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Consolidated Schedule of Investments - USD ($)
Sep. 30, 2022
Dec. 31, 2021
Dec. 31, 2020
Schedule of Investments [Line Items]      
Amortized Cost $ 12,931,859,000 [1],[2],[3],[4],[5] $ 12,648,553,000 [6],[7],[8],[9],[10]  
Fair Value $ 12,835,918,000 [2],[4],[5] $ 12,741,640,000 [7],[9],[10]  
Percentage of Net Assets 219.00% [2],[4],[5] 215.20% [7],[9],[10]  
Notional Amount $ 900,000,000 $ 900,000  
Interest Rate Swap | Designated as Hedging Instrument | Unsecured debt investments | 2024 Notes      
Schedule of Investments [Line Items]      
Fixed interest rate 5.25% 5.25%  
Notional Amount $ 400,000,000 $ 400,000  
Interest Rate Swap | Designated as Hedging Instrument | Unsecured debt investments | 2024 Notes | LIBOR      
Schedule of Investments [Line Items]      
Basis spread on variable rate   2.937%  
Interest Rate Swap | Designated as Hedging Instrument | Unsecured debt investments | 2027 Notes      
Schedule of Investments [Line Items]      
Fixed interest rate 2.63% 2.63%  
Notional Amount $ 500,000,000 $ 500,000  
Interest Rate Swap | Designated as Hedging Instrument | Unsecured debt investments | 2027 Notes | LIBOR      
Schedule of Investments [Line Items]      
Basis spread on variable rate   1.655%  
Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Amortized Cost 12,091,418,000 $ 12,073,126,000 [6],[8]  
Fair Value $ 11,922,492,000 $ 12,124,860,000  
Percentage of Net Assets 203.40% 204.80%  
Investment income from controlled, affiliated investments:      
Schedule of Investments [Line Items]      
Amortized Cost $ 833,409,000 $ 575,427,000 [6],[8]  
Fair Value $ 906,394,000 $ 616,780,000 $ 272,381,000
Percentage of Net Assets 15.50% 10.40%  
Non-controlled, affiliated investments      
Schedule of Investments [Line Items]      
Units (in shares) 7,350    
Amortized Cost $ 7,032,000 $ 0  
Fair Value $ 7,032,000 0  
Percentage of Net Assets 0.10%    
Debt Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Par / Units $ 11,615,947,000 11,793,168,000  
Amortized Cost 11,494,991,000 [1],[3] 11,589,379,000 [6],[8]  
Fair Value $ 11,267,660,000 $ 11,582,457,000  
Percentage of Net Assets 192.40% 195.70%  
Debt Securities | Investment income from controlled, affiliated investments:      
Schedule of Investments [Line Items]      
Par / Units $ 81,384,000 $ 76,503,000  
Amortized Cost 80,489,000 75,368,000 [6],[8]  
Fair Value $ 80,395,000 $ 75,249,000  
Percentage of Net Assets 1.40% 1.20%  
Equity Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Amortized Cost $ 596,427,000 $ 483,747,000 [6],[8]  
Fair Value $ 654,832,000 $ 542,403,000  
Percentage of Net Assets 11.00% 9.10%  
Equity Securities | Investment income from controlled, affiliated investments:      
Schedule of Investments [Line Items]      
Amortized Cost $ 752,920,000 $ 500,059,000 [6],[8]  
Fair Value $ 825,999,000 $ 541,531,000  
Percentage of Net Assets 14.10% 9.20%  
Equity Securities | Non-controlled, affiliated investments      
Schedule of Investments [Line Items]      
Units (in shares) 7,350    
Amortized Cost $ 7,032,000    
Fair Value $ 7,032,000    
Percentage of Net Assets 0.10%    
Advertising and media | Debt Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Par / Units $ 30,990,000 $ 7,500,000  
Amortized Cost 30,343,000 7,343,000  
Fair Value $ 30,429,000 $ 7,337,000  
Percentage of Net Assets 0.50% 0.10%  
Advertising and media | Debt Securities | Investment income from controlled, affiliated investments:      
Schedule of Investments [Line Items]      
Par / Units $ 64,502,000 $ 60,943,000  
Amortized Cost 63,982,000 60,218,000  
Fair Value $ 64,149,000 $ 60,054,000  
Percentage of Net Assets 1.10% 1.00%  
Advertising and media | Equity Securities | Investment income from controlled, affiliated investments:      
Schedule of Investments [Line Items]      
Amortized Cost $ 48,008,000 $ 48,007,000  
Fair Value $ 94,713,000 $ 48,007,000  
Percentage of Net Assets 1.60% 0.80%  
Aerospace and defense | Debt Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Par / Units $ 395,815,000 $ 393,950,000  
Amortized Cost 392,418,000 389,725,000  
Fair Value $ 358,415,000 $ 369,381,000  
Percentage of Net Assets 6.00% 6.30%  
Aerospace and defense | Equity Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Amortized Cost $ 3,003,000 $ 2,003,000  
Fair Value $ 3,917,000 $ 2,334,000  
Percentage of Net Assets 0.10% 0.00%  
Automotive | Equity Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Amortized Cost $ 193,778,000 $ 184,959,000  
Fair Value $ 188,166,000 $ 188,888,000  
Percentage of Net Assets 3.30% 3.20%  
Buildings and real estate | Debt Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Par / Units $ 421,351,000 $ 693,229,000  
Amortized Cost 417,167,000 685,739,000  
Fair Value $ 418,773,000 $ 681,694,000  
Percentage of Net Assets 7.10% 11.50%  
Buildings and real estate | Equity Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Amortized Cost $ 55,562,000 $ 3,272,000  
Fair Value $ 55,920,000 $ 3,612,000  
Percentage of Net Assets 0.90% 0.10%  
Business services | Debt Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Par / Units $ 409,979,000 $ 473,804,000  
Amortized Cost 368,464,000 431,357,000  
Fair Value $ 353,537,000 $ 420,029,000  
Percentage of Net Assets 6.00% 7.10%  
Business services | Equity Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Amortized Cost $ 19,282,000 $ 5,328,000  
Fair Value $ 20,150,000 $ 5,328,000  
Percentage of Net Assets 0.30% 0.10%  
Chemicals | Debt Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Par / Units $ 295,165,000 $ 296,186,000  
Amortized Cost 293,314,000 293,856,000  
Fair Value $ 293,578,000 $ 293,733,000  
Percentage of Net Assets 5.10% 5.10%  
Consumer products | Debt Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Par / Units $ 526,610,000 $ 502,453,000  
Amortized Cost 522,070,000 497,217,000  
Fair Value $ 504,157,000 $ 501,952,000  
Percentage of Net Assets 8.70% 8.50%  
Consumer products | Equity Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Amortized Cost $ 6,071,000 $ 6,071,000  
Fair Value $ 5,480,000 $ 6,071,000  
Percentage of Net Assets 0.10% 0.10%  
Containers and packaging | Debt Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Par / Units $ 170,769,000 $ 168,972,000  
Amortized Cost 168,274,000 166,293,000  
Fair Value $ 168,407,000 $ 168,821,000  
Percentage of Net Assets 2.90% 2.90%  
Distribution | Debt Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Par / Units $ 520,618,000 $ 545,379,000  
Amortized Cost 515,017,000 538,861,000  
Fair Value $ 519,493,000 $ 543,891,000  
Percentage of Net Assets 8.90% 9.20%  
Distribution | Debt Securities | Investment income from controlled, affiliated investments:      
Schedule of Investments [Line Items]      
Par / Units $ 16,882,000 $ 15,560,000  
Amortized Cost 16,507,000 15,150,000  
Fair Value $ 16,246,000 $ 15,195,000  
Percentage of Net Assets 0.30% 0.20%  
Distribution | Equity Securities | Investment income from controlled, affiliated investments:      
Schedule of Investments [Line Items]      
Amortized Cost $ 4,300,000 $ 4,300,000  
Fair Value $ 3,950,000 $ 4,300,000  
Percentage of Net Assets 0.10% 0.10%  
Education | Debt Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Par / Units $ 126,417,000 $ 126,417,000  
Amortized Cost 125,103,000 125,134,000  
Fair Value $ 125,281,000 $ 124,686,000  
Percentage of Net Assets 2.20% 2.10%  
Financial services | Debt Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Par / Units $ 857,397,000 $ 827,931,000  
Amortized Cost 892,971,000 823,927,000  
Fair Value $ 845,896,000 $ 823,225,000  
Percentage of Net Assets 14.40% 13.80%  
Financial services | Equity Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Amortized Cost $ 1,975,000 $ 1,975,000  
Fair Value $ 182,000 $ 895,000  
Percentage of Net Assets 0.00% 0.00%  
Financial services | Equity Securities | Investment income from controlled, affiliated investments:      
Schedule of Investments [Line Items]      
Amortized Cost $ 355,523,000 $ 198,038,000  
Fair Value $ 413,426,000 $ 242,163,000  
Percentage of Net Assets 7.00% 4.10%  
Food and beverage | Debt Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Par / Units $ 913,878,000 $ 804,929,000  
Amortized Cost 903,181,000 794,400,000  
Fair Value $ 857,721,000 $ 792,640,000  
Percentage of Net Assets 14.40% 13.50%  
Food and beverage | Equity Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Amortized Cost $ 10,950,000 $ 10,875,000  
Fair Value $ 11,393,000 $ 13,633,000  
Percentage of Net Assets 0.20% 0.20%  
Healthcare equipment and services | Debt Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Par / Units $ 464,321,000 $ 495,974,000  
Amortized Cost 465,521,000 486,636,000  
Fair Value $ 450,134,000 $ 487,822,000  
Percentage of Net Assets 7.60% 8.20%  
Healthcare equipment and services | Equity Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Amortized Cost $ 40,692,000 $ 39,936,000  
Fair Value $ 41,450,000 $ 46,073,000  
Percentage of Net Assets 0.60% 0.70%  
Healthcare providers and services | Debt Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Par / Units $ 582,229,000 $ 875,424,000  
Amortized Cost 573,925,000 863,332,000  
Fair Value $ 569,843,000 $ 866,363,000  
Percentage of Net Assets 9.70% 14.80%  
Healthcare providers and services | Equity Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Amortized Cost $ 6,670,000 $ 32,236,000  
Fair Value $ 6,445,000 $ 32,176,000  
Percentage of Net Assets 0.10% 0.50%  
Healthcare technology | Debt Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Par / Units $ 607,980,000 $ 601,160,000  
Amortized Cost 598,226,000 590,285,000  
Fair Value $ 594,610,000 $ 592,111,000  
Percentage of Net Assets 10.10% 10.00%  
Healthcare technology | Equity Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Amortized Cost $ 9,864,000    
Fair Value $ 9,196,000    
Percentage of Net Assets 0.10%    
Household products | Debt Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Par / Units $ 310,120,000 $ 228,876,000  
Amortized Cost 303,355,000 227,146,000  
Fair Value $ 278,451,000 $ 223,510,000  
Percentage of Net Assets 4.80% 3.70%  
Household products | Equity Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Amortized Cost $ 2,160,000    
Fair Value $ 2,160,000    
Percentage of Net Assets 0.00%    
Human resource support services | Debt Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Par / Units $ 166,349,000 $ 168,718,000  
Amortized Cost 163,808,000 165,954,000  
Fair Value $ 160,472,000 $ 166,021,000  
Percentage of Net Assets 2.70% 2.70%  
Human resource support services | Equity Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Amortized Cost $ 40,528,000 $ 38,401,000  
Fair Value $ 37,376,000 $ 38,380,000  
Percentage of Net Assets 0.60% 0.60%  
Infrastructure and environmental services | Debt Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Par / Units $ 195,681,000 $ 200,967,000  
Amortized Cost 195,867,000 200,958,000  
Fair Value $ 178,161,000 $ 185,720,000  
Percentage of Net Assets 3.10% 3.10%  
Insurance | Debt Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Par / Units $ 1,064,333,000 $ 1,088,952,000  
Amortized Cost 1,053,938,000 1,053,334,000  
Fair Value $ 1,041,401,000 $ 1,071,714,000  
Percentage of Net Assets 18.00% 18.10%  
Insurance | Equity Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Amortized Cost $ 47,632,000 $ 47,613,000  
Fair Value $ 71,191,000 $ 46,253,000  
Percentage of Net Assets 1.20% 0.90%  
Insurance | Equity Securities | Non-controlled, affiliated investments      
Schedule of Investments [Line Items]      
Units (in shares) 7,350    
Amortized Cost $ 7,032,000    
Fair Value $ 7,032,000    
Percentage of Net Assets 0.10%    
Internet software and services | Debt Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Par / Units $ 1,552,888,000 $ 1,419,759,000  
Amortized Cost 1,533,678,000 1,400,666,000  
Fair Value $ 1,534,405,000 $ 1,408,337,000  
Percentage of Net Assets 26.10% 23.70%  
Internet software and services | Equity Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Amortized Cost $ 94,691,000 $ 34,637,000  
Fair Value $ 91,389,000 $ 35,326,000  
Percentage of Net Assets 1.60% 0.60%  
Investment funds and vehicles | Equity Securities | Investment income from controlled, affiliated investments:      
Schedule of Investments [Line Items]      
Amortized Cost $ 345,089,000 $ 249,714,000  
Fair Value $ 313,910,000 $ 247,061,000  
Percentage of Net Assets 5.40% 4.20%  
Leisure and entertainment | Debt Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Par / Units $ 280,946,000 $ 283,073,000  
Amortized Cost 279,685,000 281,637,000  
Fair Value $ 280,946,000 $ 281,551,000  
Percentage of Net Assets 4.80% 4.70%  
Manufacturing | Debt Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Par / Units $ 636,276,000 $ 619,534,000  
Amortized Cost 624,701,000 606,505,000  
Fair Value $ 630,007,000 $ 614,897,000  
Percentage of Net Assets 10.80% 10.30%  
Manufacturing | Equity Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Amortized Cost $ 63,569,000 $ 60,194,000  
Fair Value $ 110,417,000 $ 107,201,000  
Percentage of Net Assets 1.90% 1.80%  
Oil and gas | Debt Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Par / Units $ 109,222,000 $ 114,375,000  
Amortized Cost 108,273,000 113,178,000  
Fair Value $ 109,222,000 $ 114,375,000  
Percentage of Net Assets 1.90% 2.00%  
Professional services | Debt Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Par / Units $ 456,681,000 $ 366,868,000  
Amortized Cost 451,577,000 363,522,000  
Fair Value $ 451,357,000 $ 364,946,000  
Percentage of Net Assets 7.70% 6.20%  
Professional services | Equity Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Amortized Cost   $ 16,247,000  
Fair Value   $ 16,233,000  
Percentage of Net Assets   0.30%  
Specialty retail | Debt Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Par / Units $ 294,971,000 $ 262,131,000  
Amortized Cost 291,682,000 258,823,000  
Fair Value $ 289,315,000 $ 251,740,000  
Percentage of Net Assets 5.10% 4.30%  
Transportation | Debt Securities | Non-controlled, non-affiliated      
Schedule of Investments [Line Items]      
Par / Units $ 224,961,000 $ 226,607,000  
Amortized Cost 222,433,000 223,551,000  
Fair Value $ 223,649,000 $ 225,961,000  
Percentage of Net Assets 3.80% 3.80%  
Investment, Identifier [Axis]: 3ES Innovation Inc. (dba Aucerna), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.75% [11],[12],[13],[14] 6.75% [15],[16],[17],[18]  
Par / Units $ 60,791,000 [11],[12],[13],[14] $ 61,259,000 [15],[16],[17],[18]  
Amortized Cost 60,361,000 [11],[12],[13],[14] 60,718,000 [15],[16],[17],[18]  
Fair Value $ 60,183,000 [11],[12],[13],[14] $ 60,340,000 [15],[16],[17],[18]  
Percentage of Net Assets 1.00% [11],[12],[13],[14] 1.00% [15],[16],[17],[18]  
Investment, Identifier [Axis]: 3ES Innovation Inc. (dba Aucerna), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 6.75% [11],[12],[13],[14],[19] 6.75% [15],[16],[18],[20],[21]  
Par / Units $ 1,700,000 [11],[12],[13],[14],[19] $ 0 [15],[16],[18],[20],[21]  
Amortized Cost 1,679,000 [11],[12],[13],[14],[19] (27,000) [15],[16],[18],[20],[21]  
Fair Value $ 1,661,000 [11],[12],[13],[14],[19] $ (58,000) [15],[16],[18],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[13],[14],[19] 0.00% [15],[16],[18],[20],[21]  
Investment, Identifier [Axis]: AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC | Investment income from controlled, affiliated investments:      
Schedule of Investments [Line Items]      
Fair Value $ 0 $ 0  
Investment, Identifier [Axis]: AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC, LLC Interest      
Schedule of Investments [Line Items]      
Units (in shares) [12],[14],[19],[22],[23],[24] 5    
Amortized Cost [12],[14],[19],[22],[23],[24] $ 5,000    
Fair Value [12],[14],[19],[22],[23],[24] $ 0    
Percentage of Net Assets [12],[14],[19],[22],[23],[24] 0.00%    
Investment, Identifier [Axis]: AAM Series 2.1 Aviation Feeder, LLC | Investment income from controlled, affiliated investments:      
Schedule of Investments [Line Items]      
Fair Value $ 1,368,000 $ 0  
Investment, Identifier [Axis]: AAM Series 2.1 Aviation Feeder, LLC, LLC Interest      
Schedule of Investments [Line Items]      
Units (in shares) [12],[14],[19],[22],[23],[24] 1,368    
Amortized Cost [12],[14],[19],[22],[23],[24] $ 1,373,000    
Fair Value [12],[14],[19],[22],[23],[24] $ 1,368,000    
Percentage of Net Assets [12],[14],[19],[22],[23],[24] 0.00%    
Investment, Identifier [Axis]: ABB/Con-cise Optical Group LLC, Second lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [15],[25]   9.00%  
Par / Units [15],[25]   $ 25,000,000  
Amortized Cost [15],[25]   24,705,000  
Fair Value [15],[25]   $ 24,875,000  
Percentage of Net Assets [15],[25]   0.40%  
Investment, Identifier [Axis]: ABB/Con-cise Optical Group LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 7.50% [11],[12],[13] 5.00% [15],[25]  
Par / Units $ 67,585,000 [11],[12],[13] $ 74,831,000 [15],[25]  
Amortized Cost 66,652,000 [11],[12],[13] 74,484,000 [15],[25]  
Fair Value $ 67,416,000 [11],[12],[13] $ 74,456,000 [15],[25]  
Percentage of Net Assets 1.20% [11],[12],[13] 1.30% [15],[25]  
Investment, Identifier [Axis]: ABB/Con-cise Optical Group LLC, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[13],[19] 7.50%    
Par / Units [11],[12],[13],[19] $ 6,580,000    
Amortized Cost [11],[12],[13],[19] 6,485,000    
Fair Value [11],[12],[13],[19] $ 6,562,000    
Percentage of Net Assets [11],[12],[13],[19] 0.10%    
Investment, Identifier [Axis]: ASP Conair Holdings LP, Class A Units      
Schedule of Investments [Line Items]      
Units (in shares) 60,714 [12],[23],[24] 60,714 [16],[26],[27]  
Amortized Cost $ 6,071,000 [12],[23],[24] $ 6,071,000 [16],[26],[27]  
Fair Value $ 5,480,000 [12],[23],[24] $ 6,071,000 [16],[26],[27]  
Percentage of Net Assets 0.10% [12],[23],[24] 0.10% [16],[26],[27]  
Investment, Identifier [Axis]: Accela, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 7.50% [11],[28] 7.50% [15],[25]  
Interest, PIK 4.25% [11],[28] 4.25% [15],[25]  
Par / Units $ 24,599,000 [11],[28] $ 23,990,000 [15],[25]  
Amortized Cost 24,480,000 [11],[28] 23,818,000 [15],[25]  
Fair Value $ 24,291,000 [11],[28] $ 23,990,000 [15],[25]  
Percentage of Net Assets 0.40% [11],[28] 0.40% [15],[25]  
Investment, Identifier [Axis]: Accela, Inc., First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 7.00% [11],[19],[28] 7.00% [15],[20]  
Par / Units $ 1,500,000 [11],[19],[28] $ 0 [15],[20]  
Amortized Cost 1,500,000 [11],[19],[28] 0 [15],[20]  
Fair Value $ 1,463,000 [11],[19],[28] $ 0 [15],[20]  
Percentage of Net Assets 0.00% [11],[19],[28] 0.00% [15],[20]  
Investment, Identifier [Axis]: Accelerate topco Holdings, LLC, Common Units      
Schedule of Investments [Line Items]      
Units (in shares) [12],[23],[24] 493    
Amortized Cost [12],[23],[24] $ 14,000    
Fair Value [12],[23],[24] $ 14,000    
Percentage of Net Assets [12],[23],[24] 0.00%    
Investment, Identifier [Axis]: Access CIG, LLC, Second lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 7.75% [11],[12],[13] 7.75% [15],[16],[25]  
Par / Units $ 58,760,000 [11],[12],[13] $ 58,760,000 [15],[16],[25]  
Amortized Cost 58,407,000 [11],[12],[13] 58,343,000 [15],[16],[25]  
Fair Value $ 58,024,000 [11],[12],[13] $ 58,466,000 [15],[16],[25]  
Percentage of Net Assets 1.00% [11],[12],[13] 1.00% [15],[16],[25]  
Investment, Identifier [Axis]: Alera Group, Inc., First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[20],[25],[29]   5.50%  
Par / Units [15],[16],[20],[25],[29]   $ 11,825,000  
Amortized Cost [15],[16],[20],[25],[29]   11,560,000  
Fair Value [15],[16],[20],[25],[29]   $ 11,554,000  
Percentage of Net Assets [15],[16],[20],[25],[29]   0.20%  
Investment, Identifier [Axis]: Alera Group, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.50% [11],[12],[30] 5.50% [15],[16],[25]  
Par / Units $ 34,902,000 [11],[12],[30] $ 43,036,000 [15],[16],[25]  
Amortized Cost 34,212,000 [11],[12],[30] 42,097,000 [15],[16],[25]  
Fair Value $ 34,640,000 [11],[12],[30] $ 42,068,000 [15],[16],[25]  
Percentage of Net Assets 0.60% [11],[12],[30] 0.70% [15],[16],[25]  
Investment, Identifier [Axis]: AmSpec Group, Inc. (fka AmSpec Services Inc.), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.75% [11],[12],[13] 5.75% [15],[16],[17]  
Par / Units $ 109,411,000 [11],[12],[13] $ 110,265,000 [15],[16],[17]  
Amortized Cost 108,722,000 [11],[12],[13] 109,296,000 [15],[16],[17]  
Fair Value $ 108,589,000 [11],[12],[13] $ 109,713,000 [15],[16],[17]  
Percentage of Net Assets 1.90% [11],[12],[13] 1.80% [15],[16],[17]  
Investment, Identifier [Axis]: AmSpec Group, Inc. (fka AmSpec Services Inc.), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 3.75% [11],[12],[19],[31] 3.75% [15],[16],[20],[32]  
Par / Units $ 2,712,000 [11],[12],[19],[31] $ 3,796,000 [15],[16],[20],[32]  
Amortized Cost 2,638,000 [11],[12],[19],[31] 3,691,000 [15],[16],[20],[32]  
Fair Value $ 2,603,000 [11],[12],[19],[31] $ 3,724,000 [15],[16],[20],[32]  
Percentage of Net Assets 0.00% [11],[12],[19],[31] 0.10% [15],[16],[20],[32]  
Investment, Identifier [Axis]: Amergin Asset Management, LLC, Class A Units      
Schedule of Investments [Line Items]      
Units (in shares) [12],[14],[23],[24] 50,000,000    
Amortized Cost [12],[14],[23],[24] $ 0    
Fair Value [12],[14],[23],[24] $ 0    
Percentage of Net Assets [12],[14],[23],[24] 0.00%    
Investment, Identifier [Axis]: AmeriLife Holdings LLC, First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[33],[34] 5.75%    
Par / Units [11],[12],[19],[33],[34] $ 0    
Amortized Cost [11],[12],[19],[33],[34] (2,000)    
Fair Value [11],[12],[19],[33],[34] $ (4,000)    
Percentage of Net Assets [11],[12],[19],[33],[34] 0.00%    
Investment, Identifier [Axis]: AmeriLife Holdings LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[30] 5.75%    
Par / Units [11],[12],[30] $ 727,000    
Amortized Cost [11],[12],[30] 713,000    
Fair Value [11],[12],[30] $ 713,000    
Percentage of Net Assets [11],[12],[30] 0.00%    
Investment, Identifier [Axis]: AmeriLife Holdings LLC, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[33] 5.75%    
Par / Units [11],[12],[19],[33] $ 0    
Amortized Cost [11],[12],[19],[33] (2,000)    
Fair Value [11],[12],[19],[33] $ (1,000)    
Percentage of Net Assets [11],[12],[19],[33] 0.00%    
Investment, Identifier [Axis]: Anaplan, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[35] 6.50%    
Par / Units [11],[12],[35] $ 135,082,000    
Amortized Cost [11],[12],[35] 133,772,000    
Fair Value [11],[12],[35] $ 134,744,000    
Percentage of Net Assets [11],[12],[35] 2.30%    
Investment, Identifier [Axis]: Anaplan, Inc., First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[33] 6.50%    
Par / Units [11],[12],[19],[33] $ 0    
Amortized Cost [11],[12],[19],[33] (93,000)    
Fair Value [11],[12],[19],[33] $ (24,000)    
Percentage of Net Assets [11],[12],[19],[33] 0.00%    
Investment, Identifier [Axis]: Apex Group Treasury, LLC, Second lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[18],[20],[29]   6.75%  
Par / Units [15],[16],[18],[20],[29]   $ 0  
Amortized Cost [15],[16],[18],[20],[29]   0  
Fair Value [15],[16],[18],[20],[29]   $ 0  
Percentage of Net Assets [15],[16],[18],[20],[29]   0.00%  
Investment, Identifier [Axis]: Apex Group Treasury, LLC, Second lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.75% [11],[12],[13],[14] 6.75% [15],[16],[17],[18]  
Par / Units $ 44,147,000 [11],[12],[13],[14] $ 19,000,000 [15],[16],[17],[18]  
Amortized Cost 43,484,000 [11],[12],[13],[14] 18,817,000 [15],[16],[17],[18]  
Fair Value $ 42,381,000 [11],[12],[13],[14] $ 18,810,000 [15],[16],[17],[18]  
Percentage of Net Assets 0.70% [11],[12],[13],[14] 0.30% [15],[16],[17],[18]  
Investment, Identifier [Axis]: Apex Service Partners Intermediate 2, LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [12],[21] 12.50%    
Interest, PIK [12],[21] 12.50%    
Par / Units [12],[21] $ 47,500,000    
Amortized Cost [12],[21] 46,346,000    
Fair Value [12],[21] $ 46,313,000    
Percentage of Net Assets [12],[21] 0.80%    
Investment, Identifier [Axis]: Apex Service Partners, LLC, First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[30],[34] 5.50%    
Par / Units [11],[12],[19],[30],[34] $ 832,000    
Amortized Cost [11],[12],[19],[30],[34] 820,000    
Fair Value [11],[12],[19],[30],[34] $ 826,000    
Percentage of Net Assets [11],[12],[19],[30],[34] 0.00%    
Investment, Identifier [Axis]: Apex Service Partners, LLC, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[33] 5.50%    
Par / Units [11],[12],[19],[33] $ 0    
Amortized Cost [11],[12],[19],[33] (1,000)    
Fair Value [11],[12],[19],[33] $ 0    
Percentage of Net Assets [11],[12],[19],[33] 0.00%    
Investment, Identifier [Axis]: Apptio, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.00% [11],[12],[13] 7.25% [15],[16]  
Par / Units $ 50,916,000 [11],[12],[13] $ 50,916,000 [15],[16]  
Amortized Cost 50,347,000 [11],[12],[13] 50,179,000 [15],[16],[36]  
Fair Value $ 50,916,000 [11],[12],[13] $ 50,916,000 [15],[16],[36]  
Percentage of Net Assets 0.90% [11],[12],[13] 0.90% [15],[16],[36]  
Investment, Identifier [Axis]: Apptio, Inc., First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 6.00% [11],[12],[13],[19] 7.25% [15],[16],[17],[20]  
Par / Units $ 1,112,000 [11],[12],[13],[19] $ 1,112,000 [15],[16],[17],[20]  
Amortized Cost 1,090,000 [11],[12],[13],[19] 1,084,000 [15],[16],[17],[20]  
