Annual report pursuant to Section 13 and 15(d)

Consolidated Schedule of Investments (Parenthetical)

v3.24.0.1
Consolidated Schedule of Investments (Parenthetical)
$ in Thousands, $ in Millions
12 Months Ended
Dec. 31, 2023
USD ($)
$ / shares
Dec. 31, 2022
USD ($)
$ / shares
Dec. 31, 2022
CAD ($)
Schedule of Investments [Line Items]      
Percentage of loans with variable rate floors (as a percent) 96.00% 66.00% 66.00%
Strike price (in dollars per share) | $ / shares $ 0.01 $ 0.01  
Bolder Panther Group, LLC      
Schedule of Investments [Line Items]      
Floor rate (as a percent) 1.50% 1.50% 1.50%
SI East, LLC      
Schedule of Investments [Line Items]      
Interest rate (as a percent) 11.25%    
Jackmont Hospitality, Inc.      
Schedule of Investments [Line Items]      
Floor rate (as a percent) 1.00%    
Imaging Business Machines, L.L.C.      
Schedule of Investments [Line Items]      
Floor rate (as a percent) 1.50%    
Computer Data Source, LLC      
Schedule of Investments [Line Items]      
Floor rate (as a percent) 1.00% 1.00% 1.00%
Inspire Aesthetics Management, LLC      
Schedule of Investments [Line Items]      
Spread (as a percent) 2.00%    
Richardson Sales Solutions      
Schedule of Investments [Line Items]      
Floor rate (as a percent) 2.00%    
Various Investment 1      
Schedule of Investments [Line Items]      
Floor rate (as a percent) 1.00% 1.00% 1.00%
Zips Car Wash, LLC      
Schedule of Investments [Line Items]      
Floor rate (as a percent) 1.00%    
PTL US Bidco, Inc      
Schedule of Investments [Line Items]      
Floor rate (as a percent) 1.00%    
Winter Services LLC      
Schedule of Investments [Line Items]      
Floor rate (as a percent) 1.00%    
Dreyfus Government Cash Management      
Schedule of Investments [Line Items]      
PIK rate (as a percent) 4.98%    
Fidelity Government Fund      
Schedule of Investments [Line Items]      
PIK rate (as a percent) 5.01%    
Fidelity Treasury      
Schedule of Investments [Line Items]      
PIK rate (as a percent) 4.99%    
GULF PACIFIC ACQUISITION, LLC      
Schedule of Investments [Line Items]      
Floor rate (as a percent) 1.00%    
Paragon Healthcare, Inc.      
Schedule of Investments [Line Items]      
Floor rate (as a percent) 1.00% 1.00% 1.00%
West Star Aviation Acquisition, LLC      
Schedule of Investments [Line Items]      
Floor rate (as a percent) 0.75%    
Channel Partners Intermediateco, LLC      
Schedule of Investments [Line Items]      
Floor rate (as a percent) 2.00% 1.00% 1.00%
GS HVAM Intermediate, LLC      
Schedule of Investments [Line Items]      
Floor rate (as a percent) 1.00%    
Arrow International, Inc      
Schedule of Investments [Line Items]      
Floor rate (as a percent)   1.00% 1.00%
Cadence Aerospace LLC      
Schedule of Investments [Line Items]      
Floor rate (as a percent)   1.00% 1.00%
PIK rate (as a percent)   2.00% 2.00%
IG Parent Corporation      
Schedule of Investments [Line Items]      
Floor rate (as a percent)   1.00% 1.00%
Mako Steel, LP      
Schedule of Investments [Line Items]      
Floor rate (as a percent)   0.75% 0.75%
NWN Corporation      
Schedule of Investments [Line Items]      
Floor rate (as a percent)   1.00% 1.00%
RTIC Subsidiary Holdings, LLC      
Schedule of Investments [Line Items]      
Floor rate (as a percent)   1.25% 1.25%
Forward Foreign Currency Contract | Staples Canada ULC      
Schedule of Investments [Line Items]      
Principal   $ 13,100 $ 16.9
Foreign currency transaction gain (loss), unrealized   $ 600  
Minimum      
Schedule of Investments [Line Items]      
Spread (as a percent) 0.10% 0.10% 0.10%
Maximum      
Schedule of Investments [Line Items]      
Spread (as a percent) 0.43% 0.35% 0.35%
LIBOR or SOFR | Minimum      
Schedule of Investments [Line Items]      
Spread (as a percent) 0.50% 0.50% 0.50%
LIBOR or SOFR | Maximum      
Schedule of Investments [Line Items]      
Spread (as a percent) 2.00%    
Floor rate (as a percent)   2.00% 2.00%
LIBOR or SOFR | Weighted Average      
Schedule of Investments [Line Items]      
Floor rate (as a percent) 1.20% 1.04% 1.04%
SOFR | Bolder Panther Group, LLC      
Schedule of Investments [Line Items]      
Spread (as a percent) 8.00% 8.00% 8.00%
SOFR | Jackmont Hospitality, Inc.      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.00%    
SOFR | Imaging Business Machines, L.L.C.      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.00%    
SOFR | Computer Data Source, LLC      
Schedule of Investments [Line Items]      
Spread (as a percent) 8.00%    
SOFR | Inspire Aesthetics Management, LLC      
Schedule of Investments [Line Items]      
Spread (as a percent) 8.00%    
SOFR | Richardson Sales Solutions      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.50%    
SOFR | Various Investment 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.75% 7.25% 7.25%
SOFR | Zips Car Wash, LLC      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.25%    
SOFR | PTL US Bidco, Inc      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.25%    
SOFR | Winter Services LLC      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.00%    
SOFR | GULF PACIFIC ACQUISITION, LLC      
Schedule of Investments [Line Items]      
Spread (as a percent) 5.75%    
SOFR | Paragon Healthcare, Inc.      
Schedule of Investments [Line Items]      
Spread (as a percent) 5.75% 5.75% 5.75%
SOFR | JTI Electrical & Mechanical, LLC      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.00%    
Floor rate (as a percent) 1.00%    
SOFR | Watterson Brands, LLC      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.00%    
Floor rate (as a percent) 1.00%    
SOFR | West Star Aviation Acquisition, LLC      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.00%    
SOFR | Channel Partners Intermediateco, LLC      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.00% 6.25% 6.25%
SOFR | GS HVAM Intermediate, LLC      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.50%    
SOFR | Arrow International, Inc      
Schedule of Investments [Line Items]      
Spread (as a percent)   6.00% 6.00%
SOFR | IG Parent Corporation      
Schedule of Investments [Line Items]      
Spread (as a percent)   5.75% 5.75%
SOFR | Interface Security Systems, L.L.C      
Schedule of Investments [Line Items]      
Spread (as a percent) 10.00%    
SOFR | NWN Corporation      
Schedule of Investments [Line Items]      
Spread (as a percent)   8.00% 8.00%
SOFR | RTIC Subsidiary Holdings, LLC      
Schedule of Investments [Line Items]      
Spread (as a percent)   7.75% 7.75%
(LIBOR) | Computer Data Source, LLC      
Schedule of Investments [Line Items]      
Spread (as a percent)   8.00% 8.00%
(LIBOR) | Cadence Aerospace LLC      
Schedule of Investments [Line Items]      
Spread (as a percent)   6.50% 6.50%
(LIBOR) | Independent Pet Partners Intermediate Holdings, LLC      
Schedule of Investments [Line Items]      
Spread (as a percent)   6.50% 6.50%
(LIBOR) | Interface Security Systems, L.L.C      
Schedule of Investments [Line Items]      
Spread (as a percent)   10.00% 10.00%
(LIBOR) | Mako Steel, LP      
Schedule of Investments [Line Items]      
Spread (as a percent)   7.25% 7.25%
Prime Rate | Independent Pet Partners Intermediate Holdings, LLC      
Schedule of Investments [Line Items]      
Spread (as a percent)   5.50% 5.50%
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt      
Schedule of Investments [Line Items]      
Principal [1]   $ 11,726  
Interest rate (as a percent) [1]   18.00% 18.00%
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Principal [2] $ 423    
Interest rate (as a percent) [2] 18.00%    
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Principal [2] $ 14,053    
Interest rate (as a percent) [2] 18.00%    
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 5.00% [3],[4],[5] 6.00% [6],[7],[8],[9] 6.00% [6],[7],[8],[9]
Principal $ 0 [3],[4],[5] $ 0 [6],[7],[8],[9]  
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.00% [3],[5] 6.00% [6],[7],[9] 6.00% [6],[7],[9]
Principal $ 1,921 [3],[5] $ 741 [6],[7],[9]  
Interest rate (as a percent) 11.43% [3],[5] 10.20% [6],[7],[9] 10.20% [6],[7],[9]
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 3      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.00% [3],[5] 6.00% [6],[7],[9] 6.00% [6],[7],[9]
Principal $ 19,817 [3],[5] $ 17,052 [6],[7],[9]  
Interest rate (as a percent) 11.43% [3],[5] 10.58% [6],[7],[9] 10.58% [6],[7],[9]
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 4      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[5] 6.00%    
Principal [3],[5] $ 1,372    
Interest rate (as a percent) [3],[5] 11.43%    
Investment, Identifier [Axis]: ADS Tactical, Inc., Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent) 5.75% [2],[5] 5.75% [1],[9] 5.75% [1],[9]
Principal $ 10,952 [2],[5] $ 21,077 [1],[9]  
Interest rate (as a percent) 11.22% [2],[5] 10.14% [1],[9] 10.14% [1],[9]
Investment, Identifier [Axis]: AMEREQUIP LLC., Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.40% [3],[4],[5] 7.40% [6],[7],[8],[9] 7.40% [6],[7],[8],[9]
Principal $ 0 [3],[4],[5] $ 0 [6],[7],[8],[9]  
Investment, Identifier [Axis]: AMEREQUIP LLC., Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.40% [3],[5] 7.40% [6],[7],[9] 7.40% [6],[7],[9]
