Quarterly report pursuant to Section 13 or 15(d)

Consolidated Schedule of Investments (Parenthetical)

v3.22.2.2
Consolidated Schedule of Investments (Parenthetical)
$ in Thousands, $ in Millions
9 Months Ended 12 Months Ended
Sep. 30, 2022
USD ($)
$ / shares
Dec. 31, 2021
USD ($)
$ / shares
Sep. 30, 2022
CAD ($)
Dec. 31, 2021
CAD ($)
Schedule of Investments [Line Items]        
Percentage of loans with variable rate floors 70.00% 67.00% 70.00% 67.00%
Strike price (in usd per share) | $ / shares   $ 0.01    
Minimum        
Schedule of Investments [Line Items]        
Variable rate 0.10%   0.10%  
Maximum        
Schedule of Investments [Line Items]        
Variable rate 0.26%   0.26%  
LIBOR or SOFR | Weighted Average        
Schedule of Investments [Line Items]        
Floor rate 1.06%   1.06%  
LIBOR or SOFR | Minimum        
Schedule of Investments [Line Items]        
Variable rate 0.50%   0.50%  
LIBOR or SOFR | Maximum        
Schedule of Investments [Line Items]        
Variable rate 2.00%   2.00%  
LIBOR        
Schedule of Investments [Line Items]        
Variable rate   6.00%   6.00%
LIBOR | Weighted Average        
Schedule of Investments [Line Items]        
Floor rate   1.06%   1.06%
LIBOR | Minimum        
Schedule of Investments [Line Items]        
Variable rate   0.50%   0.50%
LIBOR | Maximum        
Schedule of Investments [Line Items]        
Variable rate   2.00%   2.00%
Prime Rate        
Schedule of Investments [Line Items]        
Variable rate   5.00%   5.00%
Investment, Identifier [Axis]: Dalton US Inc., Secured Debt One August 16, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3] 8.00%   8.00%  
Principal [1],[2],[3] $ 763      
Investment, Identifier [Axis]: Dalton US Inc., Secured Debt Three August 16, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3] 8.00%   8.00%  
Principal [1],[2],[3] $ 14,389      
Investment, Identifier [Axis]: Dalton US Inc., Secured Debt Two August 16, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3],[4] 8.00%   8.00%  
Principal [1],[2],[3],[4] $ 0      
Investment, Identifier [Axis]: Salient Partners L.P., Secured Debt September 30,2021        
Schedule of Investments [Line Items]        
Variable rate [5],[6]   5.00%   5.00%
Principal [5],[6]   $ 1,250    
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt November 19,2021        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   7.00%   7.00%
Principal [6],[7]   $ 10,278    
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt December 11, 2020        
Schedule of Investments [Line Items]        
Principal [8] $ 11,200      
PIK Rate [8] 18.00%   18.00%  
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt December 11,2020        
Schedule of Investments [Line Items]        
Principal [5]   $ 10,202    
PIK Rate [5]   8.00%   8.00%
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt One September 06, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3],[4] 6.00%   6.00%  
Principal [1],[2],[3],[4] $ 0      
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt Three September 06, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3] 6.00%   6.00%  
Principal [1],[2],[3] $ 17,052      
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt Two September 06, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3],[4] 6.00%   6.00%  
Principal [1],[2],[3],[4] $ 0      
Investment, Identifier [Axis]: ADS Tactical, Inc. Secured Debt March 29, 2021        
Schedule of Investments [Line Items]        
Variable rate [3],[8] 5.75%   5.75%  
Principal [3],[8] $ 21,286      
Investment, Identifier [Axis]: ADS Tactical, Inc., Secured Debt March 29,2021        
Schedule of Investments [Line Items]        
Variable rate [5],[6]   5.75%   5.75%
Principal [5],[6]   $ 22,136    
Investment, Identifier [Axis]: AFG Capital Group, LLC, Secured Debt April 25,2019        
Schedule of Investments [Line Items]        
Principal   144    
Investment, Identifier [Axis]: AMEREQUIP LLC., Secured Debt One August 31, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3],[4] 7.40%   7.40%  
Principal [1],[2],[3],[4] $ 0      
Investment, Identifier [Axis]: AMEREQUIP LLC., Secured Debt Two August 31, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3] 7.40%   7.40%  
Principal [1],[2],[3] $ 37,545      
Investment, Identifier [Axis]: ASC Interests, LLC, Secured Debt August 1,2013        
Schedule of Investments [Line Items]        
Principal   1,650    
Investment, Identifier [Axis]: ASC Interests, LLC, Secured Debt December 31,2019        
Schedule of Investments [Line Items]        
Principal   200    
Investment, Identifier [Axis]: ASC Interests, LLC, Secured Debt One December 31,2019        
Schedule of Investments [Line Items]        
Principal 300      
Investment, Identifier [Axis]: ASC Interests, LLC, Secured Debt Two August 1,2013        
Schedule of Investments [Line Items]        
Principal $ 1,650      
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt One January 18,2022        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3],[4] 6.50%   6.50%  
Principal [1],[2],[3],[4] $ 0      
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt Three January 18,2022        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3] 7.50%   7.50%  
Principal [1],[2],[3] $ 6,660      
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt Two January 18,2022        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3] 5.50%   5.50%  
Principal [1],[2],[3] $ 6,660      
Investment, Identifier [Axis]: ATS Workholding, LLC, Secured Debt November 16,2017        
Schedule of Investments [Line Items]        
Principal [7],[9]   $ 4,794    
Investment, Identifier [Axis]: ATS Workholding, LLC, Secured Debt One November 16,2017        
Schedule of Investments [Line Items]        
Principal [1],[10] 1,859      
Investment, Identifier [Axis]: ATS Workholding, LLC, Secured Debt Two November 16,2017        
Schedule of Investments [Line Items]        
Principal [1],[10] $ 3,015      
Investment, Identifier [Axis]: ATX Networks Corp., Secured Debt September 01, 2021        
Schedule of Investments [Line Items]        
Variable rate [3],[8] 7.50%   7.50%  
Principal [3],[8] $ 6,879      
Investment, Identifier [Axis]: ATX Networks Corp., Secured Debt September 01,2021        
Schedule of Investments [Line Items]        
Variable rate [5],[6]   7.50%   7.50%
Principal [5],[6]   $ 7,667    
Investment, Identifier [Axis]: ATX Networks Corp., Unsecured Debt September 01, 2021        
Schedule of Investments [Line Items]        
Principal [8] $ 3,309      
PIK Rate [8] 10.00%   10.00%  
Investment, Identifier [Axis]: ATX Networks Corp., Unsecured Debt September 01,2021        
Schedule of Investments [Line Items]        
Principal [5]   $ 3,067    
PIK Rate [5]   10.00%   10.00%
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt December 15,2021        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   6.50%   6.50%
Principal [6],[7]   $ 13,320    
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt One December 15, 2021        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 7.00%   7.00%  
Principal [1],[3] $ 720      
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt Two December 15, 2021        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 7.00%   7.00%  
Principal [1],[3] $ 12,148      
Investment, Identifier [Axis]: Acousti Engineering Company of Florida, Secured Debt May 26,2021        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   12.50%   12.50%
Principal [6],[7]   $ 850    
Investment, Identifier [Axis]: Acousti Engineering Company of Florida, Secured Debt November 02,2020        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   8.50%   8.50%
Principal [6],[7]   $ 12,111    
Investment, Identifier [Axis]: Acousti Engineering Company of Florida, Secured Debt One November 02, 2020        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 8.50%   8.50%  
Principal [1],[3] $ 1,678      
Investment, Identifier [Axis]: Acousti Engineering Company of Florida, Secured Debt Two November 02, 2020        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 8.50%   8.50%  
Principal [1],[3] $ 10,027      
Investment, Identifier [Axis]: Acousti Engineering Company of Florida, Secured Debt Two May 26 2021        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 12.50%   12.50%  
Principal [1],[3] $ 817      
Investment, Identifier [Axis]: Acumera, Inc., Secured Debt One June 28, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 9.50%   9.50%  
Principal [1],[3] $ 13,831      
Investment, Identifier [Axis]: Acumera, Inc., Secured Debt Two June 28, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 9.50%   9.50%  
Principal [1],[3] $ 4,368      
Investment, Identifier [Axis]: Adams Publishing Group, LLC, Secured Debt One March 11, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 6.50%   6.50%  
Principal [1],[3] $ 3,547      
Investment, Identifier [Axis]: Adams Publishing Group, LLC, Secured Debt Two March 11, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 7.50%   7.50%  
Principal [1],[3] $ 24,305      
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt November 19,2021        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   6.00%   6.00%
