v3.25.1
Consolidated Schedule of Investments
€ in Thousands, £ in Thousands, $ in Thousands
Mar. 31, 2025
USD ($)
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Mar. 31, 2025
EUR (€)
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Mar. 31, 2025
GBP (£)
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Mar. 31, 2025
CAD ($)
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Dec. 31, 2024
USD ($)
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Dec. 31, 2024
EUR (€)
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Dec. 31, 2024
GBP (£)
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Dec. 31, 2024
CAD ($)
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Dec. 31, 2023
USD ($)
Schedule of Investments [Line Items]                  
Amortized Cost $ 29,499,052,000 [1],[2]       $ 26,383,665,000 [3],[4],[5],[6],[7],[8],[9]        
Fair Value $ 29,460,409,000       26,378,894,000 [3],[5],[6],[8],[9]        
Fair Value [10]         $ (9,837,000)        
Percentage of Net Assets 181.10% 181.10% 181.10% 181.10% 180.20% [3],[5],[6],[8],[9] 180.20% [3],[5],[6],[8],[9] 180.20% [3],[5],[6],[8],[9] 180.20% [3],[5],[6],[8],[9]  
Non-controlled/non-affiliated portfolio company investments                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 28,575,155,000 [1],[2]       $ 25,422,365,000        
Fair Value $ 28,510,177,000       25,384,902,000        
Percentage of Net Assets 175.20% 175.20% 175.20% 175.20%          
Non-controlled/non-affiliated portfolio company investments | Debt Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 27,927,168,000 [1],[2]       24,876,159,000 [4],[7]        
Fair Value $ 27,816,736,000       $ 24,789,844,000        
Percentage of Net Assets 171.00% 171.00% 171.00% 171.00% 169.70% 169.70% 169.70% 169.70%  
Non-controlled/non-affiliated portfolio company investments | Miscellaneous Debt Commitments                  
Schedule of Investments [Line Items]                  
Amortized Cost $ (16,619,000) [1],[2],[11],[12],[13]       $ (14,737,000) [4],[7],[10],[14],[15]        
Fair Value [11],[12],[13] $ (12,008,000)                
Fair Value [10],[14],[15]         $ (9,837,000)        
Percentage of Net Assets (0.10%) [11],[12],[13] (0.10%) [11],[12],[13] (0.10%) [11],[12],[13] (0.10%) [11],[12],[13] (0.10%) [10],[14],[15] (0.10%) [10],[14],[15] (0.10%) [10],[14],[15] (0.10%) [10],[14],[15]  
Non-controlled/non-affiliated portfolio company investments | Equity Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 647,987,000 [1],[2]       $ 560,943,000 [4],[7]        
Fair Value $ 693,441,000       $ 604,895,000        
Percentage of Net Assets 4.30% 4.30% 4.30% 4.30% 4.00% 4.00% 4.00% 4.00%  
Non-controlled/non-affiliated portfolio company investments | Advertising and media                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 454,484,000 [1],[2]       $ 470,091,000 [4],[7]        
Fair Value $ 455,445,000       $ 471,789,000        
Percentage of Net Assets 2.80% 2.80% 2.80% 2.80% 3.30% 3.30% 3.30% 3.30%  
Non-controlled/non-affiliated portfolio company investments | Aerospace and defense                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 230,804,000 [1],[2]       $ 229,049,000 [4],[7]        
Fair Value $ 223,742,000       $ 224,592,000        
Percentage of Net Assets 1.40% 1.40% 1.40% 1.40% 1.40% 1.40% 1.40% 1.40%  
Non-controlled/non-affiliated portfolio company investments | Automotive aftermarket                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 38,082,000 [1],[2]       $ 37,816,000 [4],[7]        
Fair Value $ 36,042,000       $ 36,530,000        
Percentage of Net Assets 0.20% 0.20% 0.20% 0.20% 0.30% 0.30% 0.30% 0.30%  
Non-controlled/non-affiliated portfolio company investments | Automotive services                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 131,641,000 [1],[2]       $ 122,318,000 [4],[7]        
Fair Value $ 131,898,000       $ 123,017,000        
Percentage of Net Assets 0.80% 0.80% 0.80% 0.80% 0.90% 0.90% 0.90% 0.90%  
Non-controlled/non-affiliated portfolio company investments | Automotive services | Equity Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 49,879,000 [1],[2]       $ 45,596,000 [4],[7]        
Fair Value $ 55,733,000       $ 51,959,000        
Percentage of Net Assets 0.30% 0.30% 0.30% 0.30% 0.40% 0.40% 0.40% 0.40%  
Non-controlled/non-affiliated portfolio company investments | Asset based lending and fund finance                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 155,591,000 [1],[2]       $ 157,716,000 [4],[7]        
Fair Value $ 159,182,000       $ 149,167,000        
Percentage of Net Assets 1.00% 1.00% 1.00% 1.00% 1.00% 1.00% 1.00% 1.00%  
Non-controlled/non-affiliated portfolio company investments | Asset based lending and fund finance | Equity Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 1,000 [1],[2]       $ 1,000 [4],[7]        
Fair Value $ 1,816,000       $ 1,555,000        
Percentage of Net Assets 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00%  
Non-controlled/non-affiliated portfolio company investments | Buildings and real estate                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 725,522,000 [1],[2]       $ 687,243,000 [4],[7]        
Fair Value $ 725,027,000       $ 687,817,000        
Percentage of Net Assets 4.50% 4.50% 4.50% 4.50% 4.80% 4.80% 4.80% 4.80%  
Non-controlled/non-affiliated portfolio company investments | Buildings and real estate | Equity Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 126,000 [1],[2]       $ 126,000 [4],[7]        
Fair Value $ 22,000       $ 22,000        
Percentage of Net Assets 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00%  
Non-controlled/non-affiliated portfolio company investments | Business services                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 1,620,949,000 [1],[2]       $ 1,487,434,000 [4],[7]        
Fair Value $ 1,619,001,000       $ 1,489,202,000        
Percentage of Net Assets 10.00% 10.00% 10.00% 10.00% 10.20% 10.20% 10.20% 10.20%  
Non-controlled/non-affiliated portfolio company investments | Business services | Equity Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 53,412,000 [1],[2]       $ 80,458,000 [4],[7]        
Fair Value $ 58,962,000       $ 86,495,000        
Percentage of Net Assets 0.40% 0.40% 0.40% 0.40% 0.60% 0.60% 0.60% 0.60%  
Non-controlled/non-affiliated portfolio company investments | Chemicals                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 757,966,000 [1],[2]       $ 759,344,000 [4],[7]        
Fair Value $ 762,489,000       $ 763,417,000        
Percentage of Net Assets 4.70% 4.70% 4.70% 4.70% 5.30% 5.30% 5.30% 5.30%  
Non-controlled/non-affiliated portfolio company investments | Consumer products                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 421,909,000 [1],[2]       $ 394,123,000 [4],[7]        
Fair Value $ 409,499,000       $ 386,374,000        
Percentage of Net Assets 2.50% 2.50% 2.50% 2.50% 2.70% 2.70% 2.70% 2.70%  
Non-controlled/non-affiliated portfolio company investments | Consumer products | Equity Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 929,000 [1],[2]       $ 929,000 [4],[7]        
Fair Value $ 1,069,000       $ 1,009,000        
Percentage of Net Assets 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00%  
Non-controlled/non-affiliated portfolio company investments | Containers and packaging                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 912,435,000 [1],[2]       $ 636,368,000 [4],[7]        
Fair Value $ 912,638,000       $ 637,945,000        
Percentage of Net Assets 5.60% 5.60% 5.60% 5.60% 4.20% 4.20% 4.20% 4.20%  
Non-controlled/non-affiliated portfolio company investments | Containers and packaging | Equity Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost [1],[2] $ 84,879,000                
Fair Value $ 84,875,000                
Percentage of Net Assets 0.50% 0.50% 0.50% 0.50%          
Non-controlled/non-affiliated portfolio company investments | Distribution | Debt Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 667,943,000 [1],[2]       $ 611,202,000 [4],[7]        
Fair Value $ 660,810,000       $ 609,685,000        
Percentage of Net Assets 4.10% 4.10% 4.10% 4.10% 4.10% 4.10% 4.10% 4.10%  
Non-controlled/non-affiliated portfolio company investments | Education                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 270,754,000 [1],[2]       $ 221,958,000 [4],[7]        
Fair Value $ 269,278,000       $ 222,353,000        
Percentage of Net Assets 1.70% 1.70% 1.70% 1.70% 1.60% 1.60% 1.60% 1.60%  
Non-controlled/non-affiliated portfolio company investments | Energy equipment and services                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 81,406,000 [1],[2]       $ 81,576,000 [4],[7]        
Fair Value $ 81,876,000       $ 82,083,000        
Percentage of Net Assets 0.50% 0.50% 0.50% 0.50% 0.60% 0.60% 0.60% 0.60%  
Non-controlled/non-affiliated portfolio company investments | Financial services                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 1,473,538,000 [1],[2]       $ 1,340,408,000 [4],[7]        
Fair Value $ 1,476,692,000       $ 1,351,530,000        
Percentage of Net Assets 9.10% 9.10% 9.10% 9.10% 9.20% 9.20% 9.20% 9.20%  
Non-controlled/non-affiliated portfolio company investments | Financial services | Equity Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 1,007,000 [1],[2]       $ 1,007,000 [4],[7]        
Fair Value $ 1,000,000       $ 1,000,000        
Percentage of Net Assets 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00%  
Non-controlled/non-affiliated portfolio company investments | Food and beverage                  
Schedule of Investments [Line Items]                  
Amortized Cost [4],[7]         $ 1,645,019,000        
Fair Value         $ 1,651,132,000        
Percentage of Net Assets         11.10% 11.10% 11.10% 11.10%  
Non-controlled/non-affiliated portfolio company investments | Food and beverage | Debt Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost [1],[2] $ 1,710,552,000                
Fair Value $ 1,720,846,000                
Percentage of Net Assets 10.60% 10.60% 10.60% 10.60%          
Non-controlled/non-affiliated portfolio company investments | Food and beverage | Equity Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 7,536,000 [1],[2]       $ 7,536,000 [4],[7]        
Fair Value $ 12,497,000       $ 12,153,000        
Percentage of Net Assets 0.10% 0.10% 0.10% 0.10% 0.10% 0.10% 0.10% 0.10%  
Non-controlled/non-affiliated portfolio company investments | Healthcare equipment and services                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 2,122,091,000 [1],[2]       $ 1,558,651,000 [4],[7]        
Fair Value $ 2,124,927,000       $ 1,555,680,000        
Percentage of Net Assets 13.10% 13.10% 13.10% 13.10% 10.40% 10.40% 10.40% 10.40%  
Non-controlled/non-affiliated portfolio company investments | Healthcare equipment and services | Equity Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 28,955,000 [1],[2]       $ 28,925,000 [4],[7]        
Fair Value $ 32,867,000       $ 32,767,000        
Percentage of Net Assets 0.20% 0.20% 0.20% 0.20% 0.20% 0.20% 0.20% 0.20%  
Non-controlled/non-affiliated portfolio company investments | Healthcare providers and services                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 3,852,175,000 [1],[2]       $ 3,149,060,000 [4],[7]        
Fair Value $ 3,845,267,000       $ 3,110,817,000        
Percentage of Net Assets 23.60% 23.60% 23.60% 23.60% 21.40% 21.40% 21.40% 21.40%  
Non-controlled/non-affiliated portfolio company investments | Healthcare providers and services | Equity Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 51,872,000 [1],[2]       $ 47,175,000 [4],[7]        
Fair Value $ 51,959,000       $ 46,903,000        
Percentage of Net Assets 0.30% 0.30% 0.30% 0.30% 0.30% 0.30% 0.30% 0.30%  
Non-controlled/non-affiliated portfolio company investments | Healthcare technology                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 1,411,282,000 [1],[2]       $ 1,372,531,000 [4],[7]        
Fair Value $ 1,414,006,000       $ 1,376,441,000        
Percentage of Net Assets 8.70% 8.70% 8.70% 8.70% 9.50% 9.50% 9.50% 9.50%  
Non-controlled/non-affiliated portfolio company investments | Healthcare technology | Equity Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 142,217,000 [1],[2]       $ 138,512,000 [4],[7]        
Fair Value $ 139,656,000       $ 136,111,000        
Percentage of Net Assets 0.90% 0.90% 0.90% 0.90% 0.90% 0.90% 0.90% 0.90%  
Non-controlled/non-affiliated portfolio company investments | Household products                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 343,264,000 [1],[2]       $ 341,292,000 [4],[7]        
Fair Value $ 338,712,000       $ 338,087,000        
Percentage of Net Assets 2.10% 2.10% 2.10% 2.10% 2.30% 2.30% 2.30% 2.30%  
Non-controlled/non-affiliated portfolio company investments | Household products | Equity Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 2,818,000 [1],[2]       $ 2,818,000 [4],[7]        
Fair Value $ 0       $ 0        
Percentage of Net Assets 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00%  
Non-controlled/non-affiliated portfolio company investments | Human resource support services                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 210,789,000 [1],[2]       $ 201,171,000 [4],[7]        
Fair Value $ 200,715,000       $ 192,575,000        
Percentage of Net Assets 1.20% 1.20% 1.20% 1.20% 1.30% 1.30% 1.30% 1.30%  
Non-controlled/non-affiliated portfolio company investments | Human resource support services | Equity Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 17,507,000 [1],[2]       $ 17,499,000 [4],[7]        
Fair Value $ 14,043,000       $ 13,999,000        
Percentage of Net Assets 0.10% 0.10% 0.10% 0.10% 0.10% 0.10% 0.10% 0.10%  
Non-controlled/non-affiliated portfolio company investments | Infrastructure and environmental services                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 400,900,000 [1],[2]       $ 396,741,000 [4],[7]        
Fair Value $ 401,408,000       $ 398,010,000        
Percentage of Net Assets 2.50% 2.50% 2.50% 2.50% 2.80% 2.80% 2.80% 2.80%  
Non-controlled/non-affiliated portfolio company investments | Insurance                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 2,503,524,000 [1],[2]       $ 2,176,308,000 [4],[7]        
Fair Value $ 2,505,296,000       $ 2,177,548,000        
Percentage of Net Assets 15.40% 15.40% 15.40% 15.40% 14.80% 14.80% 14.80% 14.80%  
Non-controlled/non-affiliated portfolio company investments | Insurance | Equity Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 73,182,000 [1],[2]       $ 66,676,000 [4],[7]        
Fair Value $ 94,680,000       $ 88,296,000        
Percentage of Net Assets 0.60% 0.60% 0.60% 0.60% 0.60% 0.60% 0.60% 0.60%  
Non-controlled/non-affiliated portfolio company investments | Internet software and services                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 3,122,916,000 [1],[2]       $ 2,948,135,000 [4],[7]        
Fair Value $ 3,100,175,000       $ 2,926,405,000        
Percentage of Net Assets 19.10% 19.10% 19.10% 19.10% 20.40% 20.40% 20.40% 20.40%  
Non-controlled/non-affiliated portfolio company investments | Internet software and services | Equity Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 128,262,000 [1],[2]       $ 118,829,000 [4],[7]        
Fair Value $ 139,492,000       $ 128,132,000        
Percentage of Net Assets 0.90% 0.90% 0.90% 0.90% 0.80% 0.80% 0.80% 0.80%  
Non-controlled/non-affiliated portfolio company investments | Leisure and entertainment                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 797,574,000 [1],[2]       $ 793,506,000 [4],[7]        
Fair Value $ 802,173,000       $ 797,311,000        
Percentage of Net Assets 4.90% 4.90% 4.90% 4.90% 5.50% 5.50% 5.50% 5.50%  
Non-controlled/non-affiliated portfolio company investments | Manufacturing                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 1,085,742,000 [1],[2]       $ 917,214,000 [4],[7]        
Fair Value $ 1,084,688,000       $ 923,431,000        
Percentage of Net Assets 6.70% 6.70% 6.70% 6.70% 6.20% 6.20% 6.20% 6.20%  
Non-controlled/non-affiliated portfolio company investments | Manufacturing | Equity Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 100,000 [1],[2],[16]       $ 100,000 [4],[7]        
Fair Value $ 155,000       $ 118,000        
Percentage of Net Assets 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00%  
Non-controlled/non-affiliated portfolio company investments | Pharmaceuticals                  
Schedule of Investments [Line Items]                  
Amortized Cost [1],[2] $ 171,656,000                
Fair Value $ 171,655,000                
Percentage of Net Assets 1.10% 1.10% 1.10% 1.10%          
Non-controlled/non-affiliated portfolio company investments | Professional services                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 1,227,639,000 [1],[2]       $ 1,208,349,000 [4],[7]        
Fair Value $ 1,229,891,000       $ 1,212,436,000        
Percentage of Net Assets 7.60% 7.60% 7.60% 7.60% 8.20% 8.20% 8.20% 8.20%  
Non-controlled/non-affiliated portfolio company investments | Specialty retail                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 504,483,000 [1],[2]       $ 487,546,000 [4],[7]        
Fair Value $ 463,956,000       $ 465,689,000        
Percentage of Net Assets 2.90% 2.90% 2.90% 2.90% 3.10% 3.10% 3.10% 3.10%  
Non-controlled/non-affiliated portfolio company investments | Specialty retail | Equity Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 5,305,000 [1],[2],[16]       $ 4,756,000 [4],[7]        
Fair Value $ 4,615,000       $ 4,376,000        
Percentage of Net Assets 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00%  
Non-controlled/non-affiliated portfolio company investments | Telecommunications                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 361,870,000 [1],[2]       $ 297,283,000 [4],[7]        
Fair Value $ 327,232,000       $ 282,027,000        
Percentage of Net Assets 2.00% 2.00% 2.00% 2.00% 2.00% 2.00% 2.00% 2.00%  
Non-controlled/non-affiliated portfolio company investments | Transportation                  
Schedule of Investments [Line Items]                  
Amortized Cost [4],[7]         $ 146,707,000        
Fair Value         $ 146,754,000        
Percentage of Net Assets         1.10% 1.10% 1.10% 1.10%  
Non-controlled/non-affiliated portfolio company investments | Transportation                  
Schedule of Investments [Line Items]                  
Amortized Cost [1],[2] $ 174,306,000                
Fair Value $ 174,178,000                
Percentage of Net Assets 1.10% 1.10% 1.10% 1.10%          
Non-controlled, affiliated investments                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 8,348,000 [1],[2],[16]       $ 8,305,000 [4],[7]        
Fair Value $ 8,210,000       $ 8,248,000       $ 78,406,000
Percentage of Net Assets 0.10% 0.10% 0.10% 0.10% 0.00% 0.00% 0.00% 0.00%  
Non-controlled, affiliated investments | Debt Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost [4],[7],[17]         $ 2,424,000        
Fair Value [17]         $ 2,424,000        
Percentage of Net Assets [17]         0.00% 0.00% 0.00% 0.00%  
Non-controlled, affiliated investments | Equity Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 5,881,000 [1],[2],[16]       $ 5,881,000 [4],[7]        
Fair Value $ 5,743,000       $ 5,824,000        
Percentage of Net Assets 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00%  
Non-controlled, affiliated investments | Education | Debt Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 2,467,000 [1],[2],[11],[16],[18]       $ 2,424,000 [4],[7]        
Fair Value $ 2,467,000 [11],[18]       $ 2,424,000        
Percentage of Net Assets 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00%  
Non-controlled, affiliated investments | Education | Equity Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 1,053,000 [1],[2],[16]       $ 1,053,000 [4],[7]        
Fair Value $ 1,053,000       $ 1,053,000        
Percentage of Net Assets 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00%  
Non-controlled, affiliated investments | Pharmaceuticals | Equity Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 4,828,000 [1],[2],[16]       $ 4,828,000 [4],[7]        
Fair Value $ 4,690,000       $ 4,771,000        
Percentage of Net Assets 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00%  
Controlled, affiliated investments                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 915,549,000 [1],[2]       $ 952,995,000 [4],[7]        
Fair Value $ 942,022,000       $ 985,744,000       573,550,000
Percentage of Net Assets 5.80% 5.80% 5.80% 5.80% 6.60% 6.60% 6.60% 6.60%  
Controlled, affiliated investments | Debt Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 104,262,000 [1],[2]       $ 90,431,000 [4],[7],[17]        
Fair Value $ 104,262,000       $ 90,736,000 [17]        
Percentage of Net Assets 0.60% 0.60% 0.60% 0.60% 0.60% [17] 0.60% [17] 0.60% [17] 0.60% [17]  
Controlled, affiliated investments | Equity Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 811,287,000 [1],[2]       $ 862,564,000 [4],[7]        
Fair Value $ 837,760,000       $ 895,008,000        
Percentage of Net Assets 5.10% 5.10% 5.10% 5.10% 6.00% 6.00% 6.00% 6.00%  
Controlled, affiliated investments | Asset based lending and fund finance | Debt Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 104,262,000 [1],[2]       $ 90,431,000 [4],[7]        
Fair Value $ 104,262,000       $ 90,736,000        
Percentage of Net Assets 0.60% 0.60% 0.60% 0.60% 0.60% 0.60% 0.60% 0.60%  
Controlled, affiliated investments | Asset based lending and fund finance | Equity Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 51,261,000 [1],[2]       $ 52,407,000 [4],[7]        
Fair Value $ 69,973,000       $ 62,056,000        
Percentage of Net Assets 0.40% 0.40% 0.40% 0.40% 0.40% 0.40% 0.40% 0.40%  
Controlled, affiliated investments | Insurance | Equity Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 223,403,000 [1],[2]       $ 202,375,000 [4],[7]        
Fair Value $ 245,283,000       $ 223,274,000        
Percentage of Net Assets 1.50% 1.50% 1.50% 1.50% 1.50% 1.50% 1.50% 1.50%  