Principal $ 28,422 [3],[5] $ 37,491 [6],[7],[9]  
Interest rate (as a percent) 12.76% [3],[5] 11.72% [6],[7],[9] 11.72% [6],[7],[9]
Investment, Identifier [Axis]: ASC Interests, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Principal $ 400 $ 400  
Interest rate (as a percent) 13.00% 13.00% 13.00%
Investment, Identifier [Axis]: ASC Interests, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Principal $ 1,650 $ 1,650  
Interest rate (as a percent) 13.00% 13.00% 13.00%
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.50% [3],[5] 5.50% [6],[7],[8],[9] 5.50% [6],[7],[8],[9]
Principal $ 360 [3],[5] $ 0 [6],[7],[8],[9]  
Interest rate (as a percent) [3],[5] 12.16%    
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 5.50% [3],[5] 5.50% [6],[7],[9] 5.50% [6],[7],[9]
Principal $ 6,660 [3],[5] $ 6,660 [6],[7],[9]  
Interest rate (as a percent) 11.16% [3],[5] 9.32% [6],[7],[9] 9.32% [6],[7],[9]
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.50% [3],[5] 7.50% [6],[7],[9] 7.50% [6],[7],[9]
Principal $ 6,660 [3],[5] $ 6,660 [6],[7],[9]  
Interest rate (as a percent) 13.16% [3],[5] 11.32% [6],[7],[9] 11.32% [6],[7],[9]
Investment, Identifier [Axis]: ATS Workholding, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Principal $ 2,090 [3],[10] $ 1,901 [7],[11]  
Interest rate (as a percent) 5.00% [3],[10] 5.00% [7],[11] 5.00% [7],[11]
Investment, Identifier [Axis]: ATS Workholding, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Principal $ 3,015 [3],[10] $ 3,015 [7],[11]  
Interest rate (as a percent) 5.00% [3],[10] 5.00% [7],[11] 5.00% [7],[11]
Investment, Identifier [Axis]: ATX Networks Corp., Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.50% 7.50% [1],[9] 7.50% [1],[9]
Principal [1],[9]   $ 6,783  
Interest rate (as a percent) [1],[9]   12.23% 12.23%
Investment, Identifier [Axis]: ATX Networks Corp., Unsecured Debt      
Schedule of Investments [Line Items]      
Principal [1]   $ 3,396  
Interest rate (as a percent) 10.00% 10.00% [1] 10.00% [1]
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.25% [3],[4],[5] 7.25% [6],[7],[8],[9] 7.25% [6],[7],[8],[9]
Principal $ 0 [3],[4],[5] $ 0 [6],[7],[8],[9]  
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.25% [3],[5] 7.25% [6],[7],[9] 7.25% [6],[7],[9]
Principal $ 24,602 [3],[5] $ 29,071 [6],[7],[9]  
Interest rate (as a percent) 12.76% [3],[5] 12.17% [6],[7],[9] 12.17% [6],[7],[9]
Investment, Identifier [Axis]: Acousti Engineering Company of Florida, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [7],[9]   8.50% 8.50%
Principal [7],[9]   $ 1,678  
Interest rate (as a percent) [7],[9]   13.23% 13.23%
Investment, Identifier [Axis]: Acousti Engineering Company of Florida, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) [7],[9]   8.50% 8.50%
Principal [7],[9]   $ 9,891  
Interest rate (as a percent) [7],[9]   13.23% 13.23%
Investment, Identifier [Axis]: Acousti Engineering Company of Florida, Secured Debt 3      
Schedule of Investments [Line Items]      
Spread (as a percent) [7],[9]   12.50% 12.50%
Principal [7],[9]   $ 807  
Interest rate (as a percent) [7],[9]   16.17% 16.17%
Investment, Identifier [Axis]: Acumera, Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.50% [3],[4],[5] 9.50% [7],[9] 9.50% [7],[9]
Principal $ 0 [3],[4],[5] $ 14,618 [7],[9]  
Interest rate (as a percent) [7],[9]   13.88% 13.88%
Investment, Identifier [Axis]: Acumera, Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.50% [3],[5] 9.00% [7],[9] 9.00% [7],[9]
Principal $ 24,796 [3],[5] $ 4,368 [7],[9]  
Interest rate (as a percent) 12.98% [3],[5] 13.57% [7],[9] 13.57% [7],[9]
Investment, Identifier [Axis]: Acumera, Inc., Warrants      
Schedule of Investments [Line Items]      
Strike price (in dollars per share) | $ / shares $ 1.00    
Investment, Identifier [Axis]: Adams Publishing Group, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.00% [3],[5],[12] 6.00% [7],[9],[13] 6.00% [7],[9],[13]
Principal $ 7,841 [3],[5],[12] $ 4,729 [7],[9],[13]  
Interest rate (as a percent) 11.00% [3],[5],[12] 10.00% [7],[9],[13] 10.00% [7],[9],[13]
Interest rate (as a percent) 3.00% 2.50% 2.50%
Investment, Identifier [Axis]: Adams Publishing Group, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.00% [3],[5],[12] 7.50% [7],[9],[13] 7.50% [7],[9],[13]
Principal $ 21,207 [3],[5],[12] $ 24,086 [7],[9],[13]  
Interest rate (as a percent) 11.00% [3],[5],[12] 10.00% [7],[9],[13] 10.00% [7],[9],[13]
Interest rate (as a percent) 3.00% 2.50% 2.50%
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 5.00% [3],[4],[5] 6.00% [7],[8],[9] 6.00% [7],[8],[9]
Principal $ 0 [3],[4],[5] $ 0 [7],[8],[9]  
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 5.00% [3],[5] 6.00% [7],[9] 6.00% [7],[9]
Principal $ 6,550 [3],[5] $ 6,617 [7],[9]  
Interest rate (as a percent) 13.50% [3],[5] 11.12% [7],[9] 11.12% [7],[9]
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 9.75% [3],[5] 6.75% [6],[7],[9] 6.75% [6],[7],[9]
Principal $ 6,462 [3],[5] $ 15,628 [6],[7],[9]  
Interest rate (as a percent) 15.29% [3],[5] 10.46% [6],[7],[9] 10.46% [6],[7],[9]
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 9.75% [3],[5] 8.75% [6],[7],[9] 8.75% [6],[7],[9]
Principal $ 10,507 [3],[5] $ 15,628 [6],[7],[9]  
Interest rate (as a percent) 15.29% [3],[5] 12.46% [6],[7],[9] 12.46% [6],[7],[9]
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[5],[10] 11.75%    
Principal [3],[5],[10] $ 5,705    
Interest rate (as a percent) [3],[5],[10] 17.29%    
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 4      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[5],[10] 11.75%    
Principal [3],[5],[10] $ 9,283    
Interest rate (as a percent) [3],[5],[10] 17.29%    
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [1],[11]   6.50% 6.50%
Principal $ 2,980 [2],[10],[14] $ 2,980 [1],[11]  
Interest rate (as a percent) [1],[11]   7.50% 7.50%
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) [1],[9],[11]   6.50% 6.50%
Principal $ 14,370 [2],[10],[14] $ 14,370 [1],[9],[11]  
Interest rate (as a percent) [1],[9],[11]   7.50% 7.50%
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 1.1      
Schedule of Investments [Line Items]      
Interest rate (as a percent) 14.13% 14.13% 14.13%
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 2      
Schedule of Investments [Line Items]      
Interest rate (as a percent) 14.13% 14.13% 14.13%
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 10.00% [5] 10.00% [8],[9] 10.00% [8],[9]
Principal $ 220 [5] $ 0 [8],[9]  
Interest rate (as a percent) [5] 15.38%    
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 10.00% [5] 10.00% [9] 10.00% [9]
Principal $ 4,125 [5] $ 4,665 [9]  
Interest rate (as a percent) 15.38% [5] 14.13% [9] 14.13% [9]
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [7],[9]   9.00% 9.00%
Principal $ 1,907 [3] $ 4,678 [7],[9]  
Interest rate (as a percent) 15.00% [3] 13.41% [7],[9] 13.41% [7],[9]
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.50% [3],[5] 9.00% [7],[9] 9.00% [7],[9]
Principal $ 7,149 [3],[5] $ 29,722 [7],[9]  
Interest rate (as a percent) 12.04% [3],[5] 13.56% [7],[9] 13.56% [7],[9]
Investment, Identifier [Axis]: Archer Systems, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [6],[7],[8],[9]   6.50% 6.50%
Principal [6],[7],[8],[9]   $ 0  
Investment, Identifier [Axis]: Archer Systems, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) [6],[7],[9]   6.50% 6.50%
Principal [6],[7],[9]   $ 67,597  
Interest rate (as a percent) [6],[7],[9]   10.92% 10.92%
Investment, Identifier [Axis]: Arrow International, Inc, Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent) [6],[7],[9],[15]   6.60% 6.60%
Principal [6],[7],[9],[15]   $ 36,000  
Interest rate (as a percent) [6],[7],[9],[15]   10.36% 10.36%
Investment, Identifier [Axis]: BBB Tank Services, LLC, Preferred Stock (non-voting)      
Schedule of Investments [Line Items]      
Interest rate (as a percent)   15.00% 15.00%
Investment, Identifier [Axis]: BBB Tank Services, LLC, Unsecured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 11.00% 11.00% [9],[16] 11.00% [9],[16]
Principal [9],[16]   $ 800  
Interest rate (as a percent) [9],[16]   15.12% 15.12%
Investment, Identifier [Axis]: BBB Tank Services, LLC, Unsecured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 11.00% 11.00% [9],[16] 11.00% [9],[16]
Principal [9],[16]   $ 4,000  
Interest rate (as a percent) [9],[16]   15.12% 15.12%
Investment, Identifier [Axis]: Barfly Ventures, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Principal $ 711 [3] $ 711 [7]  
Interest rate (as a percent) 7.00% [3] 7.00% [7] 7.00% [7]
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Principal $ 0 [4] $ 0 [8]  
Interest rate (as a percent) 10.00%    
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Principal $ 270 0 [8]  
Interest rate (as a percent) 10.00%    
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Principal $ 10,575 $ 11,025  
Interest rate (as a percent) 10.00% 11.00% 11.00%
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units 2      
Schedule of Investments [Line Items]      
Interest rate (as a percent) [7],[17],[18]   8.00% 8.00%
Investment, Identifier [Axis]: Berry Aviation, Inc., Secured Debt      
Schedule of Investments [Line Items]      
Principal [7]   $ 195  
Interest rate (as a percent) [7]   12.00% 12.00%
