v3.26.1
Consolidated Schedule of Investments - Affiliates Rollforward (Parenthetical) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [1],[2] $ 16,470,893,000    
Net change in unrealized gain (loss) (98,231,000) $ 192,434,000  
Realized Gains (Losses) (84,905,000) (151,932,000)  
Ending balance 15,344,201,000 [3],[4]   $ 16,470,893,000 [1],[2]
Dividend Income 14,905,000 13,493,000  
Controlled, affiliated investments      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 2,361,646,000 1,508,028,000 1,508,028,000
Gross Additions [5] 102,012,000   754,725,000
Gross Reductions [6] (106,225,000)   (153,489,000)
Net change in unrealized gain (loss) 42,430,000 (3,390,000) 93,494,000
Realized Gains (Losses) (56,356,000) 0 65,000
Transfers     158,824,000
Ending balance 2,343,507,000   2,361,646,000
Interest and PIK Income 12,156,000   40,237,000
Dividend Income 38,189,000 35,005,000 146,337,000
Other income 203,000 23,000 127,000
Non-controlled, affiliated investments      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 114,192,000 235,060,000 235,060,000
Gross Additions [5] 53,223,000   106,712,000
Gross Reductions [6] (1,954,000)   (7,733,000)
Net change in unrealized gain (loss) 23,764,000 (700,000) (61,023,000)
Realized Gains (Losses) (39,222,000) 0 0
Transfers     (158,824,000)
Ending balance 150,003,000   114,192,000
Interest and PIK Income 480,000   4,520,000
Dividend Income 3,195,000 0 961,000
Other income 26,000 36,000 122,000
Investment, Identifier [Axis]: AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC | Specialty finance debt investment | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [7],[8],[9],[10],[11] 68,514,000    
Ending balance 70,069,000 [12],[13],[14],[15],[16]   68,514,000 [7],[8],[9],[10],[11]
Investment, Identifier [Axis]: AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC | Specialty finance equity investment      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC | Specialty finance equity investment 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC | Specialty finance equity investment | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[10],[11],[19],[20],[21] 40,556,000    
Ending balance 38,790,000 [12],[13],[14],[15],[16],[22],[23]   40,556,000 [8],[9],[10],[11],[19],[20],[21]
Investment, Identifier [Axis]: AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC(d)      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [24] 109,070,000 75,111,000 75,111,000
Gross Additions [5],[24] 2,546,000   29,227,000
Gross Reductions [6],[24] 0   (1,290,000)
Net change in unrealized gain (loss) [24] (2,757,000)   6,022,000
Realized Gains (Losses) [24] 0   0
Transfers [24]     0
Ending balance [24] 108,859,000   109,070,000
Interest and PIK Income [24] 2,061,000   7,359,000
Dividend Income [24] 0   0
Other income [24] 0   0
Investment, Identifier [Axis]: AAM Series 2.1 Aviation Feeder, LLC | Specialty finance debt investment | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [7],[8],[9],[10],[11] 88,783,000    
Ending balance 89,529,000 [12],[13],[14],[15],[16]   88,783,000 [7],[8],[9],[10],[11]
Investment, Identifier [Axis]: AAM Series 2.1 Aviation Feeder, LLC | Specialty finance equity investment | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[10],[11],[19],[21] 54,374,000    
Ending balance 53,868,000 [12],[13],[15],[16],[23],[25]   54,374,000 [8],[9],[10],[11],[19],[21]
Investment, Identifier [Axis]: AAM Series 2.1 Aviation Feeder, LLC(d)      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [24] 143,157,000 77,680,000 77,680,000
Gross Additions [5],[24] 2,780,000   55,580,000
Gross Reductions [6],[24] (286,000)   (2,911,000)
Net change in unrealized gain (loss) [24] (2,254,000)   12,808,000
Realized Gains (Losses) [24] 0   0
Transfers [24]     0
Ending balance [24] 143,397,000   143,157,000
Interest and PIK Income [24] 2,669,000   8,741,000
Dividend Income [24] 0   0
Other income [24] 0   0
Investment, Identifier [Axis]: ABB/Con-cise Optical Group LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 64,144,000    
Ending balance 64,144,000 [12],[15],[27]   64,144,000 [8],[9],[26]
Investment, Identifier [Axis]: AI Titan Parent, Inc. (dba Prometheus Group) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: AI Titan Parent, Inc. (dba Prometheus Group) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[28] 7,802,000    
Ending balance 7,621,000 [12],[15],[22],[29]   7,802,000 [8],[9],[20],[28]
Investment, Identifier [Axis]: AI Titan Parent, Inc. (dba Prometheus Group) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (9,000)    
Ending balance (28,000) [17]   (9,000) [18]
Investment, Identifier [Axis]: ASP Conair Holdings LP | Class A Units | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[19],[21] 1,195,000    
Ending balance 572,000 [12],[15],[23],[25]   1,195,000 [8],[9],[19],[21]
Investment, Identifier [Axis]: AWP Group Holdings, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[28] 957,000    
Ending balance 977,000 [12],[15],[22],[27]   957,000 [8],[9],[20],[28]
Investment, Identifier [Axis]: AWP Group Holdings, Inc. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Accelerate Topco Holdings, LLC | Common Units | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[19],[21] 249,000    
Ending balance 212,000 [12],[15],[23],[25]   249,000 [8],[9],[19],[21]
Investment, Identifier [Axis]: Advancion Holdings, LLC (fka Aruba Investments Holdings, LLC) | Second lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 14,726,000    
Ending balance 14,809,000 [12],[15],[27]   14,726,000 [8],[9],[28]
Investment, Identifier [Axis]: Aerosmith Bidco 1 Limited (dba Audiotonix) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Aerosmith Bidco 1 Limited (dba Audiotonix) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[26] 208,759,000    
Ending balance 199,201,000 [12],[15],[16],[27]   208,759,000 [8],[9],[11],[26]
Investment, Identifier [Axis]: Aerosmith Bidco 1 Limited (dba Audiotonix) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Aerosmith Bidco 1 Limited (dba Audiotonix) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Allied Benefit Systems Intermediate LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 6,846,000    
Ending balance 5,167,000 [12],[15],[27]   6,846,000 [8],[9],[26]
Investment, Identifier [Axis]: AlphaSense, Inc. | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (1,000) [17]   0 [18]
Investment, Identifier [Axis]: AlphaSense, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 705,000    
Ending balance 701,000 [12],[15],[27]   705,000 [8],[9],[26]
Investment, Identifier [Axis]: AlphaSense, LLC | Series E Preferred Shares | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[19],[21] 211,000    
Ending balance 258,000 [12],[15],[23],[25]   211,000 [8],[9],[19],[21]
Investment, Identifier [Axis]: Amergin Asset Management, LLC | Specialty finance equity investment | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[19],[21] 2,137,000    
Ending balance 1,969,000 [12],[15],[23],[25]   2,137,000 [8],[9],[19],[21]
Investment, Identifier [Axis]: AmeriLife Holdings LLC | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: AmeriLife Holdings LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 13,188,000    
Ending balance 13,088,000 [12],[15],[22],[27]   13,188,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: AmeriLife Holdings LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: AmeriLife Holdings LLC | First lien senior secured revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: AmeriLife Holdings LLC | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 162,000    
Ending balance 157,000 [12],[15],[22],[27]   162,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: Anaplan, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 64,180,000    
Ending balance 62,164,000 [12],[15],[27]   64,180,000 [8],[9],[26]
Investment, Identifier [Axis]: Anaplan, Inc. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Anaplan, Inc. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] (261,000)    
Investment, Identifier [Axis]: Applied Composites Holdings, LLC (fka AC&A Enterprises Holdings, LLC) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 21,467,000    
Ending balance 24,031,000 [12],[15],[27]   21,467,000 [8],[9],[26]
Investment, Identifier [Axis]: Applied Composites Holdings, LLC (fka AC&A Enterprises Holdings, LLC) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Applied Composites Holdings, LLC (fka AC&A Enterprises Holdings, LLC)| First lien senior secured multi-currency revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Aptean Acquiror, Inc. (dba Aptean) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 19,226,000    
Ending balance 18,854,000 [12],[15],[22],[27]   19,226,000 [8],[9],[26]
Investment, Identifier [Axis]: Aptean Acquiror, Inc. (dba Aptean) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Aptean Acquiror, Inc. (dba Aptean) | First lien senior secured revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Aptean Acquiror, Inc. (dba Aptean) | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[28] 437,000    
Ending balance [8],[9],[20],[28]     437,000
Investment, Identifier [Axis]: Arctic Holdco, LLC (dba Novvia Group) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Arctic Holdco, LLC (dba Novvia Group) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 101,369,000    
Ending balance 98,304,000 [12],[15],[22],[27]   101,369,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: Arctic Holdco, LLC (dba Novvia Group) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Arctic Holdco, LLC (dba Novvia Group) | First lien senior secured revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Arctic Holdco, LLC (dba Novvia Group) | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 1,304,000    
Ending balance 2,289,000 [12],[15],[22],[27]   1,304,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: Arctic US Bidco, Inc. (dba ThermoSafe) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (52,000)    
Ending balance (104,000) [17]   (52,000) [18]
Investment, Identifier [Axis]: Arctic US Bidco, Inc. (dba ThermoSafe) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 34,549,000    
Ending balance 34,792,000 [12],[15],[22],[27]   34,549,000 [8],[9],[26]
Investment, Identifier [Axis]: Arctic US Bidco, Inc. (dba ThermoSafe) | First lien senior secured multi-currency revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (35,000)    
Ending balance [18]     (35,000)
Investment, Identifier [Axis]: Arctic US Bidco, Inc. (dba ThermoSafe) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Armstrong Bidco Limited | First lien senior secured GBP term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[30] 3,961,000    
Ending balance 3,786,000 [12],[15],[16],[31]   3,961,000 [8],[9],[11],[30]
Investment, Identifier [Axis]: Artifact Bidco, Inc. (dba Avetta) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (15,000) [17]   0 [18]
Investment, Identifier [Axis]: Artifact Bidco, Inc. (dba Avetta) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 12,011,000    
Ending balance 11,890,000 [12],[15],[27]   12,011,000 [8],[9],[26]
Investment, Identifier [Axis]: Artifact Bidco, Inc. (dba Avetta) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (21,000) [17]   0 [18]
Investment, Identifier [Axis]: Ascend Buyer, LLC (dba PPC Flexible Packaging) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 72,236,000    
Ending balance 70,832,000 [12],[15],[22],[27]   72,236,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: Ascend Buyer, LLC (dba PPC Flexible Packaging) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Associations Finance, Inc. | Unsecured notes | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [7],[8],[9] 202,868,000    
Ending balance 204,040,000 [12],[14],[15]   202,868,000 [7],[8],[9]
Investment, Identifier [Axis]: Associations, Inc. | First lien senior secured delayed draw term loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Associations, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 446,001,000    
Ending balance 428,329,000 [12],[15],[22],[27]   446,001,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: Associations, Inc. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Atlanta Custom Windows, LLC      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 11,500,000    
Ending balance 11,500,000   11,500,000
Investment, Identifier [Axis]: Aurelia Netherlands B.V. | First lien senior secured EUR term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[32] 75,325,000    
Ending balance 73,897,000 [12],[15],[16],[33]   75,325,000 [8],[9],[11],[32]
Investment, Identifier [Axis]: Azurite Intermediate Holdings, Inc. (dba Alteryx, Inc.) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 15,817,000    
Ending balance 15,422,000 [12],[15],[29]   15,817,000 [8],[9],[28]
Investment, Identifier [Axis]: Azurite Intermediate Holdings, Inc. (dba Alteryx, Inc.) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (44,000) [17]   0 [18]
Investment, Identifier [Axis]: BCPE Osprey Buyer, Inc. (dba PartsSource) | First lien senior secured delayed draw term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 34,989,000    
Ending balance 49,162,000 [12],[15],[22],[29]   34,989,000 [8],[9],[28]
Investment, Identifier [Axis]: BCPE Osprey Buyer, Inc. (dba PartsSource) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 160,011,000    
Ending balance 176,367,000 [12],[15],[27]   160,011,000 [8],[9],[26]
Investment, Identifier [Axis]: BCPE Osprey Buyer, Inc. (dba PartsSource) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: BCPE Osprey Buyer, Inc. (dba PartsSource) | First lien senior secured revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: BCPE Osprey Buyer, Inc. (dba PartsSource) | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[28] 14,409,000    
Ending balance [8],[9],[20],[28]     14,409,000
Investment, Identifier [Axis]: BCTO BSI Buyer, Inc. (dba Buildertrend) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 70,843,000    
Ending balance [8],[9],[26]     70,843,000
Investment, Identifier [Axis]: BCTO BSI Buyer, Inc. (dba Buildertrend) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: BCTO WIW Holdings, Inc. (dba When I Work) | Senior convertible notes | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [7],[8],[9] 4,694,000    
Ending balance [7],[8],[9]     4,694,000
Investment, Identifier [Axis]: BCTO WIW Holdings, Inc. (dba When I Work)| Senior convertible notes | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[14],[15] 4,694,000    
Investment, Identifier [Axis]: BEHP Co-Investor II, L.P. | LP Interest | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[19],[21] 1,834,000    
Ending balance 1,277,000 [12],[15],[16],[23],[25]   1,834,000 [8],[9],[11],[19],[21]
Investment, Identifier [Axis]: BP Veraison Buyer, LLC (dba Sun World) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 137,357,000    
Ending balance 137,001,000 [12],[15],[27]   137,357,000 [8],[9],[26]
Investment, Identifier [Axis]: BP Veraison Buyer, LLC (dba Sun World) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 87,280,000    
Ending balance 81,378,000 [12],[15],[29]   87,280,000 [8],[9],[28]
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Balrog Acquisition, Inc. (dba Bakemark) | Second lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 22,540,000    
Ending balance 17,220,000 [12],[15],[29]   22,540,000 [8],[9],[28]
Investment, Identifier [Axis]: Bamboo US BidCo LLC | First lien senior secured EUR term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[32] 5,475,000    
Ending balance 5,358,000 [12],[15],[33]   5,475,000 [8],[9],[32]
Investment, Identifier [Axis]: Bamboo US BidCo LLC | First lien senior secured delayed draw term loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Bamboo US BidCo LLC | First lien senior secured delayed draw term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[28] 856,000    
Ending balance [8],[9],[20],[28]     856,000
Investment, Identifier [Axis]: Bamboo US BidCo LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 9,663,000    
Ending balance 10,668,000 [12],[15],[27]   9,663,000 [8],[9],[26]
Investment, Identifier [Axis]: Bamboo US BidCo LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Bamboo US BidCo LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Barracuda Parent, LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[26] 10,225,000    
Ending balance 7,991,000 [12],[27]   10,225,000 [8],[26]
Investment, Identifier [Axis]: Baypine Commander Co-Invest, LP | LP Interest | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[19],[21] 3,360,000    
Ending balance 3,360,000 [12],[15],[16],[23],[25]   3,360,000 [8],[9],[11],[19],[21]
Investment, Identifier [Axis]: Bayshore Intermediate #2, L.P. (dba Boomi) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 88,925,000    
Ending balance 87,764,000 [12],[15],[27]   88,925,000 [8],[9],[26]
Investment, Identifier [Axis]: Bayshore Intermediate #2, L.P. (dba Boomi) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Bayshore Intermediate #2, L.P. (dba Boomi) | First lien senior secured revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Bayshore Intermediate #2, L.P. (dba Boomi) | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 1,832,000    
Ending balance 1,684,000 [12],[15],[22],[27]   1,832,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: Belmont Buyer, Inc. (dba Valenz) | First lien senior secured loan 1 | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 4,454,000    
Ending balance 4,500,000 [12],[15],[22],[27]   4,454,000 [8],[9],[26]
Investment, Identifier [Axis]: Belmont Buyer, Inc. (dba Valenz) | First lien senior secured loan 2 | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 3,121,000    
Ending balance 3,097,000 [12],[15],[27]   3,121,000 [8],[9],[26]
Investment, Identifier [Axis]: Belmont Buyer, Inc. (dba Valenz) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Bird Holding B.V. (fka MessageBird Holding B.V.) | Extended Series C Warrants | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[19],[21] 166,000    
Ending balance 109,000 [12],[15],[16],[23],[25]   166,000 [8],[9],[11],[19],[21]
Investment, Identifier [Axis]: Blast Bidco Inc. (dba Bazooka Candy Brands) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 37,394,000    
Ending balance 37,299,000 [12],[15],[27]   37,394,000 [8],[9],[26]
Investment, Identifier [Axis]: Blast Bidco Inc. (dba Bazooka Candy Brands) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Blend Labs, Inc. | Warrants | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[19],[21] 1,000    
Ending balance 2,000 [12],[15],[23],[25]   1,000 [8],[9],[19],[21]
Investment, Identifier [Axis]: Blue Owl Credit SLF LLC | LLC Interest | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[10],[11],[21],[34],[35] 415,248,000    
Ending balance 388,027,000 [12],[13],[16],[23],[36],[37]   415,248,000 [8],[10],[11],[21],[34],[35]
Investment, Identifier [Axis]: Blue Owl Credit SLF LLC(c)      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [38] 415,248,000 295,476,000 295,476,000
Gross Additions [5],[38] 5,736,000   127,929,000
Gross Reductions [6],[38] 0   0
Net change in unrealized gain (loss) [38] (32,957,000)   (8,157,000)
Realized Gains (Losses) [38] 0   0
Transfers [38]     0
Ending balance [38] 388,027,000   415,248,000
Interest and PIK Income [38] 0   0
Dividend Income [38] 8,863,000   41,392,000
Other income [38] 0   0
Investment, Identifier [Axis]: Blue Owl Cross-Strategy Opportunities 2025-1 LLC (fka Blue Owl Cross-Strategy Opportunities LLC)      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 61,927,000    
Gross Additions [5] 50,231,000    
Gross Reductions [6] 0    
Net change in unrealized gain (loss) (514,000)    
Realized Gains (Losses) 0    
Ending balance 111,644,000   61,927,000
Interest and PIK Income 0    
Dividend Income 3,195,000    
Other income 0    
Investment, Identifier [Axis]: Blue Owl Cross-Strategy Opportunities LLC      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 61,927,000 0 0
Gross Additions [5]     62,042,000
Gross Reductions [6]     0
Net change in unrealized gain (loss)     (115,000)
Realized Gains (Losses)     0
Transfers     0
Ending balance     61,927,000
Interest and PIK Income     0
Dividend Income     406,000
Other income     0
Investment, Identifier [Axis]: Blue Owl Cross-Strategy Opportunities LLC | Specialty finance equity investment | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[10],[11],[21],[34],[35],[39] 61,927,000    
Ending balance 111,644,000 [12],[13],[16],[23],[36],[37],[40]   61,927,000 [8],[10],[11],[21],[34],[35],[39]
Investment, Identifier [Axis]: Blue Owl Leasing LLC | LLC Interest | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[10],[11],[21],[34],[35] 857,000    
Ending balance 856,000 [12],[13],[14],[16],[23],[36],[37]   857,000 [8],[10],[11],[21],[34],[35]
Investment, Identifier [Axis]: Blue Owl Leasing LLC(c)      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [38] 857,000 0 0
Gross Additions [5],[38] 0   860,000
Gross Reductions [6],[38] 0   0
Net change in unrealized gain (loss) [38] (1,000)   (3,000)
Realized Gains (Losses) [38] 0   0
Transfers [38]     0
Ending balance [38] 856,000   857,000
Interest and PIK Income [38] 0   0
Dividend Income [38] 0   0
Other income [38] 0   0
Investment, Identifier [Axis]: Brightway Holdings, LLC | First lien senior secured delayed draw term loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Brightway Holdings, LLC | First lien senior secured delayed draw term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 17,919,000    
Ending balance 632,000 [12],[15],[22],[29]   17,919,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: Brightway Holdings, LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[28] 52,568,000    
Ending balance 51,150,000 [12],[15],[27]   52,568,000 [8],[9],[20],[28]
Investment, Identifier [Axis]: Brightway Holdings, LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (13,000) [17]   0 [18]
Investment, Identifier [Axis]: Bristol Hospice L.L.C. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 41,993,000    
Ending balance 41,888,000 [12],[15],[29]   41,993,000 [8],[9],[26]
Investment, Identifier [Axis]: Bristol Hospice L.L.C. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Brooklyn Lender Co-Invest 2, L.P. (dba Boomi) | Common Units | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[19],[21] 15,495,000    
Ending balance 13,217,000 [12],[15],[23],[25]   15,495,000 [8],[9],[19],[21]
Investment, Identifier [Axis]: By Light Professional IT Services LLC (dba Buildertrend) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[29] 42,709,000    
Investment, Identifier [Axis]: By Light Professional IT Services LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 41,318,000    
Ending balance [8],[9],[28]     41,318,000
Investment, Identifier [Axis]: By Light Professional IT Services LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (48,000)    
Ending balance (103,000) [17]   (48,000) [18]
Investment, Identifier [Axis]: CCM Midco, LLC (f/k/a Cresset Capital Management, LLC) | First lien senior secured delayed draw term loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: CCM Midco, LLC (f/k/a Cresset Capital Management, LLC) | First lien senior secured delayed draw term loan 2      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: CCM Midco, LLC (f/k/a Cresset Capital Management, LLC) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[28] 39,660,000    
Ending balance 39,559,000 [12],[15],[22],[29]   39,660,000 [8],[9],[20],[28]
Investment, Identifier [Axis]: CCM Midco, LLC (f/k/a Cresset Capital Management, LLC) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: CD&R Value Building Partners I, L.P. (dba Belron) | LP Interest | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[11],[19],[21],[34] 98,478,000    
Ending balance 103,822,000 [12],[16],[23],[25],[36]   98,478,000 [8],[11],[19],[21],[34]
Investment, Identifier [Axis]: CHA Vision Holdings, Inc. (fka FR Vision Holdings, Inc.) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: CHA Vision Holdings, Inc. (fka FR Vision Holdings, Inc.) | First lien senior secured delayed draw term loan 2      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: CHA Vision Holdings, Inc. (fka FR Vision Holdings, Inc.) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 54,882,000    
Ending balance 51,057,000 [12],[15],[22],[27]   54,882,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: CHA Vision Holdings, Inc. (fka FR Vision Holdings, Inc.) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: CMG HoldCo, LLC (dba Crete United) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (1,000)    
Ending balance [18]     (1,000)
Investment, Identifier [Axis]: CMG HoldCo, LLC (dba Crete United) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] (12,000)    
Investment, Identifier [Axis]: CMG HoldCo, LLC (dba Crete United) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[41] 1,285,000    
Ending balance 1,313,000 [12],[15],[22],[42]   1,285,000 [8],[9],[20],[41]
Investment, Identifier [Axis]: CMG HoldCo, LLC (dba Crete United) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (1,000)    
Ending balance 0 [17]   (1,000) [18]
Investment, Identifier [Axis]: CP PIK DEBT ISSUER, LLC (dba CivicPlus, LLC) | Unsecured notes | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[41] 21,389,000    
Ending balance 20,854,000 [12],[15],[27]   21,389,000 [8],[9],[41]
Investment, Identifier [Axis]: CSC MKG Topco LLC (dba Medical Knowledge Group) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 4,955,000    
Ending balance 4,606,000 [12],[15],[29]   4,955,000 [8],[9],[28]
Investment, Identifier [Axis]: CT Technologies Intermediate Holdings, Inc. (& Smart Holdings Corp.) (dba Datavant) | First lien senior secured delayed draw term loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: CT Technologies Intermediate Holdings, Inc. (& Smart Holdings Corp.) (dba Datavant) | First lien senior secured delayed draw term loan 2      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (4,000)    
Ending balance (7,000) [17]   (4,000) [18]
Investment, Identifier [Axis]: CT Technologies Intermediate Holdings, Inc. (& Smart Holdings Corp.) (dba Datavant) | First lien senior secured loan 1 | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[28] 88,979,000    
Ending balance 87,262,000 [12],[15],[22],[29]   88,979,000 [8],[9],[20],[28]
Investment, Identifier [Axis]: CT Technologies Intermediate Holdings, Inc. (& Smart Holdings Corp.) (dba Datavant) | First lien senior secured loan 2 | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 12,845,000    
Ending balance 12,599,000 [12],[15],[29]   12,845,000 [8],[9],[28]
Investment, Identifier [Axis]: CT Technologies Intermediate Holdings, Inc. (& Smart Holdings Corp.) (dba Datavant) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (38,000) [17]   0 [18]
Investment, Identifier [Axis]: Cambrex Corporation | First lien senior secured delayed draw term loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Cambrex Corporation | First lien senior secured delayed draw term loan 2      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Cambrex Corporation | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[28] 785,000    
Ending balance 914,000 [12],[15],[22],[29]   785,000 [8],[9],[20],[28]
Investment, Identifier [Axis]: Cambrex Corporation | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Capital Integration Systems LLC (dba CAIS) | Class D Common Units | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[23],[25] 5,000,000    
Investment, Identifier [Axis]: Catalis Intermediate, Inc. (fka GovBrands Intermediate, Inc.) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 22,070,000    
Ending balance 21,114,000 [12],[15],[22],[27]   22,070,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: Catalis Intermediate, Inc. (fka GovBrands Intermediate, Inc.) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: CivicPlus, LLC | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: CivicPlus, LLC | First lien senior secured delayed draw term loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: CivicPlus, LLC | First lien senior secured delayed draw term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 9,611,000    
Ending balance [8],[9],[20],[26]     9,611,000
Investment, Identifier [Axis]: CivicPlus, LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 70,616,000    
Ending balance 76,961,000 [12],[15],[22],[27]   70,616,000 [8],[9],[26]
Investment, Identifier [Axis]: CivicPlus, LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (132,000) [17]   0 [18]
Investment, Identifier [Axis]: Commander Buyer, Inc. (dba CenExel) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Commander Buyer, Inc. (dba CenExel) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 56,102,000    
Ending balance 55,681,000 [12],[15],[29]   56,102,000 [8],[9],[26]
Investment, Identifier [Axis]: Commander Buyer, Inc. (dba CenExel) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (51,000) [17]   0 [18]
Investment, Identifier [Axis]: Conair Holdings LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[28] 6,360,000    
Ending balance 8,610,000 [12],[29]   6,360,000 [8],[28]
Investment, Identifier [Axis]: Conair Holdings LLC | Second lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 72,727,000    
Ending balance 96,970,000 [12],[15],[29]   72,727,000 [8],[9],[28]
Investment, Identifier [Axis]: Confluent Health, LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 4,434,000    
Ending balance 4,239,000 [12],[15],[29]   4,434,000 [8],[9],[28]
Investment, Identifier [Axis]: Continental Finance Company, LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 7,444,000    
Ending balance 7,425,000 [12],[15],[29]   7,444,000 [8],[9],[28]