Fair Value $ 1,112,000 [11],[12],[13],[19] $ 1,112,000 [15],[16],[17],[20]  
Percentage of Net Assets 0.00% [11],[12],[13],[19] 0.00% [15],[16],[17],[20]  
Investment, Identifier [Axis]: Aptive Environmental, LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [12],[37] 12.00%    
Interest, PIK [12],[37] 6.00%    
Par / Units [12],[37] $ 12,045,000    
Amortized Cost [12],[37] 9,946,000    
Fair Value [12],[37] $ 10,268,000    
Percentage of Net Assets [12],[37] 0.20%    
Investment, Identifier [Axis]: Aramsco, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.25% [11],[12],[28] 5.25% [15],[16],[25]  
Par / Units $ 55,466,000 [11],[12],[28] $ 55,899,000 [15],[16],[25]  
Amortized Cost 54,976,000 [11],[12],[28] 55,224,000 [15],[16],[25]  
Fair Value $ 55,327,000 [11],[12],[28] $ 55,899,000 [15],[16],[25]  
Percentage of Net Assets 0.90% [11],[12],[28] 0.90% [15],[16],[25]  
Investment, Identifier [Axis]: Aramsco, Inc., First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 5.25% [11],[12],[19],[28] 5.25% [15],[16],[20],[21]  
Par / Units $ 279,000 [11],[12],[19],[28] $ 0 [15],[16],[20],[21]  
Amortized Cost 213,000 [11],[12],[19],[28] (93,000) [15],[16],[20],[21]  
Fair Value $ 258,000 [11],[12],[19],[28] $ 0 [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[28] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Ardonagh Midco 2 PLC, Unsecured notes      
Schedule of Investments [Line Items]      
Interest [12],[14],[37] 11.50%    
Interest, PIK [16],[18],[38]   12.75%  
Par / Units $ 11,198,000 [12],[14],[37] $ 10,527,000 [16],[18],[38]  
Amortized Cost 11,131,000 [12],[14],[37] 10,451,000 [16],[18],[38]  
Fair Value $ 11,030,000 [12],[14],[37] $ 11,620,000 [16],[18],[38]  
Percentage of Net Assets 0.20% [12],[14],[37] 0.20% [16],[18],[38]  
Investment, Identifier [Axis]: Ardonagh Midco 3 PLC, First lien senior secured EUR term loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[14],[39] 7.00%    
Par / Units [11],[12],[14],[39] $ 8,949,000    
Amortized Cost [11],[12],[14],[39] 10,045,000    
Fair Value [11],[12],[14],[39] $ 8,926,000    
Percentage of Net Assets [11],[12],[14],[39] 0.20%    
Investment, Identifier [Axis]: Ardonagh Midco 3 PLC, First lien senior secured GBP delayed draw term loan      
Schedule of Investments [Line Items]      
Interest 5.75% [11],[12],[14],[19],[33],[34] 5.50% [15],[16],[18],[20],[29]  
Par / Units $ 0 [11],[12],[14],[19],[33],[34] $ 0 [15],[16],[18],[20],[29]  
Amortized Cost 0 [11],[12],[14],[19],[33],[34] 0 [15],[16],[18],[20],[29]  
Fair Value $ (68,000) [11],[12],[14],[19],[33],[34] $ 0 [15],[16],[18],[20],[29]  
Percentage of Net Assets 0.00% [11],[12],[14],[19],[33],[34] 0.00% [15],[16],[18],[20],[29]  
Investment, Identifier [Axis]: Ardonagh Midco 3 PLC, First lien senior secured GBP term loan      
Schedule of Investments [Line Items]      
Interest 7.00% [11],[12],[14],[36] 6.75% [15],[16],[18],[40]  
Par / Units $ 96,736,000 [11],[12],[14],[36] $ 117,374,000 [15],[16],[18],[40]  
Amortized Cost 107,073,000 [11],[12],[14],[36] 106,703,000 [15],[16],[18],[40]  
Fair Value $ 96,736,000 [11],[12],[14],[36] $ 117,374,000 [15],[16],[18],[40]  
Percentage of Net Assets 1.70% [11],[12],[14],[36] 2.00% [15],[16],[18],[40]  
Investment, Identifier [Axis]: Ardonagh Midco 3 PLC, First lien senior secured USD delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[18]   5.50%  
Par / Units [15],[16],[18],[36]   $ 26,784,000  
Amortized Cost [15],[16],[18],[36]   26,269,000  
Fair Value [15],[16],[18],[36]   $ 26,784,000  
Percentage of Net Assets [15],[16],[18],[36]   0.50%  
Investment, Identifier [Axis]: Ardonagh Midco 3 PLC, First lien senior secured USD term loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[14],[36] 5.75%    
Par / Units [11],[12],[14],[36] $ 26,784,000    
Amortized Cost [11],[12],[14],[36] 26,354,000    
Fair Value [11],[12],[14],[36] $ 26,583,000    
Percentage of Net Assets [11],[12],[14],[36] 0.50%    
Investment, Identifier [Axis]: Ardonagh Midco 3 PLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[18],[41]   6.75%  
Par / Units [15],[16],[18],[41]   $ 10,388,000  
Amortized Cost [15],[16],[18],[41]   10,013,000  
Fair Value [15],[16],[18],[41]   $ 10,388,000  
Percentage of Net Assets [15],[16],[18],[41]   0.20%  
Investment, Identifier [Axis]: Armstrong Bidco Limited (dba The Access Group), First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[14],[19],[34],[37] 5.75%    
Par / Units [11],[12],[14],[19],[34],[37] $ 373,000    
Amortized Cost [11],[12],[14],[19],[34],[37] 401,000    
Fair Value [11],[12],[14],[19],[34],[37] $ 368,000    
Percentage of Net Assets [11],[12],[14],[19],[34],[37] 0.00%    
Investment, Identifier [Axis]: Armstrong Bidco Limited (dba The Access Group), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[14],[37] 5.75%    
Par / Units [11],[12],[14],[37] $ 2,171,000    
Amortized Cost [11],[12],[14],[37] 2,335,000    
Fair Value [11],[12],[14],[37] $ 2,139,000    
Percentage of Net Assets [11],[12],[14],[37] 0.00%    
Investment, Identifier [Axis]: Aruba Investments Holdings LLC (dba Angus Chemical Company),Second lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[36]   7.75%  
Par / Units [15],[16],[36]   $ 10,000,000  
Amortized Cost [15],[16],[36]   9,867,000  
Fair Value [15],[16],[36]   $ 10,000,000  
Percentage of Net Assets [15],[16],[36]   0.20%  
Investment, Identifier [Axis]: Aruba Investments Holdings, LLC (dba Angus Chemical Company), Second lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[28] 7.75%    
Par / Units [11],[12],[28] $ 10,000,000    
Amortized Cost [11],[12],[28] 9,877,000    
Fair Value [11],[12],[28] $ 9,725,000    
Percentage of Net Assets [11],[12],[28] 0.20%    
Investment, Identifier [Axis]: Ascend Buyer, LLC (dba PPC Flexible Packaging), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.75% [11],[12],[13] 5.75% [15],[16],[17]  
Par / Units $ 5,512,000 [11],[12],[13] $ 5,554,000 [15],[16],[17]  
Amortized Cost 5,463,000 [11],[12],[13] 5,500,000 [15],[16],[17]  
Fair Value $ 5,443,000 [11],[12],[13] $ 5,498,000 [15],[16],[17]  
Percentage of Net Assets 0.10% [11],[12],[13] 0.10% [15],[16],[17]  
Investment, Identifier [Axis]: Ascend Buyer, LLC (dba PPC Flexible Packaging), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 5.75% [11],[12],[19],[28] 5.75% [15],[16],[17],[20]  
Par / Units $ 75,000 [11],[12],[19],[28] $ 94,000 [15],[16],[17],[20]  
Amortized Cost 71,000 [11],[12],[19],[28] 89,000 [15],[16],[17],[20]  
Fair Value $ 68,000 [11],[12],[19],[28] $ 88,000 [15],[16],[17],[20]  
Percentage of Net Assets 0.00% [11],[12],[19],[28] 0.00% [15],[16],[17],[20]  
Investment, Identifier [Axis]: Associations Finance, Inc., Preferred Stock      
Schedule of Investments [Line Items]      
Interest [12],[21],[24] 12.00%    
Interest, PIK [12],[21],[24] 12.00%    
Units (in shares) [12],[21],[24] 54,800,000    
Amortized Cost [12],[21],[24] $ 53,658,000    
Fair Value [12],[21],[24] $ 54,020,000    
Percentage of Net Assets [12],[21],[24] 0.90%    
Investment, Identifier [Axis]: Associations, Inc., First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[30],[34] 6.50%    
Interest, PIK [11],[12],[19],[30],[34] 2.50%    
Par / Units [11],[12],[19],[30],[34] $ 2,920,000    
Amortized Cost [11],[12],[19],[30],[34] 2,455,000    
Fair Value [11],[12],[19],[30],[34] $ 2,796,000    
Percentage of Net Assets [11],[12],[19],[30],[34] 0.00%    
Investment, Identifier [Axis]: Associations, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.50% [11],[12],[30] 6.50% [15],[16],[17]  
Interest, PIK 2.50% [11],[12],[30] 2.50% [15],[16],[17]  
Par / Units $ 383,931,000 [11],[12],[30] $ 452,630,000 [15],[16],[17]  
Amortized Cost 380,919,000 [11],[12],[30] 448,461,000 [15],[16],[17]  
Fair Value $ 382,833,000 [11],[12],[30] $ 448,102,000 [15],[16],[17]  
Percentage of Net Assets 6.50% [11],[12],[30] 7.50% [15],[16],[17]  
Investment, Identifier [Axis]: Associations, Inc., First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 6.50% [11],[12],[19],[33] 6.50% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (261,000) [11],[12],[19],[33] (302,000) [15],[16],[20],[21]  
Fair Value $ (82,000) [11],[12],[19],[33] $ (329,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Aviation Solutions Midco, LLC (dba STS Aviation), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 7.25% [11],[12],[13] 7.25% [15],[16],[17]  
Par / Units $ 213,170,000 [11],[12],[13] $ 214,643,000 [15],[16],[17]  
Amortized Cost 211,355,000 [11],[12],[13] 212,314,000 [15],[16],[17]  
Fair Value $ 205,709,000 [11],[12],[13] $ 202,838,000 [15],[16],[17]  
Percentage of Net Assets 3.50% [11],[12],[13] 3.40% [15],[16],[17]  
Investment, Identifier [Axis]: AxiomSL Group, Inc., First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest 6.00% [11],[12],[19],[33],[34] 6.00% [15],[16],[20],[21],[29]  
Par / Units $ 0 [11],[12],[19],[33],[34] $ 0 [15],[16],[20],[21],[29]  
Amortized Cost (34,000) [11],[12],[19],[33],[34] (39,000) [15],[16],[20],[21],[29]  
Fair Value $ (62,000) [11],[12],[19],[33],[34] $ 0 [15],[16],[20],[21],[29]  
Percentage of Net Assets 0.00% [11],[12],[19],[33],[34] 0.00% [15],[16],[20],[21],[29]  
Investment, Identifier [Axis]: AxiomSL Group, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.00% [11],[12],[28] 6.00% [15],[16],[17]  
Par / Units $ 201,247,000 [11],[12],[28] $ 202,775,000 [15],[16],[17]  
Amortized Cost 199,326,000 [11],[12],[28] 200,614,000 [15],[16],[17]  
Fair Value $ 197,725,000 [11],[12],[28] $ 201,254,000 [15],[16],[17]  
Percentage of Net Assets 3.40% [11],[12],[28] 3.40% [15],[16],[17]  
Investment, Identifier [Axis]: AxiomSL Group, Inc., First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 6.00% [11],[12],[19],[33] 6.00% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (153,000) [11],[12],[19],[33] (190,000) [15],[16],[20],[21]  
Fair Value $ (319,000) [11],[12],[19],[33] $ (137,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: BCPE Nucleon (DE) SPV, LP, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [36] 7.00% [11],[12] 7.00% [15],[16]  
Par / Units $ 189,778,000 [11],[12],[36] $ 189,778,000 [15],[16]  
Amortized Cost [36] 187,677,000 [11],[12] 187,355,000 [15],[16]  
Fair Value [36] $ 188,829,000 [11],[12] $ 188,829,000 [15],[16]  
Percentage of Net Assets [36] 3.20% [11],[12] 3.20% [15],[16]  
Investment, Identifier [Axis]: BCPE Osprey Buyer, Inc. (dba PartsSource), First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest 5.75% [11],[12],[19],[33],[34] 5.75% [15],[16],[20],[21],[29]  
Par / Units $ 0 [11],[12],[19],[33],[34] $ 0 [15],[16],[20],[21],[29]  
Amortized Cost (239,000) [11],[12],[19],[33],[34] (269,000) [15],[16],[20],[21],[29]  
Fair Value $ (315,000) [11],[12],[19],[33],[34] $ (133,000) [15],[16],[20],[21],[29]  
Percentage of Net Assets 0.00% [11],[12],[19],[33],[34] 0.00% [15],[16],[20],[21],[29]  
Investment, Identifier [Axis]: BCPE Osprey Buyer, Inc. (dba PartsSource), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.75% [11],[12],[13] 5.75% [15],[16]  
Par / Units $ 113,196,000 [11],[12],[13] $ 114,052,000 [15],[16],[36]  
Amortized Cost 111,621,000 [11],[12],[13] 112,307,000 [15],[16],[36]  
Fair Value $ 110,649,000 [11],[12],[13] $ 112,227,000 [15],[16],[36]  
Percentage of Net Assets 1.90% [11],[12],[13] 1.90% [15],[16],[36]  
Investment, Identifier [Axis]: BCPE Osprey Buyer, Inc. (dba PartsSource), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 5.75% [11],[12],[19],[33] 5.75% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (159,000) [11],[12],[19],[33] (190,000) [15],[16],[20],[21]  
Fair Value $ (267,000) [11],[12],[19],[33] $ (190,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: BCPE Watson (DE) ORML, LP, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[14],[42],[43] 6.50%    
Par / Units [11],[12],[14],[42],[43] $ 15,000,000    
Amortized Cost [11],[12],[14],[42],[43] 14,855,000    
Fair Value [11],[12],[14],[42],[43] $ 14,850,000    
Percentage of Net Assets [11],[12],[14],[42],[43] 0.30%    
Investment, Identifier [Axis]: BCTO BSI Buyer, Inc. (dba Buildertrend), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 8.00% [11],[12],[30] 7.00% [15],[16],[17]  
Interest, PIK [11],[12],[30] 8.00%    
Par / Units $ 51,889,000 [11],[12],[30] $ 44,643,000 [15],[16],[17]  
Amortized Cost 51,448,000 [11],[12],[30] 44,258,000 [15],[16],[17]  
Fair Value $ 51,889,000 [11],[12],[30] $ 44,420,000 [15],[16],[17]  
Percentage of Net Assets 0.90% [11],[12],[30] 0.70% [15],[16],[17]  
Investment, Identifier [Axis]: BCTO BSI Buyer, Inc. (dba Buildertrend), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 7.00% [11],[12],[19],[33] 7.00% [15],[16],[17],[20]  
Par / Units $ 0 [11],[12],[19],[33] $ 3,018,000 [15],[16],[17],[20]  
Amortized Cost (90,000) [11],[12],[19],[33] 2,973,000 [15],[16],[17],[20]  
Fair Value $ 0 [11],[12],[19],[33] $ 2,991,000 [15],[16],[17],[20]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.10% [15],[16],[17],[20]  
Investment, Identifier [Axis]: BCTO WIW Holdings, Inc. (dba When I Work), Class A Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 13,000 [12],[23],[24] 13 [16],[26],[27]  
Amortized Cost $ 1,300,000 [12],[23],[24] $ 1,300,000 [16],[26],[27]  
Fair Value $ 1,171,000 [12],[23],[24] $ 1,300,000 [16],[26],[27]  
Percentage of Net Assets 0.00% [12],[23],[24] 0.00% [16],[26],[27]  
Investment, Identifier [Axis]: BEHP Co-Investor II, L.P., Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) [12],[14],[23],[24] 1,269,969    
Amortized Cost [12],[14],[23],[24] $ 1,266,000    
Fair Value [12],[14],[23],[24] $ 1,270,000    
Percentage of Net Assets [12],[14],[23],[24] 0.00%    
Investment, Identifier [Axis]: BP Veraison Buyer, LLC (dba Sun World), First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest 5.75% [11],[12],[19],[33],[34] 5.75% [15],[16],[20],[21],[29]  
Par / Units $ 0 [11],[12],[19],[33],[34] $ 0 [15],[16],[20],[21],[29]  
Amortized Cost (28,000) [11],[12],[19],[33],[34] (32,000) [15],[16],[20],[21],[29]  
Fair Value $ 0 [11],[12],[19],[33],[34] $ 0 [15],[16],[20],[21],[29]  
Percentage of Net Assets 0.00% [11],[12],[19],[33],[34] 0.00% [15],[16],[20],[21],[29]  
Investment, Identifier [Axis]: BP Veraison Buyer, LLC (dba Sun World), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.75% [11],[12],[13] 5.75% [15],[16],[44]  
Par / Units $ 68,858,000 [11],[12],[13] $ 69,381,000 [15],[16],[44]  
Amortized Cost 68,171,000 [11],[12],[13] 68,596,000 [15],[16],[44]  
Fair Value $ 68,342,000 [11],[12],[13] $ 68,687,000 [15],[16],[44]  
Percentage of Net Assets 1.20% [11],[12],[13] 1.20% [15],[16],[44]  
Investment, Identifier [Axis]: BP Veraison Buyer, LLC (dba Sun World), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 5.75% [11],[12],[19],[33] 5.75% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (84,000) [11],[12],[19],[33] (97,000) [15],[16],[20],[21]  
Fair Value $ (65,000) [11],[12],[19],[33] $ (87,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Balrog Acquisition, Inc. (dba BakeMark), Second lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[36]   7.00%  
Par / Units [15],[16],[36]   $ 22,000,000  
Amortized Cost [15],[16],[36]   21,821,000  
Fair Value [15],[16],[36]   $ 21,815,000  
Percentage of Net Assets [15],[16],[36]   0.40%  
Investment, Identifier [Axis]: Balrog Acquisition, Inc. (dba Bakemark), Second lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[13] 7.00%    
Par / Units [11],[12],[13] $ 22,000,000    
Amortized Cost [11],[12],[13] 21,834,000    
Fair Value [11],[12],[13] $ 21,560,000    
Percentage of Net Assets [11],[12],[13] 0.40%    
Investment, Identifier [Axis]: Bayshore Intermediate #2, L.P. (dba Boomi), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[28] 7.75%    
Interest, PIK 7.75% [11],[12],[28] 7.75% [15],[16],[17]  
Par / Units $ 90,127,000 [11],[12],[28] $ 82,962,000 [15],[16],[17]  
Amortized Cost 88,461,000 [11],[12],[28] 81,145,000 [15],[16],[17]  
Fair Value $ 88,099,000 [11],[12],[28] $ 81,095,000 [15],[16],[17]  
Percentage of Net Assets 1.50% [11],[12],[28] 1.40% [15],[16],[17]  
Investment, Identifier [Axis]: Bayshore Intermediate #2, L.P. (dba Boomi), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 6.75% [11],[12],[19],[33] 6.75% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (130,000) [11],[12],[19],[33] (149,000) [15],[16],[20],[21]  
Fair Value $ (156,000) [11],[12],[19],[33] $ (156,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Black Mountain Sand Eagle Ford LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[17]   8.25%  
Par / Units [15],[16],[17]   $ 4,808,000  
Amortized Cost [15],[16],[17]   4,808,000  
Fair Value [15],[16],[17]   $ 4,808,000  
Percentage of Net Assets [15],[16],[17]   0.10%  
Investment, Identifier [Axis]: Blackhawk Network Holdings, Inc., Second lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 7.00% [11],[12],[13] 7.00% [15],[16],[25]  
Par / Units $ 106,400,000 [11],[12],[13] $ 106,400,000 [15],[16],[25]  
Amortized Cost 105,856,000 [11],[12],[13] 105,763,000 [15],[16],[25]  
Fair Value $ 105,868,000 [11],[12],[13] $ 106,400,000 [15],[16],[25]  
Percentage of Net Assets 1.80% [11],[12],[13] 1.80% [15],[16],[25]  
Investment, Identifier [Axis]: Blend Labs, Inc., Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) [16],[26],[27]   72,317  
Amortized Cost [16],[26],[27]   $ 1,000,000  
Fair Value [16],[26],[27]   $ 515,000  
Percentage of Net Assets [16],[26],[27]   0.00%  
Investment, Identifier [Axis]: Blend Labs, Inc., Common stock      
Schedule of Investments [Line Items]      
Units (in shares) [12],[23],[45] 72,317    
Amortized Cost [12],[23],[45] $ 1,000,000    
Fair Value [12],[23],[45] $ 160,000    
Percentage of Net Assets [12],[23],[45] 0.00%    
Investment, Identifier [Axis]: Blend Labs, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 7.50% [11],[12],[28] 7.50% [15],[16],[17]  
Par / Units $ 67,500,000 [11],[12],[28] $ 67,500,000 [15],[16],[17]  
Amortized Cost 66,204,000 [11],[12],[28] 65,988,000 [15],[16],[17]  
Fair Value $ 66,319,000 [11],[12],[28] $ 66,150,000 [15],[16],[17]  
Percentage of Net Assets 1.10% [11],[12],[28] 1.10% [15],[16],[17]  
Investment, Identifier [Axis]: Blend Labs, Inc., First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 7.50% [11],[12],[19],[33] 7.50% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (56,000) [11],[12],[19],[33] (67,000) [15],[16],[20],[21]  
Fair Value $ (131,000) [11],[12],[19],[33] $ (150,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Blend Labs, Inc., Warrants      
Schedule of Investments [Line Items]      
Units (in shares) 179,529 [12],[23],[24] 179,529 [16],[26],[27]  
Amortized Cost $ 975,000 [12],[23],[24] $ 975,000 [16],[26],[27]  
Fair Value $ 22,000 [12],[23],[24] $ 380,000 [16],[26],[27]  
Percentage of Net Assets 0.00% [12],[23],[24] 0.00% [16],[26],[27]  
Investment, Identifier [Axis]: Bracket Intermediate Holding Corp., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 4.25% [11],[12],[13],[46] 4.25% [15],[16],[17]  
Par / Units $ 512,000 [11],[12],[13],[46] $ 516,000 [15],[16],[17]  
Amortized Cost 488,000 [11],[12],[13],[46] 487,000 [15],[16],[17]  
Fair Value $ 485,000 [11],[12],[13],[46] $ 514,000 [15],[16],[17]  
Percentage of Net Assets 0.00% [11],[12],[13],[46] 0.00% [15],[16],[17]  
Investment, Identifier [Axis]: Bracket Intermediate Holding Corp., Second lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 8.13% [11],[12],[13] 8.13% [15],[16],[17]  
Par / Units $ 26,250,000 [11],[12],[13] $ 26,250,000 [15],[16],[17]  
Amortized Cost 25,943,000 [11],[12],[13] 25,896,000 [15],[16],[17]  
Fair Value $ 25,134,000 [11],[12],[13] $ 26,119,000 [15],[16],[17]  
Percentage of Net Assets 0.40% [11],[12],[13] 0.40% [15],[16],[17]  
Investment, Identifier [Axis]: Brightway Holdings, LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.50% [11],[12],[28] 6.50% [15],[16],[17]  
Par / Units $ 26,708,000 [11],[12],[28] $ 26,842,000 [15],[16],[17]  
Amortized Cost 26,410,000 [11],[12],[28] 26,509,000 [15],[16],[17]  
Fair Value $ 26,174,000 [11],[12],[28] $ 26,507,000 [15],[16],[17]  
Percentage of Net Assets 0.40% [11],[12],[28] 0.40% [15],[16],[17]  
Investment, Identifier [Axis]: Brightway Holdings, LLC, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 6.50% [11],[19],[33] 6.50% [15],[20],[21]  
Par / Units $ 0 [11],[19],[33] $ 0 [15],[20],[21]  
Amortized Cost (34,000) [11],[19],[33] (39,000) [15],[20],[21]  
Fair Value $ (63,000) [11],[19],[33] $ (39,000) [15],[20],[21]  
Percentage of Net Assets 0.00% [11],[19],[33] 0.00% [15],[20],[21]  
Investment, Identifier [Axis]: Brooklyn Lender Co-Invest 2, L.P. (dba Boomi), Common Units      
Schedule of Investments [Line Items]      
Units (in shares) [12],[23],[24] 7,503,843    
Amortized Cost [12],[23],[24] $ 7,504,000    
Fair Value [12],[23],[24] $ 7,379,000    
Percentage of Net Assets [12],[23],[24] 0.10%    
Investment, Identifier [Axis]: Brooklyn Lender Co-Invest 2, L.P., Common Units      
Schedule of Investments [Line Items]      
Units (in shares) [16],[26],[27]   7,503,843  
Amortized Cost [16],[26],[27]   $ 7,504,000  
Fair Value [16],[26],[27]   $ 7,504,000  
Percentage of Net Assets [16],[26],[27]   0.10%  
Investment, Identifier [Axis]: CD&R Value Building Partners I, L.P. (dba Belron), LP Interest      
Schedule of Investments [Line Items]      
Units (in shares) [12],[14],[23],[24] 33,108    
Amortized Cost [12],[14],[23],[24] $ 33,108,000    
Fair Value [12],[14],[23],[24] $ 32,614,000    
Percentage of Net Assets [12],[14],[23],[24] 0.60%    
Investment, Identifier [Axis]: CD&R Value Building Partners I, L.P., LP Interest      
Schedule of Investments [Line Items]      
Units (in shares) [16],[18],[26],[27]   33,000  
Amortized Cost [16],[18],[26],[27]   $ 33,065,000  
Fair Value [16],[18],[26],[27]   $ 33,000,000  
Percentage of Net Assets [16],[18],[26],[27]   0.60%  
Investment, Identifier [Axis]: CIBT Global, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.25% [11],[12],[13],[47] 5.25% [15],[16],[17],[48]  
Interest, PIK 4.25% [11],[12],[13],[47] 4.25% [15],[16],[17],[48]  
Par / Units $ 874,000 [11],[12],[13],[47] $ 856,000 [15],[16],[17],[48]  
Amortized Cost 616,000 [11],[12],[13],[47] 629,000 [15],[16],[17],[48]  
Fair Value $ 507,000 [11],[12],[13],[47] $ 531,000 [15],[16],[17],[48]  
Percentage of Net Assets 0.00% [11],[12],[13],[47] 0.00% [15],[16],[17],[48]  
Investment, Identifier [Axis]: CIBT Global, Inc., Second lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 7.75% [11],[12],[13],[47] 7.75% [15],[16],[48],[49]  
Interest, PIK 7.75% [11],[12],[13],[47] 6.75% [15],[16],[48],[49]  
Par / Units $ 63,678,000 [11],[12],[13],[47] $ 63,678,000 [15],[16],[48],[49]  
Amortized Cost 26,736,000 [11],[12],[13],[47] 26,745,000 [15],[16],[48],[49]  
Fair Value $ 10,506,000 [11],[12],[13],[47] $ 15,919,000 [15],[16],[48],[49]  
Percentage of Net Assets 0.20% [11],[12],[13],[47] 0.30% [15],[16],[48],[49]  
Investment, Identifier [Axis]: CP PIK DEBT ISSUER, LLC (dba CivicPlus, LLC), Unsecured notes      
Schedule of Investments [Line Items]      
Interest [11],[12],[43] 11.75%    
Interest, PIK [11],[12],[43] 11.75%    
Par / Units [11],[12],[43] $ 16,734,000    
Amortized Cost [11],[12],[43] 16,244,000    
Fair Value [11],[12],[43] $ 16,399,000    
Percentage of Net Assets [11],[12],[43] 0.30%    
Investment, Identifier [Axis]: CSC MKG Topco LLC. (dba Medical Knowledge Group), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[28] 5.75%    
Par / Units [11],[12],[28] $ 1,278,000    
Amortized Cost [11],[12],[28] 1,254,000    
Fair Value [11],[12],[28] $ 1,246,000    
Percentage of Net Assets [11],[12],[28] 0.00%    
Investment, Identifier [Axis]: Centrify Corporation, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.00% [11],[12],[28] 5.75% [15],[16],[17]  
Par / Units $ 66,397,000 [11],[12],[28] $ 66,903,000 [15],[16],[17]  
Amortized Cost 65,038,000 [11],[12],[28] 65,383,000 [15],[16],[17]  
Fair Value $ 64,737,000 [11],[12],[28] $ 65,564,000 [15],[16],[17]  
Percentage of Net Assets 1.10% [11],[12],[28] 1.10% [15],[16],[17]  
Investment, Identifier [Axis]: Centrify Corporation, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 6.00% [11],[12],[19],[28] 5.75% [15],[16],[20],[21]  
Par / Units $ 3,409,000 [11],[12],[19],[28] $ 0 [15],[16],[20],[21]  
Amortized Cost 3,261,000 [11],[12],[19],[28] (173,000) [15],[16],[20],[21]  
Fair Value $ 3,238,000 [11],[12],[19],[28] $ (136,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.10% [11],[12],[19],[28] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Chapford SMA Partnership, L.P. | Non-controlled, affiliated investments      
Schedule of Investments [Line Items]      
Fair Value $ 7,032,000 $ 0  
Investment, Identifier [Axis]: Chapford SMA Partnership, L.P., LP Interest      
Schedule of Investments [Line Items]      
Units (in shares) [12],[14],[19],[23],[24],[42],[50] 7,350    
Amortized Cost [12],[14],[19],[23],[24],[42],[50] $ 7,032,000    
Fair Value [12],[14],[19],[23],[24],[42],[50] $ 7,032,000    
Percentage of Net Assets [12],[14],[19],[23],[24],[42],[50] 0.10%    
Investment, Identifier [Axis]: CivicPlus, LLC, First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[20],[29]   6.00%  
Par / Units [15],[16],[20],[29]   $ 0  
Amortized Cost [15],[16],[20],[29]   0  
Fair Value [15],[16],[20],[29]   $ 0  
Percentage of Net Assets [15],[16],[20],[29]   0.00%  
Investment, Identifier [Axis]: CivicPlus, LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.75% [11],[12],[28] 6.00% [15],[16],[17]  