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.25% [3],[4],[5] 1.00% [6],[7],[8],[9] 1.00% [6],[7],[8],[9]
Principal $ 0 [3],[4],[5] $ 0 [6],[7],[8],[9]  
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.25% [3],[5] 1.00% [6],[7],[9] 1.00% [6],[7],[9]
Principal $ 29,403 [3],[5] $ 27,505 [6],[7],[9]  
Interest rate (as a percent) 12.64% [3],[5] 11.40% [6],[7],[9] 11.40% [6],[7],[9]
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.50% [2],[5] 8.50% [1],[8],[9] 8.50% [1],[8],[9]
Principal $ 1,885 [2],[5] $ 0 [1],[8],[9]  
Interest rate (as a percent) [2],[5] 16.00%    
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 8.50% [2],[5] 8.50% [1],[9] 8.50% [1],[9]
Principal $ 3,676 [2],[5] $ 3,239 [1],[9]  
Interest rate (as a percent) 13.96% [2],[5] 12.94% [1],[9] 12.94% [1],[9]
Investment, Identifier [Axis]: Boccella Precast Products LLC, Secured Debt      
Schedule of Investments [Line Items]      
Principal $ 320 $ 320  
Interest rate (as a percent) 10.00% 10.00% 10.00%
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Class B Preferred Member Units      
Schedule of Investments [Line Items]      
Interest rate (as a percent) 8.00% [19] 8.00% [18] 8.00% [18]
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent) 9.11% [5],[20] 9.26% [6],[9],[21] 9.26% [6],[9],[21]
Principal $ 96,556 [5],[20] $ 99,194 [6],[9],[21]  
Interest rate (as a percent) 14.48% [5],[20] 13.39% [6],[9],[21] 13.39% [6],[9],[21]
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent)   9.26% 9.26%
Interest rate (as a percent)   13.39% 13.39%
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[4],[5],[22],[23] 7.00%    
Principal [3],[4],[5],[22],[23] $ 0    
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[5],[22],[23] 6.00%    
Principal [3],[5],[22],[23] $ 6,405    
Interest rate (as a percent) [3],[5],[22],[23] 11.54%    
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Secured Debt 3      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[5],[22],[23] 8.00%    
Principal [3],[5],[22],[23] $ 6,405    
Interest rate (as a percent) [3],[5],[22],[23] 13.54%    
Investment, Identifier [Axis]: Brainworks Software, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.25% [3],[5],[10],[14] 9.25% [7],[9],[11],[16] 9.25% [7],[9],[11],[16]
Principal $ 761 [3],[5],[10],[14] $ 761 [7],[9],[11],[16]  
Interest rate (as a percent) 15.75% [3],[5],[10],[14] 12.50% [7],[9],[11],[16] 12.50% [7],[9],[11],[16]
Investment, Identifier [Axis]: Brainworks Software, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.25% [3],[5],[10],[14] 9.25% [7],[9],[11],[16] 9.25% [7],[9],[11],[16]
Principal $ 7,056 [3],[5],[10],[14] $ 7,056 [7],[9],[11],[16]  
Interest rate (as a percent) 15.75% [3],[5],[10],[14] 12.50% [7],[9],[11],[16] 12.50% [7],[9],[11],[16]
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent) 10.00% [5] 10.00% [9] 10.00% [9]
Principal $ 5,498 [5] $ 5,964 [9]  
Interest rate (as a percent) 15.46% [5] 14.12% [9] 14.12% [9]
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Secured Debt 1      
Schedule of Investments [Line Items]      
Principal $ 8,813 $ 8,813  
Interest rate (as a percent) 13.00% 13.00% 13.00%
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Secured Debt 2      
Schedule of Investments [Line Items]      
Principal $ 1,000 $ 1,000 [17]  
Interest rate (as a percent) 13.00% 13.00% [17] 13.00% [17]
Investment, Identifier [Axis]: Buca C, LLC, Preferred Member Units      
Schedule of Investments [Line Items]      
Interest rate (as a percent) 6.00% 6.00% 6.00%
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Principal $ 16,980 [14] $ 17,355  
Interest rate (as a percent) 12.00% [14] 9.00% 9.00%
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 5.00% [3],[5] 5.00% [7],[8],[9] 5.00% [7],[8],[9]
Principal $ 465 [3],[5] $ 0 [7],[8],[9]  
Interest rate (as a percent) [3],[5] 10.46%    
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 5.00% [3],[5] 5.00% [7],[9] 5.00% [7],[9]
Principal $ 19,681 [3],[5] $ 19,933 [7],[9]  
Interest rate (as a percent) 10.46% [3],[5] 8.91% [7],[9] 8.91% [7],[9]
Investment, Identifier [Axis]: CQ Fluency, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[4],[5] 7.00%    
Principal [3],[4],[5] $ 0    
Investment, Identifier [Axis]: CQ Fluency, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[4],[5] 7.00%    
Principal [3],[4],[5] $ 0    
Investment, Identifier [Axis]: CQ Fluency, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[5] 7.00%    
Principal [3],[5] $ 11,250    
Interest rate (as a percent) [3],[5] 12.45%    
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent) [7],[9],[24]   8.50% 8.50%
Principal [7],[9],[24]   $ 28,328  
Interest rate (as a percent) [7],[9],[24]   11.99% 11.99%
Investment, Identifier [Axis]: California Splendor Holdings LLC, Preferred Member Units 1      
Schedule of Investments [Line Items]      
Interest rate (as a percent) 15.00% [19] 15.00% [18] 15.00% [18]
Investment, Identifier [Axis]: California Splendor Holdings LLC, Preferred Member Units 2.1      
Schedule of Investments [Line Items]      
Interest rate (as a percent) 15.00% 15.00% 15.00%
Investment, Identifier [Axis]: California Splendor Holdings LLC, Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent) 10.00% [5],[19] 10.00% [9] 10.00% [9]
Principal $ 28,000 [5],[19] $ 28,000 [9]  
Interest rate (as a percent) 15.69% [5],[19] 13.75% [9] 13.75% [9]
Investment, Identifier [Axis]: Camin Cargo Control, Inc., Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent) [1],[9]   6.50% 6.50%
Principal [1],[9]   $ 15,218  
Interest rate (as a percent) [1],[9]   10.88% 10.88%
Investment, Identifier [Axis]: Career Team Holdings, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.00% [5] 6.00% [8],[9] 6.00% [8],[9]
Principal $ 900 [5] $ 0 [8],[9]  
Interest rate (as a percent) [5] 11.38%    
Investment, Identifier [Axis]: Career Team Holdings, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Principal $ 20,025 $ 20,250  
Interest rate (as a percent) 13.00% 12.50% 12.50%
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.00% [3],[4],[5] 6.00% [7],[8],[9] 6.00% [7],[8],[9]
Principal $ 0 [3],[4],[5] $ 0 [7],[8],[9]  
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.00% [3],[5] 6.00% [7],[9] 6.00% [7],[9]
Principal $ 7,933 [3],[5] $ 7,993 [7],[9]  
Interest rate (as a percent) 11.61% [3],[5] 10.73% [7],[9] 10.73% [7],[9]
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 3      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.00% [3],[5] 5.75% [7],[9] 5.75% [7],[9]
Principal $ 6,102 [3],[5] $ 6,133 [7],[9]  
Interest rate (as a percent) 11.61% [3],[5] 10.48% [7],[9] 10.48% [7],[9]
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 9.00% [4],[5] 9.00% [8],[9] 9.00% [8],[9]
Principal $ 0 [4],[5] $ 0 [8],[9]  
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 9.00% [5] 9.00% [9] 9.00% [9]
Principal $ 17,574 [5] $ 15,030 [9]  
Interest rate (as a percent) 14.48% [5] 13.13% [9] 13.13% [9]
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.00% [4],[5] 6.00% [8],[9] 6.00% [8],[9]
Principal $ 0 [4],[5] $ 0 [8],[9]  
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 8.00% [5] 8.00% [9] 8.00% [9]
Principal $ 15,620 [5] $ 16,945 [9]  
Interest rate (as a percent) 13.49% [5] 12.13% [9] 12.13% [9]
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.00% [3],[5],[25] 6.25% [6],[7],[9],[26] 6.25% [6],[7],[9],[26]
Principal $ 2,071 [3],[5],[25] $ 1,868 [6],[7],[9],[26]  
Interest rate (as a percent) 12.60% [3],[5],[25] 10.72% [6],[7],[9],[26] 10.72% [6],[7],[9],[26]
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.00% [3],[5] 6.25% [6],[7],[9],[27] 6.25% [6],[7],[9],[27]
Principal $ 36,540 [3],[5] $ 39,047 [6],[7],[9],[27]  
Interest rate (as a percent) 12.66% [3],[5] 10.71% [6],[7],[9],[27] 10.71% [6],[7],[9],[27]
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[5] 7.00%    
Principal [3],[5] $ 2,024    
Interest rate (as a percent) [3],[5] 12.66%    
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 4      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[5] 7.00%    
Principal [3],[5] $ 4,893    
Interest rate (as a percent) [3],[5] 12.66%    
Investment, Identifier [Axis]: Charps, LLC, Unsecured Debt      
Schedule of Investments [Line Items]      
Principal $ 5,694 $ 5,694  
Interest rate (as a percent) 10.00% 10.00% 10.00%
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [6],[8],[9]   9.00% 9.00%
Principal $ 0 [4] $ 0 [6],[8],[9]  
Interest rate (as a percent) 11.50%    
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) [6],[9]   9.00% 9.00%
Principal $ 8,560 $ 10,480 [6],[9]  
Interest rate (as a percent) 11.50% 13.23% [6],[9] 13.23% [6],[9]
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 2.1      
Schedule of Investments [Line Items]      
Spread (as a percent)   9.00% 9.00%
Interest rate (as a percent)   13.23% 13.23%
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Principal $ 1,013 $ 1,049  
Interest rate (as a percent) 10.00% 10.00% 10.00%
Investment, Identifier [Axis]: Clarius BIGS, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Principal $ 2,677 [3],[10],[14] $ 2,712 [7],[11],[16]  
Interest rate (as a percent) [7],[11],[16]   15.00% 15.00%
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.00% [5] 6.00% [9] 6.00% [9]