Investment, Identifier [Axis]: Controlled/affiliated - debt commitments, First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17]    
Investment, Identifier [Axis]: CoolSys, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[26] 10,430,000    
Ending balance 9,905,000 [12],[27]   10,430,000 [8],[26]
Investment, Identifier [Axis]: Cornerstone OnDemand, Inc. | Second lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 144,375,000    
Ending balance 109,083,000 [12],[15],[29]   144,375,000 [8],[9],[28]
Investment, Identifier [Axis]: Coupa Holdings, LLC | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Coupa Holdings, LLC | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] (5,000)    
Investment, Identifier [Axis]: Coupa Holdings, LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 1,547,000    
Ending balance 1,481,000 [12],[15],[27]   1,547,000 [8],[9],[26]
Investment, Identifier [Axis]: Coupa Holdings, LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (4,000) [17]   0 [18]
Investment, Identifier [Axis]: Covetrus, Inc. | Second lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 29,025,000    
Ending balance 30,000,000 [12],[15],[27]   29,025,000 [8],[9],[26]
Investment, Identifier [Axis]: Creek Parent, Inc. (dba Catalent) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 112,801,000    
Ending balance 112,234,000 [12],[15],[29]   112,801,000 [8],[9],[28]
Investment, Identifier [Axis]: Creek Parent, Inc. (dba Catalent) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (82,000)    
Ending balance (123,000) [17]   (82,000) [18]
Investment, Identifier [Axis]: Crewline Buyer, Inc. (dba New Relic) | First lien senior secured delayed draw term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[22],[27] 143,142,000    
Investment, Identifier [Axis]: Crewline Buyer, Inc. (dba New Relic) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 147,108,000    
Ending balance [8],[9],[26]     147,108,000
Investment, Identifier [Axis]: Crewline Buyer, Inc. (dba New Relic) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (112,000)    
Ending balance (368,000) [17]   (112,000) [18]
Investment, Identifier [Axis]: DCG ACQUISITION CORP. (dba DuBois Chemical) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: DCG ACQUISITION CORP. (dba DuBois Chemical) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 80,569,000    
Ending balance 78,035,000 [12],[15],[22],[27]   80,569,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: DCG ACQUISITION CORP. (dba DuBois Chemical) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (122,000)    
Ending balance (148,000) [17]   (122,000) [18]
Investment, Identifier [Axis]: Deerfield Dakota Holdings | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 116,275,000    
Ending balance 115,700,000 [12],[15],[27]   116,275,000 [8],[9],[26]
Investment, Identifier [Axis]: Deerfield Dakota Holdings | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (54,000)    
Ending balance 0 [17]   (54,000) [18]
Investment, Identifier [Axis]: Deerfield Dakota Holdings | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[22] 2,099,000    
Investment, Identifier [Axis]: Delinea Buyer, Inc. (f/k/a Centrify) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 87,526,000    
Ending balance [8],[9],[26]     87,526,000
Investment, Identifier [Axis]: Delinea Buyer, Inc. (f/k/a Centrify) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Denali Intermediate Holdings, Inc. (dba Dun & Bradstreet) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 76,204,000    
Ending balance 75,434,000 [12],[15],[29]   76,204,000 [8],[9],[28]
Investment, Identifier [Axis]: Denali Intermediate Holdings, Inc. (dba Dun & Bradstreet) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (116,000)    
Ending balance (174,000) [17]   (116,000) [18]
Investment, Identifier [Axis]: Diamond Mezzanine 24 LLC (dba United Risk) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 24,922,000    
Ending balance 25,099,000 [12],[15],[27]   24,922,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: Diamond Mezzanine 24 LLC (dba United Risk) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Dodge Construction Network Holdings, L.P. | Class A-2 Common Units | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[19],[21] 314,000    
Ending balance 224,000 [12],[15],[23],[25]   314,000 [8],[9],[19],[21]
Investment, Identifier [Axis]: Dodge Construction Network Holdings, L.P. | Series A Preferred Units | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [7],[8],[9],[21] 32,000    
Ending balance 30,000 [12],[15],[23],[27]   32,000 [7],[8],[9],[21]
Investment, Identifier [Axis]: Dresser Utility Solutions, LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 79,931,000    
Ending balance 74,243,000 [12],[15],[29]   79,931,000 [8],[9],[28]
Investment, Identifier [Axis]: Dresser Utility Solutions, LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Dresser Utility Solutions, LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: DuraServ LLC | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (145,000)    
Ending balance [18]     (145,000)
Investment, Identifier [Axis]: DuraServ LLC | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] (355,000)    
Investment, Identifier [Axis]: DuraServ LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 130,092,000    
Ending balance 126,039,000 [12],[15],[29]   130,092,000 [8],[9],[28]
Investment, Identifier [Axis]: DuraServ LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: DuraServ LLC | First lien senior secured revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: DuraServ LLC | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[28] 2,217,000    
Ending balance 6,026,000 [12],[15],[22],[29]   2,217,000 [8],[9],[20],[28]
Investment, Identifier [Axis]: EET Buyer, Inc. (dba e-Emphasys) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 23,187,000    
Ending balance 22,780,000 [12],[15],[42]   23,187,000 [8],[9],[26]
Investment, Identifier [Axis]: EET Buyer, Inc. (dba e-Emphasys) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (36,000) [17]   0 [18]
Investment, Identifier [Axis]: EOS Finco S.A.R.L (dba Netceed) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: EOS Finco S.A.R.L (dba Netceed) | First lien senior secured delayed draw term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[16],[22],[43] 623,000    
Investment, Identifier [Axis]: EOS Finco S.A.R.L (dba Netceed) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[16],[42] 6,199,000    
Investment, Identifier [Axis]: EOS Finco S.A.R.L | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[11],[26],[44] 9,820,000    
Ending balance [8],[11],[26],[44]     9,820,000
Investment, Identifier [Axis]: Eagle Family Foods Group LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[41] 2,427,000    
Ending balance 1,704,000 [12],[15],[42]   2,427,000 [8],[9],[41]
Investment, Identifier [Axis]: Eagle Family Foods Group LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (1,000) [17]   0 [18]
Investment, Identifier [Axis]: Eagle Infrastructure Services, LLC      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 145,522,000 111,801,000 111,801,000
Gross Additions [5] 89,000   349,000
Gross Reductions [6] 0   0
Net change in unrealized gain (loss) 26,498,000   33,372,000
Realized Gains (Losses) 0   0
Transfers     0
Ending balance 172,109,000   145,522,000
Interest and PIK Income 2,556,000   10,824,000
Dividend Income 1,462,000   4,738,000
Other income 13,000   50,000
Investment, Identifier [Axis]: Eagle Infrastructure Services, LLC | Common Units | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [9],[10],[19],[21] 58,384,000    
Ending balance 84,971,000 [13],[15],[23],[25]   58,384,000 [9],[10],[19],[21]
Investment, Identifier [Axis]: Eagle Infrastructure Services, LLC | First lien senior secured loan | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [9],[10],[26] 87,138,000    
Ending balance 87,138,000 [13],[15],[27]   87,138,000 [9],[10],[26]
Investment, Identifier [Axis]: Einstein Parent, Inc. (dba Smartsheet) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 43,061,000    
Ending balance 42,302,000 [12],[15],[27]   43,061,000 [8],[9],[26]
Investment, Identifier [Axis]: Einstein Parent, Inc. (dba Smartsheet) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (34,000)    
Ending balance [18]     (34,000)
Investment, Identifier [Axis]: Einstein Parent, Inc. (dba Smartsheet) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] (112,000)    
Investment, Identifier [Axis]: Elliott Alto Co-Investor Aggregator L.P. | LP Interest | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[19],[21] 13,787,000    
Ending balance 11,832,000 [12],[15],[16],[23],[25]   13,787,000 [8],[9],[11],[19],[21]
Investment, Identifier [Axis]: Endries Acquisition, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 126,763,000    
Ending balance 116,491,000 [12],[15],[29]   126,763,000 [8],[9],[28]
Investment, Identifier [Axis]: Engage Debtco Limited | First lien senior secured delayed draw term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[26] 494,000    
Ending balance [8],[9],[11],[26]     494,000
Investment, Identifier [Axis]: Engage Debtco Limited | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[26] 1,521,000    
Ending balance 1,959,000 [12],[15],[16],[27]   1,521,000 [8],[9],[11],[26]
Investment, Identifier [Axis]: Equity NewCo S.A. (dba Netceed) | Common Equity | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[16],[23],[25] 152,000    
Investment, Identifier [Axis]: EresearchTechnology, Inc. (dba Clario) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: EresearchTechnology, Inc. (dba Clario) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 102,565,000    
Ending balance [8],[9],[28]     102,565,000
Investment, Identifier [Axis]: EresearchTechnology, Inc. (dba Clario) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Essential Services Holding Corporation (dba Turnpoint) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (64,000)    
Ending balance (111,000) [17]   (64,000) [18]
Investment, Identifier [Axis]: Essential Services Holding Corporation (dba Turnpoint) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 25,519,000    
Ending balance 24,530,000 [12],[15],[27]   25,519,000 [8],[9],[26]
Investment, Identifier [Axis]: Essential Services Holding Corporation (dba Turnpoint) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Essential Services Holding Corporation (dba Turnpoint) | First lien senior secured revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Essential Services Holding Corporation (dba Turnpoint) | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 1,218,000    
Ending balance 1,151,000 [12],[15],[22],[27]   1,218,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: Eternal Buyer, LLC (dba Wedgewood Weddings) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Eternal Buyer, LLC (dba Wedgewood Weddings) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 34,738,000    
Ending balance 34,651,000 [12],[15],[29]   34,738,000 [8],[9],[28]
Investment, Identifier [Axis]: Eternal Buyer, LLC (dba Wedgewood Weddings) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (35,000)    
Ending balance (35,000) [17]   (35,000) [18]
Investment, Identifier [Axis]: Evolution BuyerCo, Inc. (dba SIAA) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 941,000    
Ending balance 415,000 [12],[15],[27]   941,000 [8],[9],[26]
Investment, Identifier [Axis]: Evolution BuyerCo, Inc. (dba SIAA) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Evolution Parent, LP (dba SIAA) | LP Interest | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[19],[21] 6,685,000    
Ending balance 6,685,000 [12],[15],[23],[25]   6,685,000 [8],[9],[19],[21]
Investment, Identifier [Axis]: Ex Vivo Parent Inc. (dba OB Hospitalist) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 132,032,000    
Ending balance 129,523,000 [12],[15],[29]   132,032,000 [8],[9],[28]
Investment, Identifier [Axis]: FR Flow Control CB LLC (dba Trillium Flow Technologies) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: FR Flow Control CB LLC (dba Trillium Flow Technologies) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[26] 31,581,000    
Ending balance 31,659,000 [12],[15],[16],[27]   31,581,000 [8],[9],[11],[26]
Investment, Identifier [Axis]: FR Flow Control CB LLC (dba Trillium Flow Technologies) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Fairchester Custom Windows      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 7,600,000    
Ending balance 7,600,000   7,600,000
Investment, Identifier [Axis]: Faraday Buyer, LLC (dba MacLean Power Systems) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 148,849,000    
Ending balance [8],[9],[26]     148,849,000
Investment, Identifier [Axis]: Feradyne Outdoors, LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26],[44] 54,518,000    
Ending balance 50,571,000 [12],[15],[27],[45]   54,518,000 [8],[9],[26],[44]
Investment, Identifier [Axis]: Fiesta Purchaser, Inc. (dba Shearer's Foods) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Fiesta Purchaser, Inc. (dba Shearer's Foods) | First lien senior secured revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Fiesta Purchaser, Inc. (dba Shearer's Foods) | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 945,000    
Ending balance 1,753,000 [12],[22],[27]   945,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: Fifth Season Investments LLC      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 403,170,000 223,274,000 223,274,000
Gross Additions [5] 0   162,235,000
Gross Reductions [6] (101,056,000)   0
Net change in unrealized gain (loss) 1,034,000   17,661,000
Realized Gains (Losses) 0   0
Transfers     0
Ending balance 303,148,000   403,170,000
Interest and PIK Income 0   0
Dividend Income 8,587,000   37,727,000
Other income 0   0
Investment, Identifier [Axis]: Fifth Season Investments LLC | Specialty finance equity investment | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[10],[21] 403,170,000    
Ending balance 303,148,000 [12],[13],[15],[23]   403,170,000 [8],[9],[10],[21]
Investment, Identifier [Axis]: Finastra USA, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[26] 27,896,000    
Ending balance [8],[9],[11],[26]     27,896,000
Investment, Identifier [Axis]: Flexera Software LLC I First lien senior secured EUR term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[46] 5,954,000    
Investment, Identifier [Axis]: Flexera Software LLC | First lien senior secured EUR term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[47] 6,210,000    
Ending balance [8],[9],[47]     6,210,000
Investment, Identifier [Axis]: Flexera Software LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 17,519,000    
Ending balance 17,124,000 [12],[15],[27]   17,519,000 [8],[9],[26]
Investment, Identifier [Axis]: Flexera Software LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (3,000)    
Ending balance (34,000) [17]   (3,000) [18]
Investment, Identifier [Axis]: Fortis Solutions Group, LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 34,398,000    
Ending balance 34,222,000 [12],[15],[27]   34,398,000 [8],[9],[26]
Investment, Identifier [Axis]: Fortis Solutions Group, LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Fortis Solutions Group, LLC | First lien senior secured revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Fortis Solutions Group, LLC | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 981,000    
Ending balance 1,543,000 [12],[15],[22],[27]   981,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: Foundation Consumer Brands, LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 52,906,000    
Ending balance 48,312,000 [12],[15],[27]   52,906,000 [8],[9],[26]
Investment, Identifier [Axis]: Foundation Consumer Brands, LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (24,000)    
Ending balance (12,000) [17]   (24,000) [18]
Investment, Identifier [Axis]: GI Apple Midco LLC (dba Atlas Technical Consultants) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 911,000    
Ending balance 904,000 [12],[15],[29]   911,000 [8],[9],[28]
Investment, Identifier [Axis]: GI Apple Midco LLC (dba Atlas Technical Consultants) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: GI Apple Midco LLC (dba Atlas Technical Consultants) | First lien senior secured revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: GI Apple Midco LLC (dba Atlas Technical Consultants) | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[28] 48,000    
Ending balance 47,000 [12],[15],[22],[29]   48,000 [8],[9],[20],[28]
Investment, Identifier [Axis]: GI Ranger Intermediate, LLC (dba Rectangle Health) (dba Datavant) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[27] 22,848,000    
Investment, Identifier [Axis]: GI Ranger Intermediate, LLC (dba Rectangle Health) (dba Datavant) | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[22],[27] 674,000    
Investment, Identifier [Axis]: GI Ranger Intermediate, LLC (dba Rectangle Health) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 23,893,000    
Ending balance [8],[9],[26]     23,893,000
Investment, Identifier [Axis]: GI Ranger Intermediate, LLC (dba Rectangle Health) | First lien senior secured revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: GI Ranger Intermediate, LLC (dba Rectangle Health) | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 211,000    
Ending balance [8],[9],[20],[26]     211,000
Investment, Identifier [Axis]: GS Acquisitionco, Inc. (dba insightsoftware) I First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[46] 9,254,000    
Investment, Identifier [Axis]: GS Acquisitionco, Inc. (dba insightsoftware) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] (29,000)    
Investment, Identifier [Axis]: GS Acquisitionco, Inc. (dba insightsoftware) | First lien senior secured delayed draw term loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (7,000)    
Ending balance [18]     (7,000)
Investment, Identifier [Axis]: GS Acquisitionco, Inc. (dba insightsoftware) | First lien senior secured delayed draw term loan 2      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: GS Acquisitionco, Inc. (dba insightsoftware) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 9,482,000    
Ending balance [8],[9],[20],[26]     9,482,000
Investment, Identifier [Axis]: GS Acquisitionco, Inc. (dba insightsoftware) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Gainsight, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 32,919,000    
Ending balance 29,596,000 [12],[15],[27]   32,919,000 [8],[9],[26]
Investment, Identifier [Axis]: Gainsight, Inc. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (73,000) [17]   0 [18]
Investment, Identifier [Axis]: Galls, LLC | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Galls, LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 162,512,000    
Ending balance 153,068,000 [12],[15],[22],[27]   162,512,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: Galls, LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Galway Borrower LLC | First lien senior secured delayed draw term loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Galway Borrower LLC | First lien senior secured delayed draw term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 703,000    
Ending balance [8],[9],[20],[26]     703,000
Investment, Identifier [Axis]: Galway Borrower LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Garden State Custom Windows, LLC      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 33,400,000    
Ending balance 33,400,000   33,400,000
Investment, Identifier [Axis]: Gaylord Chemical Company, L.L.C. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 183,647,000    
Ending balance 179,735,000 [12],[15],[27]   183,647,000 [8],[9],[26]
Investment, Identifier [Axis]: Gaylord Chemical Company, L.L.C. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Gaylord Chemical Company, L.L.C. | First lien senior secured revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Gaylord Chemical Company, L.L.C. | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 10,605,000    
Ending balance [8],[9],[20],[26]     10,605,000
Investment, Identifier [Axis]: Gehl Foods, LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 105,116,000    
Ending balance 97,676,000 [12],[15],[27]   105,116,000 [8],[9],[26]
Investment, Identifier [Axis]: Gerson Lehrman Group, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 155,495,000    
Ending balance 147,049,000 [12],[15],[27]   155,495,000 [8],[9],[26]
Investment, Identifier [Axis]: Gerson Lehrman Group, Inc. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Gerson Lehrman Group, Inc. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] (133,000)    
Investment, Identifier [Axis]: Gloves Holdings, LP (dba Protective Industrial Products) | LP Interest | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[19],[21] 7,455,000    
Ending balance 7,433,000 [12],[15],[23],[25]   7,455,000 [8],[9],[19],[21]
Investment, Identifier [Axis]: GoHealth, Inc. | Common stock | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[19],[21] 0    
Ending balance [8],[9],[19],[21]     0
Investment, Identifier [Axis]: Granicus, Inc | First lien senior secured delayed draw term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[27] 2,588,000    
Investment, Identifier [Axis]: Granicus, Inc | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[27] 17,698,000    
Investment, Identifier [Axis]: Granicus, Inc. | First lien senior secured delayed draw term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 2,641,000    
Ending balance [8],[9],[26]     2,641,000
Investment, Identifier [Axis]: Granicus, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 17,873,000    
Ending balance [8],[9],[26]     17,873,000
Investment, Identifier [Axis]: Granicus, Inc. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Granicus, Inc. | First lien senior secured revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] (31,000)    
Investment, Identifier [Axis]: Greater Toronto Custom Windows, Corp.      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 10,000,000.0    
Ending balance 10,000,000.0   10,000,000.0
Investment, Identifier [Axis]: GrowthCurve Capital Sunrise Co-Invest LP (dba Brightway) | LP Interest | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[19],[21] 1,312,000    
Ending balance 1,175,000 [12],[15],[23],[25]   1,312,000 [8],[9],[19],[21]
Investment, Identifier [Axis]: Guidehouse Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 48,949,000    
Ending balance 47,843,000 [12],[15],[29]   48,949,000 [8],[9],[28]
Investment, Identifier [Axis]: H&F Opportunities LUX III S.À R.L (dba Checkmarx) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[28] 51,309,000    
Ending balance 16,203,000 [12],[15],[27]   51,309,000 [8],[9],[11],[28]
Investment, Identifier [Axis]: H&F Opportunities LUX III S.À R.L (dba Checkmarx) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (27,000) [17]   0 [18]
Investment, Identifier [Axis]: HGH Purchaser, Inc. (dba Horizon Services) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 179,760,000    
Ending balance 180,016,000 [12],[15],[27]   179,760,000 [8],[9],[26]
Investment, Identifier [Axis]: HGH Purchaser, Inc. (dba Horizon Services) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: HGH Purchaser, Inc. (dba Horizon Services) | First lien senior secured revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: HGH Purchaser, Inc. (dba Horizon Services) | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 9,517,000    
Ending balance 12,082,000 [12],[15],[22],[27]   9,517,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: Helix Acquisition Holdings, Inc. (dba MW Industries) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 939,000    
Ending balance 946,000 [12],[15],[29]   939,000 [8],[9],[28]
Investment, Identifier [Axis]: Hercules Borrower, LLC (dba The Vincit Group) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Hercules Borrower, LLC (dba The Vincit Group) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 127,350,000    
Ending balance 119,606,000 [12],[15],[27]   127,350,000 [8],[9],[26]
Investment, Identifier [Axis]: Hercules Borrower, LLC (dba The Vincit Group) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Hercules Buyer, LLC (dba The Vincit Group) | Common Units | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[19],[21],[48] 3,812,000    
Ending balance 4,004,000 [12],[15],[23],[25],[49]   3,812,000 [8],[9],[19],[21],[48]
Investment, Identifier [Axis]: Hercules Buyer, LLC (dba The Vincit Group) | Unsecured notes | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [7],[8],[9],[48] 9,117,000    
Ending balance 9,582,000 [12],[14],[15],[49]   9,117,000 [7],[8],[9],[48]
Investment, Identifier [Axis]: Hg Genesis 8 Sumoco Limited | Unsecured facility | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[16],[31] 4,961,000    
Investment, Identifier [Axis]: Hg Genesis 9 SumoCo Limited | Unsecured facility | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[32] 62,537,000    
Ending balance 44,603,000 [12],[15],[16],[33]   62,537,000 [8],[9],[11],[32]
Investment, Identifier [Axis]: Hg Saturn Luchaco Limited | Unsecured facility | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[30] 73,291,000    
Ending balance 71,127,000 [12],[15],[16],[31]   73,291,000 [8],[9],[11],[30]
Investment, Identifier [Axis]: Hissho Parent, LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 17,134,000    
Ending balance 16,464,000 [12],[15],[27]   17,134,000 [8],[9],[26]
Investment, Identifier [Axis]: Hissho Parent, LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Hissho Parent, LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Hissho Sushi Holdings, LLC | Class A Units | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[19],[21] 189,000    
Ending balance 189,000 [12],[15],[23],[25]   189,000 [8],[9],[19],[21]
Investment, Identifier [Axis]: Hockey Parent Holdings, L.P. | Class A Common Units | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[19],[21] 22,045,000    
Ending balance 22,045,000 [12],[15],[23],[25]   22,045,000 [8],[9],[19],[21]
Investment, Identifier [Axis]: Horizon Avionics Buyer, LLC (dba Acron Aviation) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (16,000)    
Ending balance (16,000) [17]   (16,000) [18]
Investment, Identifier [Axis]: Horizon Avionics Buyer, LLC (dba Acron Aviation) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 15,308,000    
Ending balance 15,946,000 [12],[15],[22],[27]   15,308,000 [8],[9],[26]
Investment, Identifier [Axis]: Horizon Avionics Buyer, LLC (dba Acron Aviation) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Horizon Avionics Buyer, LLC (dba Acron Aviation) | First lien senior secured revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Horizon Avionics Buyer, LLC (dba Acron Aviation) | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 612,000    
Ending balance [8],[9],[20],[26]     612,000
Investment, Identifier [Axis]: Hyland Software, Inc | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[27] 63,986,000    
Investment, Identifier [Axis]: Hyland Software, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 66,133,000    
Ending balance [8],[9],[26]     66,133,000
Investment, Identifier [Axis]: Hyland Software, Inc. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (96,000) [17]   0 [18]
Investment, Identifier [Axis]: IG Investments Holdings, LLC (dba Insight Global) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 117,139,000    
Ending balance 111,951,000 [12],[15],[27]   117,139,000 [8],[9],[26]
Investment, Identifier [Axis]: IG Investments Holdings, LLC (dba Insight Global) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: IRI Group Holdings, Inc. (f/k/a Circana Group, L.P. (f/k/a The NPD Group, L.P.)) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 42,404,000    
Ending balance 42,086,000 [12],[15],[27]   42,404,000 [8],[9],[28]
Investment, Identifier [Axis]: IRI Group Holdings, Inc. (f/k/a Circana Group, L.P. (f/k/a The NPD Group, L.P.)) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (30,000) [17]   0 [18]
Investment, Identifier [Axis]: Icefall Parent, Inc. (dba EngageSmart) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 4,197,000    
Ending balance 4,145,000 [12],[15],[27]   4,197,000 [8],[9],[26]
Investment, Identifier [Axis]: Icefall Parent, Inc. (dba EngageSmart) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (6,000) [17]   0 [18]
Investment, Identifier [Axis]: Ideal Image Development, LLC      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 1,398,000 16,183,000 16,183,000
Gross Additions [5] 2,873,000   27,789,000
Gross Reductions [6] (1,897,000)   (6,618,000)
Net change in unrealized gain (loss) 36,848,000   (35,956,000)
Realized Gains (Losses) (39,222,000)   0
Transfers     0
Ending balance 0   1,398,000
Interest and PIK Income 0   289,000
Dividend Income 0   0
Other income 0   27,000
Investment, Identifier [Axis]: Ideal Image Development, LLC | First lien senior secured loan | S | 0 | 0.065 | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[10],[20],[26],[44] 0    
Ending balance [8],[9],[10],[20],[26],[44]     0
Investment, Identifier [Axis]: Ideal Image Development, LLC | First lien senior secured revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Ideal Image Development, LLC | First lien senior secured revolving loan 2      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Ideal Image Development, LLC | First lien senior secured revolving loan | S | 0.06 | 0 | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[10],[20],[26],[44] 1,398,000    
Ending balance [8],[9],[10],[20],[26],[44]     1,398,000
Investment, Identifier [Axis]: Ideal Topco, L.P. | Class A-1 Preferred Units | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[10],[19],[21] 0    
Ending balance [8],[9],[10],[19],[21]     0
