2,500
Fair value $ 0 $ 0
Investment, Identifier [Axis]: Rocaceia, LLC (Quality Lease and Rental Holdings, LLC), Secured Debt    
Schedule of Investments [Line Items]    
Total Rate [33],[40],[74]   12.00%
Principal [33],[40],[74]   $ 30,369
Cost [33],[40],[74]   29,865
Fair value [33],[40],[74]   $ 0
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate [4],[26],[27]   10.97%
Reference Rate and Spread 6.50% [3],[11],[14],[32] 6.50% [4],[26],[27]
Principal $ 0 [3],[11],[14],[32] $ 311 [4],[26],[27]
Cost (10) [3],[11],[14],[32] 300 [4],[26],[27]
Fair value $ 0 [3],[11],[14],[32] $ 311 [4],[26],[27]
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 11.35% [3],[11],[14] 10.32% [4],[26],[27]
Reference Rate and Spread 6.50% [3],[11],[14] 6.50% [4],[26],[27]
Principal $ 2,333 [3],[11],[14] $ 2,333 [4],[26],[27]
Cost 2,294 [3],[11],[14] 2,291 [4],[26],[27]
Fair value $ 2,300 [3],[11],[14] $ 2,333 [4],[26],[27]
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate 11.35% [3],[11],[14] 10.32% [4],[26],[27]
Reference Rate and Spread 6.50% [3],[11],[14] 6.50% [4],[26],[27]
Principal $ 3,173 [3],[11],[14] $ 3,173 [4],[26],[27]
Cost 3,128 [3],[11],[14] 3,125 [4],[26],[27]
Fair value $ 3,128 [3],[11],[14] $ 3,173 [4],[26],[27]
Investment, Identifier [Axis]: Rug Doctor, LLC., Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 13.02% [3],[11],[14] 13.02% [4],[26],[27]
Reference Rate and Spread 6.25% [3],[11],[14] 6.25% [4],[26],[27]
PIK Rate 2.00% [3],[11],[14] 2.00% [4],[26],[27]
Principal $ 5,625 [3],[11],[14] $ 5,625 [4],[26],[27]
Cost 5,595 [3],[11],[14] 5,590 [4],[26],[27]
Fair value $ 5,176 [3],[11],[14] $ 5,037 [4],[26],[27]
Investment, Identifier [Axis]: Rug Doctor, LLC., Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 13.02% [3],[11],[14] 13.02% [4],[26],[27]
Reference Rate and Spread 6.25% [3],[11],[14] 6.25% [4],[26],[27]
PIK Rate 2.00% [3],[11],[14] 2.00% [4],[26],[27]
Principal $ 8,340 [3],[11],[14] $ 8,340 [4],[26],[27]
Cost 8,238 [3],[11],[14] 8,223 [4],[26],[27]
Fair value $ 7,674 [3],[11],[14] $ 7,478 [4],[26],[27]
Investment, Identifier [Axis]: SI East, LLC (Stavig), Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 9.50%  
Investment, Identifier [Axis]: SI East, LLC, Preferred Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 157 [30] 157 [31]
Cost $ 1,218 [30] $ 1,218 [31]
Fair value 13,650 [30] 13,650 [31]
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Principal 0 [32] 0 [28]
Cost 0 [32] 0 [28]
Fair value $ 0 [32] $ 0 [28]
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 9.50% 9.50%
Principal $ 84,536 $ 89,786
Cost 84,490 89,708
Fair value $ 84,536 $ 89,786
Investment, Identifier [Axis]: SIB Holdings, LLC, Common Equity    
Schedule of Investments [Line Items]    
Units (in shares) 95,238 [3] 95,238 [4]
Cost $ 200 [3] $ 200 [4]
Fair value $ 97 [3] $ 146 [4]
Investment, Identifier [Axis]: SIB Holdings, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 11.21% [3],[11] 11.01% [4],[27]
Reference Rate and Spread 6.25% [3],[11] 6.25% [4],[27]
Principal $ 590 [3],[11] $ 417 [4],[27]
Cost 582 [3],[11] 408 [4],[27]
Fair value $ 533 [3],[11] $ 393 [4],[27]
Investment, Identifier [Axis]: SIB Holdings, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 11.21% [3],[11] 11.01% [4],[27]
Reference Rate and Spread 6.25% [3],[11] 6.25% [4],[27]
Principal $ 1,544 [3],[11] $ 1,553 [4],[27]
Cost 1,519 [3],[11] 1,527 [4],[27]
Fair value $ 1,395 [3],[11] $ 1,433 [4],[27]
Investment, Identifier [Axis]: SIB Holdings, LLC, Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate 11.21% [3],[11] 11.01% [4],[27]
Reference Rate and Spread 6.25% [3],[11] 6.25% [4],[27]
Principal $ 7,732 [3],[11] $ 7,750 [4],[27]
Cost 7,615 [3],[11] 7,626 [4],[27]
Fair value $ 6,989 [3],[11] $ 7,151 [4],[27]
Investment, Identifier [Axis]: SPAU Holdings, LLC, Common Stock    
Schedule of Investments [Line Items]    
Units (in shares) 638,710 [3] 638,710 [4]
Cost $ 639 [3] $ 639 [4]
Fair value $ 639 [3] $ 639 [4]
Investment, Identifier [Axis]: SPAU Holdings, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 7.50% [3],[11],[14],[32] 7.50% [4],[26],[27],[28]
Principal $ 0 [3],[11],[14],[32] $ 0 [4],[26],[27],[28]
Cost (54) [3],[11],[14],[32] (57) [4],[26],[27],[28]
Fair value $ (54) [3],[11],[14],[32] $ (57) [4],[26],[27],[28]