Interest, PIK [11],[12],[28] 2.50%    
Par / Units $ 34,545,000 [11],[12],[28] $ 14,236,000 [15],[16],[17]  
Amortized Cost 34,234,000 [11],[12],[28] 14,101,000 [15],[16],[17]  
Fair Value $ 34,460,000 [11],[12],[28] $ 14,094,000 [15],[16],[17]  
Percentage of Net Assets 0.60% [11],[12],[28] 0.20% [15],[16],[17]  
Investment, Identifier [Axis]: CivicPlus, LLC, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 6.25% [11],[12],[19],[33] 6.00% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (24,000) [11],[12],[19],[33] (13,000) [15],[16],[20],[21]  
Fair Value $ (7,000) [11],[12],[19],[33] $ (13,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: ConAir Holdings LLC, Second lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 7.50% [11],[12],[13] 7.50% [15],[16],[17]  
Par / Units $ 187,500,000 [11],[12],[13] $ 187,500,000 [15],[16],[17]  
Amortized Cost 186,275,000 [11],[12],[13] 186,174,000 [15],[16],[17]  
Fair Value $ 170,625,000 [11],[12],[13] $ 187,500,000 [15],[16],[17]  
Percentage of Net Assets 2.90% [11],[12],[13] 3.20% [15],[16],[17]  
Investment, Identifier [Axis]: Confluent Medical Technologies, Inc., Second lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[30] 6.50%    
Par / Units [11],[12],[30] $ 1,000,000    
Amortized Cost [11],[12],[30] 982,000    
Fair Value [11],[12],[30] $ 985,000    
Percentage of Net Assets [11],[12],[30] 0.00%    
Investment, Identifier [Axis]: Cornerstone OnDemand, Inc., Second lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.50% [11],[12],[28] 6.50% [15],[16],[36]  
Par / Units $ 115,833,000 [11],[12],[28] $ 115,833,000 [15],[16],[36]  
Amortized Cost 114,253,000 [11],[12],[28] 114,128,000 [15],[16],[36]  
Fair Value $ 110,910,000 [11],[12],[28] $ 114,096,000 [15],[16],[36]  
Percentage of Net Assets 1.90% [11],[12],[28] 1.90% [15],[16],[36]  
Investment, Identifier [Axis]: Delta TopCo, Inc. (dba Infoblox, Inc.), Second lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 7.25% [11],[12],[36] 7.25% [15],[16],[17]  
Par / Units $ 15,000,000 [11],[12],[36] $ 15,000,000 [15],[16],[17]  
Amortized Cost 14,939,000 [11],[12],[36] 14,934,000 [15],[16],[17]  
Fair Value $ 13,875,000 [11],[12],[36] $ 15,000,000 [15],[16],[17]  
Percentage of Net Assets 0.20% [11],[12],[36] 0.30% [15],[16],[17]  
Investment, Identifier [Axis]: Denali BuyerCo, LLC (dba Summit Companies), First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest 5.75% [11],[12],[13],[19],[34] 6.00% [16],[17],[20],[29]  
Par / Units $ 5,961,000 [11],[12],[13],[19],[34] $ 2,003,000 [15],[16],[17],[20],[29]  
Amortized Cost 5,872,000 [11],[12],[13],[19],[34] 1,927,000 [15],[16],[17],[20],[29]  
Fair Value $ 5,876,000 [11],[12],[13],[19],[34] $ 1,983,000 [15],[16],[17],[20],[29]  
Percentage of Net Assets 0.10% [11],[12],[13],[19],[34] 0.00% [15],[16],[17],[20],[29]  
Investment, Identifier [Axis]: Denali BuyerCo, LLC (dba Summit Companies), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.75% [11],[12],[13] 6.00% [15],[16],[17]  
Par / Units $ 43,449,000 [11],[12],[13] $ 51,393,000 [15],[16],[17]  
Amortized Cost 42,870,000 [11],[12],[13] 50,665,000 [15],[16],[17]  
Fair Value $ 42,905,000 [11],[12],[13] $ 50,879,000 [15],[16],[17]  
Percentage of Net Assets 0.70% [11],[12],[13] 0.90% [15],[16],[17]  
Investment, Identifier [Axis]: Denali BuyerCo, LLC (dba Summit Companies), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 5.75% [11],[12],[19],[33] 6.00% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (25,000) [11],[12],[19],[33] (34,000) [15],[16],[20],[21]  
Fair Value $ (37,000) [11],[12],[19],[33] $ (36,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Denali Holding LP (dba Summit Companies), Class A Units      
Schedule of Investments [Line Items]      
Units (in shares) [16],[26],[27]   313,850  
Amortized Cost [16],[26],[27]   $ 3,136,000  
Fair Value [16],[26],[27]   $ 3,136,000  
Percentage of Net Assets [16],[26],[27]   0.10%  
Investment, Identifier [Axis]: Denali Holding, LP (dba Summit Companies), Class A Units      
Schedule of Investments [Line Items]      
Units (in shares) [12],[23],[24] 313,580    
Amortized Cost [12],[23],[24] $ 3,431,000    
Fair Value [12],[23],[24] $ 4,168,000    
Percentage of Net Assets [12],[23],[24] 0.10%    
Investment, Identifier [Axis]: Diagnostic Service Holdings, Inc. (dba Rayus Radiology), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[28] 5.50%    
Par / Units [11],[12],[28] $ 998,000    
Amortized Cost [11],[12],[28] 998,000    
Fair Value [11],[12],[28] $ 992,000    
Percentage of Net Assets [11],[12],[28] 0.00%    
Investment, Identifier [Axis]: Diamondback Acquisition, Inc. (dba Sphera), First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest 5.50% [11],[12],[19],[33],[34] 5.50% [15],[16],[20],[21],[29]  
Par / Units $ 0 [11],[12],[19],[33],[34] $ 0 [15],[16],[20],[21],[29]  
Amortized Cost (9,000) [11],[12],[19],[33],[34] (10,000) [15],[16],[20],[21],[29]  
Fair Value $ 0 [11],[12],[19],[33],[34] $ (11,000) [15],[16],[20],[21],[29]  
Percentage of Net Assets 0.00% [11],[12],[19],[33],[34] 0.00% [15],[16],[20],[21],[29]  
Investment, Identifier [Axis]: Diamondback Acquisition, Inc. (dba Sphera), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.50% [11],[12],[28] 5.50% [15],[16],[25]  
Par / Units $ 4,119,000 [11],[12],[28] $ 5,407,000 [15],[16],[25]  
Amortized Cost 4,047,000 [11],[12],[28] 5,302,000 [15],[16],[25]  
Fair Value $ 4,078,000 [11],[12],[28] $ 5,298,000 [15],[16],[25]  
Percentage of Net Assets 0.10% [11],[12],[28] 0.10% [15],[16],[25]  
Investment, Identifier [Axis]: Dodge Contruction Network Holdings, LP, Class A-2 Common Units      
Schedule of Investments [Line Items]      
Units (in shares) [12],[23],[24] 2,181,629    
Amortized Cost [12],[23],[24] $ 1,859,000    
Fair Value [12],[23],[24] $ 1,855,000    
Percentage of Net Assets [12],[23],[24] 0.00%    
Investment, Identifier [Axis]: Dodge Contruction Network Holdings, LP, Series A Preferred Units      
Schedule of Investments [Line Items]      
Interest [12],[21],[24] 8.25%    
Units (in shares) [12],[21],[24] 0    
Amortized Cost [12],[21],[24] $ 45,000    
Fair Value [12],[21],[24] $ 45,000    
Percentage of Net Assets [12],[21],[24] 0.00%    
Investment, Identifier [Axis]: Dodge Data & Analytics LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[17]   7.50%  
Par / Units [15],[16],[17]   $ 32,561,000  
Amortized Cost [15],[16],[17]   31,987,000  
Fair Value [15],[16],[17]   $ 33,538,000  
Percentage of Net Assets [15],[16],[17]   0.60%  
Investment, Identifier [Axis]: Dodge Data & Analytics LLC, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[20],[21]   7.50%  
Par / Units [15],[16],[20],[21]   $ 0  
Amortized Cost [15],[16],[20],[21]   (32,000)  
Fair Value [15],[16],[20],[21]   $ 0  
Percentage of Net Assets [15],[16],[20],[21]   0.00%  
Investment, Identifier [Axis]: Douglas Products and Packaging Company LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.75% [11],[12],[28] 5.75% [15],[16],[17]  
Par / Units $ 105,356,000 [11],[12],[28] $ 106,179,000 [15],[16],[17]  
Amortized Cost 105,342,000 [11],[12],[28] 105,952,000 [15],[16],[17]  
Fair Value $ 104,566,000 [11],[12],[28] $ 105,117,000 [15],[16],[17]  
Percentage of Net Assets 1.80% [11],[12],[28] 1.80% [15],[16],[17]  
Investment, Identifier [Axis]: Douglas Products and Packaging Company LLC, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 4.75% [11],[12],[19],[31] 4.75% [15],[16],[20],[32]  
Par / Units $ 6,270,000 [11],[12],[19],[31] $ 5,147,000 [15],[16],[20],[32]  
Amortized Cost 6,263,000 [11],[12],[19],[31] 5,135,000 [15],[16],[20],[32]  
Fair Value $ 6,159,000 [11],[12],[19],[31] $ 5,056,000 [15],[16],[20],[32]  
Percentage of Net Assets 0.10% [11],[12],[19],[31] 0.10% [15],[16],[20],[32]  
Investment, Identifier [Axis]: EET Buyer, Inc. (dba e-Emphasys), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.25% [11],[12],[13] 5.75% [15],[16],[17]  
Par / Units $ 4,523,000 [11],[12],[13] $ 4,545,000 [15],[16],[17]  
Amortized Cost 4,483,000 [11],[12],[13] 4,501,000 [15],[16],[17]  
Fair Value $ 4,466,000 [11],[12],[13] $ 4,500,000 [15],[16],[17]  
Percentage of Net Assets 0.10% [11],[12],[13] 0.10% [15],[16],[17]  
Investment, Identifier [Axis]: EET Buyer, Inc. (dba e-Emphasys), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 5.25% [11],[12],[19],[33] 5.75% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (4,000) [11],[12],[19],[33] (4,000) [15],[16],[20],[21]  
Fair Value $ (6,000) [11],[12],[19],[33] $ (5,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Elliott Alto Co-Investor Aggregator L.P., LP Interest      
Schedule of Investments [Line Items]      
Units (in shares) [12],[14],[23],[24] 3,134    
Amortized Cost [12],[14],[23],[24] $ 3,144,000    
Fair Value [12],[14],[23],[24] $ 3,134,000    
Percentage of Net Assets [12],[14],[23],[24] 0.10%    
Investment, Identifier [Axis]: Endries Acquisition, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.25% [11],[12],[35] 6.25% [15],[16],[17]  
Par / Units $ 238,220,000 [11],[12],[35] $ 200,163,000 [15],[16],[17]  
Amortized Cost 236,072,000 [11],[12],[35] 197,994,000 [15],[16],[17]  
Fair Value $ 238,220,000 [11],[12],[35] $ 200,163,000 [15],[16],[17]  
Percentage of Net Assets 4.10% [11],[12],[35] 3.40% [15],[16],[17]  
Investment, Identifier [Axis]: Engage Debtco Limited, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[14] 5.75%    
Par / Units [11],[12],[14] $ 1,000,000    
Amortized Cost [11],[12],[14] 976,000    
Fair Value [11],[12],[14] $ 975,000    
Percentage of Net Assets [11],[12],[14] 0.00%    
Investment, Identifier [Axis]: Entertainment Benefits Group, LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 4.75% [11],[12],[35] 8.25% [15],[16]  
Interest, PIK [15],[16]   2.50%  
Par / Units $ 865,000 [11],[12],[35] $ 83,600,000 [15],[16],[44]  
Amortized Cost 856,000 [11],[12],[35] 82,795,000 [15],[16],[44]  
Fair Value $ 862,000 [11],[12],[35] $ 79,838,000 [15],[16],[44]  
Percentage of Net Assets 0.00% [11],[12],[35] 1.30% [15],[16],[44]  
Investment, Identifier [Axis]: Entertainment Benefits Group, LLC, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 4.75% [11],[12],[19],[33] 8.25% [15],[16],[20],[21]  
Interest, PIK [15],[16],[20],[21]   2.50%  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (1,000) [11],[12],[19],[33] (91,000) [15],[16],[20],[21]  
Fair Value $ 0 [11],[12],[19],[33] $ (504,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Evology LLC, Class B Units      
Schedule of Investments [Line Items]      
Units (in shares) [12],[23],[24] 451    
Amortized Cost [12],[23],[24] $ 2,160,000    
Fair Value [12],[23],[24] $ 2,160,000    
Percentage of Net Assets [12],[23],[24] 0.00%    
Investment, Identifier [Axis]: Evolution BuyerCo, Inc. (dba SIAA), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.25% [11],[12],[13] 6.25% [15],[16],[17]  
Par / Units $ 142,074,000 [11],[12],[13] $ 143,150,000 [15],[16],[17]  
Amortized Cost 140,376,000 [11],[12],[13] 141,253,000 [15],[16],[17]  
Fair Value $ 139,588,000 [11],[12],[13] $ 141,360,000 [15],[16],[17]  
Percentage of Net Assets 2.40% [11],[12],[13] 2.40% [15],[16],[17]  
Investment, Identifier [Axis]: Evolution BuyerCo, Inc. (dba SIAA), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 6.25% [11],[12],[19],[33] 6.25% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (116,000) [11],[12],[19],[33] (135,000) [15],[16],[20],[21]  
Fair Value $ (187,000) [11],[12],[19],[33] $ (134,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Evolution Parent, LP (dba SIAA), LP Interest      
Schedule of Investments [Line Items]      
Units (in shares) 42,838 [12],[23],[24] 42,838 [16],[26],[27]  
Amortized Cost $ 4,284,000 [12],[23],[24] $ 4,284,000 [16],[26],[27]  
Fair Value $ 4,284,000 [12],[23],[24] $ 4,284,000 [16],[26],[27]  
Percentage of Net Assets 0.10% [12],[23],[24] 0.10% [16],[26],[27]  
Investment, Identifier [Axis]: Ex Vivo Parent Inc. (dba OB Hospitalist), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[13] 9.50%    
Interest, PIK [15],[16],[17]   9.50%  
Par / Units $ 57,810,000 [11],[12],[13] $ 57,810,000 [15],[16],[17]  
Amortized Cost 56,773,000 [11],[12],[13] 56,685,000 [15],[16],[17]  
Fair Value $ 56,798,000 [11],[12],[13] $ 56,654,000 [15],[16],[17]  
Percentage of Net Assets 1.00% [11],[12],[13] 1.00% [15],[16],[17]  
Investment, Identifier [Axis]: FR Arsenal Holdings II Corp. (dba Applied-Cleveland Holdings, Inc.), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 9.50% [11],[28] 7.50% [15],[36]  
Interest, PIK [11],[28] 2.00%    
Par / Units $ 116,172,000 [11],[28] $ 118,253,000 [15],[36]  
Amortized Cost 116,299,000 [11],[28] 118,545,000 [15],[36]  
Fair Value $ 103,393,000 [11],[28] $ 112,932,000 [15],[36]  
Percentage of Net Assets 1.80% [11],[28] 1.90% [15],[36]  
Investment, Identifier [Axis]: Feradyne Outdoors, LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.25% [11],[12],[28] 6.25% [15],[16],[17]  
Par / Units $ 86,090,000 [11],[12],[28] $ 86,956,000 [15],[16],[17]  
Amortized Cost 85,955,000 [11],[12],[28] 86,671,000 [15],[16],[17]  
Fair Value $ 85,659,000 [11],[12],[28] $ 86,956,000 [15],[16],[17]  
Percentage of Net Assets 1.50% [11],[12],[28] 1.50% [15],[16],[17]  
Investment, Identifier [Axis]: Forescout Technologies, Inc., First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[33],[34] 8.00%    
Par / Units [11],[12],[19],[33],[34] $ 0    
Amortized Cost [11],[12],[19],[33],[34] (229,000)    
Fair Value [11],[12],[19],[33],[34] $ 0    
Percentage of Net Assets [11],[12],[19],[33],[34] 0.00%    
Investment, Identifier [Axis]: Forescout Technologies, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[13] 9.35%    
Interest, PIK 9.35% [11],[12],[13] 9.50% [15],[16],[17]  
Par / Units $ 101,328,000 [11],[12],[13] $ 54,811,000 [15],[16],[17]  
Amortized Cost 100,331,000 [11],[12],[13] 54,119,000 [15],[16],[17]  
Fair Value $ 101,328,000 [11],[12],[13] $ 54,811,000 [15],[16],[17]  
Percentage of Net Assets 1.70% [11],[12],[13] 0.90% [15],[16],[17]  
Investment, Identifier [Axis]: Forescout Technologies, Inc., First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 8.50% [11],[12],[19],[33] 8.50% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (54,000) [11],[12],[19],[33] (68,000) [15],[16],[20],[21]  
Fair Value $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest 5.50% [11],[12],[13],[19],[34] 5.50% [15],[16],[20],[21],[29]  
Par / Units $ 284,000 [11],[12],[13],[19],[34] $ 0 [15],[16],[20],[21],[29]  
Amortized Cost 277,000 [11],[12],[13],[19],[34] (13,000) [15],[16],[20],[21],[29]  
Fair Value $ 273,000 [11],[12],[13],[19],[34] $ (13,000) [15],[16],[20],[21],[29]  
Percentage of Net Assets 0.00% [11],[12],[13],[19],[34] 0.00% [15],[16],[20],[21],[29]  
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.50% [11],[12],[13] 5.50% [15],[16],[17]  
Par / Units $ 4,202,000 [11],[12],[13] $ 3,324,000 [15],[16],[17]  
Amortized Cost 4,127,000 [11],[12],[13] 3,259,000 [15],[16],[17]  
Fair Value $ 4,086,000 [11],[12],[13] $ 3,257,000 [15],[16],[17]  
Percentage of Net Assets 0.10% [11],[12],[13] 0.10% [15],[16],[17]  
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 5.50% [11],[12],[19],[36] 5.50% [15],[16],[20],[21]  
Par / Units $ 31,000 [11],[12],[19],[36] $ 0 [15],[16],[20],[21]  
Amortized Cost 23,000 [11],[12],[19],[36] (9,000) [15],[16],[20],[21]  
Fair Value $ 18,000 [11],[12],[19],[36] $ (9,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[36] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Foundation Consumer Brands, LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[13] 5.50%    
Par / Units [11],[12],[13] $ 3,529,000    
Amortized Cost [11],[12],[13] 3,529,000    
Fair Value [11],[12],[13] $ 3,511,000    
Percentage of Net Assets [11],[12],[13] 0.10%    
Investment, Identifier [Axis]: Fullsteam Operations, LLC, First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[13],[19],[34] 8.78%    
Interest, PIK [11],[12],[13],[19],[34] 5.78%    
Par / Units [11],[12],[13],[19],[34] $ 3,175,000    
Amortized Cost [11],[12],[13],[19],[34] 3,022,000    
Fair Value [11],[12],[13],[19],[34] $ 3,086,000    
Percentage of Net Assets [11],[12],[13],[19],[34] 0.10%    
Investment, Identifier [Axis]: GI Ranger Intermediate, LLC (dba Rectangle Health), First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[20],[21],[29]   6.00%  
Par / Units [15],[16],[20],[21],[29]   $ 0  
Amortized Cost [15],[16],[20],[21],[29]   (6,000)  
Fair Value [15],[16],[20],[21],[29]   $ (6,000)  
Percentage of Net Assets [15],[16],[20],[21],[29]   0.00%  
Investment, Identifier [Axis]: GI Ranger Intermediate, LLC (dba Rectangle Health), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.00% [11],[12],[30] 6.00% [15],[16],[17]  
Par / Units $ 4,597,000 [11],[12],[30] $ 4,017,000 [15],[16],[17]  
Amortized Cost 4,515,000 [11],[12],[30] 3,938,000 [15],[16],[17]  
Fair Value $ 4,481,000 [11],[12],[30] $ 3,937,000 [15],[16],[17]  
Percentage of Net Assets 0.10% [11],[12],[30] 0.10% [15],[16],[17]  
Investment, Identifier [Axis]: GI Ranger Intermediate, LLC (dba Rectangle Health), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 6.00% [11],[12],[19],[30] 6.00% [15],[16],[20],[21]  
Par / Units $ 37,000 [11],[12],[19],[30] $ 0 [15],[16],[20],[21]  
Amortized Cost 31,000 [11],[12],[19],[30] (7,000) [15],[16],[20],[21]  
Fair Value $ 28,000 [11],[12],[19],[30] $ (7,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[30] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Gainsight, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[13] 6.75%    
Interest, PIK 6.75% [11],[12],[13] 6.75% [15],[16],[17]  
Par / Units $ 20,705,000 [11],[12],[13] $ 19,547,000 [15],[16],[17]  
Amortized Cost 20,423,000 [11],[12],[13] 19,231,000 [15],[16],[17]  
Fair Value $ 20,290,000 [11],[12],[13] $ 19,254,000 [15],[16],[17]  
Percentage of Net Assets 0.30% [11],[12],[13] 0.30% [15],[16],[17]  
Investment, Identifier [Axis]: Gainsight, Inc., First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 6.25% [11],[12],[19],[33] 6.00% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (47,000) [11],[12],[19],[33] (55,000) [15],[16],[20],[21]  
Fair Value $ (67,000) [11],[12],[19],[33] $ (50,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Galls, LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.75% [11],[12],[13] 6.75% [15],[16],[17]  
Interest, PIK 0.50% [11],[12],[13] 0.50% [15],[16],[17]  
Par / Units $ 112,701,000 [11],[12],[13] $ 104,742,000 [15],[16],[17]  
Amortized Cost 112,006,000 [11],[12],[13] 103,983,000 [15],[16],[17]  
Fair Value $ 109,320,000 [11],[12],[13] $ 98,458,000 [15],[16],[17]  
Percentage of Net Assets 1.90% [11],[12],[13] 1.70% [15],[16],[17]  
Investment, Identifier [Axis]: Galls, LLC, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 6.75% [11],[12],[13],[19] 6.75% [15],[16],[17],[20]  
Par / Units $ 18,238,000 [11],[12],[13],[19] $ 11,943,000 [15],[16],[17],[20]  
Amortized Cost 18,010,000 [11],[12],[13],[19] 11,624,000 [15],[16],[17],[20]  
Fair Value $ 17,265,000 [11],[12],[13],[19] $ 9,999,000 [15],[16],[17],[20]  
Percentage of Net Assets 0.30% [11],[12],[13],[19] 0.20% [15],[16],[17],[20]  
Investment, Identifier [Axis]: Gaylord Chemical Company, L.L.C., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.50% [11],[12],[13] 6.50% [15],[16],[17]  
Par / Units $ 151,491,000 [11],[12],[13] $ 152,645,000 [15],[16],[17]  
Amortized Cost 150,293,000 [11],[12],[13] 151,277,000 [15],[16],[17]  
Fair Value $ 151,113,000 [11],[12],[13] $ 151,882,000 [15],[16],[17]  
Percentage of Net Assets 2.60% [11],[12],[13] 2.60% [15],[16],[17]  
Investment, Identifier [Axis]: Gaylord Chemical Company, L.L.C., First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 6.50% [11],[12],[19],[33] 6.50% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (92,000) [11],[12],[19],[33] (112,000) [15],[16],[20],[21]  
Fair Value $ (33,000) [11],[12],[19],[33] $ (66,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Genesis Acquisition Co. (dba Procare Software), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 3.75% [11],[12],[36] 4.00% [15],[16],[17]  
Par / Units $ 17,988,000 [11],[12],[36] $ 18,129,000 [15],[16],[17]  
Amortized Cost 17,868,000 [11],[12],[36] 17,961,000 [15],[16],[17]  
Fair Value $ 17,494,000 [11],[12],[36] $ 17,630,000 [15],[16],[17]  
Percentage of Net Assets 0.30% [11],[12],[36] 0.30% [15],[16],[17]  
Investment, Identifier [Axis]: Genesis Acquisition Co. (dba Procare Software), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 3.75% [11],[12],[36] 4.00% [15],[16],[17]  
Par / Units $ 2,637,000 [11],[12],[36] $ 2,637,000 [15],[16],[17]  
Amortized Cost 2,621,000 [11],[12],[36] 2,614,000 [15],[16],[17]  
Fair Value $ 2,564,000 [11],[12],[36] $ 2,564,000 [15],[16],[17]  
Percentage of Net Assets 0.00% [11],[12],[36] 0.00% [15],[16],[17]  
Investment, Identifier [Axis]: Gerson Lehrman Group, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [36] 5.25% [11],[12] 5.25% [15],[16]  
Par / Units [36] $ 121,939,000 [11],[12] $ 151,895,000 [15],[16]  
Amortized Cost [36] 121,446,000 [11],[12] 151,062,000 [15],[16]  
Fair Value [36] $ 121,939,000 [11],[12] $ 151,895,000 [15],[16]  
Percentage of Net Assets [36] 2.10% [11],[12] 2.60% [15],[16]  
Investment, Identifier [Axis]: Gerson Lehrman Group, Inc., First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 5.25% [11],[12],[19],[33] 5.25% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (79,000) [11],[12],[19],[33] (105,000) [15],[16],[20],[21]  
Fair Value $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Global Music Rights, LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.50% [11],[12],[13] 5.75% [15],[16]  
Par / Units $ 7,444,000 [11],[12],[13] $ 7,500,000 [15],[16],[17]  
Amortized Cost 7,314,000 [11],[12],[13] 7,356,000 [15],[16],[17]  
Fair Value $ 7,407,000 [11],[12],[13] $ 7,350,000 [15],[16],[17]  
Percentage of Net Assets 0.10% [11],[12],[13] 0.10% [15],[16],[17]  
Investment, Identifier [Axis]: Global Music Rights, LLC, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 5.50% [11],[12],[19],[33] 5.75% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (11,000) [11],[12],[19],[33] (13,000) [15],[16],[20],[21]  
Fair Value $ (3,000) [11],[12],[19],[33] $ (13,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Gloves Buyer, Inc. (dba Protective Industrial Products), Second lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 8.25% [11],[12],[28] 8.25% [15],[16],[25]  
Par / Units $ 29,250,000 [11],[12],[28] $ 29,250,000 [15],[16],[25]  
Amortized Cost 28,636,000 [11],[12],[28] 28,584,000 [15],[16],[25]  
Fair Value $ 28,811,000 [11],[12],[28] $ 28,884,000 [15],[16],[25]  
Percentage of Net Assets 0.50% [11],[12],[28] 0.50% [15],[16],[25]  
Investment, Identifier [Axis]: Gloves Holdings, LP (dba Protective Industrial Products), LP Interest      
Schedule of Investments [Line Items]      
Units (in shares) [12],[23],[24] 32,500    
Amortized Cost [12],[23],[24] $ 3,250,000    
Fair Value [12],[23],[24] $ 3,478,000    
Percentage of Net Assets [12],[23],[24] 0.10%    
Investment, Identifier [Axis]: Gloves Holdings, LP (dba Protective Industrial Products), LP Interest      
Schedule of Investments [Line Items]      
Units (in shares) [16],[26],[27]   3,250  
Amortized Cost [16],[26],[27]   $ 3,250,000  
Fair Value [16],[26],[27]   $ 3,640,000  
Percentage of Net Assets [16],[26],[27]   0.10%  
Investment, Identifier [Axis]: GovBrands Intermediate, Inc., First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest 5.50% [11],[12],[13],[19],[34] 5.50% [15],[16],[20],[25],[29]  
Par / Units $ 2,380,000 [11],[12],[13],[19],[34] $ 2,404,000 [15],[16],[20],[25],[29]  
Amortized Cost 2,319,000 [11],[12],[13],[19],[34] 2,333,000 [15],[16],[20],[25],[29]  
Fair Value $ 2,263,000 [11],[12],[13],[19],[34] $ 2,330,000 [15],[16],[20],[25],[29]  
Percentage of Net Assets 0.00% [11],[12],[13],[19],[34] 0.00% [15],[16],[20],[25],[29]  
Investment, Identifier [Axis]: GovBrands Intermediate, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.50% [11],[12],[13] 5.50% [15],[16],[17]  
Par / Units $ 10,578,000 [11],[12],[13] $ 10,658,000 [15],[16],[17]  
Amortized Cost 10,356,000 [11],[12],[13] 10,407,000 [15],[16],[17]  
Fair Value $ 10,181,000 [11],[12],[13] $ 10,392,000 [15],[16],[17]  
Percentage of Net Assets 0.20% [11],[12],[13] 0.20% [15],[16],[17]  
Investment, Identifier [Axis]: GovBrands Intermediate, Inc., First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 5.50% [11],[12],[13],[19] 5.50% [15],[16],[20],[21]  
Par / Units $ 220,000 [11],[12],[13],[19] $ 0 [15],[16],[20],[21]  
Amortized Cost 204,000 [11],[12],[13],[19] (18,000) [15],[16],[20],[21]  
Fair Value $ 191,000 [11],[12],[13],[19] $ (20,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[13],[19] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Granicus, Inc. First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[33] 6.50%    
Par / Units [11],[12],[19],[33] $ 0    
Amortized Cost [11],[12],[19],[33] (21,000)    
Fair Value [11],[12],[19],[33] $ (30,000)    
Percentage of Net Assets [11],[12],[19],[33] 0.00%    
Investment, Identifier [Axis]: Granicus, Inc., First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest 6.50% [11],[12],[13],[19],[34] 6.50% [15],[16],[17],[20],[29]  
Par / Units $ 1,524,000 [11],[12],[13],[19],[34] $ 1,535,000 [15],[16],[17],[29]  
Amortized Cost 1,492,000 [11],[12],[13],[19],[34] 1,498,000 [15],[16],[17],[29]  
Fair Value $ 1,470,000 [11],[12],[13],[19],[34] $ 1,501,000 [15],[16],[17],[29]  