Investment, Identifier [Axis]: Ideal Topco, L.P. | Class A-2 Common Units | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[10],[19],[21] 0    
Ending balance [8],[9],[10],[19],[21]     0
Investment, Identifier [Axis]: Indigo Buyer, Inc. (dba Inovar Packaging Group) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Indigo Buyer, Inc. (dba Inovar Packaging Group) | First lien senior secured delayed draw term loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Indigo Buyer, Inc. (dba Inovar Packaging Group) | First lien senior secured delayed draw term loan 2      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Indigo Buyer, Inc. (dba Inovar Packaging Group) | First lien senior secured loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Indigo Buyer, Inc. (dba Inovar Packaging Group) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 11,081,000    
Ending balance 14,110,000 [12],[15],[22],[27]   11,081,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: Indigo Buyer, Inc. (dba Inovar Packaging Group) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Indikami Bidco, LLC (dba IntegriChain) | First lien senior secured delayed draw term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 327,000    
Ending balance 322,000 [12],[15],[29]   327,000 [8],[9],[28]
Investment, Identifier [Axis]: Indikami Bidco, LLC (dba IntegriChain) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 21,403,000    
Ending balance 21,207,000 [12],[15],[29]   21,403,000 [8],[9],[28]
Investment, Identifier [Axis]: Indikami Bidco, LLC (dba IntegriChain) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Indikami Bidco, LLC (dba IntegriChain) | First lien senior secured revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Indikami Bidco, LLC (dba IntegriChain) | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[28] 1,545,000    
Ending balance 1,513,000 [12],[15],[22],[29]   1,545,000 [8],[9],[20],[28]
Investment, Identifier [Axis]: Innovation Ventures HoldCo, LLC (dba 5 Hour Energy) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 30,846,000    
Ending balance 27,615,000 [12],[15],[29]   30,846,000 [8],[9],[28]
Investment, Identifier [Axis]: Inovalon Holdings, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 150,279,000    
Ending balance [8],[9],[26]     150,279,000
Investment, Identifier [Axis]: Inovalon Holdings, Inc. | Second lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 58,250,000    
Ending balance 57,003,000 [12],[15],[27]   58,250,000 [8],[9],[26]
Investment, Identifier [Axis]: Inovalon Holdings, Inc.| First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[27] 148,633,000    
Investment, Identifier [Axis]: Insight CP (Blocker) Holdings, L.P. (dba CivicPlus, LLC) | LP Interest | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[19],[21] 2,255,000    
Ending balance 1,773,000 [12],[15],[16],[23],[25]   2,255,000 [8],[9],[11],[19],[21]
Investment, Identifier [Axis]: Integrity Marketing Acquisition, LLC | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Integrity Marketing Acquisition, LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 97,956,000    
Ending balance [8],[9],[26]     97,956,000
Investment, Identifier [Axis]: Integrity Marketing Acquisition, LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Integrity Marketing Acquisition, LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Integrity Marketing Acquisition, LLC |First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[27] 97,185,000    
Investment, Identifier [Axis]: Intelerad Medical Systems Incorporated (fka 11849573 Canada Inc.) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[26] 168,668,000    
Ending balance [8],[9],[11],[26]     168,668,000
Investment, Identifier [Axis]: Intelerad Medical Systems Incorporated (fka 11849573 Canada Inc.) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Interoperability Bidco, Inc. (dba Lyniate) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (24,000)    
Ending balance (60,000) [17]   (24,000) [18]
Investment, Identifier [Axis]: Interoperability Bidco, Inc. (dba Lyniate) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 72,511,000    
Ending balance 71,183,000 [12],[15],[22],[27]   72,511,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: Interoperability Bidco, Inc. (dba Lyniate) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: JS Parent, Inc. (dba Jama Software) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 900,000    
Ending balance 896,000 [12],[15],[27]   900,000 [8],[9],[26]
Investment, Identifier [Axis]: JS Parent, Inc. (dba Jama Software) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Jawbreaker Parent, Inc. | First lien senior secured delayed draw term loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] (100,000)    
Investment, Identifier [Axis]: Jawbreaker Parent, Inc. | First lien senior secured delayed draw term loan 2      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] (348,000)    
Investment, Identifier [Axis]: Jawbreaker Parent, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[22],[27] 40,855,000    
Investment, Identifier [Axis]: Jawbreaker Parent, Inc. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] (140,000)    
Investment, Identifier [Axis]: Jemico, LLC      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 23,200,000    
Ending balance 23,200,000   23,200,000
Investment, Identifier [Axis]: KABAFUSION Parent, LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 48,613,000    
Ending balance [8],[9],[26]     48,613,000
Investment, Identifier [Axis]: KABAFUSION Parent, LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: KBP Brands, LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 1,057,000    
Ending balance 1,033,000 [12],[15],[27]   1,057,000 [8],[9],[26]
Investment, Identifier [Axis]: KOBHG Holdings, L.P. (dba OB Hospitalist) | Class A Interests | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[19],[21] 11,450,000    
Ending balance 12,230,000 [12],[15],[23],[25]   11,450,000 [8],[9],[19],[21]
Investment, Identifier [Axis]: KPCI Co-Invest 2, L.P. | Class A Units | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[19],[21] 8,516,000    
Ending balance 7,612,000 [12],[15],[16],[23],[25]   8,516,000 [8],[9],[11],[19],[21]
Investment, Identifier [Axis]: KPSKY Acquisition, Inc. (dba BluSky) | First lien senior secured delayed draw term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 28,000    
Ending balance 28,000 [12],[15],[27]   28,000 [8],[9],[26]
Investment, Identifier [Axis]: KPSKY Acquisition, Inc. (dba BluSky) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 39,137,000    
Ending balance 38,594,000 [12],[15],[27]   39,137,000 [8],[9],[26]
Investment, Identifier [Axis]: KRIV Acquisition Inc. (dba Riveron) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: KRIV Acquisition Inc. (dba Riveron) | First lien senior secured delayed draw term loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: KRIV Acquisition Inc. (dba Riveron) | First lien senior secured delayed draw term loan 2      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: KRIV Acquisition Inc. (dba Riveron) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 8,156,000    
Ending balance 8,124,000 [12],[15],[22],[27]   8,156,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: KRIV Acquisition Inc. (dba Riveron) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: KUSRP Intermediate, Inc. (dba U.S. Retirement and Benefits Partners) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 68,189,000    
Ending balance 69,805,000 [12],[15],[29]   68,189,000 [8],[9],[28]
Investment, Identifier [Axis]: KWOL Acquisition, Inc. (dba Worldwide Clinical Trials) | Class A Interest | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[19],[21] 7,526,000    
Ending balance 7,147,000 [12],[15],[23],[25]   7,526,000 [8],[9],[19],[21]
Investment, Identifier [Axis]: KWOL Acquisition, Inc. (dba Worldwide Clinical Trials) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: KWOL Acquisition, Inc. (dba Worldwide Clinical Trials) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[28] 121,457,000    
Ending balance 117,842,000 [12],[15],[27]   121,457,000 [8],[9],[20],[28]
Investment, Identifier [Axis]: KWOL Acquisition, Inc. (dba Worldwide Clinical Trials) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (40,000)    
Ending balance (117,000) [17]   (40,000) [18]
Investment, Identifier [Axis]: Klarna Holding AB | Subordinated Floating Rate Notes | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[26] 1,000,000    
Ending balance 995,000 [12],[15],[16],[27]   1,000,000 [8],[9],[11],[26]
Investment, Identifier [Axis]: Klick Inc. | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (19,000)    
Ending balance (36,000) [17]   (19,000) [18]
Investment, Identifier [Axis]: Klick Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[28] 71,447,000    
Ending balance 67,145,000 [12],[15],[16],[29]   71,447,000 [8],[9],[11],[28]
Investment, Identifier [Axis]: Klick Inc. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (38,000)    
Ending balance (54,000) [17]   (38,000) [18]
Investment, Identifier [Axis]: Knockout Intermediate Holdings I Inc. (dba Kaseya Inc.) | Perpetual Preferred Stock | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[21],[41] 17,318,000    
Ending balance 13,758,000 [12],[15],[23],[42]   17,318,000 [8],[9],[21],[41]
Investment, Identifier [Axis]: LSI Financing 1 DAC      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 6,657,000 4,771,000 4,771,000
Gross Additions [5] 0   3,041,000
Gross Reductions [6] 0   (1,001,000)
Net change in unrealized gain (loss) 100,000   (154,000)
Realized Gains (Losses) 0   0
Transfers     0
Ending balance 6,757,000   6,657,000
Interest and PIK Income 0   0
Dividend Income 0   555,000
Other income 0   0
Investment, Identifier [Axis]: LSI Financing 1 DAC | Specialty finance equity investment | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[10],[11],[21] 6,657,000    
Ending balance 6,757,000 [12],[13],[15],[16],[23]   6,657,000 [8],[9],[10],[11],[21]
Investment, Identifier [Axis]: LSI Financing LLC      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 0 158,824,000 158,824,000
Gross Additions [5]     0
Gross Reductions [6]     0
Net change in unrealized gain (loss)     0
Realized Gains (Losses)     0
Transfers     (158,824,000)
Ending balance     0
Interest and PIK Income     0
Dividend Income     0
Other income     0
Investment, Identifier [Axis]: LSI Financing LLC 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 210,634,000 0 0
Gross Additions [5] 67,711,000   178,159,000
Gross Reductions [6] (4,881,000)   (139,658,000)
Net change in unrealized gain (loss) 1,253,000   13,310,000
Realized Gains (Losses) 0   0
Transfers     158,824,000
Ending balance 274,717,000   210,634,000
Interest and PIK Income 0   0
Dividend Income 5,379,000   13,049,000
Other income 0   0
Investment, Identifier [Axis]: LSI Financing LLC | Specialty finance equity investment      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: LSI Financing LLC | Specialty finance equity investment 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: LSI Financing LLC | Specialty finance equity investment | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[10],[11],[20],[21],[34] 210,634,000    
Ending balance 274,717,000 [12],[13],[14],[16],[22],[23],[36]   210,634,000 [8],[10],[11],[20],[21],[34]
Investment, Identifier [Axis]: Lakefield Acquisition Corp. (dba Lakefield Veterinary Group) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Lakefield Acquisition Corp. (dba Lakefield Veterinary Group) | First lien senior secured delayed draw term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[22],[29] 82,000    
Investment, Identifier [Axis]: Lakefield Acquisition Corp. (dba Lakefield Veterinary Group) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[41] 643,000    
Ending balance 557,000 [12],[15],[42]   643,000 [8],[9],[20],[41]
Investment, Identifier [Axis]: Lakefield Acquisition Corp. (dba Lakefield Veterinary Group) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Lightbeam Bidco, Inc. (dba Lazer Spot) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Lightbeam Bidco, Inc. (dba Lazer Spot) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 4,789,000    
Ending balance 5,001,000 [12],[15],[22],[27]   4,789,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: Lightbeam Bidco, Inc. (dba Lazer Spot) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (2,000) [17]   0 [18]
Investment, Identifier [Axis]: Lignetics Investment Corp. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 102,304,000    
Ending balance 97,253,000 [12],[15],[27]   102,304,000 [8],[9],[26]
Investment, Identifier [Axis]: Lignetics Investment Corp. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (31,000)    
Ending balance 0 [17]   (31,000) [18]
Investment, Identifier [Axis]: Litera Bidco LLC | First lien senior secured delayed draw term loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Litera Bidco LLC | First lien senior secured delayed draw term loan 2      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (248,000) [17]   0 [18]
Investment, Identifier [Axis]: Litera Bidco LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[28] 161,317,000    
Ending balance 148,137,000 [12],[15],[22],[29]   161,317,000 [8],[9],[20],[28]
Investment, Identifier [Axis]: Litera Bidco LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (141,000) [17]   0 [18]
Investment, Identifier [Axis]: Long Island Custom Windows, LLC      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 28,900,000    
Ending balance 28,900,000   28,900,000
Investment, Identifier [Axis]: Loparex Midco B.V. 1 | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[27] 3,256,000    
Investment, Identifier [Axis]: Loparex Midco B.V. 1 | Second lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[27] 15,120,000    
Investment, Identifier [Axis]: Loparex Midco B.V. | First lien senior secured loan 1 | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 794,000    
Ending balance [8],[9],[26]     794,000
Investment, Identifier [Axis]: Loparex Midco B.V. | First lien senior secured loan 2 | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 4,122,000    
Ending balance [8],[9],[26]     4,122,000
Investment, Identifier [Axis]: Loparex Midco B.V. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[27] 760,000    
Investment, Identifier [Axis]: Loparex Midco B.V. | Second lien senior secured loan 1 | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 97,720,000    
Ending balance [8],[9],[26]     97,720,000
Investment, Identifier [Axis]: Loparex Midco B.V. | Second lien senior secured loan 2 | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 19,793,000    
Ending balance [8],[9],[26]     19,793,000
Investment, Identifier [Axis]: Loparex Midco B.V. | Second lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[27] 68,320,000    
Investment, Identifier [Axis]: Lytx, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 71,005,000    
Ending balance 61,543,000 [12],[15],[29]   71,005,000 [8],[9],[28]
Investment, Identifier [Axis]: MAJCO LLC (dba Big Brand Tire & Service) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: MAJCO LLC (dba Big Brand Tire & Service) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: MAJCO LLC (dba Big Brand Tire & Service) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 75,339,000    
Ending balance 81,781,000 [12],[15],[22],[27]   75,339,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: MAJCO LLC (dba Big Brand Tire & Service) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (26,000)    
Ending balance [18]     (26,000)
Investment, Identifier [Axis]: MAJCO LLC (dba Big Brand Tire & Service). | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] (26,000)    
Investment, Identifier [Axis]: MHE Intermediate Holdings, LLC (dba OnPoint Group) 1 | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[29] 2,438,000    
Investment, Identifier [Axis]: MHE Intermediate Holdings, LLC (dba OnPoint Group) | First lien senior secured loan 1 | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 103,194,000    
Ending balance [8],[9],[20],[26]     103,194,000
Investment, Identifier [Axis]: MHE Intermediate Holdings, LLC (dba OnPoint Group) | First lien senior secured loan 2 | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 2,432,000    
Ending balance [8],[9],[26]     2,432,000
Investment, Identifier [Axis]: MHE Intermediate Holdings, LLC (dba OnPoint Group) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[22],[27] 103,417,000    
Investment, Identifier [Axis]: MHE Intermediate Holdings, LLC (dba OnPoint Group) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: MHE Intermediate Holdings, LLC (dba OnPoint Group) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: MINDBODY, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 62,018,000    
Ending balance [8],[9],[26]     62,018,000
Investment, Identifier [Axis]: MINDBODY, Inc. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Maia Aggregator, LP | Class A-2 Units | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[19],[21] 292,000    
Ending balance 273,000 [12],[15],[23],[25]   292,000 [8],[9],[19],[21]
Investment, Identifier [Axis]: Maple Acquisition, LLC (dba Medicus) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Maple Acquisition, LLC (dba Medicus) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[41] 72,776,000    
Ending balance 64,902,000 [12],[15],[42]   72,776,000 [8],[9],[41]
Investment, Identifier [Axis]: Maple Acquisition, LLC (dba Medicus) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Mario Midco Holdings, Inc. (dba Len the Plumber) | Unsecured facility | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 8,429,000    
Ending balance 8,518,000 [12],[15],[27]   8,429,000 [8],[9],[26]
Investment, Identifier [Axis]: Mario Purchaser, LLC (dba Len the Plumber) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 26,731,000    
Ending balance 26,314,000 [12],[15],[27]   26,731,000 [8],[9],[26]
Investment, Identifier [Axis]: Mario Purchaser, LLC (dba Len the Plumber) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Mario Purchaser, LLC (dba Len the Plumber) | First lien senior secured revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Mario Purchaser, LLC (dba Len the Plumber) | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 1,693,000    
Ending balance 1,819,000 [12],[15],[22],[27]   1,693,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: Matterhorn Finco, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[27] 34,293,000    
Investment, Identifier [Axis]: Matterhorn Finco, Inc. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] (27,000)    
Investment, Identifier [Axis]: Metis HoldCo, Inc. (dba Mavis Tire Express Services) | Series A Convertible Preferred Stock | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [7],[8],[9],[21] 251,546,000    
Ending balance 269,962,000 [12],[14],[15],[23]   251,546,000 [7],[8],[9],[21]
Investment, Identifier [Axis]: Midwest Custom Windows, LLC      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 24,100,000    
Ending balance 24,100,000   24,100,000
Investment, Identifier [Axis]: Milan Laser Holdings LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 61,354,000    
Ending balance 61,821,000 [12],[15],[27]   61,354,000 [8],[9],[26]
Investment, Identifier [Axis]: Milan Laser Holdings LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (203,000)    
Ending balance (122,000) [17]   (203,000) [18]
Investment, Identifier [Axis]: Minerva Holdco, Inc. | Senior A Preferred Stock | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [7],[8],[9],[21] 13,558,000    
Ending balance 13,536,000 [12],[14],[15],[23]   13,558,000 [7],[8],[9],[21]
Investment, Identifier [Axis]: Ministry Brands Holdings, LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 11,793,000    
Ending balance 11,466,000 [12],[15],[29]   11,793,000 [8],[9],[28]
Investment, Identifier [Axis]: Ministry Brands Holdings, LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Ministry Brands Holdings, LLC | First lien senior secured revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Ministry Brands Holdings, LLC | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[50] 82,000    
Ending balance 55,000 [12],[15],[22],[51]   82,000 [8],[9],[20],[50]
Investment, Identifier [Axis]: Minotaur Acquisition, Inc. (dba Inspira Financial) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 255,802,000    
Ending balance 242,332,000 [12],[15],[29]   255,802,000 [8],[9],[28]
Investment, Identifier [Axis]: Minotaur Acquisition, Inc. (dba Inspira Financial) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (48,000) [17]   0 [18]
Investment, Identifier [Axis]: ModMed Software Midco Holdings, Inc. (dba ModMed) | Series A Preferred Units | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [7],[8],[9],[21] 182,000    
Ending balance 181,000 [12],[14],[15],[23]   182,000 [7],[8],[9],[21]
Investment, Identifier [Axis]: Modernizing Medicine, Inc. (dba ModMed) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 768,000    
Ending balance 773,000 [12],[15],[27]   768,000 [8],[9],[26]
Investment, Identifier [Axis]: Modernizing Medicine, Inc. (dba ModMed) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Modernizing Medicine, Inc. (dba ModMed) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Monotype Imaging Holdings Inc. | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Monotype Imaging Holdings Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[28] 151,694,000    
Ending balance 141,117,000 [12],[15],[29]   151,694,000 [8],[9],[20],[28]
Investment, Identifier [Axis]: Monotype Imaging Holdings Inc. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (359,000) [17]   0 [18]
Investment, Identifier [Axis]: NELIPAK EUROPEAN HOLDINGS COÖPERATIEF U.A. | First lien senior secured EUR delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (178,000)    
Ending balance (200,000) [17]   (178,000) [18]
Investment, Identifier [Axis]: NELIPAK EUROPEAN HOLDINGS COÖPERATIEF U.A. | First lien senior secured EUR revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] (65,000)    
Investment, Identifier [Axis]: NELIPAK EUROPEAN HOLDINGS COÖPERATIEF U.A. | First lien senior secured EUR revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: NELIPAK EUROPEAN HOLDINGS COÖPERATIEF U.A. | First lien senior secured EUR revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[47] 296,000    
Ending balance 50,053,000 [12],[15],[33]   296,000 [8],[9],[20],[47]
Investment, Identifier [Axis]: NELIPAK EUROPEAN HOLDINGS COÖPERATIEF U.A. | First lien senior secured EUR term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[32] 54,645,000    
Ending balance [8],[9],[32]     54,645,000
Investment, Identifier [Axis]: NMI Acquisitionco, Inc. (dba Network Merchants) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 47,673,000    
Ending balance 44,279,000 [12],[15],[29]   47,673,000 [8],[9],[28]
Investment, Identifier [Axis]: NMI Acquisitionco, Inc. (dba Network Merchants) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: NMI Acquisitionco, Inc. (dba Network Merchants)| First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] (31,000)    
Investment, Identifier [Axis]: NSCALE SERVICES UK LTD | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: NSCALE SERVICES UK LTD | First lien senior secured delayed draw term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[16],[22],[27] 1,056,000    
Investment, Identifier [Axis]: National Dentex Labs LLC (fka Barracuda Dental LLC) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: National Dentex Labs LLC (fka Barracuda Dental LLC) | First lien senior secured delayed draw term loan 1 | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26],[44] 8,760,000    
Ending balance [8],[9],[26],[44]     8,760,000
Investment, Identifier [Axis]: National Dentex Labs LLC (fka Barracuda Dental LLC) | First lien senior secured delayed draw term loan 2 | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26],[44] 7,470,000    
Ending balance [8],[9],[26],[44]     7,470,000
Investment, Identifier [Axis]: National Dentex Labs LLC (fka Barracuda Dental LLC) | First lien senior secured delayed draw term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[22],[27],[45] 8,069,000    
Investment, Identifier [Axis]: National Dentex Labs LLC (fka Barracuda Dental LLC) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26],[44] 57,581,000    
Ending balance 61,908,000 [12],[15],[22],[27],[45]   57,581,000 [8],[9],[26],[44]
Investment, Identifier [Axis]: National Dentex Labs LLC (fka Barracuda Dental LLC) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: National Dentex Labs LLC (fka Barracuda Dental LLC) | First lien senior secured revolving loan 1 | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26],[44] 4,207,000    
Ending balance [8],[9],[20],[26],[44]     4,207,000
Investment, Identifier [Axis]: National Dentex Labs LLC (fka Barracuda Dental LLC) | First lien senior secured revolving loan 2 | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26],[44] 318,000    
Ending balance [8],[9],[26],[44]     318,000
Investment, Identifier [Axis]: National Dentex Labs LLC (fka Barracuda Dental LLC) | First lien senior secured revolving loan 3      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: National Dentex Labs LLC (fka Barracuda Dental LLC) | First lien senior secured revolving loan 4      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: National Dentex Labs LLC (fka Barracuda Dental LLC) | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[22],[27],[45] 4,132,000    
Investment, Identifier [Axis]: Natural Partners, LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[26] 7,659,000    
Ending balance 6,442,000 [12],[15],[16],[27]   7,659,000 [8],[9],[11],[26]
Investment, Identifier [Axis]: Natural Partners, LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Nelipak Holding Company | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Nelipak Holding Company | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 31,548,000    
Ending balance 29,085,000 [12],[15],[22],[27]   31,548,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: Nelipak Holding Company | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Nelipak Holding Company | First lien senior secured revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Nelipak Holding Company | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[28] 1,019,000    
Ending balance 1,766,000 [12],[15],[29],[33]   1,019,000 [8],[9],[20],[28]
Investment, Identifier [Axis]: New PLI Holdings, LLC (dba PLI)      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 202,312,000 200,472,000 200,472,000
Gross Additions [5] 3,424,000   7,025,000
Gross Reductions [6] 0   (11,000)
Net change in unrealized gain (loss) (261,000)   (5,174,000)
Realized Gains (Losses) 0   0
Transfers     0
Ending balance 205,475,000   202,312,000
Interest and PIK Income 2,999,000   13,043,000
Dividend Income 1,112,000   3,559,000
Other income 25,000   75,000
Investment, Identifier [Axis]: New PLI Holdings, LLC (dba PLI) | Class A Common Units | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[10],[19],[21] 87,401,000    
Ending balance 87,022,000 [12],[13],[15],[23],[25]   87,401,000 [8],[9],[10],[19],[21]
Investment, Identifier [Axis]: Non-Affiliated | Hg Genesis 8 Sumoco Limited | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[30] 16,637,000    
Ending balance [8],[9],[11],[30]     16,637,000
Investment, Identifier [Axis]: Norvax, LLC (dba GoHealth) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26],[44] 1,389,000    
Ending balance [8],[9],[26],[44]     1,389,000
Investment, Identifier [Axis]: Norvax, LLC (dba GoHealth) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Norvax, LLC (dba GoHealth) | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26],[44] 0    
Ending balance [8],[9],[26],[44]     0
Investment, Identifier [Axis]: Norvax, LLC (dba GoHealth)|First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[27],[45] 443,000    
Investment, Identifier [Axis]: Notorious Holdings LLC (dba Beauty Industry Group)      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 105,151,000 0 0
Gross Additions [5] 2,116,000   105,222,000
Gross Reductions [6] 0   0
Net change in unrealized gain (loss) (1,306,000)   (71,000)
Realized Gains (Losses) 0   0
Transfers     0
Ending balance 105,961,000   105,151,000
Interest and PIK Income 1,871,000   270,000
Dividend Income 0   0
Other income 165,000   2,000
Investment, Identifier [Axis]: Notorious Holdings LLC (dba Beauty Industry Group) | First lien senior secured loan | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[10],[26] 20,435,000    
Ending balance 20,858,000 [12],[13],[15],[27]   20,435,000 [8],[9],[10],[26]
Investment, Identifier [Axis]: Notorious Purchaser II, Inc. (dba Beauty Industry Group) | Class B Common Stock | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[10],[19],[21] 41,971,000    
Ending balance 41,542,000 [12],[13],[15],[23],[25]   41,971,000 [8],[9],[10],[19],[21]
Investment, Identifier [Axis]: Notorious Topco, LLC (dba Beauty Industry Group) | First lien senior secured loan | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[10],[26] 42,788,000    
Ending balance 43,690,000 [12],[13],[15],[27]   42,788,000 [8],[9],[10],[26]
Investment, Identifier [Axis]: Notorious Topco, LLC (dba Beauty Industry Group) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (43,000)    
Ending balance (129,000) [17]   (43,000) [18]
Investment, Identifier [Axis]: Nova Women's Health, Inc. | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] (48,000)    
Investment, Identifier [Axis]: Nova Women's Health, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[27] 11,533,000    
Investment, Identifier [Axis]: Nova Women's Health, Inc. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] (8,000)    