Investment, Identifier [Axis]: SPAU Holdings, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.23% [3],[11],[14] 11.06% [4],[26],[27]
Reference Rate and Spread 7.50% [3],[11],[14] 7.50% [4],[26],[27]
Principal $ 15,888 [3],[11],[14] $ 15,928 [4],[26],[27]
Cost 15,617 [3],[11],[14] 15,641 [4],[26],[27]
Fair value $ 15,888 [3],[11],[14] $ 15,928 [4],[26],[27]
Investment, Identifier [Axis]: Savers, Inc., Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 10.34% [9],[11],[14] 10.34% [10],[26],[27]
Reference Rate and Spread 5.50% [9],[11],[14] 5.50% [10],[26],[27]
Principal $ 5,642 [9],[11],[14] $ 11,286 [10],[26],[27]
Cost 5,576 [9],[11],[14] 11,199 [10],[26],[27]
Fair value $ 5,416 [9],[11],[14] $ 10,938 [10],[26],[27]
Investment, Identifier [Axis]: Slick Innovations, LLC, Common Stock    
Schedule of Investments [Line Items]    
Units (in shares) 70,000 [30] 70,000 [31]
Cost $ 456 [30] $ 456 [31]
Fair value $ 1,790 [30] $ 1,530 [31]
Investment, Identifier [Axis]: Slick Innovations, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 14.00% 14.00%
Principal $ 13,600 $ 13,840
Cost 13,468 13,698
Fair value $ 13,600 $ 13,840
Investment, Identifier [Axis]: Sonic Systems International, LLC, Common Stock    
Schedule of Investments [Line Items]    
Units (in shares) 9,968 [3] 9,968 [4]
Cost $ 1,356 [3] $ 1,356 [4]
Fair value $ 1,230 [3] $ 1,280 [4]
Investment, Identifier [Axis]: Sonic Systems International, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 12.26% [3],[11] 11.24% [4],[27]
Reference Rate and Spread 7.50% [3],[11] 7.50% [4],[27]
Principal $ 15,769 [3],[11] $ 15,769 [4],[27]
Cost 15,542 [3],[11] 15,527 [4],[27]
Fair value $ 15,769 [3],[11] $ 15,769 [4],[27]
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Common Equity    
Schedule of Investments [Line Items]    
Units (in shares) 863,636 [3] 863,636 [4]
Cost $ 864 [3] $ 864 [4]
Fair value $ 1,316 [3] $ 1,316 [4]
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 5.25% [3],[11],[32] 5.75% [4],[27],[28]
Principal $ 0 [3],[11],[32] $ 0 [4],[27],[28]
Cost (66) [3],[11],[32] (71) [4],[27],[28]
Fair value $ (66) [3],[11],[32] $ (71) [4],[27],[28]
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 10.03% [3],[11] 9.69% [4],[27]
Reference Rate and Spread 5.25% [3],[11] 5.75% [4],[27]
Principal $ 41,151 [3],[11] $ 41,255 [4],[27]
Cost 40,540 [3],[11] 40,603 [4],[27]
Fair value $ 41,151 [3],[11] $ 41,255 [4],[27]
Investment, Identifier [Axis]: Staples Canada ULC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 12.02% [3],[6],[11],[15],[75] 11.83% [4],[8],[16],[27],[76]
Reference Rate and Spread 7.00% [3],[6],[11],[15],[75] 7.00% [4],[8],[16],[27],[76]
Principal $ 13,146 [3],[6],[11],[15],[75] $ 13,740 [4],[8],[16],[27],[76]
Cost 13,111 [3],[6],[11],[15],[75] 13,698 [4],[8],[16],[27],[76]
Fair value $ 11,958 [3],[6],[11],[15],[75] $ 12,481 [4],[8],[16],[27],[76]
Investment, Identifier [Axis]: Stellant Systems, Inc., Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 10.54% [9],[11],[14] 10.05% [10],[26],[27]
Reference Rate and Spread 5.50% [9],[11],[14] 5.50% [10],[26],[27]
Principal $ 7,585 [9],[11],[14] $ 7,623 [10],[26],[27]
Cost 7,524 [9],[11],[14] 7,559 [10],[26],[27]
Fair value $ 7,272 [9],[11],[14] $ 7,166 [10],[26],[27]
Investment, Identifier [Axis]: Student Resource Center, LLC, Preferred Equity    
Schedule of Investments [Line Items]    
Units (in shares) 5,907,649 [3] 5,907,649 [4]
Cost $ 0 [3] $ 0 [4]
Fair value $ 0 [3] $ 0 [4]
Investment, Identifier [Axis]: Student Resource Center, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 13.69% [3] 13.27% [4]
Reference Rate and Spread 8.50% [3] 8.50% [4]
Principal $ 5,000 [3] $ 5,000 [4]
Cost 4,556 [3] 4,556 [4]
Fair value $ 4,556 [3] $ 4,556 [4]
Investment, Identifier [Axis]: Superior Rigging & Erecting Co., Preferred Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 1,600 1,571
Cost $ 4,500 $ 4,500
Fair value $ 4,970 $ 4,500
Investment, Identifier [Axis]: Superior Rigging & Erecting Co., Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 12.00% 12.00%
Principal $ 20,500 $ 21,500
Cost 20,395 21,378
Fair value $ 20,395 $ 21,378
Investment, Identifier [Axis]: Tacala Investment Corp., Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 8.34% [11],[48],[77] 7.88% [27],[78],[79]
Reference Rate and Spread 3.50% [11],[48],[77] 3.50% [27],[78],[79]
Principal $ 1,974 [11],[48],[77] $ 1,974 [27],[78],[79]