Controlled, affiliated investments | Pharmaceuticals | Equity Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 216,313,000 [1],[2]       $ 288,704,000 [4],[7]        
Fair Value $ 224,922,000       $ 293,775,000        
Percentage of Net Assets 1.40% 1.40% 1.40% 1.40% 2.00% 2.00% 2.00% 2.00%  
Controlled, affiliated investments | Joint ventures | Equity Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost $ 320,310,000 [1],[2]       $ 319,078,000 [4],[7]        
Fair Value $ 297,582,000       $ 315,903,000        
Percentage of Net Assets 1.80% 1.80% 1.80% 1.80% 2.10% 2.10% 2.10% 2.10%  
Investment, unaffiliated issuer, before adjustment                  
Schedule of Investments [Line Items]                  
Amortized Cost [4],[7]         $ 25,437,102,000        
Fair Value         $ 25,394,739,000        
Percentage of Net Assets         173.70% 173.70% 173.70% 173.70%  
Investment, unaffiliated issuer, before adjustment | Debt Securities                  
Schedule of Investments [Line Items]                  
Amortized Cost [1],[2] $ 27,943,787,000                
Fair Value $ 27,828,744,000                
Percentage of Net Assets 171.00% 171.00% 171.00% 171.00%          
Investment, Identifier [Axis]: AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC                  
Schedule of Investments [Line Items]                  
Fair Value $ 82,453,000 [19]       $ 75,112,000 [19]       64,839,000 [20]
Investment, Identifier [Axis]: AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Interest, PIK 12.00% [21],[22],[23] 12.00% [21],[22],[23] 12.00% [21],[22],[23] 12.00% [21],[22],[23] 12.00% [14],[24],[25],[26] 12.00% [14],[24],[25],[26] 12.00% [14],[24],[25],[26] 12.00% [14],[24],[25],[26]  
Investment Owned, Balance, Principal Amount $ 47,354,000 [21],[22],[23]       $ 45,106,000 [14],[24],[25],[26]        
Amortized Cost 47,354,000 [1],[2],[21],[22],[23]       44,801,000 [4],[7],[14],[24],[25],[26]        
Fair Value $ 47,354,000 [21],[22],[23]       $ 45,106,000 [14],[24],[25],[26]        
Percentage of Net Assets [21],[22],[23] [21],[22],[23] [21],[22],[23] [21],[22],[23] 0.30% [14],[24],[25],[26] 0.30% [14],[24],[25],[26] 0.30% [14],[24],[25],[26] 0.30% [14],[24],[25],[26]  
Investment, Identifier [Axis]: AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC, LLC Interest                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares [14],[25],[26],[27],[28],[29]         26,763,000 26,763,000 26,763,000 26,763,000  
Amortized Cost [4],[7],[14],[25],[26],[27],[28],[29]         $ 26,766,000        
Fair Value [14],[25],[26],[27],[28],[29]         30,006,000        
Fair Value [10]         $ 0        
Percentage of Net Assets [14],[25],[26],[27],[28],[29]         0.20% 0.20% 0.20% 0.20%  
Investment, Identifier [Axis]: AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC, LLC Interest                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares [12],[16],[21],[23],[30] 26,517 26,517 26,517 26,517          
Amortized Cost [1],[2],[12],[16],[21],[23],[30] $ 26,557,000                
Fair Value [12],[16],[21],[23],[30] 35,099,000                
Fair Value [13] $ 0                
Percentage of Net Assets [12],[16],[21],[23],[30]          
Investment, Identifier [Axis]: AAM Series 2.1 Aviation Feeder, LLC                  
Schedule of Investments [Line Items]                  
Fair Value $ 91,782,000 [19]       $ 77,680,000 [20]       78,476,000 [20]
Investment, Identifier [Axis]: AAM Series 2.1 Aviation Feeder, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Interest, PIK 12.00% [21],[22],[23] 12.00% [21],[22],[23] 12.00% [21],[22],[23] 12.00% [21],[22],[23] 12.00% [14],[24],[25],[26] 12.00% [14],[24],[25],[26] 12.00% [14],[24],[25],[26] 12.00% [14],[24],[25],[26]  
Investment Owned, Balance, Principal Amount $ 56,908,000 [21],[22],[23]       $ 45,630,000 [14],[24],[25],[26]        
Amortized Cost 56,908,000 [1],[2],[21],[22],[23]       45,630,000 [4],[7],[14],[24],[25],[26]        
Fair Value $ 56,908,000 [21],[22],[23]       $ 45,630,000 [14],[24],[25],[26]        
Percentage of Net Assets [21],[22],[23] [21],[22],[23] [21],[22],[23] [21],[22],[23] 0.30% [14],[24],[25],[26] 0.30% [14],[24],[25],[26] 0.30% [14],[24],[25],[26] 0.30% [14],[24],[25],[26]  
Investment, Identifier [Axis]: AAM Series 2.1 Aviation Feeder, LLC, LLC Interest                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 24,663 [12],[16],[21],[23],[30] 24,663 [12],[16],[21],[23],[30] 24,663 [12],[16],[21],[23],[30] 24,663 [12],[16],[21],[23],[30] 25,601,000 [14],[25],[26],[27],[28],[29] 25,601,000 [14],[25],[26],[27],[28],[29] 25,601,000 [14],[25],[26],[27],[28],[29] 25,601,000 [14],[25],[26],[27],[28],[29]  
Amortized Cost $ 24,704,000 [1],[2],[12],[16],[21],[23],[30]       $ 25,641,000 [4],[7],[14],[25],[26],[27],[28],[29]        
Fair Value 34,874,000 [12],[16],[21],[23],[30]       32,050,000 [14],[25],[26],[27],[28],[29]        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [12],[16],[21],[23],[30] [12],[16],[21],[23],[30] [12],[16],[21],[23],[30] [12],[16],[21],[23],[30] 0.20% [14],[25],[26],[27],[28],[29] 0.20% [14],[25],[26],[27],[28],[29] 0.20% [14],[25],[26],[27],[28],[29] 0.20% [14],[25],[26],[27],[28],[29]  
Investment, Identifier [Axis]: ABB/Con-cise Optical Group LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 7.50% [11] 7.50% [11] 7.50% [11] 7.50% [11] 7.50% [15] 7.50% [15] 7.50% [15] 7.50% [15]  
Investment Owned, Balance, Principal Amount $ 33,306,000 [11]       $ 33,306,000 [15]        
Amortized Cost 33,024,000 [1],[2],[11]       33,004,000 [4],[7],[15]        
Fair Value $ 32,724,000 [11]       $ 32,640,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.20% [15] 0.20% [15] 0.20% [15] 0.20% [15]  
Investment, Identifier [Axis]: ACR Group Borrower, LLC, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value [10]         $ 0        
Fair Value [13] $ 0                
Investment, Identifier [Axis]: ACR Group Borrower, LLC, First lien senior secured loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.75% [11],[12] 4.75% [11],[12] 4.75% [11],[12] 4.75% [11],[12] 4.75% [14],[15] 4.75% [14],[15] 4.75% [14],[15] 4.75% [14],[15]  
Investment Owned, Balance, Principal Amount $ 1,891,000 [11],[12]       $ 1,896,000 [14],[15]        
Amortized Cost 1,876,000 [1],[2],[11],[12]       1,879,000 [4],[7],[14],[15]        
Fair Value $ 1,886,000 [11],[12]       $ 1,886,000 [14],[15]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 0.00% [14],[15] 0.00% [14],[15] 0.00% [14],[15] 0.00% [14],[15]  
Investment, Identifier [Axis]: ACR Group Borrower, LLC, First lien senior secured loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.25% [11] 4.25% [11] 4.25% [11] 4.25% [11] 4.25% [15] 4.25% [15] 4.25% [15] 4.25% [15]  
Investment Owned, Balance, Principal Amount $ 3,970,000 [11]       $ 3,981,000 [15]        
Amortized Cost 3,942,000 [1],[2],[11]       3,950,000 [4],[7],[15]        
Fair Value $ 3,921,000 [11]       $ 3,911,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.00% [15] 0.00% [15] 0.00% [15] 0.00% [15]  
Investment, Identifier [Axis]: ACR Group Borrower, LLC, First lien senior secured loan 3                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.75% [11] 5.75% [11] 5.75% [11] 5.75% [11] 5.75% [15] 5.75% [15] 5.75% [15] 5.75% [15]  
Investment Owned, Balance, Principal Amount $ 853,000 [11]       $ 855,000 [15]        
Amortized Cost 846,000 [1],[2],[11]       847,000 [4],[7],[15]        
Fair Value $ 853,000 [11]       $ 855,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.00% [15] 0.00% [15] 0.00% [15] 0.00% [15]  
Investment, Identifier [Axis]: ACR Group Borrower, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [12],[31] 4.25% 4.25% 4.25% 4.25%          
Investment Owned, Balance, Principal Amount [12],[31] $ 25,000                
Amortized Cost [1],[2],[12],[31] 22,000                
Fair Value [12],[31] 14,000                
Fair Value $ 0 [13]       $ (15,000) [10]        
Percentage of Net Assets [12],[31]          
Investment, Identifier [Axis]: AI Aqua Merger Sub, Inc. (dba Culligan), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.00% [31],[32] 3.00% [31],[32] 3.00% [31],[32] 3.00% [31],[32] 3.00% [33],[34],[35] 3.00% [33],[34],[35] 3.00% [33],[34],[35] 3.00% [33],[34],[35]  
Investment Owned, Balance, Principal Amount $ 56,266,000 [31],[32]       $ 46,266,000 [33],[34],[35]        
Amortized Cost 56,216,000 [1],[2],[31],[32]       46,266,000 [4],[7],[33],[34],[35]        
Fair Value $ 55,686,000 [31],[32]       $ 46,266,000 [33],[34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.30% [33],[34],[35] 0.30% [33],[34],[35] 0.30% [33],[34],[35] 0.30% [33],[34],[35]  
Investment, Identifier [Axis]: AI Titan Parent, Inc. (dba Prometheus Group), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (34,000) [13]       $ (34,000) [10]        
Investment, Identifier [Axis]: AI Titan Parent, Inc. (dba Prometheus Group), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.75% [31] 4.75% [31] 4.75% [31] 4.75% [31] 4.75% [34] 4.75% [34] 4.75% [34] 4.75% [34]  
Investment Owned, Balance, Principal Amount $ 33,962,000 [31]       $ 33,962,000 [34]        
Amortized Cost 33,645,000 [1],[2],[31]       33,635,000 [4],[7],[34]        
Fair Value $ 33,623,000 [31]       $ 33,623,000 [34]        
Percentage of Net Assets [31] [31] [31] [31] 0.20% [34] 0.20% [34] 0.20% [34] 0.20% [34]  
Investment, Identifier [Axis]: AI Titan Parent, Inc. (dba Prometheus Group), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (42,000) [13]       $ (42,000) [10]        
Investment, Identifier [Axis]: AQ Carver Buyer, Inc. (dba CoAdvantage), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.50% [32],[36] 5.50% [32],[36] 5.50% [32],[36] 5.50% [32],[36] 5.50% [15],[35] 5.50% [15],[35] 5.50% [15],[35] 5.50% [15],[35]  
Investment Owned, Balance, Principal Amount $ 22,163,000 [32],[36]       $ 22,219,000 [15],[35]        
Amortized Cost 21,801,000 [1],[2],[32],[36]       21,839,000 [4],[7],[15],[35]        
Fair Value $ 21,914,000 [32],[36]       $ 22,163,000 [15],[35]        
Percentage of Net Assets [32],[36] [32],[36] [32],[36] [32],[36] 0.20% [15],[35] 0.20% [15],[35] 0.20% [15],[35] 0.20% [15],[35]  
Investment, Identifier [Axis]: ASP Conair Holdings LP, Class A Units                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 9,286 [16],[30] 9,286 [16],[30] 9,286 [16],[30] 9,286 [16],[30] 9,286,000 [27],[28] 9,286,000 [27],[28] 9,286,000 [27],[28] 9,286,000 [27],[28]  
Amortized Cost $ 929,000 [1],[2],[16],[30]       $ 929,000 [4],[7],[27],[28]        
Fair Value $ 1,069,000 [16],[30]       $ 1,009,000 [27],[28]        
Percentage of Net Assets [16],[30] [16],[30] [16],[30] [16],[30] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28]  
Investment, Identifier [Axis]: AWP Group Holdings, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.75% [12],[31] 4.75% [12],[31] 4.75% [12],[31] 4.75% [12],[31] 4.75% [14],[34] 4.75% [14],[34] 4.75% [14],[34] 4.75% [14],[34]  
Investment Owned, Balance, Principal Amount $ 43,068,000 [12],[31]       $ 42,302,000 [14],[34]        
Amortized Cost 43,069,000 [1],[2],[12],[31]       42,303,000 [4],[7],[14],[34]        
Fair Value $ 42,591,000 [12],[31]       $ 41,824,000 [14],[34]        
Percentage of Net Assets [12],[31] [12],[31] [12],[31] [12],[31] 0.30% [14],[34] 0.30% [14],[34] 0.30% [14],[34] 0.30% [14],[34]  
Investment, Identifier [Axis]: AWP Group Holdings, Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Accelerate Topco Holdings, LLC, Common Units                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 91,805 [16],[30] 91,805 [16],[30] 91,805 [16],[30] 91,805 [16],[30] 91,805,000 [27],[28] 91,805,000 [27],[28] 91,805,000 [27],[28] 91,805,000 [27],[28]  
Amortized Cost $ 2,535,000 [1],[2],[16],[30]       $ 2,535,000 [4],[7],[27],[28]        
Fair Value $ 4,379,000 [16],[30]       $ 4,379,000 [27],[28]        
Percentage of Net Assets [16],[30] [16],[30] [16],[30] [16],[30] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28]  
Investment, Identifier [Axis]: Access CIG, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.25% [11],[32] 4.25% [11],[32] 4.25% [11],[32] 4.25% [11],[32] 5.00% [15],[35] 5.00% [15],[35] 5.00% [15],[35] 5.00% [15],[35]  
Investment Owned, Balance, Principal Amount $ 78,815,000 [11],[32]       $ 79,000,000 [15],[35]        
Amortized Cost 78,815,000 [1],[2],[11],[32]       77,472,000 [4],[7],[15],[35]        
Fair Value $ 78,736,000 [11],[32]       $ 79,695,000 [15],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.50% [15],[35] 0.50% [15],[35] 0.50% [15],[35] 0.50% [15],[35]  
Investment, Identifier [Axis]: Acrisure, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.00% [31],[32] 3.00% [31],[32] 3.00% [31],[32] 3.00% [31],[32] 3.00% [34],[35] 3.00% [34],[35] 3.00% [34],[35] 3.00% [34],[35]  
Investment Owned, Balance, Principal Amount $ 59,038,000 [31],[32]       $ 92,186,000 [34],[35]        
Amortized Cost 59,038,000 [1],[2],[31],[32]       92,186,000 [4],[7],[34],[35]        
Fair Value $ 58,566,000 [31],[32]       $ 92,158,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.60% [34],[35] 0.60% [34],[35] 0.60% [34],[35] 0.60% [34],[35]  
Investment, Identifier [Axis]: Acrisure, LLC, Unsecured notes                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 8.50% [22],[23],[32] 8.50% [22],[23],[32] 8.50% [22],[23],[32] 8.50% [22],[23],[32] 8.50% [24],[26],[35] 8.50% [24],[26],[35] 8.50% [24],[26],[35] 8.50% [24],[26],[35]  
Investment Owned, Balance, Principal Amount $ 18,375,000 [22],[23],[32]       $ 18,375,000 [24],[26],[35]        
Amortized Cost 18,375,000 [1],[2],[22],[23],[32]       18,375,000 [4],[7],[24],[26],[35]        
Fair Value $ 19,114,000 [22],[23],[32]       $ 19,123,000 [24],[26],[35]        
Percentage of Net Assets [22],[23],[32] [22],[23],[32] [22],[23],[32] [22],[23],[32] 0.10% [24],[26],[35] 0.10% [24],[26],[35] 0.10% [24],[26],[35] 0.10% [24],[26],[35]  
Investment, Identifier [Axis]: Activate Holdings (US) Corp. (dba Absolute Software), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.50% [11],[23] 5.50% [11],[23] 5.50% [11],[23] 5.50% [11],[23] 5.25% [14],[15],[26] 5.25% [14],[15],[26] 5.25% [14],[15],[26] 5.25% [14],[15],[26]  
Investment Owned, Balance, Principal Amount $ 5,696,000 [11],[23]       $ 5,711,000 [14],[15],[26]        
Amortized Cost 5,676,000 [1],[2],[11],[23]       5,689,000 [4],[7],[14],[15],[26]        
Fair Value $ 5,696,000 [11],[23]       $ 5,711,000 [14],[15],[26]        
Percentage of Net Assets [11],[23] [11],[23] [11],[23] [11],[23] 0.00% [14],[15],[26] 0.00% [14],[15],[26] 0.00% [14],[15],[26] 0.00% [14],[15],[26]  
Investment, Identifier [Axis]: Activate Holdings (US) Corp. (dba Absolute Software), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Advancion Holdings, LLC (fka Aruba Investments Holdings, LLC), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.00% [31],[32] 4.00% [31],[32] 4.00% [31],[32] 4.00% [31],[32] 4.00% [34],[35] 4.00% [34],[35] 4.00% [34],[35] 4.00% [34],[35]  
Investment Owned, Balance, Principal Amount $ 19,015,000 [31],[32]       $ 19,064,000 [34],[35]        
Amortized Cost 18,817,000 [1],[2],[31],[32]       18,849,000 [4],[7],[34],[35]        
Fair Value $ 18,444,000 [31],[32]       $ 19,064,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.10% [34],[35] 0.10% [34],[35] 0.10% [34],[35] 0.10% [34],[35]  
Investment, Identifier [Axis]: Advancion Holdings, LLC (fka Aruba Investments Holdings, LLC), Second lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 7.75% [31] 7.75% [31] 7.75% [31] 7.75% [31] 7.75% [34],[35] 7.75% [34],[35] 7.75% [34],[35] 7.75% [34],[35]  
Investment Owned, Balance, Principal Amount $ 40,137,000 [31]       $ 40,137,000 [34],[35]        
Amortized Cost 40,129,000 [1],[2],[31]       40,129,000 [4],[7],[34],[35]        
Fair Value $ 37,729,000 [31]       $ 39,118,000 [34],[35]        
Percentage of Net Assets [31] [31] [31] [31] 0.30% [34],[35] 0.30% [34],[35] 0.30% [34],[35] 0.30% [34],[35]  
Investment, Identifier [Axis]: Aerosmith Bidco 1 Limited (dba Audiotonix), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ (85,000) [10]        
Investment, Identifier [Axis]: Aerosmith Bidco 1 Limited (dba Audiotonix), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [11],[23] 5.25% [11],[23] 5.25% [11],[23] 5.25% [11],[23] 5.25% [26],[34] 5.25% [26],[34] 5.25% [26],[34] 5.25% [26],[34]  
Investment Owned, Balance, Principal Amount $ 341,349,000 [11],[23]       $ 341,349,000 [26],[34]        
Amortized Cost 337,278,000 [1],[2],[11],[23]       337,162,000 [4],[7],[26],[34]        
Fair Value $ 341,349,000 [11],[23]       $ 340,496,000 [26],[34]        
Percentage of Net Assets [11],[23] [11],[23] [11],[23] [11],[23] 2.30% [26],[34] 2.30% [26],[34] 2.30% [26],[34] 2.30% [26],[34]  
Investment, Identifier [Axis]: Aerosmith Bidco 1 Limited (dba Audiotonix), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ (112,000) [10]        
Investment, Identifier [Axis]: Alera Group, Inc., First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.75% [31] 5.75% [31] 5.75% [31] 5.75% [31] 5.75% [14],[29],[34] 5.75% [14],[29],[34] 5.75% [14],[29],[34] 5.75% [14],[29],[34]  
Investment Owned, Balance, Principal Amount $ 45,581,000 [31]       $ 43,250,000 [14],[29],[34]        
Amortized Cost 45,256,000 [1],[2],[31]       42,913,000 [4],[7],[14],[29],[34]        
Fair Value $ 45,581,000 [31]       43,250,000 [14],[29],[34]        
Fair Value [10]         $ 0        
Percentage of Net Assets [31] [31] [31] [31] 0.30% [14],[29],[34] 0.30% [14],[29],[34] 0.30% [14],[29],[34] 0.30% [14],[29],[34]  
Investment, Identifier [Axis]: Alera Group, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [31] 5.25% [31] 5.25% [31] 5.25% [31] 5.25% [14],[34] 5.25% [14],[34] 5.25% [14],[34] 5.25% [14],[34]  
Investment Owned, Balance, Principal Amount $ 146,581,000 [31]       $ 146,960,000 [14],[34]        
Amortized Cost 146,581,000 [1],[2],[31]       146,960,000 [4],[7],[14],[34]        
Fair Value $ 146,581,000 [31]       $ 146,960,000 [14],[34]        
Percentage of Net Assets [31] [31] [31] [31] 1.00% [14],[34] 1.00% [14],[34] 1.00% [14],[34] 1.00% [14],[34]  
Investment, Identifier [Axis]: Allied Benefit Systems Intermediate LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [11] 5.25% [11] 5.25% [11] 5.25% [11] 5.25% [34] 5.25% [34] 5.25% [34] 5.25% [34]  
Investment Owned, Balance, Principal Amount $ 20,812,000 [11]       $ 20,850,000 [34]        
Amortized Cost 20,548,000 [1],[2],[11]       20,577,000 [4],[7],[34]        
Fair Value $ 20,812,000 [11]       $ 20,850,000 [34]        
Percentage of Net Assets [11] [11] [11] [11] 0.10% [34] 0.10% [34] 0.10% [34] 0.10% [34]  
Investment, Identifier [Axis]: AlphaSense, Inc., First lien senior secured delayed draw term loan 1                  
Schedule of Investments [Line Items]                  
Fair Value $ (5,000) [13]       $ (7,000) [10]        
Investment, Identifier [Axis]: AlphaSense, Inc., First lien senior secured delayed draw term loan 2                  
Schedule of Investments [Line Items]                  
Fair Value $ (5,000) [13]       $ (7,000) [10]        
Investment, Identifier [Axis]: AlphaSense, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.25% [11] 6.25% [11] 6.25% [11] 6.25% [11] 6.25% [15] 6.25% [15] 6.25% [15] 6.25% [15]  
Investment Owned, Balance, Principal Amount $ 3,533,000 [11]       $ 3,533,000 [15]        
Amortized Cost 3,502,000 [1],[2],[11]       3,501,000 [4],[7],[15]        
Fair Value $ 3,507,000 [11]       $ 3,498,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.00% [15] 0.00% [15] 0.00% [15] 0.00% [15]  
Investment, Identifier [Axis]: AlphaSense, LLC, Series E Preferred Shares                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 16,929 [16],[30] 16,929 [16],[30] 16,929 [16],[30] 16,929 [16],[30] 16,929,000 [27],[28] 16,929,000 [27],[28] 16,929,000 [27],[28] 16,929,000 [27],[28]  
Amortized Cost $ 765,000 [1],[2],[16],[30]       $ 765,000 [4],[7],[27],[28]        
Fair Value $ 800,000 [16],[30]       $ 760,000 [27],[28]        
Percentage of Net Assets [16],[30] [16],[30] [16],[30] [16],[30] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28]  
Investment, Identifier [Axis]: AmSpec Parent, LLC, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ (13,000) [10]        
Investment, Identifier [Axis]: AmSpec Parent, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.25% [11],[32] 4.25% [11],[32] 4.25% [11],[32] 4.25% [11],[32] 4.25% [34] 4.25% [34] 4.25% [34] 4.25% [34]  
Investment Owned, Balance, Principal Amount $ 34,667,000 [11],[32]       $ 34,667,000 [34]        
Amortized Cost 34,499,000 [1],[2],[11],[32]       34,493,000 [4],[7],[34]        
Fair Value $ 34,601,000 [11],[32]       $ 34,493,000 [34]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.20% [34] 0.20% [34] 0.20% [34] 0.20% [34]  
Investment, Identifier [Axis]: Amergin Asset Management, LLC, Class A Units                  
Schedule of Investments [Line Items]                  
Investment Owned, Balance, Principal Amount [27],[28]         $ 50,000,000,000        
Units (in shares) | shares [16],[30] 50,000,000 50,000,000 50,000,000 50,000,000          
Amortized Cost $ 1,000 [1],[2],[16],[30]       1,000 [4],[7],[27],[28]        
Fair Value $ 1,816,000 [16],[30]       $ 1,555,000 [27],[28]        
Percentage of Net Assets [16],[30] [16],[30] [16],[30] [16],[30] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28]  
Investment, Identifier [Axis]: AmeriLife Holdings LLC, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value [10]         $ 0        
Investment, Identifier [Axis]: AmeriLife Holdings LLC, First lien senior secured delayed draw term loan 1                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ (86,000)                
Investment, Identifier [Axis]: AmeriLife Holdings LLC, First lien senior secured delayed draw term loan 2                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ 0                
Investment, Identifier [Axis]: AmeriLife Holdings LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [12],[36] 5.00% [12],[36] 5.00% [12],[36] 5.00% [12],[36] 5.00% [14],[15] 5.00% [14],[15] 5.00% [14],[15] 5.00% [14],[15]  
Investment Owned, Balance, Principal Amount $ 304,042,000 [12],[36]       $ 202,085,000 [14],[15]        
Amortized Cost 300,754,000 [1],[2],[12],[36]       199,167,000 [4],[7],[14],[15]        
Fair Value $ 302,480,000 [12],[36]       $ 201,032,000 [14],[15]        