Principal [6],[7]   $ 7,067    
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt One November 19, 2021        
Schedule of Investments [Line Items]        
Variable rate [1],[3],[4] 7.00%   7.00%  
Principal [1],[3],[4] $ 0      
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt Two November 19, 2021        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 7.00%   7.00%  
Principal [1],[3] $ 6,633      
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt December 21,2018        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   8.00%   8.00%
Principal [6],[7]   $ 12,017    
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt Two March 11, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3] 8.75%   8.75%  
Principal [1],[2],[3] $ 15,667      
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt one March 11, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3] 6.75%   6.75%  
Principal [1],[2],[3] $ 15,667      
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt May 19,2016        
Schedule of Investments [Line Items]        
Variable rate [5],[6],[9]   6.50%   6.50%
Principal [5],[6],[9]   $ 14,370    
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt One, May 19, 2016        
Schedule of Investments [Line Items]        
Variable rate [3],[8],[10] 6.50%   6.50%  
Principal [3],[8],[10] $ 14,370      
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt September 17, 2021        
Schedule of Investments [Line Items]        
Variable rate [8],[10] 6.50%   6.50%  
Principal [8],[10] $ 2,980      
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt September 17,2021        
Schedule of Investments [Line Items]        
Variable rate [5],[6],[9],[11]   6.50%   6.50%
Principal [5],[6],[9],[11]   $ 2,980    
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt One August 16,2019        
Schedule of Investments [Line Items]        
Variable rate [3],[4] 10.00%   10.00%  
Principal [3],[4] $ 0      
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt August 16,2019        
Schedule of Investments [Line Items]        
Variable rate [6]   10.00%   10.00%
Principal [6]   $ 4,945    
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt Two August 16, 2019        
Schedule of Investments [Line Items]        
Variable rate [3] 10.00%   10.00%  
Principal [3] $ 4,735      
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt November 09,2021        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   7.00%   7.00%
Principal [6],[7]   $ 32,605    
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt One November 09, 2021        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 7.00%   7.00%  
Principal [1],[3] $ 4,678      
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt Two November 09, 2021        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 7.00%   7.00%  
Principal [1],[3] $ 29,722      
Investment, Identifier [Axis]: Archer Systems, LLC, Secured Debt One August 11, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3] 6.50%   6.50%  
Principal [1],[2],[3] $ 800      
Investment, Identifier [Axis]: Archer Systems, LLC, Secured Debt Two August 11, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3] 6.50%   6.50%  
Principal [1],[2],[3] $ 67,597      
Investment, Identifier [Axis]: Arrow International, Inc, Secured Debt December 21, 2020        
Schedule of Investments [Line Items]        
Variable rate [1],[3],[12] 5.61%   5.61%  
Floor rate 2.00%   2.00%  
Principal [1],[3],[12] $ 36,000      
Investment, Identifier [Axis]: Arrow International, Inc, Secured Debt December 21, 2020 | Prime Rate        
Schedule of Investments [Line Items]        
Variable rate 5.10%   5.10%  
Investment, Identifier [Axis]: Arrow International, Inc, Secured Debt December 21,2020        
Schedule of Investments [Line Items]        
Variable rate [6],[7],[13]   7.93%   7.93%
Floor rate   1.25%   1.25%
Principal [6],[7],[13]   $ 22,500    
Investment, Identifier [Axis]: Arrow International, Inc, Secured Debt December 21,2020 | LIBOR        
Schedule of Investments [Line Items]        
Variable rate   7.25%   7.25%
Investment, Identifier [Axis]: BBB Tank Services, LLC, Preferred Stock (non-voting) December 17, 2018        
Schedule of Investments [Line Items]        
PIK Rate 15.00%   15.00%  
Investment, Identifier [Axis]: BBB Tank Services, LLC, Preferred Stock (non-voting) December 17,2018        
Schedule of Investments [Line Items]        
PIK Rate [14]   15.00%   15.00%
Investment, Identifier [Axis]: BBB Tank Services, LLC, Unsecured Debt April 08,2016        
Schedule of Investments [Line Items]        
Variable rate [6],[11]   11.00%   11.00%
Principal [6],[11]   $ 4,800    
Investment, Identifier [Axis]: BBB Tank Services, LLC, Unsecured Debt One April 08, 2016        
Schedule of Investments [Line Items]        
Variable rate [3],[15] 11.00%   11.00%  
Principal [3],[15] $ 800      
Investment, Identifier [Axis]: BBB Tank Services, LLC, Unsecured Debt Two April 08, 2016        
Schedule of Investments [Line Items]        
Variable rate [3],[15] 11.00%   11.00%  
Principal [3],[15] $ 4,000      
Investment, Identifier [Axis]: Barfly Ventures, LLC, Secured Debt October 15, 2020        
Schedule of Investments [Line Items]        
Principal [1] 711      
Investment, Identifier [Axis]: Barfly Ventures, LLC, Secured Debt October 15,2020        
Schedule of Investments [Line Items]        
Principal [7]   $ 711    
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt One March 7,2022        
Schedule of Investments [Line Items]        
Principal [4] 0      
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt Three March 7,2022        
Schedule of Investments [Line Items]        
Principal $ 11,025      
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units July 06,2018        
Schedule of Investments [Line Items]        
PIK Rate [7],[16]   8.00%   8.00%
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units November 12,2019        
Schedule of Investments [Line Items]        
PIK Rate [7],[14],[16]   16.00%   16.00%
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units One July 06, 2018        
Schedule of Investments [Line Items]        
PIK Rate [1],[17],[18] 8.00%   8.00%  
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units Two November 12, 2019        
Schedule of Investments [Line Items]        
PIK Rate [1],[17],[18] 16.00%   16.00%  
Investment, Identifier [Axis]: Berry Aviation, Inc., Secured Debt July 06, 2018        
Schedule of Investments [Line Items]        
Variable rate [1] 10.50%   10.50%  
Principal [1] $ 194      
PIK Rate [1] 1.50%   1.50%  
Investment, Identifier [Axis]: Berry Aviation, Inc., Secured Debt July 06,2018        
Schedule of Investments [Line Items]        
Principal [7]   $ 4,694    
PIK Rate [7]   1.50%   1.50%
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt One June 30, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3],[4] 6.00%   6.00%  
Principal [1],[2],[3],[4] $ 0      
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt Two June 30, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3] 6.75%   6.75%  
Principal [1],[2],[3] $ 26,965      
PIK Rate [1],[2],[3] 5.75%   5.75%  
Investment, Identifier [Axis]: Binswanger Enterprises, LLC, Secured Debt March 10,2017        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   8.50%   8.50%
Principal [6],[7]   $ 12,194    
Investment, Identifier [Axis]: Bluestem Brands, Inc, Secured Debt August 28, 2020        
Schedule of Investments [Line Items]        
Variable rate [3],[8] 8.50%   8.50%  
Principal [3],[8] $ 6,303      
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt August 28,2020        
Schedule of Investments [Line Items]        
Variable rate [5],[6]   8.50%   8.50%
Principal [5],[6]   $ 5,357    
Investment, Identifier [Axis]: Boccella Precast Products LLC, Secured Debt September 23, 2021        
Schedule of Investments [Line Items]        
Principal $ 320      
Investment, Identifier [Axis]: Boccella Precast Products LLC, Secured Debt September 23,2021        
Schedule of Investments [Line Items]        
Principal   $ 320    
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt December 31,2020        
Schedule of Investments [Line Items]        
Variable rate [6]   9.00%   9.00%
Principal [6]   $ 39,000    
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt One December 31,2020        
Schedule of Investments [Line Items]        
Variable rate [3],[4] 8.00%   8.00%  
Principal [3],[4] $ 0      
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt Two December 31,2020        
Schedule of Investments [Line Items]        
Variable rate [3] 10.00%   10.00%  
Principal [3] $ 99,194      
Investment, Identifier [Axis]: Brainworks Software, LLC, Secured Debt August 12,2014        
Schedule of Investments [Line Items]        
Variable rate [6],[7],[9],[11]   9.25%   9.25%
Principal [6],[7],[9],[11]   $ 7,817    
Investment, Identifier [Axis]: Brainworks Software, LLC, Secured Debt One August 12, 2014        
Schedule of Investments [Line Items]        
Variable rate [1],[3],[10],[15] 9.25%   9.25%  