Cost 1,974 [11],[48],[77] 1,974 [27],[78],[79]
Fair value $ 1,943 [11],[48],[77] $ 1,904 [27],[78],[79]
Investment, Identifier [Axis]: Team Public Choices, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 9.93% [9],[11] 9.93% [10],[27]
Reference Rate and Spread 5.00% [9],[11] 5.00% [10],[27]
Principal $ 14,926 [9],[11] $ 14,964 [10],[27]
Cost 14,666 [9],[11] 14,690 [10],[27]
Fair value $ 14,552 [9],[11] $ 14,290 [10],[27]
Investment, Identifier [Axis]: Tectonic Financial, LLC, Common Stock    
Schedule of Investments [Line Items]    
Units (in shares) 200,000 [30] 200,000 [31]
Cost $ 2,000 [30] $ 2,000 [31]
Fair value $ 5,170 [30] $ 5,630 [31]
Investment, Identifier [Axis]: Tedder Industries, LLC, Preferred Member Units    
Schedule of Investments [Line Items]    
Units (in shares)   544
Cost   $ 9,245
Fair value   $ 7,681
Investment, Identifier [Axis]: Tedder Industries, LLC, Preferred Member Units 1    
Schedule of Investments [Line Items]    
Units (in shares) 544  
Cost $ 9,245  
Fair value $ 6,871  
Investment, Identifier [Axis]: Tedder Industries, LLC, Preferred Member Units 2    
Schedule of Investments [Line Items]    
Units (in shares) 2,219  
Cost $ 222  
Fair value $ 333  
Investment, Identifier [Axis]: Tedder Industries, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 12.00% 12.00%
Principal $ 1,840 $ 1,840
Cost 1,840 1,840
Fair value $ 1,840 $ 1,840
Investment, Identifier [Axis]: Tedder Industries, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.00% 12.00%
Principal $ 15,200 $ 15,200
Cost 15,195 15,192
Fair value $ 15,123 $ 15,120
Investment, Identifier [Axis]: Televerde, LLC, Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 460 [30] 460
Cost $ 1,290 [30] $ 1,290
Fair value $ 6,599 [30] $ 5,408
Investment, Identifier [Axis]: Televerde, LLC, Preferred Stock    
Schedule of Investments [Line Items]    
Units (in shares) 248 248
Cost $ 718 $ 718
Fair value $ 1,794 $ 1,794
Investment, Identifier [Axis]: Tex Tech Tennis, LLC, Preferred Equity    
Schedule of Investments [Line Items]    
Units (in shares) 1,000,000 [3],[41] 1,000,000 [4],[42]
Cost $ 1,000 [3],[41] $ 1,000 [4],[42]
Fair value $ 1,980 [3],[41] $ 1,830 [4],[42]
Investment, Identifier [Axis]: The Affiliati Network, LLC, Preferred Stock    
Schedule of Investments [Line Items]    
Units (in shares) 1,280,000 [30] 1,280,000 [31]
Cost $ 6,400 [30] $ 6,400 [31]
Fair value 6,400 [30] $ 6,400 [31]
Investment, Identifier [Axis]: The Affiliati Network, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate   13.00%
Principal 0 [32] $ 120
Cost (13) [32] 106
Fair value $ (13) [32] $ 106
Investment, Identifier [Axis]: The Affiliati Network, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.00% 13.00%
Principal $ 9,321 $ 9,521
Cost 9,249 9,442
Fair value $ 9,249 $ 9,442
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC, Common Stock    
Schedule of Investments [Line Items]    
Units (in shares) 615 [30] 615 [31]
Cost $ 4,655 [30] $ 4,655 [31]
Fair value 9,306 [30] 7,800 [31]
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Principal 0 [32] 0 [28]
Cost (4) [32] (5) [28]
Fair value $ 0 [32] $ 0 [28]
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.00% 12.00%
Principal $ 7,920 $ 7,920
Cost 7,895 7,894
Fair value $ 7,920 $ 7,920
Investment, Identifier [Axis]: U.S. TelePacific Corp., Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 13.16% [9],[11],[14] 11.57% [10],[26],[27]
Reference Rate and Spread 8.40% [9],[11],[14] 1.25% [10],[26],[27]
PIK Rate 7.25% [9],[11],[14] 7.25% [10],[26],[27]
Principal $ 18,683 [9],[11],[14] $ 18,352 [10],[26],[27]
Cost 18,620 [9],[11],[14] 18,284 [10],[26],[27]
Fair value $ 4,904 [9],[11],[14] $ 6,859 [10],[26],[27]
Investment, Identifier [Axis]: USA DeBusk LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 10.38% [3],[11] 9.82% [4],[27]
Reference Rate and Spread 5.75% [3],[11] 5.75% [4],[27]
Principal $ 33,492 [3],[11] $ 33,577 [4],[27]
Cost 32,983 [3],[11] 33,031 [4],[27]
Fair value $ 33,492 [3],[11] $ 33,577 [4],[27]
Investment, Identifier [Axis]: UniTek Global Services, Inc., Common Stock    
Schedule of Investments [Line Items]    
Units (in shares) 945,507 [9] 945,507 [10]
Cost $ 0 [9] $ 0 [10]
Fair value $ 0 [9] $ 0 [10]
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred Stock 1    
Schedule of Investments [Line Items]    
Units (in shares) 1,133,102 [9],[30] 1,133,102 [10],[31]