Percentage of Net Assets [12],[36] [12],[36] [12],[36] [12],[36] 1.40% [14],[15] 1.40% [14],[15] 1.40% [14],[15] 1.40% [14],[15]  
Investment, Identifier [Axis]: AmeriLife Holdings LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (167,000) [13]       $ (81,000) [10]        
Investment, Identifier [Axis]: Anaplan, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [11] 5.25% [14],[15] 5.25% [14],[15] 5.25% [14],[15] 5.25% [14],[15]  
Investment Owned, Balance, Principal Amount $ 230,819,000 [11]       $ 231,397,000 [14],[15]        
Amortized Cost 230,762,000 [1],[2],[11]       231,337,000 [4],[7],[14],[15]        
Fair Value $ 230,819,000 [11]       $ 231,397,000 [14],[15]        
Percentage of Net Assets [11] [11] [11] [11] 1.60% [14],[15] 1.60% [14],[15] 1.60% [14],[15] 1.60% [14],[15]  
Investment, Identifier [Axis]: Anaplan, Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Anchor Packaging, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35]  
Investment Owned, Balance, Principal Amount $ 49,625,000 [31],[32]       $ 49,750,000 [34],[35]        
Amortized Cost 49,625,000 [1],[2],[31],[32]       49,750,000 [4],[7],[34],[35]        
Fair Value $ 49,551,000 [31],[32]       $ 49,959,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.30% [34],[35] 0.30% [34],[35] 0.30% [34],[35] 0.30% [34],[35]  
Investment, Identifier [Axis]: Apex Group Treasury LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.50% [11],[23],[32] 3.50% [11],[23],[32] 3.50% [11],[23],[32] 3.50% [11],[23],[32] 4.00% [15],[26],[35] 4.00% [15],[26],[35] 4.00% [15],[26],[35] 4.00% [15],[26],[35]  
Investment Owned, Balance, Principal Amount $ 123,250,000 [11],[23],[32]       $ 123,250,000 [15],[26],[35]        
Amortized Cost 122,945,000 [1],[2],[11],[23],[32]       123,081,000 [4],[7],[15],[26],[35]        
Fair Value $ 122,708,000 [11],[23],[32]       $ 124,224,000 [15],[26],[35]        
Percentage of Net Assets [11],[23],[32] [11],[23],[32] [11],[23],[32] [11],[23],[32] 0.90% [15],[26],[35] 0.90% [15],[26],[35] 0.90% [15],[26],[35] 0.90% [15],[26],[35]  
Investment, Identifier [Axis]: Appfire Technologies, LLC, First lien senior secured delayed draw term loan 1                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Appfire Technologies, LLC, First lien senior secured delayed draw term loan 2                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Appfire Technologies, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [14],[15] 5.00% [14],[15] 5.00% [14],[15] 5.00% [14],[15]  
Investment Owned, Balance, Principal Amount $ 13,955,000 [11]       $ 12,761,000 [14],[15]        
Amortized Cost 13,891,000 [1],[2],[11]       12,710,000 [4],[7],[14],[15]        
Fair Value $ 13,955,000 [11]       $ 12,761,000 [14],[15]        
Percentage of Net Assets [11] [11] [11] [11] 0.10% [14],[15] 0.10% [14],[15] 0.10% [14],[15] 0.10% [14],[15]  
Investment, Identifier [Axis]: Appfire Technologies, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Aptean Acquiror, Inc. (dba Aptean), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value [10]         $ 0        
Investment, Identifier [Axis]: Aptean Acquiror, Inc. (dba Aptean), First lien senior secured delayed draw term loan 1                  
Schedule of Investments [Line Items]                  
Fair Value [13] 0                
Investment, Identifier [Axis]: Aptean Acquiror, Inc. (dba Aptean), First lien senior secured delayed draw term loan 2                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ 0                
Investment, Identifier [Axis]: Aptean Acquiror, Inc. (dba Aptean), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [11],[12] 5.25% [11],[12] 5.25% [11],[12] 5.25% [11],[12] 5.00% [14],[15] 5.00% [14],[15] 5.00% [14],[15] 5.00% [14],[15]  
Investment Owned, Balance, Principal Amount $ 89,867,000 [11],[12]       $ 88,349,000 [14],[15]        
Amortized Cost 89,078,000 [1],[2],[11],[12]       87,533,000 [4],[7],[14],[15]        
Fair Value $ 89,867,000 [11],[12]       $ 88,128,000 [14],[15]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 0.60% [14],[15] 0.60% [14],[15] 0.60% [14],[15] 0.60% [14],[15]  
Investment, Identifier [Axis]: Aptean Acquiror, Inc. (dba Aptean), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ (18,000) [10]        
Investment, Identifier [Axis]: Aramsco, Inc., First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ (316,000)                
Investment, Identifier [Axis]: Aramsco, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.75% [11] 4.75% [11] 4.75% [11] 4.75% [11] 4.75% [15] 4.75% [15] 4.75% [15] 4.75% [15]  
Investment Owned, Balance, Principal Amount $ 45,290,000 [11]       $ 45,405,000 [15]        
Amortized Cost 44,502,000 [1],[2],[11]       44,587,000 [4],[7],[15]        
Fair Value $ 42,233,000 [11]       $ 41,999,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.30% [15] 0.30% [15] 0.30% [15] 0.30% [15]  
Investment, Identifier [Axis]: Arctic Holdco, LLC (dba Novvia Group), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ 0                
Investment, Identifier [Axis]: Arctic Holdco, LLC (dba Novvia Group), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [11],[12] 5.25% [11],[12] 5.25% [11],[12] 5.25% [11],[12] 6.00% [14],[34] 6.00% [14],[34] 6.00% [14],[34] 6.00% [14],[34]  
Investment Owned, Balance, Principal Amount $ 160,933,000 [11],[12]       $ 20,610,000 [14],[34]        
Amortized Cost 160,201,000 [1],[2],[11],[12]       20,335,000 [4],[7],[14],[34]        
Fair Value $ 160,085,000 [11],[12]       $ 20,610,000 [14],[34]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 0.10% [14],[34] 0.10% [14],[34] 0.10% [14],[34] 0.10% [14],[34]  
Investment, Identifier [Axis]: Arctic Holdco, LLC (dba Novvia Group), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11],[12] 5.25% 5.25% 5.25% 5.25%          
Investment Owned, Balance, Principal Amount [11],[12] $ 5,681,000                
Amortized Cost [1],[2],[11],[12] 5,624,000                
Fair Value [11],[12] 5,622,000                
Fair Value [13] $ 0                
Percentage of Net Assets [11],[12]          
Investment, Identifier [Axis]: Ardonagh Midco 3 PLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 2.75% [23],[32],[36] 2.75% [23],[32],[36] 2.75% [23],[32],[36] 2.75% [23],[32],[36] 3.75% [15],[26] 3.75% [15],[26] 3.75% [15],[26] 3.75% [15],[26]  
Investment Owned, Balance, Principal Amount $ 55,000,000 [23],[32],[36]       $ 55,000,000 [15],[26]        
Amortized Cost 55,000,000 [1],[2],[23],[32],[36]       54,741,000 [4],[7],[15],[26]        
Fair Value $ 54,247,000 [23],[32],[36]       $ 55,275,000 [15],[26]        
Percentage of Net Assets [23],[32],[36] [23],[32],[36] [23],[32],[36] [23],[32],[36] 0.40% [15],[26] 0.40% [15],[26] 0.40% [15],[26] 0.40% [15],[26]  
Investment, Identifier [Axis]: Armstrong Bidco Limited, First lien senior secured GBP delayed draw term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [14],[26],[37]         5.25% 5.25% 5.25% 5.25%  
Investment Owned, Balance, Principal Amount | £ [14],[26],[37]             £ 40,434    
Amortized Cost [4],[7],[14],[26],[37]         $ 48,874,000        
Fair Value [14],[26],[37]         $ 50,385,000        
Percentage of Net Assets [14],[26],[37]         0.30% 0.30% 0.30% 0.30%  
Investment, Identifier [Axis]: Armstrong Bidco Limited, First lien senior secured GBP term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [23],[38] 5.25% 5.25% 5.25% 5.25%          
Investment Owned, Balance, Principal Amount | £ [23],[38]     £ 40,434            
Amortized Cost [1],[2],[23],[38] $ 48,917,000                
Fair Value [23],[38] $ 51,928,000                
Percentage of Net Assets [23],[38]          
Investment, Identifier [Axis]: Artifact Bidco, Inc. (dba Avetta), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Artifact Bidco, Inc. (dba Avetta), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.50% [11] 4.50% [11] 4.50% [11] 4.50% [11] 4.50% [15] 4.50% [15] 4.50% [15] 4.50% [15]  
Investment Owned, Balance, Principal Amount $ 15,498,000 [11]       $ 15,498,000 [15]        
Amortized Cost 15,427,000 [1],[2],[11]       15,425,000 [4],[7],[15]        
Fair Value $ 15,420,000 [11]       $ 15,420,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.10% [15] 0.10% [15] 0.10% [15] 0.10% [15]  
Investment, Identifier [Axis]: Artifact Bidco, Inc. (dba Avetta), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (14,000) [13]       $ (14,000) [10]        
Investment, Identifier [Axis]: Ascend Buyer, LLC (dba PPC Flexible Packaging), First lien senior secured loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.75% [11] 5.75% [11] 5.75% [11] 5.75% [11] 5.75% [14],[15] 5.75% [14],[15] 5.75% [14],[15] 5.75% [14],[15]  
Investment Owned, Balance, Principal Amount $ 82,409,000 [11]       $ 78,779,000 [14],[15]        
Amortized Cost 81,710,000 [1],[2],[11]       78,057,000 [4],[7],[14],[15]        
Fair Value $ 82,409,000 [11]       $ 78,779,000 [14],[15]        
Percentage of Net Assets [11] [11] [11] [11] 0.50% [14],[15] 0.50% [14],[15] 0.50% [14],[15] 0.50% [14],[15]  
Investment, Identifier [Axis]: Ascend Buyer, LLC (dba PPC Flexible Packaging), First lien senior secured loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.00% [11] 6.00% [11] 6.00% [11] 6.00% [11] 6.00% [15] 6.00% [15] 6.00% [15] 6.00% [15]  
Investment Owned, Balance, Principal Amount $ 8,798,000 [11]       $ 8,820,000 [15]        
Amortized Cost 8,677,000 [1],[2],[11]       8,692,000 [4],[7],[15]        
Fair Value $ 8,798,000 [11]       $ 8,820,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.10% [15] 0.10% [15] 0.10% [15] 0.10% [15]  
Investment, Identifier [Axis]: Ascend Buyer, LLC (dba PPC Flexible Packaging), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [14],[15]         5.75% 5.75% 5.75% 5.75%  
Investment Owned, Balance, Principal Amount [14],[15]         $ 1,702,000        
Amortized Cost [4],[7],[14],[15]         1,679,000        
Fair Value [14],[15]         1,702,000        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [14],[15]         0.00% 0.00% 0.00% 0.00%  
Investment, Identifier [Axis]: Ascensus Holdings, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.00% [31],[32] 3.00% [31],[32] 3.00% [31],[32] 3.00% [31],[32] 3.00% [34] 3.00% [34] 3.00% [34] 3.00% [34]  
Investment Owned, Balance, Principal Amount $ 21,817,000 [31],[32]       $ 11,874,000 [34]        
Amortized Cost 21,817,000 [1],[2],[31],[32]       11,874,000 [4],[7],[34]        
Fair Value $ 21,633,000 [31],[32]       $ 11,963,000 [34]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.10% [34] 0.10% [34] 0.10% [34] 0.10% [34]  
Investment, Identifier [Axis]: Associations Finance, Inc., Unsecured notes                  
Schedule of Investments [Line Items]                  
Interest, PIK 14.25% [22] 14.25% [22] 14.25% [22] 14.25% [22] 14.25% [24] 14.25% [24] 14.25% [24] 14.25% [24]  
Investment Owned, Balance, Principal Amount $ 170,400,000 [22]       $ 164,538,000 [24]        
Amortized Cost 169,348,000 [1],[2],[22]       163,452,000 [4],[7],[24]        
Fair Value $ 170,400,000 [22]       $ 164,538,000 [24]        
Percentage of Net Assets [22] [22] [22] [22] 1.10% [24] 1.10% [24] 1.10% [24] 1.10% [24]  
Investment, Identifier [Axis]: Associations, Inc., First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Associations, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.50% [11],[12] 6.50% [11],[12] 6.50% [11],[12] 6.50% [11],[12] 6.50% [14],[15] 6.50% [14],[15] 6.50% [14],[15] 6.50% [14],[15]  
Investment Owned, Balance, Principal Amount $ 433,448,000 [11],[12]       $ 425,811,000 [14],[15]        
Amortized Cost 433,047,000 [1],[2],[11],[12]       425,388,000 [4],[7],[14],[15]        
Fair Value $ 433,448,000 [11],[12]       $ 425,811,000 [14],[15]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 2.90% [14],[15] 2.90% [14],[15] 2.90% [14],[15] 2.90% [14],[15]  
Investment, Identifier [Axis]: Associations, Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: AssuredPartners, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.50% [31],[32] 3.50% [31],[32] 3.50% [31],[32] 3.50% [31],[32] 3.50% [34],[35] 3.50% [34],[35] 3.50% [34],[35] 3.50% [34],[35]  
Investment Owned, Balance, Principal Amount $ 59,702,000 [31],[32]       $ 59,853,000 [34],[35]        
Amortized Cost 59,608,000 [1],[2],[31],[32]       59,755,000 [4],[7],[34],[35]        
Fair Value $ 59,738,000 [31],[32]       $ 59,931,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.40% [34],[35] 0.40% [34],[35] 0.40% [34],[35] 0.40% [34],[35]  
Investment, Identifier [Axis]: Asurion, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [31],[32] 3.25% 3.25% 3.25% 3.25%          
Investment Owned, Balance, Principal Amount [31],[32] $ 20,000,000                
Amortized Cost [1],[2],[31],[32] 20,000,000                
Fair Value [31],[32] $ 19,960,000                
Percentage of Net Assets [31],[32]          
Investment, Identifier [Axis]: Asurion, LLC, Second lien senior secured loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [31],[32] 5.25% [31],[32] 5.25% [31],[32] 5.25% [31],[32] 5.25% [34],[35] 5.25% [34],[35] 5.25% [34],[35] 5.25% [34],[35]  
Investment Owned, Balance, Principal Amount $ 104,017,000 [31],[32]       $ 104,017,000 [34],[35]        
Amortized Cost 100,004,000 [1],[2],[31],[32]       99,785,000 [4],[7],[34],[35]        
Fair Value $ 96,102,000 [31],[32]       $ 100,148,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.70% [34],[35] 0.70% [34],[35] 0.70% [34],[35] 0.70% [34],[35]  
Investment, Identifier [Axis]: Asurion, LLC, Second lien senior secured loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [31],[32] 5.25% [31],[32] 5.25% [31],[32] 5.25% [31],[32] 5.25% [34],[35] 5.25% [34],[35] 5.25% [34],[35] 5.25% [34],[35]  
Investment Owned, Balance, Principal Amount $ 42,700,000 [31],[32]       $ 42,700,000 [34],[35]        
Amortized Cost 40,675,000 [1],[2],[31],[32]       40,511,000 [4],[7],[34],[35]        
Fair Value $ 40,321,000 [31],[32]       $ 41,602,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.30% [34],[35] 0.30% [34],[35] 0.30% [34],[35] 0.30% [34],[35]  
Investment, Identifier [Axis]: Athenahealth Group Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.00% [31],[32] 3.00% [31],[32] 3.00% [31],[32] 3.00% [31],[32] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35]  
Investment Owned, Balance, Principal Amount $ 26,059,000 [31],[32]       $ 26,059,000 [34],[35]        
Amortized Cost 26,059,000 [1],[2],[31],[32]       25,911,000 [4],[7],[34],[35]        
Fair Value $ 25,692,000 [31],[32]       $ 26,088,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.20% [34],[35] 0.20% [34],[35] 0.20% [34],[35] 0.20% [34],[35]  
Investment, Identifier [Axis]: Aurelia Netherlands B.V., First lien senior secured EUR term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.50% [23],[39] 5.50% [23],[39] 5.50% [23],[39] 5.50% [23],[39] 5.75% [26],[40] 5.75% [26],[40] 5.75% [26],[40] 5.75% [26],[40]  
Investment Owned, Balance, Principal Amount | €   € 55,027 [23],[39]       € 55,027 [26],[40]      
Amortized Cost $ 57,732,000 [1],[2],[23],[39]       $ 57,700,000 [4],[7],[26],[40]        
Fair Value $ 59,440,000 [23],[39]       $ 56,695,000 [26],[40]        
Percentage of Net Assets [23],[39] [23],[39] [23],[39] [23],[39] 0.40% [26],[40] 0.40% [26],[40] 0.40% [26],[40] 0.40% [26],[40]  
Investment, Identifier [Axis]: Avalara, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 6.25% [15] 6.25% [15] 6.25% [15] 6.25% [15]  
Investment Owned, Balance, Principal Amount $ 62,500,000 [31],[32]       $ 70,455,000 [15]        
Amortized Cost 62,188,000 [1],[2],[31],[32]       69,706,000 [4],[7],[15]        
Fair Value $ 62,206,000 [31],[32]       $ 70,455,000 [15]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.50% [15] 0.50% [15] 0.50% [15] 0.50% [15]  
Investment, Identifier [Axis]: Avalara, Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value [10]         $ 0        
Investment, Identifier [Axis]: Azalea TopCo, Inc. (dba Press Ganey), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35]  
Investment Owned, Balance, Principal Amount $ 65,070,000 [31],[32]       $ 61,122,000 [34],[35]        
Amortized Cost 65,064,000 [1],[2],[31],[32]       61,122,000 [4],[7],[34],[35]        
Fair Value $ 64,679,000 [31],[32]       $ 61,238,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.40% [34],[35] 0.40% [34],[35] 0.40% [34],[35] 0.40% [34],[35]  
Investment, Identifier [Axis]: Azuria Water Solutions, Inc. (f/k/a Aegion Corporation), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.00% [31],[32],[41] 3.00% [31],[32],[41] 3.00% [31],[32],[41] 3.00% [31],[32],[41] 3.75% [33],[34],[35] 3.75% [33],[34],[35] 3.75% [33],[34],[35] 3.75% [33],[34],[35]  
Investment Owned, Balance, Principal Amount $ 36,756,000 [31],[32],[41]       $ 36,848,000 [33],[34],[35]        
Amortized Cost 36,756,000 [1],[2],[31],[32],[41]       36,848,000 [4],[7],[33],[34],[35]        
Fair Value $ 36,492,000 [31],[32],[41]       $ 37,069,000 [33],[34],[35]        
Percentage of Net Assets [31],[32],[41] [31],[32],[41] [31],[32],[41] [31],[32],[41] 0.30% [33],[34],[35] 0.30% [33],[34],[35] 0.30% [33],[34],[35] 0.30% [33],[34],[35]  
Investment, Identifier [Axis]: Azurite Intermediate Holdings, Inc. (dba Alteryx, Inc.), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.50% [31] 6.50% [31] 6.50% [31] 6.50% [31] 6.50% [14],[34] 6.50% [14],[34] 6.50% [14],[34] 6.50% [14],[34]  
Investment Owned, Balance, Principal Amount $ 17,955,000 [31]       $ 17,955,000 [14],[34]        
Amortized Cost 17,718,000 [1],[2],[31]       17,658,000 [4],[7],[14],[34]        
Fair Value $ 17,820,000 [31]       $ 17,820,000 [14],[34]        
Percentage of Net Assets [31] [31] [31] [31] 0.10% [14],[34] 0.10% [14],[34] 0.10% [14],[34] 0.10% [14],[34]  
Investment, Identifier [Axis]: Azurite Intermediate Holdings, Inc. (dba Alteryx, Inc.), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (15,000) [13]       $ (15,000) [10]        
Investment, Identifier [Axis]: BCPE Empire Holdings, Inc. (dba Imperial-Dade), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 3.50% [34],[35] 3.50% [34],[35] 3.50% [34],[35] 3.50% [34],[35]  
Investment Owned, Balance, Principal Amount $ 93,171,000 [31],[32]       $ 63,564,000 [34],[35]        
Amortized Cost 93,165,000 [1],[2],[31],[32]       63,564,000 [4],[7],[34],[35]        
Fair Value $ 91,736,000 [31],[32]       $ 63,831,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.40% [34],[35] 0.40% [34],[35] 0.40% [34],[35] 0.40% [34],[35]  
Investment, Identifier [Axis]: BCPE Osprey Buyer, Inc. (dba PartsSource), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.75% [12],[31] 5.75% [12],[31] 5.75% [12],[31] 5.75% [12],[31] 5.75% [14],[29],[34] 5.75% [14],[29],[34] 5.75% [14],[29],[34] 5.75% [14],[29],[34]  
Investment Owned, Balance, Principal Amount $ 10,916,000 [12],[31]       $ 10,943,000 [14],[29],[34]        
Amortized Cost 10,628,000 [1],[2],[12],[31]       10,634,000 [4],[7],[14],[29],[34]        
Fair Value 10,725,000 [12],[31]       10,752,000 [14],[29],[34]        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [12],[31] [12],[31] [12],[31] [12],[31] 0.10% [14],[29],[34] 0.10% [14],[29],[34] 0.10% [14],[29],[34] 0.10% [14],[29],[34]  
Investment, Identifier [Axis]: BCPE Osprey Buyer, Inc. (dba PartsSource), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.75% [11] 5.75% [11] 5.75% [11] 5.75% [11] 5.75% [15] 5.75% [15] 5.75% [15] 5.75% [15]  
Investment Owned, Balance, Principal Amount $ 52,545,000 [11]       $ 52,681,000 [15]        
Amortized Cost 52,074,000 [1],[2],[11]       52,180,000 [4],[7],[15]        
Fair Value $ 51,888,000 [11]       $ 52,023,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.40% [15] 0.40% [15] 0.40% [15] 0.40% [15]  
Investment, Identifier [Axis]: BCPE Osprey Buyer, Inc. (dba PartsSource), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.75% [12],[31] 5.75% [12],[31] 5.75% [12],[31] 5.75% [12],[31] 5.75% [14],[34] 5.75% [14],[34] 5.75% [14],[34] 5.75% [14],[34]  
Investment Owned, Balance, Principal Amount $ 4,293,000 [12],[31]       $ 3,103,000 [14],[34]        
Amortized Cost 4,272,000 [1],[2],[12],[31]       3,079,000 [4],[7],[14],[34]        
Fair Value 4,235,000 [12],[31]       3,045,000 [14],[34]        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [12],[31] [12],[31] [12],[31] [12],[31] 0.00% [14],[34] 0.00% [14],[34] 0.00% [14],[34] 0.00% [14],[34]  
Investment, Identifier [Axis]: BCPE Pequod Buyer, Inc. (dba Envestnet), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.50% [11],[32] 3.50% [11],[32] 3.50% [11],[32] 3.50% [11],[32] 3.50% [34],[35] 3.50% [34],[35] 3.50% [34],[35] 3.50% [34],[35]  
Investment Owned, Balance, Principal Amount $ 113,336,000 [11],[32]       $ 113,336,000 [34],[35]        
Amortized Cost 111,131,000 [1],[2],[11],[32]       111,064,000 [4],[7],[34],[35]        
Fair Value $ 112,894,000 [11],[32]       $ 114,164,000 [34],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.80% [34],[35] 0.80% [34],[35] 0.80% [34],[35] 0.80% [34],[35]  
Investment, Identifier [Axis]: BCPE Pequod Buyer, Inc. (dba Envestnet), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (250,000) [13]       $ (83,000) [10]        
Investment, Identifier [Axis]: BCTO BSI Buyer, Inc. (dba Buildertrend), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.50% [11] 6.50% [11] 6.50% [11] 6.50% [11] 6.50% [15] 6.50% [15] 6.50% [15] 6.50% [15]  
Investment Owned, Balance, Principal Amount $ 1,198,000 [11]           £ 1,201 [15]    
Amortized Cost 1,194,000 [1],[2],[11]       $ 1,196,000 [4],[7],[15]        
Fair Value $ 1,198,000 [11]       $ 1,201,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.00% [15] 0.00% [15] 0.00% [15] 0.00% [15]  
Investment, Identifier [Axis]: BCTO BSI Buyer, Inc. (dba Buildertrend), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: BCTO WIW Holdings, Inc. (dba When I Work), Class A Common Stock                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 57,000 [16],[30] 57,000 [16],[30] 57,000 [16],[30] 57,000 [16],[30] 57,000,000 [27],[28] 57,000,000 [27],[28] 57,000,000 [27],[28] 57,000,000 [27],[28]  
Amortized Cost $ 5,700,000 [1],[2],[16],[30]       $ 5,700,000 [4],[7],[27],[28]        
Fair Value $ 2,948,000 [16],[30]       $ 3,116,000 [27],[28]        
Percentage of Net Assets [16],[30] [16],[30] [16],[30] [16],[30] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28]  
