XML 61 R38.htm IDEA: XBRL DOCUMENT v3.25.2
Summary of Significant Accounting Policies - Narrative (Details)
3 Months Ended 6 Months Ended 113 Months Ended
Jul. 01, 2024
USD ($)
$ / shares
shares
Mar. 30, 2020
USD ($)
$ / shares
shares
Jun. 30, 2025
USD ($)
agreement
shares
Jun. 30, 2024
USD ($)
shares
Jun. 30, 2025
USD ($)
agreement
shares
Jun. 30, 2024
USD ($)
shares
Jun. 30, 2025
USD ($)
agreement
Dec. 31, 2024
USD ($)
agreement
Feb. 04, 2016
USD ($)
Securities Financing Transaction [Line Items]                  
Number of collateralized agreements | agreement     1   1   1 1  
Securities purchased under collateralized agreements to resell, cost     $ 30,000,000   $ 30,000,000   $ 30,000,000 $ 30,000,000  
Securities purchased under agreements to resell     13,500,000   13,500,000   13,500,000 13,500,000  
Cash equivalents     0   0   $ 0 0  
PIK interest income     6,888,000 $ 9,031,000 14,476,000 $ 18,685,000      
Non-cash dividend income     $ 6,642,000 $ 7,741,000 $ 14,830,000 $ 15,165,000      
Investments threshold period past due for nonaccrual status     30 days   30 days   30 days    
Deferred tax liability     $ 1,453,000   $ 1,453,000   $ 1,453,000 $ 1,410,000  
Dividend reinvestment plan, share price percentage, threshold     110.00%   110.00%   110.00%    
Shares repurchased under repurchase program (in shares) | shares     925,216 0 925,216 0      
Common stock repurchased     $ 9,642,000   $ 9,642,000   $ 12,590,000    
Investment, Identifier [Axis]: AAH Topco, LLC, First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.68% [1],[2],[3],[4]   9.68% [1],[2],[3],[4]   9.68% [1],[2],[3],[4] 9.71% [5],[6],[7],[8]  
Investment, Identifier [Axis]: AAH Topco, LLC, First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.68% [2],[3],[9],[10]   9.68% [2],[3],[9],[10]   9.68% [2],[3],[9],[10] 9.71% [6],[7],[11],[12]  
Investment, Identifier [Axis]: AAH Topco, LLC, First lien 3                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.68% [2],[3],[13]   9.68% [2],[3],[13]   9.68% [2],[3],[13] 9.71% [6],[7],[14]  
Investment, Identifier [Axis]: AAH Topco, LLC, First lien 4                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.68% [2],[3],[13]   9.68% [2],[3],[13]   9.68% [2],[3],[13] 9.71% [6],[7],[14]  
Investment, Identifier [Axis]: AAH Topco, LLC, Subordinated 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     11.50% [2],[3],[9],[10]   11.50% [2],[3],[9],[10]   11.50% [2],[3],[9],[10] 11.50% [6],[7],[11],[12]  
Investment, Identifier [Axis]: AAH Topco, LLC, Subordinated 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     11.50% [2],[3],[13]   11.50% [2],[3],[13]   11.50% [2],[3],[13] 11.50% [6],[7],[14]  
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[12],[15]               9.96%  
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[10],[16]     9.93%   9.93%   9.93%    
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.43% [1],[2],[3],[4]   10.43% [1],[2],[3],[4]   10.43% [1],[2],[3],[4] 10.46% [5],[6],[7],[8]  
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.43% [2],[3],[9],[10]   10.43% [2],[3],[9],[10]   10.43% [2],[3],[9],[10] 10.46% [6],[7],[11],[12]  
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien 3                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.43% [2],[3],[9],[10]   10.43% [2],[3],[9],[10]   10.43% [2],[3],[9],[10] 10.46% [6],[7],[11],[12]  
Investment, Identifier [Axis]: ACI Parent Inc., Preferred shares                  
Securities Financing Transaction [Line Items]                  
Interest rate     11.75% [2],[3],[10],[17]   11.75% [2],[3],[10],[17]   11.75% [2],[3],[10],[17] 11.75% [6],[7],[12],[18]  
Investment, Identifier [Axis]: AI Altius US Bidco, Inc., First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     8.99% [2],[3],[9],[10]   8.99% [2],[3],[9],[10]   8.99% [2],[3],[9],[10] 9.03% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Adelaide Borrower, LLC, First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.55% [2],[3],[10],[19]   10.55% [2],[3],[10],[19]   10.55% [2],[3],[10],[19] 10.58% [6],[7],[11],[12],[20]  
Investment, Identifier [Axis]: Alegeus Technologies Holdings Corp. First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[9],[10]     11.03%   11.03%   11.03%    
Investment, Identifier [Axis]: Alegeus Technologies Holdings Corp., First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[11],[12]               11.30%  
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.97% [2],[3],[9],[10]   9.97% [2],[3],[9],[10]   9.97% [2],[3],[9],[10] 9.75% [5],[6],[7],[8]  
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.97% [1],[2],[3],[4]   9.97% [1],[2],[3],[4]   9.97% [1],[2],[3],[4] 9.75% [5],[6],[7],[8]  
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien 3                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.97% [2],[3],[9],[10]   9.97% [2],[3],[9],[10]   9.97% [2],[3],[9],[10] 9.75% [6],[7],[11],[12]  
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     11.67% [2],[3],[4]   11.67% [2],[3],[4]   11.67% [2],[3],[4] 11.90% [6],[7],[8]  
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     19.42% [2],[3],[10]   19.42% [2],[3],[10]   19.42% [2],[3],[10] 19.65% [6],[7],[12]  
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), Subordinated                  
Securities Financing Transaction [Line Items]                  
Interest rate     5.45% [2],[3],[10]   5.45% [2],[3],[10]   5.45% [2],[3],[10] 5.74% [6],[7],[12]  
Investment, Identifier [Axis]: Anaplan, Inc., First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     8.82% [2],[3],[9],[10]   8.82% [2],[3],[9],[10]   8.82% [2],[3],[9],[10] 9.58% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Associations, Inc., First Lien Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[10],[16]     11.02%   11.02%   11.02%    
Investment, Identifier [Axis]: Associations, Inc., First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[11],[12]               11.32%  
Investment, Identifier [Axis]: Associations, Inc., First lien - Drawn 2                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[12],[15]               11.32%  
Investment, Identifier [Axis]: Associations, Inc., First lien - Drawn 1                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[12],[15]               11.28%  
Investment, Identifier [Axis]: Associations, Inc., First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[9],[10]     11.02%   11.02%   11.02%    
Investment, Identifier [Axis]: Associations, Inc., First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[10],[16]     11.08%   11.08%   11.08%    
Investment, Identifier [Axis]: Associations, Inc., Subordinated 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     14.25% [2],[3],[10]   14.25% [2],[3],[10]   14.25% [2],[3],[10] 14.25% [6],[7],[12]  
Investment, Identifier [Axis]: Associations, Inc., Subordinated 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     14.25% [2],[3],[10]   14.25% [2],[3],[10]   14.25% [2],[3],[10] 14.25% [6],[7],[12]  
Investment, Identifier [Axis]: Aston FinCo S.a r.l. / Aston US Finco, LLC, Second lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[9],[10],[19]     12.69%   12.69%   12.69%    
Investment, Identifier [Axis]: Aston FinCo S.a r.l. / Aston US Finco, LLC, Second lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[11],[12],[20]               12.72%  
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd, First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.32% [1],[2],[3],[4]   9.32% [1],[2],[3],[4]   9.32% [1],[2],[3],[4] 9.63% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd, First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.27% [2],[3],[9],[10]   9.27% [2],[3],[9],[10]   9.27% [2],[3],[9],[10] 9.63% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd, First lien 3                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[9],[10]     9.27%   9.27%   9.27%    
Investment, Identifier [Axis]: Auctane Inc. (fka Stamps.com Inc.), First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[9],[10]     10.14%   10.14%   10.14%    
Investment, Identifier [Axis]: Auctane Inc. (fka Stamps.com Inc.), First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[11],[12]               10.94%  
Investment, Identifier [Axis]: Auctane Inc. (fka Stamps.com Inc.), First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate [5],[6],[7],[8]               10.94%  
Investment, Identifier [Axis]: Avalara, Inc., First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[11],[12]               10.58%  
Investment, Identifier [Axis]: Bach Special Limited (Bach Preference Limited), Preferred shares                  
Securities Financing Transaction [Line Items]                  
Interest rate [7],[11],[12],[20]               11.75%  
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP, First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[11],[12]               9.11%  
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP, First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[9],[10]     9.08%   9.08%   9.08%    