Percentage of Net Assets 0.00% [11],[12],[13],[19],[34] 0.00% [15],[16],[17],[29]  
Investment, Identifier [Axis]: Granicus, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.50% [11],[12],[36] 6.50% [15],[16],[17]  
Par / Units $ 13,394,000 [11],[12],[36] $ 13,495,000 [15],[16],[17]  
Amortized Cost 13,146,000 [11],[12],[36] 13,211,000 [15],[16],[17]  
Fair Value $ 13,059,000 [11],[12],[36] $ 13,259,000 [15],[16],[17]  
Percentage of Net Assets 0.20% [11],[12],[36] 0.20% [15],[16],[17]  
Investment, Identifier [Axis]: Granicus, Inc., First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[20],[29]   6.50%  
Par / Units [15],[16],[20],[21]   $ 0  
Amortized Cost [15],[16],[20],[21]   (24,000)  
Fair Value [15],[16],[20],[21]   $ (21,000)  
Percentage of Net Assets [15],[16],[20],[21]   0.00%  
Investment, Identifier [Axis]: GrowthCurve Capital Sunrise Co-Invest LP (dba Brightway), LP Interest      
Schedule of Investments [Line Items]      
Units (in shares) [12],[23],[24] 638    
Amortized Cost [12],[23],[24] $ 638,000    
Fair Value [12],[23],[24] $ 632,000    
Percentage of Net Assets [12],[23],[24] 0.00%    
Investment, Identifier [Axis]: GrowthCurve Capital Sunrise Co-Invest LP, LP Interest      
Schedule of Investments [Line Items]      
Units (in shares) [16],[26],[27]   632  
Amortized Cost [16],[26],[27]   $ 633,000  
Fair Value [16],[26],[27]   $ 632,000  
Percentage of Net Assets [16],[26],[27]   0.00%  
Investment, Identifier [Axis]: Guidehouse Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.50% [11],[12],[28] 5.50% [15],[16],[25]  
Par / Units $ 4,614,000 [11],[12],[28] $ 4,649,000 [15],[16],[25]  
Amortized Cost 4,573,000 [11],[12],[28] 4,604,000 [15],[16],[25]  
Fair Value $ 4,568,000 [11],[12],[28] $ 4,603,000 [15],[16],[25]  
Percentage of Net Assets 0.10% [11],[12],[28] 0.10% [15],[16],[25]  
Investment, Identifier [Axis]: Guidehouse Inc., First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[20]   5.50%  
Par / Units [15],[16],[20]   $ 0  
Amortized Cost [15],[16],[20]   0  
Fair Value [15],[16],[20]   $ (4,000)  
Percentage of Net Assets [15],[16],[20]   0.00%  
Investment, Identifier [Axis]: H&F Opportunities LUX III S.À R.L (dba Checkmarx), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 7.50% [11],[12],[14],[28] 7.50% [15],[16],[17],[18],[36]  
Par / Units $ 51,567,000 [11],[12],[14],[28] $ 51,567,000 [15],[16],[18],[36]  
Amortized Cost 50,562,000 [11],[12],[14],[28] 50,388,000 [15],[16],[18],[36]  
Fair Value $ 51,567,000 [11],[12],[14],[28] $ 51,567,000 [15],[16],[18],[36]  
Percentage of Net Assets 0.90% [11],[12],[14],[28] 0.90% [15],[16],[18],[36]  
Investment, Identifier [Axis]: H&F Opportunities LUX III S.À R.L (dba Checkmarx), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 7.50% [11],[12],[14],[19],[33] 7.50% [15],[16],[18],[20],[21]  
Par / Units $ 0 [11],[12],[14],[19],[33] $ 0 [15],[16],[18],[20],[21]  
Amortized Cost (287,000) [11],[12],[14],[19],[33] (348,000) [15],[16],[18],[20],[21]  
Fair Value $ 0 [11],[12],[14],[19],[33] $ 0 [15],[16],[18],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[14],[19],[33] 0.00% [15],[16],[18],[20],[21]  
Investment, Identifier [Axis]: H-Food Holdings, LLC, LLC Interest      
Schedule of Investments [Line Items]      
Units (in shares) 10,875 [12],[23],[24] 10,875 [16],[26],[27]  
Amortized Cost $ 10,875,000 [12],[23],[24] $ 10,875,000 [16],[26],[27]  
Fair Value $ 11,318,000 [12],[23],[24] $ 13,633,000 [16],[26],[27]  
Percentage of Net Assets 0.20% [12],[23],[24] 0.20% [16],[26],[27]  
Investment, Identifier [Axis]: H-Food Holdings, LLC, Second lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 7.00% [11],[12],[28] 7.00% [15],[16],[25]  
Par / Units $ 121,800,000 [11],[12],[28] $ 121,800,000 [15],[16],[25]  
Amortized Cost 120,215,000 [11],[12],[28] 119,919,000 [15],[16],[25]  
Fair Value $ 96,222,000 [11],[12],[28] $ 121,800,000 [15],[16],[25]  
Percentage of Net Assets 1.60% [11],[12],[28] 2.10% [15],[16],[25]  
Investment, Identifier [Axis]: HGH Purchaser, Inc. (dba Horizon Services), First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest 6.00% [11],[12],[13],[19] 5.75% [15],[16],[20],[29],[44]  
Par / Units $ 29,799,000 [11],[12],[13],[19] $ 33,699,000 [15],[16],[20],[29],[44]  
Amortized Cost 29,579,000 [11],[12],[13],[19] 33,376,000 [15],[16],[20],[29],[44]  
Fair Value $ 29,256,000 [11],[12],[13],[19] $ 33,429,000 [15],[16],[20],[29],[44]  
Percentage of Net Assets 0.50% [11],[12],[13],[19] 0.60% [15],[16],[20],[29],[44]  
Investment, Identifier [Axis]: HGH Purchaser, Inc. (dba Horizon Services), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.00% [11],[12],[13] 5.75% [15],[16],[17]  
Par / Units $ 147,498,000 [11],[12],[13] $ 108,230,000 [15],[16],[17]  
Amortized Cost 146,144,000 [11],[12],[13] 106,916,000 [15],[16],[17]  
Fair Value $ 145,285,000 [11],[12],[13] $ 107,418,000 [15],[16],[17]  
Percentage of Net Assets 2.50% [11],[12],[13] 1.80% [15],[16],[17]  
Investment, Identifier [Axis]: HGH Purchaser, Inc. (dba Horizon Services), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 6.00% [11],[12],[13],[19] 5.75% [15],[16],[17],[20]  
Par / Units $ 10,028,000 [11],[12],[13],[19] $ 2,689,000 [15],[16],[17],[20]  
Amortized Cost 9,895,000 [11],[12],[13],[19] 2,596,000 [15],[16],[17],[20]  
Fair Value $ 9,780,000 [11],[12],[13],[19] $ 2,616,000 [15],[16],[17],[20]  
Percentage of Net Assets 0.20% [11],[12],[13],[19] 0.00% [15],[16],[17],[20]  
Investment, Identifier [Axis]: Hercules Borrower, LLC (dba The Vincit Group), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[36] 6.50%    
Par / Units [11],[12],[36] $ 177,343,000    
Amortized Cost [11],[12],[36] 175,353,000    
Fair Value [11],[12],[36] $ 176,897,000    
Percentage of Net Assets [11],[12],[36] 3.00%    
Investment, Identifier [Axis]: Hercules Borrower, LLC (dba The Vincit Group), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[36] 6.50%    
Par / Units [11],[12],[19],[36] $ 2,231,000    
Amortized Cost [11],[12],[19],[36] 2,011,000    
Fair Value [11],[12],[19],[36] $ 2,179,000    
Percentage of Net Assets [11],[12],[19],[36] 0.00%    
Investment, Identifier [Axis]: Hercules Buyer, LLC (dba The Vincit Group), Common Units      
Schedule of Investments [Line Items]      
Units (in shares) 2,190,000 [12],[23],[24],[51] 2,190,000 [16],[26],[27],[52]  
Amortized Cost $ 2,192,000 [12],[23],[24],[51] $ 2,192,000 [16],[26],[27],[52]  
Fair Value $ 2,192,000 [12],[23],[24],[51] $ 2,192,000 [16],[26],[27],[52]  
Percentage of Net Assets 0.00% [12],[23],[24],[51] 0.00% [16],[26],[27],[52]  
Investment, Identifier [Axis]: Hercules Buyer, LLC (dba The Vincit Group), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[17]   6.50%  
Par / Units [15],[16],[17]   $ 178,693,000  
Amortized Cost [15],[16],[17]   176,397,000  
Fair Value [15],[16],[17]   $ 178,693,000  
Percentage of Net Assets [15],[16],[17]   3.00%  
Investment, Identifier [Axis]: Hercules Buyer, LLC (dba The Vincit Group), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[20],[21]   6.50%  
Par / Units [15],[16],[20],[21]   $ 0  
Amortized Cost [15],[16],[20],[21]   (259,000)  
Fair Value [15],[16],[20],[21]   $ 0  
Percentage of Net Assets [15],[16],[20],[21]   0.00%  
Investment, Identifier [Axis]: Hercules Buyer, LLC (dba The Vincit Group), Unsecured notes      
Schedule of Investments [Line Items]      
Interest [12],[21],[51] 0.48%    
Interest, PIK 0.48% [12],[21],[51] 0.48% [16],[38],[52]  
Par / Units $ 5,135,000 [12],[37],[51] $ 5,135,000 [16],[38],[52]  
Amortized Cost 5,135,000 [12],[37],[51] 5,135,000 [16],[38],[52]  
Fair Value $ 5,135,000 [12],[37],[51] $ 5,135,000 [16],[38],[52]  
Percentage of Net Assets 0.10% [12],[37],[51] 0.10% [16],[38],[52]  
Investment, Identifier [Axis]: Hg Genesis 8 Sumoco Limited, Unsecured facility      
Schedule of Investments [Line Items]      
Interest [11],[12],[14],[37] 7.50%    
Interest, PIK 7.50% [11],[12],[14],[37] 7.50% [15],[16],[18],[40]  
Par / Units $ 40,371,000 [11],[12],[14],[37] $ 47,207,000 [15],[16],[18],[40]  
Amortized Cost 47,833,000 [11],[12],[14],[37] 46,102,000 [15],[16],[18],[40]  
Fair Value $ 40,371,000 [11],[12],[14],[37] $ 47,207,000 [15],[16],[18],[40]  
Percentage of Net Assets 0.70% [11],[12],[14],[37] 0.80% [15],[16],[18],[40]  
Investment, Identifier [Axis]: Hg Genesis 9 SumoCo Limited, Unsecured facility      
Schedule of Investments [Line Items]      
Interest [11],[12],[14],[53] 7.00%    
Interest, PIK [11],[12],[14],[53] 7.00%    
Par / Units [11],[12],[14],[53] $ 42,227,000    
Amortized Cost [11],[12],[14],[53] 47,224,000    
Fair Value [11],[12],[14],[53] $ 42,227,000    
Percentage of Net Assets [11],[12],[14],[53] 0.70%    
Investment, Identifier [Axis]: Hg Saturn Luchaco Limited, Unsecured facility      
Schedule of Investments [Line Items]      
Interest [11],[14],[37] 7.50%    
Interest, PIK 7.50% [11],[14],[37] 7.50% [15],[16],[18],[40]  
Par / Units $ 119,844,000 [11],[12],[14],[37] $ 133,862,000 [15],[16],[18],[40]  
Amortized Cost 145,982,000 [11],[12],[14],[37] 135,510,000 [15],[16],[18],[40]  
Fair Value $ 118,346,000 [11],[12],[14],[37] $ 132,523,000 [15],[16],[18],[40]  
Percentage of Net Assets 2.00% [11],[12],[14],[37] 2.20% [15],[16],[18],[40]  
Investment, Identifier [Axis]: Hissho Sushi Holdings, LLC, Class A units      
Schedule of Investments [Line Items]      
Units (in shares) [12],[23],[24] 7,502    
Amortized Cost [12],[23],[24] $ 75,000    
Fair Value [12],[23],[24] $ 75,000    
Percentage of Net Assets [12],[23],[24] 0.00%    
Investment, Identifier [Axis]: Hissho Sushi Merger Sub LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[30] 6.00%    
Par / Units [11],[12],[30] $ 903,000    
Amortized Cost [11],[12],[30] 895,000    
Fair Value [11],[12],[30] $ 901,000    
Percentage of Net Assets [11],[12],[30] 0.00%    
Investment, Identifier [Axis]: Hissho Sushi Merger Sub LLC, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[30] 6.00%    
Par / Units [11],[12],[19],[30] $ 5,000    
Amortized Cost [11],[12],[19],[30] 4,000    
Fair Value [11],[12],[19],[30] $ 4,000    
Percentage of Net Assets [11],[12],[19],[30] 0.00%    
Investment, Identifier [Axis]: Hometown Food Company, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.00% [11],[12],[28] 5.00% [15],[16],[25]  
Par / Units $ 14,560,000 [11],[12],[28] $ 15,947,000 [15],[16],[25]  
Amortized Cost 14,500,000 [11],[12],[28] 15,830,000 [15],[16],[25]  
Fair Value $ 14,487,000 [11],[12],[28] $ 15,787,000 [15],[16],[25]  
Percentage of Net Assets 0.20% [11],[12],[28] 0.30% [15],[16],[25]  
Investment, Identifier [Axis]: Hometown Food Company, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 5.00% [11],[12],[19],[28] 5.00% [15],[16],[20],[21]  
Par / Units $ 706,000 [11],[12],[19],[28] $ 0 [15],[16],[20],[21]  
Amortized Cost 690,000 [11],[12],[19],[28] (28,000) [15],[16],[20],[21]  
Fair Value $ 685,000 [11],[12],[19],[28] $ (42,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[28] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Hyland Software, Inc., Second lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.25% [11],[12],[28] 6.25% [15],[16],[25]  
Par / Units $ 15,482,000 [11],[12],[28] $ 15,482,000 [15],[16],[25]  
Amortized Cost 15,471,000 [11],[12],[28] 15,468,000 [15],[16],[25]  
Fair Value $ 15,172,000 [11],[12],[28] $ 15,579,000 [15],[16],[25]  
Percentage of Net Assets 0.30% [11],[12],[28] 0.30% [15],[16],[25]  
Investment, Identifier [Axis]: IG Investments Holdings, LLC (dba Insight Global), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.00% [11],[12],[13] 6.00% [15],[16],[17]  
Par / Units $ 50,516,000 [11],[12],[13] $ 50,898,000 [15],[16],[17]  
Amortized Cost 49,621,000 [11],[12],[13] 49,915,000 [15],[16],[17]  
Fair Value $ 49,632,000 [11],[12],[13] $ 50,008,000 [15],[16],[17]  
Percentage of Net Assets 0.80% [11],[12],[13] 0.80% [15],[16],[17]  
Investment, Identifier [Axis]: IG Investments Holdings, LLC (dba Insight Global), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 6.00% [11],[12],[19],[33] 6.00% [15],[16],[17],[20]  
Par / Units $ 0 [11],[12],[19],[33] $ 1,987,000 [15],[16],[17],[20]  
Amortized Cost (66,000) [11],[12],[19],[33] 1,911,000 [15],[16],[17],[20]  
Fair Value $ (70,000) [11],[12],[19],[33] $ 1,917,000 [15],[16],[17],[20]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[17],[20]  
Investment, Identifier [Axis]: IQN Holding Corp. (dba Beeline), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[36]   5.50%  
Par / Units [15],[16],[36]   $ 150,639,000  
Amortized Cost [15],[16],[36]   149,528,000  
Fair Value [15],[16],[36]   $ 150,639,000  
Percentage of Net Assets [15],[16],[36]   2.50%  
Investment, Identifier [Axis]: IQN Holding Corp. (dba Beeline), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[20],[21]   5.50%  
Par / Units [15],[16],[20],[21]   $ 0  
Amortized Cost [15],[16],[20],[21]   (111,000)  
Fair Value [15],[16],[20],[21]   $ 0  
Percentage of Net Assets [15],[16],[20],[21]   0.00%  
Investment, Identifier [Axis]: Ideal Image Development, LLC, First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[33],[34] 6.50%    
Par / Units [11],[12],[19],[33],[34] $ 0    
Amortized Cost [11],[12],[19],[33],[34] (7,000)    
Fair Value [11],[12],[19],[33],[34] $ (7,000)    
Percentage of Net Assets [11],[12],[19],[33],[34] 0.00%    
Investment, Identifier [Axis]: Ideal Image Development, LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[35] 6.50%    
Par / Units [11],[12],[35] $ 11,707,000    
Amortized Cost [11],[12],[35] 11,476,000    
Fair Value [11],[12],[35] $ 11,473,000    
Percentage of Net Assets [11],[12],[35] 0.20%    
Investment, Identifier [Axis]: Ideal Image Development, LLC, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[33] 6.50%    
Par / Units [11],[12],[19],[33] $ 0    
Amortized Cost [11],[12],[19],[33] (36,000)    
Fair Value [11],[12],[19],[33] $ (37,000)    
Percentage of Net Assets [11],[12],[19],[33] 0.00%    
Investment, Identifier [Axis]: Ideal Tridon Holdings, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.25% [11],[12],[13] 5.25% [15],[16],[17]  
Par / Units $ 52,699,000 [11],[12],[13] $ 53,209,000 [15],[16],[17]  
Amortized Cost 52,410,000 [11],[12],[13] 52,784,000 [15],[16],[17]  
Fair Value $ 52,699,000 [11],[12],[13] $ 53,209,000 [15],[16],[17]  
Percentage of Net Assets 0.90% [11],[12],[13] 0.90% [15],[16],[17]  
Investment, Identifier [Axis]: Ideal Tridon Holdings, Inc., First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 5.25% [11],[12],[19] 5.25% [15],[16],[20],[25]  
Par / Units $ 0 [11],[12],[19] $ 1,800,000 [15],[16],[20],[25]  
Amortized Cost 0 [11],[12],[19] 1,782,000 [15],[16],[20],[25]  
Fair Value $ 0 [11],[12],[19] $ 1,800,000 [15],[16],[20],[25]  
Percentage of Net Assets 0.00% [11],[12],[19] 0.00% [15],[16],[20],[25]  
Investment, Identifier [Axis]: Imperial Parking Canada, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[54]   6.00%  
Interest, PIK [15],[16],[54]   1.25%  
Par / Units [15],[16],[54]   $ 27,966,000  
Amortized Cost [15],[16],[54]   26,705,000  
Fair Value [15],[16],[54]   $ 26,707,000  
Percentage of Net Assets [15],[16],[54]   0.40%  
Investment, Identifier [Axis]: Imprivata, Inc., Second lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[35] 6.25%    
Par / Units [11],[12],[35] $ 882,000    
Amortized Cost [11],[12],[35] 874,000    
Fair Value [11],[12],[35] $ 867,000    
Percentage of Net Assets [11],[12],[35] 0.00%    
Investment, Identifier [Axis]: Indigo Buyer, Inc. (dba Inovar Packaging Group), First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[34] 5.75%    
Par / Units [11],[12],[19],[34] $ 0    
Amortized Cost [11],[12],[19],[34] 0    
Fair Value [11],[12],[19],[34] $ 0    
Percentage of Net Assets [11],[12],[19],[34] 0.00%    
Investment, Identifier [Axis]: Indigo Buyer, Inc. (dba Inovar Packaging Group), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[30] 5.75%    
Par / Units [11],[12],[30] $ 648,000    
Amortized Cost [11],[12],[30] 642,000    
Fair Value [11],[12],[30] $ 647,000    
Percentage of Net Assets [11],[12],[30] 0.00%    
Investment, Identifier [Axis]: Indigo Buyer, Inc. (dba Inovar Packaging Group), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[30] 5.75%    
Par / Units [11],[12],[19],[30] $ 17,000    
Amortized Cost [11],[12],[19],[30] 16,000    
Fair Value [11],[12],[19],[30] $ 16,000    
Percentage of Net Assets [11],[12],[19],[30] 0.00%    
Investment, Identifier [Axis]: Individual Foodservice Holdings, LLC, First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[20],[29],[36]   6.25%  
Par / Units [15],[16],[20],[29],[36]   $ 28,084,000  
Amortized Cost [15],[16],[20],[29],[36]   27,594,000  
Fair Value [15],[16],[20],[29],[36]   $ 27,909,000  
Percentage of Net Assets [15],[16],[20],[29],[36]   0.50%  
Investment, Identifier [Axis]: Individual Foodservice Holdings, LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[17]   6.25%  
Par / Units [15],[16],[17]   $ 140,861,000  
Amortized Cost [15],[16],[17]   138,813,000  
Fair Value [15],[16],[17]   $ 140,156,000  
Percentage of Net Assets [15],[16],[17]   2.40%  
Investment, Identifier [Axis]: Individual Foodservice Holdings, LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[13] 6.25%    
Par / Units [11],[12],[13] $ 133,780,000    
Amortized Cost [11],[12],[13] 132,216,000    
Fair Value [11],[12],[13] $ 133,110,000    
Percentage of Net Assets [11],[12],[13] 2.30%    
Investment, Identifier [Axis]: Individual Foodservice Holdings, LLC, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 6.25% [11],[12],[19],[33] 6.25% [15],[16],[20],[25]  
Par / Units $ 0 [11],[12],[19],[33] $ 959,000 [15],[16],[20],[25]  
Amortized Cost (199,000) [11],[12],[19],[33] 690,000 [15],[16],[20],[25]  
Fair Value $ (108,000) [11],[12],[19],[33] $ 851,000 [15],[16],[20],[25]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[25]  
Investment, Identifier [Axis]: Innovation Ventures HoldCo, LLC (dba 5 Hour Energy), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[35] 6.25%    
Par / Units [11],[12],[35] $ 125,000,000    
Amortized Cost [11],[12],[35] 122,838,000    
Fair Value [11],[12],[35] $ 121,564,000    
Percentage of Net Assets [11],[12],[35] 2.10%    
Investment, Identifier [Axis]: Inovalon Holdings, Inc, Second lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[13] 10.50%    
Interest, PIK [11],[12],[13] 10.50%    
Par / Units [11],[12],[13] $ 92,349,000    
Amortized Cost [11],[12],[13] 90,715,000    
Fair Value [11],[12],[13] $ 90,502,000    
Percentage of Net Assets [11],[12],[13] 1.50%    
Investment, Identifier [Axis]: Inovalon Holdings, Inc., First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest 3.50% [11],[12],[19],[33],[34] 5.75% [15],[16],[20],[21],[29]  
Par / Units $ 0 [11],[12],[19],[33],[34] $ 0 [15],[16],[20],[21],[29]  
Amortized Cost (208,000) [11],[12],[19],[33],[34] (234,000) [15],[16],[20],[21],[29]  
Fair Value $ (332,000) [11],[12],[19],[33],[34] $ (237,000) [15],[16],[20],[21],[29]  
Percentage of Net Assets 0.00% [11],[12],[19],[33],[34] 0.00% [15],[16],[20],[21],[29]  
Investment, Identifier [Axis]: Inovalon Holdings, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.25% [11],[12],[13] 5.75% [15],[16],[17]  
Interest, PIK [11],[12],[13] 2.75%    
Par / Units $ 181,462,000 [11],[12],[13] $ 177,727,000 [15],[16],[17]  
Amortized Cost 177,469,000 [11],[12],[13] 173,336,000 [15],[16],[17]  
Fair Value $ 176,018,000 [11],[12],[13] $ 173,283,000 [15],[16],[17]  
Percentage of Net Assets 3.00% [11],[12],[13] 2.90% [15],[16],[17]  
Investment, Identifier [Axis]: Inovalon Holdings, Inc., Second lien senior secured loan      
Schedule of Investments [Line Items]      
Interest, PIK [15],[16],[17]   10.50%  
Par / Units [15],[16],[17]   $ 84,661,000  
Amortized Cost [15],[16],[17]   82,975,000  
Fair Value [15],[16],[17]   $ 82,967,000  
Percentage of Net Assets [15],[16],[17]   1.40%  
Investment, Identifier [Axis]: Insight CP (Blocker) Holdings, L.P. (dba CivicPlus, LLC), LP Interest      
Schedule of Investments [Line Items]      
Units (in shares) [12],[14],[23],[24] 1,230    
Amortized Cost [12],[14],[23],[24] $ 1,230,000    
Fair Value [12],[14],[23],[24] $ 1,230,000    
Percentage of Net Assets [12],[14],[23],[24] 0.00%    
Investment, Identifier [Axis]: Integrity Marketing Acquisition, LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [36] 5.75% [11],[12] 5.75% [15],[16]  
Par / Units [36] $ 217,201,000 [11],[12] $ 218,876,000 [15],[16]  
Amortized Cost [36] 215,258,000 [11],[12] 216,446,000 [15],[16]  
Fair Value [36] $ 216,658,000 [11],[12] $ 218,876,000 [15],[16]  
Percentage of Net Assets [36] 3.70% [11],[12] 3.70% [15],[16]  
Investment, Identifier [Axis]: Integrity Marketing Acquisition, LLC, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 5.75% [11],[12],[19],[33] 5.75% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (108,000) [11],[12],[19],[33] (135,000) [15],[16],[20],[21]  
Fair Value $ (37,000) [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Intelerad Medical Systems Incorporated (fka 11849573 Canada Inc.), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.50% [11],[12],[14],[30] 6.25% [15],[16],[17],[18]  
Par / Units $ 118,090,000 [11],[12],[14],[30] $ 115,684,000 [15],[16],[17],[18]  
Amortized Cost 117,029,000 [11],[12],[14],[30] 114,517,000 [15],[16],[17],[18]  
Fair Value $ 117,499,000 [11],[12],[14],[30] $ 115,395,000 [15],[16],[17],[18]  
Percentage of Net Assets 2.00% [11],[12],[14],[30] 1.90% [15],[16],[17],[18]  
Investment, Identifier [Axis]: Intelerad Medical Systems Incorporated (fka 11849573 Canada Inc.), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 6.50% [11],[12],[14],[19],[30] 6.25% [15],[16],[17],[18],[20]  
Par / Units $ 2,983,000 [11],[12],[14],[19],[30] $ 2,983,000 [15],[16],[17],[18],[20]  
Amortized Cost 2,950,000 [11],[12],[14],[19],[30] 2,944,000 [15],[16],[17],[18],[20]  
Fair Value $ 2,960,000 [11],[12],[14],[19],[30] $ 2,972,000 [15],[16],[17],[18],[20]  
Percentage of Net Assets 0.10% [11],[12],[14],[19],[30] 0.10% [15],[16],[17],[18],[20]  
Investment, Identifier [Axis]: Interoperability Bidco, Inc. (dba Lyniate), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[30] 7.00%    
Par / Units [11],[12],[30] $ 66,622,000    
Amortized Cost [11],[12],[30] 66,236,000    
Fair Value [11],[12],[30] $ 65,956,000    
Percentage of Net Assets [11],[12],[30] 1.10%    
Investment, Identifier [Axis]: Interoperability Bidco, Inc. (dba Lyniate), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[33] 7.00%    
Par / Units [11],[12],[19],[33] $ 0    
Amortized Cost [11],[12],[19],[33] (15,000)    
Fair Value [11],[12],[19],[33] $ (30,000)    
Percentage of Net Assets [11],[12],[19],[33] 0.00%    
Investment, Identifier [Axis]: Interoperability Bidco, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[36]   5.75%  
Par / Units [15],[16],[36]   $ 75,270,000  
Amortized Cost [15],[16],[36]   74,616,000  
Fair Value [15],[16],[36]   $ 75,270,000  
Percentage of Net Assets [15],[16],[36]   1.30%  
Investment, Identifier [Axis]: Interoperability Bidco, Inc., First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[20],[21]   5.75%  
Par / Units [15],[16],[20],[21]   $ 0  
Amortized Cost [15],[16],[20],[21]   (25,000)  
Fair Value [15],[16],[20],[21]   $ 0  
Percentage of Net Assets [15],[16],[20],[21]   0.00%  
Investment, Identifier [Axis]: KOBHG Holdings, L.P. (dba OB Hospitalist), Class A Interests      
Schedule of Investments [Line Items]      
Units (in shares) 6,670 [12],[23],[24] 6,670 [16],[26],[27]  
Amortized Cost $ 6,670,000 [12],[23],[24] $ 6,670,000 [16],[26],[27]  
Fair Value $ 6,445,000 [12],[23],[24] $ 6,670,000 [16],[26],[27]  
Percentage of Net Assets 0.10% [12],[23],[24] 0.10% [16],[26],[27]  
Investment, Identifier [Axis]: KPCI Holdings, LP, Class A Units      
Schedule of Investments [Line Items]      
Units (in shares) 30,425 [12],[23],[24] 30,425 [16],[26],[27]  
Amortized Cost $ 32,285,000 [12],[23],[24] $ 32,285,000 [16],[26],[27]  
Fair Value $ 32,111,000 [12],[23],[24] $ 37,331,000 [16],[26],[27]  
Percentage of Net Assets 0.50% [12],[23],[24] 0.60% [16],[26],[27]  
Investment, Identifier [Axis]: KPSKY Acquisition, Inc. (dba BluSky), First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[20],[29],[32]   4.50%  
Par / Units [15],[16],[20],[29],[32]   $ 256,000  
Amortized Cost [15],[16],[20],[29],[32]   248,000  
Fair Value [15],[16],[20],[29],[32]   $ 248,000  
Percentage of Net Assets [15],[16],[20],[29],[32]   0.00%  
Investment, Identifier [Axis]: KPSKY Acquisition, Inc. (dba BluSky), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.50% [11],[12],[28] 5.50% [15],[16],[25]  
Par / Units $ 4,952,000 [11],[12],[28] $ 4,476,000 [15],[16],[25]  
Amortized Cost 4,864,000 [11],[12],[28] 4,389,000 [15],[16],[25]  
Fair Value $ 4,816,000 [11],[12],[28] $ 4,386,000 [15],[16],[25]  
Percentage of Net Assets 0.10% [11],[12],[28] 0.10% [15],[16],[25]  
Investment, Identifier [Axis]: KS Management Services, L.L.C., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[36]   4.25%  
Par / Units [15],[16],[36]   $ 122,500,000  
Amortized Cost [15],[16],[36]   121,420,000  
Fair Value [15],[16],[36]   $ 122,500,000  
Percentage of Net Assets [15],[16],[36]   2.10%  
Investment, Identifier [Axis]: KUSRP Intermediate, Inc. (dba U.S. Retirement and Benefits Partners), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[36] 9.50%    
Interest, PIK 9.50% [11],[12],[36] 9.50% [15],[16],[17]  
Par / Units $ 33,806,000 [11],[12],[36] $ 31,237,000 [15],[16],[17]  
