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CONSOLIDATED SCHEDULE OF INVESTMENTS - USD ($)
$ in Thousands
Dec. 31, 2023
Mar. 31, 2023
Schedule of Investments [Line Items]    
Cost $ 1,369,906 [1],[2],[3],[4],[5],[6],[7],[8] $ 1,220,152 [9],[10],[11],[12]
Fair Value 1,365,037 [1],[3],[5],[6],[7],[8],[13] 1,206,388 [10],[12],[14]
Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 1,198,537  
Fair Value [13] 1,181,737  
Equity Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 90,569  
Fair Value [13] 129,100  
Aerospace & Defense    
Schedule of Investments [Line Items]    
Cost 21,792 5,898
Fair Value 22,500 6,000
Aerospace & Defense | Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 21,792  
Fair Value [13] 22,500  
Business Services    
Schedule of Investments [Line Items]    
Cost 155,291 147,056
Fair Value 148,002 146,727
Business Services | Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 149,650  
Fair Value [13] 144,118  
Business Services | Equity Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 5,641  
Fair Value [13] 3,884  
Consumer Products and Retail    
Schedule of Investments [Line Items]    
Cost 83,561 86,607
Fair Value 85,638 86,385
Consumer Products and Retail | Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 76,821  
Fair Value [13] 77,878  
Consumer Products and Retail | Equity Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 6,740  
Fair Value [13] 7,760  
Consumer Services    
Schedule of Investments [Line Items]    
Cost 99,903 91,142
Fair Value 100,527 91,913
Consumer Services | Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 94,559  
Fair Value [13] 93,741  
Consumer Services | Equity Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 5,344  
Fair Value [13] 6,786  
Distribution    
Schedule of Investments [Line Items]    
Cost 18,611 18,755
Fair Value 16,490 16,315
Distribution | Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 17,711  
Fair Value [13] 15,892  
Distribution | Equity Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 900  
Fair Value [13] 598  
Education    
Schedule of Investments [Line Items]    
Cost 25,539 25,995
Fair Value 22,466 26,357
Education | Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 18,694  
Fair Value [13] 17,795  
Education | Equity Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 6,845  
Fair Value [13] 4,671  
Energy Services (Midstream)    
Schedule of Investments [Line Items]    
Cost 15,223 23,337
Fair Value 15,313 22,829
Energy Services (Midstream) | Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 15,223  
Fair Value [13] 15,313  
Energy Services (Upstream)    
Schedule of Investments [Line Items]    
Cost 12,384 17,402
Fair Value 12,586 17,730
Energy Services (Upstream) | Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 12,384  
Fair Value [13] 12,586  
Environmental Services    
Schedule of Investments [Line Items]    
Cost 43,153 34,869
Fair Value 44,165 29,753
Environmental Services | Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 38,688  
Fair Value [13] 38,719  
Environmental Services | Equity Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 4,465  
Fair Value [13] 5,446  
Financial services    
Schedule of Investments [Line Items]    
Cost 42,913 30,950
Fair Value 57,827 40,420
Financial services | Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 40,913  
Fair Value [13] 41,291  
Financial services | Equity Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 2,000  
Fair Value [13] 16,536  
Food, Agriculture & Beverage    
Schedule of Investments [Line Items]    
Cost 97,909 73,223
Fair Value 89,397 68,833
Food, Agriculture & Beverage | Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 91,659  
Fair Value [13] 85,525  
Food, Agriculture & Beverage | Equity Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 6,250  
Fair Value [13] 3,872  
Healthcare Products    
Schedule of Investments [Line Items]    
Cost 78,335 67,555
Fair Value 80,257 66,355
Healthcare Products | Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 74,135  
Fair Value [13] 73,749  
Healthcare Products | Equity Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 4,200  
Fair Value [13] 6,508  
Healthcare Services    
Schedule of Investments [Line Items]    
Cost 211,005 143,455
Fair Value 201,462 126,971
Healthcare Services | Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 192,434  
Fair Value [13] 191,176  
Healthcare Services | Equity Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 18,571  
Fair Value [13] 10,286  
Industrial Products    
Schedule of Investments [Line Items]    
Cost 39,484 25,827
Fair Value 52,545 32,518
Industrial Products | Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 35,984  
Fair Value [13] 36,418  
Industrial Products | Equity Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 3,500  
Fair Value [13] 16,127  
Industrial Services    
Schedule of Investments [Line Items]    
Cost 29,438 24,920
Fair Value 29,924 25,460
Industrial Services | Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 29,438  
Fair Value [13] 29,924  
Media & Marketing    
Schedule of Investments [Line Items]    
Cost 168,006 139,750
Fair Value 172,578 149,357
Media & Marketing | Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 159,765  
Fair Value [13] 155,039  
Media & Marketing | Equity Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 8,241  
Fair Value [13] 17,539  
Restaurants    
Schedule of Investments [Line Items]    
Cost 15,664  
Fair Value 15,680  
Restaurants | Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 15,664  
Fair Value [13] 15,680  
Software & IT Services    
Schedule of Investments [Line Items]    
Cost 32,186 47,563
Fair Value 33,211 47,641
Software & IT Services | Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 27,062  
Fair Value [13] 27,429  
Software & IT Services | Equity Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 5,125  
Fair Value [13] 5,782  
Specialty Chemicals    
Schedule of Investments [Line Items]    
Cost 15,100 17,531
Fair Value 15,102 17,839
Specialty Chemicals | Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 15,100  
Fair Value [13] 15,102  
Technology Products & Components    
Schedule of Investments [Line Items]    
Cost 9,838 43,016
Fair Value 15,812 59,718
Technology Products & Components | Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 5,740  
Fair Value [13] 5,775  
Technology Products & Components | Equity Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 4,097  
Fair Value [13] 10,037  
Telecommunications    
Schedule of Investments [Line Items]    
Cost 16,619 21,796
Fair Value 15,818 17,386
Telecommunications | Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 15,398  
Fair Value [13] 14,418  
Telecommunications | Equity Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 1,221  
Fair Value [13] 1,400  
Transportation & Logistics    
Schedule of Investments [Line Items]    
Cost 46,502 42,049
Fair Value 54,361 48,494
Transportation & Logistics | Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 39,073  
Fair Value [13] 42,493  
Transportation & Logistics | Equity Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 7,429  
Fair Value [13] 11,868  
Containers & Packaging    
Schedule of Investments [Line Items]    
Cost 10,650 10,656
Fair Value 9,176 10,131
Containers & Packaging | Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 10,650  
Fair Value [13] 9,176  
EDGE AUTONOMY HOLDINGS, LLC    
Schedule of Investments [Line Items]    
Cost [2],[4] 21,792  
Fair Value [13] 22,500  
C&M CONVEYOR, INC.    
Schedule of Investments [Line Items]    
Cost 12,798 [2],[4] 12,754 [9],[11]
Fair Value 13,000 [13] 12,754 [14]
DYNAMIC COMMUNITIES, LLC    
Schedule of Investments [Line Items]    
Cost [9],[11]   10,138
Fair Value [14]   10,509
Dynamic Communities, LLC, Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4],[6] 8,326  
Fair Value [6],[13] 8,366  
FS VECTOR LLC    
Schedule of Investments [Line Items]    
Cost [2],[4] 17,642  
Fair Value [13] 17,694  
GAINS INTERMEDIATE, LLC    
Schedule of Investments [Line Items]    
Cost 13,971 [2],[4] 14,504 [9],[11]
Fair Value 14,250 [13] 14,716 [14]
MAKO STEEL LP    
Schedule of Investments [Line Items]    
Cost 7,684 [2],[4] 8,699 [9],[11]
Fair Value 7,777 [13] 8,778 [14]
SPOTLIGHT AR, LLC    
Schedule of Investments [Line Items]    
Cost 6,556 [2],[4] 8,092 [9],[11]
Fair Value 6,656 [13] 8,453 [14]
SYSTEC CORPORATION    
Schedule of Investments [Line Items]    
Cost 9,348 [2],[4] 10,462 [9],[11]
Fair Value 9,355 [13] 10,600 [14]
WINTER SERVICES OPERATIONS, LLC    
Schedule of Investments [Line Items]    
Cost 26,824 [2],[4] 19,596 [9],[11]
Fair Value 26,961 [13] 20,000 [14]
ZENFOLIO INC.    
Schedule of Investments [Line Items]    
Cost 20,681 [2],[4] 20,756 [9],[11]
Fair Value 20,584 [13] 20,432 [14]
ATS OPERATING, LLC    
Schedule of Investments [Line Items]    
Cost 18,727 [2],[4] 19,668 [9],[11]
Fair Value 18,939 [13] 19,696 [14]
CATBIRD NYC, LLC    
Schedule of Investments [Line Items]    
Cost [9],[11]   16,708
Fair Value [14]   17,872
Catbird NYC, LLC, Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4],[6] 14,966  
Fair Value [6],[13] 15,200  
LASH OPCO, LLC    
Schedule of Investments [Line Items]    
Cost 10,879 [2],[4] 10,651 [9],[11]
Fair Value 10,852 [13] 10,440 [14]
RTIC SUBSIDIARY HOLDINGS, LLC    
Schedule of Investments [Line Items]    
Cost 6,142 [2],[4] 6,936 [9],[11]
Fair Value 5,992 [13] 6,079 [14]
AIR CONDITIONING SPECIALIST, INC.    
Schedule of Investments [Line Items]    
Cost 25,057 [2],[4],[6] 28,515 [9],[11]
Fair Value 25,294 [6],[13] 29,440 [14]
NATIONAL CREDIT CARE, LLC    
Schedule of Investments [Line Items]    
Cost 19,181 [2],[4] 21,127 [9],[11]
Fair Value 18,518 [13] 21,100 [14]
POOL SERVICE PARTNERS, INC.    
Schedule of Investments [Line Items]    
Cost [2],[4],[6] 4,797  
Fair Value [6],[13] 4,900  
ROOF OPCO, LLC    
Schedule of Investments [Line Items]    
Cost [9],[11]   21,975
Fair Value [14]   21,821
Roof OpCo, LLC, Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 26,088  
Fair Value [13] 25,462  
ZIPS CAR WASH, LLC    
Schedule of Investments [Line Items]    
Cost 19,436 [2],[4] 19,525 [9],[11]
Fair Value 19,567 [13] 19,553 [14]
KMS, INC.    
Schedule of Investments [Line Items]    
Cost [9],[11],[15]   17,855
Fair Value [14],[15]   16,315
WALL STREET PREP, INC.    
Schedule of Investments [Line Items]    
Cost [9],[11]   11,423
Fair Value [14]   11,793
Wall Street Prep, Inc., Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 9,191  
Fair Value [13] 9,308  
PIPELINE TECHNIQUE LTD.    
Schedule of Investments [Line Items]    
Cost 10,113 [2],[4],[16],[17] 10,015 [9],[11],[18]
Fair Value 10,306 [13],[16],[17] 10,055 [14],[18]
WELL-FOAM, INC.    
Schedule of Investments [Line Items]    
Cost 12,384 [2],[4] 17,402 [9],[11]
Fair Value 12,586 [13] 17,730 [14]
ARBORWORKS, LLC    
Schedule of Investments [Line Items]    
Cost [9],[11]   14,473
Fair Value [14]   10,972
ArborWorks, LLC, Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4],[6] 3,836  
Fair Value [6],[13] 3,836  
ISLAND PUMP AND TANK, LLC    
Schedule of Investments [Line Items]    
Cost 24,540 [2],[4] 10,044 [9],[11]
Fair Value 25,000 [13] 10,044 [14]
LIGHTING RETROFIT INTERNATIONAL, LLC    
Schedule of Investments [Line Items]    
Cost [9],[11]   10,351
Fair Value [14]   8,737
LIGHTING RETROFIT INTERNATIONAL, LLC6, Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4],[6] 10,312  
Fair Value [6],[13] 9,883  
NINJATRADER, INC.    
Schedule of Investments [Line Items]    
Cost 29,203 [2],[4] 24,833 [9],[11]
Fair Value 29,586 [13] 34,288 [14]
AMERICAN NUTS OPERATIONS LLC    
Schedule of Investments [Line Items]    
Cost 24,960 [2],[4] 26,334 [9],[11]
Fair Value 18,374 [13] 20,936 [14]
GULF PACIFIC ACQUISITION, LLC    
Schedule of Investments [Line Items]    
Cost 4,278 [2],[4] 4,195 [9],[11]
Fair Value 4,287 [13] 4,217 [14]
MAMMOTH BORROWCO, INC.    
Schedule of Investments [Line Items]    
Cost [2],[4] 20,843  
Fair Value [13] 20,970  
MUENSTER MILLING COMPANY, LLC    
Schedule of Investments [Line Items]    
Cost [9],[11]   22,390
Fair Value [14]   22,985
MUENSTER MILLING COMPANY, LLC, Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 21,462  
Fair Value [13] 21,364  
NEW SKINNY MIXES, LLC    
Schedule of Investments [Line Items]    
Cost 13,192 [2],[4] 12,646 [9],[11]
Fair Value 13,500 [13] 12,753 [14]
LGM PHARMA, LLC    
Schedule of Investments [Line Items]    
Cost 18,928 [2],[4] 15,640 [9],[11]
Fair Value 19,081 [13] 15,783 [14]
LIGHTNING INTERMEDIATE II, LLC    
Schedule of Investments [Line Items]    
Cost 22,478 [2],[4] 22,887 [9],[11]
Fair Value 21,694 [13] 22,721 [14]
LKC TECHNOLOGIES, INC.    
Schedule of Investments [Line Items]    
Cost [2],[4] 6,345  
Fair Value [13] 6,500  
MICROBE FORMULAS LLC    
Schedule of Investments [Line Items]    
Cost 9,843 [2],[4] 11,394 [9],[11]
Fair Value 10,016 [13] 11,505 [14]
SCRIP INC.    
Schedule of Investments [Line Items]    
Cost [9],[11]   17,634
Fair Value [14]   16,345
AAC NEW HOLDCO INC.    
Schedule of Investments [Line Items]    
Cost [9],[11]   14,452
Fair Value [14]   11,703
AAC NEW HOLDCO INC., Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 12,028  
Fair Value [13] 11,898  
CAVALIER BUYER, INC.    
Schedule of Investments [Line Items]    
Cost [9],[11]   6,978
Fair Value [14]   6,997
CAVALIER BUYER, INC., Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 6,354  
Fair Value [13] 6,500  
CDC DENTAL MANAGEMENT CO., LLC    
Schedule of Investments [Line Items]    
Cost [2],[4] 10,747  
Fair Value [13] 10,786  
CENTRAL MEDICAL SUPPLY LLC    
Schedule of Investments [Line Items]    
Cost 7,860 [2],[4],[6] 8,777 [9],[11]
Fair Value 7,926 [6],[13] 8,154 [14]
CITYVET, INC.    
Schedule of Investments [Line Items]    
Cost [2],[4] 14,667  
Fair Value [13] 14,985  
HH-INSPIRE ACQUISITION, INC.    