Investment, Identifier [Axis]: BEHP Co-Investor II, L.P., LP Interest                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 1,269,969 [16],[23],[30] 1,269,969 [16],[23],[30] 1,269,969 [16],[23],[30] 1,269,969 [16],[23],[30] 1,269,969,000 [26],[27],[28] 1,269,969,000 [26],[27],[28] 1,269,969,000 [26],[27],[28] 1,269,969,000 [26],[27],[28]  
Amortized Cost $ 1,042,000 [1],[2],[16],[23],[30]       $ 1,042,000 [4],[7],[26],[27],[28]        
Fair Value $ 1,297,000 [16],[23],[30]       $ 1,297,000 [26],[27],[28]        
Percentage of Net Assets [16],[23],[30] [16],[23],[30] [16],[23],[30] [16],[23],[30] 0.00% [26],[27],[28] 0.00% [26],[27],[28] 0.00% [26],[27],[28] 0.00% [26],[27],[28]  
Investment, Identifier [Axis]: BEP Intermediate Holdco, LLC (dba Buyers Edge Platform), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.25% [31] 3.25% [31] 3.25% [31] 3.25% [31] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35]  
Investment Owned, Balance, Principal Amount $ 31,753,000 [31]       $ 31,833,000 [34],[35]        
Amortized Cost 31,753,000 [1],[2],[31]       31,833,000 [4],[7],[34],[35]        
Fair Value $ 31,753,000 [31]       $ 32,011,000 [34],[35]        
Percentage of Net Assets [31] [31] [31] [31] 0.20% [34],[35] 0.20% [34],[35] 0.20% [34],[35] 0.20% [34],[35]  
Investment, Identifier [Axis]: BTRS HOLDINGS INC. (dba Billtrust), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value [10]         $ 0        
Investment, Identifier [Axis]: BTRS HOLDINGS INC. (dba Billtrust), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [14],[15],[29]         7.25% 7.25% 7.25% 7.25%  
Investment Owned, Balance, Principal Amount [14],[15],[29]         $ 12,197,000        
Amortized Cost [4],[7],[14],[15],[29]         11,933,000        
Fair Value [14],[15],[29]         $ 12,165,000        
Percentage of Net Assets [14],[15],[29]         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: BTRS HOLDINGS INC. (dba Billtrust), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value [10]         $ 0        
Investment, Identifier [Axis]: BTRS Holdings Inc. (dba Billtrust), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11],[12] 5.50% 5.50% 5.50% 5.50%          
Investment Owned, Balance, Principal Amount [11],[12] $ 31,936,000                
Amortized Cost [1],[2],[11],[12] 31,634,000                
Fair Value [11],[12] $ 31,851,000                
Percentage of Net Assets [11],[12]          
Investment, Identifier [Axis]: BTRS Holdings Inc. (dba Billtrust), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ 0                
Investment, Identifier [Axis]: BW Holding, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [15],[35]         4.00% 4.00% 4.00% 4.00%  
Investment Owned, Balance, Principal Amount [15],[35]         $ 21,506,000        
Amortized Cost [4],[7],[15],[35]         20,835,000        
Fair Value [15],[35]         $ 19,104,000        
Percentage of Net Assets [15],[35]         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Baker Tilly Advisory Group, L.P., First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value [10]         $ 0        
Investment, Identifier [Axis]: Baker Tilly Advisory Group, L.P., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [34]         4.75% 4.75% 4.75% 4.75%  
Investment Owned, Balance, Principal Amount [34]         $ 99,002,000        
Amortized Cost [4],[7],[34]         97,612,000        
Fair Value [34]         $ 98,507,000        
Percentage of Net Assets [34]         0.70% 0.70% 0.70% 0.70%  
Investment, Identifier [Axis]: Baker Tilly Advisory Group, L.P., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value [10]         $ (105,000)        
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ (37,000)                
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [31] 4.75% 4.75% 4.75% 4.75%          
Investment Owned, Balance, Principal Amount [31] $ 98,754,000                
Amortized Cost [1],[2],[31] 97,409,000                
Fair Value [31] $ 97,766,000                
Percentage of Net Assets [31]          
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ (209,000)                
Investment, Identifier [Axis]: Balrog Acquisition, Inc. (dba Bakemark), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.00% [31],[32] 4.00% [31],[32] 4.00% [31],[32] 4.00% [31],[32] 4.00% [15],[35] 4.00% [15],[35] 4.00% [15],[35] 4.00% [15],[35]  
Investment Owned, Balance, Principal Amount $ 13,545,000 [31],[32]       $ 13,580,000 [15],[35]        
Amortized Cost 13,467,000 [1],[2],[31],[32]       13,497,000 [4],[7],[15],[35]        
Fair Value $ 13,511,000 [31],[32]       $ 13,600,000 [15],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.10% [15],[35] 0.10% [15],[35] 0.10% [15],[35] 0.10% [15],[35]  
Investment, Identifier [Axis]: Balrog Acquisition, Inc. (dba Bakemark), Second lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 7.00% [31] 7.00% [31] 7.00% [31] 7.00% [31] 7.00% [15] 7.00% [15] 7.00% [15] 7.00% [15]  
Investment Owned, Balance, Principal Amount $ 6,000,000 [31]       $ 6,000,000 [15]        
Amortized Cost 5,967,000 [1],[2],[31]       5,966,000 [4],[7],[15]        
Fair Value $ 6,000,000 [31]       $ 6,000,000 [15]        
Percentage of Net Assets [31] [31] [31] [31] 0.00% [15] 0.00% [15] 0.00% [15] 0.00% [15]  
Investment, Identifier [Axis]: Bamboo US BidCo LLC, First lien senior secured EUR term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [39] 5.25% [39] 5.25% [39] 5.25% [39] 5.25% [40] 5.25% [40] 5.25% [40] 5.25% [40]  
Investment Owned, Balance, Principal Amount | €   € 61,443 [39]       € 61,594 [40]      
Amortized Cost $ 64,641,000 [1],[2],[39]       $ 64,801,000 [4],[7],[40]        
Fair Value $ 66,371,000 [39]       $ 63,781,000 [40]        
Percentage of Net Assets [39] [39] [39] [39] 0.40% [40] 0.40% [40] 0.40% [40] 0.40% [40]  
Investment, Identifier [Axis]: Bamboo US BidCo LLC, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ 0                
Investment, Identifier [Axis]: Bamboo US BidCo LLC, First lien senior secured delayed draw term loan 1                  
Schedule of Investments [Line Items]                  
Fair Value [10]         $ 0        
Investment, Identifier [Axis]: Bamboo US BidCo LLC, First lien senior secured delayed draw term loan 2                  
Schedule of Investments [Line Items]                  
Fair Value [10]         $ 0        
Investment, Identifier [Axis]: Bamboo US BidCo LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [11] 5.25% [11] 5.25% [11] 5.25% [11] 5.25% [14],[15] 5.25% [14],[15] 5.25% [14],[15] 5.25% [14],[15]  
Investment Owned, Balance, Principal Amount $ 113,865,000 [11]       $ 107,931,000 [14],[15]        
Amortized Cost 113,774,000 [1],[2],[11]       107,931,000 [4],[7],[14],[15]        
Fair Value $ 113,865,000 [11]       $ 107,931,000 [14],[15]        
Percentage of Net Assets [11] [11] [11] [11] 0.70% [14],[15] 0.70% [14],[15] 0.70% [14],[15] 0.70% [14],[15]  
Investment, Identifier [Axis]: Bamboo US BidCo LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Barracuda Networks, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.50% [11],[32] 4.50% [11],[32] 4.50% [11],[32] 4.50% [11],[32] 4.50% [15],[35] 4.50% [15],[35] 4.50% [15],[35] 4.50% [15],[35]  
Investment Owned, Balance, Principal Amount $ 14,118,000 [11],[32]       $ 14,154,000 [15],[35]        
Amortized Cost 13,820,000 [1],[2],[11],[32]       13,839,000 [4],[7],[15],[35]        
Fair Value $ 12,177,000 [11],[32]       $ 13,058,000 [15],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.10% [15],[35] 0.10% [15],[35] 0.10% [15],[35] 0.10% [15],[35]  
Investment, Identifier [Axis]: Barracuda Networks, Inc., Second lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 7.00% [11] 7.00% [11] 7.00% [11] 7.00% [11] 7.00% [15] 7.00% [15] 7.00% [15] 7.00% [15]  
Investment Owned, Balance, Principal Amount $ 93,250,000 [11]       $ 93,250,000 [15]        
Amortized Cost 91,102,000 [1],[2],[11]       91,030,000 [4],[7],[15]        
Fair Value $ 70,637,000 [11]       $ 74,600,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.50% [15] 0.50% [15] 0.50% [15] 0.50% [15]  
Investment, Identifier [Axis]: Barracuda Parent, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11] 6.50% 6.50% 6.50% 6.50%          
Investment Owned, Balance, Principal Amount [11] $ 34,116,000                
Amortized Cost [1],[2],[11] 33,102,000                
Fair Value [11] $ 32,325,000                
Percentage of Net Assets [11]          
Investment, Identifier [Axis]: Bayshore Intermediate #2, L.P. (dba Boomi), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 2.88% [11] 2.88% [11] 2.88% [11] 2.88% [11] 6.25% [15] 6.25% [15] 6.25% [15] 6.25% [15]  
Interest, PIK 3.38% [11] 3.38% [11] 3.38% [11] 3.38% [11] 3.38% [15] 3.38% [15] 3.38% [15] 3.38% [15]  
Investment Owned, Balance, Principal Amount $ 214,589,000 [11]           £ 212,779 [15]    
Amortized Cost 214,554,000 [1],[2],[11]       $ 212,742,000 [4],[7],[15]        
Fair Value $ 214,589,000 [11]       $ 212,779,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 1.50% [15] 1.50% [15] 1.50% [15] 1.50% [15]  
Investment, Identifier [Axis]: Bayshore Intermediate #2, L.P. (dba Boomi), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Belmont Buyer, Inc. (dba Valenz), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Belmont Buyer, Inc. (dba Valenz), First lien senior secured loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.50% [11] 6.50% [11] 6.50% [11] 6.50% [11] 6.50% [14],[15] 6.50% [14],[15] 6.50% [14],[15] 6.50% [14],[15]  
Investment Owned, Balance, Principal Amount $ 68,446,000 [11]       $ 68,619,000 [14],[15]        
Amortized Cost 67,371,000 [1],[2],[11]       67,489,000 [4],[7],[14],[15]        
Fair Value $ 68,446,000 [11]       $ 68,619,000 [14],[15]        
Percentage of Net Assets [11] [11] [11] [11] 0.50% [14],[15] 0.50% [14],[15] 0.50% [14],[15] 0.50% [14],[15]  
Investment, Identifier [Axis]: Belmont Buyer, Inc. (dba Valenz), First lien senior secured loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.21% [11] 5.21% [11] 5.21% [11] 5.21% [11] 5.25% [15] 5.25% [15] 5.25% [15] 5.25% [15]  
Investment Owned, Balance, Principal Amount $ 42,943,000 [11]       $ 43,051,000 [15]        
Amortized Cost 42,658,000 [1],[2],[11]       42,751,000 [4],[7],[15]        
Fair Value $ 42,621,000 [11]       $ 42,728,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.30% [15] 0.30% [15] 0.30% [15] 0.30% [15]  
Investment, Identifier [Axis]: Belmont Buyer, Inc. (dba Valenz), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.50% [12],[36] 6.50% [12],[36] 6.50% [12],[36] 6.50% [12],[36] 6.50% [14],[42] 6.50% [14],[42] 6.50% [14],[42] 6.50% [14],[42]  
Investment Owned, Balance, Principal Amount $ 2,217,000 [12],[36]       $ 2,217,000 [14],[42]        
Amortized Cost 2,123,000 [1],[2],[12],[36]       2,118,000 [4],[7],[14],[42]        
Fair Value 2,217,000 [12],[36]       2,217,000 [14],[42]        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [12],[36] [12],[36] [12],[36] [12],[36] 0.00% [14],[42] 0.00% [14],[42] 0.00% [14],[42] 0.00% [14],[42]  
Investment, Identifier [Axis]: Berlin Packaging, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.50% [31],[32] 3.50% [31],[32] 3.50% [31],[32] 3.50% [31],[32] 3.50% [15],[35] 3.50% [15],[35] 3.50% [15],[35] 3.50% [15],[35]  
Investment Owned, Balance, Principal Amount $ 94,650,000 [31],[32]       $ 100,887,000 [15],[35]        
Amortized Cost 94,650,000 [1],[2],[31],[32]       100,887,000 [4],[7],[15],[35]        
Fair Value $ 94,252,000 [31],[32]       $ 101,391,000 [15],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.70% [15],[35] 0.70% [15],[35] 0.70% [15],[35] 0.70% [15],[35]  
Investment, Identifier [Axis]: Bird Holding B.V. (fka MessageBird Holding B.V.), Extended Series C Warrants                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 7,980 [16],[23],[30] 7,980 [16],[23],[30] 7,980 [16],[23],[30] 7,980 [16],[23],[30] 7,980,000 [26],[27],[28] 7,980,000 [26],[27],[28] 7,980,000 [26],[27],[28] 7,980,000 [26],[27],[28]  
Amortized Cost $ 49,000 [1],[2],[16],[23],[30]       $ 49,000 [4],[7],[26],[27],[28]        
Fair Value $ 12,000 [16],[23],[30]       $ 12,000 [26],[27],[28]        
Percentage of Net Assets [16],[23],[30] [16],[23],[30] [16],[23],[30] [16],[23],[30] 0.00% [26],[27],[28] 0.00% [26],[27],[28] 0.00% [26],[27],[28] 0.00% [26],[27],[28]  
Investment, Identifier [Axis]: Blackhawk Network Holdings, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.00% [31],[32] 4.00% [31],[32] 4.00% [31],[32] 4.00% [31],[32] 5.00% [34],[35] 5.00% [34],[35] 5.00% [34],[35] 5.00% [34],[35]  
Investment Owned, Balance, Principal Amount $ 123,067,000 [31],[32]       $ 74,625,000 [34],[35]        
Amortized Cost 123,067,000 [1],[2],[31],[32]       73,256,000 [4],[7],[34],[35]        
Fair Value $ 122,427,000 [31],[32]       $ 75,453,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.50% [34],[35] 0.50% [34],[35] 0.50% [34],[35] 0.50% [34],[35]  
Investment, Identifier [Axis]: Blast Bidco Inc. (dba Bazooka Candy Brands), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.00% [11] 6.00% [11] 6.00% [11] 6.00% [11] 6.00% [15] 6.00% [15] 6.00% [15] 6.00% [15]  
Investment Owned, Balance, Principal Amount $ 35,463,000 [11]       $ 35,552,000 [15]        
Amortized Cost 34,713,000 [1],[2],[11]       34,776,000 [4],[7],[15]        
Fair Value $ 35,463,000 [11]       $ 35,552,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.20% [15] 0.20% [15] 0.20% [15] 0.20% [15]  
Investment, Identifier [Axis]: Blast Bidco Inc. (dba Bazooka Candy Brands), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Blue Owl Credit SLF LLC                  
Schedule of Investments [Line Items]                  
Fair Value $ 5,327,000       $ 4,294,000       0
Investment, Identifier [Axis]: Blue Owl Credit SLF LLC, LLC Interest                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 5,500 [21],[23],[30],[43] 5,500 [21],[23],[30],[43] 5,500 [21],[23],[30],[43] 5,500 [21],[23],[30],[43] 4,270,000 4,270,000 4,270,000 4,270,000  
Amortized Cost $ 5,502,000 [1],[2],[21],[23],[30],[43]       $ 4,270,000 [4],[7],[25],[26],[28],[44]        
Fair Value $ 5,327,000 [21],[23],[30],[43]       $ 4,294,000 [25],[26],[28],[44]        
Percentage of Net Assets [21],[23],[30],[43] [21],[23],[30],[43] [21],[23],[30],[43] [21],[23],[30],[43] 0.00% [25],[26],[28],[44] 0.00% [25],[26],[28],[44] 0.00% [25],[26],[28],[44] 0.00% [25],[26],[28],[44]  
Investment, Identifier [Axis]: Boxer Parent Company Inc. (f/k/a BMC), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.00% [11],[32] 3.00% [11],[32] 3.00% [11],[32] 3.00% [11],[32] 3.75% [15],[35] 3.75% [15],[35] 3.75% [15],[35] 3.75% [15],[35]  
Investment Owned, Balance, Principal Amount $ 68,250,000 [11],[32]       $ 63,250,000 [15],[35]        
Amortized Cost 68,213,000 [1],[2],[11],[32]       63,094,000 [4],[7],[15],[35]        
Fair Value $ 66,981,000 [11],[32]       $ 63,718,000 [15],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.40% [15],[35] 0.40% [15],[35] 0.40% [15],[35] 0.40% [15],[35]  
Investment, Identifier [Axis]: Bracket Intermediate Holding Corp., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.25% [11],[32] 4.25% [11],[32] 4.25% [11],[32] 4.25% [11],[32] 4.25% [15],[35] 4.25% [15],[35] 4.25% [15],[35] 4.25% [15],[35]  
Investment Owned, Balance, Principal Amount $ 49,128,000 [11],[32]       $ 49,252,000 [15],[35]        
Amortized Cost 49,128,000 [1],[2],[11],[32]       49,252,000 [4],[7],[15],[35]        
Fair Value $ 49,251,000 [11],[32]       $ 49,621,000 [15],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.30% [15],[35] 0.30% [15],[35] 0.30% [15],[35] 0.30% [15],[35]  
Investment, Identifier [Axis]: BradyPLUS Holdings, LLC (f/k/a BradyIFS Holdings, LLC), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: BradyPLUS Holdings, LLC (f/k/a BradyIFS Holdings, LLC), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [11],[12] 5.00% [11],[12] 5.00% [11],[12] 5.00% [11],[12] 5.00% [14],[15] 5.00% [14],[15] 5.00% [14],[15] 5.00% [14],[15]  
Investment Owned, Balance, Principal Amount $ 175,943,000 [11],[12]       $ 176,385,000 [14],[15]        
Amortized Cost 174,442,000 [1],[2],[11],[12]       174,813,000 [4],[7],[14],[15]        
Fair Value $ 175,943,000 [11],[12]       $ 176,385,000 [14],[15]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 1.20% [14],[15] 1.20% [14],[15] 1.20% [14],[15] 1.20% [14],[15]  
Investment, Identifier [Axis]: Brightway Holdings, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.75% [11],[12] 5.75% [11],[12] 5.75% [11],[12] 5.75% [11],[12] 6.50% [14],[15] 6.50% [14],[15] 6.50% [14],[15] 6.50% [14],[15]  
Investment Owned, Balance, Principal Amount $ 21,080,000 [11],[12]       $ 19,487,000 [14],[15]        
Amortized Cost 20,928,000 [1],[2],[11],[12]       19,347,000 [4],[7],[14],[15]        
Fair Value $ 21,080,000 [11],[12]       $ 19,390,000 [14],[15]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 0.10% [14],[15] 0.10% [14],[15] 0.10% [14],[15] 0.10% [14],[15]  
Investment, Identifier [Axis]: Brightway Holdings, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [14],[34]         6.50% 6.50% 6.50% 6.50%  
Investment Owned, Balance, Principal Amount [14],[34]         $ 842,000        
Amortized Cost [4],[7],[14],[34]         829,000        
Fair Value [14],[34]         832,000        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [14],[34]         0.00% 0.00% 0.00% 0.00%  
Investment, Identifier [Axis]: Broadcast Music, Inc. (fka Otis Merger Sub, Inc.), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [34]         5.75% 5.75% 5.75% 5.75%  
Investment Owned, Balance, Principal Amount [34]         $ 34,318,000        
Amortized Cost [4],[7],[34]         33,558,000        
Fair Value [34]         $ 34,060,000        
Percentage of Net Assets [34]         0.20% 0.20% 0.20% 0.20%  
Investment, Identifier [Axis]: Broadcast Music, Inc. (fka Otis Merger Sub, Inc.), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value [10]         $ (47,000)        
Investment, Identifier [Axis]: Broadstreet Partners, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.00% [31],[32] 3.00% [31],[32] 3.00% [31],[32] 3.00% [31],[32] 3.00% [34],[35] 3.00% [34],[35] 3.00% [34],[35] 3.00% [34],[35]  
Investment Owned, Balance, Principal Amount $ 13,566,000 [31],[32]       $ 13,600,000 [34],[35]        
Amortized Cost 13,566,000 [1],[2],[31],[32]       13,600,000 [4],[7],[34],[35]        
Fair Value $ 13,437,000 [31],[32]       $ 13,634,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.10% [34],[35] 0.10% [34],[35] 0.10% [34],[35] 0.10% [34],[35]  
Investment, Identifier [Axis]: Brooklyn Lender Co-Invest 2, L.P. (dba Boomi), Common Units                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 1,729,439 [16],[30] 1,729,439 [16],[30] 1,729,439 [16],[30] 1,729,439 [16],[30] 1,729,439,000 [27],[28] 1,729,439,000 [27],[28] 1,729,439,000 [27],[28] 1,729,439,000 [27],[28]  
Amortized Cost $ 1,729,000 [1],[2],[16],[30]       $ 1,729,000 [4],[7],[27],[28]        
Fair Value $ 2,596,000 [16],[30]       $ 2,596,000 [27],[28]        
Percentage of Net Assets [16],[30] [16],[30] [16],[30] [16],[30] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28]  
Investment, Identifier [Axis]: CCI BUYER, INC. (dba Consumer Cellular), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.00% [11],[32] 4.00% [11],[32] 4.00% [11],[32] 4.00% [11],[32] 4.00% [15],[33],[35] 4.00% [15],[33],[35] 4.00% [15],[33],[35] 4.00% [15],[33],[35]  
Investment Owned, Balance, Principal Amount $ 39,486,000 [11],[32]       $ 39,589,000 [15],[33],[35]        
Amortized Cost 39,248,000 [1],[2],[11],[32]       39,331,000 [4],[7],[15],[33],[35]        
Fair Value $ 39,474,000 [11],[32]       $ 39,573,000 [15],[33],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.30% [15],[33],[35] 0.30% [15],[33],[35] 0.30% [15],[33],[35] 0.30% [15],[33],[35]  
Investment, Identifier [Axis]: CCM Midco, LLC (f/k/a Cresset Capital Management, LLC), First lien senior secured delayed draw term loan 1                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ 0                
Investment, Identifier [Axis]: CCM Midco, LLC (f/k/a Cresset Capital Management, LLC), First lien senior secured delayed draw term loan 2                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ 0                
Investment, Identifier [Axis]: CCM Midco, LLC (f/k/a Cresset Capital Management, LLC), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [31] 5.00% 5.00% 5.00% 5.00%          
Investment Owned, Balance, Principal Amount [31] $ 15,554,000                
Amortized Cost [1],[2],[31] 15,415,000                
Fair Value [31] $ 15,554,000                
Percentage of Net Assets [31]          
Investment, Identifier [Axis]: CCM Midco, LLC (f/k/a Cresset Capital Management, LLC), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ 0                
Investment, Identifier [Axis]: CD&R Value Building Partners I, L.P. (dba Belron), LP Interest                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 36,993 [16],[23],[30],[43] 36,993 [16],[23],[30],[43] 36,993 [16],[23],[30],[43] 36,993 [16],[23],[30],[43] 33,000,000 [26],[27],[28],[44] 33,000,000 [26],[27],[28],[44] 33,000,000 [26],[27],[28],[44] 33,000,000 [26],[27],[28],[44]  
Amortized Cost $ 35,967,000 [1],[2],[16],[23],[30],[43]       $ 31,934,000 [4],[7],[26],[27],[28],[44]        
Fair Value $ 41,607,000 [16],[23],[30],[43]       $ 38,072,000 [26],[27],[28],[44]        
Percentage of Net Assets [16],[23],[30],[43] [16],[23],[30],[43] [16],[23],[30],[43] [16],[23],[30],[43] 0.30% [26],[27],[28],[44] 0.30% [26],[27],[28],[44] 0.30% [26],[27],[28],[44] 0.30% [26],[27],[28],[44]  
Investment, Identifier [Axis]: CHA Vision Holdings, Inc. (fka FR Vision Holdings, Inc.), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: CHA Vision Holdings, Inc. (fka FR Vision Holdings, Inc.), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [11],[12] 5.00% [11],[12] 5.00% [11],[12] 5.00% [11],[12] 5.50% [14],[15] 5.50% [14],[15] 5.50% [14],[15] 5.50% [14],[15]  
Investment Owned, Balance, Principal Amount $ 51,519,000 [11],[12]       $ 51,648,000 [14],[15]        
Amortized Cost 51,007,000 [1],[2],[11],[12]       51,119,000 [4],[7],[14],[15]        
Fair Value $ 51,519,000 [11],[12]       $ 51,648,000 [14],[15]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 0.40% [14],[15] 0.40% [14],[15] 0.40% [14],[15] 0.40% [14],[15]  