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP, First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate [1],[2],[3],[4]     8.83%   8.83%   8.83%    
Investment, Identifier [Axis]: Bamboo Health Holdings, LLC (f/k/a Appriss Health, LLC), First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.22% [2],[3],[9],[10]   9.22% [2],[3],[9],[10]   9.22% [2],[3],[9],[10] 12.08% [6],[7],[11],[12],[21]  
Investment, Identifier [Axis]: Bamboo Health Intermediate Holdings (fka Appriss Health Intermediate Holdings, Inc.), Preferred shares                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[12],[21]               11.00%  
Investment, Identifier [Axis]: Beacon Pointe Harmony, LLC, First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.08% [2],[3],[10],[16]   9.08% [2],[3],[10],[16]   9.08% [2],[3],[10],[16] 9.18% [6],[7],[12],[15]  
Investment, Identifier [Axis]: Bonterra LLC, First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[9],[10]     9.30%   9.30%   9.30%    
Investment, Identifier [Axis]: Bonterra LLC, First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[10],[16]     9.30%   9.30%   9.30%    
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien - Drawn 1                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[15],[22]               9.36%  
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien - Drawn 2                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[12],[15]               9.36%  
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.33% [2],[3],[23]   9.33% [2],[3],[23]   9.33% [2],[3],[23] 9.36% [6],[7],[22]  
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.33% [1],[2],[3],[4]   9.33% [1],[2],[3],[4]   9.33% [1],[2],[3],[4] 9.36% [5],[6],[7],[8]  
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien 3                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[23]     9.33%   9.33%   9.33%    
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien 4                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[10]     9.33%   9.33%   9.33%    
Investment, Identifier [Axis]: Bullhorn, Inc., First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[12],[15]               9.36%  
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.33% [1],[2],[3],[4]   9.33% [1],[2],[3],[4]   9.33% [1],[2],[3],[4] 9.36% [5],[6],[7],[8]  
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.33% [2],[3],[9],[10]   9.33% [2],[3],[9],[10]   9.33% [2],[3],[9],[10] 9.36% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 3                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.33% [1],[2],[3],[4]   9.33% [1],[2],[3],[4]   9.33% [1],[2],[3],[4] 9.36% [5],[6],[7],[8]  
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 4                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.33% [1],[2],[3],[4]   9.33% [1],[2],[3],[4]   9.33% [1],[2],[3],[4] 9.36% [5],[6],[7],[8]  
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 5                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.33% [1],[2],[3],[4]   9.33% [1],[2],[3],[4]   9.33% [1],[2],[3],[4] 9.36% [5],[6],[7],[8]  
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 6                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.33% [1],[2],[3],[4]   9.33% [1],[2],[3],[4]   9.33% [1],[2],[3],[4] 9.36% [5],[6],[7],[8]  
Investment, Identifier [Axis]: CB Buyer, Inc., First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [5],[6],[7],[8]               9.61%  
Investment, Identifier [Axis]: CFS Management, LLC, First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     13.06% [2],[3],[9],[10]   13.06% [2],[3],[9],[10]   13.06% [2],[3],[9],[10] 13.09% [5],[6],[7],[8]  
Investment, Identifier [Axis]: CFS Management, LLC, First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     13.06% [1],[2],[3],[4]   13.06% [1],[2],[3],[4]   13.06% [1],[2],[3],[4] 13.09% [5],[6],[7],[8]  
Investment, Identifier [Axis]: CG Group Holdings, LLC, First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     13.05% [1],[2],[3],[4]   13.05% [1],[2],[3],[4]   13.05% [1],[2],[3],[4] 13.08% [5],[6],[7],[8]  
Investment, Identifier [Axis]: CG Group Holdings, LLC, First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate     13.08% [2],[3],[9],[10],[16]   13.08% [2],[3],[9],[10],[16]   13.08% [2],[3],[9],[10],[16] 13.11% [6],[7],[11],[12],[15]  
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc., First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.33% [1],[2],[3],[4]   9.33% [1],[2],[3],[4]   9.33% [1],[2],[3],[4] 9.36% [5],[6],[7],[8]  
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc., First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[11],[12],[15]               9.36%  
Investment, Identifier [Axis]: Calabrio, Inc., First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.83% [2],[3],[10],[16]   9.83% [2],[3],[10],[16]   9.83% [2],[3],[10],[16] 10.02% [6],[7],[12],[15]  
Investment, Identifier [Axis]: Calabrio, Inc., First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.83% [2],[3],[23]   9.83% [2],[3],[23]   9.83% [2],[3],[23] 10.01% [6],[7],[22]  
Investment, Identifier [Axis]: Calabrio, Inc., First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.83% [2],[3],[23]   9.83% [2],[3],[23]   9.83% [2],[3],[23] 10.01% [6],[7],[22]  
Investment, Identifier [Axis]: Cardinal Parent, Inc., First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     8.95% [3],[13]   8.95% [3],[13]   8.95% [3],[13] 8.98% [7],[14]  
Investment, Identifier [Axis]: Cardinal Parent, Inc., Second lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     12.19% [2],[3],[13]   12.19% [2],[3],[13]   12.19% [2],[3],[13] 12.24% [6],[7],[14]  
Investment, Identifier [Axis]: CentralSquare Technologies, LLC, First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.32% [1],[2],[3],[4]   10.32% [1],[2],[3],[4]   10.32% [1],[2],[3],[4] 10.63% [5],[6],[7],[8]  
Investment, Identifier [Axis]: Ciklum Inc. First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[10],[16]     10.91%   10.91%   10.91%    
Investment, Identifier [Axis]: Ciklum Inc., First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.88% [1],[2],[3],[4]   10.88% [1],[2],[3],[4]   10.88% [1],[2],[3],[4] 11.17% [5],[6],[7],[8],[20]  
Investment, Identifier [Axis]: Cleanova US Holdings, LLC, First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [1],[2],[3],[4],[19]     9.07%   9.07%   9.07%    
Investment, Identifier [Axis]: CommerceHub, Inc., First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.51% [3],[9],[10]   10.51% [3],[9],[10]   10.51% [3],[9],[10] 10.90% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Compsych Investments Corp., First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.02% [1],[2],[3],[4]   9.02% [1],[2],[3],[4]   9.02% [1],[2],[3],[4] 9.38% [5],[6],[7],[8]  
Investment, Identifier [Axis]: Convey Health Solutions, Inc., First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.65% [2],[3],[9],[10]   9.65% [2],[3],[9],[10]   9.65% [2],[3],[9],[10] 9.68% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Convey Health Solutions, Inc., First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.57% [2],[3],[9],[10]   9.57% [2],[3],[9],[10]   9.57% [2],[3],[9],[10] 9.68% [6],[7],[11],[12]  
Investment, Identifier [Axis]: CoreTrust Purchasing Group LLC, First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.58% [2],[3],[9],[10]   9.58% [2],[3],[9],[10]   9.58% [2],[3],[9],[10] 9.61% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Coupa Holdings, LLC, First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.53% [2],[3],[9],[10]   9.53% [2],[3],[9],[10]   9.53% [2],[3],[9],[10] 9.84% [6],[7],[11],[12]  
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.70% [1],[2],[3],[4]   10.70% [1],[2],[3],[4]   10.70% [1],[2],[3],[4] 10.73% [5],[6],[7],[8]  
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.80% [2],[3],[9],[10]   10.80% [2],[3],[9],[10]   10.80% [2],[3],[9],[10] 10.83% [6],[7],[11],[12]  
Investment, Identifier [Axis]: DG Investment Intermediate Holdings 2, Inc., Second lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     11.19% [3],[9],[10]   11.19% [3],[9],[10]   11.19% [3],[9],[10] 11.22% [7],[11],[12]  
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[10],[16]     10.13%   10.13%   10.13%    
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.17% [2],[3],[9],[10]   10.17% [2],[3],[9],[10]   10.17% [2],[3],[9],[10] 10.40% [6],[7],[11],[12]  
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.17% [2],[3],[13]   10.17% [2],[3],[13]   10.17% [2],[3],[13] 10.40% [6],[7],[14]  
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien 3                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[9],[10]     10.18%   10.18%   10.18%    
Investment, Identifier [Axis]: DT1 Midco Corp, First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [1],[3],[4]     9.32%   9.32%   9.32%    
Investment, Identifier [Axis]: DT1 Midco Corp, First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[10],[16]     9.32%   9.32%   9.32%    