Total Rate 20.00% [9],[30] 20.00% [10],[31]
PIK Rate 20.00% [9],[30] 20.00% [10],[31]
Cost $ 2,248 [9],[30] $ 2,141 [10],[31]
Fair value $ 2,833 [9],[30] $ 2,833 [10],[31]
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred Stock 2    
Schedule of Investments [Line Items]    
Units (in shares) 1,521,122 [9] 1,521,122 [10]
Total Rate 20.00% [9] 20.00% [10]
PIK Rate 20.00% [9] 20.00% [10]
Cost $ 2,188 [9] $ 2,188 [10]
Fair value $ 2,376 [9] $ 1,991 [10]
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred Stock 3    
Schedule of Investments [Line Items]    
Units (in shares) 2,281,682 [9] 2,281,682 [10]
Total Rate 19.00% [9] 19.00% [10]
PIK Rate 19.00% [9] 19.00% [10]
Cost $ 3,667 [9] $ 3,667 [10]
Fair value $ 0 [9] $ 0 [10]
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred Stock 4    
Schedule of Investments [Line Items]    
Units (in shares) 4,336,866 [9] 4,336,866 [10]
Total Rate 13.50% [9] 13.50% [10]
PIK Rate 13.50% [9] 13.50% [10]
Cost $ 7,924 [9] $ 7,924 [10]
Fair value $ 0 [9] $ 0 [10]
Investment, Identifier [Axis]: UniTek Global Services, Inc., Secured Convertible Debt    
Schedule of Investments [Line Items]    
Total Rate 15.00% [9] 15.00% [10]
PIK Rate 15.00% [9] 15.00% [10]
Principal $ 2,494 [9] $ 2,403 [10]
Cost 2,494 [9] 2,403 [10]
Fair value $ 4,945 [9] $ 4,592 [10]
Investment, Identifier [Axis]: UniTek Global Services, Inc., Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 14.22% [9],[11],[14] 10.76% [10],[26],[27]
Reference Rate and Spread 7.50% [9],[11],[14] 5.50% [10],[26],[27]
PIK Rate 2.00% [9],[11],[14] 2.00% [10],[26],[27]
Principal $ 407 [9],[11],[14] $ 406 [10],[26],[27]
Cost 406 [9],[11],[14] 405 [10],[26],[27]
Fair value $ 407 [9],[11],[14] $ 382 [10],[26],[27]
Investment, Identifier [Axis]: UniTek Global Services, Inc., Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 14.22% [9],[11],[14] 10.76% [10],[26],[27]
Reference Rate and Spread 7.50% [9],[11],[14] 5.50% [10],[26],[27]
PIK Rate 2.00% [9],[11],[14] 2.00% [10],[26],[27]
Principal $ 1,821 [9],[11],[14] $ 1,814 [10],[26],[27]
Cost 1,815 [9],[11],[14] 1,807 [10],[26],[27]
Fair value $ 1,821 [9],[11],[14] $ 1,712 [10],[26],[27]
Investment, Identifier [Axis]: UnionRock Energy Fund II, LP, LP Interests    
Schedule of Investments [Line Items]    
Units (percentage) [5],[6],[30],[45] 11.11%  
Total Rate [7],[8],[31],[46]   11.11%
Cost $ 4,067 [5],[6],[30],[45] $ 3,734 [7],[8],[31],[46]
Fair value $ 6,188 [5],[6],[30],[45] $ 5,855 [7],[8],[31],[46]
Investment, Identifier [Axis]: Universal Wellhead Services Holdings, LLC, Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 4,000,000 [3],[41] 4,000,000 [4],[42]
Cost $ 4,000 [3],[41] $ 4,000 [4],[42]
Fair value $ 0 [3],[41] $ 0 [4],[42]
Investment, Identifier [Axis]: Universal Wellhead Services Holdings, LLC, Preferred Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 716,949 [3],[41] 716,949 [4],[42]
Total Rate 14.00% [3],[41] 14.00% [4],[42]
PIK Rate 14.00% [3],[41] 14.00% [4],[42]
Cost $ 1,032 [3],[41] $ 1,032 [4],[42]
Fair value $ 218 [3],[41] $ 220 [4],[42]
Investment, Identifier [Axis]: UserZoom Technologies, Inc., Secured Debt    
Schedule of Investments [Line Items]    
Total Rate [3],[11],[14] 12.13%  
Reference Rate and Spread [3],[11],[14] 7.50%  
Principal [3],[11],[14] $ 4,000  
Cost [3],[11],[14] 3,885  
Fair value [3],[11],[14] $ 3,885  
Investment, Identifier [Axis]: VORTEQ Coil Finishers, LLC, Common Equity    
Schedule of Investments [Line Items]    
Units (in shares) 1,038,462 [3],[30] 1,038,462 [4],[31]
Cost $ 1,038 [3],[30] $ 1,038 [4],[31]
Fair value $ 3,930 [3],[30] $ 3,930 [4],[31]
Investment, Identifier [Axis]: VVS Holdco LLC, Preferred Equity    
Schedule of Investments [Line Items]    
Units (in shares) 11,840 [30],[41] 11,840 [31],[42]
Cost $ 11,840 [30],[41] $ 11,840 [31],[42]
Fair value $ 12,040 [30],[41] $ 11,940 [31],[42]
Investment, Identifier [Axis]: VVS Holdco LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 6.00% [11],[32],[41] 6.00% [27],[28],[42]
Principal $ 0 [11],[32],[41] $ 0 [27],[28],[42]
Cost (15) [11],[32],[41] (21) [27],[28],[42]
Fair value $ (15) [11],[32],[41] $ (21) [27],[28],[42]
Investment, Identifier [Axis]: VVS Holdco LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 11.50% [41] 11.50% [42]
Principal $ 30,400 [41] $ 30,400 [42]
Cost 30,176 [41] 30,158 [42]