Schedule of Investments [Line Items]    
Cost [2],[4] 8,509  
Fair Value [13] 8,018  
INSTITUTES OF HEALTH, LLC    
Schedule of Investments [Line Items]    
Cost [2],[4] 14,692  
Fair Value [13] 14,714  
NEUROPSYCHIATRIC HOSPITALS, LLC    
Schedule of Investments [Line Items]    
Cost 37,391 [2],[4] 22,185 [9],[11]
Fair Value 38,007 [13] 20,737 [14]
OPCO BORROWER, LLC    
Schedule of Investments [Line Items]    
Cost 11,372 [2],[4] 11,925 [9],[11]
Fair Value 11,661 [13] 12,451 [14]
ROSELAND MANAGEMENT, LLC    
Schedule of Investments [Line Items]    
Cost [9],[11]   17,359
Fair Value [14]   16,356
ROSELAND MANAGEMENT, LLC, Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4],[6] 15,218  
Fair Value [6],[13] 15,242  
VERSICARE MANAGEMENT LLC    
Schedule of Investments [Line Items]    
Cost 23,922 [2],[4] 15,544 [9],[11]
Fair Value 24,400 [13] 15,614 [14]
DAMOTECH INC., Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4],[16],[17] 12,899  
Fair Value [13],[16],[17] 12,949  
GPT INDUSTRIES, LLC    
Schedule of Investments [Line Items]    
Cost 5,884 [2],[4],[6] 6,972 [9],[11]
Fair Value 6,039 [6],[13] 7,030 [14]
THE PRODUCTO GROUP, LLC    
Schedule of Investments [Line Items]    
Cost [9],[11]   18,855
Fair Value [14]   25,488
FM SYLVAN, INC.    
Schedule of Investments [Line Items]    
Cost 16,500 [2],[4] 13,553 [9],[11]
Fair Value 16,850 [13] 13,963 [14]
USA DEBUSK, LLC    
Schedule of Investments [Line Items]    
Cost [2],[4] 12,938  
Fair Value [13] 13,074  
360 QUOTE TOPCO, LLC    
Schedule of Investments [Line Items]    
Cost 25,867 [2],[4] 27,883 [9],[11]
Fair Value 20,922 [13] 26,131 [14]
ACCELERATION, LLC    
Schedule of Investments [Line Items]    
Cost [9],[11]   31,773
Fair Value [14]   33,031
ACCELERATION, LLC, Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 28,839  
Fair Value [13] 28,964  
BOND BRAND LOYALTY ULC, Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4],[16],[17] 17,598  
Fair Value [13],[16],[17] 17,632  
EXACT BORROWER, LLC    
Schedule of Investments [Line Items]    
Cost 19,842 [2],[4] 19,472 [9],[11]
Fair Value 20,213 [13] 19,697 [14]
IGNITE VISIBILITY LLC, Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 9,803  
Fair Value [13] 9,852  
OUTERBOX, LLC    
Schedule of Investments [Line Items]    
Cost 14,437 [2],[4],[6] 15,034 [9],[11]
Fair Value 14,523 [6],[13] 15,325 [14]
SWENSONS DRIVE-IN RESTAURANTS, LLC    
Schedule of Investments [Line Items]    
Cost [2],[4] 15,664  
Fair Value [13] 15,680  
ACACIA BUYERCO V LLC    
Schedule of Investments [Line Items]    
Cost 12,233 [2],[4] 13,200 [9],[11]
Fair Value 12,500 [13] 13,300 [14]
CADMIUM, LLC    
Schedule of Investments [Line Items]    
Cost 7,925 [2],[4] 7,937 [9],[11]
Fair Value 7,929 [13] 7,728 [14]
GRAMMATECH, INC.    
Schedule of Investments [Line Items]    
Cost [9],[11]   11,313
Fair Value [14]   10,403
GrammaTech, Inc., Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4],[6] 1,986  
Fair Value [6],[13] 2,000  
ISI ENTERPRISES, LLC    
Schedule of Investments [Line Items]    
Cost [9],[11]   5,898
Fair Value [14]   6,000
ISI Enterprises, LLC, Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 4,918  
Fair Value [13] 5,000  
SOUTH COAST TERMINALS, LLC    
Schedule of Investments [Line Items]    
Cost 15,100 [2],[4] 17,532 [9],[11]
Fair Value 15,102 [13] 17,839 [14]
TRAFERA, LLC (FKA TRINITY 3, LLC)    
Schedule of Investments [Line Items]    
Cost [9],[11]   7,024
Fair Value [14]   7,376
TRAFERA, LLC (FKA TRINITY 3, LLC), Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 5,740  
Fair Value [13] 5,775  
MERCURY ACQUISITION 2021, LLC    
Schedule of Investments [Line Items]    
Cost 15,398 [2],[4] 14,865 [9],[11]
Fair Value 14,418 [13] 15,312 [14]
ITA HOLDINGS GROUP, LLC    
Schedule of Investments [Line Items]    
Cost [9],[11]   27,595
Fair Value [14]   33,973
ITA Holdings Group, LLC, Debt Investments    
Schedule of Investments [Line Items]    
Cost [2],[4],[6] 24,025  
Fair Value [6],[13] 28,048  
US COURTSCRIPT HOLDINGS, INC.    
Schedule of Investments [Line Items]    
Cost 1,423 [2],[4] 17,963 [9],[11]
Fair Value 1,595 [13] 18,707 [14]
SHEARWATER RESEARCH, INC.    
Schedule of Investments [Line Items]    
Cost [9],[11],[18]   14,443
Fair Value [14],[18]   16,286
CATBIRD NYC, LLC, Equity Investments    
Schedule of Investments [Line Items]    
Cost [2],[4],[6] 1,500  
Fair Value [6],[13] 2,372  
Shearwater Research, Inc., Equity Investments    
Schedule of Investments [Line Items]    
Cost [2],[4],[16],[17] 636  
Fair Value [13],[16],[17] 2,083  
Roof OpCo, LLC, Equity Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 1,000  
Fair Value [13] 1,037  
STUDENT RESOURCE CENTER LLC    
Schedule of Investments [Line Items]    
Cost 5,845 [2],[4],[6] 14,572 [9],[11],[19]
Fair Value 2,659 [6],[13] 14,565 [14],[19]
ArborWorks, LLC, Equity Investments    
Schedule of Investments [Line Items]    
Cost [2],[4],[6] 3,270  
Fair Value [6],[13] 3,175  
LIGHTING RETROFIT INTERNATIONAL, LLC, Equity Investments    
Schedule of Investments [Line Items]    
Cost [2],[4],[6] 0  
Fair Value [6],[13] 0  
Muenster Milling Company, LLC, Equity Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 1,500  
Fair Value [13] 1,210  
AAC NEW HOLDCO INC., Equity Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 3,983  
Fair Value [13] 1,597  
CAVALIER BUYER, INC., Equity Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 690  
Fair Value [13] 726  
Roseland Management, LLC, Equity Investments    
Schedule of Investments [Line Items]    
Cost [2],[4],[6] 1,785  
Fair Value [6],[13] 1,845  
STATINMED, LLC    
Schedule of Investments [Line Items]    
Cost 6,238 [2],[4],[6] 13,648 [9],[11]
Fair Value 0 [6],[13] 11,177 [14]
DAMOTECH INC., Equity Investments    
Schedule of Investments [Line Items]    
Cost [2],[4],[16],[17] 1,000  
Fair Value [13],[16],[17] 1,908  
Acceleration, LLC, Equity Securities    
Schedule of Investments [Line Items]    
Cost [2],[4] 1,000  
Fair Value [13] 1,263  
ACCELERATION PARTNERS, LLC    
Schedule of Investments [Line Items]    
Cost 1,033 [2],[4] 20,195 [9],[11]
Fair Value 1,063 [13] 20,773 [14]
BOND BRAND LOYALTY ULC, Equity Securities    
Schedule of Investments [Line Items]    
Cost [2],[4],[16],[17] 1,000  
Fair Value [13],[16],[17] 1,000  
IGNITE VISIBILITY LLC, Equity Interest    
Schedule of Investments [Line Items]    
Cost [2],[4] 1,000  
Fair Value [13] 1,000  
BROAD SKY NETWORKS LLC    
Schedule of Investments [Line Items]    
Cost 1,221 [2],[4] 1,221 [9],[11]
Fair Value 1,400 [13] 1,779 [14]
GUARDIAN FLEET SERVICES, INC.    
Schedule of Investments [Line Items]    
Cost 1,600 [2],[4] 5,956 [9],[11]
Fair Value 1,620 [13] 5,956 [14]
ITA Holdings Group, LLC, Equity Securities    
Schedule of Investments [Line Items]    
Cost [2],[4],[6] 5,829  
Fair Value [6],[13] 10,248  
INFOLINKS MEDIA BUYCO, LLC    
Schedule of Investments [Line Items]    
Cost [9],[11]   8,109
Fair Value [14]   8,597
ALLIANCE SPORTS GROUP, L.P.    
Schedule of Investments [Line Items]    
Cost [9],[11]   2,673
Fair Value [14]   2,892
AMERICAN TELECONFERENCING SERVICES, LTD.    
Schedule of Investments [Line Items]    
Cost [9],[11]   5,711
Fair Value [14]   295
FLIP ELECTRONICS, LLC    
Schedule of Investments [Line Items]    
Cost [9],[11]   35,991
Fair Value [14]   52,341
FOOD PHARMA SUBSIDIARY HOLDINGS, LLC    
Schedule of Investments [Line Items]    
Cost [9],[11]   7,658
Fair Value [14]   7,941
NWN PARENT HOLDINGS, LLC    
Schedule of Investments [Line Items]    
Cost [9],[11]   13,516
Fair Value [14]   13,516
SIB HOLDINGS, LLC    
Schedule of Investments [Line Items]    
Cost [9],[11]   12,429
Fair Value [14]   12,132
SPECTRUM OF HOPE, LLC    
Schedule of Investments [Line Items]    
Cost [9],[11]   23,020
Fair Value [14]   22,934
DELPHI BEHAVIORAL HEALTH GROUP, LLC    
Schedule of Investments [Line Items]    
Cost [9],[11]   8,541
Fair Value [14]   0
ISI Enterprises, LLC, Equity Investments    
Schedule of Investments [Line Items]    
Cost [2],[4] 1,167  
Fair Value [13] 1,810  
GrammaTech, Inc., Equity Investments    
Schedule of Investments [Line Items]    
Cost [2],[4],[6] 1,360  
Fair Value [6],[13] 0  
Dynamic Communities, LLC, Equity Investments    
Schedule of Investments [Line Items]    
Cost [2],[4],[6] 2,468  
Fair Value [6],[13] 317  
Investment, Identifier [Axis]: 360 QUOTE TOPCO, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 22,840 [20] 25,000 [21]
Cost 22,589 [2],[4],[20] 24,674 [9],[11],[21]
Fair Value 18,272 [13],[20] 23,125 [14],[21]
Investment, Identifier [Axis]: 360 QUOTE TOPCO, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 3,313 3,250
Cost 3,278 [2],[4] 3,209 [9],[11]
Fair Value 2,650 [13] 3,006 [14]
Investment, Identifier [Axis]: AAC NEW HOLDCO INC., 374,543 shares common stock    
Schedule of Investments [Line Items]    
Cost [2],[4] 1,785  
Fair Value [13] 716  
Investment, Identifier [Axis]: AAC NEW HOLDCO INC., Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal 352 [22] 274 [23]
Cost 349 [2],[4],[22] 270 [9],[11],[23]
Fair Value 348 [13],[22] 264 [14],[23]
Investment, Identifier [Axis]: AAC NEW HOLDCO INC., First Lien    
Schedule of Investments [Line Items]    
Principal 11,679 10,199
Cost 11,679 [2],[4] 10,199 [9],[11]
Fair Value 11,550 [13] 9,842 [14]
Investment, Identifier [Axis]: AAC NEW HOLDCO INC., Shares common stock    
Schedule of Investments [Line Items]    
Principal   0
Cost [9],[11]   1,785
Fair Value [14]   716
Investment, Identifier [Axis]: AAC NEW HOLDCO INC., Warrants (Expiration - December 11, 2025)    
Schedule of Investments [Line Items]    
Principal   0
Cost 2,198 [2],[4] 2,198 [9],[11]
Fair Value 881 [13] 881 [14]
Investment, Identifier [Axis]: ACACIA BUYERCO V LLC, 1,000,000 Class B-2 Units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost 1,000 [2],[4],[17],[25] 1,000 [9],[11],[18],[24]
Fair Value 1,000 [13],[17],[25] 1,000 [14],[18],[24]
Investment, Identifier [Axis]: ACACIA BUYERCO V LLC, Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal 7,500 7,500 [23]
Cost 7,347 [2],[4] 7,332 [9],[11],[23]
Fair Value 7,500 [13] 7,380 [14],[23]
Investment, Identifier [Axis]: ACACIA BUYERCO V LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal 5,000 5,000
Cost 4,917 [2],[4] 4,905 [9],[11]
Fair Value 5,000 [13] 4,920 [14]
Investment, Identifier [Axis]: ACACIA BUYERCO V LLC, Revolver Loan    
Schedule of Investments [Line Items]    
Principal 0 [22] 0 [23]
Cost (31) [2],[4],[22] (37) [9],[11],[23]
Fair Value 0 [13],[22] 0 [14],[23]
Investment, Identifier [Axis]: ACCELERATION PARTNERS, LLC, Class A Common Units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost [9],[11],[18],[24]   14
Fair Value [14],[18],[24]   0
Investment, Identifier [Axis]: ACCELERATION PARTNERS, LLC, 1,019 Class A Common Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 14  
Fair Value [13],[17],[25] 0  
Investment, Identifier [Axis]: ACCELERATION PARTNERS, LLC, 1,019 Preferred Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 1,019  
Fair Value [13],[17],[25] 1,063  
Investment, Identifier [Axis]: ACCELERATION PARTNERS, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 19,550 [26] 19,550 [27]
Cost 19,252 [2],[4],[26] 19,162 [9],[11],[27]
Fair Value 19,452 [13],[26] 19,550 [14],[27]
Investment, Identifier [Axis]: ACCELERATION PARTNERS, LLC, Preferred Units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost [9],[11],[18],[24]   1,019
Fair Value [14],[18],[24]   1,223
Investment, Identifier [Axis]: ACCELERATION, LLC, 1,611.22 Common Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 107  
Fair Value [13],[17],[25] 0  
Investment, Identifier [Axis]: ACCELERATION, LLC, 13,451.22 Preferred Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 893  
Fair Value [13],[17],[25] 1,263  
Investment, Identifier [Axis]: ACCELERATION, LLC, Common Units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost [9],[11],[18],[24]   107
Fair Value [14],[18],[24]   165
Investment, Identifier [Axis]: ACCELERATION, LLC, Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal [23]   0
Cost [9],[11],[23]   (42)
Fair Value [14],[23]   0
Investment, Identifier [Axis]: ACCELERATION, LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal 9,123 9,228
Cost 8,987 [2],[4] 9,067 [9],[11]
Fair Value 8,886 [13] 9,228 [14]
Investment, Identifier [Axis]: ACCELERATION, LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal 9,123 9,228
Cost 8,986 [2],[4] 9,066 [9],[11]
Fair Value 9,005 [13] 9,228 [14]
Investment, Identifier [Axis]: ACCELERATION, LLC, First Lien - Term Loan C    
Schedule of Investments [Line Items]    
Principal 9,123 9,228
Cost 8,985 [2],[4] 9,066 [9],[11]
Fair Value 9,123 [13] 9,228 [14]
Investment, Identifier [Axis]: ACCELERATION, LLC, Preferred Units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost [9],[11],[18],[24]   893
Fair Value [14],[18],[24]   1,482
Investment, Identifier [Axis]: ACCELERATION, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 1,950 [22] 3,700 [23]
Cost 1,881 [2],[4],[22] 3,616 [9],[11],[23]
Fair Value 1,950 [13],[22] 3,700 [14],[23]
Investment, Identifier [Axis]: ACE GATHERING, INC.    