Principal [1],[3],[10],[15] $ 761      
Investment, Identifier [Axis]: Brainworks Software, LLC, Secured Debt Two August 12, 2014        
Schedule of Investments [Line Items]        
Variable rate [1],[3],[10],[15] 9.25%   9.25%  
Principal [1],[3],[10],[15] $ 7,056      
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Secured Debt January 09,2018        
Schedule of Investments [Line Items]        
Variable rate [6]   10.00%   10.00%
Principal [6]   $ 8,060    
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Secured Debt January 9, 2018        
Schedule of Investments [Line Items]        
Variable rate 10.00%   10.00%  
Principal [3] $ 6,088      
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Secured Debt July 25, 2016        
Schedule of Investments [Line Items]        
Principal [16]   1,000    
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Secured Debt July 25,2016        
Schedule of Investments [Line Items]        
Principal   $ 8,813    
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Secured Debt One July 25, 2016        
Schedule of Investments [Line Items]        
Principal 8,813      
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Secured Debt Two July 25, 2016        
Schedule of Investments [Line Items]        
Principal [18] $ 1,000      
Investment, Identifier [Axis]: Buca C, LLC, Preferred Member Units June 30, 2015        
Schedule of Investments [Line Items]        
PIK Rate 6.00%   6.00%  
Investment, Identifier [Axis]: Buca C, LLC, Preferred Member Units June 30,2015        
Schedule of Investments [Line Items]        
PIK Rate   6.00%   6.00%
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt June 30, 2015        
Schedule of Investments [Line Items]        
Principal $ 17,525      
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt June 30,2015        
Schedule of Investments [Line Items]        
Variable rate [6],[11]   9.25%   9.25%
Principal [6],[11]   $ 19,491    
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt June 14,2021        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   5.00%   5.00%
Principal [6],[7]   $ 465    
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt One June 14, 2021        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 5.00%   5.00%  
Principal [1],[3] $ 620      
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt One June 14,2021        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   5.00%   5.00%
Principal [6],[7]   $ 20,134    
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt Two June 14, 2021        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 5.00%   5.00%  
Principal [1],[3] $ 19,933      
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt November 14, 2017        
Schedule of Investments [Line Items]        
Variable rate [1],[3],[19] 8.50%   8.50%  
Principal [1],[3],[19] $ 28,385      
PIK Rate [1],[3],[19] 0.13%   0.13%  
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt November 14, 2017        
Schedule of Investments [Line Items]        
Floor rate 1.00%   1.00%  
PIK Rate 2.00%   2.00%  
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt November 14, 2017 | LIBOR        
Schedule of Investments [Line Items]        
Variable rate 6.50%   6.50%  
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt November 14,2017        
Schedule of Investments [Line Items]        
Principal [7],[20]   $ 28,540    
PIK Rate [7],[20]   0.22%   0.22%
Investment, Identifier [Axis]: California Splendor Holdings LLC, Preferred Member Units July 31,2019        
Schedule of Investments [Line Items]        
PIK Rate [14]   15.00%   15.00%
Investment, Identifier [Axis]: California Splendor Holdings LLC, Preferred Member Units Two March 30,2018        
Schedule of Investments [Line Items]        
PIK Rate [17] 15.00%   15.00%  
Investment, Identifier [Axis]: California Splendor Holdings LLC, Secured Debt March 30,2018        
Schedule of Investments [Line Items]        
Variable rate 10.00% [3] 10.00% [6] 10.00% [3] 10.00% [6]
Principal $ 28,000 [3] $ 28,000 [6]    
Investment, Identifier [Axis]: Camin Cargo Control, Inc., Secured Debt June 14, 2021        
Schedule of Investments [Line Items]        
Variable rate [3],[8] 6.50%   6.50%  
Principal [3],[8] $ 15,258      
Investment, Identifier [Axis]: Camin Cargo Control, Inc., Secured Debt June 14,2021        
Schedule of Investments [Line Items]        
Variable rate [5],[6]   6.50%   6.50%
Principal [5],[6]   $ 15,920    
Investment, Identifier [Axis]: Career Team Holdings, LLC, Secured Debt December 17,2021        
Schedule of Investments [Line Items]        
Principal   $ 20,250    
Investment, Identifier [Axis]: Career Team Holdings, LLC, Secured Debt One December 17, 2021        
Schedule of Investments [Line Items]        
Variable rate [3],[4] 6.00%   6.00%  
Principal [3],[4] $ 0      
Investment, Identifier [Axis]: Career Team Holdings, LLC, Secured Debt Two December 17, 2021        
Schedule of Investments [Line Items]        
Principal $ 20,250      
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt One May 18, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[3],[4] 5.25%   5.25%  
Principal [1],[3],[4] $ 0      
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt Three May 18, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 5.25%   5.25%  
Principal [1],[3] $ 6,133      
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt Two May 18, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[3],[4] 5.25%   5.25%  
Principal [1],[3],[4] $ 0      
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt January 04,2019        
Schedule of Investments [Line Items]        
Variable rate [6]   10.00%   10.00%
Principal [6]   $ 9,416    
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt One January 4, 2019        
Schedule of Investments [Line Items]        
Variable rate [3],[4] 9.00%   9.00%  
Principal [3],[4] $ 0      
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt Two January 4, 2019        
Schedule of Investments [Line Items]        
Variable rate [3] 9.00%   9.00%  
Principal [3] $ 15,030      
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt February 26,2018        
Schedule of Investments [Line Items]        
Variable rate [6]   8.00%   8.00%
Principal [6]   $ 17,817    
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt One February 26, 2018        
Schedule of Investments [Line Items]        
Variable rate [3],[4] 6.00%   6.00%  
Principal [3],[4] $ 0      
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt Two February 26, 2018        
Schedule of Investments [Line Items]        
Variable rate [3] 8.00%   8.00%  
Principal [3] $ 17,466      
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt One February 07, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3] 6.25%   6.25%  
Principal [1],[2],[3] $ 5,183      
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt Two February 07, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3],[21] 6.25%   6.25%  
Floor rate 1.00%   1.00%  
Principal [1],[2],[3],[21] $ 39,155      
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt Two February 07, 2022 | SOFR        
Schedule of Investments [Line Items]        
Variable rate 6.25%   6.25%  
Investment, Identifier [Axis]: Charps, LLC, Preferred Unsecured Debt August 26, 2020        
Schedule of Investments [Line Items]        
Principal $ 5,694      
Investment, Identifier [Axis]: Charps, LLC, Unsecured Debt February 26,2018        
Schedule of Investments [Line Items]        
Principal   $ 5,694    
Investment, Identifier [Axis]: Chisholm Energy Holdings, LLC, Secured Debt May 15,2019        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   6.25%   6.25%
Principal [6],[7]   $ 2,857    
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt One December 20, 2016        
Schedule of Investments [Line Items]        
Variable rate [3] 9.50%   9.50%  
Principal [3] $ 10,480      
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt One December 20,2016        
Schedule of Investments [Line Items]        
Variable rate [6]   9.50%   9.50%
Principal [6]   $ 10,480    
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt Two December 20, 2016        
Schedule of Investments [Line Items]        
Principal 1,057      
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt Two December 20,2016        
Schedule of Investments [Line Items]        
Principal   1,081    
Investment, Identifier [Axis]: Clarius BIGS, LLC , Secured Debt September 23,2014        
Schedule of Investments [Line Items]        
Principal [1],[10],[15] $ 2,729      
PIK Rate [1],[10],[15] 15.00%   15.00%  
Investment, Identifier [Axis]: Clarius BIGS, LLC, Secured Debt September 23,2014        
Schedule of Investments [Line Items]        
Principal [7],[9],[11]   $ 2,756    
PIK Rate [7],[9],[11]   15.00%   15.00%
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt One March 12, 2020        
Schedule of Investments [Line Items]        
Variable rate [3] 6.00%   6.00%  
Principal [3] $ 7,760      
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt One March 12,2020        
Schedule of Investments [Line Items]        
Variable rate [6]   6.00%   6.00%