Amortized Cost 33,272,000 [11],[12],[36] 30,655,000 [15],[16],[17]  
Fair Value $ 33,299,000 [11],[12],[36] $ 30,612,000 [15],[16],[17]  
Percentage of Net Assets 0.60% [11],[12],[36] 0.50% [15],[16],[17]  
Investment, Identifier [Axis]: Kaseya Inc., First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[33],[34] 5.75%    
Par / Units [11],[12],[19],[33],[34] $ 0    
Amortized Cost [11],[12],[19],[33],[34] (11,000)    
Fair Value [11],[12],[19],[33],[34] $ (3,000)    
Percentage of Net Assets [11],[12],[19],[33],[34] 0.00%    
Investment, Identifier [Axis]: Kaseya Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12] 5.75%    
Par / Units [11],[12] $ 18,732,000    
Amortized Cost [11],[12] 18,367,000    
Fair Value [11],[12] $ 18,497,000    
Percentage of Net Assets [11],[12] 0.30%    
Investment, Identifier [Axis]: Kaseya Inc., First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[33] 5.75%    
Par / Units [11],[12],[19],[33] $ 0    
Amortized Cost [11],[12],[19],[33] (22,000)    
Fair Value [11],[12],[19],[33] $ (14,000)    
Percentage of Net Assets [11],[12],[19],[33] 0.00%    
Investment, Identifier [Axis]: Knockout Intermediate Holdings I Inc. (dba Kaseya),Perpetual Preferred Stock      
Schedule of Investments [Line Items]      
Interest [12],[21],[24] 11.75%    
Units (in shares) [12],[21],[24] 14,000    
Amortized Cost [12],[21],[24] $ 13,659,000    
Fair Value [12],[21],[24] $ 13,790,000    
Percentage of Net Assets [12],[21],[24] 0.20%    
Investment, Identifier [Axis]: LTP Holdco, LLC, , Unsecured facility      
Schedule of Investments [Line Items]      
Interest [11],[12],[35] 10.75%    
Interest, PIK [11],[12],[35] 10.75%    
Par / Units [11],[12],[35] $ 3,936,000    
Amortized Cost [11],[12],[35] 3,826,000    
Fair Value [11],[12],[35] $ 3,867,000    
Percentage of Net Assets [11],[12],[35] 0.10%    
Investment, Identifier [Axis]: Lazer Spot G B Holdings, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.75% [11],[12],[36] 5.75% [15],[16],[17]  
Par / Units $ 142,964,000 [11],[12],[36] $ 144,064,000 [15],[16],[17]  
Amortized Cost 141,526,000 [11],[12],[36] 142,314,000 [15],[16],[17]  
Fair Value $ 142,964,000 [11],[12],[36] $ 144,064,000 [15],[16],[17]  
Percentage of Net Assets 2.40% [11],[12],[36] 2.40% [15],[16],[17]  
Investment, Identifier [Axis]: Lazer Spot G B Holdings, Inc., First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 5.75% [11],[12],[19],[33] 5.75% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (246,000) [11],[12],[19],[33] (304,000) [15],[16],[20],[21]  
Fair Value $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Learning Care Group (US) No. 2 Inc., Second lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 7.50% [11],[12],[13] 7.50% [15],[16],[17]  
Par / Units $ 26,967,000 [11],[12],[13] $ 26,967,000 [15],[16],[17]  
Amortized Cost 26,710,000 [11],[12],[13] 26,663,000 [15],[16],[17]  
Fair Value $ 26,360,000 [11],[12],[13] $ 26,293,000 [15],[16],[17]  
Percentage of Net Assets 0.50% [11],[12],[13] 0.40% [15],[16],[17]  
Investment, Identifier [Axis]: Lignetics Investment Corp. First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[13],[19] 6.00%    
Par / Units [11],[12],[13],[19] $ 4,157,000    
Amortized Cost [11],[12],[13],[19] 4,109,000    
Fair Value [11],[12],[13],[19] $ 4,016,000    
Percentage of Net Assets [11],[12],[13],[19] 0.10%    
Investment, Identifier [Axis]: Lignetics Investment Corp., First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest 6.00% [11],[12],[19],[33],[34] 6.00% [15],[16],[20],[21],[29]  
Par / Units $ 0 [11],[12],[19],[33],[34] $ 0 [15],[16],[20],[21],[29]  
Amortized Cost (42,000) [11],[12],[19],[33],[34] (48,000) [15],[16],[20],[21],[29]  
Fair Value $ (118,000) [11],[12],[19],[33],[34] $ (49,000) [15],[16],[20],[21],[29]  
Percentage of Net Assets 0.00% [11],[12],[19],[33],[34] 0.00% [15],[16],[20],[21],[29]  
Investment, Identifier [Axis]: Lignetics Investment Corp., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.00% [11],[12],[13] 6.00% [15],[16],[17]  
Par / Units $ 31,137,000 [11],[12],[13] $ 31,373,000 [15],[16],[17]  
Amortized Cost 30,797,000 [11],[12],[13] 30,989,000 [15],[16],[17]  
Fair Value $ 30,203,000 [11],[12],[13] $ 30,980,000 [15],[16],[17]  
Percentage of Net Assets 0.50% [11],[12],[13] 0.50% [15],[16],[17]  
Investment, Identifier [Axis]: Lignetics Investment Corp., First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[17],[20]   6.00%  
Par / Units [15],[16],[17],[20]   $ 784,000  
Amortized Cost [15],[16],[17],[20]   727,000  
Fair Value [15],[16],[17],[20]   $ 725,000  
Percentage of Net Assets [15],[16],[17],[20]   0.00%  
Investment, Identifier [Axis]: LineStar Integrity Services LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [36] 7.25% [11],[12] 7.25% [15],[16]  
Par / Units [36] $ 78,652,000 [11],[12] $ 82,714,000 [15],[16]  
Amortized Cost [36] 78,730,000 [11],[12] 82,413,000 [15],[16]  
Fair Value [36] $ 73,933,000 [11],[12] $ 72,788,000 [15],[16]  
Percentage of Net Assets [36] 1.30% [11],[12] 1.20% [15],[16]  
Investment, Identifier [Axis]: Litera Bidco LLC, First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[20],[25],[29]   6.00%  
Par / Units [15],[16],[20],[25],[29]   $ 1,998,000  
Amortized Cost [15],[16],[20],[25],[29]   1,943,000  
Fair Value [15],[16],[20],[25],[29]   $ 1,998,000  
Percentage of Net Assets [15],[16],[20],[25],[29]   0.00%  
Investment, Identifier [Axis]: Litera Bidco LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.89% [11],[12],[28] 5.87% [15],[16],[25]  
Par / Units $ 149,056,000 [11],[12],[28] $ 154,049,000 [15],[16],[25]  
Amortized Cost 147,675,000 [11],[12],[28] 152,423,000 [15],[16],[25]  
Fair Value $ 148,733,000 [11],[12],[28] $ 154,049,000 [15],[16],[25]  
Percentage of Net Assets 2.50% [11],[12],[28] 2.60% [15],[16],[25]  
Investment, Identifier [Axis]: Litera Bidco LLC, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 5.75% [11],[12],[19],[33] 5.75% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (34,000) [11],[12],[19],[33] (44,000) [15],[16],[20],[21]  
Fair Value $ (29,000) [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Lytx, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.75% [11],[12],[35] 6.75% [15],[16],[25]  
Par / Units $ 71,187,000 [11],[12],[35] $ 71,733,000 [15],[16],[25]  
Amortized Cost 70,443,000 [11],[12],[35] 70,839,000 [15],[16],[25]  
Fair Value $ 70,119,000 [11],[12],[35] $ 71,195,000 [15],[16],[25]  
Percentage of Net Assets 1.20% [11],[12],[35] 1.20% [15],[16],[25]  
Investment, Identifier [Axis]: MHE Intermediate Holdings, LLC (dba OnPoint Group), First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[17],[20],[29]   5.75%  
Par / Units [15],[16],[17],[20],[29]   $ 13,420,000  
Amortized Cost [15],[16],[17],[20],[29]   13,291,000  
Fair Value [15],[16],[17],[20],[29]   $ 13,286,000  
Percentage of Net Assets [15],[16],[17],[20],[29]   0.20%  
Investment, Identifier [Axis]: MHE Intermediate Holdings, LLC (dba OnPoint Group), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.00% [11],[12],[43] 5.75% [15],[16],[17]  
Par / Units $ 182,235,000 [11],[12],[43] $ 160,321,000 [15],[16],[17]  
Amortized Cost 180,707,000 [11],[12],[43] 158,816,000 [15],[16],[17]  
Fair Value $ 179,957,000 [11],[12],[43] $ 158,718,000 [15],[16],[17]  
Percentage of Net Assets 3.10% [11],[12],[43] 2.70% [15],[16],[17]  
Investment, Identifier [Axis]: MHE Intermediate Holdings, LLC (dba OnPoint Group), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 6.00% [11],[12],[19],[33] 5.75% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [16],[20],[21]  
Amortized Cost (124,000) [11],[12],[19],[33] (144,000) [16],[20],[21]  
Fair Value $ (194,000) [11],[12],[19],[33] $ (155,000) [16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [16],[20],[21]  
Investment, Identifier [Axis]: MINDBODY, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 8.50% [11],[12],[13] 8.50% [15],[16],[17],[36]  
Interest, PIK 1.50% [11],[12],[13] 1.50% [15],[16],[17],[36]  
Par / Units $ 67,902,000 [11],[12],[13] $ 67,127,000 [15],[16],[36]  
Amortized Cost 67,569,000 [11],[12],[13] 66,713,000 [15],[16],[36]  
Fair Value $ 67,902,000 [11],[12],[13] $ 67,127,000 [15],[16],[36]  
Percentage of Net Assets 1.20% [11],[12],[13] 1.10% [15],[16],[36]  
Investment, Identifier [Axis]: MINDBODY, Inc., First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 8.00% [11],[12],[19],[33] 7.00% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (24,000) [11],[12],[19],[33] (32,000) [15],[16],[20],[21]  
Fair Value $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Maia Aggregator, LP, Class A-2 Units      
Schedule of Investments [Line Items]      
Units (in shares) [12],[23],[24] 168,539    
Amortized Cost [12],[23],[24] $ 169,000    
Fair Value [12],[23],[24] $ 169,000    
Percentage of Net Assets [12],[23],[24] 0.00%    
Investment, Identifier [Axis]: Mario Midco Holdings Inc.(dba Len the Plumber), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[33] 5.75%    
Par / Units [11],[12],[19],[33] $ 0    
Amortized Cost [11],[12],[19],[33] (26,000)    
Fair Value [11],[12],[19],[33] $ (17,000)    
Percentage of Net Assets [11],[12],[19],[33] 0.00%    
Investment, Identifier [Axis]: Mario Purchaser, LLC (dba Len the Plumber), First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[34],[35] 5.75%    
Par / Units [11],[12],[19],[34],[35] $ 2,026,000    
Amortized Cost [11],[12],[19],[34],[35] 1,941,000    
Fair Value [11],[12],[19],[34],[35] $ 1,988,000    
Percentage of Net Assets [11],[12],[19],[34],[35] 0.00%    
Investment, Identifier [Axis]: Mario Purchaser, LLC (dba Len the Plumber), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[35] 5.75%    
Par / Units [11],[12],[35] $ 13,074,000    
Amortized Cost [11],[12],[35] 12,825,000    
Fair Value [11],[12],[35] $ 12,911,000    
Percentage of Net Assets [11],[12],[35] 0.20%    
Investment, Identifier [Axis]: Medline Borrower, LP, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[33] 3.25%    
Par / Units [11],[12],[19],[33] $ 0    
Amortized Cost [11],[12],[19],[33] (131,000)    
Fair Value [11],[12],[19],[33] $ (719,000)    
Percentage of Net Assets [11],[12],[19],[33] 0.00%    
Investment, Identifier [Axis]: Medline Intermediate, LP, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[20],[21]   3.25%  
Par / Units [15],[16],[20],[21]   $ 0  
Amortized Cost [15],[16],[20],[21]   (155,000)  
Fair Value [15],[16],[20],[21]   $ (162,000)  
Percentage of Net Assets [15],[16],[20],[21]   0.00%  
Investment, Identifier [Axis]: MessageBird BidCo B.V., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[14],[36] 6.75%    
Par / Units [11],[12],[14],[36] $ 77,000,000    
Amortized Cost [11],[12],[14],[36] 75,624,000    
Fair Value [11],[12],[14],[36] $ 75,268,000    
Percentage of Net Assets [11],[12],[14],[36] 1.30%    
Investment, Identifier [Axis]: MessageBird BidCo B.V.,First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[17],[18]   6.75%  
Par / Units   $ 77,000,000  
Amortized Cost   75,447,000  
Fair Value   $ 75,460,000  
Percentage of Net Assets   1.30%  
Investment, Identifier [Axis]: MessageBird Holding B.V., Extended Series C Warrants      
Schedule of Investments [Line Items]      
Units (in shares) 122,890 [12],[14],[23],[24] 122,890 [16],[18],[26],[27]  
Amortized Cost $ 753,000 [12],[14],[23],[24] $ 753,000 [16],[18],[26],[27]  
Fair Value $ 125,000 [12],[14],[23],[24] $ 753,000 [16],[18],[26],[27]  
Percentage of Net Assets 0.00% [12],[14],[23],[24] 0.00% [16],[18],[26],[27]  
Investment, Identifier [Axis]: Metis HoldCo, Inc. (dba Mavis Tire Express Services), Series A Convertible Preferred Stock      
Schedule of Investments [Line Items]      
Interest [12],[21],[24] 7.00%    
Interest, PIK [16],[27],[38]   7.00%  
Units (in shares) 165,042 [12],[21],[24] 149,692 [16],[27],[38]  
Amortized Cost $ 160,670,000 [12],[21],[24] $ 151,894,000 [16],[27],[38]  
Fair Value $ 155,552,000 [12],[21],[24] $ 155,888,000 [16],[27],[38]  
Percentage of Net Assets 2.70% [12],[21],[24] 2.60% [16],[27],[38]  
Investment, Identifier [Axis]: Milan Laser Holdings LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.00% [11],[12],[28] 5.00% [15],[16],[17]  
Par / Units $ 24,116,000 [11],[12],[28] $ 24,299,000 [15],[16],[17]  
Amortized Cost 23,925,000 [11],[12],[28] 24,080,000 [15],[16],[17]  
Fair Value $ 23,996,000 [11],[12],[28] $ 24,117,000 [15],[16],[17]  
Percentage of Net Assets 0.40% [11],[12],[28] 0.40% [15],[16],[17]  
Investment, Identifier [Axis]: Milan Laser Holdings LLC, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 5.00% [11],[12],[19],[33] 5.00% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (15,000) [11],[12],[19],[33] (18,000) [15],[16],[20],[21]  
Fair Value $ (10,000) [11],[12],[19],[33] $ (16,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Minerva Holdco, Inc. (dba Athenahealth, Inc.), Series A Preferred Stock      
Schedule of Investments [Line Items]      
Interest [12],[21],[24] 10.75%    
Units (in shares) [12],[21],[24] 7,480    
Amortized Cost [12],[21],[24] $ 7,348,000    
Fair Value [12],[21],[24] $ 6,676,000    
Percentage of Net Assets [12],[21],[24] 0.10%    
Investment, Identifier [Axis]: Ministry Brands Holdings, LLC, First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest 5.50% [11],[12],[19],[33],[34] 5.50% [15],[16],[20],[21],[29]  
Par / Units $ 0 [11],[12],[19],[33],[34] $ 0 [15],[16],[20],[21],[29]  
Amortized Cost (2,000) [11],[12],[19],[33],[34] (2,000) [15],[16],[20],[21],[29]  
Fair Value $ (4,000) [11],[12],[19],[33],[34] $ (2,000) [15],[16],[20],[21],[29]  
Percentage of Net Assets 0.00% [11],[12],[19],[33],[34] 0.00% [15],[16],[20],[21],[29]  
Investment, Identifier [Axis]: Ministry Brands Holdings, LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.50% [11],[12],[13] 5.50% [15],[16],[17]  
Par / Units $ 703,000 [11],[12],[13] $ 706,000 [15],[16],[17]  
Amortized Cost 690,000 [11],[12],[13] 692,000 [15],[16],[17]  
Fair Value $ 683,000 [11],[12],[13] $ 692,000 [15],[16],[17]  
Percentage of Net Assets 0.00% [11],[12],[13] 0.00% [15],[16],[17]  
Investment, Identifier [Axis]: Ministry Brands Holdings, LLC, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 5.50% [11],[12],[19],[33] 5.50% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (1,000) [11],[12],[19],[33] (1,000) [15],[16],[20],[21]  
Fair Value $ (2,000) [11],[12],[19],[33] $ (1,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Motus Group, LLC, Second lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.50% [11],[12],[28] 6.50% [15],[16],[17]  
Par / Units $ 10,810,000 [11],[12],[28] $ 10,810,000 [15],[16],[17]  
Amortized Cost 10,710,000 [11],[12],[28] 10,702,000 [15],[16],[17]  
Fair Value $ 10,566,000 [11],[12],[28] $ 10,702,000 [15],[16],[17]  
Percentage of Net Assets 0.20% [11],[12],[28] 0.20% [15],[16],[17]  
Investment, Identifier [Axis]: Muine Gall, LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[14],[36],[42] 7.00%    
Interest, PIK [36] 7.00% [11],[12],[14],[42] 7.00% [15],[16],[18],[55]  
Par / Units $ 248,992,000 [11],[12],[14],[36],[42] $ 239,896,000 [15],[16],[18],[55]  
Amortized Cost 250,199,000 [11],[12],[14],[36],[42] 240,229,000 [15],[16],[18],[55]  
Fair Value $ 245,257,000 [11],[12],[14],[36],[42] $ 239,896,000 [15],[16],[18],[55]  
Percentage of Net Assets 4.20% [11],[12],[14],[36],[42] 4.00% [15],[16],[18],[55]  
Investment, Identifier [Axis]: NMI Acquisitionco, Inc. (dba Network Merchants), First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest 5.75% [11],[12],[19],[28],[34] 5.75% [15],[16],[20],[25],[29]  
Par / Units $ 4,940,000 [11],[12],[19],[28],[34] $ 4,978,000 [15],[16],[20],[25],[29]  
Amortized Cost 4,861,000 [11],[12],[19],[28],[34] 4,877,000 [15],[16],[20],[25],[29]  
Fair Value $ 4,836,000 [11],[12],[19],[28],[34] $ 4,945,000 [15],[16],[20],[25],[29]  
Percentage of Net Assets 0.10% [11],[12],[19],[28],[34] 0.10% [15],[16],[20],[25],[29]  
Investment, Identifier [Axis]: NMI Acquisitionco, Inc. (dba Network Merchants), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.75% [11],[12],[28] 5.75% [15],[16],[25]  
Par / Units $ 25,114,000 [11],[12],[28] $ 25,313,000 [15],[16],[25]  
Amortized Cost 24,989,000 [11],[12],[28] 25,158,000 [15],[16],[25]  
Fair Value $ 24,737,000 [11],[12],[28] $ 25,148,000 [15],[16],[25]  
Percentage of Net Assets 0.40% [11],[12],[28] 0.40% [15],[16],[25]  
Investment, Identifier [Axis]: NMI Acquisitionco, Inc. (dba Network Merchants), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 5.75% [11],[12],[19],[33] 5.75% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (14,000) [11],[12],[19],[33] (18,000) [15],[16],[20],[21]  
Fair Value $ (25,000) [11],[12],[19],[33] $ (11,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: National Dentex Labs LLC (fka Barracuda Dental LLC), First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[17],[20],[29]   7.00%  
Par / Units [15],[16],[17],[20],[29]   $ 35,582,000  
Amortized Cost [15],[16],[17],[20],[29]   35,166,000  
Fair Value [15],[16],[17],[20],[29]   $ 35,315,000  
Percentage of Net Assets [15],[16],[17],[20],[29]   0.60%  
Investment, Identifier [Axis]: National Dentex Labs LLC (fka Barracuda Dental LLC), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 7.00% [11],[12],[13] 7.00% [15],[16],[17]  
Par / Units $ 105,500,000 [11],[12],[13] $ 70,723,000 [15],[16],[17]  
Amortized Cost 104,357,000 [11],[12],[13] 69,731,000 [15],[16],[17]  
Fair Value $ 102,862,000 [11],[12],[13] $ 70,192,000 [15],[16],[17]  
Percentage of Net Assets 1.80% [11],[12],[13] 1.20% [15],[16],[17]  
Investment, Identifier [Axis]: National Dentex Labs LLC (fka Barracuda Dental LLC), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 7.00% [11],[12],[13] 7.00% [15],[16],[17],[20]  
Par / Units $ 9,366,000 [11],[12],[13] $ 3,044,000 [15],[16],[17],[20]  
Amortized Cost 9,213,000 [11],[12],[13] 2,853,000 [15],[16],[17],[20]  
Fair Value $ 9,132,000 [11],[12],[13] $ 2,974,000 [15],[16],[17],[20]  
Percentage of Net Assets 0.20% [11],[12],[13] 0.10% [15],[16],[17],[20]  
Investment, Identifier [Axis]: Natural Partners, LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[14],[36] 6.00%    
Par / Units [11],[12],[14],[36] $ 927,000    
Amortized Cost [11],[12],[14],[36] 910,000    
Fair Value [11],[12],[14],[36] $ 906,000    
Percentage of Net Assets [11],[12],[14],[36] 0.00%    
Investment, Identifier [Axis]: Natural Partners, LLC, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[14],[19],[33] 6.00%    
Par / Units [11],[12],[14],[19],[33] $ 0    
Amortized Cost [11],[12],[14],[19],[33] (1,000)    
Fair Value [11],[12],[14],[19],[33] $ (2,000)    
Percentage of Net Assets [11],[12],[14],[19],[33] 0.00%    
Investment, Identifier [Axis]: Nelipak Holding Company ,First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[28] 4.25%    
Par / Units [11],[12],[28] $ 2,292,000    
Amortized Cost [11],[12],[28] 2,265,000    
Fair Value [11],[12],[28] $ 2,275,000    
Percentage of Net Assets [11],[12],[28] 0.00%    
Investment, Identifier [Axis]: Nelipak Holding Company, First lien senior loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[17]   4.25%  
Par / Units [15],[16],[17]   $ 24,760,000  
Amortized Cost [15],[16],[17]   24,419,000  
Fair Value [15],[16],[17]   $ 24,450,000  
Percentage of Net Assets [15],[16],[17]   0.40%  
Investment, Identifier [Axis]: Nelipak Holding Company, First lien senior secured EUR revolving loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[56] 4.50%    
Par / Units [11],[12],[19],[56] $ 263,000    
Amortized Cost [11],[12],[19],[56] 58,000    
Fair Value [11],[12],[19],[56] $ 214,000    
Percentage of Net Assets [11],[12],[19],[56] 0.00%    
Investment, Identifier [Axis]: Nelipak Holding Company, First lien senior secured USD revolving loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[28] 4.25%    
Par / Units [11],[12],[19],[28] $ 1,072,000    
Amortized Cost [11],[12],[19],[28] 1,020,000    
Fair Value [11],[12],[19],[28] $ 1,017,000    
Percentage of Net Assets [11],[12],[19],[28] 0.00%    
Investment, Identifier [Axis]: Nelipak Holding Company, First lien senior secured revolving loan, One      
Schedule of Investments [Line Items]      
Interest [15],[16],[17],[20]   4.25%  
Par / Units [15],[16],[17],[20]   $ 3,082,000  
Amortized Cost [15],[16],[17],[20]   3,008,000  
Fair Value [15],[16],[17],[20]   $ 2,990,000  
Percentage of Net Assets [15],[16],[17],[20]   0.10%  
Investment, Identifier [Axis]: Nelipak Holding Company, First lien senior secured revolving loan, Two      
Schedule of Investments [Line Items]      
Interest [15],[16],[20],[21]   4.50%  
Par / Units [15],[16],[20],[21]   $ 0  
Amortized Cost [15],[16],[20],[21]   (261,000)  
Fair Value [15],[16],[20],[21]   $ (94,000)  
Percentage of Net Assets [15],[16],[20],[21]   0.00%  
Investment, Identifier [Axis]: Nelipak Holding Company, Second lien EUR senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[39] 8.50%    
Par / Units [11],[12],[39] $ 58,877,000    
Amortized Cost [11],[12],[39] 66,577,000    
Fair Value [11],[12],[39] $ 58,141,000    
Percentage of Net Assets [11],[12],[39] 1.00%    
Investment, Identifier [Axis]: Nelipak Holding Company, Second lien USD senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[13] 8.25%    
Par / Units [11],[12],[13] $ 67,006,000    
Amortized Cost [11],[12],[13] 66,321,000    
Fair Value [11],[12],[13] $ 66,503,000    
Percentage of Net Assets [11],[12],[13] 1.10%    
Investment, Identifier [Axis]: Nelipak Holding Company, Second lien senior secured loan, One      
Schedule of Investments [Line Items]      
Interest [15],[16],[17]   8.25%  
Par / Units [15],[16],[17]   $ 67,006,000  
Amortized Cost [15],[16],[17]   66,237,000  
Fair Value [15],[16],[17]   $ 66,336,000  
Percentage of Net Assets [15],[16],[17]   1.10%  
Investment, Identifier [Axis]: Nelipak Holding Company, Second lien senior secured loan, Two      
Schedule of Investments [Line Items]      
Interest [15],[16],[57]   8.50%  
Par / Units [15],[16],[57]   $ 68,346,000  
Amortized Cost [15],[16],[57]   66,496,000  
Fair Value [15],[16],[57]   $ 67,321,000  
Percentage of Net Assets [15],[16],[57]   1.10%  
Investment, Identifier [Axis]: Nellson Nutraceutical, LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.25% [11],[12],[13] 5.25% [15],[16],[17]  
Par / Units $ 26,031,000 [11],[12],[13] $ 27,280,000 [15],[16],[17]  
Amortized Cost 25,608,000 [11],[12],[13] 26,586,000 [15],[16],[17]  
Fair Value $ 25,445,000 [11],[12],[13] $ 26,735,000 [15],[16],[17]  
Percentage of Net Assets 0.40% [11],[12],[13] 0.50% [15],[16],[17]  
Investment, Identifier [Axis]: New PLI Holdings, LLC, Class A Common Units      
Schedule of Investments [Line Items]      
Units (in shares) 86,745 [12],[22],[24] 86,745 [16],[26],[27],[58]  
Amortized Cost $ 48,008,000 [12],[22],[24] $ 48,007,000 [16],[26],[27],[58]  
Fair Value $ 94,713,000 [12],[22],[24] $ 48,007,000 [16],[26],[27],[58]  
Percentage of Net Assets 1.60% [12],[22],[24] 0.80% [16],[26],[27],[58]  
Investment, Identifier [Axis]: Norvax, LLC (dba GoHealth), Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 1,021,885 [12],[23],[45] 1,021,885 [16],[26],[59]  
Amortized Cost $ 5,232,000 [12],[23],[45] $ 5,232,000 [16],[26],[59]  
Fair Value $ 363,000 [12],[23],[45] $ 3,873,000 [16],[26],[59]  
Percentage of Net Assets 0.00% [12],[23],[45] 0.10% [16],[26],[59]  
Investment, Identifier [Axis]: Norvax, LLC (dba GoHealth), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.50% [11],[12],[13] 6.50% [15],[16],[17]  
Par / Units $ 76,785,000 [11],[12],[13] $ 77,376,000 [15],[16],[17]  
Amortized Cost 74,960,000 [11],[12],[13] 75,139,000 [15],[16],[17]  
Fair Value $ 74,866,000 [11],[12],[13] $ 77,763,000 [15],[16],[17]  
Percentage of Net Assets 1.30% [11],[12],[13] 1.30% [15],[16],[17]  
Investment, Identifier [Axis]: Norvax, LLC (dba GoHealth), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 6.50% [11],[12],[13],[19] 6.50% [15],[16],[20],[25]  
Par / Units $ 9,511,000 [11],[12],[13],[19] $ 9,511,000 [15],[16],[20],[25]  
Amortized Cost 9,440,000 [11],[12],[13],[19] 9,412,000 [15],[16],[20],[25]  
Fair Value $ 9,205,000 [11],[12],[13],[19] $ 9,511,000 [15],[16],[20],[25]  
Percentage of Net Assets 0.20% [11],[12],[13],[19] 0.20% [15],[16],[20],[25]  
Investment, Identifier [Axis]: Notorious Topco, LLC (dba Beauty Industry Group), First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest 6.75% [11],[12],[19],[34],[35] 6.50% [15],[16],[20],[21],[29]  
Par / Units $ 9,554,000 [11],[12],[19],[34],[35] $ 0 [15],[16],[20],[21],[29]  
Amortized Cost 9,349,000 [11],[12],[19],[34],[35] (98,000) [15],[16],[20],[21],[29]  
Fair Value $ 9,506,000 [11],[12],[19],[34],[35] $ (40,000) [15],[16],[20],[21],[29]  
Percentage of Net Assets 0.20% [11],[12],[19],[34],[35] 0.00% [15],[16],[20],[21],[29]  
Investment, Identifier [Axis]: Notorious Topco, LLC (dba Beauty Industry Group), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.75% [11],[12],[35] 6.50% [15],[16],[17]  
Par / Units $ 109,632,000 [11],[12],[35] $ 110,460,000 [15],[16],[17]  
Amortized Cost 108,179,000 [11],[12],[35] 108,827,000 [15],[16],[17]  
Fair Value $ 109,083,000 [11],[12],[35] $ 108,803,000 [15],[16],[17]  
Percentage of Net Assets 1.90% [11],[12],[35] 1.80% [15],[16],[17]  
Investment, Identifier [Axis]: Notorious Topco, LLC (dba Beauty Industry Group), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 6.75% [11],[12],[19],[33] 6.50% [15],[16],[17],[20]  
Par / Units $ 0 [11],[12],[19],[33] $ 1,596,000 [15],[16],[17],[20]  