Principal $ 4,560 [5] $ 4,560 [9]  
Interest rate (as a percent) 11.69% [5] 9.75% [9] 9.75% [9]
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Principal $ 19,274 $ 19,274  
Interest rate (as a percent) 8.00% 8.00% 8.00%
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [9]   10.50% 10.50%
Principal $ 0 [4] $ 1,462 [9]  
Interest rate (as a percent) [9]   15.38% 15.38%
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 1.1      
Schedule of Investments [Line Items]      
Interest rate (as a percent) 12.50%    
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 1.2      
Schedule of Investments [Line Items]      
Spread (as a percent)   10.50% 10.50%
Interest rate (as a percent)   15.38% 15.38%
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) [9]   10.50% 10.50%
Principal $ 42,073 $ 40,801 [9]  
Interest rate (as a percent) 12.50% 15.38% [9] 15.38% [9]
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 2.1      
Schedule of Investments [Line Items]      
Interest rate (as a percent) 12.50%    
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 2.2      
Schedule of Investments [Line Items]      
Spread (as a percent)   10.50% 10.50%
Interest rate (as a percent)   15.38% 15.38%
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 3      
Schedule of Investments [Line Items]      
Spread (as a percent) 10.50%    
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 4      
Schedule of Investments [Line Items]      
Spread (as a percent) 10.50%    
Investment, Identifier [Axis]: Colonial Electric Company LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Principal $ 0 [4] $ 0 [8]  
Investment, Identifier [Axis]: Colonial Electric Company LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Principal $ 22,050 $ 23,310  
Interest rate (as a percent) 12.00% 12.00% 12.00%
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 9.00% [4],[5],[14] 9.00% [8],[9],[16] 9.00% [8],[9],[16]
Principal $ 0 [4],[5],[14] $ 0 [8],[9],[16]  
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 9.00% [5] 9.00% [9] 9.00% [9]
Principal $ 3,454 [5] $ 5,241 [9]  
Interest rate (as a percent) 14.48% [5] 13.13% [9] 13.13% [9]
Investment, Identifier [Axis]: Compass Systems & Sales, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Principal [4] $ 0    
Interest rate (as a percent) 13.50%    
Investment, Identifier [Axis]: Compass Systems & Sales, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Principal $ 17,200    
Interest rate (as a percent) 13.50%    
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 8.00% [3],[5],[28] 8.00% [7],[9],[29] 8.00% [7],[9],[29]
Principal $ 5,000 [3],[5],[28] $ 5,000 [7],[9],[29]  
Interest rate (as a percent) 13.52% [3],[5],[28] 12.56% [7],[9],[29] 12.56% [7],[9],[29]
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 8.00% [3],[5] 8.00% [7],[9] 8.00% [7],[9]
Principal $ 18,313 [3],[5] $ 18,588 [7],[9]  
Interest rate (as a percent) 13.52% [3],[5] 12.56% [7],[9] 12.56% [7],[9]
Investment, Identifier [Axis]: Cybermedia Technologies, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Interest rate (as a percent) 10.00%    
Investment, Identifier [Axis]: Cybermedia Technologies, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Principal [4] $ 0    
Investment, Identifier [Axis]: Cybermedia Technologies, LLC, Secured Debt 1.1      
Schedule of Investments [Line Items]      
Interest rate (as a percent) 13.00%    
Investment, Identifier [Axis]: Cybermedia Technologies, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Principal $ 28,638    
Interest rate (as a percent) 13.00%    
Investment, Identifier [Axis]: DMA Industries, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Principal $ 18,800 $ 21,200  
Interest rate (as a percent) 12.00% 12.00% 12.00%
Investment, Identifier [Axis]: DTE Enterprises, LLC, Class A Preferred Member Units      
Schedule of Investments [Line Items]      
Interest rate (as a percent) 8.00% [3] 8.00% [7] 8.00% [7]
Investment, Identifier [Axis]: DTE Enterprises, LLC, Class AA Preferred Member Units (non-voting)      
Schedule of Investments [Line Items]      
Interest rate (as a percent) 10.00% [3],[19] 10.00% [7],[18] 10.00% [7],[18]
Investment, Identifier [Axis]: DTE Enterprises, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [7],[8],[9]   7.50% 7.50%
Principal [7],[8],[9]   $ 0  
Investment, Identifier [Axis]: DTE Enterprises, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) [7],[9]   7.50% 7.50%
Principal [7],[9]   $ 6,074  
Interest rate (as a percent) [7],[9]   12.24% 12.24%
Investment, Identifier [Axis]: Dalton US Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [6],[7],[9]   8.00% 8.00%
Principal [6],[7],[9]   $ 1,092  
Interest rate (as a percent) [6],[7],[9]   11.90% 11.90%
Investment, Identifier [Axis]: Dalton US Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) [6],[7],[8],[9]   8.00% 8.00%
Principal [6],[7],[8],[9]   $ 0  
Investment, Identifier [Axis]: Dalton US Inc., Secured Debt 3      
Schedule of Investments [Line Items]      
Spread (as a percent) [6],[7],[9]   8.00% 8.00%
Principal [6],[7],[9]   $ 14,389  
Interest rate (as a percent) [6],[7],[9]   12.56% 12.56%
Investment, Identifier [Axis]: Datacom, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Principal $ 450 $ 223  
Interest rate (as a percent) 7.50% 7.50% 7.50%
Investment, Identifier [Axis]: Datacom, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Principal $ 8,352 $ 8,622  
Interest rate (as a percent) 10.00% 7.50% 7.50%
Investment, Identifier [Axis]: Digital Products Holdings LLC, Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent) 10.00% [5] 10.00% [9] 10.00% [9]
Principal $ 14,873 [5] $ 15,533 [9]  
Interest rate (as a percent) 15.38% [5] 14.13% [9] 14.13% [9]
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [8],[9]   11.00% 11.00%
Principal $ 1,233 $ 0 [8],[9]  
Interest rate (as a percent) 14.00%    
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) [9]   11.00% 11.00%
Principal $ 25,543 $ 27,267 [9]  
Interest rate (as a percent) 14.00% 15.13% [9] 15.13% [9]
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt 3      
Schedule of Investments [Line Items]      
Spread (as a percent)   11.00% 11.00%
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 5.00% [3],[5] 4.50% [6],[7],[9] 4.50% [6],[7],[9]
Principal $ 2,071 [3],[5] $ 1,875 [6],[7],[9]  
Interest rate (as a percent) 10.45% [3],[5] 9.18% [6],[7],[9] 9.18% [6],[7],[9]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.00% [3],[5] 6.50% [6],[7],[9] 6.50% [6],[7],[9]
Principal $ 2,113 [3],[5] $ 1,875 [6],[7],[9]  
Interest rate (as a percent) 12.45% [3],[5] 11.18% [6],[7],[9] 11.18% [6],[7],[9]
Investment, Identifier [Axis]: EPIC Y-Grade Services, LP, Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent) [1],[9]   6.00% 6.00%
Principal [1],[9]   $ 6,823  
Interest rate (as a percent) [1],[9]   10.70% 10.70%
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 8.00% [3],[5] 7.00% [7],[9] 7.00% [7],[9]
Principal $ 967 [3],[5] $ 3,346 [7],[9]  
Interest rate (as a percent) 13.50% [3],[5] 11.73% [7],[9] 11.73% [7],[9]
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 8.00% [3],[5] 7.00% [7],[9] 7.00% [7],[9]
Principal $ 4,792 [3],[5] $ 5,021 [7],[9]  
Interest rate (as a percent) 13.50% [3],[5] 11.73% [7],[9] 11.73% [7],[9]
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Spread (as a percent) 8.00% [3],[5] 7.00% [7],[9] 7.00% [7],[9]
Principal $ 9,557 [3],[5] $ 23,456 [7],[9]  
Interest rate (as a percent) 13.50% [3],[5] 11.73% [7],[9] 11.73% [7],[9]
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt 4      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[5] 8.00%    
Principal [3],[5] $ 1,982    
Interest rate (as a percent) [3],[5] 13.50%    
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt 5      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[5] 8.00%    
Principal [3],[5] $ 10,846    
Interest rate (as a percent) [3],[5] 13.50%    
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.00% [4],[5] 6.00% [6],[8],[9] 6.00% [6],[8],[9]
Principal $ 0 [4],[5] $ 0 [6],[8],[9]  
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Principal $ 18,773 $ 18,773  
Interest rate (as a percent) 12.00% 12.00% 12.00%
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Principal $ 6,313 $ 6,357  
Interest rate (as a percent) 9.00% 9.00% 9.00%
Investment, Identifier [Axis]: Emerald Technologies Acquisition Co, Inc., Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.25% [2],[5] 6.25% [1],[6],[9] 6.25% [1],[6],[9]
Principal $ 8,965 [2],[5] $ 9,258 [1],[6],[9]  
Interest rate (as a percent) 11.79% [2],[5] 10.67% [1],[6],[9] 10.67% [1],[6],[9]
Investment, Identifier [Axis]: Engineering Research & Consulting, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 5.50% [3],[4],[5] 6.50% [6],[7],[9] 6.50% [6],[7],[9]
Principal $ 0 [3],[4],[5] $ 131 [6],[7],[9]  
Interest rate (as a percent) [6],[7],[9]   11.68% 11.68%
Investment, Identifier [Axis]: Engineering Research & Consulting, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.50% [3],[5] 6.50% [6],[7],[9] 6.50% [6],[7],[9]
Principal $ 16,134 [3],[5] $ 16,338 [6],[7],[9]  
Interest rate (as a percent) 11.98% [3],[5] 10.92% [6],[7],[9] 10.92% [6],[7],[9]