Investment, Identifier [Axis]: Nova Women’s Health Partners Holdings, LP | Class A Units | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[23],[25] 1,545,000    
Investment, Identifier [Axis]: Nscale Global Holdings Limited | Preferred equity | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[19],[21] 5,502,000    
Ending balance 6,114,000 [12],[15],[16],[23],[25]   5,502,000 [8],[9],[11],[19],[21]
Investment, Identifier [Axis]: Nscale Global Holdings Limited | Series B Preferred Shares | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[19],[21] 3,669,000    
Ending balance 10,634,000 [12],[14],[15],[16],[23],[25]   3,669,000 [8],[9],[11],[19],[21]
Investment, Identifier [Axis]: OB Hospitalist Group, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 164,531,000    
Ending balance [8],[9],[28]     164,531,000
Investment, Identifier [Axis]: OB Hospitalist Group, Inc. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: OB Hospitalist Group, Inc. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: OB Hospitalist Group, Inc.| First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[27],[29] 152,890,000    
Investment, Identifier [Axis]: OWL-HP FINANCE LLC      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [38] 0    
Gross Additions [5],[38] 17,279,000    
Gross Reductions [6],[38] 0    
Net change in unrealized gain (loss) [38] 23,000    
Realized Gains (Losses) [38] 0    
Ending balance [38] 17,302,000   0
Interest and PIK Income [38] 0    
Dividend Income [38] 0    
Other income [38] 0    
Investment, Identifier [Axis]: OWL-HP FINANCE LLC | Specialty finance equity investment      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: OWL-HP FINANCE LLC | Specialty finance equity investment | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[13],[16],[22],[23],[25],[36],[37] 17,302,000    
Investment, Identifier [Axis]: Offen, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 16,145,000    
Ending balance 14,532,000 [12],[15],[27]   16,145,000 [8],[9],[26]
Investment, Identifier [Axis]: Offen, Inc. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (22,000)    
Ending balance 0 [17]   (22,000) [18]
Investment, Identifier [Axis]: Offen, Inc. | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[22],[29] 778,000    
Investment, Identifier [Axis]: Ole Smoky Distillery, LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 806,000    
Ending balance 783,000 [12],[15],[29]   806,000 [8],[9],[28]
Investment, Identifier [Axis]: Ole Smoky Distillery, LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (6,000)    
Ending balance (9,000) [17]   (6,000) [18]
Investment, Identifier [Axis]: PCF Holdco, LLC (dba Trucordia) | Preferred equity | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [7],[8],[9],[21] 31,060,000    
Ending balance 30,847,000 [12],[14],[15],[23]   31,060,000 [7],[8],[9],[21]
Investment, Identifier [Axis]: PCF Holdco, LLC (dba Trucordia) | Warrants | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[19],[21] 4,270,000    
Ending balance 4,277,000 [12],[15],[23],[25]   4,270,000 [8],[9],[19],[21]
Investment, Identifier [Axis]: PDI TA Holdings, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 22,832,000    
Ending balance 20,757,000 [12],[15],[29]   22,832,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: PDI TA Holdings, Inc. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: PDI TA Holdings, Inc. | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[22],[27] 1,621,000    
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC | First lien senior secured delayed draw term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 1,746,000    
Ending balance 1,724,000 [12],[15],[27]   1,746,000 [8],[9],[26]
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 28,363,000    
Ending balance 28,430,000 [12],[15],[27],[45]   28,363,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: PS Op Holdings LLC (fka QC Supply, LLC) | Class A Common Units | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [9],[10],[19],[21] 0    
Ending balance 0 [13],[15],[23],[25]   0 [9],[10],[19],[21]
Investment, Identifier [Axis]: PS Operating Company LLC (fka QC Supply, LLC)      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 4,154,000 2,916,000 2,916,000
Gross Additions [5] 331,000   995,000
Gross Reductions [6] 0   (1,836,000)
Net change in unrealized gain (loss) (2,364,000)   2,079,000
Realized Gains (Losses) 0   0
Transfers     0
Ending balance 2,121,000   4,154,000
Interest and PIK Income 0   0
Dividend Income 0   0
Other income 0   0
Investment, Identifier [Axis]: PS Operating Company LLC (fka QC Supply, LLC) | First lien senior secured loan | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [9],[10],[26],[44] 4,161,000    
Ending balance 2,437,000 [13],[15],[27],[45]   4,161,000 [9],[10],[26],[44]
Investment, Identifier [Axis]: PS Operating Company LLC (fka QC Supply, LLC) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: PS Operating Company LLC (fka QC Supply, LLC) | First lien senior secured revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: PS Operating Company LLC (fka QC Supply, LLC) | First lien senior secured revolving loan | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [9],[10],[20],[26],[44] (7,000)    
Ending balance (316,000) [13],[15],[22],[27],[45]   (7,000) [9],[10],[20],[26],[44]
Investment, Identifier [Axis]: Pacific BidCo Inc | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[16],[42] 47,989,000    
Investment, Identifier [Axis]: Pacific BidCo Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[41] 48,597,000    
Ending balance [8],[9],[11],[41]     48,597,000
Investment, Identifier [Axis]: Packaging Coordinators Midco, Inc. | First lien senior secured delayed draw term loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Packaging Coordinators Midco, Inc. | First lien senior secured delayed draw term loan 1 | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[30] 19,329,000    
Ending balance [8],[9],[30]     19,329,000
Investment, Identifier [Axis]: Packaging Coordinators Midco, Inc. | First lien senior secured delayed draw term loan 2      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] (54,000)    
Investment, Identifier [Axis]: Packaging Coordinators Midco, Inc. | First lien senior secured delayed draw term loan 2 | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 778,000    
Ending balance [8],[9],[20],[26]     778,000
Investment, Identifier [Axis]: Packaging Coordinators Midco, Inc. | First lien senior secured delayed draw term loan 3      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Packaging Coordinators Midco, Inc. | First lien senior secured delayed draw term loan 4      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Packaging Coordinators Midco, Inc. | First lien senior secured delayed draw term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[31] 18,812,000    
Investment, Identifier [Axis]: Packaging Coordinators Midco, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 157,186,000    
Ending balance 157,625,000 [12],[15],[22],[27]   157,186,000 [8],[9],[26]
Investment, Identifier [Axis]: Packaging Coordinators Midco, Inc. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (84,000)    
Ending balance (169,000) [17]   (84,000) [18]
Investment, Identifier [Axis]: Paradigmatic Holdco LLC (dba Pluralsight)      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 44,210,000 55,282,000 55,282,000
Gross Additions [5] 119,000   13,840,000
Gross Reductions [6] (57,000)   (114,000)
Net change in unrealized gain (loss) (12,670,000)   (24,798,000)
Realized Gains (Losses) 0   0
Transfers     0
Ending balance 31,602,000   44,210,000
Interest and PIK Income 480,000   4,231,000
Dividend Income 0   0
Other income 26,000   95,000
Investment, Identifier [Axis]: Paradigmatic Holdco LLC (dba Pluralsight) | Common stock | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[10],[19],[21] 0    
Ending balance [8],[9],[10],[19],[21]     0
Investment, Identifier [Axis]: Paris US Holdco, Inc. (dba Precinmac) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Paris US Holdco, Inc. (dba Precinmac) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[28] 28,819,000    
Ending balance 28,375,000 [12],[15],[22],[29]   28,819,000 [8],[9],[20],[28]
Investment, Identifier [Axis]: Paris US Holdco, Inc. (dba Precinmac) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Patriot Acquisition TopCo S.À R.L. (dba Corza Health, Inc.) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[26] 157,996,000    
Ending balance 143,597,000 [12],[15],[16],[27]   157,996,000 [8],[9],[11],[26]
Investment, Identifier [Axis]: Patriot Acquisition TopCo S.À R.L. (dba Corza Health, Inc.) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Patriot Holdings SCSp (dba Corza Health, Inc.) | Class A Units | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [7],[8],[9],[11],[21] 14,020,000    
Ending balance 14,332,000 [12],[14],[15],[16],[23]   14,020,000 [7],[8],[9],[11],[21]
Investment, Identifier [Axis]: Patriot Holdings SCSp (dba Corza Health, Inc.) | Class B Units | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[19],[21] 975,000    
Ending balance 1,103,000 [12],[15],[16],[23],[25]   975,000 [8],[9],[11],[19],[21]
Investment, Identifier [Axis]: Peraton Corp. | Second lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[26] 47,294,000    
Ending balance [8],[26]     47,294,000
Investment, Identifier [Axis]: Peraton Corp.(3)(9) | Second lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[27] 43,181,000    
Investment, Identifier [Axis]: Percheron Horsepower-A LP (dba Big Brand Tire & Service) | Limited Partner Interest      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Percheron Horsepower-A LP (dba Big Brand Tire & Service) | Limited Partner Interest 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Percheron Horsepower-A LP (dba Big Brand Tire & Service) | Limited Partner Interest | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[11],[19],[20],[21],[34] 14,517,000    
Ending balance 15,884,000 [12],[14],[16],[22],[23],[25],[36]   14,517,000 [8],[11],[19],[20],[21],[34]
Investment, Identifier [Axis]: PerkinElmer U.S. LLC | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: PerkinElmer U.S. LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 25,721,000    
Ending balance 25,657,000 [12],[15],[29]   25,721,000 [8],[9],[28]
Investment, Identifier [Axis]: PetVet Care Centers, LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 117,905,000    
Ending balance [8],[9],[28]     117,905,000
Investment, Identifier [Axis]: PetVet Care Centers, LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: PetVet Care Centers, LLC | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[28] 0    
Ending balance [8],[9],[20],[28]     0
Investment, Identifier [Axis]: PetVet Care Centers, LLC. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[29] 117,604,000    
Investment, Identifier [Axis]: PetVet Care Centers, LLC. | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[22],[29] 1,830,000    
Investment, Identifier [Axis]: Physician Partners, LLC | First lien senior secured loan 1 | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 10,207,000    
Ending balance 10,720,000 [12],[15],[27]   10,207,000 [8],[9],[26]
Investment, Identifier [Axis]: Physician Partners, LLC | First lien senior secured loan 2 | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[26] 3,070,000    
Ending balance 4,380,000 [12],[27]   3,070,000 [8],[26]
Investment, Identifier [Axis]: Plasma Buyer LLC (dba PathGroup) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Plasma Buyer LLC (dba PathGroup) | First lien senior secured delayed draw term loan 2 | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[22],[27],[45] 28,000    
Investment, Identifier [Axis]: Plasma Buyer LLC (dba PathGroup) | First lien senior secured delayed draw term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26],[44] 41,000    
Ending balance 31,000 [12],[15],[27],[45]   41,000 [8],[9],[26],[44]
Investment, Identifier [Axis]: Plasma Buyer LLC (dba PathGroup) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26],[44] 1,078,000    
Ending balance 811,000 [12],[15],[27],[45]   1,078,000 [8],[9],[26],[44]
Investment, Identifier [Axis]: Plasma Buyer LLC (dba PathGroup) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Plasma Buyer LLC (dba PathGroup) | First lien senior secured revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Plasma Buyer LLC (dba PathGroup) | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26],[44] 123,000    
Ending balance 93,000 [12],[15],[27],[45]   123,000 [8],[9],[26],[44]
Investment, Identifier [Axis]: Pluralsight, LLC | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (190,000)    
Ending balance (524,000) [17]   (190,000) [18]
Investment, Identifier [Axis]: Pluralsight, LLC | First lien senior secured loan 2 | S | 0.03 | 0.015 | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[13],[15],[29] 14,647,000    
Investment, Identifier [Axis]: Pluralsight, LLC | First lien senior secured loan | S | 0 | 0.075 | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[10],[26],[44] 21,753,000    
Ending balance 10,366,000 [12],[13],[15],[29],[45]   21,753,000 [8],[9],[10],[26],[44]
Investment, Identifier [Axis]: Pluralsight, LLC | First lien senior secured loan | S | 0.03 | 0.015 | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[10],[26] 22,723,000    
Ending balance 7,323,000 [12],[13],[15],[27]   22,723,000 [8],[9],[10],[26]
Investment, Identifier [Axis]: Pluralsight, LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (76,000)    
Ending balance (210,000) [17]   (76,000) [18]
Investment, Identifier [Axis]: Polar Investors LP (dba Dentalcorp) | Common Equity      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Polar Investors LP (dba Dentalcorp) | Common Equity | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[14],[15],[16],[22],[23],[25] 3,411,000    
Investment, Identifier [Axis]: Pregis Topco LLC | Second lien senior secured loan 1 | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 28,167,000    
Ending balance 25,720,000 [12],[15],[29]   28,167,000 [8],[9],[28]
Investment, Identifier [Axis]: Pregis Topco LLC | Second lien senior secured loan 2 | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 164,333,000    
Ending balance 150,056,000 [12],[15],[29]   164,333,000 [8],[9],[28]
Investment, Identifier [Axis]: Premier Imaging, LLC (dba LucidHealth) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 44,680,000    
Ending balance 41,944,000 [12],[15],[27]   44,680,000 [8],[9],[26]
Investment, Identifier [Axis]: Premise Health Holding Corp | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[22],[27] 87,370,000    
Investment, Identifier [Axis]: Premise Health Holding Corp. | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (35,000)    
Ending balance 0 [17]   (35,000) [18]
Investment, Identifier [Axis]: Premise Health Holding Corp. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 77,522,000    
Ending balance [8],[9],[26]     77,522,000
Investment, Identifier [Axis]: Premise Health Holding Corp. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (89,000)    
Ending balance (129,000) [17]   (89,000) [18]
Investment, Identifier [Axis]: Project Alpine Co-Invest Fund, LP | LP Interest | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[19],[21] 15,759,000    
Ending balance 13,073,000 [12],[15],[16],[23],[25]   15,759,000 [8],[9],[11],[19],[21]
Investment, Identifier [Axis]: Project Hotel California Co-Invest Fund, L.P. | LP Interest | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[11],[19],[21] 6,555,000    
Ending balance 3,907,000 [12],[16],[23],[25]   6,555,000 [8],[11],[19],[21]
Investment, Identifier [Axis]: Puma Buyer, LLC (dba PANTHERx) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 1,213,000    
Ending balance 1,210,000 [12],[15],[27],[29]   1,213,000 [8],[9],[26]
Investment, Identifier [Axis]: Puma Buyer, LLC (dba PANTHERx) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Puma Buyer, LLC (dba PANTHERx) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: QAD, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 71,989,000    
Ending balance 68,405,000 [12],[15],[29]   71,989,000 [8],[9],[28]
Investment, Identifier [Axis]: QAD, Inc. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (137,000) [17]   0 [18]
Investment, Identifier [Axis]: Quva Pharma, Inc. | First lien senior secured loan 1 | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 65,295,000    
Ending balance [8],[9],[26]     65,295,000
Investment, Identifier [Axis]: Quva Pharma, Inc. | First lien senior secured loan 2 | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 4,976,000    
Ending balance [8],[9],[26]     4,976,000
Investment, Identifier [Axis]: Quva Pharma, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[27] 65,750,000    
Investment, Identifier [Axis]: Quva Pharma, Inc. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] (155,000)    
Investment, Identifier [Axis]: Quva Pharma, Inc. | First lien senior secured revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Quva Pharma, Inc. | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 3,679,000    
Ending balance [8],[9],[20],[26]     3,679,000
Investment, Identifier [Axis]: RL Datix Holdings (USA), Inc. | First lien senior secured GBP term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[30] 35,133,000    
Ending balance 33,537,000 [12],[15],[31]   35,133,000 [8],[9],[30]
Investment, Identifier [Axis]: RL Datix Holdings (USA), Inc. | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: RL Datix Holdings (USA), Inc. | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] (94,000)    
Investment, Identifier [Axis]: RL Datix Holdings (USA), Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[41] 56,403,000    
Ending balance 54,737,000 [12],[15],[42]   56,403,000 [8],[9],[41]
Investment, Identifier [Axis]: RL Datix Holdings (USA), Inc. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (193,000) [17]   0 [18]
Investment, Identifier [Axis]: Reinstated NewCo S.À R.L. (dba Netceed) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[22],[27] 3,210,000    
Investment, Identifier [Axis]: Relativity ODA LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 101,311,000    
Ending balance [8],[9],[28]     101,311,000
Investment, Identifier [Axis]: Relativity ODA LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Rhea Acquisition Holdings, LP | Series A-2 Units | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[19],[21] 245,000    
Ending balance 228,000 [12],[15],[23],[25]   245,000 [8],[9],[19],[21]
Investment, Identifier [Axis]: Rhea Parent, Inc | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[27] 39,863,000    
Investment, Identifier [Axis]: Rhea Parent, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 40,264,000    
Ending balance [8],[9],[26]     40,264,000
Investment, Identifier [Axis]: Rhea Parent, Inc. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (45,000)    
Ending balance (44,000) [17]   (45,000) [18]
Investment, Identifier [Axis]: Rocket BidCo, Inc. (dba Recochem) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[26] 260,359,000    
Ending balance [8],[9],[11],[26]     260,359,000
Investment, Identifier [Axis]: Rocket BidCo, Inc. (dba Recochem) | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[16],[27] 249,610,000    
Investment, Identifier [Axis]: Rome Topco Holdings, LLC (dba SimpliSafe) | Class A Units | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[19],[21] 1,955,000    
Ending balance 1,955,000 [12],[15],[23],[25]   1,955,000 [8],[9],[19],[21]
Investment, Identifier [Axis]: Rome Topco Holdings, LLC (dba SimpliSafe) | Class B Units | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[19],[21] 0    
Ending balance 0 [12],[15],[23],[25]   0 [8],[9],[19],[21]
Investment, Identifier [Axis]: Romulus Intermediate Holdings 1 Inc. (dba PetVet Care Centers) | Series A Preferred Stock | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [7],[8],[9],[21] 16,763,000    
Ending balance 17,280,000 [12],[14],[15],[23]   16,763,000 [7],[8],[9],[21]
Investment, Identifier [Axis]: Rushmore Investment III LLC (dba Winland Foods) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 357,284,000    
Ending balance 330,525,000 [12],[15],[27]   357,284,000 [8],[9],[26]
Investment, Identifier [Axis]: STS PARENT, LLC (dba STS Aviation Group) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (160,000)    
Ending balance 0 [17]   (160,000) [18]
Investment, Identifier [Axis]: STS PARENT, LLC (dba STS Aviation Group) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 113,281,000    
Ending balance 110,046,000 [12],[15],[27]   113,281,000 [8],[9],[26]
Investment, Identifier [Axis]: STS PARENT, LLC (dba STS Aviation Group) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: STS PARENT, LLC (dba STS Aviation Group) | First lien senior secured revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: STS PARENT, LLC (dba STS Aviation Group) | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 8,999,000    
Ending balance 9,700,000 [12],[15],[22],[27]   8,999,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: SWK BUYER, Inc. (dba Stonewall Kitchen) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 1,412,000    
Ending balance 1,401,000 [12],[15],[27]   1,412,000 [8],[9],[26]
Investment, Identifier [Axis]: SWK BUYER, Inc. (dba Stonewall Kitchen) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (4,000)    
Ending balance (5,000) [17]   (4,000) [18]
Investment, Identifier [Axis]: Salinger Bidco Inc. (dba Surgical Information Systems) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Salinger Bidco Inc. (dba Surgical Information Systems) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 41,293,000    
Ending balance 40,602,000 [12],[15],[27]   41,293,000 [8],[9],[26]
Investment, Identifier [Axis]: Salinger Bidco Inc. (dba Surgical Information Systems) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] (10,000)    
Investment, Identifier [Axis]: Salinger Bidco Inc. (dba Surgical Information Systems) | First lien senior secured revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Salinger Bidco Inc. (dba Surgical Information Systems) | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 333,000    
Ending balance [8],[9],[20],[26]     333,000
Investment, Identifier [Axis]: Sara Lee Frozen Bakery, LLC (fka KSLB Holdings, LLC) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 51,662,000    
Ending balance 52,997,000 [12],[15],[22],[27]   51,662,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: Sara Lee Frozen Bakery, LLC (fka KSLB Holdings, LLC) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Securonix, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 1,589,000    
Ending balance 1,431,000 [12],[15],[27]   1,589,000 [8],[9],[26]
Investment, Identifier [Axis]: Securonix, Inc. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (30,000)    
Ending balance (59,000) [17]   (30,000) [18]
Investment, Identifier [Axis]: Senderra RX Acquisition, LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[22],[29] 26,008,000    
Investment, Identifier [Axis]: Senderra RX Acquisition, LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Sensor Technology Topco, Inc. (dba Humanetics) | First lien senior secured EUR delayed draw term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[32] 403,000    
Ending balance [8],[9],[32]     403,000
Investment, Identifier [Axis]: Sensor Technology Topco, Inc. (dba Humanetics) | First lien senior secured EUR term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[32] 17,696,000    
Ending balance 17,714,000 [12],[15],[33]   17,696,000 [8],[9],[32]
Investment, Identifier [Axis]: Sensor Technology Topco, Inc. (dba Humanetics) | First lien senior secured delayed draw term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 1,689,000    
Ending balance [8],[9],[26]     1,689,000
Investment, Identifier [Axis]: Sensor Technology Topco, Inc. (dba Humanetics) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 88,237,000    
Ending balance 89,710,000 [12],[15],[27]   88,237,000 [8],[9],[26]
Investment, Identifier [Axis]: Sensor Technology Topco, Inc. (dba Humanetics) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Sensor Technology Topco, Inc. (dba Humanetics) | First lien senior secured revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Sensor Technology Topco, Inc. (dba Humanetics) | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[28] 2,423,000    
Ending balance 485,000 [12],[15],[22],[29]   2,423,000 [8],[9],[20],[28]
Investment, Identifier [Axis]: Sentinel Buyer Corp. (dba SimpliSafe) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (17,000)    
Ending balance [18]     (17,000)
Investment, Identifier [Axis]: Sentinel Buyer Corp. (dba SimpliSafe) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] (34,000)    
Investment, Identifier [Axis]: Sentinel Buyer Corp. (dba SimpliSafe) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 39,909,000    
Ending balance 39,708,000 [12],[15],[29]   39,909,000 [8],[9],[28]
Investment, Identifier [Axis]: Severin Acquisition, LLC (dba PowerSchool) | First lien senior secured delayed draw term loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Severin Acquisition, LLC (dba PowerSchool) | First lien senior secured delayed draw term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[28] 64,000    
Ending balance 65,000 [12],[15],[22],[29]   64,000 [8],[9],[20],[28]
Investment, Identifier [Axis]: Severin Acquisition, LLC (dba PowerSchool) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 1,505,000    
Ending balance 1,472,000 [12],[15],[29]   1,505,000 [8],[9],[28]
Investment, Identifier [Axis]: Severin Acquisition, LLC (dba PowerSchool) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (2,000)    
Ending balance 0 [17]   (2,000) [18]
Investment, Identifier [Axis]: Severin Acquisition, LLC (dba PowerSchool) | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[22],[29] 43,000    
Investment, Identifier [Axis]: Severin Acquisition, LLC (dba PowerSchool)| First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: SimonMed, Inc. | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: SimonMed, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 848,000    
Ending balance 528,000 [12],[15],[22],[27]   848,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: SimonMed, Inc. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: SimonMed, Inc. | First lien senior secured revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: SimonMed, Inc. | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 43,000    
Ending balance 32,000 [12],[15],[22],[27]   43,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: SimonMed, Inc.| First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Simplicity Financial Marketing Group Holdings, Inc. | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Simplicity Financial Marketing Group Holdings, Inc. | First lien senior secured delayed draw term loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Simplicity Financial Marketing Group Holdings, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 45,877,000    
Ending balance 49,491,000 [12],[15],[22],[27]   45,877,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: Simplicity Financial Marketing Group Holdings, Inc. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Simplicity Financial Marketing Group Holdings, Inc. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] (27,000)    
Investment, Identifier [Axis]: Sitecore Holding III A/S | First lien senior secured EUR term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[32] 31,001,000    
Ending balance 29,485,000 [12],[15],[43]   31,001,000 [8],[9],[32]
Investment, Identifier [Axis]: Sitecore Holding III A/S | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 4,577,000    
Ending balance 4,437,000 [12],[15],[42]   4,577,000 [8],[9],[26]
Investment, Identifier [Axis]: Sitecore USA, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 27,591,000    
Ending balance 26,749,000 [12],[15],[42]   27,591,000 [8],[9],[26]
Investment, Identifier [Axis]: Smarsh Inc. | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (6,000) [17]   0 [18]
Investment, Identifier [Axis]: Smarsh Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 2,055,000    
Ending balance 1,990,000 [12],[15],[22],[27]   2,055,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: Smarsh Inc. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Snowbird Manager LP | Limited Partner Interest | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[11],[19],[21],[34] 4,212,000    
Ending balance 4,279,000 [12],[16],[23],[25],[36]   4,212,000 [8],[11],[19],[21],[34]
Investment, Identifier [Axis]: Soleo Holdings, Inc. | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Soleo Holdings, Inc. | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Soleo Holdings, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 58,948,000    
Ending balance 58,406,000 [12],[15],[27]   58,948,000 [8],[9],[26]
Investment, Identifier [Axis]: Soleo Holdings, Inc. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Soliant Lower Intermediate, LLC (dba Soliant) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (878,000)    
Ending balance [18]     (878,000)
Investment, Identifier [Axis]: Soliant Lower Intermediate, LLC (dba Soliant) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] (1,156,000)    
Investment, Identifier [Axis]: Sonny's Enterprises, LLC | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Sonny's Enterprises, LLC | First lien senior secured delayed draw term loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Sonny's Enterprises, LLC | First lien senior secured delayed draw term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 12,896,000    