Fair value $ 30,176 [41] $ 30,161 [42]
Investment, Identifier [Axis]: Veregy Consolidated, Inc., Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 5.25% [9],[11],[32] 5.25% [10],[27],[28]
Principal $ 0 [9],[11],[32] $ 0 [10],[27],[28]
Cost (574) [9],[11],[32] (630) [10],[27],[28]
Fair value $ (574) [9],[11],[32] $ (630) [10],[27],[28]
Investment, Identifier [Axis]: Veregy Consolidated, Inc., Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 10.83% [9],[11] 10.41% [10],[27]
Reference Rate and Spread 6.00% [9],[11] 6.00% [10],[27]
Principal $ 17,640 [9],[11] $ 17,685 [10],[27]
Cost 17,352 [9],[11] 17,381 [10],[27]
Fair value $ 15,196 [9],[11] $ 15,479 [10],[27]
Investment, Identifier [Axis]: Vida Capital, Inc, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate [10]   10.38%
Reference Rate and Spread [10]   6.00%
Principal [10]   $ 15,448
Cost [10]   15,313
Fair value [10]   $ 12,049
Investment, Identifier [Axis]: Vida Capital, Inc, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate [9] 10.63%  
Reference Rate and Spread [9] 6.00%  
Principal [9] $ 15,101  
Cost [9] 14,978  
Fair value [9] $ 11,137  
Investment, Identifier [Axis]: Vision Interests, Inc., Series A Preferred Stock    
Schedule of Investments [Line Items]    
Units (in shares) 3,000,000 [30] 3,000,000 [31]
Cost $ 3,000 [30] $ 3,000 [31]
Fair value $ 3,000 [30] $ 3,000 [31]
Investment, Identifier [Axis]: Vistar Media, Inc., Preferred Stock    
Schedule of Investments [Line Items]    
Units (in shares) 70,207 [3] 70,207 [4]
Cost $ 767 [3] $ 767 [4]
Fair value $ 2,340 [3] $ 2,250 [4]
Investment, Identifier [Axis]: Volusion, LLC, Common Stock    
Schedule of Investments [Line Items]    
Units (in shares) 1,802,780  
Cost $ 2,576  
Fair value $ 0  
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units    
Schedule of Investments [Line Items]    
Units (in shares)   4,876,670
Cost   $ 14,000
Fair value   $ 0
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 1    
Schedule of Investments [Line Items]    
Units (in shares) 4,876,670  
Cost $ 14,000  
Fair value $ 0  
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 2    
Schedule of Investments [Line Items]    
Units (in shares) 5,097,595  
Cost $ 11,446  
Fair value $ 11,446  
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 3    
Schedule of Investments [Line Items]    
Units (in shares) 142,512  
Cost $ 0  
Fair value $ 0  
Investment, Identifier [Axis]: Volusion, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 10.00% 11.50% [40]
Principal $ 2,100 $ 16,734 [40]
Cost 2,100 16,734 [40]
Fair value $ 2,100 $ 14,914 [40]
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   $ 409
Cost   409
Fair value   $ 0
Investment, Identifier [Axis]: Volusion, LLC, Warrants    
Schedule of Investments [Line Items]    
Units (in shares) [25]   1,831,355
Cost [25]   $ 2,576
Fair value [25]   $ 0
Investment, Identifier [Axis]: Wahoo Fitness Acquisition L.L.C., Secured Debt    
Schedule of Investments [Line Items]    
Total Rate [10],[26],[27]   10.64%
Reference Rate and Spread [10],[26],[27]   5.75%
Principal [10],[26],[27]   $ 14,625
Cost [10],[26],[27]   14,268
Fair value [10],[26],[27]   $ 8,409
Investment, Identifier [Axis]: Wahoo Fitness Acquisition L.L.C., Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate [9],[11],[14] 14.93%  
Reference Rate and Spread [9],[11],[14] 5.25%  
PIK Rate [9],[11],[14] 4.75%  
Principal [9],[11],[14] $ 2,006  
Cost [9],[11],[14] 1,956  
Fair value [9],[11],[14] $ 1,956  
Investment, Identifier [Axis]: Wahoo Fitness Acquisition L.L.C., Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate [9],[11],[13],[14] 10.64%  
Reference Rate and Spread [9],[11],[13],[14] 5.75%  
Principal [9],[11],[13],[14] $ 14,625  
Cost [9],[11],[13],[14] 14,284  
Fair value [9],[11],[13],[14] $ 6,216  
Investment, Identifier [Axis]: Wall Street Prep, Inc., Common Stock    
Schedule of Investments [Line Items]    
Units (in shares) 400,000 [3] 400,000 [4]
Cost $ 400 [3] $ 400 [4]
Fair value $ 420 [3] $ 420 [4]
Investment, Identifier [Axis]: Wall Street Prep, Inc., Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 7.00% [3],[11],[32] 7.00% [4],[27],[28]
Principal $ 0 [3],[11],[32] $ 0 [4],[27],[28]
Cost (5) [3],[11],[32] (6) [4],[27],[28]
Fair value $ (5) [3],[11],[32] $ (6) [4],[27],[28]