Investment, Identifier [Axis]: Escalent, Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[4],[5] 8.00%    
Principal [3],[4],[5] $ 0    
Investment, Identifier [Axis]: Escalent, Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[5] 8.00%    
Principal [3],[5] $ 26,313    
Interest rate (as a percent) [3],[5] 13.45%    
Investment, Identifier [Axis]: Event Holdco, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.00% [3],[5] 7.00% [7],[9],[17] 7.00% [7],[9],[17]
Principal $ 3,692 [3],[5] $ 3,692 [7],[9],[17]  
Interest rate (as a percent) 12.61% [3],[5] 10.67% [7],[9],[17] 10.67% [7],[9],[17]
Investment, Identifier [Axis]: Event Holdco, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.00% [3],[5] 7.00% [7],[9],[17] 7.00% [7],[9],[17]
Principal $ 44,169 [3],[5] $ 44,308 [7],[9],[17]  
Interest rate (as a percent) 12.61% [3],[5] 10.67% [7],[9],[17] 10.67% [7],[9],[17]
Investment, Identifier [Axis]: Flame King Holdings, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.50% 6.50% [9] 6.50% [9]
Principal [9]   $ 7,600  
Interest rate (as a percent) [9]   10.75% 10.75%
Investment, Identifier [Axis]: Flame King Holdings, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 9.00% 9.00% [9] 9.00% [9]
Principal [9]   $ 21,200  
Interest rate (as a percent) [9]   13.25% 13.25%
Investment, Identifier [Axis]: Flip Electronics LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [6],[7],[9]   7.50% 7.50%
Principal [6],[7],[9]   $ 736  
Interest rate (as a percent) [6],[7],[9]   11.21% 11.21%
Investment, Identifier [Axis]: Flip Electronics LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) [6],[7],[9]   7.50% 7.50%
Principal [6],[7],[9]   $ 11,095  
Interest rate (as a percent) [6],[7],[9]   12.19% 12.19%
Investment, Identifier [Axis]: Fuse, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Principal $ 1,810 [2] $ 1,810 [1]  
Interest rate (as a percent) 12.00% [2] 12.00% [1] 12.00% [1]
Investment, Identifier [Axis]: GFG Group, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Principal $ 9,345    
Interest rate (as a percent) 8.00%    
Investment, Identifier [Axis]: GFG Group, LLC., Secured Debt      
Schedule of Investments [Line Items]      
Principal   $ 11,345  
Interest rate (as a percent)   9.00% 9.00%
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.00% 6.00% 6.00%
Principal $ 2,400 $ 670  
Interest rate (as a percent) 11.48% 10.12% 10.12%
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 8.00% 8.00% 8.00%
Principal $ 40,493 $ 40,493  
Interest rate (as a percent) 13.48% 12.12% 12.12%
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.50% [3],[5],[30] 6.50% [7],[9] 6.50% [7],[9]
Principal $ 1,545 [3],[5],[30] $ 2,177 [7],[9]  
Interest rate (as a percent) 11.96% [3],[5],[30] 11.20% [7],[9] 11.20% [7],[9]
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.50% [3],[4],[5] 6.50% [7],[9] 6.50% [7],[9]
Principal $ 0 [3],[4],[5] $ 10,734 [7],[9]  
Interest rate (as a percent) [7],[9]   11.24% 11.24%
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[5] 6.50%    
Principal [3],[5] $ 10,624    
Interest rate (as a percent) [3],[5] 11.96%    
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC, Secured Debt 4      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[5] 6.50%    
Principal [3],[5] $ 952    
Interest rate (as a percent) [3],[5] 11.96%    
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC, Secured Debt 5      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[5] 6.50%    
Principal [3],[5] $ 227    
Interest rate (as a percent) [3],[5] 11.96%    
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 5.75% [3],[5],[31] 6.00% [6],[7],[9] 6.00% [6],[7],[9]
Principal $ 454 [3],[5],[31] $ 252 [6],[7],[9]  
Interest rate (as a percent) 11.28% [3],[5],[31] 10.42% [6],[7],[9] 10.42% [6],[7],[9]
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 5.75% [3],[5] 6.00% [6],[7],[8],[9] 6.00% [6],[7],[8],[9]
Principal $ 301 [3],[5] $ 0 [6],[7],[8],[9]  
Interest rate (as a percent) [3],[5] 11.38%    
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Spread (as a percent) 5.75% [3],[5] 6.00% [6],[7],[9] 6.00% [6],[7],[9]
Principal $ 3,615 [3],[5] $ 3,661 [6],[7],[9]  
Interest rate (as a percent) 11.25% [3],[5] 10.73% [6],[7],[9] 10.73% [6],[7],[9]
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.50% [4],[5],[12] 8.50% [6],[8],[9] 8.50% [6],[8],[9]
Principal $ 0 [4],[5],[12] $ 0 [6],[8],[9]  
Interest rate (as a percent) 3.00%    
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.50% [5],[12] 8.50% [6],[9] 8.50% [6],[9]
Principal $ 54,078 [5],[12] $ 64,078 [6],[9]  
Interest rate (as a percent) 10.50% [5],[12] 11.50% [6],[9] 11.50% [6],[9]
Interest rate (as a percent) 3.00%    
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Spread (as a percent)   7.50% 7.50%
Investment, Identifier [Axis]: Garreco, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent) 8.00% [5],[32] 8.00% [9],[33] 8.00% [9],[33]
Principal $ 3,088 [5],[32] $ 3,826 [9],[33]  
Interest rate (as a percent) 9.50% [5],[32] 9.50% [9],[33] 9.50% [9],[33]
Interest rate (as a percent) 1.50% 1.50% 1.50%
Investment, Identifier [Axis]: Garyline, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[4],[5] 6.75%    
Principal [3],[4],[5] $ 0    
Investment, Identifier [Axis]: Garyline, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[5] 6.75%    
Principal [3],[5] $ 32,471    
Interest rate (as a percent) [3],[5] 12.22%    
Investment, Identifier [Axis]: GeoStabilization International (GSI), Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent) [1],[6]   5.25% 5.25%
Principal [1],[6]   $ 20,497  
Interest rate (as a percent) [1],[6]   9.44% 9.44%
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 9.50% [4],[5] 9.50% [8],[9] 9.50% [8],[9]
Principal $ 0 [4],[5] $ 0 [8],[9]  
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Principal $ 2,400 $ 2,400  
Interest rate (as a percent) 12.50% 12.50% 12.50%
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt 2.1      
Schedule of Investments [Line Items]      
Interest rate (as a percent) 12.50%    
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Interest rate (as a percent)   12.50% 12.50%
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 9.50% [3],[5],[14] 9.50% [6],[7],[9] 9.50% [6],[7],[9]
Principal $ 370 [3],[5],[14] $ 320 [6],[7],[9]  
Interest rate (as a percent) 14.34% [3],[5],[14] 14.34% [6],[7],[9] 14.34% [6],[7],[9]
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 9.50% [3],[5],[14] 9.50% [6],[7],[9] 9.50% [6],[7],[9]
Principal $ 3,751 [3],[5],[14] $ 3,277 [6],[7],[9]  
Interest rate (as a percent) 14.34% [3],[5],[14] 14.34% [6],[7],[9] 14.34% [6],[7],[9]
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.50% [3],[4],[5] 6.50% [6],[7],[8],[9] 6.50% [6],[7],[8],[9]
Principal $ 0 [3],[4],[5] $ 0 [6],[7],[8],[9]  
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.50% [3],[5] 6.50% [6],[7],[8],[9] 6.50% [6],[7],[8],[9]
Principal $ 6,733 [3],[5] $ 0 [6],[7],[8],[9]  
Interest rate (as a percent) [3],[5] 11.86%    
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.50% [3],[5] 6.50% [6],[7],[9] 6.50% [6],[7],[9]
Principal $ 16,622 [3],[5] $ 16,791 [6],[7],[9]  
Interest rate (as a percent) 11.86% [3],[5] 10.62% [6],[7],[9] 10.62% [6],[7],[9]
Investment, Identifier [Axis]: HOWLCO LLC, Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.00% [2],[5],[22],[23] 6.00% [1],[9],[34],[35] 6.00% [1],[9],[34],[35]
Principal $ 25,162 [2],[5],[22],[23] $ 25,290 [1],[9],[34],[35]  
Interest rate (as a percent) 11.53% [2],[5],[22],[23] 10.69% [1],[9],[34],[35] 10.69% [1],[9],[34],[35]
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.00% [5] 6.00% [9] 6.00% [9]
Principal $ 1,974 [5] $ 3,185 [9]  
Interest rate (as a percent) 11.65% [5] 10.13% [9] 10.13% [9]
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Principal $ 45,256 $ 37,800  
Interest rate (as a percent) 12.50% 9.00% 9.00%
Investment, Identifier [Axis]: Heartland Dental, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent) [7],[9]   6.50% 6.50%
Principal [7],[9]   $ 14,663  
Interest rate (as a percent) [7],[9]   10.88% 10.88%
Investment, Identifier [Axis]: Houston Plating and Coatings, LLC, Unsecured Convertible Debt      
Schedule of Investments [Line Items]      
Principal $ 3,000 $ 3,000  
Interest rate (as a percent) 8.00% 8.00% 8.00%
Investment, Identifier [Axis]: Hybrid Promotions, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent) 8.25% [3],[5] 8.25% [6],[7] 8.25% [6],[7]
Principal $ 7,167 [3],[5] $ 7,088 [6],[7]  
Interest rate (as a percent) 15.91% [3],[5] 12.07% [6],[7] 12.07% [6],[7]
Investment, Identifier [Axis]: IG Investor, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Principal [4] $ 0    
Investment, Identifier [Axis]: IG Investor, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Principal $ 37,264    
Interest rate (as a percent) 13.00%    
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 5.75% [2],[4],[5] 5.75% [1],[6],[9],[36] 5.75% [1],[6],[9],[36]
Principal $ 0 [2],[4],[5] $ 698 [1],[6],[9],[36]  
Interest rate (as a percent) [1],[6],[9],[36]   10.17% 10.17%
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 5.50% [2],[5] 5.75% [1],[6],[9] 5.75% [1],[6],[9]
Principal $ 9,399 [2],[5] $ 14,499 [1],[6],[9]  
Interest rate (as a percent) 10.96% [2],[5] 10.17% [1],[6],[9] 10.17% [1],[6],[9]