Principal [6]   $ 4,000    
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt Two March 12, 2020        
Schedule of Investments [Line Items]        
Principal $ 19,274      
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt Two March 12,2020        
Schedule of Investments [Line Items]        
Principal   $ 19,274    
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt March 06,2020        
Schedule of Investments [Line Items]        
Variable rate [6]   10.50%   10.50%
Principal [6]   $ 42,497    
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt One March 06, 2020        
Schedule of Investments [Line Items]        
Variable rate [3],[4] 10.50%   10.50%  
Principal [3],[4] $ 0      
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt Two March 06, 2020        
Schedule of Investments [Line Items]        
Variable rate [3] 10.50%   10.50%  
Principal [3] $ 41,225      
Investment, Identifier [Axis]: Colonial Electric Company LLC, Secured Debt March 31,2021        
Schedule of Investments [Line Items]        
Principal   $ 24,570    
Investment, Identifier [Axis]: Colonial Electric Company LLC, Secured Debt One March 31, 2021        
Schedule of Investments [Line Items]        
Principal [4] 0      
Investment, Identifier [Axis]: Colonial Electric Company LLC, Secured Debt Two March 31, 2021        
Schedule of Investments [Line Items]        
Principal $ 23,625      
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Secured Debt January 29,2019        
Schedule of Investments [Line Items]        
Variable rate [6]   9.00%   9.00%
Principal [6]   $ 6,477    
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Secured Debt Two January 29, 2019        
Schedule of Investments [Line Items]        
Variable rate [3] 9.00%   9.00%  
Principal [3] $ 5,350      
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt August 06,2021        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   7.50%   7.50%
Principal [6],[7]   $ 21,681    
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt One August 06, 2021        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 7.50%   7.50%  
Principal [1],[3] $ 5,000      
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt Two August 06, 2021        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 7.50%   7.50%  
Principal [1],[3] $ 18,656      
Investment, Identifier [Axis]: DMA Industries, LLC, Secured Debt November 19, 2021        
Schedule of Investments [Line Items]        
Principal $ 21,200      
Investment, Identifier [Axis]: DMA Industries, LLC, Secured Debt November 30,2015        
Schedule of Investments [Line Items]        
Principal   $ 21,200    
Investment, Identifier [Axis]: DTE Enterprises LLC Class A Class AA Preferred Member Units (non-voting) April 13, 2018        
Schedule of Investments [Line Items]        
PIK Rate [1],[17] 10.00%   10.00%  
Investment, Identifier [Axis]: DTE Enterprises LLC Class A Preferred Member Units April 13, 2018        
Schedule of Investments [Line Items]        
PIK Rate [1] 8.00%   8.00%  
Investment, Identifier [Axis]: DTE Enterprises LLC Secured Debt One April 13, 2018        
Schedule of Investments [Line Items]        
Variable rate [1],[3],[4] 7.50%   7.50%  
Principal [1],[3],[4] $ 0      
Investment, Identifier [Axis]: DTE Enterprises LLC Secured Debt Two April 13, 2018        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 7.50%   7.50%  
Principal [1],[3] $ 7,824      
Investment, Identifier [Axis]: DTE Enterprises, LLC, Class A Preferred Member Units April 13,2018        
Schedule of Investments [Line Items]        
PIK Rate [7]   8.00%   8.00%
Investment, Identifier [Axis]: DTE Enterprises, LLC, Class AA Preferred Member Units (non-voting) April 13,2018        
Schedule of Investments [Line Items]        
PIK Rate [6],[7]   10.00%   10.00%
Investment, Identifier [Axis]: DTE Enterprises, LLC, Secured Debt April 13,2018        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   8.00%   8.00%
Principal [6],[7]   $ 9,324    
Investment, Identifier [Axis]: Darr Equipment LP, Secured Debt December 26,2017        
Schedule of Investments [Line Items]        
Principal [7]   $ 4,685    
PIK Rate [7]   1.00%   1.00%
Investment, Identifier [Axis]: Darr Equipment LP, Warrants April 15,2014        
Schedule of Investments [Line Items]        
Strike price (in usd per share) | $ / shares   $ 1.50    
Investment, Identifier [Axis]: Datacom, LLC, Secured Debt March 31,2021        
Schedule of Investments [Line Items]        
Principal   $ 8,892    
Investment, Identifier [Axis]: Datacom, LLC, Secured Debt One March 1, 2022        
Schedule of Investments [Line Items]        
Principal 223      
Investment, Identifier [Axis]: Datacom, LLC, Secured Debt Two March 31, 2021        
Schedule of Investments [Line Items]        
Principal $ 8,690      
Investment, Identifier [Axis]: Digital Products Holdings LLC, Secured Debt April 01, 2018        
Schedule of Investments [Line Items]        
Variable rate [3] 10.00%   10.00%  
Principal [3] $ 15,863      
Investment, Identifier [Axis]: Digital Products Holdings LLC, Secured Debt January 29,2019        
Schedule of Investments [Line Items]        
Variable rate [6]   10.00%   10.00%
Principal [6]   $ 16,853    
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt February 13,2018        
Schedule of Investments [Line Items]        
Variable rate [6]   11.00%   11.00%
Principal [6]   $ 24,070    
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt One February 13, 2018        
Schedule of Investments [Line Items]        
Variable rate [3] 11.00%   11.00%  
Principal [3] $ 3,400      
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt Two February 13, 2018        
Schedule of Investments [Line Items]        
Variable rate [3] 11.00%   11.00%  
Principal [3] $ 23,050      
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt July 17,2018        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   8.50%   8.50%
Principal [6],[7]   $ 5,681    
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt One July 17, 2018        
Schedule of Investments [Line Items]        
Variable rate [1],[3],[4] 8.50%   8.50%  
Principal [1],[3],[4] $ 0      
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt Three September 28, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 9.50%   9.50%  
Principal [1],[3] $ 2,805      
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt Two September 28, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 7.50%   7.50%  
Principal [1],[3] $ 2,805      
Investment, Identifier [Axis]: EPIC Y-Grade Services, LP, Secured Debt June 22, 2018        
Schedule of Investments [Line Items]        
Variable rate [3],[8] 6.00%   6.00%  
Principal [3],[8] $ 6,840      
Investment, Identifier [Axis]: EPIC Y-Grade Services, LP, Secured Debt June 22,2018        
Schedule of Investments [Line Items]        
Variable rate [5],[6]   6.00%   6.00%
Principal [5],[6]   $ 6,892    
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt November 19,2020        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   7.00%   7.00%
Principal [6],[7]   $ 31,810    
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt One November 19, 2020        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 7.00%   7.00%  
Principal [1],[3] $ 4,461      
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt Three November 19, 2020        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 7.00%   7.00%  
Principal [1],[3] $ 23,606      
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt Two November 19, 2020        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 7.00%   7.00%  
Principal [1],[3] $ 5,053      
Investment, Identifier [Axis]: Emerald Technologies Acquisition Co, Inc., Secured Debt February 10, 2022        
Schedule of Investments [Line Items]        
Variable rate [2],[3],[8] 6.25%   6.25%  
Principal [2],[3],[8] $ 9,258      
Investment, Identifier [Axis]: Engineering Research & Consulting, LLC, Secured Debt One May 23, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3] 6.25%   6.25%  
Principal [1],[2],[3] $ 120      
Investment, Identifier [Axis]: Engineering Research & Consulting, LLC, Secured Debt Two May 23, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3] 6.25%   6.25%  
Principal [1],[2],[3] $ 16,338      
Investment, Identifier [Axis]: Event Holdco, LLC, Secured Debt December 22,2021        
Schedule of Investments [Line Items]        
Variable rate [6],[7],[16]   7.00%   7.00%
Principal [6],[7],[16]   $ 51,692    
Investment, Identifier [Axis]: Event Holdco, LLC, Secured Debt One December 22, 2021        
Schedule of Investments [Line Items]        
Variable rate [1],[3],[18] 7.00%   7.00%  
Principal [1],[3],[18] $ 3,692      
Investment, Identifier [Axis]: Event Holdco, LLC, Secured Debt Two December 22, 2021        
Schedule of Investments [Line Items]        
Variable rate [1],[3],[18] 7.00%   7.00%  
Principal [1],[3],[18] $ 44,308      
Investment, Identifier [Axis]: Flame King Holdings, LLC, Secured Debt One October 29, 2021        
Schedule of Investments [Line Items]        
Variable rate [3] 6.50%   6.50%  
Principal [3] $ 7,600      