Investment, Identifier [Axis]: Wall Street Prep, Inc., Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 11.75% [3],[11] 10.74% [4],[27]
Reference Rate and Spread 7.00% [3],[11] 7.00% [4],[27]
Principal $ 4,208 [3],[11] $ 4,235 [4],[27]
Cost 4,151 [3],[11] 4,173 [4],[27]
Fair value $ 4,124 [3],[11] $ 4,146 [4],[27]
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 11.07% [3],[11],[80] 10.73% [4],[27]
Reference Rate and Spread 6.25% [3],[11],[80] 6.00% [4],[27]
Principal $ 1,945 [3],[11],[80] $ 371 [4],[27]
Cost 1,911 [3],[11],[80] 334 [4],[27]
Fair value $ 1,938 [3],[11],[80] $ 370 [4],[27]
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 10.98% [3],[11] 10.73% [4],[27]
Reference Rate and Spread 6.00% [3],[11] 6.00% [4],[27]
Principal $ 390 [3],[11] $ 391 [4],[27]
Cost 362 [3],[11] 361 [4],[27]
Fair value $ 388 [3],[11] $ 391 [4],[27]
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate 10.98% [3],[11] 10.73% [4],[27]
Reference Rate and Spread 6.25% [3],[11] 6.00% [4],[27]
Principal $ 28,884 [3],[11] $ 28,957 [4],[27]
Cost 28,542 [3],[11] 28,591 [4],[27]
Fair value $ 28,780 [3],[11] $ 28,947 [4],[27]
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Common Stock    
Schedule of Investments [Line Items]    
Units (in shares) 1,541,400 [3] 1,541,400 [4]
Cost $ 1,541 [3] $ 1,541 [4]
Fair value $ 2,170 [3] $ 1,950 [4]
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 6.00% [3],[11],[14],[32] 6.00% [4],[26],[27],[28]
Principal $ 0 [3],[11],[14],[32] $ 0 [4],[26],[27],[28]
Cost (19) [3],[11],[14],[32] (20) [4],[26],[27],[28]
Fair value $ (19) [3],[11],[14],[32] $ (20) [4],[26],[27],[28]
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 10.79% [3],[11],[14] 8.59% [4],[26],[27]
Reference Rate and Spread 6.00% [3],[11],[14] 6.00% [4],[26],[27]
Principal $ 10,767 [3],[11],[14] $ 10,794 [4],[26],[27]
Cost 10,591 [3],[11],[14] 10,608 [4],[26],[27]
Fair value $ 10,762 [3],[11],[14] $ 10,685 [4],[26],[27]
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Reference Rate and Spread 7.00% [3],[11],[32] 7.00% [4],[27],[28]
Principal $ 0 [3],[11],[32] $ 0 [4],[27],[28]
Cost (32) [3],[11],[32] (34) [4],[27],[28]
Fair value $ 0 [3],[11],[32] $ 0 [4],[27],[28]
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Reference Rate and Spread 7.00% [3],[11],[32] 7.00% [4],[27],[28]
Principal $ 0 [3],[11],[32] $ 0 [4],[27],[28]
Cost (16) [3],[11],[32] (17) [4],[27],[28]
Fair value $ (16) [3],[11],[32] $ (17) [4],[27],[28]
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate 11.75% [3],[11] 10.74% [4],[27]
Reference Rate and Spread 7.00% [3],[11] 7.00% [4],[27]
Principal $ 10,000 [3],[11] $ 10,000 [4],[27]
Cost 9,854 [3],[11] 9,848 [4],[27]
Fair value $ 9,999 [3],[11] $ 9,992 [4],[27]
Investment, Identifier [Axis]: World Micro Holdings, LLC, Preferred Equity    
Schedule of Investments [Line Items]    
Units (in shares) 3,845 3,845
Cost $ 3,845 $ 3,845
Fair value $ 3,845 $ 3,845
Investment, Identifier [Axis]: World Micro Holdings, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 13.00% 13.00%
Principal $ 14,280 $ 14,280
Cost 14,147 14,140
Fair value $ 14,147 $ 14,140
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate [3] 9.92%  
Reference Rate and Spread 5.25% [3] 5.25% [4],[28]
Principal $ 1,260 [3] $ 0 [4],[28]
Cost 1,056 [3] (218) [4],[28]
Fair value $ 1,248 [3] $ (218) [4],[28]
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 10.34% [3] 10.84% [4]
Reference Rate and Spread 5.25% [3] 5.25% [4]
Principal $ 24,239 [3] $ 24,300 [4]
Cost 23,827 [3] 23,864 [4]
Fair value $ 24,019 [3] $ 24,135 [4]
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate 10.35% [3] 8.63% [4]
Reference Rate and Spread 5.25% [3] 5.25% [4]
Principal $ 38,118 [3] $ 38,311 [4]
Cost 37,532 [3] 37,691 [4]
Fair value $ 37,772 [3] $ 38,051 [4]
Investment, Identifier [Axis]: YS Garments, LLC, Secured Debt    
Schedule of Investments [Line Items]    
Total Rate 14.50% [9],[11] 9.51% [10],[27]
Reference Rate and Spread 6.00% [9],[11] 5.50% [10],[27]
Principal $ 12,471 [9],[11] $ 12,659 [10],[27]
Cost 12,192 [9],[11] 12,619 [10],[27]
Fair value $ 11,226 [9],[11] $ 12,127 [10],[27]
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Preferred Member Units    
Schedule of Investments [Line Items]    
Units (in shares) 10,072 10,072
Cost $ 2,834 $ 2,834
Fair value $ 70 $ 240
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 12.00% 12.00%