Schedule of Investments [Line Items]    
Principal [15]   7,698
Cost [9],[11],[15]   7,668
Fair Value [14],[15]   7,082
Investment, Identifier [Axis]: ACE GATHERING, INC., Second Lien    
Schedule of Investments [Line Items]    
Principal [28] 5,110  
Cost [2],[4],[28] 5,110  
Fair Value [13],[28] 5,007  
Investment, Identifier [Axis]: AIR CONDITIONING SPECIALIST, INC., 1,006,045.85 Preferred Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[6],[17],[25] 1,344  
Fair Value [6],[13],[17],[25] 2,749  
Investment, Identifier [Axis]: AIR CONDITIONING SPECIALIST, INC., Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal [6],[22] 0  
Cost [2],[4],[6],[22] 0  
Fair Value [6],[13],[22] 0  
Investment, Identifier [Axis]: AIR CONDITIONING SPECIALIST, INC., First Lien    
Schedule of Investments [Line Items]    
Principal 24,469 [6] 27,438
Cost 24,246 [2],[4],[6] 26,940 [9],[11]
Fair Value 24,469 [6],[13] 27,438 [14]
Investment, Identifier [Axis]: AIR CONDITIONING SPECIALIST, INC., Preferred Units    
Schedule of Investments [Line Items]    
Principal 0 0 [18],[24]
Cost [9],[11],[18],[24]   809
Fair Value 2,749 1,202 [14],[18],[24]
Investment, Identifier [Axis]: AIR CONDITIONING SPECIALIST, INC., Revolving Loan    
Schedule of Investments [Line Items]    
Principal 825 [6],[22] 800 [23]
Cost 811 [2],[4],[6],[22] 766 [9],[11],[23]
Fair Value 825 [6],[13],[22] 800 [14],[23]
Investment, Identifier [Axis]: ALLIANCE SPORTS GROUP, L.P., 3.88% membership preferred interest    
Schedule of Investments [Line Items]    
Cost [2],[4] 2,500  
Fair Value [13] 1,201  
Investment, Identifier [Axis]: ALLIANCE SPORTS GROUP, L.P., Membership preferred interest    
Schedule of Investments [Line Items]    
Principal   0
Cost [9],[11]   2,500
Fair Value [14]   2,691
Investment, Identifier [Axis]: ALLIANCE SPORTS GROUP, L.P., Unsecured convertible Note    
Schedule of Investments [Line Items]    
Principal 173 173
Cost 173 [2],[4] 173 [9],[11]
Fair Value 173 [13] 201 [14]
Investment, Identifier [Axis]: AMERICAN NUTS OPERATIONS LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal 12,944 [29] 11,716
Cost 12,903 [2],[4],[29] 11,667 [9],[11]
Fair Value 10,505 [13],[29] 10,978 [14]
Investment, Identifier [Axis]: AMERICAN NUTS OPERATIONS LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal 12,106 [29] 11,716
Cost 12,057 [2],[4],[29] 11,667 [9],[11]
Fair Value 7,869 [13],[29] 9,958 [14]
Investment, Identifier [Axis]: AMERICAN NUTS OPERATIONS LLC, Units of Class A common stock    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost 3,000 [2],[4],[17],[25] 3,000 [9],[11],[18],[24]
Fair Value 0 [13],[17],[25] 0 [14],[18],[24]
Investment, Identifier [Axis]: AMERICAN TELECONFERENCING SERVICES, LTD., First Lien    
Schedule of Investments [Line Items]    
Principal [30]   4,899
Cost [9],[11],[30]   4,858
Fair Value [14],[30]   251
Investment, Identifier [Axis]: AMERICAN TELECONFERENCING SERVICES, LTD., Revolving Loan    
Schedule of Investments [Line Items]    
Principal [23],[30]   862
Cost [9],[11],[23],[30]   853
Fair Value [14],[23],[30]   44
Investment, Identifier [Axis]: ARBORWORKS, LLC, 1,666.67 Class A-1 Common Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[6] 0  
Fair Value [6],[13] 0  
Investment, Identifier [Axis]: ARBORWORKS, LLC, 13,898.32 Class A-1 Preferred Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[6] 3,170  
Fair Value [6],[13] 3,170  
Investment, Identifier [Axis]: ARBORWORKS, LLC, 13,898.32 Class B-1 Preferred Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[6] 0  
Fair Value [6],[13] 0  
Investment, Identifier [Axis]: ARBORWORKS, LLC, Class A Units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost [9],[11],[18],[24]   100
Fair Value [14],[18],[24]   0
Investment, Identifier [Axis]: ARBORWORKS, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 3,030 [6] 12,610
Cost 3,030 [2],[4],[6] 12,417 [9],[11]
Fair Value 3,030 [6],[13] 9,470 [14]
Investment, Identifier [Axis]: ARBORWORKS, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 806 [6],[22] 2,000 [23]
Cost 806 [2],[4],[6],[22] 1,956 [9],[11],[23]
Fair Value 806 [6],[13],[22] 1,502 [14],[23]
Investment, Identifier [Axis]: ARBORWORKS, LLC6, 100 Class A Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[6],[17],[25] 100  
Fair Value [6],[13],[17],[25] 5  
Investment, Identifier [Axis]: ASC ORTHO MANAGEMENT COMPANY, LLC, 2,572 Common Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 1,026  
Fair Value [13],[17],[25] 847  
Investment, Identifier [Axis]: ASC ORTHO MANAGEMENT COMPANY, LLC, Common Units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost [9],[11],[18],[24]   1,026
Fair Value [14],[18],[24]   847
Investment, Identifier [Axis]: ATS OPERATING, LLC, Preferred units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost [9],[11],[18],[24]   1,000
Fair Value [14],[18],[24]   1,000
Investment, Identifier [Axis]: ATS OPERATING, LLC, 1,000,000 Preferred units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 1,000  
Fair Value [13],[17],[25] 1,000  
Investment, Identifier [Axis]: ATS OPERATING, LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal 9,250 9,250
Cost 9,130 [2],[4] 9,104 [9],[11]
Fair Value 9,195 [13] 9,102 [14]
Investment, Identifier [Axis]: ATS OPERATING, LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal 9,250 9,250
Cost 9,127 [2],[4] 9,102 [9],[11]
Fair Value 9,250 [13] 9,102 [14]
Investment, Identifier [Axis]: ATS OPERATING, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 500 [22] 500 [23]
Cost 470 [2],[4],[22] 462 [9],[11],[23]
Fair Value 494 [13],[22] 492 [14],[23]
Investment, Identifier [Axis]: ArborWorks, LLC, Class A Units    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 5 0
Investment, Identifier [Axis]: ArborWorks, LLC, Class A-1 Common Units    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 0 0
Investment, Identifier [Axis]: ArborWorks, LLC, Class A-1 Preferred Units    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 3,170 0
Investment, Identifier [Axis]: ArborWorks, LLC, Class B-1 Preferred Units    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 0 0
Investment, Identifier [Axis]: ArborWorks, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 3,030  
Fair Value 3,030 0
Investment, Identifier [Axis]: ArborWorks, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 806  
Fair Value 806 0
Investment, Identifier [Axis]: BINSWANGER HOLDING CORP., 900,000 shares of common stock    
Schedule of Investments [Line Items]    
Cost [2],[4] 900  
Fair Value [13] 598  
Investment, Identifier [Axis]: BINSWANGER HOLDING CORP., Shares of common stock    
Schedule of Investments [Line Items]    
Principal   0
Cost [9],[11]   900
Fair Value [14]   0
Investment, Identifier [Axis]: BOND BRAND LOYALTY ULC, 1,000 Class A common units    
Schedule of Investments [Line Items]    
Cost [2],[4],[16],[17],[25] 0  
Fair Value [13],[16],[17],[25] 0  
Investment, Identifier [Axis]: BOND BRAND LOYALTY ULC, 1,000 Preferred units    
Schedule of Investments [Line Items]    
Cost [2],[4],[16],[17],[25] 1,000  
Fair Value [13],[16],[17],[25] 1,000  
Investment, Identifier [Axis]: BOND BRAND LOYALTY ULC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal [16],[17] 8,978  
Cost [2],[4],[16],[17] 8,816  
Fair Value [13],[16],[17] 8,816  
Investment, Identifier [Axis]: BOND BRAND LOYALTY ULC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal [16],[17] 8,978  
Cost [2],[4],[16],[17] 8,816  
Fair Value [13],[16],[17] 8,816  
Investment, Identifier [Axis]: BOND BRAND LOYALTY ULC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal [16],[17],[22] 0  
Cost [2],[4],[16],[17],[22] (34)  
Fair Value [13],[16],[17],[22] 0  
Investment, Identifier [Axis]: BROAD SKY NETWORKS LLC, 1,131,579 Series A Preferred units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 1,132  
Fair Value [13],[17],[25] 1,400  
Investment, Identifier [Axis]: BROAD SKY NETWORKS LLC, 89,335 Series C Preferred units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 89  
Fair Value [13],[17],[25] 0  
Investment, Identifier [Axis]: BROAD SKY NETWORKS LLC, Series A Preferred units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost [9],[11],[18],[24]   1,132
Fair Value [14],[18],[24]   1,649
Investment, Identifier [Axis]: BROAD SKY NETWORKS LLC, Series C Preferred units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost [9],[11],[18],[24]   89
Fair Value [14],[18],[24]   130
Investment, Identifier [Axis]: C&M CONVEYOR, INC, First Lien-Term Loan A    
Schedule of Investments [Line Items]    
Principal 6,500 [28] 6,500 [15]
Cost 6,399 [2],[4],[28] 6,377 [9],[11],[15]
Fair Value 6,500 [13],[28] 6,377 [14],[15]
Investment, Identifier [Axis]: C&M CONVEYOR, INC, First Lien-Term Loan B    
Schedule of Investments [Line Items]    
Principal 6,500 [28] 6,500 [15]
Cost 6,399 [2],[4],[28] 6,377 [9],[11],[15]
Fair Value 6,500 [13],[28] 6,377 [14],[15]
Investment, Identifier [Axis]: CADMIUM, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 7,362 7,385
Cost 7,314 [2],[4] 7,326 [9],[11]
Fair Value 7,317 [13] 7,134 [14]
Investment, Identifier [Axis]: CADMIUM, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 615 615
Cost 611 [2],[4] 611 [9],[11]
Fair Value 612 [13] 594 [14]
Investment, Identifier [Axis]: CAMIN CARGO CONTROL, INC., First Lien    
Schedule of Investments [Line Items]    
Principal   5,692
Cost [9],[11]   5,652
Fair Value [14]   5,692
Investment, Identifier [Axis]: CATBIRD NYC, LLC, 1,000,000 Class A units    
Schedule of Investments [Line Items]    
Cost [2],[4],[6],[17],[25],[31] 1,000  
Fair Value [6],[13],[17],[25],[31] 1,658  
Investment, Identifier [Axis]: CATBIRD NYC, LLC, 500,000 Class B units    
Schedule of Investments [Line Items]    
Cost [2],[4],[6],[17],[22],[25],[31] 500  
Fair Value [6],[13],[17],[22],[25],[31] 714  
Investment, Identifier [Axis]: CATBIRD NYC, LLC, Class A Units    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 1,658 1,658
Investment, Identifier [Axis]: CATBIRD NYC, LLC, Class A units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost [9],[11],[18],[24]   1,000
Fair Value [14],[18],[24]   1,658
Investment, Identifier [Axis]: CATBIRD NYC, LLC, Class B Units    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 714 714
Investment, Identifier [Axis]: CATBIRD NYC, LLC, Class B units    
Schedule of Investments [Line Items]    
Principal [18],[23],[24],[32]   0
Cost [9],[11],[18],[23],[24],[32]   500
Fair Value [14],[18],[23],[24],[32]   714
Investment, Identifier [Axis]: CATBIRD NYC, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 15,200 [6] 15,500
Cost 15,011 [2],[4],[6] 15,265 [9],[11]
Fair Value 15,200 [6],[13] 15,500 [14]
Investment, Identifier [Axis]: CATBIRD NYC, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 0 [6],[22] 0 [23]
Cost (45) [2],[4],[6],[22] (57) [9],[11],[23]
Fair Value 0 [6],[13],[22] 0 [14],[23]
Investment, Identifier [Axis]: CATBIRD NYC, LLC. Revolving Loan    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 0 0
Investment, Identifier [Axis]: CAVALIER BUYER, INC. Class A-1 Units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost [9],[11],[18],[24]   0
Fair Value [14],[18],[24]   0
Investment, Identifier [Axis]: CAVALIER BUYER, INC. First Lien    
Schedule of Investments [Line Items]    
Principal   6,500
Cost [9],[11]   6,372
Fair Value [14]   6,372
Investment, Identifier [Axis]: CAVALIER BUYER, INC. Preferred Units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost [9],[11],[18],[24]   625
Fair Value [14],[18],[24]   625
Investment, Identifier [Axis]: CAVALIER BUYER, INC. Revolving Loan    
Schedule of Investments [Line Items]    
Principal [23]   0
Cost [9],[11],[23]   (19)
Fair Value [14],[23]   0
Investment, Identifier [Axis]: CAVALIER BUYER, INC., 690,324 Class A-1 Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 0  
Fair Value [13],[17],[25] 0  
Investment, Identifier [Axis]: CAVALIER BUYER, INC., 690,324 Preferred Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 690  
Fair Value [13],[17],[25] 726  
Investment, Identifier [Axis]: CAVALIER BUYER, INC., First Lien    
Schedule of Investments [Line Items]    
Principal 6,500  
Cost [2],[4] 6,387  
Fair Value [13] 6,500  
Investment, Identifier [Axis]: CAVALIER BUYER, INC., Revolving Loan    
Schedule of Investments [Line Items]    
Principal [22] 0  
Cost [2],[4],[22] (33)  
Fair Value [13],[22] 0  
Investment, Identifier [Axis]: CDC DENTAL MANAGEMENT CO., LLC, 1,568.70 Class Y Preferred Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 1,000  
Fair Value [13],[17],[25] 1,000  
Investment, Identifier [Axis]: CDC DENTAL MANAGEMENT CO., LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal 5,500  
Cost [2],[4] 5,393  
Fair Value [13] 5,393  
Investment, Identifier [Axis]: CDC DENTAL MANAGEMENT CO., LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal 5,500  
Cost [2],[4] 5,393  
Fair Value [13] 5,393  
Investment, Identifier [Axis]: CDC DENTAL MANAGEMENT CO., LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal [22] 0  
Cost [2],[4],[22] (39)  
Fair Value [13],[22] 0  
Investment, Identifier [Axis]: CENTRAL MEDICAL SUPPLY LLC, 2,620,670 Preferred Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[6],[17],[25] 1,224  
Fair Value [6],[13],[17],[25] 1,360  
Investment, Identifier [Axis]: CENTRAL MEDICAL SUPPLY LLC, Delayed Draw Capex Term Loan    
Schedule of Investments [Line Items]    