Investment, Identifier [Axis]: Flame King Holdings, LLC, Secured Debt One October 29,2021        
Schedule of Investments [Line Items]        
Variable rate [6]   6.50%   6.50%
Principal [6]   $ 6,400    
Investment, Identifier [Axis]: Flame King Holdings, LLC, Secured Debt Two October 29, 2021        
Schedule of Investments [Line Items]        
Variable rate [3] 11.00%   11.00%  
Principal [3] $ 21,200      
Investment, Identifier [Axis]: Flame King Holdings, LLC, Secured Debt Two October 29,2021        
Schedule of Investments [Line Items]        
Variable rate [6]   11.00%   11.00%
Principal [6]   $ 21,200    
Investment, Identifier [Axis]: Flip Electronics LLC, Secured Debt January 04,2021        
Schedule of Investments [Line Items]        
Variable rate [6],[7],[22]   8.09%   8.09%
Principal [6],[7],[22]   $ 5,400    
Investment, Identifier [Axis]: Flip Electronics LLC, Secured Debt January 04,2021 | LIBOR        
Schedule of Investments [Line Items]        
Variable rate   7.96%   7.96%
Floor rate   1.00%   1.00%
Investment, Identifier [Axis]: Flip Electronics LLC, Secured Debt One March 24, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3] 7.50%   7.50%  
Principal [1],[2],[3] $ 491      
Investment, Identifier [Axis]: Flip Electronics LLC, Secured Debt Two January 04, 2021        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3] 7.50%   7.50%  
Principal [1],[2],[3] $ 6,185      
Investment, Identifier [Axis]: Fortna Acquisition Co., Inc., Secured Debt July 23,2019        
Schedule of Investments [Line Items]        
Variable rate [7]   5.00%   5.00%
Principal [7]   $ 7,595    
Investment, Identifier [Axis]: Fuse, LLC, Secured Debt June 30, 2019        
Schedule of Investments [Line Items]        
Principal [8] 1,810      
Investment, Identifier [Axis]: Fuse, LLC, Secured Debt June 30,2019        
Schedule of Investments [Line Items]        
Principal [5]   1,810    
Investment, Identifier [Axis]: GFG Group, LLC., Secured Debt March 31, 2021        
Schedule of Investments [Line Items]        
Principal $ 11,745      
Investment, Identifier [Axis]: GFG Group, LLC., Secured Debt March 31,2021        
Schedule of Investments [Line Items]        
Principal   $ 12,545    
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Secured Debt December 19, 2014        
Schedule of Investments [Line Items]        
Variable rate 8.00%   8.00%  
Principal $ 40,493      
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Secured Debt December 19,2014        
Schedule of Investments [Line Items]        
Variable rate   8.00%   8.00%
Principal   $ 38,885    
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC, Secured Debt October 18,2019        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   5.75%   5.75%
Principal [6],[7]   $ 13,243    
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC, Secured Debt One October 18, 2019        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 6.50%   6.50%  
Principal [1],[3] $ 2,273      
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC, Secured Debt Two October 18, 2019        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 6.50%   6.50%  
Principal [1],[3] $ 10,858      
Investment, Identifier [Axis]: GS Operating, LLC, Secured Debt February 24,2020        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   6.50%   6.50%
Principal [6],[7]   $ 28,451    
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC, Secured Debt One September 30, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3],[4] 6.00%   6.00%  
Principal [1],[2],[3],[4] $ 0      
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC, Secured Debt Three September 30, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3] 6.00%   6.00%  
Principal [1],[2],[3] $ 3,661      
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC, Secured Debt Two September 30, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3],[4] 6.00%   6.00%  
Principal [1],[2],[3],[4] $ 0      
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt June 24,2016        
Schedule of Investments [Line Items]        
Variable rate [6]   7.50%   7.50%
Principal [6]   $ 21,598    
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt One June 24, 2016        
Schedule of Investments [Line Items]        
Variable rate [3],[4] 8.00%   8.00%  
Principal [3],[4] $ 0      
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt Two June 24, 2016        
Schedule of Investments [Line Items]        
Variable rate [3] 8.00%   8.00%  
Principal [3] $ 24,078      
Investment, Identifier [Axis]: Garreco, LLC, Secured Debt July 15, 2013        
Schedule of Investments [Line Items]        
Variable rate [3],[23] 8.00%   8.00%  
Principal [3],[23] $ 3,826      
Interest rate 1.50%   1.50%  
Investment, Identifier [Axis]: Garreco, LLC, Secured Debt July 15,2013        
Schedule of Investments [Line Items]        
Variable rate [6],[24]   8.00%   8.00%
Principal [6],[24]   $ 4,196    
Interest rate   1.50%   1.50%
Investment, Identifier [Axis]: GeoStabilization International (GSI), Secured Debt January 02, 2019        
Schedule of Investments [Line Items]        
Variable rate [8] 5.25%   5.25%  
Principal [8] $ 20,550      
Investment, Identifier [Axis]: GeoStabilization International (GSI), Secured Debt January 02,2019        
Schedule of Investments [Line Items]        
Variable rate [5]   5.25%   5.25%
Principal [5]   $ 20,710    
Investment, Identifier [Axis]: GoWireless Holdings, Inc., Secured Debt January 10,2018        
Schedule of Investments [Line Items]        
Variable rate [5],[6]   6.50%   6.50%
Principal [5],[6]   $ 18,534    
Investment, Identifier [Axis]: Grupo Hima San Pablo, Inc., Secured Debt March 07,2013        
Schedule of Investments [Line Items]        
Variable rate [5],[6],[9],[11]   7.00%   7.00%
Principal [5],[6],[9],[11]   $ 4,504    
Investment, Identifier [Axis]: Grupo Hima San Pablo, Inc., Secured Debt One March 07,2013        
Schedule of Investments [Line Items]        
Principal [5],[9],[11]   2,055    
Investment, Identifier [Axis]: Grupo Hima San Pablo, Inc., Secured Debt Two March 07,2013        
Schedule of Investments [Line Items]        
Principal [5],[11]   147    
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt April 29, 2016        
Schedule of Investments [Line Items]        
Principal [11]   $ 13,565    
PIK Rate [11]   6.25%   6.25%
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt One September 29, 2017        
Schedule of Investments [Line Items]        
Variable rate [3],[4] 9.50%   9.50%  
Principal [3],[4] $ 0      
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt September 29,2017        
Schedule of Investments [Line Items]        
Variable rate [6],[11]   9.50%   9.50%
Principal [6],[11]   $ 257    
PIK Rate [6],[11]   5.25%   5.25%
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt Two July 01, 2022        
Schedule of Investments [Line Items]        
Principal $ 2,400      
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Secured Debt December 21,2018        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   7.50%   7.50%
Principal [6],[7]   $ 3,449    
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Secured Debt One December 21, 2018        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3] 9.50%   9.50%  
Principal [1],[2],[3] $ 320      
PIK Rate [1],[2],[3] 5.75%   5.75%  
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Secured Debt Two December 21, 2018        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3] 9.50%   9.50%  
Principal [1],[2],[3] $ 3,117      
PIK Rate [1],[2],[3] 5.75%   5.75%  
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt One August 01, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3],[4] 6.50%   6.50%  
Principal [1],[2],[3],[4] $ 0      
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt Three August 01, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3] 6.50%   6.50%  
Principal [1],[2],[3] $ 16,875      
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt Two August 01, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3],[4] 6.50%   6.50%  
Principal [1],[2],[3],[4] $ 0      
Investment, Identifier [Axis]: HOWLCO LLC, Secured Debt August 11, 2021        
Schedule of Investments [Line Items]        
Variable rate [3],[8],[25],[26] 6.00%   6.00%  
Principal [3],[8],[25],[26] $ 25,354      
Investment, Identifier [Axis]: HOWLCO LLC, Secured Debt August 19,2021        
Schedule of Investments [Line Items]        
Variable rate [5],[6],[27],[28]   6.00%   6.00%
Principal [5],[6],[27],[28]   $ 25,546    
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Secured Debt One December 02,2016        
Schedule of Investments [Line Items]        
Variable rate [6],[27]   6.00%   6.00%
Principal [6],[27]   $ 2,585    
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Secured Debt Two December 02,2016        
Schedule of Investments [Line Items]        
Principal [27]   $ 34,800    
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Secured Debt One December 02, 2016        
Schedule of Investments [Line Items]        
Variable rate [3] 6.00%   6.00%  
Principal [3] $ 3,185      