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt 3      
Schedule of Investments [Line Items]      
Spread (as a percent) [2],[5] 5.50%    
Principal [2],[5] $ 4,953    
Interest rate (as a percent) [2],[5] 10.96%    
Investment, Identifier [Axis]: INW Manufacturing, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent) 5.75% [2],[5] 5.75% [1],[9] 5.75% [1],[9]
Principal $ 6,656 [2],[5] $ 7,125 [1],[9]  
Interest rate (as a percent) 11.36% [2],[5] 10.48% [1],[9] 10.48% [1],[9]
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [5] 9.00%    
Principal [5] $ 826    
Interest rate (as a percent) [5] 16.59%    
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) [5] 9.00%    
Principal [5] $ 711    
Interest rate (as a percent) [5] 16.59%    
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Spread (as a percent) [5] 8.00%    
Principal [5] $ 4,362    
Interest rate (as a percent) [5] 15.59%    
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 4      
Schedule of Investments [Line Items]      
Spread (as a percent) [5] 10.00%    
Principal [5] $ 4,362    
Interest rate (as a percent) [5] 17.59%    
Investment, Identifier [Axis]: Imaging Business Machines, L.L.C., Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[5],[37] 7.00%    
Principal [3],[5],[37] $ 1,581    
Interest rate (as a percent) [3],[5],[37] 12.41%    
Investment, Identifier [Axis]: Imaging Business Machines, L.L.C., Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[5] 7.00%    
Principal [3],[5] $ 20,768    
Interest rate (as a percent) [3],[5] 12.45%    
Investment, Identifier [Axis]: Implus Footcare, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.75% [3],[5] 7.75% [7],[9] 7.75% [7],[9]
Principal $ 18,645 [3],[5] $ 18,515 [7],[9]  
Interest rate (as a percent) 14.25% [3],[5] 13.98% [7],[9] 13.98% [7],[9]
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Preferred Stock (non-voting) 1      
Schedule of Investments [Line Items]      
Interest rate (as a percent) [7]   6.00% 6.00%
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [6],[7]   10.00% 10.00%
Principal [6],[7]   $ 806  
Interest rate (as a percent) [6],[7]   14.42% 14.42%
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) [7],[9],[38]   5.50% 5.50%
Principal [7],[9],[38]   $ 7,027  
Interest rate (as a percent) [7],[9],[38]   13.00% 13.00%
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Principal [7],[11]   $ 18,428  
Interest rate (as a percent) [7],[11]   6.00% 6.00%
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Warrants      
Schedule of Investments [Line Items]      
Strike price (in dollars per share) | $ / shares   $ 1.00  
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Preferred Member Units 1      
Schedule of Investments [Line Items]      
Interest rate (as a percent) 10.00% [3],[19],[39] 10.00% [7],[17],[18] 10.00% [7],[17],[18]
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Preferred Member Units 2      
Schedule of Investments [Line Items]      
Interest rate (as a percent) 20.00% [3],[19],[39] 20.00% [7],[17],[18] 20.00% [7],[17],[18]
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.75% [3],[5],[40] 6.75% [7],[9] 6.75% [7],[9]
Principal $ 1,390 [3],[5],[40] $ 463 [7],[9]  
Interest rate (as a percent) 12.22% [3],[5],[40] 11.50% [7],[9] 11.50% [7],[9]
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.75% [3],[5] 6.75% [7],[9] 6.75% [7],[9]
Principal $ 19,044 [3],[5] $ 19,239 [7],[9]  
Interest rate (as a percent) 12.22% [3],[5] 11.50% [7],[9] 11.50% [7],[9]
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Principal $ 17,550    
Interest rate (as a percent) 13.00%    
Investment, Identifier [Axis]: Infolinks Media Buyco, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 5.75% [3],[5] 5.50% [7],[8],[9] 5.50% [7],[8],[9]
Principal $ 1,504 [3],[5] $ 0 [7],[8],[9]  
Interest rate (as a percent) [3],[5] 11.21%    
Investment, Identifier [Axis]: Infolinks Media Buyco, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 5.75% [3],[5] 5.50% [7],[9] 5.50% [7],[9]
Principal $ 7,752 [3],[5] $ 8,593 [7],[9]  
Interest rate (as a percent) 11.21% [3],[5] 10.23% [7],[9] 10.23% [7],[9]
Investment, Identifier [Axis]: Insight Borrower Corporation, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[4],[5] 6.25%    
Principal [3],[4],[5] $ 0    
Investment, Identifier [Axis]: Insight Borrower Corporation, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[4],[5] 6.25%    
Principal [3],[4],[5] $ 0    
Investment, Identifier [Axis]: Insight Borrower Corporation, Secured Debt 3      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[5] 6.25%    
Principal [3],[5] $ 14,406    
Interest rate (as a percent) [3],[5] 11.65%    
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[5],[41] 8.00%    
Principal [3],[5],[41] $ 790    
Interest rate (as a percent) [3],[5],[41] 13.53%    
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[5] 8.00%    
Principal [3],[5] $ 7,308    
Interest rate (as a percent) [3],[5] 13.55%    
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[5] 8.00%    
Principal [3],[5] $ 2,940    
Interest rate (as a percent) [3],[5] 13.55%    
Investment, Identifier [Axis]: Integral Energy Services, Preferred Equity      
Schedule of Investments [Line Items]      
Interest rate (as a percent) [3] 10.00%    
Investment, Identifier [Axis]: Integral Energy Services, Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[5] 7.50%    
Principal [3],[5] $ 14,485    
Interest rate (as a percent) [3],[5] 13.16%    
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 10.00% [3],[14],[42] 10.00% [7],[43] 10.00% [7],[43]
Principal $ 1,835 [3],[14],[42] $ 1,682 [7],[43]  
Interest rate (as a percent) 15.48% [3],[14],[42] 14.22% [7],[43] 14.22% [7],[43]
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.00% [3],[5],[10],[14] 7.00% [7],[9],[11] 7.00% [7],[9],[11]
Principal $ 7,313 [3],[5],[10],[14] $ 7,313 [7],[9],[11]  
Interest rate (as a percent) 12.46% [3],[5],[10],[14] 12.07% [7],[9],[11] 12.07% [7],[9],[11]
Investment, Identifier [Axis]: Intermedia Holdings, Inc., Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.00% [2],[5] 6.00% [1],[9] 6.00% [1],[9]
Principal $ 20,201 [2],[5] $ 20,467 [1],[9]  
Interest rate (as a percent) 11.47% [2],[5] 10.38% [1],[9] 10.38% [1],[9]
Investment, Identifier [Axis]: Invincible Boat Company, LLC., Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.50% [3],[5] 6.50% [7],[9] 6.50% [7],[9]
Principal $ 519 [3],[5] $ 622 [7],[9]  
Interest rate (as a percent) 12.00% [3],[5] 10.14% [7],[9] 10.14% [7],[9]
Investment, Identifier [Axis]: Invincible Boat Company, LLC., Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.50% [3],[5] 6.50% [7],[9] 6.50% [7],[9]
Principal $ 16,812 [3],[5] $ 16,889 [7],[9]  
Interest rate (as a percent) 12.00% [3],[5] 10.17% [7],[9] 10.17% [7],[9]
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Principal $ 4,514 $ 4,534  
Interest rate (as a percent) 13.50% 12.50% 12.50%
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Principal $ 2,940 $ 3,154  
Interest rate (as a percent) 13.50% 12.50% 12.50%
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Principal $ 8,944 $ 8,944  
Interest rate (as a percent) 13.50% 12.50% 12.50%
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 4      
Schedule of Investments [Line Items]      
Principal $ 19,624 $ 19,712  
Interest rate (as a percent) 13.50% 12.50% 12.50%
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 5      
Schedule of Investments [Line Items]      
Principal $ 10,562    
Interest rate (as a percent) 13.50%    
Investment, Identifier [Axis]: Isagenix International, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent) 5.50% [2],[5] 7.75% [1],[9],[11] 7.75% [1],[9],[11]
Principal $ 2,615 [2],[5] $ 5,053 [1],[9],[11]  
Interest rate (as a percent) 11.04% [2],[5] 9.93% [1],[9],[11] 9.93% [1],[9],[11]
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.00% [3],[5],[44] 6.00% [7],[8],[9] 6.00% [7],[8],[9]
Principal $ 3,137 [3],[5],[44] $ 0 [7],[8],[9]  
Interest rate (as a percent) [3],[5],[44] 11.64%    
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.00% [3],[5] 6.00% [7],[9] 6.00% [7],[9]
Principal $ 36,000 [3],[5] $ 36,947 [7],[9]  
Interest rate (as a percent) 11.61% [3],[5] 10.73% [7],[9] 10.73% [7],[9]
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Preferred Equity      
Schedule of Investments [Line Items]      
Interest rate (as a percent) [7],[18]   12.00% 12.00%
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.00% [3],[5],[45] 7.50% [7],[9] 7.50% [7],[9]
Principal $ 835 [3],[5],[45] $ 500 [7],[9]  
Interest rate (as a percent) 12.46% [3],[5],[45] 12.23% [7],[9] 12.23% [7],[9]
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.00% [3],[5] 7.50% [7],[9] 7.50% [7],[9]
Principal $ 1,974 [3],[5] $ 2,079 [7],[9]  
Interest rate (as a percent) 12.46% [3],[5] 12.23% [7],[9] 12.23% [7],[9]
Investment, Identifier [Axis]: Jensen Jewelers of Idaho, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.75%    
Interest rate (as a percent) 15.25%    
Investment, Identifier [Axis]: Jensen Jewelers of Idaho, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.75% [4],[14] 6.75% [8] 6.75% [8]
Principal $ 0 [4],[14] $ 0 [8]  