Principal 100 [6],[22] 100 [23]
Cost 92 [2],[4],[6],[22] 87 [9],[11],[23]
Fair Value 100 [6],[13],[22] 99 [14],[23]
Investment, Identifier [Axis]: CENTRAL MEDICAL SUPPLY LLC, Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal 100  
Fair Value 100 99
Investment, Identifier [Axis]: CENTRAL MEDICAL SUPPLY LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 7,526 [6] 7,500
Cost 7,477 [2],[4],[6] 7,427 [9],[11]
Fair Value 7,526 [6],[13] 7,402 [14]
Investment, Identifier [Axis]: CENTRAL MEDICAL SUPPLY LLC, Preferred Units    
Schedule of Investments [Line Items]    
Principal 0 0 [18],[24]
Cost [9],[11],[18],[24]   976
Fair Value 1,360 357 [14],[18],[24]
Investment, Identifier [Axis]: CENTRAL MEDICAL SUPPLY LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 300 [6],[22] 300 [23]
Cost 291 [2],[4],[6],[22] 287 [9],[11],[23]
Fair Value 300 [6],[13],[22] 296 [14],[23]
Investment, Identifier [Axis]: CHANDLER SIGNS, LLC, Units of Class A-1 common stock    
Schedule of Investments [Line Items]    
Principal 0 0 [18],[24]
Cost [9],[11],[18],[24]   1,500
Fair Value 0 3,215 [14],[18],[24]
Investment, Identifier [Axis]: CITYVET, INC., Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal [22] 0  
Cost [2],[4],[22] (47)  
Fair Value [13],[22] 0  
Investment, Identifier [Axis]: CITYVET, INC., First Lien    
Schedule of Investments [Line Items]    
Principal 15,000  
Cost [2],[4] 14,714  
Fair Value [13] 14,985  
Investment, Identifier [Axis]: CRAFTY APES, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 16,051 [26] 15,000 [27]
Cost 15,974 [2],[4],[26] 14,911 [9],[11],[27]
Fair Value 15,216 [13],[26] 15,000 [14],[27]
Investment, Identifier [Axis]: DAMOTECH INC., 1,000 Class A Common units    
Schedule of Investments [Line Items]    
Cost [2],[4],[16],[17],[25] 0  
Fair Value [13],[16],[17],[25] 715  
Investment, Identifier [Axis]: DAMOTECH INC., 1,000 Preferred units    
Schedule of Investments [Line Items]    
Cost [2],[4],[16],[17],[25] 1,000  
Fair Value [13],[16],[17],[25] 1,193  
Investment, Identifier [Axis]: DAMOTECH INC., Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal [16],[17] 3,000  
Cost [2],[4],[16],[17] 2,943  
Fair Value [13],[16],[17] 2,943  
Investment, Identifier [Axis]: DAMOTECH INC., First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal [16],[17] 5,100  
Cost [2],[4],[16],[17] 5,005  
Fair Value [13],[16],[17] 5,003  
Investment, Identifier [Axis]: DAMOTECH INC., First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal [16],[17] 5,100  
Cost [2],[4],[16],[17] 5,005  
Fair Value [13],[16],[17] 5,003  
Investment, Identifier [Axis]: DAMOTECH INC., Revolving Loan    
Schedule of Investments [Line Items]    
Principal [16],[17],[22] 0  
Cost [2],[4],[16],[17],[22] (54)  
Fair Value [13],[16],[17],[22] 0  
Investment, Identifier [Axis]: DELPHI BEHAVIORAL HEALTH GROUP, LLC, Common Units    
Schedule of Investments [Line Items]    
Principal 0 0
Cost [9],[11]   3,615
Fair Value 0 0 [14]
Investment, Identifier [Axis]: DELPHI BEHAVIORAL HEALTH GROUP, LLC, First Lien A    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 0 0
Investment, Identifier [Axis]: DELPHI BEHAVIORAL HEALTH GROUP, LLC, First Lien B    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 0 0
Investment, Identifier [Axis]: DELPHI BEHAVIORAL HEALTH GROUP, LLC, First Lien, L+11.00% PIK    
Schedule of Investments [Line Items]    
Principal [30]   1,649
Cost [9],[11],[30]   1,649
Fair Value [14],[30]   0
Investment, Identifier [Axis]: DELPHI BEHAVIORAL HEALTH GROUP, LLC, First Lien, L+9.00% PIK    
Schedule of Investments [Line Items]    
Principal [30]   1,829
Cost [9],[11],[30]   1,829
Fair Value [14],[30]   0
Investment, Identifier [Axis]: DELPHI BEHAVIORAL HEALTH GROUP, LLC, Protective Advance    
Schedule of Investments [Line Items]    
Principal 0 1,448 [30]
Cost [9],[11],[30]   1,448
Fair Value 0 0 [14],[30]
Investment, Identifier [Axis]: DELPHI LENDER HOLDCO LLC, 254 Common units    
Schedule of Investments [Line Items]    
Cost [2],[4] 0  
Fair Value [13] 0  
Investment, Identifier [Axis]: DYNAMIC COMMUNITIES, LLC, 2,500,000 Common units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost 0 [2],[4],[6],[17],[25] 0 [9],[11],[18],[24]
Fair Value 0 [6],[13],[17],[25] 0 [14],[18],[24]
Investment, Identifier [Axis]: DYNAMIC COMMUNITIES, LLC, 250,000 Class A Preferred Units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost 250 [2],[4],[6],[17],[25] 250 [9],[11],[18],[24]
Fair Value 317 [6],[13],[17],[25] 625 [14],[18],[24]
Investment, Identifier [Axis]: DYNAMIC COMMUNITIES, LLC, 255,984.22 Class C Preferred Units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost 0 [2],[4],[6],[17],[25] 0 [9],[11],[18],[24]
Fair Value 0 [6],[13],[17],[25] 0 [14],[18],[24]
Investment, Identifier [Axis]: DYNAMIC COMMUNITIES, LLC, 5,435,211.03 Class B Preferred Units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost 2,218 [2],[4],[6],[17],[25] 2,218 [9],[11],[18],[24]
Fair Value 0 [6],[13],[17],[25] 2,218 [14],[18],[24]
Investment, Identifier [Axis]: DYNAMIC COMMUNITIES, LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal 4,141 [6] 3,846
Cost 4,123 [2],[4],[6] 3,826 [9],[11]
Fair Value 4,140 [6],[13] 3,823 [14]
Investment, Identifier [Axis]: DYNAMIC COMMUNITIES, LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal 4,226 [6] 3,867
Cost 4,203 [2],[4],[6] 3,844 [9],[11]
Fair Value 4,226 [6],[13] 3,843 [14]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Class A Preferred units    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 317 625
Investment, Identifier [Axis]: Dynamic Communities, LLC, Class B Preferred units    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 0 2,218
Investment, Identifier [Axis]: Dynamic Communities, LLC, Class C Preferred units    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 0 0
Investment, Identifier [Axis]: Dynamic Communities, LLC, Common units    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 0 0
Investment, Identifier [Axis]: EDGE AUTONOMY HOLDINGS, LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal 11,250  
Cost [2],[4] 10,947  
Fair Value [13] 11,250  
Investment, Identifier [Axis]: EDGE AUTONOMY HOLDINGS, LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal 11,250  
Cost [2],[4] 10,948  
Fair Value [13] 11,250  
Investment, Identifier [Axis]: EDGE AUTONOMY HOLDINGS, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal [22] 0  
Cost [2],[4],[22] (103)  
Fair Value [13],[22] 0  
Investment, Identifier [Axis]: EVEREST TRANSPORTATION SYSTEMS, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 8,219 8,566
Cost 8,167 [2],[4] 8,498 [9],[11]
Fair Value 7,479 [13] 8,566 [14]
Investment, Identifier [Axis]: EXACT BORROWER, LLC, 615.156 Common units    
Schedule of Investments [Line Items]    
Cost [2],[4] 615  
Fair Value [13] 945  
Investment, Identifier [Axis]: EXACT BORROWER, LLC, Common units    
Schedule of Investments [Line Items]    
Principal   0
Cost [9],[11]   615
Fair Value [14]   770
Investment, Identifier [Axis]: EXACT BORROWER, LLC, Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal 2,327 0 [23]
Cost 2,282 [2],[4] (23) [9],[11],[23]
Fair Value 2,326 [13] 0 [14],[23]
Investment, Identifier [Axis]: EXACT BORROWER, LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal 8,751 9,450
Cost 8,607 [2],[4] 9,271 [9],[11]
Fair Value 8,751 [13] 9,271 [14]
Investment, Identifier [Axis]: EXACT BORROWER, LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal 8,751 9,450
Cost 8,607 [2],[4] 9,271 [9],[11]
Fair Value 8,751 [13] 9,271 [14]
Investment, Identifier [Axis]: EXACT BORROWER, LLC, Promissory Note    
Schedule of Investments [Line Items]    
Principal 385 385
Cost 385 [2],[4] 385 [9],[11]
Fair Value 385 [13] 385 [14]
Investment, Identifier [Axis]: EXACT BORROWER, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 0 [22] 0 [23]
Cost (39) [2],[4],[22] (47) [9],[11],[23]
Fair Value 0 [13],[22] 0 [14],[23]
Investment, Identifier [Axis]: FLIP ELECTRONICS, LLC, 2,446,170 Common Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25],[31] 2,892  
Fair Value [13],[17],[25],[31] 9,181  
Investment, Identifier [Axis]: FLIP ELECTRONICS, LLC, Common Units    
Schedule of Investments [Line Items]    
Principal [18],[24],[32]   0
Cost [9],[11],[18],[24],[32]   2,000
Fair Value [14],[18],[24],[32]   17,678
Investment, Identifier [Axis]: FLIP ELECTRONICS, LLC, Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal   2,818
Cost [9],[11]   2,777
Fair Value [14]   2,818
Investment, Identifier [Axis]: FLIP ELECTRONICS, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal   31,845
Cost [9],[11]   31,214
Fair Value [14]   31,845
Investment, Identifier [Axis]: FM SYLVAN, INC., First Lien    
Schedule of Investments [Line Items]    
Principal 11,850 11,963
Cost 11,654 [2],[4] 11,737 [9],[11]
Fair Value 11,850 [13] 11,963 [14]
Investment, Identifier [Axis]: FM SYLVAN, INC., Revolving Loan    
Schedule of Investments [Line Items]    
Principal 5,000 [22] 2,000 [23]
Cost 4,846 [2],[4],[22] 1,816 [9],[11],[23]
Fair Value 5,000 [13],[22] 2,000 [14],[23]
Investment, Identifier [Axis]: FOOD PHARMA SUBSIDIARY HOLDINGS, LLC, Class A Units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost 750 [2],[4],[17],[25] 750 [9],[11],[18],[24]
Fair Value 1,662 [13],[17],[25] 911 [14],[18],[24]
Investment, Identifier [Axis]: FOOD PHARMA SUBSIDIARY HOLDINGS, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 7,030 7,030
Cost 6,924 [2],[4] 6,908 [9],[11]
Fair Value 7,030 [13] 7,030 [14]
Investment, Identifier [Axis]: FS VECTOR LLC, 1,000 Common units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25],[31] 1,000  
Fair Value [13],[17],[25],[31] 1,000  
Investment, Identifier [Axis]: FS VECTOR LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal 9,000  
Cost [2],[4] 8,838  
Fair Value [13] 8,847  
Investment, Identifier [Axis]: FS VECTOR LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal 9,000  
Cost [2],[4] 8,838  
Fair Value [13] 8,847  
Investment, Identifier [Axis]: FS VECTOR LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal [22] 0  
Cost [2],[4],[22] (34)  
Fair Value [13],[22] 0  
Investment, Identifier [Axis]: GAINS INTERMEDIATE, LLC, Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal [23]   0
Cost [9],[11],[23]   (162)
Fair Value [14],[23]   0
Investment, Identifier [Axis]: GAINS INTERMEDIATE, LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal 7,125 7,500
Cost 7,006 [2],[4] 7,357 [9],[11]
Fair Value 7,125 [13] 7,358 [14]
Investment, Identifier [Axis]: GAINS INTERMEDIATE, LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal 7,125 7,500
Cost 7,005 [2],[4] 7,356 [9],[11]
Fair Value 7,125 [13] 7,358 [14]
Investment, Identifier [Axis]: GAINS INTERMEDIATE, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 0 [22] 0 [23]
Cost (40) [2],[4],[22] (47) [9],[11],[23]
Fair Value 0 [13],[22] 0 [14],[23]
Investment, Identifier [Axis]: GPT INDUSTRIES, LLC, 1,000,000 Class A Preferred Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[6],[17],[25] 1,000  
Fair Value [6],[13],[17],[25] 1,469  
Investment, Identifier [Axis]: GPT INDUSTRIES, LLC, Class A Preferred Units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost [9],[11],[18],[24]   1,000
Fair Value [14],[18],[24]   1,000
Investment, Identifier [Axis]: GPT INDUSTRIES, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 6,039 [6],[20] 6,150 [21]
Cost 5,933 [2],[4],[6],[20] 6,030 [9],[11],[21]
Fair Value 6,039 [6],[13],[20] 6,030 [14],[21]
Investment, Identifier [Axis]: GPT INDUSTRIES, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 0 [6],[22] 0 [23]
Cost (49) [2],[4],[6],[22] (58) [9],[11],[23]
Fair Value 0 [6],[13],[22] 0 [14],[23]
Investment, Identifier [Axis]: GPT Industries, LLC Class A Preferred Units    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 1,469 1,000
Investment, Identifier [Axis]: GPT Industries, LLC First Lien    
Schedule of Investments [Line Items]    
Principal 6,039  
Fair Value 6,039 6,030
Investment, Identifier [Axis]: GPT Industries, LLC Revolving Loan    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 0 0
Investment, Identifier [Axis]: GRAMMATECH, INC., 1,000 Class A units    
Schedule of Investments [Line Items]    
Cost [2],[4],[6] 1,000  
Fair Value [6],[13] 0  
Investment, Identifier [Axis]: GRAMMATECH, INC., 360.06 Class A-1 units    
Schedule of Investments [Line Items]    
Cost [2],[4],[6] 360  
Fair Value [6],[13] 0  
Investment, Identifier [Axis]: GRAMMATECH, INC., Class A units    
Schedule of Investments [Line Items]    
Principal 0 0
Cost [9],[11]   1,000
Fair Value 0 0 [14]
Investment, Identifier [Axis]: GRAMMATECH, INC., Class A-1 units    
Schedule of Investments [Line Items]    
Principal 0 0
Cost [9],[11]   360
Fair Value 0 372 [14]
Investment, Identifier [Axis]: GRAMMATECH, INC., First Lien    
Schedule of Investments [Line Items]    
Principal 2,000 [6] 10,031
Cost 1,993 [2],[4],[6] 9,967 [9],[11]
Fair Value 2,000 [6],[13] 10,031 [14]
Investment, Identifier [Axis]: GRAMMATECH, INC., Revolving Loan    
Schedule of Investments [Line Items]    
Principal 0 [6],[22] 0 [23]
Cost (7) [2],[4],[6],[22] (14) [9],[11],[23]
Fair Value 0 [6],[13],[22] 0 [14],[23]
Investment, Identifier [Axis]: GUARDIAN FLEET SERVICES, INC. Class A Units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost [9],[11],[18],[24]   1,500
Fair Value [14],[18],[24]   1,500