Amortized Cost (121,000) [11],[12],[19],[33] 1,455,000 [15],[16],[17],[20]  
Fair Value $ (48,000) [11],[12],[19],[33] $ 1,453,000 [15],[16],[17],[20]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[17],[20]  
Investment, Identifier [Axis]: Nutraceutical International Corporation, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 7.00% [11],[12],[13] 7.00% [15],[16],[25]  
Par / Units $ 188,001,000 [11],[12],[13] $ 211,824,000 [15],[16],[25]  
Amortized Cost 185,994,000 [11],[12],[13] 209,206,000 [15],[16],[25]  
Fair Value $ 171,081,000 [11],[12],[13] $ 207,587,000 [15],[16],[25]  
Percentage of Net Assets 2.90% [11],[12],[13] 3.50% [15],[16],[25]  
Investment, Identifier [Axis]: Nutraceutical International Corporation, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 7.00% [11],[12],[13] 7.00% [15],[16],[25]  
Par / Units $ 13,578,000 [11],[12],[13] $ 13,578,000 [15],[16],[25]  
Amortized Cost 13,456,000 [11],[12],[13] 13,426,000 [15],[16],[25]  
Fair Value $ 12,356,000 [11],[12],[13] $ 13,307,000 [15],[16],[25]  
Percentage of Net Assets 0.20% [11],[12],[13] 0.20% [15],[16],[25]  
Investment, Identifier [Axis]: OB Hospitalist Group, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.50% [11],[12],[13] 5.50% [15],[16],[17]  
Par / Units $ 95,029,000 [11],[12],[13] $ 116,855,000 [15],[16],[17]  
Amortized Cost 93,398,000 [11],[12],[13] 114,603,000 [15],[16],[17]  
Fair Value $ 94,079,000 [11],[12],[13] $ 114,518,000 [15],[16],[17]  
Percentage of Net Assets 1.60% [11],[12],[13] 1.90% [15],[16],[17]  
Investment, Identifier [Axis]: OB Hospitalist Group, Inc., First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 5.50% [11],[12],[13],[19] 5.50% [15],[16],[20],[25]  
Par / Units $ 3,030,000 [11],[12],[13],[19] $ 1,616,000 [15],[16],[20],[25]  
Amortized Cost 2,778,000 [11],[12],[13],[19] 1,326,000 [15],[16],[20],[25]  
Fair Value $ 2,878,000 [11],[12],[13],[19] $ 1,313,000 [15],[16],[20],[25]  
Percentage of Net Assets 0.00% [11],[12],[13],[19] 0.00% [15],[16],[20],[25]  
Investment, Identifier [Axis]: ORCC Senior Loan Fund LLC (fka Sebago Lake LLC) | Investment income from controlled, affiliated investments:      
Schedule of Investments [Line Items]      
Fair Value [60] $ 313,910,000 $ 247,061,000 105,546,000
Investment, Identifier [Axis]: ORCC Senior Loan Fund LLC (fka Sebago Lake LLC), LLC Interest      
Schedule of Investments [Line Items]      
Units (in shares) 345,089 [14],[22],[24],[42],[61] 249,714 [18],[27],[55],[58]  
Amortized Cost $ 345,089,000 [14],[22],[24],[42],[61] $ 249,714,000 [18],[27],[55],[58]  
Fair Value $ 313,910,000 [14],[22],[24],[42],[61] $ 247,061,000 [18],[27],[55],[58]  
Percentage of Net Assets 5.40% [14],[22],[24],[42],[61] 4.20% [18],[27],[55],[58]  
Investment, Identifier [Axis]: Offen, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.00% [11],[12],[36] 5.00% [15],[16],[25]  
Par / Units $ 18,708,000 [11],[12],[36] $ 19,582,000 [15],[16],[25]  
Amortized Cost 18,602,000 [11],[12],[36] 19,450,000 [15],[16],[25]  
Fair Value $ 18,708,000 [11],[12],[36] $ 19,582,000 [15],[16],[25]  
Percentage of Net Assets 0.30% [11],[12],[36] 0.30% [15],[16],[25]  
Investment, Identifier [Axis]: Ole Smoky Distillery, LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[43] 5.25%    
Par / Units [11],[12],[43] $ 879,000    
Amortized Cost [11],[12],[43] 863,000    
Fair Value [11],[12],[43] $ 857,000    
Percentage of Net Assets [11],[12],[43] 0.00%    
Investment, Identifier [Axis]: Ole Smoky Distillery, LLC, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[33] 5.25%    
Par / Units [11],[12],[19],[33] $ 0    
Amortized Cost [11],[12],[19],[33] (2,000)    
Fair Value [11],[12],[19],[33] $ (3,000)    
Percentage of Net Assets [11],[12],[19],[33] 0.00%    
Investment, Identifier [Axis]: PCF Holdco, LLC (dba PCF Insurance Services), Class A Units      
Schedule of Investments [Line Items]      
Units (in shares) 14,772,724 [12],[23],[24] 11,028 [16],[26],[27]  
Amortized Cost $ 37,464,000 [12],[23],[24] $ 27,968,000 [16],[26],[27]  
Fair Value $ 65,898,000 [12],[23],[24] $ 27,968,000 [16],[26],[27]  
Percentage of Net Assets 1.10% [12],[23],[24] 0.50% [16],[26],[27]  
Investment, Identifier [Axis]: PCF Holdco, LLC (dba PCF Insurance Services), Class A Warrants      
Schedule of Investments [Line Items]      
Units (in shares) [16],[26],[27]   3,744  
Amortized Cost [16],[26],[27]   $ 9,496,000  
Fair Value [16],[26],[27]   $ 9,496,000  
Percentage of Net Assets [16],[26],[27]   0.20%  
Investment, Identifier [Axis]: PCF Midco II, LLC (dba PCF Insurance Services), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [12],[37] 9.00%    
Interest, PIK 9.00% [12],[37] 9.00% [16],[38]  
Par / Units $ 128,886,000 [12],[37] $ 118,693,000 [16],[38]  
Amortized Cost 118,231,000 [12],[37] 107,530,000 [16],[38]  
Fair Value $ 115,997,000 [12],[37] $ 107,418,000 [16],[38]  
Percentage of Net Assets 2.00% [12],[37] 1.80% [16],[38]  
Investment, Identifier [Axis]: PHM Netherlands Midco B.V. (dba Loparex), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 4.50% [11],[12],[28] 4.50% [15],[16],[17]  
Par / Units $ 780,000 [11],[12],[28] $ 786,000 [15],[16],[17]  
Amortized Cost 739,000 [11],[12],[28] 738,000 [15],[16],[17]  
Fair Value $ 753,000 [11],[12],[28] $ 782,000 [15],[16],[17]  
Percentage of Net Assets 0.00% [11],[12],[28] 0.00% [15],[16],[17]  
Investment, Identifier [Axis]: PHM Netherlands Midco B.V. (dba Loparex), Second lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 8.75% [11],[12],[13] 8.75% [15],[16],[25]  
Par / Units $ 112,000,000 [11],[12],[13] $ 112,000,000 [15],[16],[25]  
Amortized Cost 106,548,000 [11],[12],[13] 105,916,000 [15],[16],[25]  
Fair Value $ 109,200,000 [11],[12],[13] $ 110,600,000 [15],[16],[25]  
Percentage of Net Assets 1.90% [11],[12],[13] 1.90% [15],[16],[25]  
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[30],[34] 5.75%    
Par / Units [11],[12],[19],[30],[34] $ 16,000    
Amortized Cost [11],[12],[19],[30],[34] 14,000    
Fair Value [11],[12],[19],[30],[34] $ 14,000    
Percentage of Net Assets [11],[12],[19],[30],[34] 0.00%    
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[43] 5.75%    
Par / Units [11],[12],[43] $ 737,000    
Amortized Cost [11],[12],[43] 722,000    
Fair Value [11],[12],[43] $ 722,000    
Percentage of Net Assets [11],[12],[43] 0.00%    
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[33] 5.75%    
Par / Units [11],[12],[19],[33] $ 0    
Amortized Cost [11],[12],[19],[33] (1,000)    
Fair Value [11],[12],[19],[33] $ (1,000)    
Percentage of Net Assets [11],[12],[19],[33] 0.00%    
Investment, Identifier [Axis]: PS Op Holdings LLC, Class A Common Units      
Schedule of Investments [Line Items]      
Units (in shares) 248,271 [22],[23],[24] 248,271 [26],[27],[58]  
Amortized Cost $ 4,300,000 [22],[23],[24] $ 4,300,000 [26],[27],[58]  
Fair Value $ 3,950,000 [22],[23],[24] $ 4,300,000 [26],[27],[58]  
Percentage of Net Assets 0.10% [22],[23],[24] 0.10% [26],[27],[58]  
Investment, Identifier [Axis]: PS Operating Company LLC (fka QC Supply, LLC) | Investment income from controlled, affiliated investments:      
Schedule of Investments [Line Items]      
Fair Value $ 20,196,000 $ 19,495,000 0
Investment, Identifier [Axis]: PS Operating Company LLC (fka QC Supply, LLC), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.00% [11],[13],[22] 6.00% [15],[17],[58]  
Par / Units $ 13,241,000 [11],[13],[22] $ 13,241,000 [15],[17],[58]  
Amortized Cost 12,976,000 [11],[13],[22] 12,979,000 [15],[17],[58]  
Fair Value $ 12,778,000 [11],[13],[22] $ 12,976,000 [15],[17],[58]  
Percentage of Net Assets 0.20% [11],[13],[22] 0.20% [15],[17],[58]  
Investment, Identifier [Axis]: PS Operating Company LLC (fka QC Supply, LLC), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 6.00% [11],[13],[19],[22] 6.00% [15],[17],[20],[58]  
Par / Units $ 3,641,000 [11],[13],[19],[22] $ 2,319,000 [15],[17],[20],[58]  
Amortized Cost 3,531,000 [11],[13],[19],[22] 2,171,000 [15],[17],[20],[58]  
Fair Value $ 3,468,000 [11],[13],[19],[22] $ 2,219,000 [15],[17],[20],[58]  
Percentage of Net Assets 0.10% [11],[13],[19],[22] 0.00% [15],[17],[20],[58]  
Investment, Identifier [Axis]: Pacific BidCo Inc., First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[14],[19],[33],[34] 5.75%    
Par / Units [11],[12],[14],[19],[33],[34] $ 0    
Amortized Cost [11],[12],[14],[19],[33],[34] (42,000)    
Fair Value [11],[12],[14],[19],[33],[34] $ (43,000)    
Percentage of Net Assets [11],[12],[14],[19],[33],[34] 0.00%    
Investment, Identifier [Axis]: Pacific BidCo Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[14],[30] 5.75%    
Par / Units [11],[12],[14],[30] $ 30,924,000    
Amortized Cost [11],[12],[14],[30] 30,165,000    
Fair Value [11],[12],[14],[30] $ 30,151,000    
Percentage of Net Assets [11],[12],[14],[30] 0.50%    
Investment, Identifier [Axis]: Packaging Coordinators Midco, Inc., Second lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 7.00% [11],[12],[13] 7.00% [15],[16],[17]  
Par / Units $ 196,044,000 [11],[12],[13] $ 196,044,000 [15],[16],[17]  
Amortized Cost 192,738,000 [11],[12],[13] 192,494,000 [15],[16],[17]  
Fair Value $ 186,241,000 [11],[12],[13] $ 192,123,000 [15],[16],[17]  
Percentage of Net Assets 3.20% [11],[12],[13] 3.20% [15],[16],[17]  
Investment, Identifier [Axis]: Patriot Acquisition TopCo S.A.R.L (dba Corza Health, Inc.), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[14],[30] 6.75%    
Par / Units [11],[12],[14],[30] $ 135,717,000    
Amortized Cost [11],[12],[14],[30] 133,866,000    
Fair Value [11],[12],[14],[30] $ 133,681,000    
Percentage of Net Assets [11],[12],[14],[30] 2.30%    
Investment, Identifier [Axis]: Patriot Acquisition TopCo S.A.R.L (dba Corza Health, Inc.), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[17]   6.75%  
Par / Units [15],[16],[17]   $ 136,736,000  
Amortized Cost [15],[16],[17]   134,627,000  
Fair Value [15],[16],[17]   $ 135,027,000  
Percentage of Net Assets [15],[16],[17]   2.30%  
Investment, Identifier [Axis]: Patriot Acquisition TopCo S.A.R.L (dba Corza Health, Inc.), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 6.75% [11],[12],[14],[19],[33] 6.75% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[14],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (187,000) [11],[12],[14],[19],[33] (229,000) [15],[16],[20],[21]  
Fair Value $ (203,000) [11],[12],[14],[19],[33] $ (169,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[14],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Patriot Holdings SCSp (dba Corza Health Inc.), Class B Units      
Schedule of Investments [Line Items]      
Units (in shares) [12],[14],[23],[24] 97,833    
Amortized Cost [12],[14],[23],[24] $ 18,000    
Fair Value [12],[14],[23],[24] $ 1,109,000    
Percentage of Net Assets [12],[14],[23],[24] 0.00%    
Investment, Identifier [Axis]: Patriot Holdings SCSp (dba Corza Health, Inc.), Class A Units      
Schedule of Investments [Line Items]      
Interest [12],[14],[21],[24] 8.00%    
Interest, PIK [16],[27],[38]   8.00%  
Units (in shares) 7,104 [12],[14],[21],[24] 7,104 [16],[27],[38]  
Amortized Cost $ 8,101,000 [12],[14],[21],[24] $ 7,633,000 [16],[27],[38]  
Fair Value $ 7,942,000 [12],[14],[21],[24] $ 7,633,000 [16],[27],[38]  
Percentage of Net Assets 0.10% [12],[14],[21],[24] 0.10% [16],[27],[38]  
Investment, Identifier [Axis]: Patriot Holdings SCSp (dba Corza Health, Inc.), Class B Units      
Schedule of Investments [Line Items]      
Units (in shares) [16],[26],[27]   97,833  
Amortized Cost [16],[26],[27]   $ 18,000  
Fair Value [16],[26],[27]   $ 1,109,000  
Percentage of Net Assets [16],[26],[27]   0.00%  
Investment, Identifier [Axis]: Peraton Corp., Second lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 7.75% [11],[12],[28],[46] 7.75% [15],[16],[25]  
Par / Units $ 46,113,000 [11],[12],[28],[46] $ 47,500,000 [15],[16],[25]  
Amortized Cost 45,522,000 [11],[12],[28],[46] 46,840,000 [15],[16],[25]  
Fair Value $ 43,489,000 [11],[12],[28],[46] $ 47,263,000 [15],[16],[25]  
Percentage of Net Assets 0.70% [11],[12],[28],[46] 0.80% [15],[16],[25]  
Investment, Identifier [Axis]: Peter C. Foy & Associates Insurance Services, LLC (dba PCF Insurance Services), First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[20],[29],[36]   6.00%  
Par / Units [15],[16],[20],[29],[36]   $ 19,143,000  
Amortized Cost [15],[16],[20],[29],[36]   18,953,000  
Fair Value [15],[16],[20],[29],[36]   $ 18,952,000  
Percentage of Net Assets [15],[16],[20],[29],[36]   0.30%  
Investment, Identifier [Axis]: Peter C. Foy & Associates Insurance Services, LLC (dba PCF Insurance Services), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.00% [11],[12],[36] 6.00% [15],[16],[17]  
Par / Units $ 135,247,000 [11],[12],[36] $ 108,430,000 [15],[16],[17]  
Amortized Cost 134,037,000 [11],[12],[36] 107,368,000 [15],[16],[17]  
Fair Value $ 134,909,000 [11],[12],[36] $ 107,347,000 [15],[16],[17]  
Percentage of Net Assets 2.30% [11],[12],[36] 1.80% [15],[16],[17]  
Investment, Identifier [Axis]: Peter C. Foy & Associates Insurance Services, LLC (dba PCF Insurance Services), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 6.00% [11],[12],[19],[33] 6.00% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (52,000) [11],[12],[19],[33] (60,000) [15],[16],[20],[21]  
Fair Value $ (15,000) [11],[12],[19],[33] $ (62,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Phoenix Newco, Inc. (dba Parexel), Second lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.50% [11],[12],[28] 6.50% [15],[16],[25]  
Par / Units $ 190,000,000 [11],[12],[28] $ 190,000,000 [15],[16],[25]  
Amortized Cost 188,258,000 [11],[12],[28] 188,123,000 [15],[16],[25]  
Fair Value $ 185,250,000 [11],[12],[28] $ 188,100,000 [15],[16],[25]  
Percentage of Net Assets 3.20% [11],[12],[28] 3.20% [15],[16],[25]  
Investment, Identifier [Axis]: Picard Holdco, LLC, Series A Preferred Stock      
Schedule of Investments [Line Items]      
Interest [11],[12],[24],[30] 12.00%    
Interest, PIK [11],[12],[24],[30] 12.00%    
Units (in shares) [11],[12],[24],[30] 24,716    
Amortized Cost [11],[12],[24],[30] $ 23,975,000    
Fair Value [11],[12],[24],[30] $ 23,975,000    
Percentage of Net Assets [11],[12],[24],[30] 0.40%    
Investment, Identifier [Axis]: Plasma Buyer LLC (dba PathGroup), First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[33],[34] 5.75%    
Par / Units [11],[12],[19],[33],[34] $ 0    
Amortized Cost [11],[12],[19],[33],[34] (2,000)    
Fair Value [11],[12],[19],[33],[34] $ 0    
Percentage of Net Assets [11],[12],[19],[33],[34] 0.00%    
Investment, Identifier [Axis]: Plasma Buyer LLC (dba PathGroup), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[30] 5.75%    
Par / Units [11],[12],[30] $ 681,000    
Amortized Cost [11],[12],[30] 668,000    
Fair Value [11],[12],[30] $ 672,000    
Percentage of Net Assets [11],[12],[30] 0.00%    
Investment, Identifier [Axis]: Plasma Buyer LLC (dba PathGroup), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[33] 5.75%    
Par / Units [11],[12],[19],[33] $ 0    
Amortized Cost [11],[12],[19],[33] (1,000)    
Fair Value [11],[12],[19],[33] $ (1,000)    
Percentage of Net Assets [11],[12],[19],[33] 0.00%    
Investment, Identifier [Axis]: Pluralsight, LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 8.00% [11],[12],[28] 8.00% [15],[16],[36]  
Par / Units $ 99,450,000 [11],[12],[28] $ 99,450,000 [15],[16],[36]  
Amortized Cost 98,455,000 [11],[12],[28] 98,526,000 [15],[16],[36]  
Fair Value $ 98,952,000 [11],[12],[28] $ 98,455,000 [15],[16],[36]  
Percentage of Net Assets 1.70% [11],[12],[28] 1.70% [15],[16],[36]  
Investment, Identifier [Axis]: Pluralsight, LLC, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 8.00% [11],[12],[19],[33] 8.00% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (62,000) [11],[12],[19],[33] (55,000) [15],[16],[20],[21]  
Fair Value $ (31,000) [11],[12],[19],[33] $ (62,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Pregis Topco LLC, Second lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 7.09% [11],[12],[13] 6.95% [15],[16],[17]  
Par / Units $ 160,000,000 [11],[12],[13] $ 160,000,000 [15],[16],[17]  
Amortized Cost 157,655,000 [11],[12],[13] 157,467,000 [15],[16],[17]  
Fair Value $ 157,856,000 [11],[12],[13] $ 160,000,000 [15],[16],[17]  
Percentage of Net Assets 2.70% [11],[12],[13] 2.70% [15],[16],[17]  
Investment, Identifier [Axis]: Premier Imaging, LLC (dba LucidHealth), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.75% [11],[12],[28] 5.25% [15],[16],[25]  
Par / Units $ 42,998,000 [11],[12],[28] $ 42,998,000 [15],[16],[25]  
Amortized Cost 42,628,000 [11],[12],[28] 42,517,000 [15],[16],[25]  
Fair Value $ 42,353,000 [11],[12],[28] $ 42,675,000 [15],[16],[25]  
Percentage of Net Assets 0.70% [11],[12],[28] 0.70% [15],[16],[25]  
Investment, Identifier [Axis]: Project Alpine Co-Invest Fund, LP, LP Interest      
Schedule of Investments [Line Items]      
Units (in shares) [12],[14],[23],[24] 10,006    
Amortized Cost [12],[14],[23],[24] $ 10,006,000    
Fair Value [12],[14],[23],[24] $ 10,000,000    
Percentage of Net Assets [12],[14],[23],[24] 0.20%    
Investment, Identifier [Axis]: Project Hotel California Co-Invest Fund, L.P., LP Interest      
Schedule of Investments [Line Items]      
Units (in shares) [12],[14],[23],[24] 2,687    
Amortized Cost [12],[14],[23],[24] $ 2,687,000    
Fair Value [12],[14],[23],[24] $ 2,685,000    
Percentage of Net Assets [12],[14],[23],[24] 0.00%    
Investment, Identifier [Axis]: Project Power Buyer, LLC (dba PEC-Veriforce), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.00% [11],[12],[13] 6.00% [15],[16],[17]  
Par / Units $ 44,746,000 [11],[12],[13] $ 45,091,000 [15],[16],[17]  
Amortized Cost 44,385,000 [11],[12],[13] 44,664,000 [15],[16],[17]  
Fair Value $ 44,746,000 [11],[12],[13] $ 45,091,000 [15],[16],[17]  
Percentage of Net Assets 0.80% [11],[12],[13] 0.80% [15],[16],[17]  
Investment, Identifier [Axis]: Project Power Buyer, LLC (dba PEC-Veriforce), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 6.00% [11],[12],[19],[33] 6.00% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (17,000) [11],[12],[19],[33] (22,000) [15],[16],[20],[21]  
Fair Value $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Proofpoint, Inc., Second lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.25% [11],[12],[13],[46] 6.25% [15],[16],[17]  
Par / Units $ 19,600,000 [11],[12],[13],[46] $ 19,600,000 [15],[16],[17]  
Amortized Cost 19,512,000 [11],[12],[13],[46] 19,505,000 [15],[16],[17]  
Fair Value $ 18,792,000 [11],[12],[13],[46] $ 19,502,000 [15],[16],[17]  
Percentage of Net Assets 0.30% [11],[12],[13],[46] 0.30% [15],[16],[17]  
Investment, Identifier [Axis]: QAD, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.00% [11],[12],[28] 6.00% [15],[16],[44]  
Par / Units $ 26,439,000 [11],[12],[28] $ 26,571,000 [15],[16],[44]  
Amortized Cost 25,976,000 [11],[12],[28] 26,051,000 [15],[16],[44]  
Fair Value $ 25,778,000 [11],[12],[28] $ 26,040,000 [15],[16],[44]  
Percentage of Net Assets 0.40% [11],[12],[28] 0.40% [15],[16],[44]  
Investment, Identifier [Axis]: QAD, Inc., First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 6.00% [11],[12],[19],[33] 6.00% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [16],[20],[21]  
Amortized Cost (58,000) [11],[12],[19],[33] (67,000) [16],[20],[21]  
Fair Value $ (86,000) [11],[12],[19],[33] $ (69,000) [16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [16],[20],[21]  
Investment, Identifier [Axis]: Quva Pharma, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.50% [11],[12],[13] 5.50% [15],[16],[17]  
Par / Units $ 39,600,000 [11],[12],[13] $ 39,900,000 [15],[16],[17]  
Amortized Cost 38,616,000 [11],[12],[13] 38,802,000 [15],[16],[17]  
Fair Value $ 38,610,000 [11],[12],[13] $ 38,803,000 [15],[16],[17]  
Percentage of Net Assets 0.70% [11],[12],[13] 0.70% [15],[16],[17]  
Investment, Identifier [Axis]: Quva Pharma, Inc., First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 5.50% [11],[12],[19],[36] 5.50% [15],[16],[20],[21]  
Par / Units $ 1,760,000 [11],[12],[19],[36] $ 0 [15],[16],[20],[21]  
Amortized Cost 1,675,000 [11],[12],[19],[36] (103,000) [15],[16],[20],[21]  
Fair Value $ 1,660,000 [11],[12],[19],[36] $ (110,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[36] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: REALPAGE, INC., Second lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.50% [11],[12],[28],[46] 6.50% [15],[16],[25]  
Par / Units $ 34,500,000 [11],[12],[28],[46] $ 34,500,000 [15],[16],[25]  
Amortized Cost 34,054,000 [11],[12],[28],[46] 34,017,000 [15],[16],[25]  
Fair Value $ 33,226,000 [11],[12],[28],[46] $ 34,897,000 [15],[16],[25]  
Percentage of Net Assets 0.60% [11],[12],[28],[46] 0.60% [15],[16],[25]  
Investment, Identifier [Axis]: Recipe Acquisition Corp. (dba Roland Corporation), Second lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 9.00% [11],[30] 9.00% [15],[17]  
Par / Units $ 32,000,000 [11],[30] $ 32,000,000 [15],[17]  
Amortized Cost 31,950,000 [11],[30] 31,881,000 [15],[17]  
Fair Value $ 31,440,000 [11],[30] $ 30,080,000 [15],[17]  
Percentage of Net Assets 0.50% [11],[30] 0.50% [15],[17]  
Investment, Identifier [Axis]: Reef Global Acquisition LLC (fka Cheese Acquisition, LLC), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[36]   6.00%  
Interest, PIK [15],[16],[36]   1.25%  
Par / Units [15],[16],[36]   $ 134,585,000  
Amortized Cost [15],[16],[36]   133,921,000  
Fair Value [15],[16],[36]   $ 128,528,000  
Percentage of Net Assets [15],[16],[36]   2.20%  
Investment, Identifier [Axis]: Reef Global Acquisition LLC (fka Cheese Acquisition, LLC), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[20],[25]   4.75%  
Par / Units [15],[16],[20],[25]   $ 10,987,000  
Amortized Cost [15],[16],[20],[25]   10,982,000  
Fair Value [15],[16],[20],[25]   $ 10,251,000  
Percentage of Net Assets [15],[16],[20],[25]   0.20%  
Investment, Identifier [Axis]: Refresh Parent Holdings, Inc., First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[17],[20],[29]   6.50%  
Par / Units [15],[16],[17],[20],[29]   $ 28,463,000  
Amortized Cost [15],[16],[17],[20],[29]   28,098,000  
Fair Value [15],[16],[17],[20],[29]   $ 28,243,000  
Percentage of Net Assets [15],[16],[17],[20],[29]   0.50%  
Investment, Identifier [Axis]: Refresh Parent Holdings, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[17]   6.50%  
Par / Units [15],[16],[17]   $ 88,973,000  
Amortized Cost [15],[16],[17]   87,832,000  
Fair Value [15],[16],[17]   $ 88,306,000  
Percentage of Net Assets [15],[16],[17]   1.50%  
Investment, Identifier [Axis]: Refresh Parent Holdings, Inc., First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[17],[20]   6.50%  
Par / Units [15],[16],[17],[20]   $ 3,879,000  
Amortized Cost [15],[16],[17],[20]   3,746,000  
Fair Value [15],[16],[17],[20]   $ 3,799,000  
Percentage of Net Assets [15],[16],[17],[20]   0.10%  
Investment, Identifier [Axis]: Relativity ODA LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[28] 7.50%    
Interest, PIK 7.50% [11],[12],[28] 7.50% [15],[16],[25]  
Par / Units $ 81,625,000 [11],[12],[28] $ 77,263,000 [15],[16],[25]  
Amortized Cost 80,732,000 [11],[12],[28] 76,255,000 [15],[16],[25]  
Fair Value $ 81,216,000 [11],[12],[28] $ 76,297,000 [15],[16],[25]  
Percentage of Net Assets 1.40% [11],[12],[28] 1.30% [15],[16],[25]  
Investment, Identifier [Axis]: Relativity ODA LLC, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 6.50% [11],[12],[19],[33] 6.50% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (85,000) [11],[12],[19],[33] (98,000) [15],[16],[20],[21]  
Fair Value $ (37,000) [11],[12],[19],[33] $ (92,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Restore OMH Intermediate Holdings, Inc., Senior Preferred Stock      
Schedule of Investments [Line Items]      
Interest, PIK [16],[27],[38]   13.00%  
Units (in shares) [16],[27],[38]   2,616  
Amortized Cost [16],[27],[38]   $ 25,566,000  
Fair Value [16],[27],[38]   $ 25,506,000  
Percentage of Net Assets [16],[27],[38]   0.40%  
Investment, Identifier [Axis]: Rhea Acquisition Holdings, LP, Series A-2 Units      
Schedule of Investments [Line Items]      
Units (in shares) [12],[23],[24] 119,048    
Amortized Cost [12],[23],[24] $ 119,000    
Fair Value [12],[23],[24] $ 119,000    
Percentage of Net Assets [12],[23],[24] 0.00%    
Investment, Identifier [Axis]: Rhea Parent, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[30] 5.75%    
Par / Units [11],[12],[30] $ 772,000    
Amortized Cost [11],[12],[30] 758,000    
Fair Value [11],[12],[30] $ 753,000    
Percentage of Net Assets [11],[12],[30] 0.00%    
Investment, Identifier [Axis]: SWK BUYER, Inc. (dba Stonewall Kitchen), First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[33],[34] 5.25%    
Par / Units [11],[12],[19],[33],[34] $ 0    
Amortized Cost [11],[12],[19],[33],[34] (2,000)    
Fair Value [11],[12],[19],[33],[34] $ (3,000)    
Percentage of Net Assets [11],[12],[19],[33],[34] 0.00%    
Investment, Identifier [Axis]: SWK BUYER, Inc. (dba Stonewall Kitchen), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[43] 5.25%    
Par / Units [11],[12],[43] $ 753,000    
Amortized Cost [11],[12],[43] 739,000    
Fair Value [11],[12],[43] $ 734,000    
Percentage of Net Assets [11],[12],[43] 0.00%    
Investment, Identifier [Axis]: SWK BUYER, Inc. (dba Stonewall Kitchen), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[43] 5.25%    
Par / Units [11],[12],[19],[43] $ 70,000    