Investment, Identifier [Axis]: CHA Vision Holdings, Inc. (fka FR Vision Holdings, Inc.), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: CMG HoldCo, LLC (dba Crete United), First lien senior secured delayed draw term loan 1                  
Schedule of Investments [Line Items]                  
Fair Value (51,000) [13]       (101,000) [10]        
Investment, Identifier [Axis]: CMG HoldCo, LLC (dba Crete United), First lien senior secured delayed draw term loan 2                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: CMG HoldCo, LLC (dba Crete United), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.75% [12],[36] 4.75% [12],[36] 4.75% [12],[36] 4.75% [12],[36] 4.75% [14],[15] 4.75% [14],[15] 4.75% [14],[15] 4.75% [14],[15]  
Investment Owned, Balance, Principal Amount $ 54,508,000 [12],[36]       $ 53,738,000 [14],[15]        
Amortized Cost 53,816,000 [1],[2],[12],[36]       52,990,000 [4],[7],[14],[15]        
Fair Value $ 54,147,000 [12],[36]       $ 53,021,000 [14],[15]        
Percentage of Net Assets [12],[36] [12],[36] [12],[36] [12],[36] 0.40% [14],[15] 0.40% [14],[15] 0.40% [14],[15] 0.40% [14],[15]  
Investment, Identifier [Axis]: CMG HoldCo, LLC (dba Crete United), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: CP PIK DEBT ISSUER, LLC (dba CivicPlus, LLC), Unsecured notes                  
Schedule of Investments [Line Items]                  
Interest, PIK 12.00% [36] 12.00% [36] 12.00% [36] 12.00% [36] 11.75% [42] 11.75% [42] 11.75% [42] 11.75% [42]  
Investment Owned, Balance, Principal Amount $ 20,135,000 [36]       $ 20,135,000 [42]        
Amortized Cost 19,821,000 [1],[2],[36]       19,813,000 [4],[7],[42]        
Fair Value $ 20,135,000 [36]       $ 20,135,000 [42]        
Percentage of Net Assets [36] [36] [36] [36] 0.10% [42] 0.10% [42] 0.10% [42] 0.10% [42]  
Investment, Identifier [Axis]: CPM Holdings, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.50% [31],[32],[41] 4.50% [31],[32],[41] 4.50% [31],[32],[41] 4.50% [31],[32],[41] 4.50% [33],[34],[35] 4.50% [33],[34],[35] 4.50% [33],[34],[35] 4.50% [33],[34],[35]  
Investment Owned, Balance, Principal Amount $ 39,400,000 [31],[32],[41]       $ 49,500,000 [33],[34],[35]        
Amortized Cost 38,577,000 [1],[2],[31],[32],[41]       48,402,000 [4],[7],[33],[34],[35]        
Fair Value $ 38,667,000 [31],[32],[41]       $ 47,906,000 [33],[34],[35]        
Percentage of Net Assets [31],[32],[41] [31],[32],[41] [31],[32],[41] [31],[32],[41] 0.30% [33],[34],[35] 0.30% [33],[34],[35] 0.30% [33],[34],[35] 0.30% [33],[34],[35]  
Investment, Identifier [Axis]: CPM Holdings, Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (93,000) [13]       $ (161,000) [10]        
Investment, Identifier [Axis]: CSC MKG Topco LLC (dba Medical Knowledge Group), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.75% [31] 5.75% [31] 5.75% [31] 5.75% [31] 5.75% [14],[34] 5.75% [14],[34] 5.75% [14],[34] 5.75% [14],[34]  
Investment Owned, Balance, Principal Amount $ 98,517,000 [31]       $ 98,770,000 [14],[34]        
Amortized Cost 97,252,000 [1],[2],[31]       97,435,000 [4],[7],[14],[34]        
Fair Value $ 97,777,000 [31]       $ 97,782,000 [14],[34]        
Percentage of Net Assets [31] [31] [31] [31] 0.70% [14],[34] 0.70% [14],[34] 0.70% [14],[34] 0.70% [14],[34]  
Investment, Identifier [Axis]: CT Technologies Intermediate Holdings, Inc. (& Smart Holdings Corp.) (dba Datavant), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ (30,000) [10]        
Investment, Identifier [Axis]: CT Technologies Intermediate Holdings, Inc. (& Smart Holdings Corp.) (dba Datavant), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [31] 5.00% [31] 5.00% [31] 5.00% [31] 5.00% [34] 5.00% [34] 5.00% [34] 5.00% [34]  
Investment Owned, Balance, Principal Amount $ 349,962,000 [31]       $ 350,839,000 [34]        
Amortized Cost 348,075,000 [1],[2],[31]       348,894,000 [4],[7],[34]        
Fair Value $ 349,962,000 [31]       $ 349,962,000 [34]        
Percentage of Net Assets [31] [31] [31] [31] 2.40% [34] 2.40% [34] 2.40% [34] 2.40% [34]  
Investment, Identifier [Axis]: CT Technologies Intermediate Holdings, Inc. (& Smart Holdings Corp.) (dba Datavant), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ (75,000) [10]        
Investment, Identifier [Axis]: Cambrex Corporation, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ (166,000)                
Investment, Identifier [Axis]: Cambrex Corporation, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [31] 4.75% 4.75% 4.75% 4.75%          
Investment Owned, Balance, Principal Amount [31] $ 223,073,000                
Amortized Cost [1],[2],[31] 220,859,000                
Fair Value [31] $ 220,842,000                
Percentage of Net Assets [31]          
Investment, Identifier [Axis]: Cambrex Corporation, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ (291,000)                
Investment, Identifier [Axis]: Canadian Hospital Specialties Limited, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.50% [23],[45] 4.50% [23],[45] 4.50% [23],[45] 4.50% [23],[45] 4.50% [14],[26],[46] 4.50% [14],[26],[46] 4.50% [14],[26],[46] 4.50% [14],[26],[46]  
Investment Owned, Balance, Principal Amount       $ 4,823 [23],[45]       $ 4,834 [14],[26],[46]  
Amortized Cost $ 3,820,000 [1],[2],[23],[45]       $ 3,826,000 [4],[7],[14],[26],[46]        
Fair Value $ 3,266,000 [23],[45]       $ 3,261,000 [14],[26],[46]        
Percentage of Net Assets [23],[45] [23],[45] [23],[45] [23],[45] 0.00% [14],[26],[46] 0.00% [14],[26],[46] 0.00% [14],[26],[46] 0.00% [14],[26],[46]  
Investment, Identifier [Axis]: Canadian Hospital Specialties Limited, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.50% [12],[23],[45] 4.50% [12],[23],[45] 4.50% [12],[23],[45] 4.50% [12],[23],[45] 4.50% [14],[26],[46] 4.50% [14],[26],[46] 4.50% [14],[26],[46] 4.50% [14],[26],[46]  
Investment Owned, Balance, Principal Amount       $ 366 [12],[23],[45]       $ 367 [14],[26],[46]  
Amortized Cost $ 290,000 [1],[2],[12],[23],[45]       $ 290,000 [4],[7],[14],[26],[46]        
Fair Value 244,000 [12],[23],[45]       242,000 [14],[26],[46]        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [12],[23],[45] [12],[23],[45] [12],[23],[45] [12],[23],[45] 0.00% [14],[26],[46] 0.00% [14],[26],[46] 0.00% [14],[26],[46] 0.00% [14],[26],[46]  
Investment, Identifier [Axis]: Capstone Acquisition Holdings, Inc., First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (2,000) [13]       $ 0 [10]        
Investment, Identifier [Axis]: Capstone Acquisition Holdings, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.50% [31] 4.50% [31] 4.50% [31] 4.50% [31] 4.50% [34] 4.50% [34] 4.50% [34] 4.50% [34]  
Investment Owned, Balance, Principal Amount $ 85,142,000 [31]       $ 85,324,000 [34]        
Amortized Cost 84,581,000 [1],[2],[31]       84,736,000 [4],[7],[34]        
Fair Value $ 84,716,000 [31]       $ 85,110,000 [34]        
Percentage of Net Assets [31] [31] [31] [31] 0.60% [34] 0.60% [34] 0.60% [34] 0.60% [34]  
Investment, Identifier [Axis]: Cast & Crew Payroll, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.75% [31],[32],[41] 3.75% [31],[32],[41] 3.75% [31],[32],[41] 3.75% [31],[32],[41] 3.75% [34],[35] 3.75% [34],[35] 3.75% [34],[35] 3.75% [34],[35]  
Investment Owned, Balance, Principal Amount $ 29,718,000 [31],[32],[41]       $ 29,795,000 [34],[35]        
Amortized Cost 29,548,000 [1],[2],[31],[32],[41]       29,611,000 [4],[7],[34],[35]        
Fair Value $ 28,601,000 [31],[32],[41]       $ 28,833,000 [34],[35]        
Percentage of Net Assets [31],[32],[41] [31],[32],[41] [31],[32],[41] [31],[32],[41] 0.20% [34],[35] 0.20% [34],[35] 0.20% [34],[35] 0.20% [34],[35]  
Investment, Identifier [Axis]: Catalis Intermediate, Inc. (fka GovBrands Intermediate, Inc.), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.50% [11],[12] 5.50% [11],[12] 5.50% [11],[12] 5.50% [11],[12] 5.50% [14],[15] 5.50% [14],[15] 5.50% [14],[15] 5.50% [14],[15]  
Investment Owned, Balance, Principal Amount $ 10,194,000 [11],[12]       $ 10,219,000 [14],[15]        
Amortized Cost 10,080,000 [1],[2],[11],[12]       10,094,000 [4],[7],[14],[15]        
Fair Value $ 9,924,000 [11],[12]       $ 9,922,000 [14],[15]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 0.10% [14],[15] 0.10% [14],[15] 0.10% [14],[15] 0.10% [14],[15]  
Investment, Identifier [Axis]: Catalis Intermediate, Inc. (fka GovBrands Intermediate, Inc.), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Central Parent Inc. (dba CDK Global Inc.), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.25% [11],[32] 3.25% [11],[32] 3.25% [11],[32] 3.25% [11],[32] 3.25% [15],[35] 3.25% [15],[35] 3.25% [15],[35] 3.25% [15],[35]  
Investment Owned, Balance, Principal Amount $ 9,283,000 [11],[32]       $ 9,306,000 [15],[35]        
Amortized Cost 9,283,000 [1],[2],[11],[32]       9,306,000 [4],[7],[15],[35]        
Fair Value $ 7,944,000 [11],[32]       $ 9,168,000 [15],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.10% [15],[35] 0.10% [15],[35] 0.10% [15],[35] 0.10% [15],[35]  
Investment, Identifier [Axis]: Certinia Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [11] 5.25% [11] 5.25% [11] 5.25% [11] 5.25% [15] 5.25% [15] 5.25% [15] 5.25% [15]  
Investment Owned, Balance, Principal Amount $ 44,118,000 [11]       $ 44,118,000 [15]        
Amortized Cost 43,538,000 [1],[2],[11]       43,517,000 [4],[7],[15]        
Fair Value $ 44,118,000 [11]       $ 44,118,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.30% [15] 0.30% [15] 0.30% [15] 0.30% [15]  
Investment, Identifier [Axis]: Certinia Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Chariot Buyer LLC (dba Chamberlain Group), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35]  
Investment Owned, Balance, Principal Amount $ 28,840,000 [31],[32]       $ 3,915,000 [34],[35]        
Amortized Cost 28,865,000 [1],[2],[31],[32]       3,915,000 [4],[7],[34],[35]        
Fair Value $ 28,546,000 [31],[32]       $ 3,934,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.00% [34],[35] 0.00% [34],[35] 0.00% [34],[35] 0.00% [34],[35]  
Investment, Identifier [Axis]: Charter NEX US, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.00% [31],[32] 3.00% [31],[32] 3.00% [31],[32] 3.00% [31],[32] 3.00% [34],[35] 3.00% [34],[35] 3.00% [34],[35] 3.00% [34],[35]  
Investment Owned, Balance, Principal Amount $ 25,626,000 [31],[32]       $ 25,693,000 [34],[35]        
Amortized Cost 25,626,000 [1],[2],[31],[32]       25,693,000 [4],[7],[34],[35]        
Fair Value $ 25,578,000 [31],[32]       $ 25,806,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.20% [34],[35] 0.20% [34],[35] 0.20% [34],[35] 0.20% [34],[35]  
Investment, Identifier [Axis]: Chrome Investors LP, LP Interest                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares [12],[16],[23],[30] 7,339,000 7,339,000 7,339,000 7,339,000          
Amortized Cost [1],[2],[12],[16],[23],[30] $ 7,341,000                
Fair Value [12],[16],[23],[30] 7,339,000                
Fair Value [13] $ 0                
Percentage of Net Assets [12],[16],[23],[30]          
Investment, Identifier [Axis]: Chrysaor Bidco s.à r.l. (dba AlterDomus), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Chrysaor Bidco s.à r.l. (dba AlterDomus), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.50% [11],[23],[32] 3.50% [11],[23],[32] 3.50% [11],[23],[32] 3.50% [11],[23],[32] 3.50% [26],[34],[35] 3.50% [26],[34],[35] 3.50% [26],[34],[35] 3.50% [26],[34],[35]  
Investment Owned, Balance, Principal Amount $ 9,288,000 [11],[23],[32]       $ 9,311,000 [26],[34],[35]        
Amortized Cost 9,288,000 [1],[2],[11],[23],[32]       9,311,000 [4],[7],[26],[34],[35]        
Fair Value $ 9,293,000 [11],[23],[32]       $ 9,375,000 [26],[34],[35]        
Percentage of Net Assets [11],[23],[32] [11],[23],[32] [11],[23],[32] [11],[23],[32] 0.10% [26],[34],[35] 0.10% [26],[34],[35] 0.10% [26],[34],[35] 0.10% [26],[34],[35]  
Investment, Identifier [Axis]: Cirque du Soleil Canada, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.75% [11],[23],[32],[41] 3.75% [11],[23],[32],[41] 3.75% [11],[23],[32],[41] 3.75% [11],[23],[32],[41] 3.75% [15],[26],[33],[35] 3.75% [15],[26],[33],[35] 3.75% [15],[26],[33],[35] 3.75% [15],[26],[33],[35]  
Investment Owned, Balance, Principal Amount $ 41,962,000 [11],[23],[32],[41]       $ 37,072,000 [15],[26],[33],[35]        
Amortized Cost 41,868,000 [1],[2],[11],[23],[32],[41]       36,989,000 [4],[7],[15],[26],[33],[35]        
Fair Value $ 41,673,000 [11],[23],[32],[41]       $ 36,423,000 [15],[26],[33],[35]        
Percentage of Net Assets [11],[23],[32],[41] [11],[23],[32],[41] [11],[23],[32],[41] [11],[23],[32],[41] 0.30% [15],[26],[33],[35] 0.30% [15],[26],[33],[35] 0.30% [15],[26],[33],[35] 0.30% [15],[26],[33],[35]  
Investment, Identifier [Axis]: Citrin Cooperman Advisors LLC, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ (3,000)                
Investment, Identifier [Axis]: Citrin Cooperman Advisors LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [31],[32] 3.00% 3.00% 3.00% 3.00%          
Investment Owned, Balance, Principal Amount [31],[32] $ 16,439,000                
Amortized Cost [1],[2],[31],[32] 16,357,000                
Fair Value [31],[32] $ 16,306,000                
Percentage of Net Assets [31],[32]          
Investment, Identifier [Axis]: CivicPlus, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.75% [11] 5.75% [11] 5.75% [11] 5.75% [11] 5.75% [14],[15] 5.75% [14],[15] 5.75% [14],[15] 5.75% [14],[15]  
Investment Owned, Balance, Principal Amount $ 28,605,000 [11]       $ 28,605,000 [14],[15]        
Amortized Cost 28,470,000 [1],[2],[11]       28,458,000 [4],[7],[14],[15]        
Fair Value $ 28,605,000 [11]       $ 28,605,000 [14],[15]        
Percentage of Net Assets [11] [11] [11] [11] 0.20% [14],[15] 0.20% [14],[15] 0.20% [14],[15] 0.20% [14],[15]  
Investment, Identifier [Axis]: CivicPlus, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Cloud Software Group, Inc., First lien senior secured loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.75% [11],[32] 3.75% [11],[32] 3.75% [11],[32] 3.75% [11],[32] 3.75% [15],[35] 3.75% [15],[35] 3.75% [15],[35] 3.75% [15],[35]  
Investment Owned, Balance, Principal Amount $ 79,812,000 [11],[32]       $ 80,012,000 [15],[35]        
Amortized Cost 79,812,000 [1],[2],[11],[32]       80,012,000 [4],[7],[15],[35]        
Fair Value $ 78,958,000 [11],[32]       $ 80,180,000 [15],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.60% [15],[35] 0.60% [15],[35] 0.60% [15],[35] 0.60% [15],[35]  
Investment, Identifier [Axis]: Cloud Software Group, Inc., First lien senior secured loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.50% [11],[32] 3.50% [11],[32] 3.50% [11],[32] 3.50% [11],[32] 3.50% [15],[35] 3.50% [15],[35] 3.50% [15],[35] 3.50% [15],[35]  
Investment Owned, Balance, Principal Amount $ 55,156,000 [11],[32]       $ 55,295,000 [15],[35]        
Amortized Cost 55,156,000 [1],[2],[11],[32]       55,295,000 [4],[7],[15],[35]        
Fair Value $ 54,594,000 [11],[32]       $ 55,416,000 [15],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.40% [15],[35] 0.40% [15],[35] 0.40% [15],[35] 0.40% [15],[35]  
Investment, Identifier [Axis]: Clover Holdings 2, LLC (dba Cohesity), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.00% [11],[32] 4.00% [11],[32] 4.00% [11],[32] 4.00% [11],[32] 4.00% [15] 4.00% [15] 4.00% [15] 4.00% [15]  
Investment Owned, Balance, Principal Amount $ 69,821,000 [11],[32]       $ 69,821,000 [15]        
Amortized Cost 69,155,000 [1],[2],[11],[32]       69,136,000 [4],[7],[15]        
Fair Value $ 68,949,000 [11],[32]       $ 69,123,000 [15]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.50% [15] 0.50% [15] 0.50% [15] 0.50% [15]  
Investment, Identifier [Axis]: Clydesdale Acquisition Holdings, Inc. (dba Novolex), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ 0                
Investment, Identifier [Axis]: Clydesdale Acquisition Holdings, Inc. (dba Novolex), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [12],[31] 3.25% 3.25% 3.25% 3.25%          
Investment Owned, Balance, Principal Amount [12],[31] $ 132,766,000                
Amortized Cost [1],[2],[12],[31] 131,753,000                
Fair Value [12],[31] $ 131,771,000                
Percentage of Net Assets [12],[31]          
Investment, Identifier [Axis]: Cohnreznick Advisory LLC, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ 0                
Investment, Identifier [Axis]: Cohnreznick Advisory LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [31] 4.00% 4.00% 4.00% 4.00%          
Investment Owned, Balance, Principal Amount [31] $ 36,541,000                
Amortized Cost [1],[2],[31] 36,359,000                
Fair Value [31] $ 36,359,000                
Percentage of Net Assets [31]          
Investment, Identifier [Axis]: Color Intermediate, LLC (dba ClaimsXten), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.75% [11] 4.75% [11] 4.75% [11] 4.75% [11] 4.75% [15] 4.75% [15] 4.75% [15] 4.75% [15]  
Investment Owned, Balance, Principal Amount $ 9,050,000 [11]       $ 9,073,000 [15]        
Amortized Cost 9,050,000 [1],[2],[11]       9,073,000 [4],[7],[15]        
Fair Value $ 9,050,000 [11]       $ 9,073,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.10% [15] 0.10% [15] 0.10% [15] 0.10% [15]  
Investment, Identifier [Axis]: Computer Services, Inc. (dba CSI), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Computer Services, Inc. (dba CSI), First lien senior secured loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [11] 5.25% [11] 5.25% [11] 5.25% [11] 5.25% [14],[15] 5.25% [14],[15] 5.25% [14],[15] 5.25% [14],[15]  
Investment Owned, Balance, Principal Amount $ 52,383,000 [11]       $ 52,518,000 [14],[15]        
Amortized Cost 51,826,000 [1],[2],[11]       51,935,000 [4],[7],[14],[15]        
Fair Value $ 52,383,000 [11]       $ 52,518,000 [14],[15]        
Percentage of Net Assets [11] [11] [11] [11] 0.40% [14],[15] 0.40% [14],[15] 0.40% [14],[15] 0.40% [14],[15]  
Investment, Identifier [Axis]: Computer Services, Inc. (dba CSI), First lien senior secured loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.75% [11] 4.75% [11] 4.75% [11] 4.75% [11] 4.75% [15] 4.75% [15] 4.75% [15] 4.75% [15]  
Investment Owned, Balance, Principal Amount $ 18,417,000 [11]       $ 18,464,000 [15]        
Amortized Cost 18,331,000 [1],[2],[11]       18,374,000 [4],[7],[15]        
Fair Value $ 18,371,000 [11]       $ 18,371,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.10% [15] 0.10% [15] 0.10% [15] 0.10% [15]  
Investment, Identifier [Axis]: Conair Holdings LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.75% [31],[32] 3.75% [31],[32] 3.75% [31],[32] 3.75% [31],[32] 3.75% [34],[35] 3.75% [34],[35] 3.75% [34],[35] 3.75% [34],[35]  
Investment Owned, Balance, Principal Amount $ 44,801,000 [31],[32]       $ 44,917,000 [34],[35]        
Amortized Cost 44,493,000 [1],[2],[31],[32]       44,587,000 [4],[7],[34],[35]        
Fair Value $ 38,511,000 [31],[32]       $ 40,223,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.30% [34],[35] 0.30% [34],[35] 0.30% [34],[35] 0.30% [34],[35]  
Investment, Identifier [Axis]: Conair Holdings LLC, Second lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 7.50% [31] 7.50% [31] 7.50% [31] 7.50% [31] 7.50% [34] 7.50% [34] 7.50% [34] 7.50% [34]  
Investment Owned, Balance, Principal Amount $ 22,591,000 [31]       $ 22,591,000 [34]        
Amortized Cost 22,366,000 [1],[2],[31]       22,354,000 [4],[7],[34]        
Fair Value $ 19,880,000 [31]       $ 20,728,000 [34]        
Percentage of Net Assets [31] [31] [31] [31] 0.10% [34] 0.10% [34] 0.10% [34] 0.10% [34]  
Investment, Identifier [Axis]: Confluent Health, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [31] 5.00% [31] 5.00% [31] 5.00% [31] 5.00% [34] 5.00% [34] 5.00% [34] 5.00% [34]  
Investment Owned, Balance, Principal Amount $ 19,800,000 [31]       $ 19,850,000 [34]        
Amortized Cost 19,342,000 [1],[2],[31]       19,344,000 [4],[7],[34]        
Fair Value $ 18,909,000 [31]       $ 19,652,000 [34]        
Percentage of Net Assets [31] [31] [31] [31] 0.10% [34] 0.10% [34] 0.10% [34] 0.10% [34]  
Investment, Identifier [Axis]: Confluent Medical Technologies, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.25% [11] 3.25% [11] 3.25% [11] 3.25% [11] 3.25% [15],[35] 3.25% [15],[35] 3.25% [15],[35] 3.25% [15],[35]  
Investment Owned, Balance, Principal Amount $ 76,611,000 [11]             $ 78,803 [15],[35]  
Amortized Cost 76,611,000 [1],[2],[11]       $ 78,803,000 [4],[7],[15],[35]        
Fair Value $ 76,419,000 [11]       $ 79,095,000 [15],[35]        
Percentage of Net Assets [11] [11] [11] [11] 0.50% [15],[35] 0.50% [15],[35] 0.50% [15],[35] 0.50% [15],[35]  
Investment, Identifier [Axis]: ConnectWise, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.50% [11],[32] 3.50% [11],[32] 3.50% [11],[32] 3.50% [11],[32] 3.50% [15],[35] 3.50% [15],[35] 3.50% [15],[35] 3.50% [15],[35]  
Investment Owned, Balance, Principal Amount $ 44,282,000 [11],[32]       $ 29,397,000 [15],[35]        
Amortized Cost 44,360,000 [1],[2],[11],[32]       29,440,000 [4],[7],[15],[35]        
Fair Value $ 44,198,000 [11],[32]       $ 29,550,000 [15],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.20% [15],[35] 0.20% [15],[35] 0.20% [15],[35] 0.20% [15],[35]  
Investment, Identifier [Axis]: Continental Finance Company, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [31] 8.00% 8.00% 8.00% 8.00%          
Investment Owned, Balance, Principal Amount [31] $ 13,250,000                
Amortized Cost [1],[2],[31] 13,119,000                
Fair Value [31] $ 13,118,000                
Percentage of Net Assets [31]          
Investment, Identifier [Axis]: Controlled/affiliated - equity commitments                  
Schedule of Investments [Line Items]                  
Fair Value [13]                
Investment, Identifier [Axis]: CoolSys, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.75% [32],[36] 4.75% [32],[36] 4.75% [32],[36] 4.75% [32],[36] 4.75% [15] 4.75% [15] 4.75% [15] 4.75% [15]  
Investment Owned, Balance, Principal Amount $ 13,701,000 [32],[36]       $ 13,737,000 [15]        
Amortized Cost 12,987,000 [1],[2],[32],[36]       12,976,000 [4],[7],[15]        
Fair Value $ 12,331,000 [32],[36]       $ 13,359,000 [15]        
Percentage of Net Assets [32],[36] [32],[36] [32],[36] [32],[36] 0.10% [15] 0.10% [15] 0.10% [15] 0.10% [15]  