Investment, Identifier [Axis]: GUARDIAN FLEET SERVICES, INC. First Lien    
Schedule of Investments [Line Items]    
Principal   4,511
Cost [9],[11]   4,376
Fair Value [14]   4,376
Investment, Identifier [Axis]: GUARDIAN FLEET SERVICES, INC. Warrants    
Schedule of Investments [Line Items]    
Principal   0
Cost [9],[11]   80
Fair Value [14]   80
Investment, Identifier [Axis]: GUARDIAN FLEET SERVICES, INC., 1,500,000 Class A Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 1,500  
Fair Value [13],[17],[25] 1,565  
Investment, Identifier [Axis]: GUARDIAN FLEET SERVICES, INC., First Lien    
Schedule of Investments [Line Items]    
Principal 7,051  
Cost [2],[4] 6,881  
Fair Value [13] 6,966  
Investment, Identifier [Axis]: GUARDIAN FLEET SERVICES, INC., Warrants (Expiration - February 10, 2033)    
Schedule of Investments [Line Items]    
Cost [2],[4] 80  
Fair Value [13] 35  
Investment, Identifier [Axis]: GUARDIAN FLEET SERVICES, INC., Warrants (Expiration - November 30, 2033)    
Schedule of Investments [Line Items]    
Cost [2],[4] 20  
Fair Value [13] 20  
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC, Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal 301 [22] 303 [23]
Cost 286 [2],[4],[22] 286 [9],[11],[23]
Fair Value 295 [13],[22] 297 [14],[23]
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 3,615 3,642
Cost 3,554 [2],[4] 3,574 [9],[11]
Fair Value 3,546 [13] 3,573 [14]
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 454 [22] 353 [23]
Cost 438 [2],[4],[22] 335 [9],[11],[23]
Fair Value 446 [13],[22] 347 [14],[23]
Investment, Identifier [Axis]: HEAT TRAK, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 11,500  
Cost [2],[4] 10,262  
Fair Value [13] 11,270  
Investment, Identifier [Axis]: HEAT TRAK, LLC, Warrants (Expiration - June 9, 2033)    
Schedule of Investments [Line Items]    
Cost [2],[4] 1,104  
Fair Value [13] 1,104  
Investment, Identifier [Axis]: HH-INSPIRE ACQUISITION, INC., 108,211.4 Preferred units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 343  
Fair Value [13],[17],[25] 323  
Investment, Identifier [Axis]: HH-INSPIRE ACQUISITION, INC., First Lien    
Schedule of Investments [Line Items]    
Principal 7,996  
Cost [2],[4] 7,808  
Fair Value [13] 7,356  
Investment, Identifier [Axis]: HH-INSPIRE ACQUISITION, INC., Revolving Loan    
Schedule of Investments [Line Items]    
Principal [22] 719  
Cost [2],[4],[22] 701  
Fair Value [13],[22] 662  
Investment, Identifier [Axis]: HYBRID APPAREL, LLC, Second Lien    
Schedule of Investments [Line Items]    
Principal 15,848 [28] 15,750 [15]
Cost 15,672 [2],[4],[28] 15,528 [9],[11],[15]
Fair Value 15,452 [13],[28] 13,120 [14],[15]
Investment, Identifier [Axis]: I-45 SLF LLC    
Schedule of Investments [Line Items]    
Principal [18],[23],[32]   0
Cost 80,800 [2],[4],[8],[17],[31] 80,800 [9],[11],[18],[23],[32]
Fair Value 54,200 [8],[13],[17],[31] 51,256 [14],[18],[23],[32]
Investment, Identifier [Axis]: I-45 SLF LLC, LLC equity interest    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 54,200 51,256
Investment, Identifier [Axis]: IGNITE VISIBILITY LLC, 833 Class A Common Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 167  
Fair Value [13],[17],[25] 167  
Investment, Identifier [Axis]: IGNITE VISIBILITY LLC, 833 Preferred Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 833  
Fair Value [13],[17],[25] 833  
Investment, Identifier [Axis]: IGNITE VISIBILITY LLC, Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal [22] 0  
Cost [2],[4],[22] (20)  
Fair Value [13],[22] 0  
Investment, Identifier [Axis]: IGNITE VISIBILITY LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal 5,000  
Cost [2],[4] 4,926  
Fair Value [13] 4,926  
Investment, Identifier [Axis]: IGNITE VISIBILITY LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal 5,000  
Cost [2],[4] 4,926  
Fair Value [13] 4,926  
Investment, Identifier [Axis]: IGNITE VISIBILITY LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal [22] 0  
Cost [2],[4],[22] (29)  
Fair Value [13],[22] 0  
Investment, Identifier [Axis]: INFOLINKS MEDIA BUYCO, LLC, 1.68% LP interest    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[22],[25],[31] 588  
Fair Value [13],[17],[22],[25],[31] 1,121  
Investment, Identifier [Axis]: INFOLINKS MEDIA BUYCO, LLC, Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal [23]   0
Cost [9],[11],[23]   (16)
Fair Value [14],[23]   0
Investment, Identifier [Axis]: INFOLINKS MEDIA BUYCO, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 8,265 7,653
Cost 8,153 [2],[4] 7,537 [9],[11]
Fair Value 8,265 [13] 7,653 [14]
Investment, Identifier [Axis]: INFOLINKS MEDIA BUYCO, LLC, LP interest    
Schedule of Investments [Line Items]    
Principal [18],[23],[24],[32]   0
Cost [9],[11],[18],[23],[24],[32]   588
Fair Value [14],[18],[23],[24],[32]   944
Investment, Identifier [Axis]: INSTITUTES OF HEALTH, LLC, 100,000 Preferred units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 1,000  
Fair Value [13],[17],[25] 1,000  
Investment, Identifier [Axis]: INSTITUTES OF HEALTH, LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal 7,500  
Cost [2],[4] 7,356  
Fair Value [13] 7,357  
Investment, Identifier [Axis]: INSTITUTES OF HEALTH, LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal 7,500  
Cost [2],[4] 7,355  
Fair Value [13] 7,357  
Investment, Identifier [Axis]: INSTITUTES OF HEALTH, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal [22] 0  
Cost [2],[4],[22] (19)  
Fair Value [13],[22] 0  
Investment, Identifier [Axis]: ISI ENTERPRISES, LLC, 1,000,000 Series A Preferred units    
Schedule of Investments [Line Items]    
Cost [2],[4] 1,000  
Fair Value [13] 1,132  
Investment, Identifier [Axis]: ISI ENTERPRISES, LLC, 166,667 Series A-1 Preferred units    
Schedule of Investments [Line Items]    
Cost [2],[4] 167  
Fair Value [13] 678  
Investment, Identifier [Axis]: ISI ENTERPRISES, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 5,000 5,000
Cost 4,940 [2],[4] 4,926 [9],[11]
Fair Value 5,000 [13] 5,000 [14]
Investment, Identifier [Axis]: ISI ENTERPRISES, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 0 [22] 0 [23]
Cost (22) [2],[4],[22] (28) [9],[11],[23]
Fair Value 0 [13],[22] 0 [14],[23]
Investment, Identifier [Axis]: ISI ENTERPRISES, LLC, Series A Preferred units    
Schedule of Investments [Line Items]    
Principal   0
Cost [9],[11]   1,000
Fair Value [14]   1,000
Investment, Identifier [Axis]: ISLAND PUMP AND TANK, LLC, 1,195,526 Preferred units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 1,195  
Fair Value [13],[17],[25] 2,271  
Investment, Identifier [Axis]: ISLAND PUMP AND TANK, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 25,000 9,000
Cost 24,563 [2],[4] 8,823 [9],[11]
Fair Value 25,000 [13] 8,823 [14]
Investment, Identifier [Axis]: ISLAND PUMP AND TANK, LLC, Preferred units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost [9],[11],[18],[24]   750
Fair Value [14],[18],[24]   750
Investment, Identifier [Axis]: ISLAND PUMP AND TANK, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 0 [22] 500 [23]
Cost (23) [2],[4],[22] 471 [9],[11],[23]
Fair Value 0 [13],[22] 471 [14],[23]
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, 9.25% Class A Membership Interest    
Schedule of Investments [Line Items]    
Cost [2],[4],[6],[17],[25],[31] 1,500  
Fair Value [6],[13],[17],[25],[31] 2,374  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, Class A Membership Interest    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost [9],[11],[18],[24]   1,500
Fair Value [14],[18],[24]   4,348
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, Class A membership interest    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 2,374 4,348
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, Delayed Draw Term Loan - A    
Schedule of Investments [Line Items]    
Principal [6],[22] 1,058  
Cost [2],[4],[6],[22] 1,034  
Fair Value 1,058 [6],[13],[22] 0
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, Delayed Draw Term Loan - B    
Schedule of Investments [Line Items]    
Principal [6],[22] 1,058  
Cost [2],[4],[6],[22] 1,034  
Fair Value 1,058 [6],[13],[22] 0
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, First Lien - PIK Note A    
Schedule of Investments [Line Items]    
Principal 0 3,271
Cost [9],[11]   3,259
Fair Value 0 3,255 [14]
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, First Lien - PIK Note B    
Schedule of Investments [Line Items]    
Principal 0 129
Cost [9],[11]   129
Fair Value 0 128 [14]
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, First Lien - Term B Loan    
Schedule of Investments [Line Items]    
Principal 12,966 [6] 5,057
Cost 11,005 [2],[4],[6] 5,056 [9],[11]
Fair Value 12,966 [6],[13] 5,068 [14]
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, First Lien - Term Loan    
Schedule of Investments [Line Items]    
Principal 12,966 [6] 10,114
Cost 11,013 [2],[4],[6] 10,139 [9],[11]
Fair Value 12,966 [6],[13] 10,114 [14]
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, First Lien - Term Loan - 1    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 0 10,114
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, First Lien - Term Loan - 2    
Schedule of Investments [Line Items]    
Principal 12,966  
Fair Value 12,966 0
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, First Lien - Term Loan B - 1    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 0 5,068
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, First Lien - Term Loan B - 2    
Schedule of Investments [Line Items]    
Principal 12,966  
Fair Value 12,966 0
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 0 [6],[22] 7,000
Cost (61) [2],[4],[6],[22] 6,974 [9],[11]
Fair Value 0 [6],[13],[22] 7,014 [14]
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, Revolving loan    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 0 7,014
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, Warrants (Expiration - June 21, 2033)    
Schedule of Investments [Line Items]    
Cost [2],[4],[6],[17],[25] 3,791  
Fair Value [6],[13],[17],[25] 3,869  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, Warrants (Expiration - March 29, 2029)    
Schedule of Investments [Line Items]    
Cost [2],[4],[6],[17],[25] 538  
Fair Value [6],[13],[17],[25] 4,005  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, Warrants (Expiration - March 29, 2029)9,13    
Schedule of Investments [Line Items]    
Principal   0
Cost [9],[11]   538
Fair Value [14]   4,046
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, Warrants - 1    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 4,005 4,046
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, Warrants - 2    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 3,869 0
Investment, Identifier [Axis]: JACKSON HEWITT TAX SERVICE, INC., First Lien    
Schedule of Investments [Line Items]    
Principal 10,000  
Cost [2],[4] 9,856  
Fair Value [13] 9,850  
Investment, Identifier [Axis]: JVMC HOLDINGS CORP., First Lien    
Schedule of Investments [Line Items]    
Principal 1,855 6,132
Cost 1,854 [2],[4] 6,117 [9],[11]
Fair Value 1,855 [13] 6,132 [14]
Investment, Identifier [Axis]: KMS, INC., Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal [15],[23]   2,228
Cost [9],[11],[15],[23]   2,174
Fair Value [14],[15],[23]   2,016
Investment, Identifier [Axis]: KMS, INC., First Lien    
Schedule of Investments [Line Items]    
Principal 17,856 [28] 15,800 [15]
Cost 17,711 [2],[4],[28] 15,681 [9],[11],[15]
Fair Value 15,892 [13],[28] 14,299 [14],[15]
Investment, Identifier [Axis]: LASH OPCO, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 10,452 10,532
Cost 10,269 [2],[4] 10,315 [9],[11]
Fair Value 10,243 [13] 10,110 [14]
Investment, Identifier [Axis]: LASH OPCO, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 622 [22] 343 [23]
Cost 610 [2],[4],[22] 336 [9],[11],[23]
Fair Value 609 [13],[22] 330 [14],[23]
Investment, Identifier [Axis]: LGM PHARMA, LLC, 142,278.89 units of Class A common stock    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 1,600  
Fair Value [13],[17],[25] 4,037  
Investment, Identifier [Axis]: LGM PHARMA, LLC, Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal 4,279 2,501
Cost 4,232 [2],[4] 2,491 [9],[11]
Fair Value 4,279 [13] 2,501 [14]
Investment, Identifier [Axis]: LGM PHARMA, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 5,000 11,477
Cost 4,903 [2],[4] 11,436 [9],[11]
Fair Value 5,000 [13] 11,477 [14]
Investment, Identifier [Axis]: LGM PHARMA, LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal 4,884  
Cost [2],[4] 4,843  
Fair Value [13] 4,782  
Investment, Identifier [Axis]: LGM PHARMA, LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal 4,884  
Cost [2],[4] 4,843  
Fair Value [13] 4,884  
Investment, Identifier [Axis]: LGM PHARMA, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal [22] 0  
Cost [2],[4],[22] (29)  
Fair Value [13],[22] 0  
Investment, Identifier [Axis]: LGM PHARMA, LLC, Units of Class A common stock    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost [9],[11],[18],[24]   1,600
Fair Value [14],[18],[24]   1,692
Investment, Identifier [Axis]: LGM PHARMA, LLC, Unsecured convertible note    
Schedule of Investments [Line Items]    
Principal 136 [17],[25] 113 [18],[24]
Cost 136 [2],[4],[17],[25] 113 [9],[11],[18],[24]
Fair Value 136 [13],[17],[25] 113 [14],[18],[24]