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.08% [2],[3],[9],[10]   9.08% [2],[3],[9],[10]   9.08% [2],[3],[9],[10] 9.36% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.08% [1],[2],[3],[4]   9.08% [1],[2],[3],[4]   9.08% [1],[2],[3],[4] 9.36% [5],[6],[7],[8]  
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien 3                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.08% [2],[3],[10]   9.08% [2],[3],[10]   9.08% [2],[3],[10] 9.36% [6],[7],[12]  
Investment, Identifier [Axis]: Dealer Tire Holdings, LLC, Preferred shares                  
Securities Financing Transaction [Line Items]                  
Interest rate     7.00% [2],[3],[9],[10],[24]   7.00% [2],[3],[9],[10],[24]   7.00% [2],[3],[9],[10],[24] 7.00% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[11],[12],[15]               10.20%  
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[9],[10],[16]     10.15%   10.15%   10.15%    
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.15% [1],[2],[3],[4]   10.15% [1],[2],[3],[4]   10.15% [1],[2],[3],[4] 10.18% [5],[6],[7],[8]  
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.15% [2],[3],[9],[10]   10.15% [2],[3],[9],[10]   10.15% [2],[3],[9],[10] 10.18% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Diligent Corporation, First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[10],[16]     9.33%   9.33%   9.33%    
Investment, Identifier [Axis]: Diligent Corporation, First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.33% [1],[2],[3],[4]   9.33% [1],[2],[3],[4]   9.33% [1],[2],[3],[4] 10.09% [5],[6],[7],[8]  
Investment, Identifier [Axis]: Diligent Corporation, First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.33% [2],[3],[9],[10]   9.33% [2],[3],[9],[10]   9.33% [2],[3],[9],[10] 10.09% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Diligent Preferred Issuer, Inc., Preferred shares                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.50% [2],[3],[10],[25]   10.50% [2],[3],[10],[25]   10.50% [2],[3],[10],[25] 10.50% [6],[7],[12],[26]  
Investment, Identifier [Axis]: Eagle Infrastructure Services, LLC (fka FR Arsenal Holdings II Corp.), First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     11.95% [1],[2],[3],[4]   11.95% [1],[2],[3],[4]   11.95% [1],[2],[3],[4] 11.98% [5],[6],[7],[8]  
Investment, Identifier [Axis]: Eagle Infrastructure Services, LLC (fka FR Arsenal Holdings II Corp.), First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     11.95% [2],[3],[10]   11.95% [2],[3],[10]   11.95% [2],[3],[10] 11.98% [6],[7],[12]  
Investment, Identifier [Axis]: Eclipse Buyer Inc., First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.06% [2],[3],[13],[27]   9.06% [2],[3],[13],[27]   9.06% [2],[3],[13],[27] 9.26% [6],[7],[14],[28]  
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.), Preferred shares 1                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[12]               15.00%  
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.), Preferred shares 2                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[12]               11.50%  
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.), Series A preferred shares                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[10]     15.00%   15.00%   15.00%    
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.), Series B preferred shares                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[10]     11.50%   11.50%   11.50%    
Investment, Identifier [Axis]: Eclipse Topco, Inc., Preferred shares                  
Securities Financing Transaction [Line Items]                  
Interest rate     12.50% [2],[3],[13],[27]   12.50% [2],[3],[13],[27]   12.50% [2],[3],[13],[27] 12.50% [6],[7],[14],[28]  
Investment, Identifier [Axis]: Edmentum Ultimate Holdings, LLC Subordinated                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[10],[29]     18.20%   18.20%   18.20%    
Investment, Identifier [Axis]: Edmentum Ultimate Holdings, LLC, Subordinated                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[12]               17.58%  
Investment, Identifier [Axis]: Einstein Parent, Inc., First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[9],[10]     10.77%   10.77%   10.77%    
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.45% [2],[3],[23]   9.45% [2],[3],[23]   9.45% [2],[3],[23] 10.23% [6],[7],[22]  
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.45% [2],[3],[9],[10]   9.45% [2],[3],[9],[10]   9.45% [2],[3],[9],[10] 10.48% [6],[7],[11],[12]  
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien 3                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.45% [2],[3],[23]   9.45% [2],[3],[23]   9.45% [2],[3],[23] 10.23% [6],[7],[22]  
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien 4                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.45% [2],[3],[23]   9.45% [2],[3],[23]   9.45% [2],[3],[23] 10.23% [6],[7],[22]  
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc., First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[9],[10]     9.28%   9.28%   9.28%    
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc., First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[10],[16]     8.81%   8.81%   8.81%    
Investment, Identifier [Axis]: Flash Charm Inc. (fka Idera, Inc.), Second lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate [3],[13]     11.18%   11.18%   11.18%    
Investment, Identifier [Axis]: Flash Charm Inc. (fka Idera, Inc.), Second lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate [3],[9],[10]     11.18%   11.18%   11.18%    
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien - Drawn 1                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[10],[16]     9.72%   9.72%   9.72%    
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien - Drawn 2                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[10],[16]     9.64%   9.64%   9.64%    
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.73% [1],[2],[3],[4]   9.73% [1],[2],[3],[4]   9.73% [1],[2],[3],[4] 9.71% [5],[6],[7],[8]  
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.73% [2],[3],[9],[10]   9.73% [2],[3],[9],[10]   9.73% [2],[3],[9],[10] 9.71% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[9],[10],[16]     9.90%   9.90%   9.90%    
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Drawn 1                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[12],[15]               10.30%  
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Drawn 2                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[12],[15]               9.90%  
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.90% [1],[2],[3],[4]   9.90% [1],[2],[3],[4]   9.90% [1],[2],[3],[4] 9.93% [5],[6],[7],[8]  
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.90% [2],[3],[9],[10]   9.90% [2],[3],[9],[10]   9.90% [2],[3],[9],[10] 9.93% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien 3                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.91% [2],[3],[9],[10]   9.91% [2],[3],[9],[10]   9.91% [2],[3],[9],[10] 9.93% [6],[7],[12]  
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien 4                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[10]     9.90%   9.90%   9.90%    
Investment, Identifier [Axis]: Foundational Education Group, Inc., First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [3],[4]     8.29%   8.29%   8.29%    
Investment, Identifier [Axis]: Foundational Education Group, Inc., Second lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     11.04% [2],[3],[23]   11.04% [2],[3],[23]   11.04% [2],[3],[23] 11.35% [6],[7],[22]  
Investment, Identifier [Axis]: Foundational Education Group, Inc., Second lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate [5],[6],[7],[8]               11.35%  
Investment, Identifier [Axis]: Foundational Education Group, Inc., Second lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[9],[10]     11.04%   11.04%   11.04%    
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.18% [1],[2],[3],[4]   9.18% [1],[2],[3],[4]   9.18% [1],[2],[3],[4] 9.21% [5],[6],[7],[8]  
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.18% [2],[3],[23]   9.18% [2],[3],[23]   9.18% [2],[3],[23] 9.21% [6],[7],[22]  
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[12],[15]               9.58%  
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien - Drawn 1                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[10],[16]     9.55%   9.55%   9.55%    
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien - Drawn 2                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[10],[16]     9.55%   9.55%   9.55%    
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.55% [1],[2],[3],[4]   9.55% [1],[2],[3],[4]   9.55% [1],[2],[3],[4] 9.58% [5],[6],[7],[8]  
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.55% [2],[3],[23]   9.55% [2],[3],[23]   9.55% [2],[3],[23] 9.58% [6],[7],[22]  