Investment, Identifier [Axis]: Jensen Jewelers of Idaho, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.75% [5],[14] 6.75% [9] 6.75% [9]
Principal $ 1,998 [5],[14] $ 2,450 [9]  
Interest rate (as a percent) 15.25% [5],[14] 13.75% [9] 13.75% [9]
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [2],[5],[10] 18.00%    
Principal $ 2,431 [2],[5],[10] $ 2,297 [1]  
Interest rate (as a percent) 23.63% [2],[5],[10] 18.00% [1] 18.00% [1]
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) [2],[5],[10] 16.00%    
Principal $ 2,057 [2],[5],[10] $ 4,034 [1],[11]  
Interest rate (as a percent) 21.63% [2],[5],[10] 19.75% [1],[11] 19.75% [1],[11]
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Spread (as a percent) [2],[5],[10] 16.00%    
Principal [2],[5],[10] $ 1,978    
Interest rate (as a percent) [2],[5],[10] 21.63%    
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [8],[9]   11.50% 11.50%
Principal $ 0 [4] $ 0 [8],[9]  
Interest rate (as a percent) 15.00%    
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) [9]   11.50% 11.50%
Principal $ 24,207 $ 9,999 [9]  
Interest rate (as a percent) 15.00% 15.63% [9] 15.63% [9]
Investment, Identifier [Axis]: JorVet Holdings, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Principal $ 25,650 $ 25,650  
Interest rate (as a percent) 12.00% 12.00% 12.00%
Investment, Identifier [Axis]: KBK Industries, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Principal $ 4,700    
Interest rate (as a percent) 9.00%    
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 9.25% [3],[5] 7.25% [7],[9] 7.25% [7],[9]
Principal $ 1,034 [3],[5] $ 1,064 [7],[9]  
Interest rate (as a percent) 14.75% [3],[5] 12.00% [7],[9] 12.00% [7],[9]
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 9.25% [3],[5] 7.25% [7],[9] 7.25% [7],[9]
Principal $ 7,448 [3],[5] $ 7,505 [7],[9]  
Interest rate (as a percent) 14.75% [3],[5] 12.00% [7],[9] 12.00% [7],[9]
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Principal $ 19,799 $ 20,415  
Interest rate (as a percent) 12.00% 11.50% 11.50%
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Principal $ 3,840 $ 3,879  
Interest rate (as a percent) 9.00% 9.00% 9.00%
Investment, Identifier [Axis]: Kore Wireless Group Inc., Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent) [1],[6]   5.50% 5.50%
Principal [1],[6]   $ 11,326  
Interest rate (as a percent) [1],[6]   10.08% 10.08%
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.25% [3],[5] 7.25% [6],[7],[9] 7.25% [6],[7],[9]
Principal $ 7,960 [3],[5] $ 8,106 [6],[7],[9]  
Interest rate (as a percent) 12.71% [3],[5] 11.21% [6],[7],[9] 11.21% [6],[7],[9]
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.25% [3],[5] 7.25% [6],[7],[9] 7.25% [6],[7],[9]
Principal $ 5,246 [3],[5] $ 9,197 [6],[7],[9]  
Interest rate (as a percent) 12.71% [3],[5] 11.67% [6],[7],[9] 11.67% [6],[7],[9]
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 3      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.25% [3],[5] 7.25% [6],[7],[9] 7.25% [6],[7],[9]
Principal $ 2,803 [3],[5] $ 10,827 [6],[7],[9]  
Interest rate (as a percent) 12.71% [3],[5] 11.67% [6],[7],[9] 11.67% [6],[7],[9]
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 4      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[5] 7.25%    
Principal [3],[5] $ 1,056    
Interest rate (as a percent) [3],[5] 12.71%    
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 5      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[5] 7.25%    
Principal [3],[5] $ 10,694    
Interest rate (as a percent) [3],[5] 12.71%    
Investment, Identifier [Axis]: LLFlex, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent) 9.00% [3],[5] 9.00% [7],[9] 9.00% [7],[9]
Principal $ 4,428 [3],[5] $ 4,444 [7],[9]  
Interest rate (as a percent) 15.54% [3],[5] 12.74% [7],[9] 12.74% [7],[9]
Investment, Identifier [Axis]: Lightbox Holdings, L.P., Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent) 5.00% [2] 5.00% [1] 5.00% [1]
Principal $ 14,325 [2] $ 14,475 [1]  
Interest rate (as a percent) 10.62% [2] 9.73% [1] 9.73% [1]
Investment, Identifier [Axis]: Logix Acquisition Company, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent) 4.75% [3],[5] 5.75% [7],[9] 5.75% [7],[9]
Principal $ 23,921 [3],[5] $ 19,662 [7],[9]  
Interest rate (as a percent) 13.25% [3],[5] 10.13% [7],[9] 10.13% [7],[9]
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.00% [2],[5] 6.00% [1],[6],[9] 6.00% [1],[6],[9]
Principal $ 2,803 [2],[5] $ 8,338 [1],[6],[9]  
Interest rate (as a percent) 11.46% [2],[5] 10.42% [1],[6],[9] 10.42% [1],[6],[9]
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.00% [2],[5] 6.00% [1],[6],[9] 6.00% [1],[6],[9]
Principal $ 3,925 [2],[5] $ 7,876 [1],[6],[9]  
Interest rate (as a percent) 11.46% [2],[5] 10.42% [1],[6],[9] 10.42% [1],[6],[9]
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Spread (as a percent) [2],[5] 6.00%    
Principal [2],[5] $ 3,464    
Interest rate (as a percent) [2],[5] 11.46%    
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt 4      
Schedule of Investments [Line Items]      
Spread (as a percent) [2],[5] 6.00%    
Principal [2],[5] $ 7,796    
Interest rate (as a percent) [2],[5] 11.46%    
Investment, Identifier [Axis]: MH Corbin Holding LLC, Secured Debt      
Schedule of Investments [Line Items]      
Principal $ 5,400 [14] $ 6,156  
Interest rate (as a percent) 13.00% [14] 13.00% 13.00%
Investment, Identifier [Axis]: MS Private Loan Fund I, LP, Secured Debt      
Schedule of Investments [Line Items]      
Principal $ 0 [4],[22],[46] $ 0 [8],[34],[47]  
Interest rate (as a percent) 5.00%    
Investment, Identifier [Axis]: MS Private Loan Fund II, LP, Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent) [5],[22],[46] 3.50%    
Principal [5],[22],[46] $ 23,500    
Interest rate (as a percent) [5],[22],[46] 8.88%    
Investment, Identifier [Axis]: Mako Steel, LP, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.75% [3],[4],[5] 7.25% [7],[9],[48] 7.25% [7],[9],[48]
Principal $ 0 [3],[4],[5] $ 3,103 [7],[9],[48]  
Interest rate (as a percent) [7],[9],[48]   11.79% 11.79%
Investment, Identifier [Axis]: Mako Steel, LP, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.75% [3],[5] 7.25% [7],[9] 7.25% [7],[9]
Principal $ 15,049 [3],[5] $ 15,324 [7],[9]  
Interest rate (as a percent) 12.28% [3],[5] 11.09% [7],[9] 11.09% [7],[9]
Investment, Identifier [Axis]: Market Force Information, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 11.00% 11.00% [9] 11.00% [9]
Principal [9]   $ 6,275  
Interest rate (as a percent) [9]   15.13% 15.13%
Investment, Identifier [Axis]: Market Force Information, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 11.00%    
Principal [11]   $ 26,079  
Interest rate (as a percent) [11]   12.00% 12.00%
Investment, Identifier [Axis]: MetalForming AcquireCo, LLC, Preferred Equity      
Schedule of Investments [Line Items]      
Interest rate (as a percent) [18]   8.00% 8.00%
Investment, Identifier [Axis]: MetalForming AcquireCo, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Principal [8]   $ 0  
Investment, Identifier [Axis]: MetalForming AcquireCo, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Principal   $ 23,802  
Interest rate (as a percent)   12.75% 12.75%
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Preferred Equity      
Schedule of Investments [Line Items]      
Interest rate (as a percent) [19] 8.00%    
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Principal [4] $ 0    
Interest rate (as a percent) 12.75%    
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Principal $ 23,802    
Interest rate (as a percent) 12.75%    
Investment, Identifier [Axis]: Microbe Formulas, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.25% [3],[4],[5] 6.25% [6],[7],[8],[9] 6.25% [6],[7],[8],[9]
Principal $ 0 [3],[4],[5] $ 0 [6],[7],[8],[9]  
Investment, Identifier [Axis]: Microbe Formulas, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.00% [3],[5] 6.25% [6],[7],[9] 6.25% [6],[7],[9]
Principal $ 22,168 [3],[5] $ 26,075 [6],[7],[9]  
Interest rate (as a percent) 11.46% [3],[5] 9.86% [6],[7],[9] 9.86% [6],[7],[9]
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.00% [3],[5] 6.25% [7],[9] 6.25% [7],[9]
Principal $ 18,152 [3],[5] $ 18,769 [7],[9]  
Interest rate (as a percent) 12.52% [3],[5] 10.66% [7],[9] 10.66% [7],[9]
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[4],[5] 6.25%    
Principal [3],[4],[5] $ 0    
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[4],[5] 6.25%    
Principal [3],[4],[5] $ 0    
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[5] 5.25%    
Principal [3],[5] $ 4,941    
Interest rate (as a percent) [3],[5] 10.64%    
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 4      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[5] 7.25%    
Principal [3],[5] $ 4,941    
Interest rate (as a percent) [3],[5] 12.64%    
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [7],[8],[9],[34],[35]   7.00% 7.00%
Principal $ 3,889 [3],[22],[23] $ 0 [7],[8],[9],[34],[35]  
Interest rate (as a percent) [3],[22],[23] 14.00%    
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) [7],[9],[34],[35]   7.00% 7.00%
Principal $ 10,211 [3],[22],[23] $ 10,107 [7],[9],[34],[35]  
Interest rate (as a percent) 14.00% [3],[22],[23] 11.73% [7],[9],[34],[35] 11.73% [7],[9],[34],[35]