Ending balance 14,887,000 [12],[15],[22],[27]   12,896,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: Sonny's Enterprises, LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 288,422,000    
Ending balance 269,294,000 [12],[15],[27]   288,422,000 [8],[9],[26]
Investment, Identifier [Axis]: Sonny's Enterprises, LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Sonny's Enterprises, LLC | First lien senior secured revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Sonny's Enterprises, LLC | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 9,391,000    
Ending balance 17,665,000 [12],[15],[22],[27]   9,391,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: Space Exploration Technologies Corp. | Class A Common Stock | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[19],[21] 18,053,000    
Ending balance 12,271,000 [12],[15],[23],[25]   18,053,000 [8],[9],[19],[21]
Investment, Identifier [Axis]: Space Exploration Technologies Corp. | Class C Common Stock | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[19],[21] 3,626,000    
Ending balance 2,464,000 [12],[15],[23],[25]   3,626,000 [8],[9],[19],[21]
Investment, Identifier [Axis]: Spaceship Purchaser, Inc. (dba Squarespace) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (50,000) [17]   0 [18]
Investment, Identifier [Axis]: Spaceship Purchaser, Inc. (dba Squarespace) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 12,853,000    
Ending balance 12,660,000 [12],[15],[27]   12,853,000 [8],[9],[26]
Investment, Identifier [Axis]: Spaceship Purchaser, Inc. (dba Squarespace) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (52,000) [17]   0 [18]
Investment, Identifier [Axis]: Spotless Brands, LLC | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Spotless Brands, LLC | First lien senior secured delayed draw term loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Spotless Brands, LLC | First lien senior secured delayed draw term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 4,135,000    
Ending balance 5,430,000 [12],[15],[22],[27]   4,135,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: Spotless Brands, LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[41] 94,049,000    
Ending balance 93,805,000 [12],[15],[27]   94,049,000 [8],[9],[41]
Investment, Identifier [Axis]: Spotless Brands, LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Spotless Brands, LLC | First lien senior secured revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Spotless Brands, LLC | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[28] 522,000    
Ending balance [8],[9],[20],[28]     522,000
Investment, Identifier [Axis]: Sunshine Software Holdings, Inc. (dba Cornerstone OnDemand, Inc.) | Series A Preferred Stock | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [7],[8],[9],[21] 66,872,000    
Ending balance 45,173,000 [12],[14],[15],[23]   66,872,000 [7],[8],[9],[21]
Investment, Identifier [Axis]: Swipe Acquisition Corporation (dba PLI) | First lien senior secured loan 1 | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[10],[28] 72,529,000    
Ending balance 72,529,000 [12],[13],[15],[27]   72,529,000 [8],[9],[10],[28]
Investment, Identifier [Axis]: Swipe Acquisition Corporation (dba PLI) | First lien senior secured loan 2 | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[10],[20],[28] 42,382,000    
Ending balance 45,924,000 [12],[13],[15],[22],[27]   42,382,000 [8],[9],[10],[20],[28]
Investment, Identifier [Axis]: Swipe Acquisition Corporation (dba PLI) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: TBRS, Inc. (dba TEAM Technologies) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: TBRS, Inc. (dba TEAM Technologies) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 41,362,000    
Ending balance 40,905,000 [12],[15],[27]   41,362,000 [8],[9],[26]
Investment, Identifier [Axis]: TBRS, Inc. (dba TEAM Technologies) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (28,000)    
Ending balance [18]     (28,000)
Investment, Identifier [Axis]: TBRS, Inc. (dba TEAM Technologies) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] (28,000)    
Investment, Identifier [Axis]: TCB Holdings I LLC (dba TricorBraun) | Class A Preferred Units | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [7],[8],[9],[21] 46,058,000    
Ending balance 45,073,000 [12],[14],[15],[23]   46,058,000 [7],[8],[9],[21]
Investment, Identifier [Axis]: THG Acquisition, LLC (dba Hilb) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: THG Acquisition, LLC (dba Hilb) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[28] 41,511,000    
Ending balance 39,755,000 [12],[15],[22],[29]   41,511,000 [8],[9],[20],[28]
Investment, Identifier [Axis]: THG Acquisition, LLC (dba Hilb) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: THG Acquisition, LLC (dba Hilb) | First lien senior secured revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Tamarack Intermediate, L.L.C. (dba Verisk 3E) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Tamarack Intermediate, L.L.C. (dba Verisk 3E) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 1,942,000    
Ending balance 1,541,000 [12],[15],[22],[27]   1,942,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: Tamarack Intermediate, L.L.C. (dba Verisk 3E) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (5,000) [17]   0 [18]
Investment, Identifier [Axis]: The Shade Store, LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 17,436,000    
Ending balance 18,093,000 [12],[15],[27]   17,436,000 [8],[9],[26]
Investment, Identifier [Axis]: Themis Solutions Inc. (dba Clio) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (38,000)    
Ending balance (156,000) [17]   (38,000) [18]
Investment, Identifier [Axis]: Themis Solutions Inc. (dba Clio) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] (103,000)    
Investment, Identifier [Axis]: Themis Solutions Inc. (dba Clio) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[28] 8,719,000    
Ending balance 8,646,000 [12],[15],[16],[29]   8,719,000 [8],[9],[11],[28]
Investment, Identifier [Axis]: Themis Solutions Inc. (dba Clio) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (31,000)    
Ending balance (86,000) [17]   (31,000) [18]
Investment, Identifier [Axis]: Thunder Purchaser, Inc. (dba Vector Solutions) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 105,094,000    
Ending balance 95,006,000 [12],[15],[27]   105,094,000 [8],[9],[26]
Investment, Identifier [Axis]: Thunder Purchaser, Inc. (dba Vector Solutions) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (158,000) [17]   0 [18]
Investment, Identifier [Axis]: Thunder Topco L.P. (dba Vector Solutions) | Common Units | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[19],[21] 7,100,000    
Ending balance 6,273,000 [12],[15],[23],[25]   7,100,000 [8],[9],[19],[21]
Investment, Identifier [Axis]: Tivity Health, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 977,000    
Ending balance 139,000 [12],[15],[29]   977,000 [8],[9],[28]
Investment, Identifier [Axis]: Troon Golf, L.L.C. | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Troon Golf, L.L.C. | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Troon Golf, L.L.C. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 86,223,000    
Ending balance 86,004,000 [12],[15],[22],[27]   86,223,000 [8],[9],[20],[26]
Investment, Identifier [Axis]: Troon Golf, L.L.C. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Troon Golf, L.L.C.| First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Trucordia Insurance Holdings, LLC | Second lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 149,625,000    
Ending balance 145,875,000 [12],[15],[29]   149,625,000 [8],[9],[28]
Investment, Identifier [Axis]: Truist Insurance Holdings, LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Truist Insurance Holdings, LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Truist Insurance Holdings, LLC | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[22],[27] 842,000    
Investment, Identifier [Axis]: USRP Holdings, Inc. (dba U.S. Retirement and Benefits Partners) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 51,975,000    
Ending balance 51,174,000 [12],[15],[29]   51,975,000 [8],[9],[28]
Investment, Identifier [Axis]: USRP Holdings, Inc. (dba U.S. Retirement and Benefits Partners) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Unified Women's Healthcare, LP | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] (2,000)    
Investment, Identifier [Axis]: Unified Women's Healthcare, LP | First lien senior secured delayed draw term loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Unified Women's Healthcare, LP | First lien senior secured delayed draw term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 17,140,000    
Ending balance [8],[9],[28]     17,140,000
Investment, Identifier [Axis]: Unified Women's Healthcare, LP | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 43,947,000    
Ending balance 55,986,000 [12],[15],[27]   43,947,000 [8],[9],[26]
Investment, Identifier [Axis]: Unified Women's Healthcare, LP | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (1,000) [17]   0 [18]
Investment, Identifier [Axis]: VCI Asset Holdings 1 LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [7],[8],[9],[11] 89,550,000    
Ending balance 88,510,000 [12],[14],[15],[16]   89,550,000 [7],[8],[9],[11]
Investment, Identifier [Axis]: VCI Intermediate TopCo 1 LLC | Class B Units | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[19],[21] 4,522,000    
Ending balance 4,316,000 [12],[15],[16],[23],[25]   4,522,000 [8],[9],[11],[19],[21]
Investment, Identifier [Axis]: VEPF Torreys Aggregator, LLC (dba MINDBODY, Inc.) | Series A Preferred Stock | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [7],[8],[9],[21] 31,440,000    
Ending balance [7],[8],[9],[21]     31,440,000
Investment, Identifier [Axis]: VEPF VIII Co-Invest 8-A, L.P. | Limited Partner Interest | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[23],[25] 982,000    
Investment, Identifier [Axis]: Valeris, Inc. (fka Phantom Purchaser, Inc.) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 42,131,000    
Ending balance 42,025,000 [12],[15],[27]   42,131,000 [8],[9],[26]
Investment, Identifier [Axis]: Valeris, Inc. (fka Phantom Purchaser, Inc.) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (14,000)    
Ending balance (14,000) [17]   (14,000) [18]
Investment, Identifier [Axis]: Valor Cl Blocker Feeder LP | LP Interest      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Valor Cl Blocker Feeder LP | LP Interest | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[14],[15],[16],[22],[23],[25] 2,650,000    
Investment, Identifier [Axis]: Valor Compute Infrastructure L.P. | LP Interest 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Valor Compute Infrastructure L.P. | LP Interest | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[19],[20],[21] 1,583,000    
Ending balance [8],[9],[11],[19],[20],[21]     1,583,000
Investment, Identifier [Axis]: Vensure Employer Services, Inc. | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (1,000) [17]   0 [18]
Investment, Identifier [Axis]: Vensure Employer Services, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 1,931,000    
Ending balance 2,339,000 [12],[15],[27]   1,931,000 [8],[9],[26]
Investment, Identifier [Axis]: Vermont Aus Pty Ltd | First lien senior secured AUD term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[52] 1,713,000    
Ending balance 1,412,000 [12],[15],[16],[53]   1,713,000 [8],[9],[11],[52]
Investment, Identifier [Axis]: Vessco Midco Holdings, LLC | First lien senior secured delayed draw term loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Vessco Midco Holdings, LLC | First lien senior secured delayed draw term loan 2      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Vessco Midco Holdings, LLC | First lien senior secured delayed draw term loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[20],[26] 12,599,000    
Ending balance [8],[9],[20],[26]     12,599,000
Investment, Identifier [Axis]: Vessco Midco Holdings, LLC | First lien senior secured loan 1 | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[28] 45,722,000    
Ending balance 45,722,000 [12],[15],[29]   45,722,000 [8],[9],[28]
Investment, Identifier [Axis]: Vessco Midco Holdings, LLC | First lien senior secured loan 2 | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[41] 14,543,000    
Ending balance 28,615,000 [12],[15],[22],[42]   14,543,000 [8],[9],[41]
Investment, Identifier [Axis]: Vessco Midco Holdings, LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Vital Bidco AB (dba Vitamin Well) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[28] 61,574,000    
Ending balance 61,418,000 [12],[15],[16],[29]   61,574,000 [8],[9],[11],[28]
Investment, Identifier [Axis]: Vital Bidco AB (dba Vitamin Well) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: WMC Bidco, Inc. (dba West Monroe) | Senior Preferred Stock | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [7],[8],[9],[21] 78,491,000    
Ending balance 79,476,000 [12],[14],[15],[23]   78,491,000 [7],[8],[9],[21]
Investment, Identifier [Axis]: WP Irving Co-Invest, L.P. | Partnership Units | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[19],[21] 1,805,000    
Ending balance 1,257,000 [12],[15],[16],[23],[25]   1,805,000 [8],[9],[11],[19],[21]
Investment, Identifier [Axis]: WU Holdco, Inc. (dba PurposeBuilt Brands) 1 | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: WU Holdco, Inc. (dba PurposeBuilt Brands) | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: WU Holdco, Inc. (dba PurposeBuilt Brands) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 94,201,000    
Ending balance 94,377,000 [12],[15],[22],[27]   94,201,000 [8],[9],[26]
Investment, Identifier [Axis]: WU Holdco, Inc. (dba PurposeBuilt Brands) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (57,000) [17]   0 [18]
Investment, Identifier [Axis]: Walker Edison Furniture Company LLC      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 15,087,000 12,411,000 12,411,000
Gross Additions [5] 0   11,997,000
Gross Reductions [6] (2,000)   (1,783,000)
Net change in unrealized gain (loss) 56,014,000   (7,603,000)
Realized Gains (Losses) (56,356,000)   65,000
Transfers     0
Ending balance 14,743,000   15,087,000
Interest and PIK Income 0   0
Dividend Income 0   0
Other income 0   0
Investment, Identifier [Axis]: Walker Edison Furniture Company LLC | First lien senior secured delayed draw term loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance 0 [17]   0 [18]
Investment, Identifier [Axis]: Walker Edison Furniture Company LLC | First lien senior secured delayed draw term loan 2      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (44,000)    
Ending balance 0 [17]   (44,000) [18]
Investment, Identifier [Axis]: Walker Edison Furniture Company LLC | First lien senior secured delayed draw term loan 3      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Walker Edison Furniture Company LLC | First lien senior secured delayed draw term loan | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[13],[14],[15],[22],[42],[45] 206,000    
Investment, Identifier [Axis]: Walker Edison Furniture Company LLC | First lien senior secured loan 1 | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[10],[20],[26],[44] 483,000    
Ending balance [8],[9],[10],[20],[26],[44]     483,000
Investment, Identifier [Axis]: Walker Edison Furniture Company LLC | First lien senior secured loan 2 | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [7],[8],[9],[10],[20],[44] 14,648,000    
Ending balance [7],[8],[9],[10],[20],[44]     14,648,000
Investment, Identifier [Axis]: Walker Edison Furniture Company LLC | First lien senior secured loan | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[13],[15],[22],[45] 14,537,000    
Investment, Identifier [Axis]: Walker Edison Furniture Company LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Walker Edison Furniture Company LLC | First lien senior secured revolving loan | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[10],[20],[26],[44] 0    
Ending balance [8],[9],[10],[20],[26],[44]     0
Investment, Identifier [Axis]: Walker Edison Holdco LLC | Common Units | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[10],[19],[21] 0    
Ending balance [8],[9],[10],[19],[21]     0
Investment, Identifier [Axis]: Windows Entities | LLC Units | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[11],[21],[54] 138,637,000    
Ending balance 138,629,000 [12],[15],[16],[23],[55]   138,637,000 [8],[9],[11],[21],[54]
Investment, Identifier [Axis]: Wingspire Capital Holdings LLC      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 607,284,000 $ 508,887,000 508,887,000
Gross Additions [5] 0   75,147,000
Gross Reductions [6] 0   (6,000,000)
Net change in unrealized gain (loss) (492,000)   29,250,000
Realized Gains (Losses) 0   0
Transfers     0
Ending balance 606,792,000   607,284,000
Interest and PIK Income 0   0
Dividend Income 12,786,000   45,872,000
Other income 0   0
Investment, Identifier [Axis]: Wingspire Capital Holdings LLC | Specialty finance equity investment      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Wingspire Capital Holdings LLC | Specialty finance equity investment 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Wingspire Capital Holdings LLC | Specialty finance equity investment | Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[10],[20],[21],[35] 607,284,000    
Ending balance 606,792,000 [12],[13],[15],[22],[23],[25],[37]   607,284,000 [8],[9],[10],[20],[21],[35]
Investment, Identifier [Axis]: Wipfli Advisory LLC | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (14,000)    
Ending balance (47,000) [17]   (14,000) [18]
Investment, Identifier [Axis]: Wipfli Advisory LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 26,155,000    
Ending balance 24,623,000 [12],[15],[27]   26,155,000 [8],[9],[26]
Investment, Identifier [Axis]: Wipfli Advisory LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] (19,000)    
Ending balance (47,000) [17]   (19,000) [18]
Investment, Identifier [Axis]: Wrench Group LLC 1 | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] 0    
Investment, Identifier [Axis]: Wrench Group LLC | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Wrench Group LLC | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 100,166,000    
Ending balance 92,800,000 [12],[15],[27]   100,166,000 [8],[9],[26]
Investment, Identifier [Axis]: Wrench Group LLC | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] (64,000)    
Investment, Identifier [Axis]: Wrench Group LLC | First lien senior secured revolving loan 1      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Wrench Group LLC | First lien senior secured revolving loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[50] 2,494,000    
Ending balance 4,656,000 [12],[15],[22],[51]   2,494,000 [8],[9],[50]
Investment, Identifier [Axis]: XOMA Corporation | Warrants | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[19],[21] 346,000    
Ending balance 435,000 [12],[15],[23],[25]   346,000 [8],[9],[19],[21]
Investment, Identifier [Axis]: Zendesk, Inc. | First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance [18]     0
Investment, Identifier [Axis]: Zendesk, Inc. | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[26] 109,267,000    
Ending balance 112,847,000 [12],[15],[27]   109,267,000 [8],[9],[26]
Investment, Identifier [Axis]: Zendesk, Inc. | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [18] 0    
Ending balance (334,000) [17]   0 [18]
Investment, Identifier [Axis]: Zoro TopCo, Inc. | Class A Common Units | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[23],[25] 8,595,000    
Investment, Identifier [Axis]: Zoro TopCo, Inc. | Series A Preferred Equity | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[21],[26] 6,275,000    
Ending balance 4,531,000 [12],[15],[23],[27]   6,275,000 [8],[9],[21],[26]
Investment, Identifier [Axis]: Zoro TopCo, L.P. | Class A Common Units | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [8],[9],[19],[21] 11,952,000    
Ending balance [8],[9],[19],[21]     $ 11,952,000
Investment, Identifier [Axis]: dentalcorp Health Services Ltd. (fka Aryeh Bidco Investment Ltd.) | First lien senior secured loan | Non-Affiliated      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [12],[15],[16],[22] 81,610,000    
Investment, Identifier [Axis]: dentalcorp Health Services Ltd. (fka Aryeh Bidco Investment Ltd.) | First lien senior secured revolving loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] (53,000)    
Investment, Identifier [Axis]: dentalcorp Health Services Ltd. (fka Aryeh Bidco Investment Ltd.)| First lien senior secured delayed draw term loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [17] $ 0    
[1] Certain portfolio company investments are subject to contractual restrictions on sales. Refer to footnote 30 for additional information on the Company’s restricted securities.
[2] Unless otherwise indicated, the Company’s portfolio companies are pledged as collateral supporting the amounts outstanding under the Revolving Credit Facility, SPV Asset Facilities and CLOs. See “Note 5 — Debt.”
[3] Certain portfolio company investments are subject to contractual restrictions on sales. Refer to footnote 30 for additional information on the Company’s restricted securities.
[4] Unless otherwise indicated, the Company’s portfolio companies are pledged as collateral supporting the amounts outstanding under the Revolving Credit Facility, SPV Asset Facilities and CLOs. See “Note 5 — Debt.”
[5] Gross additions may include increases in the cost basis of investments resulting from new investments, amounts related to PIK interest capitalized and added to the principal balance of the respective loans, the accretion of discounts, the exchange of one or more existing investments for one or more new investments from a different category.
[6] Gross reductions may include decreases in the cost basis of investments resulting from principal collections related to investment repayments and sales, return of capital, the amortization of premiums and the exchange of one or more existing securities for one or more new securities.
[7] Investment contains a fixed-rate structure.
[8] Represents co-investment made with the Company’s affiliates in accordance with the terms of the exemptive relief that the Company received from the U.S. Securities and Exchange Commission. See “Note 3 — Agreements and Related Party Transactions.”
[9] These investments were valued using unobservable inputs and are considered Level 3 investments.
[10] As defined in the 1940 Act, the Company is deemed to “control” a portfolio company if the Company owns more than 25% of the portfolio company's voting securities or has the power to exercise control over management or policies, including through a management agreement. As defined in the 1940 Act, the Company is an “affiliated person” of this portfolio company if the Company owns more than 5% or more of the portfolio company’s outstanding voting securities. Transactions related to the Company’s investments in non-controlled affiliates and controlled affiliates for the year ended December 31, 2025, were as follows:
CompanyFair value as of December 31, 2024Gross Additions
(a)		Gross Reductions(b)Net Change in Unrealized Gains (Losses)Realized Gains (Losses)TransfersFair value as of December 31, 2025Interest and PIK IncomeDividend IncomeOther Income
Non - Controlled Affiliates
LSI Financing 1 DAC$4,771 $3,041 $(1,001)$(154)$— $— $6,657 $— $555 $— 
LSI Financing LLC158,824 — — — — (158,824)— — — — 
Ideal Image Development, LLC16,183 27,789 (6,618)(35,956)— — 1,398 289 — 27 
Paradigmatic Holdco LLC (dba Pluralsight)55,282 13,840 (114)(24,798)— — 44,210 4,231 — 95 
Blue Owl Cross-Strategy Opportunities 2025-1 LLC (fka Blue Owl Cross-Strategy Opportunities LLC)
— 62,042 — (115)— — 61,927 — 406 — 
Total$235,060 $106,712 $(7,733)$(61,023)$— $(158,824)$114,192 $4,520 $961 $122 
Controlled AffiliatesFair value as of December 31, 2024Gross Additions
(a)		Gross Reductions(b)Net Change in Unrealized Gains (Losses)Realized Gains (Losses)TransfersFair value as of December 31, 2025Interest and PIK IncomeDividend IncomeOther Income
AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC(d)
$75,111 $29,227 $(1,290)$6,022 $— — $109,070 $7,359 $— $— 
AAM Series 2.1 Aviation Feeder, LLC(d)
77,680 55,580 (2,911)12,808 — — 143,157 8,741 — — 
Blue Owl Credit SLF LLC(c)
295,476 127,929 — (8,157)— — 415,248 — 41,392 — 
Blue Owl Leasing LLC(c)
— 860 — (3)— — 857 — — — 
Eagle Infrastructure Services, LLC111,801 349 — 33,372 — — 145,522 10,824 4,738 50 
Fifth Season Investments LLC223,274 162,235 — 17,661 — — 403,170 — 37,727 — 
LSI Financing LLC— 178,159 (139,658)13,310 — 158,824 210,634 — 13,049 — 
New PLI Holdings, LLC (dba PLI)200,472 7,025 (11)(5,174)— — 202,312 13,043 3,559 75 
Notorious Holdings LLC (dba Beauty Industry Group)
— 105,222 — (71)— — 105,151 270 — 2 
PS Operating Company LLC (fka QC Supply, LLC)2,916 995 (1,836)2,079 — — 4,154 — — — 
Walker Edison Furniture Company LLC12,411 11,997 (1,783)(7,603)65 — 15,087 — — — 
Wingspire Capital Holdings LLC508,887 75,147 (6,000)29,250 — — 607,284 — 45,872 — 
Total$1,508,028 $754,725 $(153,489)$93,494 $65 $158,824 $2,361,646 $40,237 $146,337 $127 
_______________
(a)Gross additions may include increases in the cost basis of investments resulting from new investments, amounts related to PIK interest capitalized and added to the principal balance of the respective loans, the accretion of discounts, the exchange of one or more existing investments for one or more new investments from a different category.
(b)Gross reductions may include decreases in the cost basis of investments resulting from principal collections related to investment repayments and sales, return of capital, the amortization of premiums and the exchange of one or more existing securities for one or more new securities.
(c)For further description of the Company's investment in Credit SLF and Blue Owl Leasing see “Note 4 — Investments.”
(d)In connection with its investment in Amergin Assetco the Company made a minority investment in Amergin Asset Management, LLC, which has entered into a Servicing Agreement with Amergin Assetco.
[11] This portfolio company is not a qualifying asset under Section 55(a) of the 1940 Act. Under the 1940 Act, the Company may not acquire any non-qualifying asset unless, at the time such acquisition is made, qualifying assets represent at least 70% of total assets. As of December 31, 2025, non-qualifying assets represented 15.0% of total assets as calculated in accordance with the regulatory requirements.
[12] Represents co-investment made with the Company’s affiliates in accordance with the terms of the exemptive relief that the Company received from the U.S. Securities and Exchange Commission. See “Note 3 — Agreements and Related Party Transactions.”
[13] As defined in the Investment Company Act of 1940, as amended (the “1940 Act”), the Company is deemed to “control” a portfolio company if the Company owns more than 25% of the portfolio company's voting securities or has the power to exercise control over management or policies, including through a management agreement. As defined in the 1940 Act, the Company is an “affiliated person” of this portfolio company if the Company owns more than 5% or more of the portfolio company’s outstanding voting securities. Transactions related to the Company’s investments in non-controlled affiliates and controlled affiliates for the three months ended March 31, 2026, were as follows:
CompanyFair value as of December 31, 2025Gross Additions
(a)		Gross Reductions(b)Net Change in Unrealized Gains (Losses)Realized Gains (Losses)Fair value as of March 31, 2026Interest and PIK IncomeDividend IncomeOther Income
Non - Controlled Affiliates
LSI Financing 1 DAC$6,657 $— $— $100 $— $6,757 $— $— $— 
Ideal Image Development, LLC1,398 2,873 (1,897)36,848 (39,222)— — — — 
Paradigmatic Holdco LLC (dba Pluralsight)44,210 119 (57)(12,670)— 31,602 480 — 26 
Blue Owl Cross-Strategy Opportunities 2025-1 LLC (fka Blue Owl Cross-Strategy Opportunities LLC)
61,927 50,231 — (514)— 111,644 — 3,195 — 
Total$114,192 $53,223 $(1,954)$23,764 $(39,222)$150,003 $480 $3,195 $26 
Controlled AffiliatesFair value as of December 31, 2025Gross Additions
(a)		Gross Reductions(b)Net Change in Unrealized Gains (Losses)Realized Gains (Losses)Fair value as of March 31, 2026Interest and PIK IncomeDividend IncomeOther Income
AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC(d)
$109,070 $2,546 $— $(2,757)$— $108,859 $2,061 $— $— 
AAM Series 2.1 Aviation Feeder, LLC(d)
143,157 2,780 (286)(2,254)— 143,397 2,669 — — 
Blue Owl Credit SLF LLC(c)
415,248 5,736 — (32,957)— 388,027 — 8,863 — 
OWL-HP FINANCE LLC(c)
— 17,279 — 23 — 17,302 — — — 
Blue Owl Leasing LLC(c)
857 — — (1)— 856 — — — 
Eagle Infrastructure Services, LLC145,522 89 — 26,498 — 172,109 2,556 1,462 13 
Fifth Season Investments LLC403,170 — (101,056)1,034 — 303,148 — 8,587 — 
LSI Financing LLC210,634 67,711 (4,881)1,253 — 274,717 — 5,379 — 
New PLI Holdings, LLC (dba PLI)202,312 3,424 — (261)— 205,475 2,999 1,112 25 
Notorious Holdings LLC (dba Beauty Industry Group)
105,151 2,116 — (1,306)— 105,961 1,871 — 165 
PS Operating Company LLC (fka QC Supply, LLC)4,154 331 — (2,364)— 2,121 — — — 
Walker Edison Furniture Company LLC15,087 — (2)56,014 (56,356)14,743 — — — 
Wingspire Capital Holdings LLC607,284 — — (492)— 606,792 — 12,786 — 
Total$2,361,646 $102,012 $(106,225)$42,430 $(56,356)$2,343,507 $12,156 $38,189 $203 
_______________
(a)Gross additions may include increases in the cost basis of investments resulting from new investments, amounts related to PIK interest capitalized and added to the principal balance of the respective loans, the accretion of discounts, the exchange of one or more existing investments for one or more new investments from a different category.