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien 3                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.55% [2],[3],[9],[10]   9.55% [2],[3],[9],[10]   9.55% [2],[3],[9],[10] 9.58% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Galway Borrower LLC, First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     8.80% [1],[2],[3],[4]   8.80% [1],[2],[3],[4]   8.80% [1],[2],[3],[4] 8.83% [5],[6],[7],[8]  
Investment, Identifier [Axis]: Galway Borrower LLC, First lien (3)(11)(13)(16) - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[9],[10],[16]     8.80%   8.80%   8.80%    
Investment, Identifier [Axis]: Galway Borrower LLC, First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[12],[15]               8.83%  
Investment, Identifier [Axis]: GraphPAD Software, LLC, First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     11.25% [1],[2],[3],[4]   11.25% [1],[2],[3],[4]   11.25% [1],[2],[3],[4] 9.08% [5],[6],[7],[8]  
Investment, Identifier [Axis]: GraphPAD Software, LLC, First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate     11.25% [2],[3],[10],[16]   11.25% [2],[3],[10],[16]   11.25% [2],[3],[10],[16] 9.08% [6],[7],[12],[15]  
Investment, Identifier [Axis]: Greenway Health, LLC, First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     11.05% [2],[3],[9],[10]   11.05% [2],[3],[9],[10]   11.05% [2],[3],[9],[10] 11.08% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Groundworks, LLC, First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [7],[14]               7.65%  
Investment, Identifier [Axis]: Groundworks, LLC, First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate [7],[14],[15]               7.65%  
Investment, Identifier [Axis]: HBWM Holdings, LLC, Common units                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[30],[31]     4.00%   4.00%   4.00%    
Investment, Identifier [Axis]: HBWM Holdings, LLC, Ordinary shares                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[32]               4.00%  
Investment, Identifier [Axis]: HS Purchaser, LLC / Help/Systems Holdings, Inc., Second lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     11.13% [3],[23]   11.13% [3],[23]   11.13% [3],[23] 11.44% [7],[22]  
Investment, Identifier [Axis]: HS Purchaser, LLC / Help/Systems Holdings, Inc., Second lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     11.13% [1],[3],[4]   11.13% [1],[3],[4]   11.13% [1],[3],[4] 11.44% [5],[7],[8]  
Investment, Identifier [Axis]: Healthspan Buyer, LLC, First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.55% [2],[3],[9],[10]   9.55% [2],[3],[9],[10]   9.55% [2],[3],[9],[10] 9.58% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Higginbotham Insurance Agency, Inc., First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     8.83% [2],[3],[9],[10]   8.83% [2],[3],[9],[10]   8.83% [2],[3],[9],[10] 8.86% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Higginbotham Insurance Agency, Inc., First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.08% [2],[3],[10],[16]   9.08% [2],[3],[10],[16]   9.08% [2],[3],[10],[16] 9.11% [6],[7],[12],[15]  
Investment, Identifier [Axis]: Houghton Mifflin Harcourt Company, First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.63% [3],[9],[10]   9.63% [3],[9],[10]   9.63% [3],[9],[10] 9.71% [7],[11],[12]  
Investment, Identifier [Axis]: IG Investments Holdings, LLC, First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.28% [1],[2],[3],[4]   9.28% [1],[2],[3],[4]   9.28% [1],[2],[3],[4] 9.67% [5],[6],[7],[8]  
Investment, Identifier [Axis]: IG Investments Holdings, LLC, First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.28% [2],[3],[9],[10]   9.28% [2],[3],[9],[10]   9.28% [2],[3],[9],[10] 9.67% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Icefall Parent, Inc., First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.03% [2],[3],[9],[10]   10.03% [2],[3],[9],[10]   10.03% [2],[3],[9],[10] 10.86% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Idera, Inc., Second lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[14]               11.47%  
Investment, Identifier [Axis]: Idera, Inc., Second lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[11],[12]               11.47%  
Investment, Identifier [Axis]: Infogain Corporation, First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.18% [1],[2],[3],[4]   10.18% [1],[2],[3],[4]   10.18% [1],[2],[3],[4] 10.21% [5],[6],[7],[8]  
Investment, Identifier [Axis]: Infogain Corporation, First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.18% [2],[3],[9],[10]   10.18% [2],[3],[9],[10]   10.18% [2],[3],[9],[10] 10.21% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Infogain Corporation, Subordinated                  
Securities Financing Transaction [Line Items]                  
Interest rate     11.90% [2],[3],[10]   11.90% [2],[3],[10]   11.90% [2],[3],[10] 11.93% [6],[7],[12]  
Investment, Identifier [Axis]: Integro Parent Inc., Second lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[11],[12],[20]               16.58%  
Investment, Identifier [Axis]: Investment, Affiliated Issuer, Controlled, Majority-Owned                  
Securities Financing Transaction [Line Items]                  
Interest rate   7.00%              
Investment, Identifier [Axis]: Ivy Hill Middle Market Credit Fund, Ltd, Structured Finance Obligations                  
Securities Financing Transaction [Line Items]                  
Interest rate     11.46% [2],[3],[10],[19]   11.46% [2],[3],[10],[19]   11.46% [2],[3],[10],[19] 11.46% [7],[12],[20]  
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.18% [2],[3],[10],[16]   10.18% [2],[3],[10],[16]   10.18% [2],[3],[10],[16] 10.36% [6],[7],[12],[15]  
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.88% [2],[3],[9],[10]   9.88% [2],[3],[9],[10]   9.88% [2],[3],[9],[10] 10.19% [6],[7],[11],[12]  
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.90% [2],[3],[9],[10]   9.90% [2],[3],[9],[10]   9.90% [2],[3],[9],[10] 10.15% [6],[7],[11],[12]  
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien 3                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.81% [2],[3],[9],[10]   9.81% [2],[3],[9],[10]   9.81% [2],[3],[9],[10] 10.28% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Kaseya Inc., First lien - Drawn 1                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[11],[12],[15]               9.83%  
Investment, Identifier [Axis]: Kaseya Inc., First lien - Drawn 2                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[12],[15]               10.09%  
Investment, Identifier [Axis]: Kaseya Inc., First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate [5],[6],[7],[8]               10.09%  
Investment, Identifier [Axis]: Kaseya Inc., First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[11],[12]               10.09%  
Investment, Identifier [Axis]: Kele Holdco, Inc., First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[9],[10],[16]     8.83%   8.83%   8.83%    
Investment, Identifier [Axis]: Kele Holdco, Inc., First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     8.83% [2],[3],[23]   8.83% [2],[3],[23]   8.83% [2],[3],[23] 8.84% [6],[7],[22]  
Investment, Identifier [Axis]: Kele Holdco, Inc., First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     8.83% [2],[3],[23]   8.83% [2],[3],[23]   8.83% [2],[3],[23] 8.84% [6],[7],[22]  
Investment, Identifier [Axis]: Kene Acquisition, Inc., First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.53% [1],[2],[3],[4]   9.53% [1],[2],[3],[4]   9.53% [1],[2],[3],[4] 9.84% [5],[6],[7],[8]  
Investment, Identifier [Axis]: Kene Acquisition, Inc., First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.53% [2],[3],[10],[16]   9.53% [2],[3],[10],[16]   9.53% [2],[3],[10],[16] 9.59% [6],[7],[12],[15]  
Investment, Identifier [Axis]: Knockout Intermediate Holdings I Inc., Preferred shares                  
Securities Financing Transaction [Line Items]                  
Interest rate     14.89% [2],[3],[10],[33]   14.89% [2],[3],[10],[33]   14.89% [2],[3],[10],[33] 15.03% [6],[7],[12],[34]  
Investment, Identifier [Axis]: LSCS Holdings, Inc., First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [1],[3],[4]     8.80%   8.80%   8.80%    
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC, First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.82% [2],[3],[23]   9.82% [2],[3],[23]   9.82% [2],[3],[23] 10.02% [6],[7],[22]  
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC, First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.32% [2],[3],[10],[16]   9.32% [2],[3],[10],[16]   9.32% [2],[3],[10],[16] 9.41% [6],[7],[12],[15]  
Investment, Identifier [Axis]: Logrhythm, Inc. First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[10]     11.83%   11.83%   11.83%    
Investment, Identifier [Axis]: Logrhythm, Inc., First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[11],[12]               11.86%  
Investment, Identifier [Axis]: Low Voltage Holdings Inc., First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[9],[10]     9.05%   9.05%   9.05%    
Investment, Identifier [Axis]: MRI Software LLC, First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.05% [2],[3],[10],[16]   9.05% [2],[3],[10],[16]   9.05% [2],[3],[10],[16] 9.08% [6],[7],[12],[15]  