Investment, Identifier [Axis]: CoreLogic Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.50% [31],[32],[41] 3.50% [31],[32],[41] 3.50% [31],[32],[41] 3.50% [31],[32],[41] 3.50% [33],[34],[35] 3.50% [33],[34],[35] 3.50% [33],[34],[35] 3.50% [33],[34],[35]  
Investment Owned, Balance, Principal Amount $ 23,778,000 [31],[32],[41]       $ 23,840,000 [33],[34],[35]        
Amortized Cost 23,355,000 [1],[2],[31],[32],[41]       23,388,000 [4],[7],[33],[34],[35]        
Fair Value $ 23,279,000 [31],[32],[41]       $ 23,508,000 [33],[34],[35]        
Percentage of Net Assets [31],[32],[41] [31],[32],[41] [31],[32],[41] [31],[32],[41] 0.20% [33],[34],[35] 0.20% [33],[34],[35] 0.20% [33],[34],[35] 0.20% [33],[34],[35]  
Investment, Identifier [Axis]: CoreTrust Purchasing Group LLC, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: CoreTrust Purchasing Group LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [31] 5.25% [31] 5.25% [31] 5.25% [31] 5.25% [34] 5.25% [34] 5.25% [34] 5.25% [34]  
Investment Owned, Balance, Principal Amount $ 112,333,000 [31]       $ 112,617,000 [34]        
Amortized Cost 111,433,000 [1],[2],[31]       111,675,000 [4],[7],[34]        
Fair Value $ 112,333,000 [31]       $ 112,617,000 [34]        
Percentage of Net Assets [31] [31] [31] [31] 0.80% [34] 0.80% [34] 0.80% [34] 0.80% [34]  
Investment, Identifier [Axis]: CoreTrust Purchasing Group LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Cornerstone OnDemand, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.75% [31],[32],[41] 3.75% [31],[32],[41] 3.75% [31],[32],[41] 3.75% [31],[32],[41] 3.75% [33],[34],[35] 3.75% [33],[34],[35] 3.75% [33],[34],[35] 3.75% [33],[34],[35]  
Investment Owned, Balance, Principal Amount $ 19,400,000 [31],[32],[41]       $ 19,450,000 [33],[34],[35]        
Amortized Cost 19,345,000 [1],[2],[31],[32],[41]       19,391,000 [4],[7],[33],[34],[35]        
Fair Value $ 16,758,000 [31],[32],[41]       $ 17,028,000 [33],[34],[35]        
Percentage of Net Assets [31],[32],[41] [31],[32],[41] [31],[32],[41] [31],[32],[41] 0.10% [33],[34],[35] 0.10% [33],[34],[35] 0.10% [33],[34],[35] 0.10% [33],[34],[35]  
Investment, Identifier [Axis]: Cornerstone OnDemand, Inc., Second lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.50% [31] 6.50% [31] 6.50% [31] 6.50% [31] 6.50% [34] 6.50% [34] 6.50% [34] 6.50% [34]  
Investment Owned, Balance, Principal Amount $ 44,583,000 [31]       $ 44,583,000 [34]        
Amortized Cost 44,144,000 [1],[2],[31]       44,125,000 [4],[7],[34]        
Fair Value $ 37,561,000 [31]       $ 38,007,000 [34]        
Percentage of Net Assets [31] [31] [31] [31] 0.30% [34] 0.30% [34] 0.30% [34] 0.30% [34]  
Investment, Identifier [Axis]: Cotiviti, Inc., First lien senior secured loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [31] 2.75% 2.75% 2.75% 2.75%          
Investment Owned, Balance, Principal Amount [31] $ 39,900,000                
Amortized Cost [1],[2],[31] 39,388,000                
Fair Value [31] $ 39,002,000                
Percentage of Net Assets [31]          
Investment, Identifier [Axis]: Cotiviti, Inc., First lien senior secured loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [31],[32] 2.75% 2.75% 2.75% 2.75%          
Investment Owned, Balance, Principal Amount [31],[32] $ 5,000,000                
Amortized Cost [1],[2],[31],[32] 4,913,000                
Fair Value [31],[32] $ 4,881,000                
Percentage of Net Assets [31],[32]          
Investment, Identifier [Axis]: Coupa Holdings, LLC, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Coupa Holdings, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [11] 5.25% [11] 5.25% [11] 5.25% [11] 5.25% [15] 5.25% [15] 5.25% [15] 5.25% [15]  
Investment Owned, Balance, Principal Amount $ 24,161,000 [11]       $ 24,222,000 [15]        
Amortized Cost 24,161,000 [1],[2],[11]       24,222,000 [4],[7],[15]        
Fair Value $ 24,161,000 [11]       $ 24,222,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.20% [15] 0.20% [15] 0.20% [15] 0.20% [15]  
Investment, Identifier [Axis]: Coupa Holdings, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Covetrus, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [11],[32] 5.00% [11],[32] 5.00% [11],[32] 5.00% [11],[32] 5.00% [15],[35] 5.00% [15],[35] 5.00% [15],[35] 5.00% [15],[35]  
Investment Owned, Balance, Principal Amount $ 35,217,000 [11],[32]       $ 10,306,000 [15],[35]        
Amortized Cost 34,054,000 [1],[2],[11],[32]       9,879,000 [4],[7],[15],[35]        
Fair Value $ 33,787,000 [11],[32]       $ 9,888,000 [15],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.10% [15],[35] 0.10% [15],[35] 0.10% [15],[35] 0.10% [15],[35]  
Investment, Identifier [Axis]: Covetrus, Inc., Second lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 9.25% [11] 9.25% [11] 9.25% [11] 9.25% [11] 9.25% [15] 9.25% [15] 9.25% [15] 9.25% [15]  
Investment Owned, Balance, Principal Amount $ 160,000,000 [11]       $ 160,000,000 [15]        
Amortized Cost 157,396,000 [1],[2],[11]       157,317,000 [4],[7],[15]        
Fair Value $ 155,600,000 [11]       $ 155,600,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 1.10% [15] 1.10% [15] 1.10% [15] 1.10% [15]  
Investment, Identifier [Axis]: Creek Parent, Inc. (dba Catalent), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [31] 5.25% [31] 5.25% [31] 5.25% [31] 5.25% [34] 5.25% [34] 5.25% [34] 5.25% [34]  
Investment Owned, Balance, Principal Amount $ 294,578,000 [31]             $ 294,578 [34]  
Amortized Cost 289,575,000 [1],[2],[31]       $ 289,444,000 [4],[7],[34]        
Fair Value $ 293,106,000 [31]       $ 289,423,000 [34]        
Percentage of Net Assets [31] [31] [31] [31] 2.00% [34] 2.00% [34] 2.00% [34] 2.00% [34]  
Investment, Identifier [Axis]: Creek Parent, Inc. (dba Catalent), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (211,000) [13]       $ (740,000) [10]        
Investment, Identifier [Axis]: Cresset Capital Management, LLC, First lien senior secured delayed draw term loan 1                  
Schedule of Investments [Line Items]                  
Fair Value [10]         0        
Investment, Identifier [Axis]: Cresset Capital Management, LLC, First lien senior secured delayed draw term loan 2                  
Schedule of Investments [Line Items]                  
Fair Value [10]         $ 0        
Investment, Identifier [Axis]: Cresset Capital Management, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [34]         5.00% 5.00% 5.00% 5.00%  
Investment Owned, Balance, Principal Amount [34]         $ 15,593,000        
Amortized Cost [4],[7],[34]         15,449,000        
Fair Value [34]         $ 15,593,000        
Percentage of Net Assets [34]         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Cresset Capital Management, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value [10]         $ 0        
Investment, Identifier [Axis]: Crewline Buyer, Inc. (dba New Relic), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.75% [31] 6.75% [31] 6.75% [31] 6.75% [31] 6.75% [34] 6.75% [34] 6.75% [34] 6.75% [34]  
Investment Owned, Balance, Principal Amount $ 171,701,000 [31]       $ 171,701,000 [34]        
Amortized Cost 169,484,000 [1],[2],[31]       169,413,000 [4],[7],[34]        
Fair Value $ 169,984,000 [31]       $ 169,555,000 [34]        
Percentage of Net Assets [31] [31] [31] [31] 1.20% [34] 1.20% [34] 1.20% [34] 1.20% [34]  
Investment, Identifier [Axis]: Crewline Buyer, Inc. (dba New Relic), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (172,000) [13]       $ (215,000) [10]        
Investment, Identifier [Axis]: D4C Dental Brands, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.50% [11],[41] 4.50% [11],[41] 4.50% [11],[41] 4.50% [11],[41] 4.50% [15],[33] 4.50% [15],[33] 4.50% [15],[33] 4.50% [15],[33]  
Investment Owned, Balance, Principal Amount $ 136,244,000 [11],[41]       $ 118,000,000 [15],[33]        
Amortized Cost 135,094,000 [1],[2],[11],[41]       116,839,000 [4],[7],[15],[33]        
Fair Value $ 134,882,000 [11],[41]       $ 116,820,000 [15],[33]        
Percentage of Net Assets [11],[41] [11],[41] [11],[41] [11],[41] 0.80% [15],[33] 0.80% [15],[33] 0.80% [15],[33] 0.80% [15],[33]  
Investment, Identifier [Axis]: D4C Dental Brands, Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (131,000) [13]       $ (113,000) [10]        
Investment, Identifier [Axis]: DCG ACQUISITION CORP. (dba DuBois Chemical), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: DCG ACQUISITION CORP. (dba DuBois Chemical), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.50% [11] 4.50% [11] 4.50% [11] 4.50% [11] 4.50% [34] 4.50% [34] 4.50% [34] 4.50% [34]  
Investment Owned, Balance, Principal Amount $ 95,076,000 [11]       $ 95,076,000 [34]        
Amortized Cost 94,206,000 [1],[2],[11]       94,180,000 [4],[7],[34]        
Fair Value $ 94,600,000 [11]       $ 94,600,000 [34]        
Percentage of Net Assets [11] [11] [11] [11] 0.70% [34] 0.70% [34] 0.70% [34] 0.70% [34]  
Investment, Identifier [Axis]: DCG ACQUISITION CORP. (dba DuBois Chemical), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (79,000) [13]       $ (79,000) [10]        
Investment, Identifier [Axis]: Databricks, Inc., First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ (83,000) [10]        
Investment, Identifier [Axis]: Databricks, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.50% [31] 4.50% [31] 4.50% [31] 4.50% [31] 4.50% [34] 4.50% [34] 4.50% [34] 4.50% [34]  
Investment Owned, Balance, Principal Amount $ 73,469,000 [31]       $ 73,469,000 [34]        
Amortized Cost 73,114,000 [1],[2],[31]       73,102,000 [4],[7],[34]        
Fair Value $ 73,102,000 [31]       $ 73,102,000 [34]        
Percentage of Net Assets [31] [31] [31] [31] 0.50% [34] 0.50% [34] 0.50% [34] 0.50% [34]  
Investment, Identifier [Axis]: Dealer Tire Financial, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.00% [31] 3.00% [31] 3.00% [31] 3.00% [31] 3.00% [34],[35] 3.00% [34],[35] 3.00% [34],[35] 3.00% [34],[35]  
Investment Owned, Balance, Principal Amount $ 30,263,000 [31]       $ 30,339,000 [34],[35]        
Amortized Cost 30,263,000 [1],[2],[31]       30,339,000 [4],[7],[34],[35]        
Fair Value $ 30,112,000 [31]       $ 30,339,000 [34],[35]        
Percentage of Net Assets [31] [31] [31] [31] 0.20% [34],[35] 0.20% [34],[35] 0.20% [34],[35] 0.20% [34],[35]  
Investment, Identifier [Axis]: Dealer Tire Financial, LLC, Unsecured notes                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 8.00% [22],[32],[41] 8.00% [22],[32],[41] 8.00% [22],[32],[41] 8.00% [22],[32],[41] 8.00% [24],[33],[35] 8.00% [24],[33],[35] 8.00% [24],[33],[35] 8.00% [24],[33],[35]  
Investment Owned, Balance, Principal Amount $ 56,120,000 [22],[32],[41]       $ 56,120,000 [24],[33],[35]        
Amortized Cost 55,388,000 [1],[2],[22],[32],[41]       55,332,000 [4],[7],[24],[33],[35]        
Fair Value $ 54,689,000 [22],[32],[41]       $ 55,014,000 [24],[33],[35]        
Percentage of Net Assets [22],[32],[41] [22],[32],[41] [22],[32],[41] [22],[32],[41] 0.40% [24],[33],[35] 0.40% [24],[33],[35] 0.40% [24],[33],[35] 0.40% [24],[33],[35]  
Investment, Identifier [Axis]: Deerfield Dakota Holdings, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.75% [11],[32] 3.75% [11],[32] 3.75% [11],[32] 3.75% [11],[32] 3.75% [15],[35] 3.75% [15],[35] 3.75% [15],[35] 3.75% [15],[35]  
Investment Owned, Balance, Principal Amount $ 96,959,000 [11],[32]       $ 97,214,000 [15],[35]        
Amortized Cost 96,413,000 [1],[2],[11],[32]       96,606,000 [4],[7],[15],[35]        
Fair Value $ 91,801,000 [11],[32]       $ 94,900,000 [15],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.70% [15],[35] 0.70% [15],[35] 0.70% [15],[35] 0.70% [15],[35]  
Investment, Identifier [Axis]: Deerfield Dakota Holdings, Second lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.75% [11] 6.75% [11] 6.75% [11] 6.75% [11] 6.75% [15],[35] 6.75% [15],[35] 6.75% [15],[35] 6.75% [15],[35]  
Investment Owned, Balance, Principal Amount $ 21,476,000 [11]       $ 21,476,000 [15],[35]        
Amortized Cost 21,497,000 [1],[2],[11]       21,499,000 [4],[7],[15],[35]        
Fair Value $ 20,455,000 [11]       $ 20,430,000 [15],[35]        
Percentage of Net Assets [11] [11] [11] [11] 0.10% [15],[35] 0.10% [15],[35] 0.10% [15],[35] 0.10% [15],[35]  
Investment, Identifier [Axis]: Delta TopCo, Inc. (dba Infoblox, Inc.), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [15],[35]         3.50% 3.50% 3.50% 3.50%  
Investment Owned, Balance, Principal Amount [15],[35]         $ 28,824,000        
Amortized Cost [4],[7],[15],[35]         28,755,000        
Fair Value [15],[35]         $ 29,035,000        
Percentage of Net Assets [15],[35]         0.20% 0.20% 0.20% 0.20%  
Investment, Identifier [Axis]: Delta TopCo, Inc. (dba Infoblox, Inc.), Second lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [11],[32] 5.25% [11],[32] 5.25% [11],[32] 5.25% [11],[32] 5.25% [35],[42] 5.25% [35],[42] 5.25% [35],[42] 5.25% [35],[42]  
Investment Owned, Balance, Principal Amount $ 33,000,000 [11],[32]       $ 33,000,000 [35],[42]        
Amortized Cost 32,846,000 [1],[2],[11],[32]       32,840,000 [4],[7],[35],[42]        
Fair Value $ 32,927,000 [11],[32]       $ 33,429,000 [35],[42]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.20% [35],[42] 0.20% [35],[42] 0.20% [35],[42] 0.20% [35],[42]  
Investment, Identifier [Axis]: Denali BuyerCo, LLC (dba Summit Companies), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ 0                
Investment, Identifier [Axis]: Denali BuyerCo, LLC (dba Summit Companies), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [11],[12] 5.25% [11],[12] 5.25% [11],[12] 5.25% [11],[12] 5.75% [14],[15] 5.75% [14],[15] 5.75% [14],[15] 5.75% [14],[15]  
Investment Owned, Balance, Principal Amount $ 210,406,000 [11],[12]       $ 195,728,000 [14],[15]        
Amortized Cost 208,222,000 [1],[2],[11],[12]       193,780,000 [4],[7],[14],[15]        
Fair Value $ 209,880,000 [11],[12]       $ 195,728,000 [14],[15]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 1.30% [14],[15] 1.30% [14],[15] 1.30% [14],[15] 1.30% [14],[15]  
Investment, Identifier [Axis]: Denali BuyerCo, LLC (dba Summit Companies), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (25,000) [13]       $ 0 [10]        
Investment, Identifier [Axis]: Denali Holding, LP (dba Summit Companies), Class A Units                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 686,513 [16],[30] 686,513 [16],[30] 686,513 [16],[30] 686,513 [16],[30] 686,513,000 [27],[28] 686,513,000 [27],[28] 686,513,000 [27],[28] 686,513,000 [27],[28]  
Amortized Cost $ 7,077,000 [1],[2],[16],[30]       $ 7,076,000 [4],[7],[27],[28]        
Fair Value $ 12,122,000 [16],[30]       $ 12,122,000 [27],[28]        
Percentage of Net Assets [16],[30] [16],[30] [16],[30] [16],[30] 0.10% [27],[28] 0.10% [27],[28] 0.10% [27],[28] 0.10% [27],[28]  
Investment, Identifier [Axis]: Derby Buyer LLC (dba Delrin), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.00% [31],[32] 3.00% [31],[32] 3.00% [31],[32] 3.00% [31],[32] 3.00% [34],[35] 3.00% [34],[35] 3.00% [34],[35] 3.00% [34],[35]  
Investment Owned, Balance, Principal Amount $ 57,403,000 [31],[32]       $ 57,548,000 [34],[35]        
Amortized Cost 57,403,000 [1],[2],[31],[32]       57,548,000 [4],[7],[34],[35]        
Fair Value $ 56,915,000 [31],[32]       $ 57,691,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.40% [34],[35] 0.40% [34],[35] 0.40% [34],[35] 0.40% [34],[35]  
Investment, Identifier [Axis]: Dessert Holdings, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.00% [31],[32],[41] 4.00% [31],[32],[41] 4.00% [31],[32],[41] 4.00% [31],[32],[41] 4.00% [33],[34],[35] 4.00% [33],[34],[35] 4.00% [33],[34],[35] 4.00% [33],[34],[35]  
Investment Owned, Balance, Principal Amount $ 23,338,000 [31],[32],[41]       $ 19,399,000 [33],[34],[35]        
Amortized Cost 23,255,000 [1],[2],[31],[32],[41]       19,341,000 [4],[7],[33],[34],[35]        
Fair Value $ 22,734,000 [31],[32],[41]       $ 18,613,000 [33],[34],[35]        
Percentage of Net Assets [31],[32],[41] [31],[32],[41] [31],[32],[41] [31],[32],[41] 0.10% [33],[34],[35] 0.10% [33],[34],[35] 0.10% [33],[34],[35] 0.10% [33],[34],[35]  
Investment, Identifier [Axis]: Diamond Insure Bidco (dba Acturis), First lien senior secured EUR term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.25% [23],[47] 4.25% [23],[47] 4.25% [23],[47] 4.25% [23],[47] 4.25% [26],[48] 4.25% [26],[48] 4.25% [26],[48] 4.25% [26],[48]  
Investment Owned, Balance, Principal Amount   € 3,123 [23],[47]     $ 3,123,000 [26],[48]        
Amortized Cost $ 3,290,000 [1],[2],[23],[47]       3,289,000 [4],[7],[26],[48]        
Fair Value $ 3,332,000 [23],[47]       $ 3,178,000 [26],[48]        
Percentage of Net Assets [23],[47] [23],[47] [23],[47] [23],[47] 0.00% [26],[48] 0.00% [26],[48] 0.00% [26],[48] 0.00% [26],[48]  
Investment, Identifier [Axis]: Diamond Insure Bidco (dba Acturis), First lien senior secured GBP term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.50% [23],[38] 4.50% [23],[38] 4.50% [23],[38] 4.50% [23],[38] 4.50% [26],[37] 4.50% [26],[37] 4.50% [26],[37] 4.50% [26],[37]  
Investment Owned, Balance, Principal Amount | £     £ 10,210 [23],[38]       £ 10,209 [26],[37]    
Amortized Cost $ 12,672,000 [1],[2],[23],[38]       $ 12,665,000 [4],[7],[26],[37]        
Fair Value $ 13,013,000 [23],[38]       $ 12,563,000 [26],[37]        
Percentage of Net Assets [23],[38] [23],[38] [23],[38] [23],[38] 0.10% [26],[37] 0.10% [26],[37] 0.10% [26],[37] 0.10% [26],[37]  
Investment, Identifier [Axis]: Diamond Mezzanine 24 LLC (dba United Risk), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Diamond Mezzanine 24 LLC (dba United Risk), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [15] 5.00% [15] 5.00% [15] 5.00% [15]  
Investment Owned, Balance, Principal Amount $ 92,393,000 [11]       $ 92,625,000 [15]        
Amortized Cost 91,933,000 [1],[2],[11]       92,162,000 [4],[7],[15]        
Fair Value $ 92,393,000 [11]       $ 92,162,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.60% [15] 0.60% [15] 0.60% [15] 0.60% [15]  
Investment, Identifier [Axis]: Diamond Mezzanine 24 LLC (dba United Risk), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [49]         4.00% 4.00% 4.00% 4.00%  
Investment Owned, Balance, Principal Amount [49]         $ 6,175,000        
Amortized Cost [4],[7],[49]         6,144,000        
Fair Value [49]         6,144,000        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [49]         0.00% 0.00% 0.00% 0.00%  
Investment, Identifier [Axis]: Diamondback Acquisition, Inc. (dba Sphera), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.50% [31] 5.50% [31] 5.50% [31] 5.50% [31] 5.50% [34] 5.50% [34] 5.50% [34] 5.50% [34]  
Investment Owned, Balance, Principal Amount $ 46,269,000 [31]       $ 46,389,000 [34]        
Amortized Cost 45,743,000 [1],[2],[31]       45,829,000 [4],[7],[34]        
Fair Value $ 46,153,000 [31]       $ 46,157,000 [34]        
Percentage of Net Assets [31] [31] [31] [31] 0.30% [34] 0.30% [34] 0.30% [34] 0.30% [34]  
Investment, Identifier [Axis]: Disco Parent, Inc. (dba Duck Creek Technologies, Inc.), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 7.50% [11] 7.50% [11] 7.50% [11] 7.50% [11] 7.50% [15] 7.50% [15] 7.50% [15] 7.50% [15]  
Investment Owned, Balance, Principal Amount $ 1,064,000 [11]       $ 1,064,000 [15]        
Amortized Cost 1,044,000 [1],[2],[11]       1,043,000 [4],[7],[15]        
Fair Value $ 1,056,000 [11]       $ 1,056,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.00% [15] 0.00% [15] 0.00% [15] 0.00% [15]  
Investment, Identifier [Axis]: Disco Parent, Inc. (dba Duck Creek Technologies, Inc.), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (1,000) [13]       $ (1,000) [10]        
Investment, Identifier [Axis]: Dodge Construction Network Holdings, L.P., Class A-2 Common Units                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 143,963 [16],[30] 143,963 [16],[30] 143,963 [16],[30] 143,963 [16],[30] 143,963,000 [27],[28] 143,963,000 [27],[28] 143,963,000 [27],[28] 143,963,000 [27],[28]  
Amortized Cost $ 123,000 [1],[2],[16],[30]       $ 123,000 [4],[7],[27],[28]        
Fair Value $ 20,000 [16],[30]       $ 20,000 [27],[28]        
Percentage of Net Assets [16],[30] [16],[30] [16],[30] [16],[30] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28]  
Investment, Identifier [Axis]: Dodge Construction Network Holdings, L.P., Series A Preferred Units                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 8.25% [11],[30] 8.25% [11],[30] 8.25% [11],[30] 8.25% [11],[30] 8.25% [15],[28] 8.25% [15],[28] 8.25% [15],[28] 8.25% [15],[28]  
Investment Owned, Balance, Principal Amount [11],[30] $ 0                
Units (in shares) | shares [15],[28]         0 0 0 0  
Amortized Cost 3,000 [1],[2],[11],[30]       $ 3,000 [4],[7],[15],[28]        
Fair Value $ 2,000 [11],[30]       $ 2,000 [15],[28]        
Percentage of Net Assets [11],[30] [11],[30] [11],[30] [11],[30] 0.00% [15],[28] 0.00% [15],[28] 0.00% [15],[28] 0.00% [15],[28]  
Investment, Identifier [Axis]: Dodge Construction Network LLC, First lien senior secured loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.75% [11] 4.75% [11] 4.75% [11] 4.75% [11] 4.75% [15] 4.75% [15] 4.75% [15] 4.75% [15]  
Investment Owned, Balance, Principal Amount $ 10,458,000 [11]       $ 10,485,000 [15]        
Amortized Cost 8,505,000 [1],[2],[11]       8,435,000 [4],[7],[15]        
Fair Value $ 8,367,000 [11]       $ 8,388,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.10% [15] 0.10% [15] 0.10% [15] 0.10% [15]  
Investment, Identifier [Axis]: Dodge Construction Network LLC, First lien senior secured loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.25% [11] 6.25% [11] 6.25% [11] 6.25% [11] 6.25% [15] 6.25% [15] 6.25% [15] 6.25% [15]  
Investment Owned, Balance, Principal Amount $ 7,542,000 [11]       $ 7,560,000 [15]        
Amortized Cost 7,402,000 [1],[2],[11]       7,413,000 [4],[7],[15]        
Fair Value $ 7,391,000 [11]       $ 7,409,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.10% [15] 0.10% [15] 0.10% [15] 0.10% [15]  
Investment, Identifier [Axis]: Dresser Utility Solutions, LLC, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Dresser Utility Solutions, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [31] 5.25% [31] 5.25% [31] 5.25% [31] 5.25% [34] 5.25% [34] 5.25% [34] 5.25% [34]  
Investment Owned, Balance, Principal Amount $ 82,081,000 [31]       $ 82,289,000 [34]        