(b)Gross reductions may include decreases in the cost basis of investments resulting from principal collections related to investment repayments and sales, return of capital, the amortization of premiums and the exchange of one or more existing securities for one or more new securities.
(c)For further description of the Company's investment in Blue Owl Credit SLF LLC (“Credit SLF”), Blue Owl Leasing LLC (“Blue Owl Leasing”) and Owl-HP Finance see “Note 4 — Investments.”
(d)In connection with its investment in AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC and AAM Series 2.1 Aviation Feeder, LLC (collectively, “Amergin Assetco”) the Company made a minority investment in Amergin Asset Management, LLC, which has entered into a Servicing Agreement with Amergin Assetco.
[14] Investment contains a fixed-rate structure
[15] These investments were valued using unobservable inputs and are considered Level 3 investments
[16] This portfolio company is not a qualifying asset under Section 55(a) of the 1940 Act. Under the 1940 Act, the Company may not acquire any non-qualifying asset unless, at the time such acquisition is made, qualifying assets represent at least 70% of total assets. As of March 31, 2026, non-qualifying assets represented 15.4% of total assets as calculated in accordance with the regulatory requirements
[17] The negative cost and fair value results from unamortized fees, which are capitalized to the investment cost of unfunded commitments.
[18] The negative cost and fair value results from unamortized fees, which are capitalized to the investment cost of unfunded commitments.
[19] Non-income producing.
[20] Position or portion thereof is a partially unfunded debt or equity commitment. See “Note 8 — Commitments and Contingencies.”
Unfunded
CompanyCommitment TypeCommitment Expiration DateFunded Commitment
Commitment
Fair Value(23)
Non-controlled/non-affiliated - debt commitments
Aerosmith Bidco 1 Limited (dba Audiotonix)First lien senior secured delayed draw term loan7/2027$— $76,215 $— 
AI Titan Parent, Inc. (dba Prometheus Group)First lien senior secured delayed draw term loan9/2026340 1,170 — 
AlphaSense, Inc.First lien senior secured delayed draw term loan6/2029— 143 — 
AmeriLife Holdings LLCFirst lien senior secured delayed draw term loan6/20261,895 87 — 
Arctic Holdco, LLC (dba Novvia Group)First lien senior secured delayed draw term loan1/20276,688 4,130 — 
Arctic US Bidco, Inc. (dba ThermoSafe)First lien senior secured delayed draw term loan11/2027— 20,833 (52)
Artifact Bidco, Inc. (dba Avetta)First lien senior secured delayed draw term loan7/2027— 2,940 — 
Associations, Inc.First lien senior secured delayed draw term loan7/202814,458 19,280 — 
Bamboo US BidCo LLCFirst lien senior secured delayed draw term loan11/2026856 173 — 
Brightway Holdings, LLCFirst lien senior secured delayed draw term loan1/202717,919 5,684 — 
Cambrex CorporationFirst lien senior secured delayed draw term loan3/2027— 117 — 
Cambrex CorporationFirst lien senior secured delayed draw term loan9/2026— 219 — 
CCM Midco, LLC (f/k/a Cresset Capital Management, LLC)First lien senior secured delayed draw term loan6/20262,010 2,463 — 
CCM Midco, LLC (f/k/a Cresset Capital Management, LLC)First lien senior secured delayed draw term loan1/2027112 8,843 — 
CHA Vision Holdings, Inc. (fka FR Vision Holdings, Inc.)First lien senior secured delayed draw term loan9/2027510 8,827 — 
CivicPlus, LLCFirst lien senior secured delayed draw term loan5/20279,611 6,679 — 
CMG HoldCo, LLC (dba Crete United)First lien senior secured delayed draw term loan7/2027429 850 (1)
Commander Buyer, Inc. (dba CenExel)First lien senior secured delayed draw term loan6/2027— 15,339 — 
Coupa Holdings, LLCFirst lien senior secured delayed draw term loan6/2027— 140 — 
CT Technologies Intermediate Holdings, Inc. (& Smart Holdings Corp.) (dba Datavant)First lien senior secured delayed draw term loan7/2027600 2,462 — 
CT Technologies Intermediate Holdings, Inc. (& Smart Holdings Corp.) (dba Datavant)First lien senior secured delayed draw term loan8/2027— 740 (4)
DCG ACQUISITION CORP. (dba DuBois Chemical)First lien senior secured delayed draw term loan6/20268,636 3,532 — 
Unfunded
CompanyCommitment TypeCommitment Expiration DateFunded Commitment
Commitment
Fair Value(23)
DuraServ LLCFirst lien senior secured delayed draw term loan11/2027— 29,004 (145)
EresearchTechnology, Inc. (dba Clario)First lien senior secured delayed draw term loan1/20272,272 13,957 — 
Essential Services Holding Corporation (dba Turnpoint)First lien senior secured delayed draw term loan6/2026— 5,093 (64)
Eternal Buyer, LLC (dba Wedgewood Weddings)First lien senior secured delayed draw term loan6/2027— 7,000 — 
FR Flow Control CB LLC (dba Trillium Flow Technologies)First lien senior secured delayed draw term loan6/2026— 6,380 — 
Galls, LLCFirst lien senior secured delayed draw term loan3/202634,080 6,752 — 
Galway Borrower LLCFirst lien senior secured delayed draw term loan7/2026634 2,471 — 
GS Acquisitionco, Inc. (dba insightsoftware)First lien senior secured delayed draw term loan5/2027— 888 (7)
GS Acquisitionco, Inc. (dba insightsoftware)First lien senior secured delayed draw term loan3/2026121 204 — 
Hercules Borrower, LLC (dba The Vincit Group)First lien senior secured delayed draw term loan12/2028— 6,996 — 
Horizon Avionics Buyer, LLC (dba Acron Aviation)First lien senior secured delayed draw term loan11/2027— 6,410 (16)
Indigo Buyer, Inc. (dba Inovar Packaging Group)First lien senior secured delayed draw term loan7/20262,452 4,522 — 
Integrity Marketing Acquisition, LLCFirst lien senior secured delayed draw term loan8/2026— 6,224 — 
Interoperability Bidco, Inc. (dba Lyniate)First lien senior secured delayed draw term loan6/2026— 4,762 (24)
Klick Inc.First lien senior secured delayed draw term loan11/2027— 7,659 (19)
KRIV Acquisition Inc. (dba Riveron)First lien senior secured delayed draw term loan9/2027— 1,655 — 
KWOL Acquisition, Inc. (dba Worldwide Clinical Trials)First lien senior secured delayed draw term loan8/202744,410 1,001 — 
Lakefield Acquisition Corp. (dba Lakefield Veterinary Group)First lien senior secured delayed draw term loan9/202683 317 — 
Lightbeam Bidco, Inc. (dba Lazer Spot)First lien senior secured delayed draw term loan12/2027356 498 — 
Litera Bidco LLCFirst lien senior secured delayed draw term loan11/202632,993 2,908 — 
Litera Bidco LLCFirst lien senior secured delayed draw term loan5/2027— 15,101 — 
MAJCO LLC (dba Big Brand Tire & Service)First lien senior secured delayed draw term loan9/20277,204 29,586 — 
Maple Acquisition, LLC (dba Medicus)First lien senior secured delayed draw term loan5/2026— 16,172 — 
Monotype Imaging Holdings Inc.First lien senior secured delayed draw term loan2/20263,214 9,308 — 
NELIPAK EUROPEAN HOLDINGS COÖPERATIEF U.A.First lien senior secured EUR delayed draw term loan3/2027— 21,742 (178)
Nelipak Holding CompanyFirst lien senior secured delayed draw term loan3/20276,262 3,848 — 
Packaging Coordinators Midco, Inc.First lien senior secured delayed draw term loan4/2026782 2,324 — 
Packaging Coordinators Midco, Inc.First lien senior secured delayed draw term loan4/2026— 21,550 — 
Paris US Holdco, Inc. (dba Precinmac)First lien senior secured delayed draw term loan12/2026— 7,442 — 
PerkinElmer U.S. LLCFirst lien senior secured delayed draw term loan10/2027— 4,907 — 
Unfunded
CompanyCommitment TypeCommitment Expiration DateFunded Commitment
Commitment
Fair Value(23)
Premise Health Holding Corp.First lien senior secured delayed draw term loan11/2027— 6,932 (35)
RL Datix Holdings (USA), Inc.First lien senior secured delayed draw term loan4/2027— 12,722 — 
Salinger Bidco Inc. (dba Surgical Information Systems)First lien senior secured delayed draw term loan8/2026— 3,996 — 
Sentinel Buyer Corp. (dba SimpliSafe)First lien senior secured delayed draw term loan11/2027— 3,358 (17)
Severin Acquisition, LLC (dba PowerSchool)First lien senior secured delayed draw term loan10/202766 248 — 
SimonMed, Inc.First lien senior secured delayed draw term loan2/2027101 44 — 
Simplicity Financial Marketing Group Holdings, Inc.First lien senior secured delayed draw term loan12/20265,202 5,702 — 
Smarsh Inc.First lien senior secured delayed draw term loan1/2027— 373 — 
Soleo Holdings, Inc.First lien senior secured delayed draw term loan2/2027— 8,651 — 
Sonny's Enterprises, LLCFirst lien senior secured delayed draw term loan6/202712,896 14,737 — 
Spaceship Purchaser, Inc. (dba Squarespace)First lien senior secured delayed draw term loan10/2027— 2,492 — 
Spotless Brands, LLCFirst lien senior secured delayed draw term loan3/20274,261 25,239 — 
STS PARENT, LLC (dba STS Aviation Group)First lien senior secured delayed draw term loan10/2026— 32,025 (160)
Tamarack Intermediate, L.L.C. (dba Verisk 3E)First lien senior secured delayed draw term loan7/2027140 337 — 
TBRS, Inc. (dba TEAM Technologies)First lien senior secured delayed draw term loan11/2026— 4,887 — 
Themis Solutions Inc. (dba Clio)First lien senior secured delayed draw term loan10/2027— 3,750 (38)
THG Acquisition, LLC (dba Hilb)First lien senior secured delayed draw term loan10/20262,526 6,172 — 
Troon Golf, L.L.C.First lien senior secured delayed draw term loan9/20266,185 6,248 — 
Unified Women's Healthcare, LPFirst lien senior secured delayed draw term loan9/2027— 3,086 — 
Vensure Employer Services, Inc.First lien senior secured delayed draw term loan9/2026— 31 — 
Vessco Midco Holdings, LLCFirst lien senior secured delayed draw term loan7/202612,599 2,642 — 
Vessco Midco Holdings, LLCFirst lien senior secured delayed draw term loan5/2028— 14,139 — 
Wipfli Advisory LLCFirst lien senior secured delayed draw term loan4/2028— 9,837 (14)
Wrench Group LLCFirst lien senior secured delayed draw term loan9/2027— 13,728 — 
WU Holdco, Inc. (dba PurposeBuilt Brands)First lien senior secured delayed draw term loan4/2027— 22,823 — 
Zendesk, Inc.First lien senior secured delayed draw term loan5/2026— 7,963 — 
Aerosmith Bidco 1 Limited (dba Audiotonix)First lien senior secured revolving loan7/2030— 32,230 — 
AI Titan Parent, Inc. (dba Prometheus Group)First lien senior secured revolving loan8/2031— 943 (9)
AmeriLife Holdings LLCFirst lien senior secured revolving loan8/2028167 833 — 
Anaplan, Inc.First lien senior secured revolving loan6/2028— 11,667 — 
Unfunded
CompanyCommitment TypeCommitment Expiration DateFunded Commitment
Commitment
Fair Value(23)
Applied Composites Holdings, LLC (fka AC&A Enterprises Holdings, LLC)*First lien senior secured revolving loan7/20273,554 — — 
Aptean Acquiror, Inc. (dba Aptean)First lien senior secured revolving loan1/2031437 1,092 — 
Arctic US Bidco, Inc. (dba ThermoSafe)First lien senior secured multi-currency revolving loan11/2032— 6,944 (35)
Arctic Holdco, LLC (dba Novvia Group)First lien senior secured revolving loan1/20311,304 5,941 — 
Artifact Bidco, Inc. (dba Avetta)First lien senior secured revolving loan7/2030— 2,100 — 
Ascend Buyer, LLC (dba PPC Flexible Packaging)First lien senior secured revolving loan9/20281,140 7,004 — 
Associations, Inc.First lien senior secured revolving loan7/2028— 27,139 — 
AWP Group Holdings, Inc.First lien senior secured revolving loan12/203060 66 — 
Azurite Intermediate Holdings, Inc. (dba Alteryx, Inc.)First lien senior secured revolving loan3/2031— 1,758 — 
Baker Tilly Advisory Group, LPFirst lien senior secured revolving loan6/2030— 16,190 — 
Bamboo US BidCo LLCFirst lien senior secured revolving loan10/2029— 1,538 — 
Bayshore Intermediate #2, L.P. (dba Boomi)First lien senior secured revolving loan10/20271,832 5,555 — 
BCPE Osprey Buyer, Inc. (dba PartsSource)First lien senior secured revolving loan8/202614,584 2,917 — 
BCTO BSI Buyer, Inc. (dba Buildertrend)First lien senior secured revolving loan12/2028— 9,563 — 
Belmont Buyer, Inc. (dba Valenz)First lien senior secured revolving loan6/2029— 436 — 
Blast Bidco Inc. (dba Bazooka Candy Brands)First lien senior secured revolving loan10/2029— 4,440 — 
BP Veraison Buyer, LLC (dba Sun World)First lien senior secured revolving loan5/2029— 27,932 — 
Bristol Hospice L.L.C.First lien senior secured revolving loan8/2032— 4,007 — 
Brightway Holdings, LLCFirst lien senior secured revolving loan12/20271,739 3,524 — 
By Light Professional IT Services LLCFirst lien senior secured revolving loan7/2031— 3,178 (48)
Cambrex CorporationFirst lien senior secured revolving loan3/20326 96 — 
Catalis Intermediate, Inc. (fka GovBrands Intermediate, Inc.)First lien senior secured revolving loan8/2027205 1,469 — 
CCM Midco, LLC (f/k/a Cresset Capital Management, LLC)First lien senior secured revolving loan6/2029— 2,239 — 
CHA Vision Holdings, Inc. (fka FR Vision Holdings, Inc.)First lien senior secured revolving loan1/2030— 3,112 — 
CivicPlus, LLCFirst lien senior secured revolving loan8/2030— 4,887 — 
CMG HoldCo, LLC (dba Crete United)First lien senior secured revolving loan11/2030— 281 (1)
Commander Buyer, Inc. (dba CenExel)First lien senior secured revolving loan6/2032— 10,226 — 
Coupa Holdings, LLCFirst lien senior secured revolving loan2/2029— 107 — 
Creek Parent, Inc. (dba Catalent)First lien senior secured revolving loan12/2031— 16,401 (82)
Crewline Buyer, Inc. (dba New Relic)First lien senior secured revolving loan11/2030— 14,870 (112)
CT Technologies Intermediate Holdings, Inc. (& Smart Holdings Corp.) (dba Datavant)First lien senior secured revolving loan8/2031— 7,663 — 
DCG ACQUISITION CORP. (dba DuBois Chemical)First lien senior secured revolving loan6/2031— 12,168 (122)
Deerfield Dakota HoldingsFirst lien senior secured revolving loan9/2032— 10,864 (54)
Delinea Buyer, Inc. (f/k/a Centrify)First lien senior secured revolving loan3/2027— 6,817 — 
Denali Intermediate Holdings, Inc. (dba Dun & Bradstreet)First lien senior secured revolving loan8/2032— 7,736 (116)
Unfunded
CompanyCommitment TypeCommitment Expiration DateFunded Commitment
Commitment
Fair Value(23)
Diamond Mezzanine 24 LLC (dba United Risk)First lien senior secured revolving loan10/2030380 808 — 
Dresser Utility Solutions, LLCFirst lien senior secured revolving loan3/2029— 9,481 — 
DuraServ LLCFirst lien senior secured revolving loan6/20302,397 15,579 — 
Eagle Family Foods Group LLCFirst lien senior secured revolving loan8/2030— 303 — 
EET Buyer, Inc. (dba e-Emphasys)First lien senior secured revolving loan11/2027— 2,409 — 
Einstein Parent, Inc. (dba Smartsheet)First lien senior secured revolving loan1/2031— 4,488 (34)
Essential Services Holding Corporation (dba Turnpoint)First lien senior secured revolving loan6/20301,273 1,910 — 
EresearchTechnology, Inc. (dba Clario)First lien senior secured revolving loan10/2031— 8,114 — 
Eternal Buyer, LLC (dba Wedgewood Weddings)First lien senior secured revolving loan6/2032— 7,000 (35)
Evolution BuyerCo, Inc. (dba SIAA)First lien senior secured revolving loan4/2030— 52 — 
Fiesta Purchaser, Inc. (dba Shearer's Foods)First lien senior secured revolving loan2/2029956 7,241 — 
Flexera Software LLCFirst lien senior secured revolving loan8/2032— 1,348 (3)
Fortis Solutions Group, LLCFirst lien senior secured revolving loan10/20271,053 2,557 — 
Foundation Consumer Brands, LLCFirst lien senior secured revolving loan2/2029— 4,791 (24)
FR Flow Control CB LLC (dba Trillium Flow Technologies)First lien senior secured revolving loan12/2029— 5,220 — 
Gainsight, Inc.First lien senior secured revolving loan7/2027— 4,537 — 
Galls, LLCFirst lien senior secured revolving loan3/20305,320 11,048 — 
Galway Borrower LLCFirst lien senior secured revolving loan9/202869 323 — 
Gaylord Chemical Company, L.L.C.First lien senior secured revolving loan12/202710,648 6,526 — 
Gerson Lehrman Group, Inc.First lien senior secured revolving loan12/2028— 7,891 — 
GI Apple Midco LLC (dba Atlas Technical Consultants)First lien senior secured revolving loan4/202950 61 — 
GI Ranger Intermediate, LLC (dba Rectangle Health)First lien senior secured revolving loan10/2027272 1,770 — 
Granicus, Inc.First lien senior secured revolving loan1/2031— 2,467 — 
GS Acquisitionco, Inc. (dba insightsoftware)First lien senior secured revolving loan5/202892 156 — 
H&F Opportunities LUX III S.À R.L (dba Checkmarx)First lien senior secured revolving loan4/2027— 16,250 — 
Hercules Borrower, LLC (dba The Vincit Group)First lien senior secured revolving loan12/2028— 10,835 — 
Horizon Avionics Buyer, LLC (dba Acron Aviation)First lien senior secured revolving loan3/2032628 2,577 — 
HGH Purchaser, Inc. (dba Horizon Services)First lien senior secured revolving loan11/202810,806 5,825 — 
Hissho Parent, LLCFirst lien senior secured revolving loan5/2029— 2,379 — 
Hyland Software, Inc.First lien senior secured revolving loan9/2029— 3,198 — 
Icefall Parent, Inc. (dba EngageSmart)First lien senior secured revolving loan1/2030— 511 — 
IG Investments Holdings, LLC (dba Insight Global)First lien senior secured revolving loan9/2028— 12,513 — 
Indigo Buyer, Inc. (dba Inovar Packaging Group)First lien senior secured revolving loan5/2028— 200 — 
Indikami Bidco, LLC (dba IntegriChain)First lien senior secured revolving loan6/20301,586 501 — 
Integrity Marketing Acquisition, LLCFirst lien senior secured revolving loan8/2028— 4,623 — 
Unfunded
CompanyCommitment TypeCommitment Expiration DateFunded Commitment
Commitment
Fair Value(23)
Interoperability Bidco, Inc. (dba Lyniate)First lien senior secured revolving loan3/20281,128 4,513 — 
Intelerad Medical Systems Incorporated (fka 11849573 Canada Inc.)*First lien senior secured revolving loan8/202611,175 — — 
IRI Group Holdings, Inc. (f/k/a Circana Group, L.P. (f/k/a The NPD Group, L.P.))First lien senior secured revolving loan12/2028— 4,007 — 
JS Parent, Inc. (dba Jama Software)First lien senior secured revolving loan4/2031— 88 — 
KABAFUSION Parent, LLCFirst lien senior secured revolving loan11/2031— 3,889 — 
Klick Inc.First lien senior secured revolving loan11/2031— 7,659 (38)
KRIV Acquisition Inc. (dba Riveron)First lien senior secured revolving loan7/2031114 1,333 — 
KWOL Acquisition, Inc. (dba Worldwide Clinical Trials)First lien senior secured revolving loan12/2029— 16,029 (40)
Lakefield Acquisition Corp. (dba Lakefield Veterinary Group)First lien senior secured revolving loan9/2029— 67 — 
Lightbeam Bidco, Inc. (dba Lazer Spot)First lien senior secured revolving loan5/2029— 476 — 
Lignetics Investment Corp.First lien senior secured revolving loan10/2026— 12,353 (31)
Litera Bidco LLCFirst lien senior secured revolving loan5/2028— 8,595 — 
MAJCO LLC (dba Big Brand Tire & Service)First lien senior secured revolving loan9/2032— 10,511 (26)
Maple Acquisition, LLC (dba Medicus)First lien senior secured revolving loan5/2030— 12,129 — 
Mario Purchaser, LLC (dba Len the Plumber)First lien senior secured revolving loan4/20281,766 168 — 
MHE Intermediate Holdings, LLC (dba OnPoint Group)First lien senior secured revolving loan7/20277,643 11,464 — 
Milan Laser Holdings LLCFirst lien senior secured revolving loan4/2027— 8,112 (203)
MINDBODY, Inc.First lien senior secured revolving loan9/2027— 6,071 — 
Ministry Brands Holdings, LLCFirst lien senior secured revolving loan12/202790 987 — 
Minotaur Acquisition, Inc. (dba Inspira Financial)First lien senior secured revolving loan6/2030— 20,009 — 
Modernizing Medicine, Inc. (dba ModMed)First lien senior secured revolving loan4/2032— 71 — 
Monotype Imaging Holdings Inc.First lien senior secured revolving loan2/2030— 18,843 — 
National Dentex Labs LLC (fka Barracuda Dental LLC)First lien senior secured revolving loan4/202610,817 109 — 
National Dentex Labs LLC (fka Barracuda Dental LLC)*First lien senior secured revolving loan4/2026806 — — 
Natural Partners, LLCFirst lien senior secured revolving loan11/2030— 557 — 
NELIPAK EUROPEAN HOLDINGS COÖPERATIEF U.A.First lien senior secured EUR revolving loan3/2031354 3,702 — 
Nelipak Holding CompanyFirst lien senior secured revolving loan3/20311,132 6,413 — 
NMI Acquisitionco, Inc. (dba Network Merchants)First lien senior secured revolving loan9/2028— 2,210 — 
Norvax, LLC (dba GoHealth)*First lien senior secured revolving loan8/20293,955 — — 
OB Hospitalist Group, Inc.First lien senior secured revolving loan9/2027— 21,999 — 
Offen, Inc.First lien senior secured revolving loan7/2029— 2,185 (22)
Ole Smoky Distillery, LLCFirst lien senior secured revolving loan3/2028— 116 (6)
Packaging Coordinators Midco, Inc.First lien senior secured revolving loan10/2032— 16,889 (84)
Paris US Holdco, Inc. (dba Precinmac)First lien senior secured revolving loan12/2031279 3,442 — 
Patriot Acquisition TopCo S.À R.L. (dba Corza Health, Inc.)First lien senior secured revolving loan1/20281,157 15,036 — 
PDI TA Holdings, Inc.First lien senior secured revolving loan2/20311,338 486 — 
Unfunded
CompanyCommitment TypeCommitment Expiration DateFunded Commitment
Commitment
Fair Value(23)
PetVet Care Centers, LLCFirst lien senior secured revolving loan11/20291,830 16,469 — 
Plasma Buyer LLC (dba PathGroup)*First lien senior secured revolving loan5/2028159 — — 
PPV Intermediate Holdings, LLCFirst lien senior secured revolving loan8/2029260 1,821 — 
Premise Health Holding Corp.First lien senior secured revolving loan11/2031— 8,920 (89)
Puma Buyer, LLC (dba PANTHERx)First lien senior secured revolving loan3/2032— 208 — 
QAD, Inc.First lien senior secured revolving loan11/2027— 9,429 — 
Quva Pharma, Inc.First lien senior secured revolving loan4/20263,835 1,347 — 
Relativity ODA LLCFirst lien senior secured revolving loan5/2029— 8,655 — 
Rhea Parent, Inc.First lien senior secured revolving loan12/2030— 4,480 (45)
RL Datix Holdings (USA), Inc.First lien senior secured revolving loan10/2030— 11,139 — 
Salinger Bidco Inc. (dba Surgical Information Systems)First lien senior secured revolving loan5/2031333 3,663 — 
Sara Lee Frozen Bakery, LLC (fka KSLB Holdings, LLC)First lien senior secured revolving loan7/20274,774 4,226 — 
Securonix, Inc.First lien senior secured revolving loan4/2028— 305 (30)
Sensor Technology Topco, Inc. (dba Humanetics)First lien senior secured revolving loan5/20282,423 4,846 — 
Severin Acquisition, LLC (dba PowerSchool)First lien senior secured revolving loan10/2031— 189 (2)
Simplicity Financial Marketing Group Holdings, Inc.First lien senior secured revolving loan12/2031— 5,464 — 
SimonMed, Inc.First lien senior secured revolving loan2/203144 53 — 
Smarsh Inc.First lien senior secured revolving loan2/202977 121 — 
Soleo Holdings, Inc.First lien senior secured revolving loan2/2032— 8,651 — 
Soliant Lower Intermediate, LLC (dba Soliant)First lien senior secured revolving loan6/2031— 4,444 (878)
Sonny's Enterprises, LLCFirst lien senior secured revolving loan8/20279,510 14,188 — 
Spaceship Purchaser, Inc. (dba Squarespace)First lien senior secured revolving loan10/2031— 2,076 — 
Spotless Brands, LLCFirst lien senior secured revolving loan7/2028522 2,088 — 