Investment, Identifier [Axis]: MRI Software LLC, First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.05% [2],[3],[23]   9.05% [2],[3],[23]   9.05% [2],[3],[23] 9.08% [6],[7],[22]  
Investment, Identifier [Axis]: MRI Software LLC, First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.05% [2],[3],[9],[10]   9.05% [2],[3],[9],[10]   9.05% [2],[3],[9],[10] 9.08% [6],[7],[11],[12]  
Investment, Identifier [Axis]: MRI Software LLC, First lien 3                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.05% [1],[2],[3],[4]   9.05% [1],[2],[3],[4]   9.05% [1],[2],[3],[4] 9.08% [5],[6],[7],[8]  
Investment, Identifier [Axis]: MRI Software LLC, First lien 4                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.05% [1],[2],[3],[4]   9.05% [1],[2],[3],[4]   9.05% [1],[2],[3],[4] 9.08% [5],[6],[7],[8]  
Investment, Identifier [Axis]: MRI Software LLC, First lien 5                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.05% [2],[3],[9],[10]   9.05% [2],[3],[9],[10]   9.05% [2],[3],[9],[10] 9.08% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Mai Capital Management Intermediate LLC, First lien- Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[10],[16]     9.05%   9.05%   9.05%    
Investment, Identifier [Axis]: Michael Baker International, LLC, First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [7],[11],[12]               9.11%  
Investment, Identifier [Axis]: Model N, Inc., First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [5],[6],[7],[8]               9.33%  
Investment, Identifier [Axis]: Model N, Inc., First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [1],[2],[3],[4]     9.05%   9.05%   9.05%    
Investment, Identifier [Axis]: NC Topco, LLC, First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     8.83% [1],[2],[3],[4]   8.83% [1],[2],[3],[4]   8.83% [1],[2],[3],[4] 9.61% [5],[6],[7],[8]  
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc., First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.52% [2],[3],[9],[10]   10.52% [2],[3],[9],[10]   10.52% [2],[3],[9],[10] 10.85% [6],[7],[11],[12]  
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc., First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.56% [2],[3],[9],[10]   10.56% [2],[3],[9],[10]   10.56% [2],[3],[9],[10] 10.69% [6],[7],[11],[12]  
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc., First lien 3                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.52% [1],[2],[3],[4]   10.52% [1],[2],[3],[4]   10.52% [1],[2],[3],[4] 10.85% [5],[6],[7],[8]  
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc., First lien 4                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[9],[10]     10.67%   10.67%   10.67%    
Investment, Identifier [Axis]: National HME, Inc., Second lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.56% [2],[3],[10],[35]   9.56% [2],[3],[10],[35]   9.56% [2],[3],[10],[35] 9.85% [6],[7],[12],[36]  
Investment, Identifier [Axis]: Nelipak Holding Company, First lien - Drawn 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.83% [2],[3],[9],[10],[16],[37]   9.83% [2],[3],[9],[10],[16],[37]   9.83% [2],[3],[9],[10],[16],[37] 9.86% [6],[7],[11],[12],[15],[38]  
Investment, Identifier [Axis]: Nelipak Holding Company, First lien - Drawn 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     7.37% [2],[3],[10],[16]   7.37% [2],[3],[10],[16]   7.37% [2],[3],[10],[16] 8.32% [6],[7],[12],[15]  
Investment, Identifier [Axis]: Nelipak Holding Company, First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     7.48% [2],[3],[9],[10],[37]   7.48% [2],[3],[9],[10],[37]   7.48% [2],[3],[9],[10],[37] 8.36% [6],[7],[11],[12],[38]  
Investment, Identifier [Axis]: Nelipak Holding Company, First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.80% [1],[2],[3],[4]   9.80% [1],[2],[3],[4]   9.80% [1],[2],[3],[4] 9.86% [5],[6],[7],[8]  
Investment, Identifier [Axis]: New Benevis Holdco, Inc., First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     12.00% [2],[3],[4]   12.00% [2],[3],[4]   12.00% [2],[3],[4] 12.00% [6],[7],[8]  
Investment, Identifier [Axis]: New Benevis Holdco, Inc., First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     12.00% [2],[3],[9],[10]   12.00% [2],[3],[9],[10]   12.00% [2],[3],[9],[10] 12.00% [6],[7],[11],[12]  
Investment, Identifier [Axis]: New Benevis Holdco, Inc., Subordinated                  
Securities Financing Transaction [Line Items]                  
Interest rate     12.00% [2],[3],[10]   12.00% [2],[3],[10]   12.00% [2],[3],[10] 12.00% [6],[7],[12]  
Investment, Identifier [Axis]: New Permian Holdco, L.L.C., First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     13.56% [2],[3],[9],[10]   13.56% [2],[3],[9],[10]   13.56% [2],[3],[9],[10] 13.59% [6],[7],[11],[12]  
Investment, Identifier [Axis]: New Permian Holdco, L.L.C., First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.56% [2],[3],[9],[10],[16]   10.56% [2],[3],[9],[10],[16]   10.56% [2],[3],[9],[10],[16] 10.59% [6],[7],[11],[12],[15]  
Investment, Identifier [Axis]: Next Holdco, LLC, First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.55% [1],[2],[3],[4]   9.55% [1],[2],[3],[4]   9.55% [1],[2],[3],[4] 10.27% [5],[6],[7],[8]  
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[10],[16]     11.22%   11.22%   11.22%    
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     11.73% [2],[3],[9],[10]   11.73% [2],[3],[9],[10]   11.73% [2],[3],[9],[10] 11.91% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     11.73% [2],[3],[9],[10]   11.73% [2],[3],[9],[10]   11.73% [2],[3],[9],[10] 11.91% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien 3                  
Securities Financing Transaction [Line Items]                  
Interest rate     11.73% [2],[3],[9],[10]   11.73% [2],[3],[9],[10]   11.73% [2],[3],[9],[10] 11.91% [6],[7],[11],[12]  
Investment, Identifier [Axis]: OA Buyer, Inc., First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate [5],[6],[7],[8]               9.11%  
Investment, Identifier [Axis]: OA Buyer, Inc., First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate [5],[6],[7],[8]               9.11%  
Investment, Identifier [Axis]: OA Buyer, Inc., First lien 3                  
Securities Financing Transaction [Line Items]                  
Interest rate [5],[6],[7],[8]               9.11%  
Investment, Identifier [Axis]: OEConnection LLC, First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [5],[6],[7],[8]               9.36%  
Investment, Identifier [Axis]: OEConnection LLC, First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate [1],[2],[3],[4]     9.58%   9.58%   9.58%    
Investment, Identifier [Axis]: OEConnection LLC, First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[9],[10]     9.58%   9.58%   9.58%    
Investment, Identifier [Axis]: Oranje Holdco, Inc., First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     12.03% [2],[3],[9],[10]   12.03% [2],[3],[9],[10]   12.03% [2],[3],[9],[10] 12.32% [5],[6],[7],[8]  
Investment, Identifier [Axis]: Oranje Holdco, Inc., First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     11.53% [2],[3],[9],[10]   11.53% [2],[3],[9],[10]   11.53% [2],[3],[9],[10] 12.32% [6],[7],[12]  
Investment, Identifier [Axis]: Oranje Holdco, Inc., First lien 3                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[12]               11.82%  
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[14]               10.09%  
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[14],[15]               10.00%  
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien - Drawn 1                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[13],[16]     9.78%   9.78%   9.78%    
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien - Drawn 2                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[10],[16]     12.00%   12.00%   12.00%    
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[13]     9.78%   9.78%   9.78%    
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[9],[10]     9.78%   9.78%   9.78%    
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.08% [2],[3],[13]   10.08% [2],[3],[13]   10.08% [2],[3],[13] 10.26% [6],[7],[14]  
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate [5],[6],[7],[8]               10.26%  
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate [1],[2],[3],[4]     10.08%   10.08%   10.08%    
Investment, Identifier [Axis]: PPVA Black Elk (Equity) LLC, Subordinated                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[12]               0.00%  
Investment, Identifier [Axis]: PPVA Fund, L.P., Collateralized Financing                  
Securities Financing Transaction [Line Items]                  
Interest rate [7],[39],[40]               0.00%  
Investment, Identifier [Axis]: Park Place Technologies, LLC, First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.53% [1],[2],[3],[4]   9.53% [1],[2],[3],[4]   9.53% [1],[2],[3],[4] 9.61% [5],[6],[7],[8]  
Investment, Identifier [Axis]: Park Place Technologies, LLC, First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[9],[10],[16]     9.58%   9.58%   9.58%    