Amortized Cost 81,406,000 [1],[2],[31]       81,576,000 [4],[7],[34]        
Fair Value $ 81,876,000 [31]       $ 82,083,000 [34]        
Percentage of Net Assets [31] [31] [31] [31] 0.60% [34] 0.60% [34] 0.60% [34] 0.60% [34]  
Investment, Identifier [Axis]: Dresser Utility Solutions, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (26,000) [13]       $ (26,000) [10]        
Investment, Identifier [Axis]: DuraServ LLC, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: DuraServ LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.50% [12],[31] 4.50% [12],[31] 4.50% [12],[31] 4.50% [12],[31] 4.50% [14],[34] 4.50% [14],[34] 4.50% [14],[34] 4.50% [14],[34]  
Investment Owned, Balance, Principal Amount $ 181,499,000 [12],[31]       $ 154,689,000 [14],[34]        
Amortized Cost 180,321,000 [1],[2],[12],[31]       153,846,000 [4],[7],[14],[34]        
Fair Value $ 180,593,000 [12],[31]       $ 153,915,000 [14],[34]        
Percentage of Net Assets [12],[31] [12],[31] [12],[31] [12],[31] 1.10% [14],[34] 1.10% [14],[34] 1.10% [14],[34] 1.10% [14],[34]  
Investment, Identifier [Axis]: DuraServ LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (121,000) [13]       $ (121,000) [10]        
Investment, Identifier [Axis]: E2open, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.50% [31],[32] 3.50% [31],[32] 3.50% [31],[32] 3.50% [31],[32] 3.50% [34],[35] 3.50% [34],[35] 3.50% [34],[35] 3.50% [34],[35]  
Investment Owned, Balance, Principal Amount $ 5,120,000 [31],[32]       $ 5,134,000 [34],[35]        
Amortized Cost 5,116,000 [1],[2],[31],[32]       5,128,000 [4],[7],[34],[35]        
Fair Value $ 5,105,000 [31],[32]       $ 5,153,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.00% [34],[35] 0.00% [34],[35] 0.00% [34],[35] 0.00% [34],[35]  
Investment, Identifier [Axis]: EAGLE FAMILY FOODS GROUP LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [34]         5.00% 5.00% 5.00% 5.00%  
Investment Owned, Balance, Principal Amount [34]         $ 175,862,000        
Amortized Cost [4],[7],[34]         174,190,000        
Fair Value [34]         $ 174,982,000        
Percentage of Net Assets [34]         1.20% 1.20% 1.20% 1.20%  
Investment, Identifier [Axis]: EET Buyer, Inc. (dba e-Emphasys), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: EET Buyer, Inc. (dba e-Emphasys), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.75% [11] 4.75% [11] 4.75% [11] 4.75% [11] 4.75% [14],[15] 4.75% [14],[15] 4.75% [14],[15] 4.75% [14],[15]  
Investment Owned, Balance, Principal Amount $ 40,068,000 [11]       $ 40,171,000 [14],[15]        
Amortized Cost 39,733,000 [1],[2],[11]       39,806,000 [4],[7],[14],[15]        
Fair Value $ 40,068,000 [11]       $ 40,171,000 [14],[15]        
Percentage of Net Assets [11] [11] [11] [11] 0.30% [14],[15] 0.30% [14],[15] 0.30% [14],[15] 0.30% [14],[15]  
Investment, Identifier [Axis]: EET Buyer, Inc. (dba e-Emphasys), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: EOS Finco S.A.R.L, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.00% [11],[16],[23],[32],[50] 6.00% [11],[16],[23],[32],[50] 6.00% [11],[16],[23],[32],[50] 6.00% [11],[16],[23],[32],[50] 6.00% [26],[42] 6.00% [26],[42] 6.00% [26],[42] 6.00% [26],[42]  
Investment Owned, Balance, Principal Amount $ 81,541,000 [11],[16],[23],[32],[50]       $ 66,435,000 [26],[42]        
Amortized Cost 69,832,000 [1],[2],[11],[16],[23],[32],[50]       63,444,000 [4],[7],[26],[42]        
Fair Value $ 33,840,000 [11],[16],[23],[32],[50]       $ 44,512,000 [26],[42]        
Percentage of Net Assets [11],[16],[23],[32],[50] [11],[16],[23],[32],[50] [11],[16],[23],[32],[50] [11],[16],[23],[32],[50] 0.30% [26],[42] 0.30% [26],[42] 0.30% [26],[42] 0.30% [26],[42]  
Investment, Identifier [Axis]: EP Purchaser, LLC (dba Entertainment Partners), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.50% [11],[32] 4.50% [11],[32] 4.50% [11],[32] 4.50% [11],[32] 4.50% [15],[35] 4.50% [15],[35] 4.50% [15],[35] 4.50% [15],[35]  
Investment Owned, Balance, Principal Amount $ 29,475,000 [11],[32]       $ 29,596,000 [15],[35]        
Amortized Cost 28,758,000 [1],[2],[11],[32]       28,834,000 [4],[7],[15],[35]        
Fair Value $ 29,498,000 [11],[32]       $ 29,670,000 [15],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.20% [15],[35] 0.20% [15],[35] 0.20% [15],[35] 0.20% [15],[35]  
Investment, Identifier [Axis]: Eagle Family Foods Group LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11] 5.00% 5.00% 5.00% 5.00%          
Investment Owned, Balance, Principal Amount [11] $ 174,279,000                
Amortized Cost [1],[2],[11] 172,680,000                
Fair Value [11] $ 174,279,000                
Percentage of Net Assets [11]          
Investment, Identifier [Axis]: Eagle Family Foods Group LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ (102,000) [10]        
Investment, Identifier [Axis]: Einstein Parent, Inc. (dba Smartsheet), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11] 6.50% 6.50% 6.50% 6.50%          
Investment Owned, Balance, Principal Amount [11] $ 76,841,000                
Amortized Cost [1],[2],[11] 76,032,000                
Fair Value [11] $ 76,073,000                
Percentage of Net Assets [11]          
Investment, Identifier [Axis]: Einstein Parent, Inc. (dba Smartsheet), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ (79,000)                
Investment, Identifier [Axis]: Element Materials Technology, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.75% [11],[23],[32] 3.75% [11],[23],[32] 3.75% [11],[23],[32] 3.75% [11],[23],[32] 3.75% [15],[26],[33],[35] 3.75% [15],[26],[33],[35] 3.75% [15],[26],[33],[35] 3.75% [15],[26],[33],[35]  
Investment Owned, Balance, Principal Amount $ 27,319,000 [11],[23],[32]       $ 27,388,000 [15],[26],[33],[35]        
Amortized Cost 27,319,000 [1],[2],[11],[23],[32]       27,388,000 [4],[7],[15],[26],[33],[35]        
Fair Value $ 27,226,000 [11],[23],[32]       $ 27,509,000 [15],[26],[33],[35]        
Percentage of Net Assets [11],[23],[32] [11],[23],[32] [11],[23],[32] [11],[23],[32] 0.20% [15],[26],[33],[35] 0.20% [15],[26],[33],[35] 0.20% [15],[26],[33],[35] 0.20% [15],[26],[33],[35]  
Investment, Identifier [Axis]: Elliott Alto Co-Investor Aggregator L.P., LP Interest                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 6,530 [16],[23],[30] 6,530 [16],[23],[30] 6,530 [16],[23],[30] 6,530 [16],[23],[30] 6,530,000 [26],[27],[28] 6,530,000 [26],[27],[28] 6,530,000 [26],[27],[28] 6,530,000 [26],[27],[28]  
Amortized Cost $ 6,572,000 [1],[2],[16],[23],[30]       $ 6,572,000 [4],[7],[26],[27],[28]        
Fair Value $ 10,752,000 [16],[23],[30]       $ 10,170,000 [26],[27],[28]        
Percentage of Net Assets [16],[23],[30] [16],[23],[30] [16],[23],[30] [16],[23],[30] 0.10% [26],[27],[28] 0.10% [26],[27],[28] 0.10% [26],[27],[28] 0.10% [26],[27],[28]  
Investment, Identifier [Axis]: Ellucian Holdings Inc. (f/k/a Sophia, L.P.), First lien senior secured loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.75% [31],[32] 4.75% [31],[32] 4.75% [31],[32] 4.75% [31],[32] 4.75% [34],[35] 4.75% [34],[35] 4.75% [34],[35] 4.75% [34],[35]  
Investment Owned, Balance, Principal Amount $ 10,000,000 [31],[32]       $ 10,000,000 [34],[35]        
Amortized Cost 9,976,000 [1],[2],[31],[32]       9,975,000 [4],[7],[34],[35]        
Fair Value $ 10,133,000 [31],[32]       $ 10,167,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.10% [34],[35] 0.10% [34],[35] 0.10% [34],[35] 0.10% [34],[35]  
Investment, Identifier [Axis]: Ellucian Holdings Inc. (f/k/a Sophia, L.P.), First lien senior secured loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.00% [31],[32] 3.00% [31],[32] 3.00% [31],[32] 3.00% [31],[32] 3.00% [34],[35] 3.00% [34],[35] 3.00% [34],[35] 3.00% [34],[35]  
Investment Owned, Balance, Principal Amount $ 19,729,000 [31],[32]       $ 14,729,000 [34],[35]        
Amortized Cost 19,729,000 [1],[2],[31],[32]       14,729,000 [4],[7],[34],[35]        
Fair Value $ 19,676,000 [31],[32]       $ 14,813,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.10% [34],[35] 0.10% [34],[35] 0.10% [34],[35] 0.10% [34],[35]  
Investment, Identifier [Axis]: Endries Acquisition, Inc., First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value [10]         $ (60,000)        
Investment, Identifier [Axis]: Endries Acquisition, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [31] 5.25% [31] 5.25% [31] 5.25% [31] 5.25% [14],[34] 5.25% [14],[34] 5.25% [14],[34] 5.25% [14],[34]  
Investment Owned, Balance, Principal Amount $ 108,544,000 [31]       $ 100,770,000 [14],[34]        
Amortized Cost 107,914,000 [1],[2],[31]       100,149,000 [4],[7],[14],[34]        
Fair Value $ 107,730,000 [31]       $ 100,014,000 [14],[34]        
Percentage of Net Assets [31] [31] [31] [31] 0.70% [14],[34] 0.70% [14],[34] 0.70% [14],[34] 0.70% [14],[34]  
Investment, Identifier [Axis]: Engage Debtco Limited, First lien senior secured loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.03% [11],[23],[41] 3.03% [11],[23],[41] 3.03% [11],[23],[41] 3.03% [11],[23],[41] 7.25% [15],[26],[33] 7.25% [15],[26],[33] 7.25% [15],[26],[33] 7.25% [15],[26],[33]  
Interest, PIK 4.00% [11],[23],[41] 4.00% [11],[23],[41] 4.00% [11],[23],[41] 4.00% [11],[23],[41] 4.00% [15],[26],[33] 4.00% [15],[26],[33] 4.00% [15],[26],[33] 4.00% [15],[26],[33]  
Investment Owned, Balance, Principal Amount $ 32,344,000 [11],[23],[41]       $ 31,996,000 [15],[26],[33]        
Amortized Cost 31,668,000 [1],[2],[11],[23],[41]       31,291,000 [4],[7],[15],[26],[33]        
Fair Value $ 32,182,000 [11],[23],[41]       $ 31,836,000 [15],[26],[33]        
Percentage of Net Assets [11],[23],[41] [11],[23],[41] [11],[23],[41] [11],[23],[41] 0.20% [15],[26],[33] 0.20% [15],[26],[33] 0.20% [15],[26],[33] 0.20% [15],[26],[33]  
Investment, Identifier [Axis]: Engage Debtco Limited, First lien senior secured loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.18% [11],[23] 3.18% [11],[23] 3.18% [11],[23] 3.18% [11],[23] 5.93% [14],[15],[26] 5.93% [14],[15],[26] 5.93% [14],[15],[26] 5.93% [14],[15],[26]  
Interest, PIK 2.50% [11],[23] 2.50% [11],[23] 2.50% [11],[23] 2.50% [11],[23] 2.75% [14],[15],[26] 2.75% [14],[15],[26] 2.75% [14],[15],[26] 2.75% [14],[15],[26]  
Investment Owned, Balance, Principal Amount $ 83,891,000 [11],[23]       $ 83,305,000 [14],[15],[26]        
Amortized Cost 82,535,000 [1],[2],[11],[23]       81,884,000 [4],[7],[14],[15],[26]        
Fair Value $ 81,794,000 [11],[23]       $ 81,223,000 [14],[15],[26]        
Percentage of Net Assets [11],[23] [11],[23] [11],[23] [11],[23] 0.60% [14],[15],[26] 0.60% [14],[15],[26] 0.60% [14],[15],[26] 0.60% [14],[15],[26]  
Investment, Identifier [Axis]: Engineered Machinery Holdings, Inc. (dba Duravant), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.75% [11],[32] 3.75% [11],[32] 3.75% [11],[32] 3.75% [11],[32] 3.75% [15],[35] 3.75% [15],[35] 3.75% [15],[35] 3.75% [15],[35]  
Investment Owned, Balance, Principal Amount $ 9,065,000 [11],[32]       $ 13,179,000 [15],[35]        
Amortized Cost 8,912,000 [1],[2],[11],[32]       12,937,000 [4],[7],[15],[35]        
Fair Value $ 9,060,000 [11],[32]       $ 13,253,000 [15],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.10% [15],[35] 0.10% [15],[35] 0.10% [15],[35] 0.10% [15],[35]  
Investment, Identifier [Axis]: Engineered Machinery Holdings, Inc. (dba Duravant), Second lien senior secured loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.50% [11],[41] 6.50% [11],[41] 6.50% [11],[41] 6.50% [11],[41] 6.50% [15],[33] 6.50% [15],[33] 6.50% [15],[33] 6.50% [15],[33]  
Investment Owned, Balance, Principal Amount $ 37,181,000 [11],[41]       $ 37,181,000 [15],[33]        
Amortized Cost 37,069,000 [1],[2],[11],[41]       37,063,000 [4],[7],[15],[33]        
Fair Value $ 37,181,000 [11],[41]       $ 37,181,000 [15],[33]        
Percentage of Net Assets [11],[41] [11],[41] [11],[41] [11],[41] 0.30% [15],[33] 0.30% [15],[33] 0.30% [15],[33] 0.30% [15],[33]  
Investment, Identifier [Axis]: Engineered Machinery Holdings, Inc. (dba Duravant), Second lien senior secured loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.00% [11],[41] 6.00% [11],[41] 6.00% [11],[41] 6.00% [11],[41] 6.00% [15],[33] 6.00% [15],[33] 6.00% [15],[33] 6.00% [15],[33]  
Investment Owned, Balance, Principal Amount $ 19,160,000 [11],[41]       $ 19,160,000 [15],[33]        
Amortized Cost 19,128,000 [1],[2],[11],[41]       19,126,000 [4],[7],[15],[33]        
Fair Value $ 19,016,000 [11],[41]       $ 19,112,000 [15],[33]        
Percentage of Net Assets [11],[41] [11],[41] [11],[41] [11],[41] 0.10% [15],[33] 0.10% [15],[33] 0.10% [15],[33] 0.10% [15],[33]  
Investment, Identifier [Axis]: Ensemble RCM, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.00% [11],[32] 3.00% [11],[32] 3.00% [11],[32] 3.00% [11],[32] 3.00% [15],[35] 3.00% [15],[35] 3.00% [15],[35] 3.00% [15],[35]  
Investment Owned, Balance, Principal Amount $ 12,387,000 [11],[32]       $ 12,419,000 [15],[35]        
Amortized Cost 12,311,000 [1],[2],[11],[32]       12,339,000 [4],[7],[15],[35]        
Fair Value $ 12,366,000 [11],[32]       $ 12,498,000 [15],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.10% [15],[35] 0.10% [15],[35] 0.10% [15],[35] 0.10% [15],[35]  
Investment, Identifier [Axis]: Entrata, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.75% [31] 5.75% [31] 5.75% [31] 5.75% [31] 5.75% [34] 5.75% [34] 5.75% [34] 5.75% [34]  
Investment Owned, Balance, Principal Amount $ 4,431,000 [31]       $ 4,442,000 [34]        
Amortized Cost 4,377,000 [1],[2],[31]       4,386,000 [4],[7],[34]        
Fair Value $ 4,431,000 [31]       $ 4,442,000 [34]        
Percentage of Net Assets [31] [31] [31] [31] 0.00% [34] 0.00% [34] 0.00% [34] 0.00% [34]  
Investment, Identifier [Axis]: Entrata, Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: EresearchTechnology, Inc. (dba Clario), First lien senior secured delayed draw term loan 1                  
Schedule of Investments [Line Items]                  
Fair Value [13] 0                
Investment, Identifier [Axis]: EresearchTechnology, Inc. (dba Clario), First lien senior secured delayed draw term loan 2                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ (147,000)                
Investment, Identifier [Axis]: EresearchTechnology, Inc. (dba Clario), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [12],[31] 4.75% 4.75% 4.75% 4.75%          
Investment Owned, Balance, Principal Amount [12],[31] $ 178,291,000                
Amortized Cost [1],[2],[12],[31] 176,394,000                
Fair Value [12],[31] $ 176,349,000                
Percentage of Net Assets [12],[31]          
Investment, Identifier [Axis]: EresearchTechnology, Inc. (dba Clario), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ (167,000)                
Investment, Identifier [Axis]: Essential Services Holding Corporation (dba Turnpoint), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (35,000) [13]       $ (35,000) [10]        
Investment, Identifier [Axis]: Essential Services Holding Corporation (dba Turnpoint), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [34] 5.00% [34] 5.00% [34] 5.00% [34]  
Investment Owned, Balance, Principal Amount $ 35,548,000 [11]       $ 35,548,000 [34]        
Amortized Cost 35,222,000 [1],[2],[11]       35,213,000 [4],[7],[34]        
Fair Value $ 35,193,000 [11]       $ 35,193,000 [34]        
Percentage of Net Assets [11] [11] [11] [11] 0.20% [34] 0.20% [34] 0.20% [34] 0.20% [34]  
Investment, Identifier [Axis]: Essential Services Holding Corporation (dba Turnpoint), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11],[12] 5.00% 5.00% 5.00% 5.00%          
Investment Owned, Balance, Principal Amount [11],[12] $ 697,000                
Amortized Cost [1],[2],[11],[12] 659,000                
Fair Value [11],[12] 653,000                
Fair Value $ 0 [13]       $ (44,000) [10]        
Percentage of Net Assets [11],[12]          
Investment, Identifier [Axis]: Evolution BuyerCo, Inc. (dba SIAA), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Evolution BuyerCo, Inc. (dba SIAA), First lien senior secured delayed draw term loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [15]         6.75% 6.75% 6.75% 6.75%  
Investment Owned, Balance, Principal Amount [15]         $ 1,570,000        
Amortized Cost [4],[7],[15]         1,570,000        
Fair Value [15]         $ 1,570,000        
Percentage of Net Assets [15]         0.00% 0.00% 0.00% 0.00%  
Investment, Identifier [Axis]: Evolution BuyerCo, Inc. (dba SIAA), First lien senior secured delayed draw term loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [14],[15],[29]         6.00% 6.00% 6.00% 6.00%  
Investment Owned, Balance, Principal Amount [14],[15],[29]         $ 727,000        
Amortized Cost [4],[7],[14],[15],[29]         702,000        
Fair Value [14],[15],[29]         $ 727,000        
Percentage of Net Assets [14],[15],[29]         0.00% 0.00% 0.00% 0.00%  
Investment, Identifier [Axis]: Evolution BuyerCo, Inc. (dba SIAA), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.75% [11] 4.75% [11] 4.75% [11] 4.75% [11] 6.25% [14],[15] 6.25% [14],[15] 6.25% [14],[15] 6.25% [14],[15]  
Investment Owned, Balance, Principal Amount $ 209,802,000 [11]       $ 25,805,000 [14],[15]        
Amortized Cost 209,154,000 [1],[2],[11]       25,630,000 [4],[7],[14],[15]        
Fair Value $ 209,802,000 [11]       $ 25,805,000 [14],[15]        
Percentage of Net Assets [11] [11] [11] [11] 0.20% [14],[15] 0.20% [14],[15] 0.20% [14],[15] 0.20% [14],[15]  
Investment, Identifier [Axis]: Evolution BuyerCo, Inc. (dba SIAA), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Evolution Parent, LP (dba SIAA), LP Interest                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 2,703 [16],[30] 2,703 [16],[30] 2,703 [16],[30] 2,703 [16],[30] 2,703,000 [27],[28] 2,703,000 [27],[28] 2,703,000 [27],[28] 2,703,000 [27],[28]  
Amortized Cost $ 270,000 [1],[2],[16],[30]       $ 270,000 [4],[7],[27],[28]        
Fair Value $ 333,000 [16],[30]       $ 307,000 [27],[28]        
Percentage of Net Assets [16],[30] [16],[30] [16],[30] [16],[30] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28]  
Investment, Identifier [Axis]: Ex Vivo Parent Inc. (dba OB Hospitalist), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Interest, PIK 9.90% [11] 9.90% [11] 9.90% [11] 9.90% [11] 9.75% [15] 9.75% [15] 9.75% [15] 9.75% [15]  
Investment Owned, Balance, Principal Amount $ 43,654,000 [11]       $ 41,612,000 [15]        
Amortized Cost 43,282,000 [1],[2],[11]       41,220,000 [4],[7],[15]        
Fair Value $ 43,654,000 [11]       $ 41,508,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.30% [15] 0.30% [15] 0.30% [15] 0.30% [15]  
Investment, Identifier [Axis]: FR Flow Control CB LLC (dba Trillium Flow Technologies), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: FR Flow Control CB LLC (dba Trillium Flow Technologies), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [11],[23] 5.25% [11],[23] 5.25% [11],[23] 5.25% [11],[23] 5.25% [15],[26] 5.25% [15],[26] 5.25% [15],[26] 5.25% [15],[26]  
Investment Owned, Balance, Principal Amount $ 141,180,000 [11],[23]       $ 141,533,000 [15],[26]        
Amortized Cost 140,169,000 [1],[2],[11],[23]       140,478,000 [4],[7],[15],[26]        
Fair Value $ 140,121,000 [11],[23]       $ 140,472,000 [15],[26]        
Percentage of Net Assets [11],[23] [11],[23] [11],[23] [11],[23] 1.00% [15],[26] 1.00% [15],[26] 1.00% [15],[26] 1.00% [15],[26]  
Investment, Identifier [Axis]: FR Flow Control CB LLC (dba Trillium Flow Technologies), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (174,000) [13]       $ (174,000) [10]        
Investment, Identifier [Axis]: Faraday Buyer, LLC (dba MacLean Power Systems), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Faraday Buyer, LLC (dba MacLean Power Systems), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.00% [11] 6.00% [11] 6.00% [11] 6.00% [11] 6.00% [15] 6.00% [15] 6.00% [15] 6.00% [15]  
Investment Owned, Balance, Principal Amount $ 134,587,000 [11]       $ 134,913,000 [15]        
Amortized Cost 132,521,000 [1],[2],[11]       132,723,000 [4],[7],[15]        
Fair Value $ 133,241,000 [11]       $ 133,564,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.90% [15] 0.90% [15] 0.90% [15] 0.90% [15]  
Investment, Identifier [Axis]: Fiesta Purchaser, Inc. (dba Shearer's Foods), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35]  
Investment Owned, Balance, Principal Amount $ 54,588,000 [31],[32]       $ 74,625,000 [34],[35]        
Amortized Cost 54,588,000 [1],[2],[31],[32]       74,625,000 [4],[7],[34],[35]        
Fair Value $ 54,146,000 [31],[32]       $ 74,611,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.50% [34],[35] 0.50% [34],[35] 0.50% [34],[35] 0.50% [34],[35]  
Investment, Identifier [Axis]: Fiesta Purchaser, Inc. (dba Shearer's Foods), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (42,000) [13]       $ (3,000) [10]        
Investment, Identifier [Axis]: Fifth Season Investments LLC                  
Schedule of Investments [Line Items]                  
Fair Value $ 245,283,000       $ 223,274,000       156,794,000
Investment, Identifier [Axis]: Fifth Season Investments LLC, Class A Units                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 28 [21],[30],[51] 28 [21],[30],[51] 28 [21],[30],[51] 28 [21],[30],[51] 28 [25],[28],[52] 28 [25],[28],[52] 28 [25],[28],[52] 28 [25],[28],[52]  
Amortized Cost $ 223,403,000 [1],[2],[21],[30],[51]       $ 202,375,000 [4],[7],[25],[28],[52]        
Fair Value $ 245,283,000 [21],[30],[51]       $ 223,274,000 [25],[28],[52]        
Percentage of Net Assets [21],[30],[51] [21],[30],[51] [21],[30],[51] [21],[30],[51] 1.50% [25],[28],[52] 1.50% [25],[28],[52] 1.50% [25],[28],[52] 1.50% [25],[28],[52]  
Investment, Identifier [Axis]: Filtration Group Corporation, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.00% [31],[32] 3.00% [31],[32] 3.00% [31],[32] 3.00% [31],[32] 3.50% [34],[35] 3.50% [34],[35] 3.50% [34],[35] 3.50% [34],[35]  
Investment Owned, Balance, Principal Amount $ 25,385,000 [31],[32]       $ 25,385,000 [34],[35]        
Amortized Cost 25,385,000 [1],[2],[31],[32]       25,357,000 [4],[7],[34],[35]        
Fair Value $ 25,337,000 [31],[32]       $ 25,558,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.20% [34],[35] 0.20% [34],[35] 0.20% [34],[35] 0.20% [34],[35]  