Investment, Identifier [Axis]: LIGHTING RETROFIT INTERNATIONAL, LLC (DBA ENVOCORE), Common units    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 0 0
Investment, Identifier [Axis]: LIGHTING RETROFIT INTERNATIONAL, LLC (DBA ENVOCORE), First Lien    
Schedule of Investments [Line Items]    
Principal 5,104  
Fair Value 4,966 5,143
Investment, Identifier [Axis]: LIGHTING RETROFIT INTERNATIONAL, LLC (DBA ENVOCORE), Revolving Loan    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 0 0
Investment, Identifier [Axis]: LIGHTING RETROFIT INTERNATIONAL, LLC (DBA ENVOCORE), Second Lien    
Schedule of Investments [Line Items]    
Principal 5,208  
Fair Value 4,917 3,594
Investment, Identifier [Axis]: LIGHTING RETROFIT INTERNATIONAL, LLC (DBA ENVOCORE), Series A Preferred units    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 0 0
Investment, Identifier [Axis]: LIGHTING RETROFIT INTERNATIONAL, LLC, Common units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost 0 [2],[4],[6],[17],[25] 0 [9],[11],[18],[24]
Fair Value 0 [6],[13],[17],[25] 0 [14],[18],[24]
Investment, Identifier [Axis]: LIGHTING RETROFIT INTERNATIONAL, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 5,104 [6] 5,143
Cost 5,104 [2],[4],[6] 5,143 [9],[11]
Fair Value 4,966 [6],[13] 5,143 [14]
Investment, Identifier [Axis]: LIGHTING RETROFIT INTERNATIONAL, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 0 [6],[22] 0 [23]
Cost 0 [2],[4],[6],[22] 0 [9],[11],[23]
Fair Value 0 [6],[13],[22] 0 [14],[23]
Investment, Identifier [Axis]: LIGHTING RETROFIT INTERNATIONAL, LLC, Second Lien    
Schedule of Investments [Line Items]    
Principal 5,208 [6],[29] 5,208 [30]
Cost 5,208 [2],[4],[6],[29] 5,208 [9],[11],[30]
Fair Value 4,917 [6],[13],[29] 3,594 [14],[30]
Investment, Identifier [Axis]: LIGHTING RETROFIT INTERNATIONAL, LLC, Series A Preferred units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost 0 [2],[4],[6],[17],[25] 0 [9],[11],[18],[24]
Fair Value 0 [6],[13],[17],[25] 0 [14],[18],[24]
Investment, Identifier [Axis]: LIGHTNING INTERMEDIATE II, LLC, 0.88% LLC interest    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25],[31] 600  
Fair Value [13],[17],[25],[31] 263  
Investment, Identifier [Axis]: LIGHTNING INTERMEDIATE II, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 22,280 22,714
Cost 21,948 [2],[4] 22,318 [9],[11]
Fair Value 21,166 [13] 22,305 [14]
Investment, Identifier [Axis]: LIGHTNING INTERMEDIATE II, LLC, LLC interest    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost [9],[11],[18],[24]   600
Fair Value [14],[18],[24]   416
Investment, Identifier [Axis]: LIGHTNING INTERMEDIATE II, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 556 [22] 0 [23]
Cost 530 [2],[4],[22] (31) [9],[11],[23]
Fair Value 528 [13],[22] 0 [14],[23]
Investment, Identifier [Axis]: LKC TECHNOLOGIES, INC., 1,000,000 Class A units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 1,000  
Fair Value [13],[17],[25] 1,457  
Investment, Identifier [Axis]: LKC TECHNOLOGIES, INC., First Lien    
Schedule of Investments [Line Items]    
Principal 6,500  
Cost [2],[4] 6,380  
Fair Value [13] 6,500  
Investment, Identifier [Axis]: LKC TECHNOLOGIES, INC., Revolving Loan    
Schedule of Investments [Line Items]    
Principal [22] 0  
Cost [2],[4],[22] (35)  
Fair Value [13],[22] 0  
Investment, Identifier [Axis]: LLFLEX, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 10,795 [28] 10,835 [15]
Cost 10,650 [2],[4],[28] 10,656 [9],[11],[15]
Fair Value 9,176 [13],[28] 10,131 [14],[15]
Investment, Identifier [Axis]: MAKO STEEL LP, First Lien    
Schedule of Investments [Line Items]    
Principal 7,777 7,879
Cost 7,701 [2],[4] 7,778 [9],[11]
Fair Value 7,777 [13] 7,839 [14]
Investment, Identifier [Axis]: MAKO STEEL LP, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 0 [22] 943 [23]
Cost (17) [2],[4],[22] 921 [9],[11],[23]
Fair Value 0 [13],[22] 939 [14],[23]
Investment, Identifier [Axis]: MAMMOTH BORROWCO, INC., Class A Preferred Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 1,000  
Fair Value [13],[17],[25] 1,000  
Investment, Identifier [Axis]: MAMMOTH BORROWCO, INC., Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal [22] 0  
Cost [2],[4],[22] (35)  
Fair Value [13],[22] 0  
Investment, Identifier [Axis]: MAMMOTH BORROWCO, INC., First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal 10,750  
Cost [2],[4] 10,485  
Fair Value [13] 10,485  
Investment, Identifier [Axis]: MAMMOTH BORROWCO, INC., First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal 10,750  
Cost [2],[4] 10,485  
Fair Value [13] 10,485  
Investment, Identifier [Axis]: MAMMOTH BORROWCO, INC., Revolving Loan    
Schedule of Investments [Line Items]    
Principal [22] 0  
Cost [2],[4],[22] (92)  
Fair Value [13],[22] 0  
Investment, Identifier [Axis]: MERCURY ACQUISITION 2021, LLC, 12,059,033 Series A Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 0  
Fair Value [13],[17],[25] 0  
Investment, Identifier [Axis]: MERCURY ACQUISITION 2021, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 12,735 12,344
Cost 12,570 [2],[4] 12,150 [9],[11]
Fair Value 11,856 [13] 11,949 [14]
Investment, Identifier [Axis]: MERCURY ACQUISITION 2021, LLC, Second Lien    
Schedule of Investments [Line Items]    
Principal 2,866 2,759
Cost 2,828 [2],[4] 2,715 [9],[11]
Fair Value 2,562 [13] 2,593 [14]
Investment, Identifier [Axis]: MERCURY ACQUISITION 2021, LLC, Series A units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost [9],[11],[18],[24]   0
Fair Value [14],[18],[24]   770
Investment, Identifier [Axis]: MICROBE FORMULAS LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 10,016 11,621
Cost 9,866 [2],[4] 11,421 [9],[11]
Fair Value 10,016 [13] 11,505 [14]
Investment, Identifier [Axis]: MICROBE FORMULAS LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 0 [22] 0 [23]
Cost (23) [2],[4],[22] (27) [9],[11],[23]
Fair Value 0 [13],[22] 0 [14],[23]
Investment, Identifier [Axis]: MUENSTER MILLING COMPANY, LLC, Class A Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 1,000  
Fair Value [13],[17],[25] 807  
Investment, Identifier [Axis]: MUENSTER MILLING COMPANY, LLC, Class A units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost [9],[11],[18],[24]   1,000
Fair Value [14],[18],[24]   1,185
Investment, Identifier [Axis]: MUENSTER MILLING COMPANY, LLC, Class A-1 Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 500  
Fair Value [13],[17],[25] 403  
Investment, Identifier [Axis]: MUENSTER MILLING COMPANY, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 21,800 21,800
Cost 21,515 [2],[4] 21,457 [9],[11]
Fair Value 21,364 [13] 21,800 [14]
Investment, Identifier [Axis]: MUENSTER MILLING COMPANY, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 0 0 [23]
Cost (53) [2],[4] (67) [9],[11],[23]
Fair Value 0 [13] 0 [14],[23]
Investment, Identifier [Axis]: NATIONAL CREDIT CARE, LLC, 191,049.33 Class A-3 Preferred units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25],[31] 2,000  
Fair Value [13],[17],[25],[31] 2,000  
Investment, Identifier [Axis]: NATIONAL CREDIT CARE, LLC, Class A-3 Preferred units    
Schedule of Investments [Line Items]    
Principal [18],[24],[32]   0
Cost [9],[11],[18],[24],[32]   2,000
Fair Value [14],[18],[24],[32]   2,000
Investment, Identifier [Axis]: NATIONAL CREDIT CARE, LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal 9,716 9,716
Cost 9,591 [2],[4] 9,564 [9],[11]
Fair Value 9,259 [13] 9,550 [14]
Investment, Identifier [Axis]: NATIONAL CREDIT CARE, LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal 9,716 9,716
Cost 9,590 [2],[4] 9,563 [9],[11]
Fair Value 9,259 [13] 9,550 [14]
Investment, Identifier [Axis]: NEUROPSYCHIATRIC HOSPITALS, LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal 7,433  
Cost [2],[4] 7,355  
Fair Value [13] 7,433  
Investment, Identifier [Axis]: NEUROPSYCHIATRIC HOSPITALS, LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal 7,433  
Cost [2],[4] 7,355  
Fair Value [13] 7,433  
Investment, Identifier [Axis]: NEUROPSYCHIATRIC HOSPITALS, LLC, First Lien - Term Loan C    
Schedule of Investments [Line Items]    
Principal 5,153  
Cost [2],[4] 5,048  
Fair Value [13] 5,153  
Investment, Identifier [Axis]: NEUROPSYCHIATRIC HOSPITALS, LLC, First Lien - Term Loan D    
Schedule of Investments [Line Items]    
Principal 12,988  
Cost [2],[4] 12,682  
Fair Value [13] 12,988  
Investment, Identifier [Axis]: NEUROPSYCHIATRIC HOSPITALS, LLC, First Lien-Term Loan A    
Schedule of Investments [Line Items]    
Principal   7,478
Cost [9],[11]   7,375
Fair Value [14]   7,104
Investment, Identifier [Axis]: NEUROPSYCHIATRIC HOSPITALS, LLC, First Lien-Term Loan B    
Schedule of Investments [Line Items]    
Principal   7,478
Cost [9],[11]   7,375
Fair Value [14]   6,356
Investment, Identifier [Axis]: NEUROPSYCHIATRIC HOSPITALS, LLC, First Lien-Term Loan C    
Schedule of Investments [Line Items]    
Principal   3,176
Cost [9],[11]   3,097
Fair Value [14]   3,097
Investment, Identifier [Axis]: NEUROPSYCHIATRIC HOSPITALS, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 5,000 4,400
Cost 4,951 [2],[4] 4,338 [9],[11]
Fair Value 5,000 [13] 4,180 [14]
Investment, Identifier [Axis]: NEW SKINNY MIXES, LLC, Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal 0 [22] 0 [23]
Cost (24) [2],[4],[22] (28) [9],[11],[23]
Fair Value 0 [13],[22] 0 [14],[23]
Investment, Identifier [Axis]: NEW SKINNY MIXES, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 13,000 13,000
Cost 12,780 [2],[4] 12,750 [9],[11]
Fair Value 13,000 [13] 12,753 [14]
Investment, Identifier [Axis]: NEW SKINNY MIXES, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 500 [22] 0 [23]
Cost 436 [2],[4],[22] (76) [9],[11],[23]
Fair Value 500 [13],[22] 0 [14],[23]
Investment, Identifier [Axis]: NINJATRADER, INC., Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal [23]   0
Cost [9],[11],[23]   (28)
Fair Value [14],[23]   0
Investment, Identifier [Axis]: NINJATRADER, INC., First Lien    
Schedule of Investments [Line Items]    
Principal 29,586 23,150
Cost 29,206 [2],[4] 22,864 [9],[11]
Fair Value 29,586 [13] 23,150 [14]
Investment, Identifier [Axis]: NINJATRADER, INC., Preferred Units    
Schedule of Investments [Line Items]    
Principal [18],[24],[32]   0
Cost 2,000 [2],[4],[17],[25],[31] 2,000 [9],[11],[18],[24],[32]
Fair Value 16,536 [13],[17],[25],[31] 11,138 [14],[18],[24],[32]
Investment, Identifier [Axis]: NINJATRADER, INC., Revolving Loan    
Schedule of Investments [Line Items]    
Principal 0 [22] 0 [23]
Cost (3) [2],[4],[22] (3) [9],[11],[23]
Fair Value 0 [13],[22] 0 [14],[23]
Investment, Identifier [Axis]: NWN PARENT HOLDINGS, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal   12,688
Cost [9],[11]   12,519
Fair Value [14]   12,510
Investment, Identifier [Axis]: NWN PARENT HOLDINGS, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal [23]   1,020
Cost [9],[11],[23]   997
Fair Value [14],[23]   1,006
Investment, Identifier [Axis]: OPCO BORROWER, LLC , Revolving Loan    
Schedule of Investments [Line Items]    
Principal [23]   0
Cost [9],[11],[23]   (7)
Fair Value [14],[23]   0
Investment, Identifier [Axis]: OPCO BORROWER, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 8,661 9,052
Cost 8,596 [2],[4] 8,970 [9],[11]
Fair Value 8,661 [13] 9,052 [14]
Investment, Identifier [Axis]: OPCO BORROWER, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal [22] 0  
Cost [2],[4],[22] (6)  
Fair Value [13],[22] 0  
Investment, Identifier [Axis]: OPCO BORROWER, LLC, Second Lien    
Schedule of Investments [Line Items]    
Principal 3,000 3,000
Cost 2,782 [2],[4] 2,755 [9],[11]
Fair Value 3,000 [13] 3,000 [14]
Investment, Identifier [Axis]: OPCO BORROWER, LLC, Warrants (Expiration - August 19, 2029)    
Schedule of Investments [Line Items]    
Principal   0
Cost 207 [2],[4] 207 [9],[11]
Fair Value 778 [13] 399 [14]
Investment, Identifier [Axis]: OUTERBOX, LLC, 6,308.2584 Class A common units    
Schedule of Investments [Line Items]    
Cost [2],[4],[6],[17],[25] 631  
Fair Value [6],[13],[17],[25] 581  
Investment, Identifier [Axis]: OUTERBOX, LLC, Class A common units    
Schedule of Investments [Line Items]    
Principal 0 0 [18],[24]
Cost [9],[11],[18],[24]   631
Fair Value 581 773 [14],[18],[24]
Investment, Identifier [Axis]: OUTERBOX, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 14,625 [6] 14,625
Cost 14,458 [2],[4],[6] 14,428 [9],[11]
Fair Value 14,523 [6],[13] 14,552 [14]
Investment, Identifier [Axis]: OUTERBOX, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 0 0 [23]
Cost [9],[11],[23]   (25)
Fair Value 0 0 [14],[23]
Investment, Identifier [Axis]: OUTERBOX, LLC6, Revolving Loan    
Schedule of Investments [Line Items]    
Principal [6],[22] 0  
Cost [2],[4],[6],[22] (21)  
Fair Value [6],[13],[22] 0  
Investment, Identifier [Axis]: PIPELINE TECHNIQUE LTD., First Lien    
Schedule of Investments [Line Items]    
Principal 9,250 [16],[17] 9,750 [18]
Cost 9,106 [2],[4],[16],[17] 9,574 [9],[11],[18]
Fair Value 9,250 [13],[16],[17] 9,565 [14],[18]
Investment, Identifier [Axis]: PIPELINE TECHNIQUE LTD., Revolving Loan    
Schedule of Investments [Line Items]    
Principal 1,056 [16],[17],[22] 500 [18],[23]
Cost 1,007 [2],[4],[16],[17],[22] 441 [9],[11],[18],[23]
Fair Value 1,056 [13],[16],[17],[22] 490 [14],[18],[23]
Investment, Identifier [Axis]: POOL SERVICE PARTNERS, INC., 10,000 Common units    
Schedule of Investments [Line Items]    