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Spread (as a percent) [7],[9],[34],[35]   7.00% 7.00%
Principal $ 17,213 [3],[22],[23] $ 17,038 [7],[9],[34],[35]  
Interest rate (as a percent) 14.00% [3],[22],[23] 11.73% [7],[9],[34],[35] 11.73% [7],[9],[34],[35]
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Principal $ 0 [4] $ 0 [8]  
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Principal $ 5,746 $ 5,746  
Interest rate (as a percent) 10.00% 10.00% 10.00%
Investment, Identifier [Axis]: NBG Acquisition Inc, Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent) [1],[9]   5.50% 5.50%
Principal $ 3,849 [2],[10] $ 3,849 [1],[9]  
Interest rate (as a percent) [1],[9]   9.67% 9.67%
Investment, Identifier [Axis]: NRP Jones, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Principal $ 2,080 $ 2,080  
Interest rate (as a percent) 12.00% 12.00% 12.00%
Investment, Identifier [Axis]: NTM Acquisition Corp., Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent) [1],[9]   6.25% 6.25%
Principal [1],[9]   $ 4,358  
Interest rate (as a percent) [1],[9]   9.50% 9.50%
Investment, Identifier [Axis]: NWN Corporation, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [6],[7],[9],[49]   8.00% 8.00%
Principal [6],[7],[9],[49]   $ 3,941  
Interest rate (as a percent) [6],[7],[9],[49]   10.85% 10.85%
Investment, Identifier [Axis]: NWN Corporation, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) [6],[7],[9]   8.00% 8.00%
Principal [6],[7],[9]   $ 39,851  
Interest rate (as a percent) [6],[7],[9]   12.56% 12.56%
Investment, Identifier [Axis]: NWN Corporation, Secured Debt 3      
Schedule of Investments [Line Items]      
Principal [7]   $ 6,509  
Interest rate (as a percent) [7]   20.00% 20.00%
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, , Secured Debt 3      
Schedule of Investments [Line Items]      
Interest rate (as a percent)   12.00% 12.00%
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.00% [4],[5] 7.00% [8],[9] 7.00% [8],[9]
Principal $ 0 [4],[5] $ 0 [8],[9]  
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Principal $ 25,794 $ 20,094  
Interest rate (as a percent) 12.00% 12.00% 12.00%
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Principal $ 10,500 $ 10,500  
Interest rate (as a percent) 12.00% 12.00% 12.00%
Investment, Identifier [Axis]: NexRev LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Principal $ 0 [4] $ 0 [8]  
Interest rate (as a percent) 10.00%    
Investment, Identifier [Axis]: NexRev LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Principal $ 9,811 $ 11,465  
Interest rate (as a percent) 10.00% 11.00% 11.00%
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.00% [3],[4],[5] 6.25% [7],[8],[9] 6.25% [7],[8],[9]
Principal $ 0 [3],[4],[5] $ 0 [7],[8],[9]  
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.00% [3],[4],[5] 6.25% [7],[8],[9] 6.25% [7],[8],[9]
Principal $ 0 [3],[4],[5] $ 0 [7],[8],[9]  
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 3      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.00% [3],[5] 6.25% [7],[9] 6.25% [7],[9]
Principal $ 20,467 [3],[5] $ 21,666 [7],[9]  
Interest rate (as a percent) 12.54% [3],[5] 9.99% [7],[9] 9.99% [7],[9]
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 4      
Schedule of Investments [Line Items]      
Spread (as a percent) [3],[5] 7.00%    
Principal [3],[5] $ 7,222    
Interest rate (as a percent) [3],[5] 12.52%    
Investment, Identifier [Axis]: NuStep, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.50% [5] 6.50% [9] 6.50% [9]
Principal $ 3,600 [5] $ 4,400 [9]  
Interest rate (as a percent) 11.98% [5] 10.63% [9] 10.63% [9]
Investment, Identifier [Axis]: NuStep, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Principal $ 18,440 $ 18,440  
Interest rate (as a percent) 12.00% 12.00% 12.00%
Investment, Identifier [Axis]: OMi Topco, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Principal $ 12,750 $ 15,750  
Interest rate (as a percent) 12.00% 12.00% 12.00%
Investment, Identifier [Axis]: OVG Business Services, LLC, Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent) [7],[9]   6.25% 6.25%
Principal [7],[9]   $ 13,930  
Interest rate (as a percent) [7],[9]   10.64% 10.64%
Investment, Identifier [Axis]: Obra Capital, Inc. (f/k/a Vida Capital, Inc.), Inc, Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent) [2] 6.00%    
Principal [2] $ 17,373    
Interest rate (as a percent) [2] 11.47%    
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Preferred Stock      
Schedule of Investments [Line Items]      
Interest rate (as a percent) 7.00% 7.00% 7.00%
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Principal $ 4,415 [10] $ 4,415 [11]  
Interest rate (as a percent) 12.00% [10] 12.00% [11] 12.00% [11]
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 1.1      
Schedule of Investments [Line Items]      
Interest rate (as a percent) 12.00% 12.00% 12.00%
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Principal $ 2,116 [10] $ 2,116 [11]  
Interest rate (as a percent) 12.00% [10] 12.00% [11] 12.00% [11]
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 2.1      
Schedule of Investments [Line Items]      
Interest rate (as a percent) 12.00% 12.00% 12.00%
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 3      
Schedule of Investments [Line Items]      
Principal $ 983 [10] $ 983 [11]  
Interest rate (as a percent) 12.00% [10] 12.00% [11] 12.00% [11]
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 3.1      
Schedule of Investments [Line Items]      
Interest rate (as a percent) 12.00% 12.00% 12.00%
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 4      
Schedule of Investments [Line Items]      
Principal $ 964 [10] $ 964 [11]  
Interest rate (as a percent) 12.00% [10] 12.00% [11] 12.00% [11]
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 4.1      
Schedule of Investments [Line Items]      
Interest rate (as a percent) 12.00% 12.00% 12.00%
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Unsecured Debt      
Schedule of Investments [Line Items]      
Principal $ 305 [10] $ 305 [11]  
Interest rate (as a percent) 10.00% [10] 10.00% [11] 10.00% [11]
Investment, Identifier [Axis]: Oneliance, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 11.00% [4],[5],[14] 11.00% [8],[9] 11.00% [8],[9]
Principal $ 0 [4],[5],[14] $ 0 [8],[9]  
Investment, Identifier [Axis]: Oneliance, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 11.00% [5] 11.00% [9] 11.00% [9]
Principal $ 5,440 [5] $ 5,600 [9]  
Interest rate (as a percent) 16.48% [5] 15.13% [9] 15.13% [9]
Investment, Identifier [Axis]: Orttech Holdings, LLC, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 11.00% [4],[5] 11.00% [8],[9] 11.00% [8],[9]
Principal $ 0 [4],[5] $ 0 [8],[9]  
Investment, Identifier [Axis]: Orttech Holdings, LLC, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 11.00% [5] 11.00% [9] 11.00% [9]
Principal $ 22,040 [5] $ 23,600 [9]  
Interest rate (as a percent) 16.48% [5] 15.13% [9] 15.13% [9]
Investment, Identifier [Axis]: Ospemifene Royalty Sub LLC, Secured Debt      
Schedule of Investments [Line Items]      
Principal $ 4,443 [3],[10] $ 4,489 [7],[11]  
Interest rate (as a percent) [7],[11]   11.50% 11.50%
Investment, Identifier [Axis]: PPL RVs, Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 8.75% [4],[5] 7.00% [8],[9] 7.00% [8],[9]
Principal $ 0 [4],[5] $ 0 [8],[9]  
Investment, Identifier [Axis]: PPL RVs, Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 8.75% [5] 7.00% [9] 7.00% [9]
Principal $ 19,877 [5] $ 21,655 [9]  
Interest rate (as a percent) 14.23% [5] 10.25% [9] 10.25% [9]
Investment, Identifier [Axis]: PTL US Bidco, Inc, Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.25% [3],[5],[22],[23],[50] 7.25% [6],[7],[8],[9],[34],[35] 7.25% [6],[7],[8],[9],[34],[35]
Principal $ 3,022 [3],[5],[22],[23],[50] $ 0 [6],[7],[8],[9],[34],[35]  
Interest rate (as a percent) [3],[5],[22],[23],[50] 12.80%    
Investment, Identifier [Axis]: PTL US Bidco, Inc, Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.25% [3],[5],[22],[23] 7.25% [6],[7],[9],[34],[35] 7.25% [6],[7],[9],[34],[35]
Principal $ 26,478 [3],[5],[22],[23] $ 28,265 [6],[7],[9],[34],[35]  
Interest rate (as a percent) 12.88% [3],[5],[22],[23] 11.80% [6],[7],[9],[34],[35] 11.80% [6],[7],[9],[34],[35]
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 5.75% [3],[4],[5] 5.75% [6],[7],[9] 5.75% [6],[7],[9]
Principal $ 0 [3],[4],[5] $ 541 [6],[7],[9]  
Interest rate (as a percent) [6],[7],[9]   10.26% 10.26%
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 5.75% [3],[5],[51] 5.75% [6],[7],[9],[52] 5.75% [6],[7],[9],[52]
Principal $ 3,204 [3],[5],[51] $ 2,701 [6],[7],[9],[52]  
Interest rate (as a percent) 11.24% [3],[5],[51] 9.96% [6],[7],[9],[52] 9.96% [6],[7],[9],[52]
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt 3      
Schedule of Investments [Line Items]      
Spread (as a percent) 5.75% [3],[5] 5.75% [6],[7],[9] 5.75% [6],[7],[9]
Principal $ 18,597 [3],[5] $ 18,293 [6],[7],[9]  
Interest rate (as a percent) 11.25% [3],[5] 9.81% [6],[7],[9] 9.81% [6],[7],[9]
Investment, Identifier [Axis]: Pearl Meyer Topco LLC, Secured Debt      
Schedule of Investments [Line Items]      
Interest rate (as a percent) 12.00%    
Investment, Identifier [Axis]: Pearl Meyer Topco LLC, Secured Debt 1