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Secured Debt Two December 02, 2016        
Schedule of Investments [Line Items]        
Principal $ 37,800      
Investment, Identifier [Axis]: Heartland Dental, LLC, Secured Debt September 09, 2020,        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 6.50%   6.50%  
Principal [1],[3] $ 14,663      
Investment, Identifier [Axis]: Heartland Dental, LLC, Secured Debt September 09,2020        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   6.50%   6.50%
Principal [6],[7]   $ 14,813    
Investment, Identifier [Axis]: Houston Plating and Coatings, LLC, Unsecured Convertible Debt May 01, 2017        
Schedule of Investments [Line Items]        
Principal $ 3,000      
Investment, Identifier [Axis]: Houston Plating and Coatings, LLC, Unsecured Convertible Debt May 01,2017        
Schedule of Investments [Line Items]        
Principal   $ 3,000    
Investment, Identifier [Axis]: Hybrid Promotions, LLC, Secured Debt June 30, 2021        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 8.25%   8.25%  
Principal [1],[3] $ 7,088      
Investment, Identifier [Axis]: Hybrid Promotions, LLC, Secured Debt June 30,2021        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   8.25%   8.25%
Principal [6],[7]   $ 7,088    
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt July 30,2021        
Schedule of Investments [Line Items]        
Variable rate [5],[6]   5.75%   5.75%
Principal [5],[6]   $ 9,591    
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt One July 30, 2021        
Schedule of Investments [Line Items]        
Variable rate [2],[3],[8] 5.75%   5.75%  
Principal [2],[3],[8] $ 443      
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt Two July 30, 2021        
Schedule of Investments [Line Items]        
Variable rate [2],[3],[8] 5.75%   5.75%  
Principal [2],[3],[8] $ 14,536      
Investment, Identifier [Axis]: INW Manufacturing, LLC, Secured Debt May 19, 2021        
Schedule of Investments [Line Items]        
Variable rate [3],[8] 5.75%   5.75%  
Principal [3],[8] $ 7,125      
Investment, Identifier [Axis]: INW Manufacturing, LLC, Secured Debt May 19,2021        
Schedule of Investments [Line Items]        
Variable rate [5],[6]   5.75%   5.75%
Principal [5],[6]   $ 7,406    
Investment, Identifier [Axis]: Implus Footcare, LLC, Secured Debt June 01, 2017        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 7.75%   7.75%  
Principal [1],[3] $ 18,609      
PIK Rate [1],[3] 0.25%   0.25%  
Investment, Identifier [Axis]: Implus Footcare, LLC, Secured Debt June 01,2017        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   7.75%   7.75%
Principal [6],[7]   $ 18,702    
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Preferred Stock (non-voting) One December 10, 2020        
Schedule of Investments [Line Items]        
PIK Rate [1],[10] 6.00%   6.00%  
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Preferred Stock (non-voting) One December 10,2020        
Schedule of Investments [Line Items]        
PIK Rate [7]   6.00%   6.00%
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Secured Debt August 20,2020        
Schedule of Investments [Line Items]        
Principal [7],[29]   $ 6,563    
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Secured Debt December 10,2020        
Schedule of Investments [Line Items]        
Principal [7]   $ 17,891    
PIK Rate [7]   6.00%   6.00%
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Secured Debt One August 20, 2020        
Schedule of Investments [Line Items]        
Principal [1],[30] $ 6,831      
PIK Rate [1],[30] 11.26%   11.26%  
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Secured Debt One August 20, 2020 | LIBOR        
Schedule of Investments [Line Items]        
Variable rate 6.50%   6.50%  
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Secured Debt One August 20, 2020 | Prime Rate        
Schedule of Investments [Line Items]        
Variable rate 5.50%   5.50%  
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Secured Debt Two December 10, 2020        
Schedule of Investments [Line Items]        
Principal [1],[10] $ 18,428      
PIK Rate [1],[10] 6.00%   6.00%  
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Warrants One November 20, 2018        
Schedule of Investments [Line Items]        
Strike price (in usd per share) | $ / shares $ 1.00      
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Preferred Member Units January 31,2018        
Schedule of Investments [Line Items]        
PIK Rate [7],[14],[16]   10.00%   10.00%
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Preferred Member Units May 17,2019        
Schedule of Investments [Line Items]        
PIK Rate [7],[14],[16]   20.00%   20.00%
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Preferred Member Units One January 31, 2021        
Schedule of Investments [Line Items]        
PIK Rate [1],[17],[18] 10.00%   10.00%  
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Preferred Member Units Two May 17, 2019        
Schedule of Investments [Line Items]        
PIK Rate [1],[17],[18] 20.00%   20.00%  
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Secured Debt August 13,2021        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   6.75%   6.75%
Principal [6],[7]   $ 19,897    
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Secured Debt One August 13, 2021        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 6.75%   6.75%  
Principal [1],[3] $ 463      
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Secured Debt Two August 13, 2021        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 6.75%   6.75%  
Principal [1],[3] $ 19,288      
Investment, Identifier [Axis]: Infolinks Media Buyco, LLC, Secured Debt November 01,2021        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   6.00%   6.00%
Principal [6],[7]   $ 8,680    
Investment, Identifier [Axis]: Infolinks Media Buyco, LLC, Secured Debt One November 01, 2021        
Schedule of Investments [Line Items]        
Variable rate [1],[3],[4] 5.75%   5.75%  
Principal [1],[3],[4] $ 0      
Investment, Identifier [Axis]: Infolinks Media Buyco, LLC, Secured Debt Two November 01, 2021        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 5.75%   5.75%  
Principal [1],[3] $ 8,637      
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Secured Debt One December 09,2021        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 10.00%   10.00%  
Principal [1],[3] $ 1,398      
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Secured Debt Two August 07,2019        
Schedule of Investments [Line Items]        
Variable rate [1],[3],[10] 7.00%   7.00%  
Principal [1],[3],[10] $ 7,313      
PIK Rate [1],[3],[10] 1.00%   1.00%  
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Secured Debt August 07,2019        
Schedule of Investments [Line Items]        
Variable rate [6],[7],[9]   7.00%   7.00%
Principal [6],[7],[9]   $ 7,313    
PIK Rate [6],[7],[9]   1.00%   1.00%
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Secured Debt December 09,2021        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   10.00%   10.00%
Principal [6],[7]   $ 525    
Investment, Identifier [Axis]: Intermedia Holdings, Inc., Secured Debt August 03, 2018        
Schedule of Investments [Line Items]        
Variable rate [3],[8] 6.00%   6.00%  
Principal [3],[8] $ 20,467      
Investment, Identifier [Axis]: Intermedia Holdings, Inc., Secured Debt August 03,2018        
Schedule of Investments [Line Items]        
Variable rate [5],[6]   6.00%   6.00%
Principal [5],[6]   $ 20,627    
Investment, Identifier [Axis]: Invincible Boat Company, LLC., Secured Debt August 28,2019        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   6.50%   6.50%
Principal [6],[7]   $ 17,510    
Investment, Identifier [Axis]: Invincible Boat Company, LLC., Secured Debt One August 28, 2019        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 6.50%   6.50%  
Principal [1],[3] $ 726      
Investment, Identifier [Axis]: Invincible Boat Company, LLC., Secured Debt Two August 28, 2019        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 6.50%   6.50%  
Principal [1],[3] $ 16,889      
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt September 01,2021        
Schedule of Investments [Line Items]        
Principal   3,200    
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt Four November 15, 2021        
Schedule of Investments [Line Items]        
Principal 20,000      
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt One August 02, 2021        
Schedule of Investments [Line Items]        
Principal 4,600      
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt One August 03,2021        
Schedule of Investments [Line Items]        
Principal   4,600    
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt Three August 03,2021        
Schedule of Investments [Line Items]        
Principal   $ 8,944    
PIK Rate   12.50%   12.50%
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt Three November 15, 2021        
Schedule of Investments [Line Items]        
Principal 8,944      