Principal $ 450 $ 450
Cost 450 450
Fair value $ 450 $ 450
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 6.50% 6.50%
Principal $ 1,000 $ 1,000
Cost 1,000 1,000
Fair value $ 945 $ 945
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Secured Debt 3    
Schedule of Investments [Line Items]    
Total Rate 14.00% 14.00%
Principal $ 2,750 $ 2,750
Cost 2,750 2,750
Fair value $ 2,461 $ 2,676
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Warrants    
Schedule of Investments [Line Items]    
Units (in shares) 587 [24] 587 [25]
Cost $ 600 [24] $ 600 [25]
Fair value $ 0 [24] $ 0 [25]
Investment, Identifier [Axis]: Zips Car Wash, LLC, Secured Debt 1    
Schedule of Investments [Line Items]    
Total Rate 12.15% [3],[11],[14],[64] 11.67% [4],[26],[27]
Reference Rate and Spread 7.25% [3],[11],[14],[64] 7.25% [4],[26],[27]
Principal $ 17,468 [3],[11],[14],[64] $ 17,512 [4],[26],[27]
Cost 17,287 [3],[11],[14],[64] 17,279 [4],[26],[27]
Fair value $ 17,468 [3],[11],[14],[64] $ 17,512 [4],[26],[27]
Investment, Identifier [Axis]: Zips Car Wash, LLC, Secured Debt 2    
Schedule of Investments [Line Items]    
Total Rate 12.12% [3],[11],[14],[64] 11.67% [4],[26],[27],[79]
Reference Rate and Spread 7.25% [3],[11],[14],[64] 7.25% [4],[26],[27],[79]
Principal $ 4,378 [3],[11],[14],[64] $ 4,389 [4],[26],[27],[79]
Cost 4,357 [3],[11],[14],[64] 4,360 [4],[26],[27],[79]
Fair value $ 4,372 [3],[11],[14],[64] $ 4,379 [4],[26],[27],[79]
[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] 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.
[3] Private Loan portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Private Loan portfolio investments.
[4] Private Loan portfolio investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Private Loan portfolio investments.
[5] Other Portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Other Portfolio investments.
[6] 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.
[7] Other Portfolio investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Other Portfolio investments.
[8] 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.
[9] Middle Market portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Middle Market portfolio investments.
[10] Middle Market portfolio investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Middle Market portfolio investments.
[11] Index based floating interest rate is subject to contractual minimum interest rate. As noted in this schedule, 92% of the loans (based on the par amount) contain LIBOR or Term SOFR (“SOFR”) floors which range between 0.50% and 2.00%, with a weighted-average floor of 1.08%.
[12] Maturity date is under on-going negotiations with the portfolio company and other lenders, if applicable.
[13] Non-accrual and non-income producing investment.
[14] 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 0.35%.
[15] Portfolio company headquarters are located outside of the United States.
[16] Portfolio company headquarters are located outside of the United States.
[17] Control investments are defined by the 1940 Act as investments in which more than 25% of the voting securities are owned or where the ability to nominate greater than 50% of the board representation is maintained
[18] 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.
[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] 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.
[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] 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.
[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] 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 December 31, 2022, SOFR based contracts in the portfolio had Adjustments ranging from 0.10% to 0.35%.
[27] Index based floating interest rate is subject to contractual minimum interest rate. As noted in this schedule, 66% of these floating rate loans (based on the par amount) contain LIBOR or Term SOFR (“SOFR”) floors which range between 0.50% and 2.00%, with a weighted-average floor of 1.04%.
[28] The position is unfunded and no interest income is being earned as of December 31, 2022. The position may earn a nominal unused facility fee on committed amounts.
[29] As of March 31, 2023, borrowings under the loan facility bore interest at SOFR+6.00% (Floor 1.00%). Each new draw or 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.