Amortized Cost [11],[12],[19],[43] 69,000    
Fair Value [11],[12],[19],[43] $ 51,000    
Percentage of Net Assets [11],[12],[19],[43] 0.00%    
Investment, Identifier [Axis]: Safety Products/JHC Acquisition Corp. (dba Justrite Safety Group), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[28] 4.50%    
Par / Units [11],[12],[28] $ 13,817,000    
Amortized Cost [11],[12],[28] 13,737,000    
Fair Value [11],[12],[28] $ 13,436,000    
Percentage of Net Assets [11],[12],[28] 0.20%    
Investment, Identifier [Axis]: Safety Products/JHC Acquisition Corp. (dba Justrite Safety Group), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[25]   4.50%  
Par / Units [15],[16],[25]   $ 13,923,000  
Amortized Cost [15],[16],[25]   13,829,000  
Fair Value [15],[16],[25]   $ 12,948,000  
Percentage of Net Assets [15],[16],[25]   0.20%  
Investment, Identifier [Axis]: SailPoint Technologies Holdings, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[35] 6.25%    
Par / Units [11],[12],[35] $ 45,640,000    
Amortized Cost [11],[12],[35] 44,688,000    
Fair Value [11],[12],[35] $ 44,677,000    
Percentage of Net Assets [11],[12],[35] 0.80%    
Investment, Identifier [Axis]: SailPoint Technologies Holdings, Inc., First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[33] 6.25%    
Par / Units [11],[12],[19],[33] $ 0    
Amortized Cost [11],[12],[19],[33] (85,000)    
Fair Value [11],[12],[19],[33] $ (92,000)    
Percentage of Net Assets [11],[12],[19],[33] 0.00%    
Investment, Identifier [Axis]: Sara Lee Frozen Bakery, LLC (fka KSLB Holdings, LLC), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 4.50% [11],[12],[28] 4.50% [15],[16],[25]  
Par / Units $ 43,522,000 [11],[12],[28] $ 43,860,000 [15],[16],[25]  
Amortized Cost 43,135,000 [11],[12],[28] 43,377,000 [15],[16],[25]  
Fair Value $ 40,693,000 [11],[12],[28] $ 41,668,000 [15],[16],[25]  
Percentage of Net Assets 0.70% [11],[12],[28] 0.70% [15],[16],[25]  
Investment, Identifier [Axis]: Sara Lee Frozen Bakery, LLC (fka KSLB Holdings, LLC), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 4.50% [11],[12],[19],[28] 3.50% [15],[16],[20],[21]  
Par / Units $ 8,400,000 [11],[12],[19],[28] $ 300,000 [15],[16],[20],[21],[32]  
Amortized Cost 8,367,000 [11],[12],[19],[28] 236,000 [15],[16],[20],[21],[32]  
Fair Value $ 7,815,000 [11],[12],[19],[28] $ (150,000) [15],[16],[20],[21],[32]  
Percentage of Net Assets 0.10% [11],[12],[19],[28] 0.00% [15],[16],[20],[21],[32]  
Investment, Identifier [Axis]: Securonix, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[30] 6.50%    
Par / Units [11],[12],[30] $ 847,000    
Amortized Cost [11],[12],[30] 840,000    
Fair Value [11],[12],[30] $ 845,000    
Percentage of Net Assets [11],[12],[30] 0.00%    
Investment, Identifier [Axis]: Securonix, Inc., First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[33] 6.50%    
Par / Units [11],[12],[19],[33] $ 0    
Amortized Cost [11],[12],[19],[33] (1,000)    
Fair Value [11],[12],[19],[33] $ 0    
Percentage of Net Assets [11],[12],[19],[33] 0.00%    
Investment, Identifier [Axis]: Shearer's Foods, LLC, Second lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 7.75% [11],[12],[28] 7.75% [15],[16],[25]  
Par / Units $ 120,000,000 [11],[12],[28] $ 120,000,000 [15],[16],[25]  
Amortized Cost 119,059,000 [11],[12],[28] 118,973,000 [15],[16],[25]  
Fair Value $ 118,200,000 [11],[12],[28] $ 120,000,000 [15],[16],[25]  
Percentage of Net Assets 2.00% [11],[12],[28] 2.00% [15],[16],[25]  
Investment, Identifier [Axis]: SimpliSafe Holding Corporation, First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[33],[34] 6.25%    
Par / Units [11],[12],[19],[33],[34] $ 0    
Amortized Cost [11],[12],[19],[33],[34] (7,000)    
Fair Value [11],[12],[19],[33],[34] $ (2,000)    
Percentage of Net Assets [11],[12],[19],[33],[34] 0.00%    
Investment, Identifier [Axis]: SimpliSafe Holding Corporation, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[35] 6.25%    
Par / Units [11],[12],[35] $ 6,157,000    
Amortized Cost [11],[12],[35] 6,041,000    
Fair Value [11],[12],[35] $ 6,080,000    
Percentage of Net Assets [11],[12],[35] 0.10%    
Investment, Identifier [Axis]: Skyline Holdco B, Inc. (dba Dodge Data & Analytics), Series A Preferred Stock      
Schedule of Investments [Line Items]      
Units (in shares) [16],[26],[27]   2,181,629  
Amortized Cost [16],[26],[27]   $ 3,272,000  
Fair Value [16],[26],[27]   $ 3,612,000  
Percentage of Net Assets [16],[26],[27]   0.10%  
Investment, Identifier [Axis]: Smarsh Inc., First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[33],[34] 6.50%    
Par / Units [11],[12],[19],[33],[34] $ 0    
Amortized Cost [11],[12],[19],[33],[34] (1,000)    
Fair Value [11],[12],[19],[33],[34] $ (2,000)    
Percentage of Net Assets [11],[12],[19],[33],[34] 0.00%    
Investment, Identifier [Axis]: Smarsh Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[30] 6.50%    
Par / Units [11],[12],[30] $ 762,000    
Amortized Cost [11],[12],[30] 755,000    
Fair Value [11],[12],[30] $ 750,000    
Percentage of Net Assets [11],[12],[30] 0.00%    
Investment, Identifier [Axis]: Smarsh Inc., First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[33] 6.50%    
Par / Units [11],[12],[19],[33] $ 0    
Amortized Cost [11],[12],[19],[33] 0    
Fair Value [11],[12],[19],[33] $ (1,000)    
Percentage of Net Assets [11],[12],[19],[33] 0.00%    
Investment, Identifier [Axis]: Sonny's Enterprises LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.75% [11],[12],[13] 6.75% [15],[16],[25]  
Par / Units $ 230,495,000 [11],[12],[13] $ 232,258,000 [15],[16],[25]  
Amortized Cost 227,397,000 [11],[12],[13] 228,600,000 [15],[16],[25]  
Fair Value $ 230,495,000 [11],[12],[13] $ 232,258,000 [15],[16],[25]  
Percentage of Net Assets 3.90% [11],[12],[13] 3.90% [15],[16],[25]  
Investment, Identifier [Axis]: Sonny's Enterprises LLC, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 6.75% [11],[12],[19],[33] 6.75% [15],[16],[20],[25]  
Par / Units $ 0 [11],[12],[19],[33] $ 2,567,000 [15],[16],[20],[25]  
Amortized Cost (204,000) [11],[12],[19],[33] 2,309,000 [15],[16],[20],[25]  
Fair Value $ 0 [11],[12],[19],[33] $ 2,567,000 [15],[16],[20],[25]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[25]  
Investment, Identifier [Axis]: Space Exploration Technologies Corp, Class C Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) [16],[26],[27]   936  
Amortized Cost [16],[26],[27]   $ 446,000  
Fair Value [16],[26],[27]   $ 524,000  
Percentage of Net Assets [16],[26],[27]   0.00%  
Investment, Identifier [Axis]: Space Exploration Technologies Corp., Class A Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 46,605 [12],[23],[24] 3,232 [16],[26],[27]  
Amortized Cost $ 2,557,000 [12],[23],[24] $ 1,557,000 [16],[26],[27]  
Fair Value $ 3,262,000 [12],[23],[24] $ 1,810,000 [16],[26],[27]  
Percentage of Net Assets 0.10% [12],[23],[24] 0.00% [16],[26],[27]  
Investment, Identifier [Axis]: Space Exploration Technologies Corp., Class C Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) [12],[23],[24] 9,360    
Amortized Cost [12],[23],[24] $ 446,000    
Fair Value [12],[23],[24] $ 655,000    
Percentage of Net Assets [12],[23],[24] 0.00%    
Investment, Identifier [Axis]: Spotless Brands, LLC, First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[34],[35] 6.50%    
Par / Units [11],[12],[19],[34],[35] $ 2,088,000    
Amortized Cost [11],[12],[19],[34],[35] 1,992,000    
Fair Value [11],[12],[19],[34],[35] $ 1,989,000    
Percentage of Net Assets [11],[12],[19],[34],[35] 0.00%    
Investment, Identifier [Axis]: Spotless Brands, LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[30] 6.50%    
Par / Units [11],[12],[30] $ 40,868,000    
Amortized Cost [11],[12],[30] 40,070,000    
Fair Value [11],[12],[30] $ 40,051,000    
Percentage of Net Assets [11],[12],[30] 0.70%    
Investment, Identifier [Axis]: Spotless Brands, LLC, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[35] 6.50%    
Par / Units [11],[12],[19],[35] $ 945,000    
Amortized Cost [11],[12],[19],[35] 919,000    
Fair Value [11],[12],[19],[35] $ 919,000    
Percentage of Net Assets [11],[12],[19],[35] 0.00%    
Investment, Identifier [Axis]: Sunshine Software Holdings, Inc. (dba Cornerstone OnDemand, Inc.), Series A Preferred Stock      
Schedule of Investments [Line Items]      
Interest [12],[21],[24] 10.50%    
Interest, PIK [16],[27],[38]   10.50%  
Units (in shares) 41,413 [12],[21],[24] 38,500 [16],[27],[38]  
Amortized Cost $ 40,528,000 [12],[21],[24] $ 38,401,000 [16],[27],[38]  
Fair Value $ 37,376,000 [12],[21],[24] $ 38,380,000 [16],[27],[38]  
Percentage of Net Assets 0.60% [12],[21],[24] 0.60% [16],[27],[38]  
Investment, Identifier [Axis]: Swipe Acquisition Corporation (dba PLI) | Investment income from controlled, affiliated investments:      
Schedule of Investments [Line Items]      
Fair Value $ 158,862,000 $ 108,061,000 99,297,000
Investment, Identifier [Axis]: Swipe Acquisition Corporation (dba PLI), First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest 8.00% [11],[12],[19],[22],[30],[34] 8.00% [15],[16],[17],[20],[29],[58]  
Par / Units $ 14,800,000 [11],[12],[19],[22],[30],[34] $ 10,899,000 [15],[16],[17],[20],[29],[58]  
Amortized Cost 14,800,000 [11],[12],[19],[22],[30],[34] 10,899,000 [15],[16],[17],[20],[29],[58]  
Fair Value $ 14,695,000 [11],[12],[19],[22],[30],[34] $ 10,635,000 [15],[16],[17],[20],[29],[58]  
Percentage of Net Assets 0.30% [11],[12],[19],[22],[30],[34] 0.20% [15],[16],[17],[20],[29],[58]  
Investment, Identifier [Axis]: Swipe Acquisition Corporation (dba PLI), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 8.00% [11],[12],[22],[35] 8.00% [15],[16],[17],[58]  
Par / Units $ 49,702,000 [11],[12],[22],[35] $ 50,044,000 [15],[16],[17],[58]  
Amortized Cost 49,180,000 [11],[12],[22],[35] 49,316,000 [15],[16],[17],[58]  
Fair Value $ 49,454,000 [11],[12],[22],[35] $ 49,419,000 [15],[16],[17],[58]  
Percentage of Net Assets 0.80% [11],[12],[22],[35] 0.80% [15],[16],[17],[58]  
Investment, Identifier [Axis]: Swipe Acquisition Corporation (dba PLI), Letter of Credit      
Schedule of Investments [Line Items]      
Interest 8.00% [11],[12],[19],[22] 8.00% [15],[16],[20],[58]  
Par / Units $ 0 [11],[12],[19],[22] $ 0 [15],[16],[20],[58]  
Amortized Cost 2,000 [11],[12],[19],[22] 3,000 [15],[16],[20],[58]  
Fair Value $ 0 [11],[12],[19],[22] $ 0 [15],[16],[20],[58]  
Percentage of Net Assets 0.00% [11],[12],[19],[22] 0.00% [15],[16],[20],[58]  
Investment, Identifier [Axis]: TC Holdings, LLC (dba TrialCard), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[17]   4.50%  
Par / Units [15],[16],[17]   $ 73,081,000  
Amortized Cost [15],[16],[17]   72,560,000  
Fair Value [15],[16],[17]   $ 73,081,000  
Percentage of Net Assets [15],[16],[17]   1.20%  
Investment, Identifier [Axis]: TC Holdings, LLC (dba TrialCard), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[20],[21]   4.50%  
Par / Units [15],[16],[20],[21]   $ 0  
Amortized Cost [15],[16],[20],[21]   (27,000)  
Fair Value [15],[16],[20],[21]   $ 0  
Percentage of Net Assets [15],[16],[20],[21]   0.00%  
Investment, Identifier [Axis]: TEMPO BUYER CORP. (dba Global Claims Services), First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[20],[21],[29]   5.50%  
Par / Units [15],[16],[20],[21],[29]   $ 0  
Amortized Cost [15],[16],[20],[21],[29]   (3,000)  
Fair Value [15],[16],[20],[21],[29]   $ (3,000)  
Percentage of Net Assets [15],[16],[20],[21],[29]   0.00%  
Investment, Identifier [Axis]: TEMPO BUYER CORP. (dba Global Claims Services), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[17]   5.50%  
Par / Units [15],[16],[17]   $ 1,089,000  
Amortized Cost [15],[16],[17]   1,068,000  
Fair Value [15],[16],[17]   $ 1,067,000  
Percentage of Net Assets [15],[16],[17]   0.00%  
Investment, Identifier [Axis]: TEMPO BUYER CORP. (dba Global Claims Services), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[20],[21]   5.50%  
Par / Units [15],[16],[20],[21]   $ 0  
Amortized Cost [15],[16],[20],[21]   (3,000)  
Fair Value [15],[16],[20],[21]   $ (3,000)  
Percentage of Net Assets [15],[16],[20],[21]   0.00%  
Investment, Identifier [Axis]: THG Acquisition, LLC (dba Hilb), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.75% [11],[12],[28] 5.75% [15],[16],[17]  
Par / Units $ 74,936,000 [11],[12],[28] $ 75,513,000 [15],[16],[17]  
Amortized Cost 73,719,000 [11],[12],[28] 74,093,000 [15],[16],[17]  
Fair Value $ 73,812,000 [11],[12],[28] $ 74,569,000 [15],[16],[17]  
Percentage of Net Assets 1.30% [11],[12],[28] 1.30% [15],[16],[17]  
Investment, Identifier [Axis]: THG Acquisition, LLC (dba Hilb), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 5.75% [11],[12],[19],[33] 5.75% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (122,000) [11],[12],[19],[33] (151,000) [15],[16],[20],[21]  
Fair Value $ (129,000) [11],[12],[19],[33] $ (107,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Tahoe Finco, LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.00% [11],[12],[14],[28] 6.00% [15],[16],[17],[18]  
Par / Units $ 123,256,000 [11],[12],[14],[28] $ 123,255,000 [15],[16],[17],[18]  
Amortized Cost 122,164,000 [11],[12],[14],[28] 122,057,000 [15],[16],[17],[18]  
Fair Value $ 121,099,000 [11],[12],[14],[28] $ 121,777,000 [15],[16],[17],[18]  
Percentage of Net Assets 2.10% [11],[12],[14],[28] 2.10% [15],[16],[17],[18]  
Investment, Identifier [Axis]: Tahoe Finco, LLC, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 6.00% [11],[12],[14],[19],[33] 6.00% [15],[16],[18],[20],[21]  
Par / Units $ 0 [11],[12],[14],[19],[33] $ 0 [15],[16],[18],[20],[21]  
Amortized Cost (77,000) [11],[12],[14],[19],[33] (89,000) [15],[16],[18],[20],[21]  
Fair Value $ (162,000) [11],[12],[14],[19],[33] $ (111,000) [15],[16],[18],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[14],[19],[33] 0.00% [15],[16],[18],[20],[21]  
Investment, Identifier [Axis]: Tall Tree Foods, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 7.25% [11],[28] 7.25% [15],[25]  
Par / Units $ 39,234,000 [11],[28] $ 39,684,000 [15],[25]  
Amortized Cost 39,234,000 [11],[28] 39,609,000 [15],[25]  
Fair Value $ 41,392,000 [11],[28] $ 40,477,000 [15],[25]  
Percentage of Net Assets 0.70% [11],[28] 0.70% [15],[25]  
Investment, Identifier [Axis]: Tamarack Intermediate, L.L.C. (dba Verisk 3E), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[43] 5.50%    
Par / Units [11],[12],[43] $ 857,000    
Amortized Cost [11],[12],[43] 841,000    
Fair Value [11],[12],[43] $ 838,000    
Percentage of Net Assets [11],[12],[43] 0.00%    
Investment, Identifier [Axis]: Tamarack Intermediate, L.L.C. (dba Verisk 3E), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[33] 5.50%    
Par / Units [11],[12],[19],[33] $ 0    
Amortized Cost [11],[12],[19],[33] (3,000)    
Fair Value [11],[12],[19],[33] $ (3,000)    
Percentage of Net Assets [11],[12],[19],[33] 0.00%    
Investment, Identifier [Axis]: Temop Buyer Corp. (dba Global Claims Services), First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[33],[34] 5.50%    
Par / Units [11],[12],[19],[33],[34] $ 0    
Amortized Cost [11],[12],[19],[33],[34] (3,000)    
Fair Value [11],[12],[19],[33],[34] $ (5,000)    
Percentage of Net Assets [11],[12],[19],[33],[34] 0.00%    
Investment, Identifier [Axis]: Temop Buyer Corp. (dba Global Claims Services), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[13] 5.50%    
Par / Units [11],[12],[13] $ 1,081,000    
Amortized Cost [11],[12],[13] 1,062,000    
Fair Value [11],[12],[13] $ 1,051,000    
Percentage of Net Assets [11],[12],[13] 0.00%    
Investment, Identifier [Axis]: Temop Buyer Corp. (dba Global Claims Services), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[31] 4.50%    
Par / Units [11],[12],[19],[31] $ 9,000    
Amortized Cost [11],[12],[19],[31] 7,000    
Fair Value [11],[12],[19],[31] $ 5,000    
Percentage of Net Assets [11],[12],[19],[31] 0.00%    
Investment, Identifier [Axis]: The NPD Group, L.P., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[35] 6.25%    
Interest, PIK [11],[12],[35] 2.75%    
Par / Units [11],[12],[35] $ 23,546,000    
Amortized Cost [11],[12],[35] 23,069,000    
Fair Value [11],[12],[35] $ 23,056,000    
Percentage of Net Assets [11],[12],[35] 0.40%    
Investment, Identifier [Axis]: The NPD Group, L.P., First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[33] 5.75%    
Par / Units [11],[12],[19],[33] $ 0    
Amortized Cost [11],[12],[19],[33] (29,000)    
Fair Value [11],[12],[19],[33] $ (31,000)    
Percentage of Net Assets [11],[12],[19],[33] 0.00%    
Investment, Identifier [Axis]: The Shade Store, LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 6.00% [11],[12],[28] 6.00% [15],[16],[17]  
Par / Units $ 9,023,000 [11],[12],[28] $ 9,091,000 [15],[16],[17]  
Amortized Cost 8,925,000 [11],[12],[28] 8,981,000 [15],[16],[17]  
Fair Value $ 8,797,000 [11],[12],[28] $ 8,977,000 [15],[16],[17]  
Percentage of Net Assets 0.20% [11],[12],[28] 0.20% [15],[16],[17]  
Investment, Identifier [Axis]: The Shade Store, LLC, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 6.00% [11],[12],[19],[33] 6.00% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (9,000) [11],[12],[19],[33] (11,000) [15],[16],[20],[21]  
Fair Value $ (23,000) [11],[12],[19],[33] $ (11,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Thunder Purchaser, Inc. (dba Vector Solutions), First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest 5.75% [11],[12],[13],[19],[34] 5.75% [15],[16],[20],[21],[29]  
Par / Units $ 3,938,000 [11],[12],[13],[19],[34] $ 0 [15],[16],[20],[21],[29]  
Amortized Cost 3,899,000 [11],[12],[13],[19],[34] 0 [15],[16],[20],[21],[29]  
Fair Value $ 3,789,000 [11],[12],[13],[19],[34] $ (41,000) [15],[16],[20],[21],[29]  
Percentage of Net Assets 0.10% [11],[12],[13],[19],[34] 0.00% [15],[16],[20],[21],[29]  
Investment, Identifier [Axis]: Thunder Purchaser, Inc. (dba Vector Solutions), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.75% [11],[12],[13] 5.75% [15],[16],[17]  
Par / Units $ 64,313,000 [11],[12],[13] $ 64,802,000 [15],[16],[17]  
Amortized Cost 63,766,000 [11],[12],[13] 64,189,000 [15],[16],[17]  
Fair Value $ 63,027,000 [11],[12],[13] $ 64,357,000 [15],[16],[17]  
Percentage of Net Assets 1.10% [11],[12],[13] 1.10% [15],[16],[17]  
Investment, Identifier [Axis]: Thunder Purchaser, Inc. (dba Vector Solutions), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 5.75% [11],[12],[13],[19] 5.75% [15],[16],[20],[21]  
Par / Units $ 1,316,000 [11],[12],[13],[19] $ 0 [15],[16],[20],[21]  
Amortized Cost 1,286,000 [11],[12],[13],[19] (35,000) [15],[16],[20],[21]  
Fair Value $ 1,239,000 [11],[12],[13],[19] $ (29,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[13],[19] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Thunder Topco L.P. (dba Vector Solutions), Common Units      
Schedule of Investments [Line Items]      
Units (in shares) 3,829,614 [12],[23],[24] 3,829,614 [16],[26],[27]  
Amortized Cost $ 3,830,000 [12],[23],[24] $ 3,830,000 [16],[26],[27]  
Fair Value $ 3,673,000 [12],[23],[24] $ 4,519,000 [16],[26],[27]  
Percentage of Net Assets 0.10% [12],[23],[24] 0.10% [16],[26],[27]  
Investment, Identifier [Axis]: Tivity Health, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[30] 6.00%    
Par / Units [11],[12],[30] $ 1,000,000    
Amortized Cost [11],[12],[30] 976,000    
Fair Value [11],[12],[30] $ 985,000    
Percentage of Net Assets [11],[12],[30] 0.00%    
Investment, Identifier [Axis]: Troon Golf, L.L.C, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[17]   6.00%  
Par / Units [15],[16],[17]   $ 283,073,000  
Amortized Cost [15],[16],[17]   281,736,000  
Fair Value [15],[16],[17]   $ 281,659,000  
Percentage of Net Assets [15],[16],[17]   4.70%  
Investment, Identifier [Axis]: Troon Golf, L.L.C, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[20],[21]   6.00%  
Par / Units [15],[16],[20],[21]   $ 0  
Amortized Cost [15],[16],[20],[21]   (99,000)  
Fair Value [15],[16],[20],[21]   $ (108,000)  
Percentage of Net Assets [15],[16],[20],[21]   0.00%  
Investment, Identifier [Axis]: Troon Golf, L.L.C., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[36] 5.75%    
Par / Units [11],[12],[36] $ 280,946,000    
Amortized Cost [11],[12],[36] 279,768,000    
Fair Value [11],[12],[36] $ 280,946,000    
Percentage of Net Assets [11],[12],[36] 4.80%    
Investment, Identifier [Axis]: Troon Golf, L.L.C., First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[33] 6.00%    
Par / Units [11],[12],[19],[33] $ 0    
Amortized Cost [11],[12],[19],[33] (83,000)    
Fair Value [11],[12],[19],[33] $ 0    
Percentage of Net Assets [11],[12],[19],[33] 0.00%    
Investment, Identifier [Axis]: USRP Holdings, Inc. (dba U.S. Retirement and Benefits Partners), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.50% [11],[12],[31] 5.50% [15],[16],[17]  
Par / Units $ 38,793,000 [11],[12],[31] $ 39,087,000 [15],[16],[17]  
Amortized Cost 38,145,000 [11],[12],[31] 38,349,000 [15],[16],[17]  
Fair Value $ 37,824,000 [11],[12],[31] $ 38,306,000 [15],[16],[17]  
Percentage of Net Assets 0.60% [11],[12],[31] 0.60% [15],[16],[17]  
Investment, Identifier [Axis]: USRP Holdings, Inc. (dba U.S. Retirement and Benefits Partners), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 5.50% [11],[12],[19],[33] 5.50% [15],[16],[17],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 71,000 [15],[16],[17],[20],[21]  
Amortized Cost (68,000) [11],[12],[19],[33] (8,000) [15],[16],[17],[20],[21]  
Fair Value $ (106,000) [11],[12],[19],[33] $ (14,000) [15],[16],[17],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[17],[20],[21]  
Investment, Identifier [Axis]: Ultimate Baked Goods Midco, LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [15],[16]   6.25%  
Par / Units [15],[16],[44]   $ 82,053,000  
Amortized Cost [15],[16],[44]   80,108,000  
Fair Value [15],[16],[44]   $ 80,003,000  
Percentage of Net Assets [15],[16],[44]   1.30%  
Investment, Identifier [Axis]: Ultimate Baked Goods Midco, LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[13] 6.50%    
Par / Units [11],[12],[13] $ 81,439,000    
Amortized Cost [11],[12],[13] 79,721,000    
Fair Value [11],[12],[13] $ 78,181,000    
Percentage of Net Assets [11],[12],[13] 1.30%    
Investment, Identifier [Axis]: Ultimate Baked Goods Midco, LLC, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 6.50% [11],[12],[13],[19] 6.25% [15],[16],[20],[36]  
Par / Units $ 6,962,000 [11],[12],[13],[19] $ 5,222,000 [15],[16],[20],[36]  
Amortized Cost 6,761,000 [11],[12],[13],[19] 4,989,000 [15],[16],[20],[36]  
Fair Value $ 6,564,000 [11],[12],[13],[19] $ 4,973,000 [15],[16],[20],[36]  
Percentage of Net Assets 0.10% [11],[12],[13],[19] 0.10% [15],[16],[20],[36]  
Investment, Identifier [Axis]: Unified Women's Healthcare, LP, First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[34] 5.50%    
Par / Units [11],[12],[19],[34] $ 0    
Amortized Cost [11],[12],[19],[34] 0    
Fair Value [11],[12],[19],[34] $ 0    
Percentage of Net Assets [11],[12],[19],[34] 0.00%    
Investment, Identifier [Axis]: Unified Women's Healthcare, LP, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[35] 5.50%    
Par / Units [11],[12],[35] $ 858,000    
Amortized Cost [11],[12],[35] 852,000    
Fair Value [11],[12],[35] $ 858,000    
Percentage of Net Assets [11],[12],[35] 0.00%    
Investment, Identifier [Axis]: Unified Women's Healthcare, LP, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[33] 5.50%    
Par / Units [11],[12],[19],[33] $ 0    
Amortized Cost [11],[12],[19],[33] (1,000)    
Fair Value [11],[12],[19],[33] $ 0    
Percentage of Net Assets [11],[12],[19],[33] 0.00%    
Investment, Identifier [Axis]: VEPF Torreys Aggregator, LLC (dba MINDBODY, Inc.), Series A Preferred Stock      
Schedule of Investments [Line Items]      
Interest [12],[21],[24] 6.00%    
Interest, PIK 6.00% [12],[21],[24] 6.00% [16],[27],[38]  
Units (in shares) 21,250 [12],[21],[24] 21,500 [16],[27],[38]  
Amortized Cost $ 22,218,000 [12],[21],[24] $ 21,250,000 [16],[27],[38]  
Fair Value $ 20,772,000 [12],[21],[24] $ 21,250,000 [16],[27],[38]  
Percentage of Net Assets 0.40% [12],[21],[24] 0.40% [16],[27],[38]  
Investment, Identifier [Axis]: Valence Surface Technologies LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 7.75% [11],[12],[30] 6.75% [15],[16],[49]  
Interest, PIK [15],[16],[49]   1.00%  
Par / Units $ 126,269,000 [11],[12],[30] $ 121,823,000 [15],[16],[36]  
Amortized Cost 125,347,000 [11],[12],[30] 120,674,000 [15],[16],[36]  
Fair Value $ 101,016,000 [11],[12],[30] $ 110,249,000 [15],[16],[36]  
Percentage of Net Assets 1.70% [11],[12],[30] 1.90% [15],[16],[36]  
Investment, Identifier [Axis]: Valence Surface Technologies LLC, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[17],[20]   6.75%  
Interest, PIK [15],[16],[17],[20]   1.00%  
Par / Units [15],[16],[17],[20]   $ 9,984,000  
Amortized Cost [15],[16],[17],[20]   9,897,000  
Fair Value [15],[16],[17],[20]   $ 9,031,000  
Percentage of Net Assets [15],[16],[17],[20]   0.20%  
Investment, Identifier [Axis]: Valence Surface Technologies LLC, First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[19],[30] 7.75%    
Par / Units [11],[12],[19],[30] $ 10,263,000    
Amortized Cost [11],[12],[19],[30] 10,194,000    
Fair Value [11],[12],[19],[30] $ 8,201,000    
Percentage of Net Assets [11],[12],[19],[30] 0.10%    
Investment, Identifier [Axis]: Velocity HoldCo III Inc. (dba VelocityEHS), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.75% [11],[12],[13] 5.75% [15],[16],[17]  