STS PARENT, LLC (dba STS Aviation Group)First lien senior secured revolving loan10/20309,127 3,683 — 
SWK BUYER, Inc. (dba Stonewall Kitchen)First lien senior secured revolving loan3/2029— 140 (4)
Tamarack Intermediate, L.L.C. (dba Verisk 3E)First lien senior secured revolving loan3/2029— 253 — 
TBRS, Inc. (dba TEAM Technologies)First lien senior secured revolving loan11/2030— 5,585 (28)
Themis Solutions Inc. (dba Clio)First lien senior secured revolving loan10/2032— 3,125 (31)
THG Acquisition, LLC (dba Hilb)First lien senior secured revolving loan10/2031572 3,782 — 
Thunder Purchaser, Inc. (dba Vector Solutions)First lien senior secured revolving loan6/2027— 8,545 — 
Troon Golf, L.L.C.First lien senior secured revolving loan8/2028— 6,248 — 
Truist Insurance Holdings, LLCFirst lien senior secured revolving loan5/2029— 1,755 — 
Unified Women's Healthcare, LPFirst lien senior secured revolving loan6/2029— 177 — 
USRP Holdings, Inc. (dba U.S. Retirement and Benefits Partners)First lien senior secured revolving loan12/2029— 5,335 — 
Valeris, Inc. (fka Phantom Purchaser, Inc.)First lien senior secured revolving loan9/2031— 5,443 (14)
Vessco Midco Holdings, LLCFirst lien senior secured revolving loan7/2031— 5,080 — 
Vital Bidco AB (dba Vitamin Well)First lien senior secured revolving loan10/2030— 14,522 — 
Wipfli Advisory LLCFirst lien senior secured revolving loan10/2032— 6,558 (19)
Wrench Group LLCFirst lien senior secured revolving loan9/20312,562 11,165 — 
Unfunded
CompanyCommitment TypeCommitment Expiration DateFunded Commitment
Commitment
Fair Value(23)
WU Holdco, Inc. (dba PurposeBuilt Brands)First lien senior secured revolving loan4/2032609 6,492 — 
Zendesk, Inc.First lien senior secured revolving loan11/2028— 9,557 — 
Total non-controlled/non-affiliated - debt commitments$381,852 $1,511,879 $(3,039)
Non-controlled/non-affiliated - equity commitments
Percheron Horsepower-A LP (dba Big Brand Tire & Service)Limited Partner InterestN/A$12,207 $2,006 $— 
Valor Compute Infrastructure L.P.LP InterestN/A1,583 2,940 — 
Total non-controlled/non-affiliated - equity commitments$13,790 $4,946 $— 
Non-controlled/affiliated - debt commitments
Pluralsight, LLCFirst lien senior secured delayed draw term loan8/2029$— $9,524 $(190)
Ideal Image Development, LLCFirst lien senior secured revolving loan2/20294,821 1,887 — 
Ideal Image Development, LLC*First lien senior secured revolving loan2/2029468 — — 
Pluralsight, LLCFirst lien senior secured revolving loan8/2029— 3,810 (76)
Total non-controlled/affiliated - debt commitments$5,289 $15,221 $(266)
Controlled/affiliated - debt commitments
Walker Edison Furniture Company LLCFirst lien senior secured delayed draw term loan3/2027$3,097 $1,327 $— 
Walker Edison Furniture Company LLCFirst lien senior secured delayed draw term loan2/2026— 958 (44)
Walker Edison Furniture Company LLCFirst lien senior secured delayed draw term loan2/20261,531 1,228 — 
Notorious Topco, LLC (dba Beauty Industry Group)First lien senior secured revolving loan12/2030— 8,601 (43)
PS Operating Company LLC (fka QC Supply, LLC)First lien senior secured revolving loan12/20264,594 1,500 — 
Swipe Acquisition Corporation (dba PLI)First lien senior secured revolving loan11/202713,125 222 — 
Walker Edison Furniture Company LLC*First lien senior secured revolving loan3/202714,575 — — 
Total controlled/affiliated - debt commitments$36,922 $13,836 $(87)
Controlled/affiliated - equity commitments
AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLCSpecialty finance equity investmentN/A$30,937 $45,278 $— 
Wingspire Capital Holdings LLCSpecialty finance equity investmentN/A500,552 4,448 — 
LSI Financing LLCSpecialty finance equity investmentN/A194,833 79,350 — 
Total controlled/affiliated - equity commitments$726,322 $129,076 $— 
Total Portfolio Company Commitments$1,164,175 $1,674,958 $(3,392)
*Fully funded
[21] Securities acquired in transactions exempt from registration under the Securities Act of 1933, as amended (the “Securities Act”) and may be deemed to be “restricted securities” under the Securities Act. As of December 31, 2025, the aggregate fair value of these securities is $3.02 billion or 40.8% of the Company’s net assets. The acquisition dates of the restricted securities are as follows:
Portfolio CompanyInvestmentAcquisition Date
AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC*Specialty finance equity investment7/1/2022
AAM Series 2.1 Aviation Feeder, LLC*Specialty finance equity investment7/1/2022
Alphasense, LLCSeries E Preferred Shares6/27/2024
Amergin Asset Management, LLCSpecialty finance equity investment7/1/2022
Accelerate Topco Holdings, LLCCommon Units9/1/2022
ASP Conair Holdings LPClass A Units5/17/2021
Baypine Commander Co-Invest, LPLP Interest6/24/2025
BEHP Co-Investor II, L.P.LP Interest5/11/2022
Blend Labs, Inc.Warrants7/2/2021
Blue Owl Credit SLF LLC**LLC Interest8/1/2024
Blue Owl Cross-Strategy Opportunities 2025-1 LLC (fka Blue Owl Cross-Strategy Opportunities LLC)*
Specialty finance equity investment8/20/2025
Blue Owl Leasing LLC**
LLC Interest6/30/2025
Brooklyn Lender Co-Invest 2, L.P. (dba Boomi)Common Units10/1/2021
CD&R Value Building Partners I, L.P. (dba Belron)LP Interest12/2/2021
Dodge Construction Network Holdings, L.P.Class A-2 Common Units2/23/2022
Dodge Construction Network Holdings, L.P.Series A Preferred Units2/23/2022
Eagle Infrastructure Services, LLCCommon Units3/31/2023
Elliott Alto Co-Investor Aggregator L.P.LP Interest9/27/2022
Evolution Parent, LP (dba SIAA)LP Interest4/30/2021
Fifth Season Investments LLC*Specialty finance equity investment7/18/2022
Gloves Holdings, LP (dba Protective Industrial Products)LP Interest12/29/2020
GoHealth, Inc.Common stock8/6/2025
GrowthCurve Capital Sunrise Co-Invest LP (dba Brightway)
LP Interest12/16/2021
Hercules Buyer, LLC (dba The Vincit Group)Common Units12/15/2020
Hissho Sushi Holdings, LLCClass A units5/17/2022
Hockey Parent Holdings, L.P.Class A Common Units9/14/2023
Ideal Topco, L.P.Class A-2 Common Units2/20/2024
Ideal Topco, L.P.Class A-1 Preferred Units2/20/2024
Insight CP (Blocker) Holdings, L.P. (dba CivicPlus, LLC)LP Interest6/8/2022
Knockout Intermediate Holdings I Inc. (dba Kaseya Inc.)Perpetual Preferred Stock6/23/2022
KOBHG Holdings, L.P. (dba OB Hospitalist)Class A Interests9/27/2021
KPCI Co-Invest 2, L.P.Class A Units10/15/2025
KWOL Acquisition, Inc. (dba Worldwide Clinical Trials)Class A Interest11/30/2023
LSI Financing 1 DAC*Specialty finance equity investment12/14/2022
Portfolio CompanyInvestmentAcquisition Date
LSI Financing LLC*Specialty finance equity investment11/25/2024
Maia Aggregator, LPClass A-2 Units2/1/2022
Metis HoldCo, Inc. (dba Mavis Tire Express Services)Series A Convertible Preferred Stock5/4/2021
Minerva Holdco, Inc.Senior A Preferred Stock2/15/2022
ModMed Software Midco Holdings, Inc. (dba ModMed)Series A Preferred Units4/30/2025
New PLI Holdings, LLC (dba PLI)Class A Common Units12/23/2020
Bird Holding B.V. (fka MessageBird Holding B.V.)Extended Series C Warrants5/5/2021
Notorious Purchaser II, Inc. (dba Beauty Industry Group)Class B Common Stock12/19/2025
Nscale Global Holdings LimitedPreferred equity9/29/2025
Nscale Global Holdings LimitedSeries B Preferred Shares9/29/2025
Paradigmatic Holdco LLC (dba Pluralsight)Common stock8/22/2024
Patriot Holdings SCSp (dba Corza Health, Inc.)Class A Units1/29/2021
Patriot Holdings SCSp (dba Corza Health, Inc.)Class B Units1/29/2021
PCF Holdco, LLC (dba Trucordia)Preferred equity2/16/2023
PCF Holdco, LLC (dba Trucordia)Warrants2/16/2023
Percheron Horsepower-A LP (dba Big Brand Tire & Service)Limited Partner Interest9/23/2025
Project Alpine Co-Invest Fund, LPLP Interest6/10/2022
Project Hotel California Co-Invest Fund, L.P.LP Interest8/9/2022
PS Op Holdings LLC (fka QC Supply, LLC)Class A Common Units12/21/2021
Rhea Acquisition Holdings, LPSeries A-2 Units2/18/2022
Rome Topco Holdings, LLC (dba SimpliSafe)Class A Units11/6/2025
Rome Topco Holdings, LLC (dba SimpliSafe)Class B Units11/6/2025
Romulus Intermediate Holdings 1 Inc. (dba PetVet Care Centers)Series A Preferred Stock11/15/2023
Snowbird Manager LPLimited Partner Interest12/18/2025
Space Exploration Technologies Corp.Class A Common Stock3/25/2021
Space Exploration Technologies Corp.Class C Common Stock3/25/2021
Sunshine Software Holdings, Inc. (dba Cornerstone OnDemand, Inc.)Series A Preferred Stock10/14/2021
TCB Holdings I LLC (dba TricorBraun)Class A Preferred Units1/31/2025
Thunder Topco L.P. (dba Vector Solutions)Common Units6/30/2021
Valor Compute Infrastructure L.P.LP Interest10/3/2025
VCI Intermediate TopCo 1 LLCClass B Units11/17/2025
VEPF Torreys Aggregator, LLC (dba MINDBODY, Inc.)Series A Preferred Stock10/15/2021
Walker Edison Holdco LLCCommon Units3/1/2023
Windows EntitiesLLC Units1/16/2020
Wingspire Capital Holdings LLC*Specialty finance equity investment9/24/2019
WMC Bidco, Inc. (dba West Monroe)Senior Preferred Stock11/9/2021
WP Irving Co-Invest, L.P.Partnership Units5/18/2022
XOMA CorporationWarrants12/15/2023
Zoro TopCo, Inc.Series A Preferred Equity11/22/2022
Zoro TopCo, L.P.Class A Common Units11/22/2022
*Refer to “Note 3 — Agreements and Related Party Transactions – Controlled/Affiliated Portfolio Companies.”
** Refer to “Note 4 — Investments – Credit SLF LLC and Blue Owl Leasing” for further information.
[22] Position or portion thereof is a partially unfunded debt or equity commitment. See “Note 8 — Commitments and Contingencies.”
Unfunded
CompanyCommitment TypeCommitment Expiration DateFunded CommitmentCommitment
Fair Value(23)
Non-controlled/non-affiliated - debt commitments
Aerosmith Bidco 1 Limited (dba Audiotonix)First lien senior secured delayed draw term loan7/2027$— $72,726 $— 
AI Titan Parent, Inc. (dba Prometheus Group)First lien senior secured delayed draw term loan9/2026340 1,170 — 
AlphaSense, Inc.First lien senior secured delayed draw term loan6/2029— 143 (1)
AmeriLife Holdings LLCFirst lien senior secured delayed draw term loan6/20261,891 87 — 
Arctic Holdco, LLC (dba Novvia Group)First lien senior secured delayed draw term loan1/20276,535 4,046 — 
Arctic US Bidco, Inc. (dba ThermoSafe)First lien senior secured delayed draw term loan11/2027— 20,833 (104)
Artifact Bidco, Inc. (dba Avetta)First lien senior secured delayed draw term loan7/2027— 2,940 (15)
Associations, Inc.First lien senior secured delayed draw term loan7/202815,462 16,859 — 
Brightway Holdings, LLCFirst lien senior secured delayed draw term loan7/2027633 5,050 — 
CCM Midco, LLC (f/k/a Cresset Capital Management, LLC)First lien senior secured delayed draw term loan6/20262,005 2,463 — 
CCM Midco, LLC (f/k/a Cresset Capital Management, LLC)First lien senior secured delayed draw term loan1/2027112 8,843 — 
CHA Vision Holdings, Inc. (fka FR Vision Holdings, Inc.)First lien senior secured delayed draw term loan9/2027840 7,804 — 
CivicPlus, LLCFirst lien senior secured delayed draw term loan5/20279,483 6,554 — 
CMG HoldCo, LLC (dba Crete United)First lien senior secured delayed draw term loan7/2027438 840 (12)
Commander Buyer, Inc. (dba CenExel)First lien senior secured delayed draw term loan6/2027— 15,339 — 
Coupa Holdings, LLCFirst lien senior secured delayed draw term loan6/2027— 140 (5)
CT Technologies Intermediate Holdings, Inc. (& Smart Holdings Corp.) (dba Datavant)First lien senior secured delayed draw term loan7/2027591 2,434 — 
CT Technologies Intermediate Holdings, Inc. (& Smart Holdings Corp.) (dba Datavant)First lien senior secured delayed draw term loan8/2027— 732 (7)
DCG ACQUISITION CORP. (dba DuBois Chemical)First lien senior secured delayed draw term loan6/20268,386 3,430 — 
dentalcorp Health Services Ltd. (fka Aryeh Bidco Investment Ltd.)First lien senior secured delayed draw term loan1/20282,126 12,755 — 
DuraServ LLCFirst lien senior secured delayed draw term loan11/2027— 28,387 (355)
EOS Finco S.A.R.L (dba Netceed)First lien senior secured delayed draw term loan7/2027694 1,053 — 
Essential Services Holding Corporation (dba Turnpoint)First lien senior secured delayed draw term loan6/2026— 4,946 (111)
Eternal Buyer, LLC (dba Wedgewood Weddings)First lien senior secured delayed draw term loan6/2027— 7,000 — 
Unfunded
CompanyCommitment TypeCommitment Expiration DateFunded CommitmentCommitment
Fair Value(23)
FR Flow Control CB LLC (dba Trillium Flow Technologies)First lien senior secured delayed draw term loan6/2026— 6,380 — 
GS Acquisitionco, Inc. (dba insightsoftware)First lien senior secured delayed draw term loan5/2027— 888 (29)
Hercules Borrower, LLC (dba The Vincit Group)First lien senior secured delayed draw term loan9/2026— 6,587 — 
Horizon Avionics Buyer, LLC (dba Acron Aviation)First lien senior secured delayed draw term loan11/2027— 6,410 (16)
Indigo Buyer, Inc. (dba Inovar Packaging Group)First lien senior secured delayed draw term loan7/20265,790 946 — 
Indigo Buyer, Inc. (dba Inovar Packaging Group)First lien senior secured delayed draw term loan7/2026— 1,737 — 
Indigo Buyer, Inc. (dba Inovar Packaging Group)First lien senior secured loan3/2028— 2,179 — 
Integrity Marketing Acquisition, LLCFirst lien senior secured delayed draw term loan8/2026— 6,191 — 
Interoperability Bidco, Inc. (dba Lyniate)First lien senior secured delayed draw term loan6/2026— 4,762 (60)
Jawbreaker Parent, Inc.First lien senior secured delayed draw term loan1/2029— 8,017 (100)
Jawbreaker Parent, Inc.First lien senior secured delayed draw term loan4/2026— 19,883 (348)
Klick Inc.First lien senior secured delayed draw term loan11/2027— 7,216 (36)
KRIV Acquisition Inc. (dba Riveron)First lien senior secured delayed draw term loan9/2027— 556 — 
KRIV Acquisition Inc. (dba Riveron)First lien senior secured delayed draw term loan2/2028— 2,617 — 
Lakefield Acquisition Corp. (dba Lakefield Veterinary Group)First lien senior secured delayed draw term loan9/202682 317 — 
Lightbeam Bidco, Inc. (dba Lazer Spot)First lien senior secured delayed draw term loan12/2027604 249 — 
Litera Bidco LLCFirst lien senior secured delayed draw term loan11/202630,846 2,726 — 
Litera Bidco LLCFirst lien senior secured delayed draw term loan5/2027— 14,154 (248)
MAJCO LLC (dba Big Brand Tire & Service)First lien senior secured delayed draw term loan9/202713,662 23,128 — 
Maple Acquisition, LLC (dba Medicus)First lien senior secured delayed draw term loan5/2026— 15,576 — 
National Dentex Labs LLC (fka Barracuda Dental LLC)First lien senior secured delayed draw term loan5/20269,125 1,366 — 
NELIPAK EUROPEAN HOLDINGS COÖPERATIEF U.A.First lien senior secured EUR delayed draw term loan3/2027— 20,017 (200)
NELIPAK EUROPEAN HOLDINGS COÖPERATIEF U.A.First lien senior secured EUR revolving loan3/2031— 3,735 (65)
Nelipak Holding CompanyFirst lien senior secured delayed draw term loan3/20275,789 3,566 — 
Nova Women's Health, Inc.First lien senior secured delayed draw term loan7/2027— 19,318 (48)
NSCALE SERVICES UK LTDFirst lien senior secured delayed draw term loan8/20271,656 38,344 — 
Packaging Coordinators Midco, Inc.First lien senior secured delayed draw term loan10/20271,641 1,461 — 
Packaging Coordinators Midco, Inc.First lien senior secured delayed draw term loan4/2026— 21,550 (54)
Paris US Holdco, Inc. (dba Precinmac)First lien senior secured delayed draw term loan12/2026— 7,346 — 
Unfunded
CompanyCommitment TypeCommitment Expiration DateFunded CommitmentCommitment
Fair Value(23)
PerkinElmer U.S. LLCFirst lien senior secured delayed draw term loan10/2027— 4,907 — 
Plasma Buyer LLC (dba PathGroup)First lien senior secured delayed draw term loan3/202730 71 — 
Premise Health Holding Corp.First lien senior secured delayed draw term loan11/20273,986 2,664 — 
RL Datix Holdings (USA), Inc.First lien senior secured delayed draw term loan4/2027— 12,566 (94)
Salinger Bidco Inc. (dba Surgical Information Systems)First lien senior secured delayed draw term loan8/2026— 3,939 — 
Sentinel Buyer Corp. (dba SimpliSafe)First lien senior secured delayed draw term loan11/2027— 3,358 (34)
Severin Acquisition, LLC (dba PowerSchool)First lien senior secured delayed draw term loan10/202776 239 — 
SimonMed, Inc.First lien senior secured delayed draw term loan2/202768 22 — 
Simplicity Financial Marketing Group Holdings, Inc.First lien senior secured delayed draw term loan12/20269,168 1,716 — 
Smarsh Inc.First lien senior secured delayed draw term loan1/202742 331 (6)
Soleo Holdings, Inc.First lien senior secured delayed draw term loan2/2027— 8,595 — 
Sonny's Enterprises, LLCFirst lien senior secured delayed draw term loan6/202714,887 10,943 — 
Spaceship Purchaser, Inc. (dba Squarespace)First lien senior secured delayed draw term loan10/2027— 2,492 (50)
Spotless Brands, LLCFirst lien senior secured delayed draw term loan3/20275,562 23,928 — 
STS PARENT, LLC (dba STS Aviation Group)First lien senior secured delayed draw term loan10/2026— 31,189 (156)
Tamarack Intermediate, L.L.C. (dba Verisk 3E)First lien senior secured delayed draw term loan7/2027114 276 — 
TBRS, Inc. (dba TEAM Technologies)First lien senior secured delayed draw term loan11/2026— 4,838 — 
Themis Solutions Inc. (dba Clio)First lien senior secured delayed draw term loan10/2027— 3,750 (103)
THG Acquisition, LLC (dba Hilb)First lien senior secured delayed draw term loan10/20263,111 5,028 — 
Troon Golf, L.L.C.First lien senior secured delayed draw term loan9/20266,170 6,248 — 
Unified Women's Healthcare, LPFirst lien senior secured delayed draw term loan9/2027— 1,235 (2)
Vensure Employer Services, Inc.First lien senior secured delayed draw term loan3/2028— 265 (1)
Vessco Midco Holdings, LLCFirst lien senior secured delayed draw term loan7/202614,072 1,168 — 
Vessco Midco Holdings, LLCFirst lien senior secured delayed draw term loan5/2028— 14,139 — 
Wipfli Advisory LLCFirst lien senior secured delayed draw term loan4/2028— 9,303 (47)
Wrench Group LLCFirst lien senior secured delayed draw term loan9/2027— 12,814 (64)
WU Holdco, Inc. (dba PurposeBuilt Brands)First lien senior secured delayed draw term loan4/2027— 22,823 (57)
Aerosmith Bidco 1 Limited (dba Audiotonix)First lien senior secured revolving loan7/2030— 30,754 — 
AI Titan Parent, Inc. (dba Prometheus Group)First lien senior secured revolving loan8/2031— 943 (28)
Unfunded
CompanyCommitment TypeCommitment Expiration DateFunded CommitmentCommitment
Fair Value(23)
AmeriLife Holdings LLCFirst lien senior secured revolving loan8/2028167 833 — 
Anaplan, Inc.First lien senior secured revolving loan6/2028— 11,589 (261)
Applied Composites Holdings, LLC (fka AC&A Enterprises Holdings, LLC)*First lien senior secured revolving loan7/20273,595 — — 
Aptean Acquiror, Inc. (dba Aptean)First lien senior secured revolving loan1/2031350 1,180 — 
Arctic Holdco, LLC (dba Novvia Group)First lien senior secured revolving loan1/20312,342 4,756 — 
Arctic US Bidco, Inc. (dba ThermoSafe)First lien senior secured multi-currency revolving loan11/2032486 6,458 — 
Artifact Bidco, Inc. (dba Avetta)First lien senior secured revolving loan7/2030— 2,100 (21)
Ascend Buyer, LLC (dba PPC Flexible Packaging)First lien senior secured revolving loan9/20281,133 6,962 — 
Associations, Inc.First lien senior secured revolving loan7/2028— 26,031 — 
AWP Group Holdings, Inc.First lien senior secured revolving loan12/203082 44 — 
Azurite Intermediate Holdings, Inc. (dba Alteryx, Inc.)First lien senior secured revolving loan3/2031— 1,758 (44)
Baker Tilly Advisory Group, LPFirst lien senior secured revolving loan6/2030— 15,134 — 
Bamboo US BidCo LLCFirst lien senior secured revolving loan10/2029— 1,538 — 
Bayshore Intermediate #2, L.P. (dba Boomi)First lien senior secured revolving loan10/20271,832 5,555 — 
BCPE Osprey Buyer, Inc. (dba PartsSource)First lien senior secured revolving loan8/202814,454 4,770 — 
Belmont Buyer, Inc. (dba Valenz)First lien senior secured revolving loan6/202958 378 — 
Blast Bidco Inc. (dba Bazooka Candy Brands)First lien senior secured revolving loan10/2029— 4,440 — 
BP Veraison Buyer, LLC (dba Sun World)First lien senior secured revolving loan5/2029— 27,932 — 
Brightway Holdings, LLCFirst lien senior secured revolving loan12/2029— 5,263 (13)
Bristol Hospice L.L.C.First lien senior secured revolving loan8/2032— 4,007 — 
By Light Professional IT Services LLCFirst lien senior secured revolving loan7/2031— 3,178 (103)
Cambrex CorporationFirst lien senior secured revolving loan3/203223 79 — 
Catalis Intermediate, Inc. (fka GovBrands Intermediate, Inc.)First lien senior secured revolving loan8/2027205 1,469 — 
CCM Midco, LLC (f/k/a Cresset Capital Management, LLC)First lien senior secured revolving loan6/2029— 2,239 — 
CHA Vision Holdings, Inc. (fka FR Vision Holdings, Inc.)First lien senior secured revolving loan1/2030— 2,882 — 
CivicPlus, LLCFirst lien senior secured revolving loan8/2030— 4,795 (132)
CMG HoldCo, LLC (dba Crete United)First lien senior secured revolving loan11/203053 228 — 
Commander Buyer, Inc. (dba CenExel)First lien senior secured revolving loan6/2032— 10,226 (51)
Coupa Holdings, LLCFirst lien senior secured revolving loan2/2029— 107 (4)
Creek Parent, Inc. (dba Catalent)First lien senior secured revolving loan12/2031— 16,401 (123)
Crewline Buyer, Inc. (dba New Relic)First lien senior secured revolving loan11/2030— 14,729 (368)
CT Technologies Intermediate Holdings, Inc. (& Smart Holdings Corp.) (dba Datavant)First lien senior secured revolving loan8/2031— 7,573 (38)
DCG ACQUISITION CORP. (dba DuBois Chemical)First lien senior secured revolving loan6/2031— 11,816 (148)
Diamond Mezzanine 24 LLC (dba United Risk)*First lien senior secured revolving loan10/20301,161 — — 
Deerfield Dakota HoldingsFirst lien senior secured revolving loan9/20322,153 8,612 — 
Unfunded
CompanyCommitment TypeCommitment Expiration DateFunded CommitmentCommitment
Fair Value(23)
Denali Intermediate Holdings, Inc. (dba Dun & Bradstreet)First lien senior secured revolving loan8/2032— 7,736 (174)
dentalcorp Health Services Ltd. (fka Aryeh Bidco Investment Ltd.)First lien senior secured revolving loan1/2033— 10,629 (53)
Dresser Utility Solutions, LLCFirst lien senior secured revolving loan3/2029— 8,829 — 
DuraServ LLCFirst lien senior secured revolving loan6/20306,334 11,260 — 
Eagle Family Foods Group LLCFirst lien senior secured revolving loan8/2030— 216 (1)
EET Buyer, Inc. (dba e-Emphasys)First lien senior secured revolving loan11/2027— 2,409 (36)
Einstein Parent, Inc. (dba Smartsheet)First lien senior secured revolving loan1/2031— 4,488 (112)
Essential Services Holding Corporation (dba Turnpoint)First lien senior secured revolving loan6/20301,236 1,855 — 
Eternal Buyer, LLC (dba Wedgewood Weddings)First lien senior secured revolving loan6/2032— 7,000 (35)
Evolution BuyerCo, Inc. (dba SIAA)First lien senior secured revolving loan4/2030— 23 — 
Fiesta Purchaser, Inc. (dba Shearer's Foods)First lien senior secured revolving loan2/20291,967 6,230 — 