Investment, Identifier [Axis]: Park Place Technologies, LLC, First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.56% [2],[3],[10],[16]   9.56% [2],[3],[10],[16]   9.56% [2],[3],[10],[16] 9.80% [6],[7],[11],[12],[15]  
Investment, Identifier [Axis]: Permian Trust, First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     11.00% [2],[3],[10]   11.00% [2],[3],[10]   11.00% [2],[3],[10] 11.00% [6],[7],[12],[39]  
Investment, Identifier [Axis]: Permian Trust, Trust Claim                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.00% [2],[3],[41]   10.00% [2],[3],[41]   10.00% [2],[3],[41] 10.00% [6],[7],[39],[42]  
Investment, Identifier [Axis]: PetVet Care Centers, LLC, First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [5],[6],[7],[8]               10.36%  
Investment, Identifier [Axis]: PetVet Care Centers, LLC, First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[9],[10]     10.33%   10.33%   10.33%    
Investment, Identifier [Axis]: Pioneer Buyer I, LLC, First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.30% [2],[3],[9],[10]   10.30% [2],[3],[9],[10]   10.30% [2],[3],[9],[10] 10.83% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Pioneer Buyer I, LLC, First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.30% [2],[3],[9],[10]   10.30% [2],[3],[9],[10]   10.30% [2],[3],[9],[10] 10.83% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Planview Parent, Inc., Second lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.05% [2],[3],[9],[10]   10.05% [2],[3],[9],[10]   10.05% [2],[3],[9],[10] 10.08% [5],[7],[8]  
Investment, Identifier [Axis]: Power Grid Holdings, Inc., First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.05% [2],[3],[13]   9.05% [2],[3],[13]   9.05% [2],[3],[13] 9.08% [6],[7],[14]  
Investment, Identifier [Axis]: Power Grid Holdings, Inc., First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[10],[16]     9.06%   9.06%   9.06%    
Investment, Identifier [Axis]: Project Accelerate Parent, LLC, First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.57% [2],[3],[23]   9.57% [2],[3],[23]   9.57% [2],[3],[23] 9.61% [6],[7],[22]  
Investment, Identifier [Axis]: Project Essential Super Parent, Inc., Preferred shares                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[12]               14.10%  
Investment, Identifier [Axis]: RLG Holdings, LLC, First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.33% [1],[3],[4]   9.33% [1],[3],[4]   9.33% [1],[3],[4] 9.36% [5],[7],[8]  
Investment, Identifier [Axis]: RailPros Parent, LLC, First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [1],[2],[3],[4]     8.83%   8.83%   8.83%    
Investment, Identifier [Axis]: Reorganized Careismatic Brands, LLC, Trust Claim 1                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[8]               0.00%  
Investment, Identifier [Axis]: Reorganized Careismatic Brands, LLC, Trust Claim 2                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[12]               0.00%  
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate     11.25% [2],[3],[10],[16]   11.25% [2],[3],[10],[16]   11.25% [2],[3],[10],[16] 11.75% [6],[7],[12],[15]  
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.08% [1],[2],[3],[4]   9.08% [1],[2],[3],[4]   9.08% [1],[2],[3],[4] 9.72% [5],[6],[7],[8]  
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.08% [2],[3],[9],[10]   9.08% [2],[3],[9],[10]   9.08% [2],[3],[9],[10] 9.72% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Sierra Enterprises, LLC, First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.32% [1],[2],[3],[4]   10.32% [1],[2],[3],[4]   10.32% [1],[2],[3],[4] 11.34% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Specialtycare, Inc., First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[9],[10],[16]     8.19%   8.19%   8.19%    
Investment, Identifier [Axis]: Specialtycare, Inc., First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[11],[12],[15]               9.04%  
Investment, Identifier [Axis]: Specialtycare, Inc., First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.06% [1],[2],[3],[4]   10.06% [1],[2],[3],[4]   10.06% [1],[2],[3],[4] 10.60% [5],[6],[7],[8]  
Investment, Identifier [Axis]: Specialtycare, Inc., First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.04% [2],[3],[9],[10]   10.04% [2],[3],[9],[10]   10.04% [2],[3],[9],[10] 10.66% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc., Preferred shares 1                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[14]               14.97%  
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc., Preferred shares 2                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[11],[12]               14.97%  
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc., Series A preferred shares 1                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[13]     14.94%   14.94%   14.94%    
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc., Series A preferred shares 2                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[9],[10]     14.94%   14.94%   14.94%    
Investment, Identifier [Axis]: Syndigo LLC, Second lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     12.54% [2],[3],[13]   12.54% [2],[3],[13]   12.54% [2],[3],[13] 12.89% [6],[7],[14]  
Investment, Identifier [Axis]: Syndigo LLC, Second lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     12.54% [1],[2],[3],[4]   12.54% [1],[2],[3],[4]   12.54% [1],[2],[3],[4] 12.89% [5],[6],[7],[8]  
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.58% [2],[3],[4]   9.58% [2],[3],[4]   9.58% [2],[3],[4] 9.59% [6],[7],[8]  
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.58% [2],[3],[9],[10]   9.58% [2],[3],[9],[10]   9.58% [2],[3],[9],[10] 9.59% [6],[7],[12]  
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., First lien 3                  
Securities Financing Transaction [Line Items]                  
Interest rate     8.33% [2],[3],[9],[10]   8.33% [2],[3],[9],[10]   8.33% [2],[3],[9],[10] 7.34% [6],[7],[12]  
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., Subordinated 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     11.00% [2],[3],[4]   11.00% [2],[3],[4]   11.00% [2],[3],[4] 11.00% [6],[7],[8]  
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., Subordinated 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     11.00% [2],[3],[10]   11.00% [2],[3],[10]   11.00% [2],[3],[10] 11.00% [6],[7],[12]  
Investment, Identifier [Axis]: TVG-Edmentum Holdings, LLC, Ordinary shares                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[12]               12.00%  
Investment, Identifier [Axis]: TVG-Edmentum Holdings, LLC, Preferred shares                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[12]               15.00%  
Investment, Identifier [Axis]: TVG-Edmentum Holdings, LLC, Series C-2 Preferred Units                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[10]     15.00%   15.00%   15.00%    
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[11],[12],[20]               10.76%  
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[9],[10]     9.76%   9.76%   9.76%    
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[4]     9.76%   9.76%   9.76%    
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien 3                  
Securities Financing Transaction [Line Items]                  
Interest rate [3],[4]     9.76%   9.76%   9.76%    
Investment, Identifier [Axis]: TigerConnect, Inc., First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [5],[6],[7],[8]               11.47%  
Investment, Identifier [Axis]: TigerConnect, Inc., First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[9],[10]     11.18%   11.18%   11.18%    
Investment, Identifier [Axis]: TigerConnect, Inc., First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate     11.18% [2],[3],[4],[16]   11.18% [2],[3],[4],[16]   11.18% [2],[3],[4],[16] 11.47% [6],[7],[8],[15]  
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     8.48% [1],[2],[3],[4]   8.48% [1],[2],[3],[4]   8.48% [1],[2],[3],[4] 9.76% [5],[6],[7],[8]  
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     8.43% [1],[2],[3],[4]   8.43% [1],[2],[3],[4]   8.43% [1],[2],[3],[4] 9.94% [5],[6],[7],[8]  
Investment, Identifier [Axis]: USRP Holdings, Inc., First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.33% [2],[3],[9],[10]   9.33% [2],[3],[9],[10]   9.33% [2],[3],[9],[10] 9.36% [6],[7],[11],[12]  
Investment, Identifier [Axis]: USRP Holdings, Inc., First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.33% [1],[2],[3],[4]   9.33% [1],[2],[3],[4]   9.33% [1],[2],[3],[4] 9.36% [5],[6],[7],[8]  
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     20.00% [2],[3],[10]   20.00% [2],[3],[10]   20.00% [2],[3],[10] 20.00% [6],[7],[12]  
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 2                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[12]               20.00%  
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 3                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[12]               19.00%  