Cost [2],[4],[6],[17],[25] 1,000  
Fair Value [6],[13],[17],[25] 1,000  
Investment, Identifier [Axis]: POOL SERVICE PARTNERS, INC., Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal [6],[22] 0  
Cost [2],[4],[6],[22] (83)  
Fair Value [6],[13],[22] 0  
Investment, Identifier [Axis]: POOL SERVICE PARTNERS, INC., First Lien    
Schedule of Investments [Line Items]    
Principal [6] 5,000  
Cost [2],[4],[6] 4,900  
Fair Value [6],[13] 4,900  
Investment, Identifier [Axis]: POOL SERVICE PARTNERS, INC., Revolving Loan    
Schedule of Investments [Line Items]    
Principal [6],[22] 0  
Cost [2],[4],[6],[22] (20)  
Fair Value [6],[13],[22] 0  
Investment, Identifier [Axis]: Pool Service Partners, Inc., Common Units    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 1,000 0
Investment, Identifier [Axis]: Pool Service Partners, Inc., Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 0 0
Investment, Identifier [Axis]: Pool Service Partners, Inc., First Lien    
Schedule of Investments [Line Items]    
Principal 5,000  
Fair Value 4,900 0
Investment, Identifier [Axis]: Pool Service Partners, Inc., Revolving Loan    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 0 0
Investment, Identifier [Axis]: RESEARCH NOW GROUP, INC., Second Lien    
Schedule of Investments [Line Items]    
Principal 10,500 10,500
Cost 10,245 [2],[4] 10,163 [9],[11]
Fair Value 3,675 [13] 6,431 [14]
Investment, Identifier [Axis]: ROOF OPCO, LLC, 250,000 Class B Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 250  
Fair Value [13],[17],[25] 262  
Investment, Identifier [Axis]: ROOF OPCO, LLC, 535,714.29 Class A Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 750  
Fair Value [13],[17],[25] 775  
Investment, Identifier [Axis]: ROOF OPCO, LLC, Class A Units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost [9],[11],[18],[24]   750
Fair Value [14],[18],[24]   750
Investment, Identifier [Axis]: ROOF OPCO, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal   21,633
Cost [9],[11]   21,267
Fair Value [14]   21,071
Investment, Identifier [Axis]: ROOF OPCO, LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal 13,261  
Cost [2],[4] 13,060  
Fair Value [13] 12,731  
Investment, Identifier [Axis]: ROOF OPCO, LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal 13,261  
Cost [2],[4] 13,060  
Fair Value [13] 12,731  
Investment, Identifier [Axis]: ROOF OPCO, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 0 [22] 0 [23]
Cost (32) [2],[4],[22] (42) [9],[11],[23]
Fair Value 0 [13],[22] 0 [14],[23]
Investment, Identifier [Axis]: ROSELAND MANAGEMENT, LLC, 1,100 Class A-1 Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[6] 66  
Fair Value [6],[13] 191  
Investment, Identifier [Axis]: ROSELAND MANAGEMENT, LLC, 16,084 Class A Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[6] 1,517  
Fair Value [6],[13] 867  
Investment, Identifier [Axis]: ROSELAND MANAGEMENT, LLC, 3,364 Class A-2 Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[6] 202  
Fair Value [6],[13] 787  
Investment, Identifier [Axis]: ROSELAND MANAGEMENT, LLC, Class A Units    
Schedule of Investments [Line Items]    
Principal 0 0
Cost [9],[11]   1,517
Fair Value 867 422 [14]
Investment, Identifier [Axis]: ROSELAND MANAGEMENT, LLC, Class A-1 Units    
Schedule of Investments [Line Items]    
Principal   0
Cost [9],[11]   66
Fair Value [14]   161
Investment, Identifier [Axis]: ROSELAND MANAGEMENT, LLC, Class A-2 Units    
Schedule of Investments [Line Items]    
Principal 0 0
Cost [9],[11]   202
Fair Value 787 694 [14]
Investment, Identifier [Axis]: ROSELAND MANAGEMENT, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 14,942 [6] 15,051
Cost 14,918 [2],[4],[6] 15,008 [9],[11]
Fair Value 14,942 [6],[13] 14,524 [14]
Investment, Identifier [Axis]: ROSELAND MANAGEMENT, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 300 [6],[22] 575 [23]
Cost 300 [2],[4],[6],[22] 566 [9],[11],[23]
Fair Value 300 [6],[13],[22] 555 [14],[23]
Investment, Identifier [Axis]: RTIC SUBSIDIARY HOLDINGS, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 5,959 6,166
Cost 5,929 [2],[4] 6,123 [9],[11]
Fair Value 5,780 [13] 5,364 [14]
Investment, Identifier [Axis]: RTIC SUBSIDIARY HOLDINGS, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 219 [22] 822 [23]
Cost 213 [2],[4],[22] 813 [9],[11],[23]
Fair Value 212 [13],[22] 715 [14],[23]
Investment, Identifier [Axis]: Roseland Management, LLC, Class A-1 Units    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 191 161
Investment, Identifier [Axis]: SCRIP INC., 100 shares of common stock    
Schedule of Investments [Line Items]    
Cost [2],[4] 1,000  
Fair Value [13] 751  
Investment, Identifier [Axis]: SCRIP INC., First Lien    
Schedule of Investments [Line Items]    
Principal 16,624 16,750 [27]
Cost 16,541 [2],[4] 16,634 [9],[11],[27]
Fair Value 16,458 [13] 15,594 [14],[27]
Investment, Identifier [Axis]: SCRIP INC., Shares of common stock    
Schedule of Investments [Line Items]    
Principal   0
Cost [9],[11]   1,000
Fair Value [14]   751
Investment, Identifier [Axis]: SHEARWATER RESEARCH, INC., 1,200,000 Class A Preferred Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[16],[17],[31] 603  
Fair Value [13],[16],[17],[31] 622  
Investment, Identifier [Axis]: SHEARWATER RESEARCH, INC., 40,000 Class A Common Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[16],[17] 33  
Fair Value [13],[16],[17] 1,461  
Investment, Identifier [Axis]: SHEARWATER RESEARCH, INC., Class A Common Units    
Schedule of Investments [Line Items]    
Principal [18]   0
Cost [9],[11],[18]   33
Fair Value [14],[18]   85
Investment, Identifier [Axis]: SHEARWATER RESEARCH, INC., Class A Preferred Units    
Schedule of Investments [Line Items]    
Principal [18]   0
Cost [9],[11],[18]   978
Fair Value [14],[18]   2,558
Investment, Identifier [Axis]: SHEARWATER RESEARCH, INC., First Lien    
Schedule of Investments [Line Items]    
Principal [18]   13,643
Cost [9],[11],[18]   13,462
Fair Value [14],[18]   13,643
Investment, Identifier [Axis]: SHEARWATER RESEARCH, INC., Revolving Loan    
Schedule of Investments [Line Items]    
Principal [18],[23]   0
Cost [9],[11],[18],[23]   (30)
Fair Value [14],[18],[23]   0
Investment, Identifier [Axis]: SIB HOLDINGS, LLC, Common Units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost [9],[11],[18],[24]   500
Fair Value [14],[18],[24]   411
Investment, Identifier [Axis]: SIB HOLDINGS, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal   11,382
Cost [9],[11]   11,235
Fair Value [14]   11,040
Investment, Identifier [Axis]: SIB HOLDINGS, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal   702
Cost [9],[11]   694
Fair Value [14]   681
Investment, Identifier [Axis]: SONOBI, INC., 500,000 Class A Common Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[6],[17],[25] 500  
Fair Value [6],[13],[17],[25] 2,302  
Investment, Identifier [Axis]: SONOBI, INC., Class A Common Units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost [9],[11],[18],[24]   500
Fair Value [14],[18],[24]   1,749
Investment, Identifier [Axis]: SOUTH COAST TERMINALS, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 15,123 17,839
Cost 14,929 [2],[4] 17,560 [9],[11]
Fair Value 14,911 [13] 17,839 [14]
Investment, Identifier [Axis]: SOUTH COAST TERMINALS, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 194 [22] 0 [23]
Cost 171 [2],[4],[22] (28) [9],[11],[23]
Fair Value 191 [13],[22] 0 [14],[23]
Investment, Identifier [Axis]: SPECTRUM OF HOPE, LLC, 1,074,786 Common units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 1,075  
Fair Value [13],[17],[25] 810  
Investment, Identifier [Axis]: SPECTRUM OF HOPE, LLC, Common units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost [9],[11],[18],[24]   1,000
Fair Value [14],[18],[24]   1,000
Investment, Identifier [Axis]: SPECTRUM OF HOPE, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 22,244 22,358
Cost 22,114 [2],[4] 22,020 [9],[11]
Fair Value 20,910 [13] 21,934 [14]
Investment, Identifier [Axis]: SPOTLIGHT AR, LLC, 750 Common Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25],[31] 750  
Fair Value [13],[17],[25],[31] 972  
Investment, Identifier [Axis]: SPOTLIGHT AR, LLC, Common Units    
Schedule of Investments [Line Items]    
Principal [18],[24],[32]   0
Cost [9],[11],[18],[24],[32]   750
Fair Value [14],[18],[24],[32]   972
Investment, Identifier [Axis]: SPOTLIGHT AR, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 6,656 7,481
Cost 6,578 [2],[4] 7,370 [9],[11]
Fair Value 6,656 [13] 7,481 [14]
Investment, Identifier [Axis]: SPOTLIGHT AR, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 0 [22] 0 [23]
Cost (22) [2],[4],[22] (28) [9],[11],[23]
Fair Value 0 [13],[22] 0 [14],[23]
Investment, Identifier [Axis]: STATINMED, LLC, 39,097.96 Class B Preferred Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[6] 1,400  
Fair Value [6],[13] 0  
Investment, Identifier [Axis]: STATINMED, LLC, 4,718.62 Class A Preferred Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[6] 4,838  
Fair Value [6],[13] 0  
Investment, Identifier [Axis]: STATINMED, LLC, Class A Preferred Units    
Schedule of Investments [Line Items]    
Principal 0 0
Cost [9],[11]   4,838
Fair Value 0 3,767 [14]
Investment, Identifier [Axis]: STATINMED, LLC, Class B Preferred Units    
Schedule of Investments [Line Items]    
Principal 0 0
Cost [9],[11]   1,400
Fair Value 0 0 [14]
Investment, Identifier [Axis]: STATINMED, LLC, Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal   122
Cost [9],[11]   122
Fair Value [14]   122
Investment, Identifier [Axis]: STATINMED, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 7,560 7,288
Cost [9],[11]   7,288
Fair Value 6,129 7,288 [14]
Investment, Identifier [Axis]: STATINMED, LLC6, First Lien    
Schedule of Investments [Line Items]    
Principal [6],[29] 7,560  
Cost [2],[4],[6],[29] 7,560  
Fair Value [6],[13],[29] 6,129  
Investment, Identifier [Axis]: STATinMED, LLC, Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 0 122
Investment, Identifier [Axis]: STUDENT RESOURCE CENTER LLC, 10,502,487.46 Preferred Units    
Schedule of Investments [Line Items]    
Principal   0
Cost [9],[11]   5,845
Fair Value [14]   5,845
Investment, Identifier [Axis]: STUDENT RESOURCE CENTER LLC, First Lien    
Schedule of Investments [Line Items]    
Principal [6] 9,644  
Cost [2],[4],[6] 9,503  
Fair Value [6],[13] 8,487  
Investment, Identifier [Axis]: STUDENT RESOURCE CENTER LLC6, 10,502,487.46 Preferred Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[6] 5,845  
Fair Value [6],[13] 2,659  
Investment, Identifier [Axis]: STUDENT RESOURCE CENTER LLC6, 2,000,000.00 Preferred Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[6],[17],[25] 0  
Fair Value [6],[13],[17],[25] 0  
Investment, Identifier [Axis]: STUDENT RESOURCE CENTER, LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal   8,889
Cost [9],[11]   8,727
Fair Value [14]   8,720
Investment, Identifier [Axis]: STUDENT RESOURCE CENTER, LLC, Preferred Units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost [9],[11],[18],[24]   0
Fair Value [14],[18],[24]   0
Investment, Identifier [Axis]: SWENSONS DRIVE-IN RESTAURANTS, LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal 8,000  
Cost [2],[4] 7,846  
Fair Value [13] 7,840  
Investment, Identifier [Axis]: SWENSONS DRIVE-IN RESTAURANTS, LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal 8,000  
Cost [2],[4] 7,846  
Fair Value [13] 7,840  
Investment, Identifier [Axis]: SWENSONS DRIVE-IN RESTAURANTS, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal [22] 0  
Cost [2],[4],[22] (28)  
Fair Value [13],[22] 0  
Investment, Identifier [Axis]: SYSTEC CORPORATION, First Lien    
Schedule of Investments [Line Items]    
Principal   9,000
Cost [9],[11]   8,886
Fair Value [14]   9,000
Investment, Identifier [Axis]: SYSTEC CORPORATION, First Lien - 1    
Schedule of Investments [Line Items]    
Principal 8,440  
Cost [2],[4] 8,364  
Fair Value [13] 8,364  
Investment, Identifier [Axis]: SYSTEC CORPORATION, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 1,000 [22] 1,600 [23]
Cost 984 [2],[4],[22] 1,576 [9],[11],[23]
Fair Value 991 [13],[22] 1,600 [14],[23]
Investment, Identifier [Axis]: Sonobi, Inc., Class A Common units    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 2,302 1,749
Investment, Identifier [Axis]: Student Resource Center LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 9,644  
Fair Value 8,487 8,720
Investment, Identifier [Axis]: Student Resource Center LLC, Preferred units 1    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 2,659 5,845
Investment, Identifier [Axis]: Student Resource Center LLC, Preferred units 2    
Schedule of Investments [Line Items]    
Principal 0  
Fair Value 0 0
Investment, Identifier [Axis]: THE PRODUCTO GROUP, LLC, 1,500,000 Class A units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25],[31] 1,500  
Fair Value [13],[17],[25],[31] 12,750  
Investment, Identifier [Axis]: THE PRODUCTO GROUP, LLC, Class A units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost [9],[11],[18],[24]   1,500
Fair Value [14],[18],[24]   7,833
Investment, Identifier [Axis]: THE PRODUCTO GROUP, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 17,447 17,655
Cost 17,201 [2],[4] 17,355 [9],[11]
Fair Value 17,430 [13] 17,655 [14]
Investment, Identifier [Axis]: TRAFERA, LLC (FKA TRINITY 3, LLC), 896.43 Class A units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 1,205  