Flexera Software LLCFirst lien senior secured revolving loan8/2032— 1,348 (34)
Fortis Solutions Group, LLCFirst lien senior secured revolving loan10/20271,625 1,986 — 
Foundation Consumer Brands, LLCFirst lien senior secured revolving loan2/2029— 4,610 (12)
FR Flow Control CB LLC (dba Trillium Flow Technologies)First lien senior secured revolving loan12/2029— 5,220 — 
Gainsight, Inc.First lien senior secured revolving loan7/2027— 4,152 (73)
Galls, LLCFirst lien senior secured revolving loan3/20307,231 7,992 — 
Gaylord Chemical Company, L.L.C.First lien senior secured revolving loan12/20276,188 10,096 — 
Gerson Lehrman Group, Inc.First lien senior secured revolving loan12/2028— 7,595 (133)
GI Apple Midco LLC (dba Atlas Technical Consultants)First lien senior secured revolving loan4/202950 61 — 
GI Ranger Intermediate, LLC (dba Rectangle Health)First lien senior secured revolving loan10/2027817 1,225 — 
Granicus, Inc.First lien senior secured revolving loan1/2031— 2,467 (31)
GS Acquisitionco, Inc. (dba insightsoftware)First lien senior secured revolving loan5/2028130 118 — 
H&F Opportunities LUX III S.À R.L (dba Checkmarx)First lien senior secured revolving loan4/2028— 2,199 (27)
Hercules Borrower, LLC (dba The Vincit Group)First lien senior secured revolving loan12/2028— 10,202 — 
HGH Purchaser, Inc. (dba Horizon Services)First lien senior secured revolving loan11/202813,454 3,177 — 
Hissho Parent, LLCFirst lien senior secured revolving loan5/2029— 2,291 — 
Horizon Avionics Buyer, LLC (dba Acron Aviation)First lien senior secured revolving loan3/2032654 2,551 — 
Hyland Software, Inc.First lien senior secured revolving loan9/2029— 3,198 (96)
Icefall Parent, Inc. (dba EngageSmart)First lien senior secured revolving loan1/2030— 511 (6)
IG Investments Holdings, LLC (dba Insight Global)First lien senior secured revolving loan9/2028— 11,989 — 
Indigo Buyer, Inc. (dba Inovar Packaging Group)First lien senior secured revolving loan5/2028— 193 — 
Indikami Bidco, LLC (dba IntegriChain)First lien senior secured revolving loan6/20301,586 501 — 
Integrity Marketing Acquisition, LLCFirst lien senior secured revolving loan8/2028— 4,599 — 
Unfunded
CompanyCommitment TypeCommitment Expiration DateFunded CommitmentCommitment
Fair Value(23)
Interoperability Bidco, Inc. (dba Lyniate)First lien senior secured revolving loan3/2028564 5,078 — 
IRI Group Holdings, Inc. (f/k/a Circana Group, L.P. (f/k/a The NPD Group, L.P.))First lien senior secured revolving loan12/2028— 4,007 (30)
Jawbreaker Parent, Inc.First lien senior secured revolving loan1/2033— 8,017 (140)
JS Parent, Inc. (dba Jama Software)First lien senior secured revolving loan4/2031— 88 — 
Klick Inc.First lien senior secured revolving loan11/2031— 7,216 (54)
KRIV Acquisition Inc. (dba Riveron)First lien senior secured revolving loan7/2031612 833 — 
KWOL Acquisition, Inc. (dba Worldwide Clinical Trials)First lien senior secured revolving loan12/2029— 15,542 (117)
Lakefield Acquisition Corp. (dba Lakefield Veterinary Group)First lien senior secured revolving loan9/2029— 67 — 
Lightbeam Bidco, Inc. (dba Lazer Spot)First lien senior secured revolving loan5/2029— 476 (2)
Lignetics Investment Corp.First lien senior secured revolving loan10/2026— 11,744 — 
Litera Bidco LLCFirst lien senior secured revolving loan5/2028— 8,056 (141)
MAJCO LLC (dba Big Brand Tire & Service)First lien senior secured revolving loan9/2032— 10,511 (26)
Maple Acquisition, LLC (dba Medicus)First lien senior secured revolving loan5/2030— 11,682 — 
Mario Purchaser, LLC (dba Len the Plumber)First lien senior secured revolving loan4/20281,921 13 — 
Matterhorn Finco, Inc.First lien senior secured revolving loan3/2033— 5,302 (27)
MHE Intermediate Holdings, LLC (dba OnPoint Group)First lien senior secured revolving loan7/20277,643 11,464 — 
Milan Laser Holdings LLCFirst lien senior secured revolving loan4/2027— 8,112 (122)
Ministry Brands Holdings, LLCFirst lien senior secured revolving loan12/202790 987 — 
Minotaur Acquisition, Inc. (dba Inspira Financial)First lien senior secured revolving loan6/2030— 19,063 (48)
Modernizing Medicine, Inc. (dba ModMed)First lien senior secured revolving loan4/2032— 71 — 
Monotype Imaging Holdings Inc.First lien senior secured revolving loan2/2030— 17,932 (359)
National Dentex Labs LLC (fka Barracuda Dental LLC)First lien senior secured revolving loan5/202612,010 109 — 
Natural Partners, LLCFirst lien senior secured revolving loan11/2030— 469 — 
Nelipak Holding CompanyFirst lien senior secured revolving loan3/20311,888 5,105 — 
NMI Acquisitionco, Inc. (dba Network Merchants)First lien senior secured revolving loan9/2028— 2,090 (31)
Norvax, LLC (dba GoHealth)*First lien senior secured revolving loan8/20294,026 — — 
Nova Women's Health, Inc.First lien senior secured revolving loan1/2032— 1,545 (8)
OB Hospitalist Group, Inc.First lien senior secured revolving loan9/2027— 20,496 — 
Offen, Inc.First lien senior secured revolving loan7/2029803 1,174 — 
Ole Smoky Distillery, LLCFirst lien senior secured revolving loan3/2028— 116 (9)
Packaging Coordinators Midco, Inc.First lien senior secured revolving loan10/2032— 16,889 (169)
Paris US Holdco, Inc. (dba Precinmac)First lien senior secured revolving loan12/2031275 3,397 — 
Patriot Acquisition TopCo S.À R.L. (dba Corza Health, Inc.)First lien senior secured revolving loan1/2028— 14,863 — 
Plasma Buyer LLC (dba PathGroup)*First lien senior secured revolving loan5/2028163 — — 
PDI TA Holdings, Inc.First lien senior secured revolving loan2/20311,703 122 — 
PetVet Care Centers, LLCFirst lien senior secured revolving loan11/20293,660 14,639 — 
PPV Intermediate Holdings, LLCFirst lien senior secured revolving loan8/2029780 1,301 — 
Unfunded
CompanyCommitment TypeCommitment Expiration DateFunded CommitmentCommitment
Fair Value(23)
Premise Health Holding Corp.First lien senior secured revolving loan11/2031— 8,571 (129)
Puma Buyer, LLC (dba PANTHERx)First lien senior secured revolving loan3/2032— 208 — 
QAD, Inc.First lien senior secured revolving loan11/2027— 9,119 (137)
Quva Pharma, Inc.First lien senior secured revolving loan4/2028— 5,182 (155)
Rhea Parent, Inc.First lien senior secured revolving loan12/2030— 4,446 (44)
RL Datix Holdings (USA), Inc.First lien senior secured revolving loan10/2030— 11,003 (193)
Salinger Bidco Inc. (dba Surgical Information Systems)First lien senior secured revolving loan5/2031— 3,939 (10)
Sara Lee Frozen Bakery, LLC (fka KSLB Holdings, LLC)First lien senior secured revolving loan7/20276,934 2,066 — 
Securonix, Inc.First lien senior secured revolving loan4/2028— 305 (59)
Senderra RX Acquisition, LLCFirst lien senior secured revolving loan3/2033923 3,692 — 
Sensor Technology Topco, Inc. (dba Humanetics)First lien senior secured revolving loan5/2028485 6,785 — 
Severin Acquisition, LLC (dba PowerSchool)First lien senior secured revolving loan10/203150 139 — 
SimonMed, Inc.First lien senior secured revolving loan2/203133 27 — 
Simplicity Financial Marketing Group Holdings, Inc.First lien senior secured revolving loan12/2031— 5,464 (27)
Smarsh Inc.First lien senior secured revolving loan2/202942 156 — 
Soleo Holdings, Inc.First lien senior secured revolving loan2/2032— 8,595 — 
Soliant Lower Intermediate, LLC (dba Soliant)First lien senior secured revolving loan6/2031— 4,444 (1,156)
Sonny's Enterprises, LLCFirst lien senior secured revolving loan8/202717,776 4,408 — 
Spaceship Purchaser, Inc. (dba Squarespace)First lien senior secured revolving loan10/2031— 2,076 (52)
Spotless Brands, LLCFirst lien senior secured revolving loan7/2028— 2,610 — 
STS PARENT, LLC (dba STS Aviation Group)First lien senior secured revolving loan10/20309,824 2,651 — 
SWK BUYER, Inc. (dba Stonewall Kitchen)First lien senior secured revolving loan3/2029— 140 (5)
Tamarack Intermediate, L.L.C. (dba Verisk 3E)First lien senior secured revolving loan3/2029— 207 (5)
TBRS, Inc. (dba TEAM Technologies)First lien senior secured revolving loan11/2030— 5,529 (28)
Themis Solutions Inc. (dba Clio)First lien senior secured revolving loan10/2032— 3,125 (86)
THG Acquisition, LLC (dba Hilb)First lien senior secured revolving loan10/20311,002 3,076 — 
Thunder Purchaser, Inc. (dba Vector Solutions)First lien senior secured revolving loan6/2027— 7,903 (158)
Troon Golf, L.L.C.First lien senior secured revolving loan8/2028— 6,248 — 
Truist Insurance Holdings, LLCFirst lien senior secured revolving loan5/2029851 904 — 
Unified Women's Healthcare, LPFirst lien senior secured revolving loan6/2029— 159 (1)
USRP Holdings, Inc. (dba U.S. Retirement and Benefits Partners)First lien senior secured revolving loan12/2029— 5,266 — 
Valeris, Inc. (fka Phantom Purchaser, Inc.)First lien senior secured revolving loan9/2031— 5,443 (14)
Vessco Midco Holdings, LLCFirst lien senior secured revolving loan7/2031— 5,080 — 
Vital Bidco AB (dba Vitamin Well)First lien senior secured revolving loan10/2030— 14,522 — 
Wipfli Advisory LLCFirst lien senior secured revolving loan10/2032— 6,202 (47)
Wrench Group LLCFirst lien senior secured revolving loan9/20314,784 8,030 — 
WU Holdco, Inc. (dba PurposeBuilt Brands)First lien senior secured revolving loan4/20321,522 5,579 — 
Zendesk, Inc.First lien senior secured revolving loan11/2028— 9,557 (334)
Unfunded
CompanyCommitment TypeCommitment Expiration DateFunded CommitmentCommitment
Fair Value(23)
Total non-controlled/non-affiliated - debt commitments$325,747 $1,459,790 $(8,508)
Non-controlled/non-affiliated - equity commitments
Percheron Horsepower-A LP (dba Big Brand Tire & Service)Limited Partner InterestN/A$12,219 $1,994 $— 
Polar Investors LP (dba Dentalcorp)Common EquityN/A3,409 852 — 
Valor Cl Blocker Feeder LPLP InterestN/A2,714 1,809 — 
Total non-controlled/non-affiliated - equity commitments$18,342 $4,655 $— 
Non-controlled/affiliated - debt commitments
Pluralsight, LLCFirst lien senior secured delayed draw term loan8/2029$— $9,524 $(524)
Pluralsight, LLCFirst lien senior secured revolving loan8/2029— 3,810 (210)
Total non-controlled/affiliated - debt commitments$— $13,334 $(734)
Controlled/affiliated - debt commitments
Walker Edison Furniture Company LLCFirst lien senior secured delayed draw term loanN/A$3,161 $1,327 $— 
Walker Edison Furniture Company LLCFirst lien senior secured delayed draw term loanN/A1,531 1,228 — 
Notorious Topco, LLC (dba Beauty Industry Group)First lien senior secured revolving loan12/2030— 8,601 (129)
PS Operating Company LLC (fka QC Supply, LLC)First lien senior secured revolving loan12/20264,925 1,169 — 
Swipe Acquisition Corporation (dba PLI)First lien senior secured revolving loan11/202716,684 3,782 — 
Total controlled/affiliated - debt commitments$26,301 $16,107 $(129)
Controlled/affiliated - equity commitments
AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLCSpecialty finance equity investmentN/A$31,923 $42,550 $— 
LSI Financing LLCSpecialty finance equity investmentN/A257,663 96,975 — 
OWL-HP FINANCE LLCSpecialty finance equity investmentN/A17,277 67,223 — 
Wingspire Capital Holdings LLCSpecialty finance equity investmentN/A500,552 4,448 — 
Total controlled/affiliated - equity commitments$807,415 $211,196 $— 
Total Portfolio Company Commitments$1,177,805 $1,705,082 $(9,371)
*Fully funded
[23] Securities acquired in transactions exempt from registration under the Securities Act of 1933, as amended (the “Securities Act”) and may be deemed to be “restricted securities” under the Securities Act. As of March 31, 2026, the aggregate fair value of these securities is $3.01 billion or 42.0% of the Company’s net assets. The acquisition dates of the restricted securities are as follows:
Portfolio CompanyInvestmentAcquisition Date
AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC*Specialty finance equity investment7/1/2022
AAM Series 2.1 Aviation Feeder, LLC*Specialty finance equity investment7/1/2022
Accelerate Topco Holdings, LLCCommon Units9/1/2022
Alphasense, LLCSeries E Preferred Shares6/27/2024
Amergin Asset Management, LLCSpecialty finance equity investment7/1/2022
ASP Conair Holdings LPClass A Units5/17/2021
Baypine Commander Co-Invest, LPLP Interest6/24/2025
BEHP Co-Investor II, L.P.LP Interest5/11/2022
Bird Holding B.V. (fka MessageBird Holding B.V.)Extended Series C Warrants5/5/2021
Blend Labs, Inc.Warrants7/2/2021
Blue Owl Credit SLF LLC**LLC Interest8/1/2024
Blue Owl Leasing LLC**
LLC Interest6/30/2025
Blue Owl Cross-Strategy Opportunities 2025-1 LLC (fka Blue Owl Cross-Strategy Opportunities LLC)*
Specialty finance equity investment
 
8/20/2025
Brooklyn Lender Co-Invest 2, L.P. (dba Boomi)Common Units10/1/2021
Capital Integration Systems LLC (dba CAIS)
Class D Common Units2/27/2026
CD&R Value Building Partners I, L.P. (dba Belron)LP Interest12/2/2021
Dodge Construction Network Holdings, L.P.Class A-2 Common Units2/23/2022
Dodge Construction Network Holdings, L.P.Series A Preferred Units2/23/2022
Eagle Infrastructure Services, LLCCommon Units3/31/2023
Elliott Alto Co-Investor Aggregator L.P.LP Interest9/27/2022
Evolution Parent, LP (dba SIAA)LP Interest4/30/2021
Equity NewCo S.A. (dba Netceed)Common Equity1/29/2026
Fifth Season Investments LLC*Specialty finance equity investment7/18/2022
Gloves Holdings, LP (dba Protective Industrial Products)LP Interest12/29/2020
GoHealth, Inc.Common stock8/6/2025
GrowthCurve Capital Sunrise Co-Invest LP (dba Brightway)
LP Interest12/16/2021
Hercules Buyer, LLC (dba The Vincit Group)Common Units12/15/2020
Hissho Sushi Holdings, LLCClass A units5/17/2022
Hockey Parent Holdings, L.P.Class A Common Units9/14/2023
Insight CP (Blocker) Holdings, L.P. (dba CivicPlus, LLC)LP Interest6/8/2022
Knockout Intermediate Holdings I Inc. (dba Kaseya Inc.)Perpetual Preferred Stock6/23/2022
KOBHG Holdings, L.P. (dba OB Hospitalist)Class A Interests9/27/2021
KPCI Co-Invest 2, L.P.Class A Units10/15/2025
KWOL Acquisition, Inc. (dba Worldwide Clinical Trials)Class A Interest11/30/2023
LSI Financing 1 DAC*Specialty finance equity investment12/14/2022
LSI Financing LLC*Specialty finance equity investment11/25/2024
Portfolio CompanyInvestmentAcquisition Date
Maia Aggregator, LPClass A-2 Units2/1/2022
Metis HoldCo, Inc. (dba Mavis Tire Express Services)Series A Convertible Preferred Stock5/4/2021
Minerva Holdco, Inc.Senior A Preferred Stock2/15/2022
ModMed Software Midco Holdings, Inc. (dba ModMed)Series A Preferred Units4/30/2025
New PLI Holdings, LLC (dba PLI)Class A Common Units12/23/2020
Nova Women’s Health Partners Holdings, LP
Class A Units1/28/2026
Notorious Purchaser II, Inc. (dba Beauty Industry Group)Class B Common Stock12/19/2025
Nscale Global Holdings LimitedPreferred equity9/29/2025
Nscale Global Holdings LimitedSeries B Preferred Shares9/29/2025
OWL-HP FINANCE LLC*
Specialty finance equity investment2/9/2026
Paradigmatic Holdco LLC (dba Pluralsight)Common stock8/22/2024
Patriot Holdings SCSp (dba Corza Health, Inc.)Class B Units1/29/2021
Patriot Holdings SCSp (dba Corza Health, Inc.)Class A Units1/29/2021
PCF Holdco, LLC (dba Trucordia)Preferred equity2/16/2023
PCF Holdco, LLC (dba Trucordia)Warrants2/16/2023
Percheron Horsepower-A LP (dba Big Brand Tire & Service)Limited Partner Interest9/23/2025
Polar Investors LP (dba Dentalcorp)
Common Equity
1/13/2026
Project Alpine Co-Invest Fund, LPLP Interest6/10/2022
PS Op Holdings LLC (fka QC Supply, LLC)Class A Common Units12/21/2021
Project Hotel California Co-Invest Fund, L.P.LP Interest8/9/2022
Rhea Acquisition Holdings, LPSeries A-2 Units2/18/2022
Rome Topco Holdings, LLC (dba SimpliSafe)Class A Units11/6/2025
Rome Topco Holdings, LLC (dba SimpliSafe)Class B Units11/6/2025
Romulus Intermediate Holdings 1 Inc. (dba PetVet Care Centers)Series A Preferred Stock11/15/2023
Snowbird Manager LPLimited Partner Interest12/18/2025
Space Exploration Technologies Corp.Class A Common Stock3/25/2021
Space Exploration Technologies Corp.Class C Common Stock3/25/2021
Sunshine Software Holdings, Inc. (dba Cornerstone OnDemand, Inc.)Series A Preferred Stock10/14/2021
TCB Holdings I LLC (dba TricorBraun)Class A Preferred Units1/31/2025
Thunder Topco L.P. (dba Vector Solutions)Common Units6/30/2021
Valor Cl Blocker Feeder LP
LP Interest10/3/2025
VCI Intermediate TopCo 1 LLCClass B Units11/17/2025
VEPF VIII Co-Invest 8-A, L.P.
Limited Partner Interest3/5/2026
Walker Edison Holdco LLCCommon Units3/1/2023
Windows EntitiesLLC Units1/16/2020
Wingspire Capital Holdings LLC*Specialty finance equity investment9/24/2019
WMC Bidco, Inc. (dba West Monroe)Senior Preferred Stock11/9/2021
WP Irving Co-Invest, L.P.Partnership Units5/18/2022
XOMA CorporationWarrants12/15/2023
Zoro TopCo, Inc.Series A Preferred Equity11/22/2022
Zoro TopCo, L.P.Class A Common Units11/22/2022
*Refer to “Note 3 — Agreements and Related Party Transactions – Controlled/Affiliated Portfolio Companies.”
** Refer to “Note 4 — Investments – Credit SLF LLC and Blue Owl Leasing” for further information.
[24] In connection with its investment in AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC and AAM Series 2.1 Aviation Feeder, LLC (collectively, “Amergin Assetco”) the Company made a minority investment in Amergin Asset Management, LLC, which has entered into a Servicing Agreement with Amergin Assetco.
[25] Non-income producing.
[26] The interest rate on these loans is subject to 3 month SOFR, which as of December 31, 2025 was 3.65%
[27] The interest rate on these loans is subject to 3 month SOFR, which as of March 31, 2026 was 3.68%
[28] The interest rate on these loans is subject to 1 month SOFR, which as of December 31, 2025 was 3.69%
[29] The interest rate on these loans is subject to 1 month SOFR, which as of March 31, 2026 was 3.66%.
[30] The interest rate on this loan is subject to SONIA, which as of December 31, 2025 was 3.73%
[31] The interest rate on this loan is subject to SONIA, which as of March 31, 2026 was 3.73%.
[32] The interest rate on this loan is subject to 3 month EURIBOR, which as of December 31, 2025 was 2.03%.
[33] The interest rate on this loan is subject to 3 month EURIBOR, which as of March 31, 2026 was 2.08%
[34] Investment measured at NAV.
[35] Investment is not pledged as collateral for the credit facilities.
[36] Investment measured at net asset value (“NAV”).
[37] Investment is not pledged as collateral for the credit facilities
[38] For further description of the Company's investment in Blue Owl Credit SLF LLC (“Credit SLF”), Blue Owl Leasing LLC (“Blue Owl Leasing”) and Owl-HP Finance see “Note 4 — Investments.”
[39] BOCSO was formed to hold alternative credit assets, including ABF. ABF is a subsector of private credit focused on generating income from pools of financial, physical or other assets. As of December 31, 2025, the portfolio consists of three investments totaling $0.50 billion at cost and fair value, respectively, ranging in cost from $24.8 million to $304.4 million and with a fair value ranging from $24.8 million to $303.9 million. The largest investment is 62.0% of the total cost of BOCSO's portfolio. As of December 31, 2025 the portfolio asset class composition was 62.0% ABF - Specialty finance, 33.0% ABF - Leasing, and 5.0% ABF - Commercial Real Estate.
[40] Blue Owl Cross-Strategy Opportunities 2025-1 LLC (fka Blue Owl Cross-Strategy Opportunities LLC) (“BOCSO”) was formed to hold alternative credit assets, including asset-based finance (“ABF”). ABF is a subsector of private credit focused on generating income from pools of financial, physical or other assets. As of March 31, 2026, the portfolio consists of five investments totaling $1.03 billion at cost and fair value, respectively, ranging in cost from $24.9 million to $379.6 million and with a fair value ranging from $24.7 million to $378.0 million. The largest investment is 36.9% of the total cost of BOCSO's portfolio. As of March 31, 2026 the portfolio asset class composition was 66% ABF - Specialty finance, 32.0% ABF - Leasing, and 2.4% ABF - Commercial Real Estate.
[41] The interest rate on these loans is subject to 6 month SOFR, which as of December 31, 2025 was 3.57%.
[42] The interest rate on these loans is subject to 6 month SOFR, which as of March 31, 2026 was 3.70%.
[43] The interest rate on this loan is subject to 6 month EURIBOR, which as of March 31, 2026 was 2.48%.
[44] Loan was on non-accrual status as of December 31, 2025
[45] Loan was on non-accrual status as of March 31, 2026.
[46] The interest rate on this loan is subject to 1 month EURIBOR, which as of March 31, 2026 was 1.89%
[47] The interest rate on this loan is subject to 1 month EURIBOR, which as of December 31, 2025 was 1.94%.
[48] The Company invests in this portfolio company through underlying blocker entities Hercules Blocker 1 LLC, Hercules Blocker 2 LLC, Hercules Blocker 3 LLC, Hercules Blocker 4 LLC, and Hercules Blocker 5 LLC.
[49] The Company invests in this portfolio company through underlying blocker entities Hercules Blocker 1 LLC, Hercules Blocker 2 LLC, Hercules Blocker 3 LLC, Hercules Blocker 4 LLC, and Hercules Blocker 5 LLC.
[50] The interest rate on these loans is subject to Prime, which as of December 31, 2025 was 6.75%.
[51] The interest rate on these loans is subject to Prime, which as of March 31, 2026 was 6.75%.
[52] The interest rate on this loan is subject to 3 month BBSY, which as of December 31, 2025 was 3.74%
[53] The interest rate on this loan is subject to 3 month BBSY, which as of March 31, 2026 was 4.31%.
[54] Investment represents multiple underlying investments in related entities under common management. These underlying investments are on identical terms and include Midwest Custom Windows, LLC with a fair value of $24.1 million, Greater Toronto Custom Windows, Corp. with a fair value of $10.0 million, Garden State Custom Windows, LLC with a fair value of $33.4 million, Long Island Custom Windows, LLC with a fair value of $28.9 million, Jemico, LLC with a fair value of $23.2 million, Atlanta Custom Windows, LLC with a fair value of $11.5 million and Fairchester Custom Windows with a fair value of $7.6 million as of December 31, 2025. Greater Toronto Custom Windows, Corp. is considered a non-qualifying asset.
[55] Investment represents multiple underlying investments in related entities under common management. These underlying investments are on identical terms and include Midwest Custom Windows, LLC with a fair value of $24.1 million, Greater Toronto Custom Windows, Corp. with a fair value of $10.0 million, Garden State Custom Windows, LLC with a fair value of $33.4 million, Long Island Custom Windows, LLC with a fair value of $28.9 million, Jemico, LLC with a fair value of $23.2 million, Atlanta Custom Windows, LLC with a fair value of $11.5 million
and Fairchester Custom Windows with a fair value of $7.6 million as of March 31, 2026. Greater Toronto Custom Windows, Corp. is considered a non-qualifying asset.