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 4                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[8]               13.50%  
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 5                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[12]               13.50%  
Investment, Identifier [Axis]: UniTek Global Services, Inc., Second lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[12]               15.00%  
Investment, Identifier [Axis]: UniTek Global Services, Inc., Second lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[12]               15.00%  
Investment, Identifier [Axis]: Viper Bidco. Inc., First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.22% [2],[3],[9],[10],[37]   9.22% [2],[3],[9],[10],[37]   9.22% [2],[3],[9],[10],[37] 9.70% [6],[7],[11],[12],[38]  
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.29% [1],[2],[3],[4]   9.29% [1],[2],[3],[4]   9.29% [1],[2],[3],[4] 9.55% [5],[6],[7],[8]  
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.29% [2],[3],[9],[10]   9.29% [2],[3],[9],[10]   9.29% [2],[3],[9],[10] 9.55% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 3                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.29% [1],[2],[3],[4]   9.29% [1],[2],[3],[4]   9.29% [1],[2],[3],[4] 9.55% [5],[6],[7],[8]  
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 4                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.32% [2],[3],[9],[10]   9.32% [2],[3],[9],[10]   9.32% [2],[3],[9],[10] 9.50% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 5                  
Securities Financing Transaction [Line Items]                  
Interest rate     9.29% [2],[3],[9],[10]   9.29% [2],[3],[9],[10]   9.29% [2],[3],[9],[10] 9.56% [6],[7],[11],[12]  
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, Subordinated                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[12]               13.00%  
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, Subordinated                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[10]     13.00%   13.00%   13.00%    
Investment, Identifier [Axis]: Xactly Corporation, First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.68% [2],[3],[13]   10.68% [2],[3],[13]   10.68% [2],[3],[13] 10.86% [6],[7],[14]  
Investment, Identifier [Axis]: YLG Holding, Inc, First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate [1],[2],[3],[4]     9.05%   9.05%   9.05%    
Investment, Identifier [Axis]: YLG Holding, Inc, First lien - Drawn 2                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[10],[16]     9.05%   9.05%   9.05%    
Investment, Identifier [Axis]: YLG Holding, Inc, First lien - Drawn 1                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[10],[16]     9.07%   9.07%   9.07%    
Investment, Identifier [Axis]: YLG Holding, Inc, First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[23]     9.05%   9.05%   9.05%    
Investment, Identifier [Axis]: YLG Holdings, Inc., First lien                  
Securities Financing Transaction [Line Items]                  
Interest rate [6],[7],[22]               9.09%  
Investment, Identifier [Axis]: eResearchTechnology, Inc., First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[9],[10],[16]     9.08%   9.08%   9.08%    
Investment, Identifier [Axis]: eResearchTechnology, Inc., First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[9],[10]     9.08%   9.08%   9.08%    
Investment, Identifier [Axis]: eResearchTechnology, Inc., First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate [2],[3],[9],[10]     9.08%   9.08%   9.08%    
Investment, Identifier [Axis]: iCIMS, Inc., First lien - Drawn                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.03% [2],[3],[10],[16]   10.03% [2],[3],[10],[16]   10.03% [2],[3],[10],[16] 10.34% [6],[7],[12],[15]  
Investment, Identifier [Axis]: iCIMS, Inc., First lien 1                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.03% [1],[2],[3],[4]   10.03% [1],[2],[3],[4]   10.03% [1],[2],[3],[4] 10.38% [5],[6],[7],[8]  
Investment, Identifier [Axis]: iCIMS, Inc., First lien 2                  
Securities Financing Transaction [Line Items]                  
Interest rate     10.53% [1],[2],[3],[4]   10.53% [1],[2],[3],[4]   10.53% [1],[2],[3],[4] 10.88% [5],[6],[7],[8]  
Investments in Majority-owned Subsidiaries                  
Securities Financing Transaction [Line Items]                  
Shares redeemed for a promissory note (in shares) | shares   105,030              
Redemption of shares paid-in-kind   $ 11,315,000              
Common Stock                  
Securities Financing Transaction [Line Items]                  
Stock repurchase program, authorized amount                 $ 50,000,000
Shares repurchased under repurchase program (in shares) | shares     925,216            
Common Stock | New Mountain Net Lease Corporation                  
Securities Financing Transaction [Line Items]                  
Sale of stock, number of shares issued (in shares) | shares   105,030              
Sale of stock, price per share (in dollars per share) | $ / shares   $ 107.73              
Sale of stock, consideration received   $ 11,315,000              
Common Stock | New Mountain Net Lease Corporation | Investments in Majority-owned Subsidiaries                  
Securities Financing Transaction [Line Items]                  
Sale of stock, price per share (in dollars per share) | $ / shares $ 73.39                
Sale of stock, consideration received $ 4,666,000                
Shares sold (in shares) | shares 63,575                
Common Stock | Affiliate Of Investment Adviser | New Mountain Net Lease Corporation                  
Securities Financing Transaction [Line Items]                  
Sale of stock, number of shares issued (in shares) | shares 63,575                
Sale of stock, price per share (in dollars per share) | $ / shares $ 73.39                
Sale of stock, consideration received $ 4,666,000                
[1] Investment is pledged as collateral for the Holdings Credit Facility, a revolving credit facility among the Company, as the Collateral Manager, New Mountain Finance Holdings, L.L.C. as the Borrower, Wells Fargo Securities, LLC, as the Administrative Agent, and Wells Fargo Bank, National Association, as the Lender and Collateral Custodian.. See Note 7. Borrowings, for details.
[2] The fair value of the Company's investment is determined using unobservable inputs that are significant to the overall fair value measurement. See Note 4. Fair Value, for details.
[3] Total Coupon is payable in cash unless otherwise indicated. A majority of the variable rate debt investments bear interest and dividends at a rate that may be determined by reference to the Secured Overnight Financing Rate (SOFR), the Prime Rate (P), the Sterling Overnight Interbank Average Rate (SONIA) and Euro Interbank Offered Rate (EURIBOR) and which resets daily (D), monthly (M), quarterly (Q), semi-annually (S) or annually (A). For each investment the current coupon rate provided reflects the rate in effect as of June 30, 2025.
[4] Investment is held by New Mountain Finance Holdings, L.L.C.
[5] Investment is pledged as collateral for the Holdings Credit Facility, a revolving credit facility among the Company, as the Collateral Manager, New Mountain Finance Holdings, L.L.C. as the Borrower, Wells Fargo Securities, LLC, as the Administrative Agent, and Wells Fargo Bank, National Association, as the Lender and Collateral Custodian.. See Note 7. Borrowings, for details.
[6] The fair value of the Company's investment is determined using unobservable inputs that are significant to the overall fair value measurement. See Note 4. Fair Value, for details.
[7] Total Coupon is payable in cash unless otherwise indicated. A majority of the variable rate debt investments bear interest and dividends at a rate that may be determined by reference to the Secured Overnight Financing Rate (SOFR), the Prime Rate (P), the Sterling Overnight Interbank Average Rate (SONIA) and Euro Interbank Offered Rate (EURIBOR) and which resets daily (D), monthly (M), quarterly (Q), semi-annually (S) or annually (A). For each investment the current coupon rate provided reflects the rate in effect as of December 31, 2024.
[8] Investment is held by New Mountain Finance Holdings, L.L.C.
[9] Investment is pledged as collateral for the NMFC Credit Facility, a revolving credit facility among the Company as the Borrower, Sumitomo Mitsui Banking Corporation, as administrative agent, sole lead arranger, and sole book runner, and the lenders party thereto. See Note 7. Borrowings, for details
[10] Investment is held by New Mountain Finance Corporation
[11] Investment is pledged as collateral for the NMFC Credit Facility, a revolving credit facility among the Company as the Borrower, Sumitomo Mitsui Banking Corporation, as administrative agent, sole lead arranger, and sole book runner, and the lenders party thereto. See Note 7. Borrowings, for details
[12] Investment is held by New Mountain Finance Corporation
[13] Investment is held by New Mountain Finance SBIC, L.P.