Par / Units $ 22,048,000 [11],[12],[13] $ 22,215,000 [15],[16],[17]  
Amortized Cost 21,652,000 [11],[12],[13] 21,763,000 [15],[16],[17]  
Fair Value $ 22,048,000 [11],[12],[13] $ 21,771,000 [15],[16],[17]  
Percentage of Net Assets 0.40% [11],[12],[13] 0.40% [15],[16],[17]  
Investment, Identifier [Axis]: Velocity HoldCo III Inc. (dba VelocityEHS), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 5.75% [11],[12],[19],[33] 5.75% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (21,000) [11],[12],[19],[33] (26,000) [15],[16],[20],[21]  
Fair Value $ 0 [11],[12],[19],[33] $ (27,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Vermont Aus Pty Ltd, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest [11],[12],[14],[30] 5.65%    
Par / Units [11],[12],[14],[30] $ 995,000    
Amortized Cost [11],[12],[14],[30] 972,000    
Fair Value [11],[12],[14],[30] $ 968,000    
Percentage of Net Assets [11],[12],[14],[30] 0.00%    
Investment, Identifier [Axis]: WMC Bidco, Inc. (dba West Monroe), Senior Preferred Stock      
Schedule of Investments [Line Items]      
Interest [12],[21],[24] 11.25%    
Interest, PIK [12],[21],[24] 11.25%    
Units (in shares) [12],[21],[24] 18,444    
Amortized Cost [12],[21],[24] $ 18,044,000    
Fair Value [12],[21],[24] $ 17,245,000    
Percentage of Net Assets [12],[21],[24] 0.30%    
Investment, Identifier [Axis]: WMC Bidco, Inc., Senior Preferred Stock      
Schedule of Investments [Line Items]      
Interest, PIK [16],[27],[38]   11.25%  
Units (in shares) [16],[27],[38]   16,692  
Amortized Cost [16],[27],[38]   $ 16,247,000  
Fair Value [16],[27],[38]   $ 16,233,000  
Percentage of Net Assets [16],[27],[38]   0.30%  
Investment, Identifier [Axis]: WP Irving Co-Invest, L.P., Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) [12],[14],[23],[24] 1,250,000    
Amortized Cost [12],[14],[23],[24] $ 1,250,000    
Fair Value [12],[14],[23],[24] $ 1,250,000    
Percentage of Net Assets [12],[14],[23],[24] 0.00%    
Investment, Identifier [Axis]: WU Holdco, Inc. (dba Weiman Products, LLC), First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Interest [15],[16],[20],[21],[29]   5.50%  
Par / Units [15],[16],[20],[21],[29]   $ 0  
Amortized Cost [15],[16],[20],[21],[29]   (129,000)  
Fair Value [15],[16],[20],[21],[29]   $ 0  
Percentage of Net Assets [15],[16],[20],[21],[29]   0.00%  
Investment, Identifier [Axis]: WU Holdco, Inc. (dba Weiman Products, LLC), First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.50% [11],[12],[13] 5.50% [15],[16],[17]  
Par / Units $ 203,387,000 [11],[12],[13] $ 190,078,000 [15],[16],[17]  
Amortized Cost 200,833,000 [11],[12],[13] 187,304,000 [15],[16],[17]  
Fair Value $ 199,828,000 [11],[12],[13] $ 190,078,000 [15],[16],[17]  
Percentage of Net Assets 3.40% [11],[12],[13] 3.20% [15],[16],[17]  
Investment, Identifier [Axis]: WU Holdco, Inc. (dba Weiman Products, LLC), First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 5.50% [11],[12],[19],[36] 5.50% [15],[16],[17],[20]  
Par / Units $ 9,987,000 [11],[12],[19],[36] $ 5,762,000 [15],[16],[17],[20]  
Amortized Cost 9,808,000 [11],[12],[19],[36] 5,529,000 [15],[16],[17],[20]  
Fair Value $ 9,651,000 [11],[12],[19],[36] $ 5,762,000 [15],[16],[17],[20]  
Percentage of Net Assets 0.20% [11],[12],[19],[36] 0.10% [15],[16],[17],[20]  
Investment, Identifier [Axis]: Walker Edison Furniture Company LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 8.75% [11],[12],[13],[47] 8.75% [15],[16],[17]  
Interest, PIK 3.00% [11],[12],[13],[47] 3.00% [15],[16],[17]  
Par / Units $ 85,557,000 [11],[12],[13],[47] $ 84,258,000 [15],[16],[17]  
Amortized Cost 83,191,000 [11],[12],[13],[47] 84,258,000 [15],[16],[17]  
Fair Value $ 59,035,000 [11],[12],[13],[47] $ 80,047,000 [15],[16],[17]  
Percentage of Net Assets 1.00% [11],[12],[13],[47] 1.30% [15],[16],[17]  
Investment, Identifier [Axis]: When I Work, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 7.00% [11],[12],[13] 6.00% [15],[16],[17]  
Interest, PIK [11],[12],[13] 7.00%    
Par / Units $ 5,134,000 [11],[12],[13] $ 4,932,000 [15],[16],[17]  
Amortized Cost 5,091,000 [11],[12],[13] 4,884,000 [15],[16],[17]  
Fair Value $ 5,031,000 [11],[12],[13] $ 4,883,000 [15],[16],[17]  
Percentage of Net Assets 0.10% [11],[12],[13] 0.10% [15],[16],[17]  
Investment, Identifier [Axis]: When I Work, Inc., First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Interest 6.00% [11],[12],[19],[33] 6.00% [15],[16],[20],[21]  
Par / Units $ 0 [11],[12],[19],[33] $ 0 [15],[16],[20],[21]  
Amortized Cost (8,000) [11],[12],[19],[33] (9,000) [15],[16],[20],[21]  
Fair Value $ (18,000) [11],[12],[19],[33] $ (9,000) [15],[16],[20],[21]  
Percentage of Net Assets 0.00% [11],[12],[19],[33] 0.00% [15],[16],[20],[21]  
Investment, Identifier [Axis]: Windows Entities, LLC Units      
Schedule of Investments [Line Items]      
Units (in shares) 31,849 [12],[24],[62] 31,826 [16],[18],[26],[27],[63]  
Amortized Cost $ 60,319,000 [12],[24],[62] $ 56,944,000 [16],[18],[26],[27],[63]  
Fair Value $ 106,939,000 [12],[24],[62] $ 103,561,000 [16],[18],[26],[27],[63]  
Percentage of Net Assets 1.80% [12],[24],[62] 1.70% [16],[18],[26],[27],[63]  
Investment, Identifier [Axis]: Wingspire Capital Holdings LLC | Investment income from controlled, affiliated investments:      
Schedule of Investments [Line Items]      
Fair Value $ 412,058,000 $ 242,163,000 $ 67,538,000
Investment, Identifier [Axis]: Wingspire Capital Holdings LLC, LLC Interest      
Schedule of Investments [Line Items]      
Units (in shares) 354,145 [19],[22],[24],[42] 198,038 [20],[27],[55],[58]  
Amortized Cost $ 354,145,000 [19],[22],[24],[42] $ 198,038,000 [20],[27],[55],[58]  
Fair Value $ 412,058,000 [19],[22],[24],[42] $ 242,163,000 [20],[27],[55],[58]  
Percentage of Net Assets 7.00% [19],[22],[24],[42] 4.10% [20],[27],[55],[58]  
Investment, Identifier [Axis]: Zenith Energy U.S. Logistics Holdings, LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Interest 5.50% [11],[12],[13] 5.50% [15],[16],[17]  
Par / Units $ 64,476,000 [11],[12],[13] $ 64,476,000 [15],[16],[17]  
Amortized Cost 63,905,000 [11],[12],[13] 63,728,000 [15],[16],[17]  
Fair Value $ 64,476,000 [11],[12],[13] $ 64,476,000 [15],[16],[17]  
Percentage of Net Assets 1.10% [11],[12],[13] 1.10% [15],[16],[17]  
[1] As of September 30, 2022, the net estimated unrealized loss for U.S. federal income tax purposes was $189.9 million based on a tax cost basis $13.0 billion. As of September 30, 2022, the estimated aggregate gross unrealized loss for U.S. federal income tax purposes was $413.0 million and the estimated aggregate gross unrealized gain for U.S. federal income tax purposes was $223.1 million.
[2] Certain portfolio company investments are subject to contractual restrictions on sales. Refer to footnote 30 for additional information on our restricted securities.
[3] The amortized cost represents the original cost adjusted for the amortization or accretion of premium or discount , as applicable, on debt investments using the effective interest method.
[4] Unless otherwise indicated, all investments are considered Level 3 investments.
[5] 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 6 “Debt”.
[6] As of December 31, 2021, the net estimated unrealized loss for U.S. federal income tax purposes was $36.8 million based on a tax cost basis of $12.8 billion. As of December 31, 2021, the estimated aggregate gross unrealized loss for U.S. federal income tax purposes was $217.6 million and the estimated aggregate gross unrealized gain for U.S. federal income tax purposes was $180.8 million.
[7] Certain portfolio company investments are subject to contractual restrictions on sales.
[8] The amortized cost represents the original cost adjusted for the amortization of discounts and premiums, as applicable, on debt investments using the effective interest method.
[9] Unless otherwise indicated, all investments are considered Level 3 investments.
[10] 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 6 “Debt”.
[11] Loan contains a variable rate structure and may be subject to an interest rate floor. Variable rate loans bear interest at a rate that may be determined by reference to either the London Interbank Offered Rate (“LIBOR” or “L”, which can include one-, three-, six- or twelve- month LIBOR), Secured Overnight Financing Rate ("SOFR" or "S," which can include one-, three- or six- month SOFR), Euro Interbank Offered Rate (“EURIBOR”), Great Britain Pound London Interbank Offered Rate (“GBPLIBOR” or “G”, which can include three- or six-month GBPLIBOR), SONIA ("SONIA” or "SA") or an alternate base rate (which can include the Federal Funds Effective Rate or the Prime Rate), at the borrower’s option, and which reset periodically based on the terms of the loan agreement.
[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] The interest rate on these loans is subject to 3 month LIBOR, which as of September 30, 2022 was 3.75%.
[14] This portfolio company is not a qualifying asset under Section 55(a) of the Investment Company Act of 1940, as amended (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 September 30, 2022, non-qualifying assets represented 13.5% of total assets as calculated in accordance with the regulatory requirements.
[15] Loan contains a variable rate structure and may be subject to an interest rate floor. Variable rate loans bear interest at a rate that may be determined by reference to either the London Interbank Offered Rate (“LIBOR” or “L”, which can include one-, two-, three- or six-month LIBOR), Euro Interbank Offered Rate (“EURIBOR” or “E”, which can include one-, two-, three- or six-month EURIBOR), SONIA (“SONIA” or “S”), or an alternate base rate (which can include the Federal Funds Effective Rate or the Prime Rate), at the borrower’s option, and which reset periodically based on the terms of the loan agreement.
[16] 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.”
[17] The interest rate on these loans is subject to 3 month LIBOR, which as of December 31, 2021 was 0.21%.
[18] This portfolio company is not a qualifying asset under Section 55(a) of the Investment Company Act of 1940, as amended (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, 2021, non-qualifying assets represented 9.9% of total assets as calculated in accordance with the regulatory requirements.
[19] Contains a fixed-rate structure.
[20] Position or portion thereof is an unfunded loan or equity commitment. See Note 7 “Commitments and Contingencies”.
[21] The negative cost is the result of the capitalized discount being greater than the principal amount outstanding on the loan. The negative fair value is the result of the capitalized discount on the loan.
[22] As defined in the 1940 Act, the Company is deemed to be both an “Affiliated Person” and has “Control” of this portfolio company as the Company owns more than 25% of the portfolio company’s outstanding voting securities or has the power to exercise control over management or policies of such portfolio company, including through a management agreement (“controlled affiliate”). The Company’s investment in controlled affiliates for the period ended September 30, 2022, were as follows:
($ in thousands)Fair value
as of December 31, 2021
Gross Additions
(a)
Gross Reductions(b)Change in Unrealized Gains (Losses)Fair value
as of September 30, 2022
Interest IncomeDividend IncomeOther Income
Controlled Affiliates
AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC(d)$— $$— $(5)$— $— $— $— 
AAM Series 2.1 Aviation Feeder, LLC(d)— 1,373 — (5)1,368 — — — 
ORCC Senior Loan Fund LLC (fka Sebago Lake LLC)(c)247,061 118,124 (22,750)(28,525)313,910 — 23,963 — 
PS Operating Company LLC (fka QC Supply, LLC)19,495 2,470 (1,112)(657)20,196 947 — 
Swipe Acquisition Corporation (dba PLI)108,061 4,210 (445)47,036 158,862 4,820 6,673 513 
Wingspire Capital Holdings LLC242,163 189,682 (33,575)13,788 412,058 — 28,500 — 
Total Controlled Affiliates$616,780 $315,864 $(57,882)$31,632 $906,394 $5,767 $59,136 $520 
________________
(a)Gross additions may include increases in the cost basis of investments resulting from new investments, amounts related to payment-in-kind (“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 and the movement at fair value of an existing portfolio company into this controlled affiliated category 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 ORCC Senior Loan Fund LLC (fka Sebago Lake LLC), 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.
[23] Investment is non-income producing.
[24] 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 September 30, 2022, the aggregate fair value of these securities is $1.5 billion or 25.4% 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**LLC InterestJuly 1, 2022
AAM Series 2.1 Aviation Feeder, LLC**LLC InterestJuly 1, 2022
Amergin Asset Management, LLCClass A UnitsJuly 1, 2022
Accelerate topco Holdings, LLCCommon UnitsSeptember 1, 2022
ASP Conair Holdings LPClass A UnitsMay 17, 2021
Associations Finance, Inc.Preferred StockJune 10, 2022
Windows EntitiesLLC UnitsJanuary 16, 2020
BCTO WIW Holdings, Inc. (dba When I Work)Class A Common StockNovember 2, 2021
BEHP Co-Investor II, L.P.LP InterestMay 11, 2022
WP Irving Co-Invest, L.P.Partnership UnitsMay 18, 2022
Blend Labs, Inc.WarrantsJuly 2, 2021
Brooklyn Lender Co-Invest 2, L.P. (dba Boomi)Common UnitsOctober 1, 2021
CD&R Value Building Partners I, L.P. (dba Belron)LP InterestDecember 2, 2021
Chapford SMA Partnership, L.P.**LP InterestJuly 18, 2022
Denali Holding, LP (dba Summit Companies)Class A UnitsSeptember 15, 2021
Dodge Contruction Network Holdings, LPClass A-2 Common UnitsFebruary 23, 2022
Dodge Contruction Network Holdings, LPSeries A Preferred UnitsFebruary 23, 2022
Elliott Alto Co-Investor Aggregator L.P.LP InterestSeptember 28, 2022
Picard Holdco, LLCSeries A Preferred StockSeptember 29, 2022
Evology, LLCClass B UnitsJanuary 24, 2022
Evolution Parent, LP (dba SIAA)LP InterestApril 30, 2021
Gloves Holdings, LP (dba Protective Industrial Products)LP InterestDecember 29, 2020
GrowthCurve Capital Sunrise Co-Invest LP (dba Brightway)LP InterestDecember 16, 2021
Hercules Buyer, LLC (dba The Vincit Group)Common UnitsDecember 15, 2020
Hissho Sushi Holdings, LLCClass A unitsMay 17, 2022
Insight CP (Blocker) Holdings, L.P. (dba CivicPlus, LLC)LP InterestJune 8, 2022
Knockout Intermediate Holdings I Inc. (dba Kaseya)Perpetual Preferred StockJune 23, 2022
KOBHG Holdings, L.P. (dba OB Hospitalist)Class A InterestsSeptember 27, 2021
Maia Aggregator, LPClass A-2 UnitsFebruary 1, 2022
H-Food Holdings, LLCLLC InterestNovember 23, 2018
MessageBird Holding B.V.Extended Series C WarrantsMay 5, 2021
Metis HoldCo, Inc. (dba Mavis Tire Express Services)Series A Convertible Preferred StockMay 4, 2021
Minerva Holdco, Inc.Series A Preferred StockFebruary 15, 2022
KPCI Holdings, L.P.Class A UnitsNovember 30, 2020
Patriot Holdings SCSp (dba Corza Health, Inc.)*Class B UnitsJanuary 29, 2021
Patriot Holdings SCSp (dba Corza Health, Inc.)Class A UnitsJanuary 29, 2021
PCF Holdco, LLC (dba PCF Insurance Services)Class A UnitsNovember 1, 2021
Project Alpine Co-Invest Fund,
LP
LP InterestJune 10, 2022
Project Hotel California Co-Invest Fund, L.P. LP InterestAugust 9, 2022
PS Op Holdings LLC (fka QC Supply, LLC)**Class A Common UnitsDecember 21, 2021
Rhea Acquisition Holdings, LPSeries A-2 UnitsFebruary 18, 2022
ORCC Senior Loan Fund LLC (fka Sebago Lake LLC)*LLC InterestJune 20, 2017
Space Exploration Technologies Corp.Class A Common StockMarch 25, 2021
Space Exploration Technologies Corp.Class C Common StockMarch 25, 2021
Sunshine Software Holdings, Inc. (dba Cornerstone OnDemand)Series A Preferred StockOctober 14, 2021
New PLI Holdings, LLC (dba PLI)**Class A Common UnitsDecember 23, 2020
Thunder Topco L.P. (dba Vector Solutions)Common UnitsJune 30, 2021
VEPF Torreys Aggregator, LLC (dba MINDBODY, Inc.)Series A Preferred StockOctober 15, 2021
Wingspire Capital Holdings LLC**LLC InterestSeptember 24, 2019
WMC Bidco, Inc. (dba West Monroe)Senior Preferred StockNovember 9, 2021
* Refer to Note 4 “Investments – ORCC Senior Loan Fund LLC,” for further information.
** Refer to Note 3 “Agreements and Related Party Transactions – Controlled/Affiliated Portfolio Companies”.
[25] The interest rate on these loans is subject to 1 month LIBOR, which as of December 31, 2021 was 0.10%.
[26] Investment is non-income producing.
[27] 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, 2021, the aggregate fair value of these securities is $1.1 billion or 18.3% of the Company’s net assets. The acquisition dates of the restricted securities are as follows:
Portfolio CompanyInvestmentAcquisition Date
ASP Conair Holdings LPClass A UnitsMay 17, 2021
BCTO WIW Holdings, Inc. (dba When I Work)Class A Common StockNovember 2, 2021
Blend Labs, Inc.Common StockFebruary 24, 2021
Blend Labs, Inc.WarrantsJuly 2, 2021
Brooklyn Lender Co-Invest 2, L.P.Common UnitsOctober 1, 2021
CD&R Value Building Partners I, L.P.LP InterestDecember 2, 2021
Denali Holding LP (dba Summit Companies)Class A UnitsSeptember 15, 2021
Evolution Parent, LP (dba SIAA)LP InterestApril 30, 2021
KOBHG Holdings, L.P. (dba OB Hospitalist)Class A InterestsSeptember 27, 2021
Gloves Holdings, LP (dba Protective Industrial Products)LP InterestDecember 29, 2020
GrowthCurve Capital Sunrise Co-Invest LPLP InterestDecember 16, 2021
Hercules Buyer, LLC (dba The Vincit Group)Common UnitsDecember 15, 2020
H-Food Holdings, LLCLLC InterestNovember 23, 2018
KPCI Holdings, LPClass A UnitsNovember 30, 2020
MessageBird Holding B.V.Extended Series C WarrantsMay 5, 2021
Metis HoldCo, Inc. (dba Mavis Tire Express Services)Series A Convertible Preferred StockMay 4, 2021
New PLI Holdings, LLCClass A Common UnitsDecember 23, 2020
ORCC Senior Loan Fund LLC (fka Sebago Lake LLC)LLC InterestJune 20, 2017
Patriot Holdings SCSp (dba Corza Health, Inc.)Class A UnitsJanuary 29, 2021
Patriot Holdings SCSp (dba Corza Health, Inc.)Class B UnitsJanuary 29, 2021
PCF Holdco, LLC (dba PCF Insurance Services)Class A UnitsNovember 1, 2021
PCF Holdco, LLC (dba PCF Insurance Services)Class A WarrantsOctober 29, 2021
PS Op Holdings LLCClass A Common UnitsDecember 21, 2021
Restore OMH Intermediate Holdings, Inc.Senior Preferred StockDecember 9, 2020
Skyline Holdco B, Inc. (dba Dodge Data & Analytics)Series A Preferred StockApril 14, 2021
Space Exploration Technologies Corp.Class A Common StockMarch 25, 2021
Space Exploration Technologies Corp.Class C Common StockMarch 25, 2021
Sunshine Software Holdings, Inc. (dba Cornerstone OnDemand, Inc.)Series A Preferred StockOctober 14, 2021
Thunder Topco L.P. (dba Vector Solutions)Common UnitsJune 30, 2021
VEPF Torreys Aggregator, LLC (dba MINDBODY, Inc.)Series A Preferred StockOctober 15, 2021
Windows EntitiesLLC UnitsJanuary 16, 2020
Wingspire Capital Holdings LLCLLC InterestSeptember 24, 2019
WMC Bidco, Inc.Senior Preferred StockNovember 9, 2021
* Refer to Note 4 “Investments – ORCC Senior Loan Fund LLC,” for further information.
** Refer to Note 3 “Agreements and Related Party Transactions – Controlled/Affiliated Portfolio Companies”.
[28] The interest rate on these loans is subject to 1 month LIBOR, which as of September 30, 2022 was 3.14%.
[29] The date disclosed represents the commitment period of the unfunded term loan. Upon expiration of the commitment period, the funded portion of the term loan may be subject to a longer maturity date.
[30] The interest rate on these loans is subject to 1 month SOFR, which as of September 30, 2022 was 3.04%.
[31] The interest rate on these loans is subject to 6 month SOFR, which as of September 30, 2022 was 3.99%.
[32] The interest rate on these loans is subject to Prime, which as of December 31, 2021 was 3.25%.
[33] Position or portion thereof is an unfunded loan or equity commitment. See Note 7 “Commitments and Contingencies”.
[34] The negative cost is the result of the capitalized discount being greater than the principal amount outstanding on the loan. The negative fair value is the result of the capitalized discount on the loan.
[35] The interest rate on these loans is subject to 1 month SOFR, which as of September 30, 2022 was 3.04%.
[36] The interest rate on these loans is subject to 6 month LIBOR, which as of September 30, 2022 was 4.23%.
[37] The interest rate on this loan is subject to SONIA, which as of September 30, 2022 was 2.19%.
[38] Contains a fixed-rate structure.
[39] The interest rate on this loan is subject to 6 month EURIBOR, which as of September 30, 2022 was 1.81%.
[40] The interest rate on this loan is subject to SONIA, which as of December 31, 2021 was 0.26%.
[41] The interest rate on this loan is subject to 6 month EURIBOR, which as of December 31, 2021 was (0.55)%
[42] Investment is not pledged as collateral for the credit facilities.
[43] The interest rate on these loans is subject to 3 month SOFR, which as of September 30, 2022 was 3.59%.
[44] The interest rate on these loans is subject to 2 month LIBOR, which as of December 31, 2021 was 0.15%.
[45] Level 1 investment.
[46] Level 2 investment.
[47] Loan was on non-accrual status as of September 30, 2022.
[48] Loan was on non-accrual status as of December 31, 2021.
[49] The interest rate on these loans is subject to 6 month LIBOR, which as of December 31, 2021 was 0.34%.
[50] The date disclosed represents the commitment period of the unfunded term loan. Upon expiration of the commitment period, the funded portion of the term loan may be subject to a longer maturity date.
(26)As defined in the 1940 Act, the Company is deemed to be an “affiliated person” of this portfolio company as the Company owns more than 5% but less than 25% of the portfolio company's voting securities or has the power to exercise control over management or policies of such portfolio company, including through a management agreement (“non-controlled affiliate”). Transactions related to investments in non-controlled affiliates for the nine months ended September 30, 2022 were as follows:
($ in thousands)Fair value
as of December 31, 2021
Gross Additions
(a)
Gross Reductions(b)Change in Unrealized Gains (Losses)Fair value
as of September 30, 2022
Interest IncomeDividend IncomeOther Income
Non-Controlled Affiliates
Chapford SMA Partnership, L.P.$— $7,032 $— $— $7,032 $— $— $— 
Total Non-Controlled Affiliates$ $7,032 $ $ $7,032 $ $ $ 
[51] We invest 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.
[52] We invest 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.
[53] The interest rate on this loan is subject to 3 month EURIBOR, which as of September 30, 2022 was 1.17%.
[54] The interest rate on this loan is subject to 3 month Canadian Dollar Offered Rate (“CDOR” or “C”), which as of December 31, 2021 was 0.52%.
[55] Investment is not pledged as collateral for the credit facilities.
[56] The interest rate on these loans is subject to Prime, which as of September 30, 2022 was 6.25%.
[57] The interest rate on this loan is subject to 3 month EURIBOR, which as of December 31, 2021 was (0.57)%.
[58] As defined in the 1940 Act, the Company is deemed to be both an “Affiliated Person” and has “Control” of this portfolio company as the Company owns more than 25% of the portfolio company’s outstanding voting securities or has the power to exercise control over management or
policies of such portfolio company (including through a management agreement). The Company’s investment in affiliates for the year ended December 31, 2021, were as follows:
($ in thousands)Fair value as of December 31, 2020Gross Additions (a)Gross Reductions(b)Change in Unrealized Gains (Losses)Fair value as of December 31, 2021Interest IncomeDividend IncomeOther Income
Controlled Affiliates
ORCC Senior Loan Fund LLC (fka Sebago Lake LLC)(c)$105,546 $168,001 $(26,125)$(362)$247,061 $— $14,394 $— 
PS Operating Company LLC (fka QC Supply, LLC)— 20,440 (994)49 19,495 34 — — 
Swipe Acquisition Corporation (dba PLI)99,297 8,495 — 269 108,061 5,497 — 643 
Wingspire Capital Holdings LLC67,538 277,500 (147,000)44,125 242,163 — 6,000 — 
Total Controlled Affiliates$272,381 $474,436 $(174,119)$44,081 $616,780 $5,531 $20,394 $643 
(a)Gross additions may include increases in the cost basis of investments resulting from new investments, amounts related to payment-in-kind (“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 and the movement at fair value of an existing portfolio company into this controlled affiliated category 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 ORCC Senior Loan Fund LLC (fka Sebago Lake LLC), see Note 4 "Investments."
[59] Level 1 investment.
[60] For further description of the Company's investment in ORCC Senior Loan Fund LLC (fka Sebago Lake LLC), 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.
[61] Investment measured at net asset value (“NAV”).
[62] Investment represents multiple underlying investments, including Midwest Custom Windows, LLC, Greater Toronto Custom Windows, Corp., Garden State Custom Windows, LLC, Long Island Custom Windows, LLC, Jemico, LLC, Atlanta Custom Windows, LLC and Fairchester Custom Windows. Greater Toronto Custom Windows, Corp. is considered a non-qualifying asset, with a fair value of $7.7 million as of September 30, 2022.
[63] Investment represents multiple underlying investments, including Midwest Custom Windows, LLC, Greater Toronto Custom Windows, Corp., Garden State Custom Windows, LLC, Long Island Custom Windows, LLC, Jemico, LLC and Atlanta Custom Windows, LLC. Greater Toronto Custom Windows, Corp. is considered a non-qualifying asset, with a fair value of $8.0 million as of December 31, 2021.