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt Two August 03,2021        
Schedule of Investments [Line Items]        
Principal   $ 20,000    
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt Two September 01, 2021        
Schedule of Investments [Line Items]        
Principal $ 3,200      
Investment, Identifier [Axis]: Isagenix International, LLC, Secured Debt June 21, 2018        
Schedule of Investments [Line Items]        
Variable rate [3],[8] 7.75%   7.75%  
Principal [3],[8] $ 4,951      
PIK Rate [3],[8] 9.93%   9.93%  
Investment, Identifier [Axis]: Isagenix International, LLC, Secured Debt June 21,2018        
Schedule of Investments [Line Items]        
Variable rate [5],[6]   5.75%   5.75%
Principal [5],[6]   $ 5,158    
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt December 22,2021        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   6.00%   6.00%
Principal [6],[7]   $ 37,895    
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt One December 22, 2021        
Schedule of Investments [Line Items]        
Variable rate [1],[3],[4] 6.00%   6.00%  
Principal [1],[3],[4] $ 0      
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt Two December 22, 2021        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 6.00%   6.00%  
Principal [1],[3] $ 37,421      
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt May 26,2015        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   7.00%   7.00%
Principal [6],[7]   $ 2,100    
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt November 08, 2021        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 6.50%   6.50%  
Principal [1],[3] $ 2,084      
Investment, Identifier [Axis]: Jensen Jewelers of Idaho, LLC, Secured Debt November 14, 2006        
Schedule of Investments [Line Items]        
Variable rate [3] 6.75%   6.75%  
Principal [3] $ 2,450      
Investment, Identifier [Axis]: Jensen Jewelers of Idaho, LLC, Secured Debt November 14,2006        
Schedule of Investments [Line Items]        
Variable rate [6]   6.75%   6.75%
Principal [6]   $ 2,550    
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt August 21,2019        
Schedule of Investments [Line Items]        
Variable rate [5],[6]   6.00%   6.00%
Principal [5],[6]   $ 4,034    
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt November 15,2021        
Schedule of Investments [Line Items]        
Principal [5]   $ 1,000    
PIK Rate [5]   15.00%   15.00%
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt One November 15, 2021        
Schedule of Investments [Line Items]        
Variable rate [8] 15.00%   15.00%  
Principal [8] $ 1,833      
PIK Rate [8] 15.00%   15.00%  
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt Two August 21, 2019        
Schedule of Investments [Line Items]        
Principal [8],[10] $ 4,034      
PIK Rate [8],[10] 19.75%   19.75%  
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Secured Debt December 10,2021        
Schedule of Investments [Line Items]        
Variable rate [6]   11.50%   11.50%
Principal [6]   $ 11,475    
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Secured Debt One December 10, 2021        
Schedule of Investments [Line Items]        
Variable rate [3],[4] 11.50%   11.50%  
Principal [6] $ 0      
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Secured Debt Two December 10, 2021        
Schedule of Investments [Line Items]        
Variable rate [3] 11.50%   11.50%  
Principal [3] $ 9,999      
Investment, Identifier [Axis]: JorVet Holdings, LLC, Secured Debt March 28, 2022        
Schedule of Investments [Line Items]        
Principal $ 25,650      
Investment, Identifier [Axis]: KMS, LLC, Secured Debt October 04,2021        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   7.25%   7.25%
Principal [6],[7]   $ 7,581    
Investment, Identifier [Axis]: KMS, LLC, Secured Debt One October 04, 2021        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 7.25%   7.25%  
Principal [1],[3] $ 1,075      
Investment, Identifier [Axis]: KMS, LLC, Secured Debt Two October 04, 2021        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 7.25%   7.25%  
Principal [1],[3] $ 7,524      
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Secured Debt One October 31, 2018        
Schedule of Investments [Line Items]        
Principal 20,415      
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Secured Debt One October 31,2018        
Schedule of Investments [Line Items]        
Principal   20,415    
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Secured Debt Two October 31, 2018        
Schedule of Investments [Line Items]        
Principal $ 3,888      
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Secured Debt Two October 31,2018        
Schedule of Investments [Line Items]        
Principal   $ 3,915    
Investment, Identifier [Axis]: Klein Hersh, LLC, Secured Debt November 13,2020        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   7.00%   7.00%
Principal [6],[7]   $ 43,321    
Investment, Identifier [Axis]: Kore Wireless Group Inc., Secured Debt December 11, 2022        
Schedule of Investments [Line Items]        
Variable rate [8],[25] 5.50%   5.50%  
Principal [8],[25] $ 11,326      
Investment, Identifier [Axis]: Kore Wireless Group Inc., Secured Debt December 31,2018        
Schedule of Investments [Line Items]        
Variable rate [5],[27]   5.50%   5.50%
Principal [5],[27]   $ 11,415    
Investment, Identifier [Axis]: L.F. Manufacturing Holdings, LLC, Preferred Member Units (non-voting) January 01,2019        
Schedule of Investments [Line Items]        
PIK Rate [7],[14]   14.00%   14.00%
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt May 02,2019        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   7.25%   7.25%
Principal [6],[7]   $ 17,438    
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt One May 02, 2019        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3] 7.25%   7.25%  
Principal [1],[2],[3] $ 8,126      
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt Three May 12, 2019        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3] 7.25%   7.25%  
Principal [1],[2],[3] $ 10,855      
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt Two May 02, 2019        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3] 7.25%   7.25%  
Principal [1],[2],[3] $ 9,220      
Investment, Identifier [Axis]: LLFlex, LLC, Secured Debt August 16, 2021        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 9.00%   9.00%  
Principal [1],[3] $ 4,455      
Investment, Identifier [Axis]: LLFlex, LLC, Secured Debt August 16,2021        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   9.00%   9.00%
Principal [6],[7]   $ 4,478    
Investment, Identifier [Axis]: LaserAway Intermediate Holdings II, LLC, Secured Debt October 18,2021        
Schedule of Investments [Line Items]        
Variable rate [5],[6]   5.75%   5.75%
Principal [5],[6]   $ 4,130    
Investment, Identifier [Axis]: Lightbox Holdings, L.P., Secured Debt May 09, 2019        
Schedule of Investments [Line Items]        
Variable rate [8] 5.00%   5.00%  
Principal [8] $ 14,513      
Investment, Identifier [Axis]: Lightbox Holdings, L.P., Secured Debt May 23, 2019        
Schedule of Investments [Line Items]        
Variable rate [5]   5.00%   5.00%
Principal [5]   $ 14,625    
Investment, Identifier [Axis]: Logix Acquisition Company, LLC, Secured Debt January 08, 2018        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 5.75%   5.75%  
Principal [1],[3] $ 19,662      
Investment, Identifier [Axis]: Logix Acquisition Company, LLC, Secured Debt January 08,2018        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   5.75%   5.75%
Principal [6],[7]   $ 25,850    
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt January 28,2021        
Schedule of Investments [Line Items]        
Variable rate [5],[6]   6.00%   6.00%
Principal [5],[6]   $ 11,682    
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt One January 28,2021        
Schedule of Investments [Line Items]        
Variable rate [2],[3],[8],[31] 6.00%   6.00%  
Floor rate 1.00%   1.00%  
Principal [2],[3],[8],[31] $ 6,816      
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt One January 28,2021 | SOFR        
Schedule of Investments [Line Items]        
Variable rate 6.00%   6.00%  
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt Two January 28,2021        
Schedule of Investments [Line Items]        
Variable rate [2],[3],[8] 6.00%   6.00%  
Principal [2],[3],[8] $ 7,896      
Investment, Identifier [Axis]: MH Corbin Holding LLC, Secured Debt August 31,2015        
Schedule of Investments [Line Items]        
Principal   8,250    
Investment, Identifier [Axis]: MH Corbin Holding LLC, Secured Debt August 31, 2015        
Schedule of Investments [Line Items]        
Principal 6,236      
Investment, Identifier [Axis]: MS Private Loan Fund I, LP Secured Debt January 26, 2021        
Schedule of Investments [Line Items]        
Principal [4],[25],[32] $ 0      
Investment, Identifier [Axis]: MS Private Loan Fund I, LP, Unsecured Debt February 11,2021        
Schedule of Investments [Line Items]        