[14] Investment is held by New Mountain Finance SBIC, L.P.
[15] Par value amounts represent the drawn or undrawn (as indicated in type of investment) portion of revolving credit facilities or delayed draws. Cost amounts represent the cash received at settlement date net of the impact of paydowns and cash paid for drawn revolvers or delayed draws.
[16] Par value amounts represent the drawn or undrawn (as indicated in type of investment) portion of revolving credit facilities or delayed draws. Cost amounts represent the cash received at settlement date net of the impact of paydowns and cash paid for drawn revolvers or delayed draws.
[17] The Company holds investments in ACI Parent Inc. and a wholly-owned subsidiary of ACI Parent Inc. The Company holds a first lien term loan, two first lien delayed draws and a first lien revolver in ACI Group Holdings, Inc. and preferred equity in ACI Parent Inc. The Company's preferred equity investment is entitled to receive cumulative preferred dividends that is calculated using the stated value of the Company's equity investment plus the aggregate unpaid compounded dividends as of the date of determination. As of June 30, 2025, the Company's stated value of it's equity investment plus unpaid compounded dividends was $19,666.
[18] The Company holds investments in ACI Parent Inc. and a wholly-owned subsidiary of ACI Parent Inc. The Company holds a first lien term loan, two first lien delayed draws and a first lien revolver in ACI Group Holdings, Inc. and preferred equity in ACI Parent Inc.
[19] Indicates assets that the Company deems to be “non-qualifying assets” under Section 55(a) of the 1940 Act. Qualifying assets must represent at least 70.0% of the Company’s total assets at the time of acquisition of any additional non-qualifying assets. As of June 30, 2025, 15.5% of the Company’s total assets are represented by investments at fair value that are considered non-qualifying assets.
[20] Indicates assets that the Company deems to be “non-qualifying assets” under Section 55(a) of the 1940 Act. Qualifying assets must represent at least 70.0% of the Company’s total assets at the time of acquisition of any additional non-qualifying assets. As of December 31, 2024, 14.6% of the Company’s total assets are represented by investments at fair value that are considered non-qualifying assets.
[21] The Company holds preferred equity in Bamboo Health Intermediate Holdings, Inc.(fka Appriss Health Intermediate Holdings, Inc.) and holds a first lien term loan and a first lien revolver in Bamboo Health Holdings, LLC (fka Appriss Health, LLC), a wholly-owned subsidiary of Bamboo Health Intermediate Holdings, Inc.
[22] Investment is held by New Mountain Finance SBIC II, L.P.
[23] Investment is held by New Mountain Finance SBIC II, L.P.
[24] The Company's preferred equity investment in Dealer Tire Holdings, LLC is entitled to receive cumulative preferred dividends that is calculated using the stated value of the Company's equity investment plus the aggregate unpaid compounded dividends as of the date of determination. As of June 30, 2025, the Company's stated value of it's share plus unpaid compounded dividends was $84,739.
[25] The Company holds investments in two wholly-owned subsidiaries of Diamond Parent Holdings Corp. The Company holds two first lien term loans, a first lien delayed draw and a first lien revolver in Diligent Corporation and preferred equity in Diligent Preferred Issuer Inc. The Company's preferred equity investment is entitled to receive cumulative preferred dividends that is calculated using the stated value of the Company's equity investment plus the aggregate unpaid compounded dividends as of the date of determination. As of June 30, 2025, the Company's stated value of it's equity investment plus unpaid compounded dividends was $15,037.
[26] The Company holds investments in two wholly-owned subsidiaries of Diamond Parent Holdings Corp. The Company holds two first lien term loans, a first lien delayed draw and a first lien revolver in Diligent Corporation and preferred equity in Diligent Preferred Issuer Inc.
[27] The Company holds preferred equity in Eclipse Topco, Inc. and a first lien term loan, a first lien revolver and a first lien delayed draw in Eclipse Buyer, Inc., a wholly-owned subsidiary of Eclipse Topco, Inc. The Company's preferred equity investment is entitled to receive cumulative preferred dividends that is calculated using the stated value of the Company's equity investment plus the aggregate unpaid compounded dividends as of the date of determination. As of June 30, 2025, the Company's stated value of it's equity investment plus unpaid compounded dividends was $2,094.
[28] The Company holds preferred equity in Eclipse Topco, Inc. and a first lien term loan, a first lien revolver and a first lien delayed draw in Eclipse Buyer, Inc., a wholly-owned subsidiary of Eclipse Topco, Inc.
[29] The Company holds ordinary shares and Class B-1 and Class B-2 of preferred equity in TVG-Edmentum Holdings, LLC, and subordinated notes in Edmentum Ultimate Holdings, LLC, a wholly-owned subsidiary of TVG-Edmentum Holdings, LLC. As of June 30, 2025, the Company's stated value of the Company's Class B-1 and Class B-2 preferred equity investment plus unpaid compounded dividends was $48,080 and $29,707, respectively.
[30] The Company's common equity investment in HBWM Holdings, LLC. is entitled to receive cumulative return that is calculated using the unreturned original investment plus any unpaid capitalized dividends. As of June 30, 2025, the Company's unreturned original investment plus any unpaid capitalized dividends was $4,750.
[31] Investment is held by NMF HB, Inc.
[32] Investment is held by NMF HB, Inc.
[33] The Company's preferred equity investment in Knockout Intermediate Holdings I, Inc. is entitled to receive cumulative preferred dividends that is calculated using the stated value of the Company's equity investment plus the aggregate unpaid compounded dividends as of the date of determination. As of June 30, 2025, the Company's stated value of it's share plus unpaid compounded dividends was $14,237.
[34] The Company holds preferred equity in Knockout Intermediate Holdings I Inc. and a first lien term loan, a first lien revolver and two first lien delayed draws in Kaseya, Inc., a wholly-owned subsidiary of Knockout Intermediate Holdings I Inc.
[35] The Company holds ordinary shares and warrants in NHME Holdings Corp., as well as a second lien Tranche A Term Loan in National HME, Inc., a wholly-owned subsidiary of NHME Holdings Corp. The second lien Tranche A Term Loan is entitled to receive 20% of the interest earned on the first lien Tranche A Term Loan, which accrues interest at a rate of SOFR + 5.00%, and 20% of the interest earned on the first lien Tranche B Term Loan, which accrues interest at a rate of SOFR + 6.00%.
[36] The Company holds ordinary shares and warrants in NHME Holdings Corp., as well as a second lien Tranche A Term Loan in National HME, Inc., a wholly-owned subsidiary of NHME Holdings Corp. The second lien Tranche A Term Loan is entitled to receive 20% of the interest earned on the first lien Tranche A Term Loan, which accrues interest at a rate of SOFR + 5.00%, and 20% of the interest earned on the first lien Tranche B Term Loan, which accrues interest at a rate of SOFR + 6.00%.
[37] Investment is denominated in foreign currency and is translated into U.S. dollars as of the valuation date. As of June 30, 2025, the par value U.S. dollar equivalent of the Viper Bidco, Inc. first lien term loans is $16,443, the Nelipak Holding Company first lien term loan, undrawn delayed draw term loan, undrawn revolver and drawn revolver is $19,383, $7,558, $1,318 and $92, respectively. See Note 2. Summary of Significant Accounting Policies, for details
[38] Investment is denominated in foreign currency and is translated into U.S. dollars as of the valuation date. As of December 31, 2024, the par value U.S. dollar equivalent of the Viper Bidco, Inc. first lien term loans is $15,057 and the Nelipak Holding Company first lien term loan, drawn revolver, undrawn delayed draw term loan and undrawn revolver is $17,109, $406 $6,638 and $833, respectively. See Note 2. Summary of Significant Accounting Policies, for details.
[39] Investment is on non-accrual status. See Note 3. Investments, for details.
[40] The Company holds one security purchased under a collateralized agreement to resell on its Consolidated Statement of Assets and Liabilities with a cost basis of $30,000 and a fair value of $13,500 as of December 31, 2024. See Note 2. Summary of Significant Accounting Policies, for details.
[41] Investment is held by NMF Permian Holdings, LLC.
[42] Investment is held by NMF Permian Holdings, LLC.