[30] Income producing through dividends or distributions.
[31] Income producing through dividends or distributions.
[32] 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.
[33] Non-accrual and non-income producing investment.
[34] Warrants are presented in equivalent shares/units with a strike price of $1.00 per share/unit.
[35] Index based floating interest rate is subject to contractual maximum base rate of 3.50%.
[36] Index based floating interest rate is subject to contractual maximum base rate of 2.50%.
[37] Index based floating interest rate is subject to contractual maximum base rate of 2.50%
[38] The Company has entered into an intercreditor agreement that entitles the Company to the “last out” tranche of the first lien secured loans, whereby the “first out” tranche will receive priority as to the “last out” tranche with respect to payments of principal, interest, and any other amounts due thereunder. Therefore, the Company receives a higher interest rate than the contractual stated interest rate of Prime+5.10% (Floor 2.00%) per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate.
[39] The Company has entered into an intercreditor agreement that entitles the Company to the “last out” tranche of the first lien secured loans, whereby the “first out” tranche will receive priority as to the “last out” tranche with respect to payments of principal, interest, and any other amounts due thereunder. Therefore, the Company receives a higher interest rate than the contractual stated interest rate of SOFR+6.00% (Floor 1.00%) per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate.
[40] Maturity date is under on-going negotiations with the portfolio company and other lenders, if applicable.
[41] Shares/Units represent ownership in a related Real Estate or HoldCo entity.
[42] Shares/Units represent ownership in a related Real Estate or HoldCo entity.
[43] The Company has entered into an intercreditor agreement that entitles the Company to the “last out” tranche of the first lien secured loans, whereby the “first out” tranche will receive priority as to the “last out” tranche with respect to payments of principal, interest, and any other amounts due thereunder. Therefore, the Company receives a higher interest rate than the contractual stated interest rate of SOFR+8.00% (Floor 1.50%) per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate.
[44] The Company has entered into an intercreditor agreement that entitles the Company to the “last out” tranche of the first lien secured loans, whereby the “first out” tranche will receive priority as to the “last out” tranche with respect to payments of principal, interest, and any other amounts due thereunder. Therefore, the Company receives a higher interest rate than the contractual stated interest rate of SOFR+8.00% (Floor 1.50%) per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate.
[45] Investment is not unitized. Presentation is made in percent of fully diluted ownership unless otherwise indicated.
[46] Investment is not unitized. Presentation is made in percent of fully diluted ownership unless otherwise indicated.
[47] 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.
[48] As of March 31, 2023, borrowings under the loan facility bore 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.
[49] 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.
[50] 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.
[51] 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.
[52] 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.
[53] 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.
[54] As of March 31, 2023, borrowings under the loan facility bore interest at SOFR+6.00% (Floor 1.00%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of March 31, 2023.
[55] Index based floating interest rate is subject to contractual maximum base rate of 3.00%.
[56] Index based floating interest rate is subject to contractual maximum base rate of 2.00%.
[57] Index based floating interest rate is subject to contractual maximum base rate of 1.50%.
[58] 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.
[59] As of December 31, 2022, borrowings under the loan facility bore interest at LIBOR+6.50% PIK or Prime+5.50% PIK. Revolving 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 shares/units with a strike price of $1.50 per share/unit.
[61] Warrants are presented in equivalent shares/units with a strike price of $1.00 per share/unit.
[62] 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.
[63] 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.
[64] 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.
[65] External Investment Manager. Investment is not encumbered as security for the Company's Credit Facilities or in support of the SBA-guaranteed debentures issued by the Funds.
[66] External Investment Manager. Investment is not encumbered as security for the Company’s Credit Facilities or in support of the SBA-guaranteed debentures issued by the Funds.
[67] 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.
[68] 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.
[69] 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.
[70] 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.
[71] Warrants are presented in equivalent units with a strike price of $14.28 per unit.
[72] Warrants are presented in equivalent units with a strike price of $14.28 per unit.
[73] As of December 31, 2022, borrowings under the loan facility bore interest at SOFR+7.75% (Floor 1.25%). 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.
[74] Portfolio company is in a bankruptcy process and, as such, the maturity date of our debt investment in this portfolio company will not be finally determined until such process is complete. As noted in footnote (14), our debt investment in this portfolio company is on non-accrual status.
[75] In connection with the Company's debt investment in Staples Canada ULC and in an attempt to mitigate any potential adverse change in foreign exchange rates during the term of the Company’s investment, the Company maintains a forward foreign currency contract with Cadence Bank to lend $16.2 million Canadian Dollars and receive $12.5 million U.S. Dollars with a settlement date of September 14, 2023. The unrealized appreciation on the forward foreign currency contract was $0.5 million as of March 31, 2023
[76] In connection with the Company’s debt investment in Staples Canada ULC and in an attempt to mitigate any potential adverse change in foreign exchange rates during the term of the Company’s investment, the Company maintains a forward foreign currency contract with Cadence Bank to lend $16.9 million Canadian Dollars and receive $13.1 million U.S. Dollars with a settlement date of September 14, 2023. The unrealized appreciation on the forward foreign currency contract was $0.6 million as of December 31, 2022.
[77] Short-term portfolio investments. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of short-term portfolio investments.
[78] Short-term portfolio investments. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of short-term portfolio investments.
[79] 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.
[80] 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.