Principal [27],[33]   $ 63,151    
Investment, Identifier [Axis]: Mac Lean-Fogg Company, Preferred Stock October 01, 2019        
Schedule of Investments [Line Items]        
PIK Rate [1] 9.25%   9.25%  
Investment, Identifier [Axis]: Mac Lean-Fogg Company, Preferred Stock October 01,2019        
Schedule of Investments [Line Items]        
PIK Rate [7]   9.25%   9.25%
Investment, Identifier [Axis]: Mac Lean-Fogg Company, Secured Debt April 22,2019        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   5.25%   5.25%
Principal [6],[7]   $ 17,080    
Investment, Identifier [Axis]: Mac Lean-Fogg Company, Secured Debt One April 22, 2019        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 4.75%   4.75%  
Principal [1],[3] $ 1,786      
Investment, Identifier [Axis]: Mac Lean-Fogg Company, Secured Debt Two April 22, 2019        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 4.75%   4.75%  
Principal [1],[3] $ 15,163      
Investment, Identifier [Axis]: Mako Steel, LP, Secured Debt March 15,2021        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   7.25%   7.25%
Principal [6],[7]   $ 17,589    
Investment, Identifier [Axis]: Mako Steel, LP, Secured Debt One March 15, 2021        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 7.25%   7.25%  
Principal [1],[3] $ 1,643      
Investment, Identifier [Axis]: Mako Steel, LP, Secured Debt Two March 15, 2021        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 7.25%   7.25%  
Principal [1],[3] $ 15,324      
Investment, Identifier [Axis]: Market Force Information, LLC, Secured Debt One July 28, 2017        
Schedule of Investments [Line Items]        
Variable rate [3] 11.00%   11.00%  
Principal [3] $ 5,000      
Investment, Identifier [Axis]: Market Force Information, LLC, Secured Debt One July 28,2017        
Schedule of Investments [Line Items]        
Variable rate [6]   11.00%   11.00%
Principal [6]   $ 3,400    
Investment, Identifier [Axis]: Market Force Information, LLC, Secured Debt Two July 28, 2017        
Schedule of Investments [Line Items]        
Principal [10] $ 26,079      
PIK Rate [10] 12.00%   12.00%  
Investment, Identifier [Axis]: Market Force Information, LLC, Secured Debt Two July 28,2017        
Schedule of Investments [Line Items]        
Principal [11]   $ 26,079    
PIK Rate [11]   12.00%   12.00%
Investment, Identifier [Axis]: Microbe Formulas, LLC, Secured Debt One April 04, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3],[4] 6.25%   6.25%  
Principal [1],[2],[3],[4] $ 0      
Investment, Identifier [Axis]: Microbe Formulas, LLC, Secured Debt Two April 04, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[2],[3] 6.25%   6.25%  
Principal [1],[2],[3] $ 27,625      
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC, Secured Debt October 24, 2018        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 6.25%   6.25%  
Principal [1],[3] $ 18,769      
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC, Secured Debt October 24,2018        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   6.25%   6.25%
Principal [6],[7]   $ 17,781    
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt One May 24, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[3],[4],[25],[26] 7.00%   7.00%  
Principal [1],[3],[4],[25],[26] $ 0      
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt Three May 24, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[3],[25],[26] 7.00%   7.00%  
Principal [1],[3],[25],[26] $ 17,038      
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt Two May 24, 2022        
Schedule of Investments [Line Items]        
Variable rate [1],[3],[25],[26] 7.00%   7.00%  
Principal [1],[3],[25],[26] $ 10,107      
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Secured Debt August 18,2014        
Schedule of Investments [Line Items]        
Principal   $ 6,378    
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Secured Debt One August 18, 2014        
Schedule of Investments [Line Items]        
Principal [4] 0      
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Secured Debt Two August 18, 2014        
Schedule of Investments [Line Items]        
Principal $ 5,746      
Investment, Identifier [Axis]: NBG Acquisition Inc, Secured Debt April 28, 2017        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 5.50%   5.50%  
Principal [1],[3] $ 3,876      
Investment, Identifier [Axis]: NBG Acquisition Inc, Secured Debt April 28,2017        
Schedule of Investments [Line Items]        
Variable rate [5],[6]   5.50%   5.50%
Principal [5],[6]   $ 3,987    
Investment, Identifier [Axis]: NNE Partners, LLC, Secured Debt March 02, 2017        
Schedule of Investments [Line Items]        
Variable rate [1] 9.25%   9.25%  
Principal [1] $ 24,781      
Investment, Identifier [Axis]: NNE Partners, LLC, Secured Debt March 02,2017        
Schedule of Investments [Line Items]        
Variable rate [7]   4.75%   4.75%
Principal [7]   $ 24,781    
PIK Rate [7]   4.50%   4.50%
Investment, Identifier [Axis]: NRP Jones, LLC, Secured Debt December 21, 2017        
Schedule of Investments [Line Items]        
Principal $ 2,080      
Investment, Identifier [Axis]: NRP Jones, LLC, Secured Debt December 21,2017        
Schedule of Investments [Line Items]        
Principal   $ 2,080    
Investment, Identifier [Axis]: NTM Acquisition Corp., Secured Debt July 12, 2016        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 6.25%   6.25%  
Principal [1],[3] $ 4,490      
PIK Rate [1],[3] 1.00%   1.00%  
Investment, Identifier [Axis]: NTM Acquisition Corp., Secured Debt July 12,2016        
Schedule of Investments [Line Items]        
Variable rate [5],[6]   6.25%   6.25%
Principal [5],[6]   $ 4,598    
PIK Rate [5],[6]   1.00%   1.00%
Investment, Identifier [Axis]: NWN Corporation, Secured Debt May 07,2021        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   6.50%   6.50%
Principal [6],[7]   $ 42,972    
Investment, Identifier [Axis]: NWN Corporation, Secured Debt One May 07, 2021        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 6.50%   6.50%  
Principal [1],[3] $ 3,941      
Investment, Identifier [Axis]: NWN Corporation, Secured Debt Two May 07, 2021        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 6.50%   6.50%  
Principal [1],[3] $ 40,615      
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt One December 31,2020        
Schedule of Investments [Line Items]        
Principal   10,500    
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt Three December 31, 2020        
Schedule of Investments [Line Items]        
Principal 10,500      
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt Two December 31, 2020        
Schedule of Investments [Line Items]        
Principal 18,281      
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt Two December 31,2020        
Schedule of Investments [Line Items]        
Principal   4,868    
Investment, Identifier [Axis]: NexRev LLC, Secured Debt February 28,2018        
Schedule of Investments [Line Items]        
Principal   $ 16,217    
Investment, Identifier [Axis]: NexRev LLC, Secured Debt One February 28, 2018        
Schedule of Investments [Line Items]        
Principal 160      
Investment, Identifier [Axis]: NexRev LLC, Secured Debt Two February 28, 2018        
Schedule of Investments [Line Items]        
Principal $ 12,265      
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt December 18,2019        
Schedule of Investments [Line Items]        
Variable rate [6],[7]   6.25%   6.25%
Principal [6],[7]   $ 31,425    
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt One December 18, 2019        
Schedule of Investments [Line Items]        
Variable rate [1],[3],[4] 6.75%   6.75%  
Principal [1],[3],[4] $ 0      
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt Three December 18, 2019        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 6.75%   6.75%  
Principal [1],[3] $ 21,666      
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt Two December 18, 2019        
Schedule of Investments [Line Items]        
Variable rate [1],[3],[4] 6.75%   6.75%  
Principal [1],[3],[4] $ 0      
Investment, Identifier [Axis]: Northstar Group Services, Inc, Secured Debt November 01, 2021        
Schedule of Investments [Line Items]        
Variable rate [1],[3] 5.50%   5.50%  
Principal [1],[3] $ 9,742      
Investment, Identifier [Axis]: Northstar Group Services, Inc, Secured Debt November 01,2021        
Schedule of Investments [Line Items]        
Variable rate [5],[6]   5.50%   5.50%
Principal [5],[6]   $ 10,000    
Investment, Identifier [Axis]: NuStep, LLC, Secured Debt One January 31, 2017        
Schedule of Investments [Line Items]        
Variable rate [3] 6.50%   6.50%  
Principal [3] $ 4,400      
Investment, Identifier [Axis]: NuStep, LLC, Secured Debt One January 31,2017        
Schedule of Investments [Line Items]        
Variable rate [6]   6.50%   6.50%
Principal [6]   $ 1,720    
Investment, Identifier [Axis]: NuStep, LLC, Secured Debt Two January 31, 2017        
Schedule of Investments [Line Items]        
Principal 18,440      
Investment, Identifier [Axis]: NuStep, LLC, Secured Debt Two January 31,2017