Fair Value [13],[17],[25] 856  
Investment, Identifier [Axis]: TRAFERA, LLC (FKA TRINITY 3, LLC), Class A units    
Schedule of Investments [Line Items]    
Principal [18],[24],[32]   0
Cost [9],[11],[18],[24],[32]   1,205
Fair Value [14],[18],[24],[32]   1,509
Investment, Identifier [Axis]: TRAFERA, LLC (FKA TRINITY 3, LLC), First Lien    
Schedule of Investments [Line Items]    
Principal 5,700 [28] 5,775 [15]
Cost 5,665 [2],[4],[28] 5,727 [9],[11],[15]
Fair Value 5,700 [13],[28] 5,775 [14],[15]
Investment, Identifier [Axis]: TRAFERA, LLC (FKA TRINITY 3, LLC), Unsecured convertible note    
Schedule of Investments [Line Items]    
Principal 75 [17],[25] 92 [18],[24]
Cost 75 [2],[4],[17],[25] 92 [9],[11],[18],[24]
Fair Value 75 [13],[17],[25] 92 [14],[18],[24]
Investment, Identifier [Axis]: US COURTSCRIPT HOLDINGS, INC., 1,000,000 Class D-3 LP Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 1,000  
Fair Value [13],[17],[25] 1,137  
Investment, Identifier [Axis]: US COURTSCRIPT HOLDINGS, INC., 211,465.87 Class D-5 LP Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 211  
Fair Value [13],[17],[25] 227  
Investment, Identifier [Axis]: US COURTSCRIPT HOLDINGS, INC., 211,862.61 Class D-4 LP Units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 212  
Fair Value [13],[17],[25] 231  
Investment, Identifier [Axis]: US COURTSCRIPT HOLDINGS, INC., Class D-3 LP Units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost [9],[11],[18],[24]   1,000
Fair Value [14],[18],[24]   1,354
Investment, Identifier [Axis]: US COURTSCRIPT HOLDINGS, INC., Class D-4 LP Units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost [9],[11],[18],[24]   212
Fair Value [14],[18],[24]   278
Investment, Identifier [Axis]: US COURTSCRIPT HOLDINGS, INC., Class D-5 LP Units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost [9],[11],[18],[24]   211
Fair Value [14],[18],[24]   275
Investment, Identifier [Axis]: US COURTSCRIPT HOLDINGS, INC., First Lien    
Schedule of Investments [Line Items]    
Principal 15,800 16,800
Cost 15,575 [2],[4] 16,540 [9],[11]
Fair Value 15,800 [13] 16,800 [14]
Investment, Identifier [Axis]: USA DEBUSK, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal   11,498
Cost [9],[11]   11,367
Fair Value [14]   11,498
Investment, Identifier [Axis]: USA DEBUSK, LLC, First Lien 1    
Schedule of Investments [Line Items]    
Principal 11,410  
Cost [2],[4] 11,306  
Fair Value [13] 11,410  
Investment, Identifier [Axis]: USA DEBUSK, LLC, First Lien 2    
Schedule of Investments [Line Items]    
Principal 1,664  
Cost [2],[4] 1,632  
Fair Value [13] 1,664  
Investment, Identifier [Axis]: VERSICARE MANAGEMENT LLC, Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal   2,400
Cost [9],[11]   2,332
Fair Value [14]   2,357
Investment, Identifier [Axis]: VERSICARE MANAGEMENT LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal 12,200 13,500
Cost 11,979 [2],[4] 13,256 [9],[11]
Fair Value 12,200 [13] 13,257 [14]
Investment, Identifier [Axis]: VERSICARE MANAGEMENT LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal 12,200  
Cost [2],[4] 11,979  
Fair Value [13] 12,200  
Investment, Identifier [Axis]: VERSICARE MANAGEMENT LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 0 [22] 0
Cost (36) [2],[4],[22] (44) [9],[11]
Fair Value 0 [13],[22] 0 [14]
Investment, Identifier [Axis]: VISTAR MEDIA INC., 171,617 shares of Series A preferred stock    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 1,874  
Fair Value [13],[17],[25] 8,264  
Investment, Identifier [Axis]: VISTAR MEDIA INC., Shares of Series A preferred stock    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost [9],[11],[18],[24]   1,874
Fair Value [14],[18],[24]   9,054
Investment, Identifier [Axis]: VTX HOLDINGS, INC., 1,597,707 Series A Preferred units    
Schedule of Investments [Line Items]    
Cost [2],[4],[17],[25] 1,598  
Fair Value [13],[17],[25] 2,972  
Investment, Identifier [Axis]: VTX HOLDINGS, INC., Series A Preferred units    
Schedule of Investments [Line Items]    
Principal [18],[24]   0
Cost [9],[11],[18],[24]   1,598
Fair Value [14],[18],[24]   2,694
Investment, Identifier [Axis]: WALL STREET PREP, INC., 1,000,000 Class A-1 Preferred Shares    
Schedule of Investments [Line Items]    
Cost [2],[4] 1,000  
Fair Value [13] 2,012  
Investment, Identifier [Axis]: WALL STREET PREP, INC., Class A-1 Preferred Shares    
Schedule of Investments [Line Items]    
Principal   0
Cost [9],[11]   1,000
Fair Value [14]   1,205
Investment, Identifier [Axis]: WALL STREET PREP, INC., First Lien    
Schedule of Investments [Line Items]    
Principal 9,308 10,588
Cost 9,201 [2],[4] 10,436 [9],[11]
Fair Value 9,308 [13] 10,588 [14]
Investment, Identifier [Axis]: WALL STREET PREP, INC., Revolving Loan    
Schedule of Investments [Line Items]    
Principal 0 [22] 0 [23]
Cost (10) [2],[4],[22] (13) [9],[11],[23]
Fair Value 0 [13],[22] 0 [14],[23]
Investment, Identifier [Axis]: WELL-FOAM, INC., First Lien    
Schedule of Investments [Line Items]    
Principal 12,586 17,730
Cost 12,434 [2],[4] 17,466 [9],[11]
Fair Value 12,586 [13] 17,730 [14]
Investment, Identifier [Axis]: WELL-FOAM, INC., Revolving Loan    
Schedule of Investments [Line Items]    
Principal 0 [22] 0 [23]
Cost (50) [2],[4],[22] (64) [9],[11],[23]
Fair Value 0 [13],[22] 0 [14],[23]
Investment, Identifier [Axis]: WINTER SERVICES OPERATIONS, LLC, Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal [23]   0
Cost [9],[11],[23]   (32)
Fair Value [14],[23]   0
Investment, Identifier [Axis]: WINTER SERVICES OPERATIONS, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal 22,734 20,000
Cost 22,431 [2],[4] 19,693 [9],[11]
Fair Value 22,552 [13] 20,000 [14]
Investment, Identifier [Axis]: WINTER SERVICES OPERATIONS, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal 4,444 0 [23]
Cost 4,393 [2],[4] (65) [9],[11],[23]
Fair Value 4,409 [13] 0 [14],[23]
Investment, Identifier [Axis]: ZENFOLIO INC., First Lien    
Schedule of Investments [Line Items]    
Principal 18,792 18,913
Cost 18,685 [2],[4] 18,762 [9],[11]
Fair Value 18,604 [13] 18,478 [14]
Investment, Identifier [Axis]: ZENFOLIO INC., Revolving Loan    
Schedule of Investments [Line Items]    
Principal 2,000 2,000
Cost 1,996 [2],[4] 1,994 [9],[11]
Fair Value 1,980 [13] 1,954 [14]
Investment, Identifier [Axis]: ZIPS CAR WASH, LLC, Delayed Draw Term Loan - A    
Schedule of Investments [Line Items]    
Principal 15,708 15,840
Cost 15,539 [2],[4] 15,611 [9],[11]
Fair Value 15,645 [13] 15,634 [14]
Investment, Identifier [Axis]: ZIPS CAR WASH, LLC, Delayed Draw Term Loan - B    
Schedule of Investments [Line Items]    
Principal 3,937 3,970
Cost 3,897 [2],[4] 3,914 [9],[11]
Fair Value $ 3,922 [13] $ 3,919 [14]
[1] All portfolio company headquarters are based in the United States, unless otherwise noted.
[2] As of December 31, 2023, the cumulative gross unrealized appreciation for U.S. federal income tax purposes was approximately $86.8 million; cumulative gross unrealized depreciation for federal income tax purposes was $72.0 million. Cumulative net unrealized appreciation was $14.8 million, based on a tax cost of $1,350.2 million.
[3] Equity ownership may be held in shares or units of a company that is either wholly owned by the portfolio company or under common control by the same parent company to the portfolio company.
[4] Negative cost in this column represents the original issue discount of certain undrawn revolvers and delayed draw term loans.
[5] Non-Control/Non-Affiliate investments are generally defined by the 1940 Act, as investments that are neither control investments nor affiliate investments. At December 31, 2023, the Company held $1,124.9 million of non-control/non-affiliate investments, which represented approximately 82.4% of the Company’s investment assets. The fair value of these investments as a percent of net assets is 156.0%.
[6] Affiliate investments are generally defined by the 1940 Act as investments in which between 5% and 25% of the voting securities are owned and the investments are not classified as control investments. At December 31, 2023, the Company held $186.0 million of affiliate investments, which represented approximately 13.6% of the Company’s investment assets. The fair value of these investments as a percent of net assets is 25.8%.
[7] All debt investments are income-producing, unless otherwise noted. Equity investments are non-income producing, unless otherwise noted.
[8] Control investments are generally defined by the 1940 Act as investments in which more than 25% of the voting securities are owned. At December 31, 2023, the Company held $54.2 million of control investments, which represented approximately 4.0% of the Company’s investment assets were . The fair value of these investments as a percent of net assets is 7.5%.
[9] As of March 31, 2023, the cumulative gross unrealized appreciation for U.S. federal income tax purposes was approximately $72.3 million; cumulative gross unrealized depreciation for federal income tax purposes was $76.8 million. Cumulative net unrealized depreciation was $4.5 million, based on a tax cost of $1,210.8 million.
[10] Equity ownership may be held in shares or units of a company that is either wholly owned by the portfolio company or under common control by the same parent company to the portfolio company.
[11] Negative cost in this column represents the original issue discount of certain undrawn revolvers and delayed draw term loans.
[12] All debt investments are income-producing, unless otherwise noted. Equity investments are non-income producing, unless otherwise noted.
[13] The Company's investment portfolio is comprised entirely of debt and equity securities of privately held companies for which quoted prices falling within the categories of Level 1 and Level 2 inputs are not readily available. Therefore, the Company values all of its portfolio investments at fair value, as determined in good faith by the valuation committee comprised of certain officers of the Company (the "Valuation Committee") as the valuation designee of the Board of Directors (the "Valuation Designee") pursuant to Rule 2a-5 under the Investment Company Act of 1940, as amended (the “1940 Act”), using significant unobservable Level 3 inputs. Refer to Note 4 - Fair Value Measurements for further discussion.
[14] The Company's investment portfolio is comprised entirely of debt and equity securities of privately held companies for which quoted prices falling within the categories of Level 1 and Level 2 inputs are not readily available. Therefore, the Company values all of its portfolio investments at fair value, as determined in good faith by the Board of Directors, using significant unobservable Level 3 inputs. Refer to Note 4 - Fair Value Measurements to our audited consolidated financial statements for further discussion.
[15] The investment is structured as a split lien term loan, which provides the Company with a first lien priority on certain assets of the obligor and a second lien priority on different assets of the obligor.
[16] Portfolio company headquarters are located outside of the United States.
[17] Indicates assets that are not considered "qualifying assets" 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. As of December 31, 2023, approximately 14.5% of the Company's total assets (at fair value) were non-qualifying assets.
[18] Indicates assets that are not considered "qualifying assets" 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. As of March 31, 2023, approximately 13.9% of the Company's assets were non-qualifying assets.
[19] Affiliate investments are generally defined by the 1940 Act as investments in which between 5% and 25% of the voting securities are owned and the investments are not classified as control investments. At March 31, 2023, approximately 15.6% of the Company’s investment assets were affiliate investments. The fair value of these investments as a percent of net assets is 31.9%.
[20] The investment is structured as a first lien first out term loan.
[21] The investment is structured as a first lien first out term loan.
[22] The investment has an unfunded commitment as of December 31, 2023. Refer to Note 10 - Commitments and Contingencies for further discussion.
[23] The investment has an unfunded commitment as of March 31, 2023. Refer to Note 11 - Commitments and Contingencies to our audited consolidated financial statements for further discussion.
[24] Investment is held through a wholly-owned taxable subsidiary.
[25] Investment is held through a wholly-owned taxable subsidiary.
[26] The investment is structured as a first lien last out term loan.
[27] The investment is structured as a first lien last out term loan.
[28] The investment is structured as a split lien term loan, which provides the Company with a first lien priority on certain assets of the obligor and a second lien priority on different assets of the obligor.
[29] Investment is on non-accrual status as of December 31, 2023, meaning the Company has ceased to recognize interest income on the investment.
[30] Investment is on non-accrual status as of March 31, 2023, meaning the Company has ceased to recognize interest income on the investment.
[31] Income producing through dividends or distributions.
[32] Income producing through dividends or distributions.