Investment, Identifier [Axis]: Finastra USA, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 7.25% [12],[23],[36] 7.25% [12],[23],[36] 7.25% [12],[23],[36] 7.25% [12],[23],[36] 7.25% [14],[15],[26] 7.25% [14],[15],[26] 7.25% [14],[15],[26] 7.25% [14],[15],[26]  
Investment Owned, Balance, Principal Amount $ 167,414,000 [12],[23],[36]       $ 174,158,000 [14],[15],[26]        
Amortized Cost 165,768,000 [1],[2],[12],[23],[36]       172,484,000 [4],[7],[14],[15],[26]        
Fair Value $ 167,414,000 [12],[23],[36]       $ 174,158,000 [14],[15],[26]        
Percentage of Net Assets [12],[23],[36] [12],[23],[36] [12],[23],[36] [12],[23],[36] 1.20% [14],[15],[26] 1.20% [14],[15],[26] 1.20% [14],[15],[26] 1.20% [14],[15],[26]  
Investment, Identifier [Axis]: Finastra USA, Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Forescout Technologies, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [15] 5.00% [15] 5.00% [15] 5.00% [15]  
Investment Owned, Balance, Principal Amount $ 9,213,000 [11]       $ 9,236,000 [15]        
Amortized Cost 9,171,000 [1],[2],[11]       9,193,000 [4],[7],[15]        
Fair Value $ 9,167,000 [11]       $ 9,190,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.10% [15] 0.10% [15] 0.10% [15] 0.10% [15]  
Investment, Identifier [Axis]: Forescout Technologies, Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (7,000) [13]       $ (7,000) [10]        
Investment, Identifier [Axis]: Formerra, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 7.25% [31] 7.25% [31] 7.25% [31] 7.25% [31] 7.25% [14],[34] 7.25% [14],[34] 7.25% [14],[34] 7.25% [14],[34]  
Investment Owned, Balance, Principal Amount $ 5,352,000 [31]       $ 5,366,000 [14],[34]        
Amortized Cost 5,234,000 [1],[2],[31]       5,240,000 [4],[7],[14],[34]        
Fair Value $ 5,272,000 [31]       $ 5,298,000 [14],[34]        
Percentage of Net Assets [31] [31] [31] [31] 0.00% [14],[34] 0.00% [14],[34] 0.00% [14],[34] 0.00% [14],[34]  
Investment, Identifier [Axis]: Formerra, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (8,000) [13]       $ (7,000) [10]        
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.50% [11] 5.50% [11] 5.50% [11] 5.50% [11] 5.50% [14],[15] 5.50% [14],[15] 5.50% [14],[15] 5.50% [14],[15]  
Investment Owned, Balance, Principal Amount $ 66,107,000 [11]       $ 66,278,000 [14],[15]        
Amortized Cost 65,326,000 [1],[2],[11]       65,449,000 [4],[7],[14],[15]        
Fair Value $ 64,951,000 [11]       $ 65,284,000 [14],[15]        
Percentage of Net Assets [11] [11] [11] [11] 0.40% [14],[15] 0.40% [14],[15] 0.40% [14],[15] 0.40% [14],[15]  
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.50% [11],[12] 5.50% [11],[12] 5.50% [11],[12] 5.50% [11],[12] 5.50% [14],[15] 5.50% [14],[15] 5.50% [14],[15] 5.50% [14],[15]  
Investment Owned, Balance, Principal Amount $ 3,036,000 [11],[12]       $ 2,361,000 [14],[15]        
Amortized Cost 2,979,000 [1],[2],[11],[12]       2,299,000 [4],[7],[14],[15]        
Fair Value 2,918,000 [11],[12]       2,260,000 [14],[15]        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 0.00% [14],[15] 0.00% [14],[15] 0.00% [14],[15] 0.00% [14],[15]  
Investment, Identifier [Axis]: Foundation Building Materials, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.00% [11],[32] 4.00% [11],[32] 4.00% [11],[32] 4.00% [11],[32] 4.00% [15],[35] 4.00% [15],[35] 4.00% [15],[35] 4.00% [15],[35]  
Investment Owned, Balance, Principal Amount $ 19,837,000 [11],[32]       $ 19,887,000 [15],[35]        
Amortized Cost 19,745,000 [1],[2],[11],[32]       19,792,000 [4],[7],[15],[35]        
Fair Value $ 17,986,000 [11],[32]       $ 19,547,000 [15],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.10% [15],[35] 0.10% [15],[35] 0.10% [15],[35] 0.10% [15],[35]  
Investment, Identifier [Axis]: Foundation Consumer Brands, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [11] 6.25% [14],[34] 6.25% [14],[34] 6.25% [14],[34] 6.25% [14],[34]  
Investment Owned, Balance, Principal Amount $ 126,182,000 [11]       $ 96,846,000 [14],[34]        
Amortized Cost 124,960,000 [1],[2],[11]       95,839,000 [4],[7],[14],[34]        
Fair Value $ 125,551,000 [11]       $ 96,846,000 [14],[34]        
Percentage of Net Assets [11] [11] [11] [11] 0.70% [14],[34] 0.70% [14],[34] 0.70% [14],[34] 0.70% [14],[34]  
Investment, Identifier [Axis]: Foundation Consumer Brands, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ (34,000)                
Investment, Identifier [Axis]: Fullsteam Operations, LLC, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 7.00% [11],[12] 7.00% [11],[12] 7.00% [11],[12] 7.00% [11],[12] 7.00% [14],[15],[29] 7.00% [14],[15],[29] 7.00% [14],[15],[29] 7.00% [14],[15],[29]  
Investment Owned, Balance, Principal Amount $ 3,514,000 [11],[12]       $ 818,000 [14],[15],[29]        
Amortized Cost 3,450,000 [1],[2],[11],[12]       771,000 [4],[7],[14],[15],[29]        
Fair Value $ 3,505,000 [11],[12]       $ 811,000 [14],[15],[29]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 0.00% [14],[15],[29] 0.00% [14],[15],[29] 0.00% [14],[15],[29] 0.00% [14],[15],[29]  
Investment, Identifier [Axis]: Fullsteam Operations, LLC, First lien senior secured delayed draw term loan 1                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Fullsteam Operations, LLC, First lien senior secured delayed draw term loan 2                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Fullsteam Operations, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 8.25% [11] 8.25% [11] 8.25% [11] 8.25% [11] 8.25% [14],[15] 8.25% [14],[15] 8.25% [14],[15] 8.25% [14],[15]  
Investment Owned, Balance, Principal Amount $ 13,001,000 [11]       $ 13,001,000 [14],[15]        
Amortized Cost 12,672,000 [1],[2],[11]       12,658,000 [4],[7],[14],[15]        
Fair Value $ 13,001,000 [11]       $ 13,001,000 [14],[15]        
Percentage of Net Assets [11] [11] [11] [11] 0.10% [14],[15] 0.10% [14],[15] 0.10% [14],[15] 0.10% [14],[15]  
Investment, Identifier [Axis]: Fullsteam Operations, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: GI Apple Midco LLC (dba Atlas Technical Consultants), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: GI Apple Midco LLC (dba Atlas Technical Consultants), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.75% [12],[31] 6.75% [12],[31] 6.75% [12],[31] 6.75% [12],[31] 6.75% [14],[34] 6.75% [14],[34] 6.75% [14],[34] 6.75% [14],[34]  
Investment Owned, Balance, Principal Amount $ 82,649,000 [12],[31]       $ 82,859,000 [14],[34]        
Amortized Cost 81,405,000 [1],[2],[12],[31]       81,566,000 [4],[7],[14],[34]        
Fair Value $ 81,822,000 [12],[31]       $ 82,031,000 [14],[34]        
Percentage of Net Assets [12],[31] [12],[31] [12],[31] [12],[31] 0.60% [14],[34] 0.60% [14],[34] 0.60% [14],[34] 0.60% [14],[34]  
Investment, Identifier [Axis]: GI Apple Midco LLC (dba Atlas Technical Consultants), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.75% [12],[31] 6.75% [12],[31] 6.75% [12],[31] 6.75% [12],[31] 6.75% [14],[34] 6.75% [14],[34] 6.75% [14],[34] 6.75% [14],[34]  
Investment Owned, Balance, Principal Amount $ 6,333,000 [12],[31]       $ 4,274,000 [14],[34]        
Amortized Cost 6,183,000 [1],[2],[12],[31]       4,116,000 [4],[7],[14],[34]        
Fair Value 6,222,000 [12],[31]       4,164,000 [14],[34]        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [12],[31] [12],[31] [12],[31] [12],[31] 0.00% [14],[34] 0.00% [14],[34] 0.00% [14],[34] 0.00% [14],[34]  
Investment, Identifier [Axis]: GI Ranger Intermediate, LLC (dba Rectangle Health), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [14],[15]         6.00% 6.00% 6.00% 6.00%  
Investment Owned, Balance, Principal Amount [14],[15]         $ 24,580,000        
Amortized Cost [4],[7],[14],[15]         24,278,000        
Fair Value [14],[15]         $ 24,150,000        
Percentage of Net Assets [14],[15]         0.20% 0.20% 0.20% 0.20%  
Investment, Identifier [Axis]: GI Ranger Intermediate, LLC (dba Rectangle Health), First lien senior secured loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11] 5.75% 5.75% 5.75% 5.75%          
Investment Owned, Balance, Principal Amount [11] $ 20,343,000                
Amortized Cost [1],[2],[11] 20,107,000                
Fair Value [11] $ 19,936,000                
Percentage of Net Assets [11]          
Investment, Identifier [Axis]: GI Ranger Intermediate, LLC (dba Rectangle Health), First lien senior secured loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [31] 5.75% 5.75% 5.75% 5.75%          
Investment Owned, Balance, Principal Amount [31] $ 4,174,000                
Amortized Cost [1],[2],[31] 4,126,000                
Fair Value [31] $ 4,090,000                
Percentage of Net Assets [31]          
Investment, Identifier [Axis]: GI Ranger Intermediate, LLC (dba Rectangle Health), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [14],[15]         6.00% 6.00% 6.00% 6.00%  
Investment Owned, Balance, Principal Amount [14],[15]         $ 195,000        
Amortized Cost [4],[7],[14],[15]         179,000        
Fair Value [14],[15]         166,000        
Fair Value $ (33,000) [13]       $ 0 [10]        
Percentage of Net Assets [14],[15]         0.00% 0.00% 0.00% 0.00%  
Investment, Identifier [Axis]: GS Acquisitionco, Inc. (dba insightsoftware), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: GS Acquisitionco, Inc. (dba insightsoftware), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [11],[12] 5.25% [11],[12] 5.25% [11],[12] 5.25% [11],[12] 5.25% [14],[15] 5.25% [14],[15] 5.25% [14],[15] 5.25% [14],[15]  
Investment Owned, Balance, Principal Amount $ 9,516,000 [11],[12]       $ 9,540,000 [14],[15]        
Amortized Cost 9,499,000 [1],[2],[11],[12]       9,523,000 [4],[7],[14],[15]        
Fair Value $ 9,419,000 [11],[12]       $ 9,468,000 [14],[15]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 0.10% [14],[15] 0.10% [14],[15] 0.10% [14],[15] 0.10% [14],[15]  
Investment, Identifier [Axis]: GS Acquisitionco, Inc. (dba insightsoftware), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (2,000) [13]       $ (2,000) [10]        
Investment, Identifier [Axis]: Galls, LLC, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Galls, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [11],[12] 5.00% [11],[12] 5.00% [11],[12] 5.00% [11],[12] 6.50% [14],[15] 6.50% [14],[15] 6.50% [14],[15] 6.50% [14],[15]  
Interest, PIK 1.50% [11],[12] 1.50% [11],[12] 1.50% [11],[12] 1.50% [11],[12] 1.50% [14],[15] 1.50% [14],[15] 1.50% [14],[15] 1.50% [14],[15]  
Investment Owned, Balance, Principal Amount $ 130,018,000 [11],[12]       $ 122,212,000 [14],[15]        
Amortized Cost 128,155,000 [1],[2],[11],[12]       120,371,000 [4],[7],[14],[15]        
Fair Value $ 130,018,000 [11],[12]       $ 122,212,000 [14],[15]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 0.80% [14],[15] 0.80% [14],[15] 0.80% [14],[15] 0.80% [14],[15]  
Investment, Identifier [Axis]: Galls, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11],[12] 6.00% 6.00% 6.00% 6.00%          
Investment Owned, Balance, Principal Amount [11],[12] $ 3,139,000                
Amortized Cost [1],[2],[11],[12] 2,945,000                
Fair Value [11],[12] 3,139,000                
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [11],[12]          
Investment, Identifier [Axis]: Galway Borrower LLC, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.50% [11],[12] 4.50% [11],[12] 4.50% [11],[12] 4.50% [11],[12] 4.50% [14],[15],[29] 4.50% [14],[15],[29] 4.50% [14],[15],[29] 4.50% [14],[15],[29]  
Investment Owned, Balance, Principal Amount $ 4,861,000 [11],[12]       $ 1,419,000 [14],[15],[29]        
Amortized Cost 4,805,000 [1],[2],[11],[12]       1,368,000 [4],[7],[14],[15],[29]        
Fair Value 4,861,000 [11],[12]       1,419,000 [14],[15],[29]        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 0.00% [14],[15],[29] 0.00% [14],[15],[29] 0.00% [14],[15],[29] 0.00% [14],[15],[29]  
Investment, Identifier [Axis]: Galway Borrower LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Gaylord Chemical Company, L.L.C., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11],[12] 5.50% 5.50% 5.50% 5.50%          
Investment Owned, Balance, Principal Amount [11],[12] $ 188,629,000                
Amortized Cost [1],[2],[11],[12] 187,602,000                
Fair Value [11],[12] $ 188,629,000                
Percentage of Net Assets [11],[12]          
Investment, Identifier [Axis]: Gaylord Chemical Company, L.L.C., First lien senior secured loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [14],[15]         5.25% 5.25% 5.25% 5.25%  
Investment Owned, Balance, Principal Amount [14],[15]         $ 98,138,000        
Amortized Cost [4],[7],[14],[15]         97,921,000        
Fair Value [14],[15]         $ 98,138,000        
Percentage of Net Assets [14],[15]         0.70% 0.70% 0.70% 0.70%  
Investment, Identifier [Axis]: Gaylord Chemical Company, L.L.C., First lien senior secured loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [15]         5.50% 5.50% 5.50% 5.50%  
Investment Owned, Balance, Principal Amount [15]         $ 91,000,000        
Amortized Cost [4],[7],[15]         90,099,000        
Fair Value [15]         $ 91,000,000        
Percentage of Net Assets [15]         0.60% 0.60% 0.60% 0.60%  
Investment, Identifier [Axis]: Gaylord Chemical Company, L.L.C., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Gehl Foods, LLC, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [14],[15],[29]         6.25% 6.25% 6.25% 6.25%  
Investment Owned, Balance, Principal Amount [14],[15],[29]         $ 3,639,000        
Amortized Cost [4],[7],[14],[15],[29]         3,562,000        
Fair Value [14],[15],[29]         3,621,000        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [14],[15],[29]         0.00% 0.00% 0.00% 0.00%  
Investment, Identifier [Axis]: Gehl Foods, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.25% [11],[12] 6.25% [11],[12] 6.25% [11],[12] 6.25% [11],[12] 6.25% [34] 6.25% [34] 6.25% [34] 6.25% [34]  
Investment Owned, Balance, Principal Amount $ 124,768,000 [11],[12]       $ 118,258,000 [34]        
Amortized Cost 123,597,000 [1],[2],[11],[12]       117,151,000 [4],[7],[34]        
Fair Value $ 124,768,000 [11],[12]       $ 117,667,000 [34]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 0.80% [34] 0.80% [34] 0.80% [34] 0.80% [34]  
Investment, Identifier [Axis]: Geosyntec Consultants, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.75% [31],[32] 3.75% [31],[32] 3.75% [31],[32] 3.75% [31],[32] 3.75% [34],[35] 3.75% [34],[35] 3.75% [34],[35] 3.75% [34],[35]  
Investment Owned, Balance, Principal Amount $ 4,988,000 [31],[32]       $ 5,000,000 [34],[35]        
Amortized Cost 4,963,000 [1],[2],[31],[32]       4,974,000 [4],[7],[34],[35]        
Fair Value $ 4,975,000 [31],[32]       $ 5,032,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.00% [34],[35] 0.00% [34],[35] 0.00% [34],[35] 0.00% [34],[35]  
Investment, Identifier [Axis]: Gerson Lehrman Group, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [11] 5.25% [15] 5.25% [15] 5.25% [15] 5.25% [15]  
Investment Owned, Balance, Principal Amount $ 166,014,000 [11]       $ 166,014,000 [15]        
Amortized Cost 164,937,000 [1],[2],[11]       164,851,000 [4],[7],[15]        
Fair Value $ 166,014,000 [11]       $ 165,599,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 1.10% [15] 1.10% [15] 1.10% [15] 1.10% [15]  
Investment, Identifier [Axis]: Gerson Lehrman Group, Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ (21,000) [10]        
Investment, Identifier [Axis]: Gloves Buyer, Inc. (dba Protective Industrial Products), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.00% [31],[32] 4.00% [31],[32] 4.00% [31],[32] 4.00% [31],[32] 4.00% [14],[34] 4.00% [14],[34] 4.00% [14],[34] 4.00% [14],[34]  
Investment Owned, Balance, Principal Amount $ 148,000,000 [31],[32]       $ 38,296,000 [14],[34]        
Amortized Cost 147,260,000 [1],[2],[31],[32]       38,036,000 [4],[7],[14],[34]        
Fair Value $ 142,080,000 [31],[32]       $ 38,296,000 [14],[34]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.30% [14],[34] 0.30% [14],[34] 0.30% [14],[34] 0.30% [14],[34]  
Investment, Identifier [Axis]: Gloves Holdings, LP (dba Protective Industrial Products), LP Interest                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 1,000 [16],[30] 1,000 [16],[30] 1,000 [16],[30] 1,000 [16],[30] 1,000,000 [27],[28] 1,000,000 [27],[28] 1,000,000 [27],[28] 1,000,000 [27],[28]  
Amortized Cost $ 100,000 [1],[2],[16],[30]       $ 100,000 [4],[7],[27],[28]        
Fair Value $ 155,000 [16],[30]       $ 118,000 [27],[28]        
Percentage of Net Assets [16],[30] [16],[30] [16],[30] [16],[30] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28]  
Investment, Identifier [Axis]: Granicus, Inc., First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.00% [11] 3.00% [11] 3.00% [11] 3.00% [11] 5.25% [15] 5.25% [15] 5.25% [15] 5.25% [15]  
Interest, PIK 2.25% [11] 2.25% [11] 2.25% [11] 2.25% [11] 2.25% [15] 2.25% [15] 2.25% [15] 2.25% [15]  
Investment Owned, Balance, Principal Amount $ 4,924,000 [11]       $ 4,908,000 [15]        
Amortized Cost 4,881,000 [1],[2],[11]       4,863,000 [4],[7],[15]        
Fair Value $ 4,887,000 [11]       $ 4,859,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.00% [15] 0.00% [15] 0.00% [15] 0.00% [15]  
Investment, Identifier [Axis]: Granicus, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.50% [11] 3.50% [11] 3.50% [11] 3.50% [11] 5.75% [15] 5.75% [15] 5.75% [15] 5.75% [15]  
Interest, PIK 2.25% [11] 2.25% [11] 2.25% [11] 2.25% [11] 2.25% [15] 2.25% [15] 2.25% [15] 2.25% [15]  
Investment Owned, Balance, Principal Amount $ 33,237,000 [11]       $ 33,127,000 [15]        
Amortized Cost 32,955,000 [1],[2],[11]       32,836,000 [4],[7],[15]        
Fair Value $ 33,237,000 [11]       $ 33,127,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.20% [15] 0.20% [15] 0.20% [15] 0.20% [15]  
Investment, Identifier [Axis]: Granicus, Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: GrowthCurve Capital Sunrise Co-Invest LP (dba Brightway), LP Interest                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 42,053 [16],[30] 42,053 [16],[30] 42,053 [16],[30] 42,053 [16],[30] 42,053,000 [27],[28] 42,053,000 [27],[28] 42,053,000 [27],[28] 42,053,000 [27],[28]  
Amortized Cost $ 427,000 [1],[2],[16],[30]       $ 427,000 [4],[7],[27],[28]        
Fair Value $ 420,000 [16],[30]       $ 420,000 [27],[28]        
Percentage of Net Assets [16],[30] [16],[30] [16],[30] [16],[30] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28]  
Investment, Identifier [Axis]: Guidehouse Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.00% [31] 3.00% [31] 3.00% [31] 3.00% [31] 5.75% [34] 5.75% [34] 5.75% [34] 5.75% [34]  
Interest, PIK 2.00% [31] 2.00% [31] 2.00% [31] 2.00% [31] 2.00% [34] 2.00% [34] 2.00% [34] 2.00% [34]  
Investment Owned, Balance, Principal Amount $ 107,674,000 [31]       $ 107,401,000 [34]        
Amortized Cost 107,674,000 [1],[2],[31]       107,401,000 [4],[7],[34]        
Fair Value $ 107,674,000 [31]       $ 106,864,000 [34]        
Percentage of Net Assets [31] [31] [31] [31] 0.70% [34] 0.70% [34] 0.70% [34] 0.70% [34]  
Investment, Identifier [Axis]: Helix Acquisition Holdings, Inc. (dba MW Industries), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 7.00% [31] 7.00% [31] 7.00% [31] 7.00% [31] 7.00% [34] 7.00% [34] 7.00% [34] 7.00% [34]  
Investment Owned, Balance, Principal Amount $ 61,484,000 [31]       $ 61,484,000 [34]        
Amortized Cost 60,022,000 [1],[2],[31]       59,969,000 [4],[7],[34]        
Fair Value $ 61,023,000 [31]       $ 61,023,000 [34]        
Percentage of Net Assets [31] [31] [31] [31] 0.40% [34] 0.40% [34] 0.40% [34] 0.40% [34]  
Investment, Identifier [Axis]: Hercules Borrower, LLC (dba The Vincit Group), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.50% [11] 5.50% [11] 5.50% [11] 5.50% [11] 5.50% [14],[15] 5.50% [14],[15] 5.50% [14],[15] 5.50% [14],[15]  
Investment Owned, Balance, Principal Amount $ 15,738,000 [11]       $ 15,774,000 [14],[15]        
Amortized Cost 15,678,000 [1],[2],[11]       15,707,000 [4],[7],[14],[15]        
Fair Value $ 15,738,000 [11]       $ 15,774,000 [14],[15]        
Percentage of Net Assets [11] [11] [11] [11] 0.10% [14],[15] 0.10% [14],[15] 0.10% [14],[15] 0.10% [14],[15]  
Investment, Identifier [Axis]: Hercules Borrower, LLC (dba The Vincit Group), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Hercules Buyer, LLC (dba The Vincit Group), Common Units                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 10,000 [16],[30],[53] 10,000 [16],[30],[53] 10,000 [16],[30],[53] 10,000 [16],[30],[53] 10,000,000 [27],[28],[54] 10,000,000 [27],[28],[54] 10,000,000 [27],[28],[54] 10,000,000 [27],[28],[54]  
Amortized Cost $ 12,000 [1],[2],[16],[30],[53]       $ 12,000 [4],[7],[27],[28],[54]        
Fair Value $ 12,000 [16],[30],[53]       $ 12,000 [27],[28],[54]        
Percentage of Net Assets [16],[30],[53] [16],[30],[53] [16],[30],[53] [16],[30],[53] 0.00% [27],[28],[54] 0.00% [27],[28],[54] 0.00% [27],[28],[54] 0.00% [27],[28],[54]  
Investment, Identifier [Axis]: Hercules Buyer, LLC (dba The Vincit Group), Unsecured notes                  
Schedule of Investments [Line Items]                  
Interest, PIK 0.48% [22],[53] 0.48% [22],[53] 0.48% [22],[53] 0.48% [22],[53] 0.48% [24],[54] 0.48% [24],[54] 0.48% [24],[54] 0.48% [24],[54]  
Investment Owned, Balance, Principal Amount $ 24,000 [22],[53]       $ 24,000 [24],[54]        
Amortized Cost 24,000 [1],[2],[22],[53]       24,000 [4],[7],[24],[54]        
Fair Value $ 28,000 [22],[53]       $ 28,000 [24],[54]        
Percentage of Net Assets [22],[53] [22],[53] [22],[53] [22],[53] 0.00% [24],[54] 0.00% [24],[54] 0.00% [24],[54] 0.00% [24],[54]  
Investment, Identifier [Axis]: Hg Genesis 9 SumoCo Limited, Unsecured facility                  
Schedule of Investments [Line Items]                  
Interest, PIK 6.25% [23],[39] 6.25% [23],[39] 6.25% [23],[39] 6.25% [23],[39] 6.25% [26],[40] 6.25% [26],[40] 6.25% [26],[40] 6.25% [26],[40]  
Investment Owned, Balance, Principal Amount | €   € 146,552 [23],[39]       € 143,280 [26],[40]      
Amortized Cost $ 154,728,000 [1],[2],[23],[39]       $ 156,905,000 [4],[7],[26],[40]        
Fair Value $ 158,306,000 [23],[39]       $ 148,366,000 [26],[40]        
Percentage of Net Assets [23],[39] [23],[39] [23],[39] [23],[39] 1.00% [26],[40] 1.00% [26],[40] 1.00% [26],[40] 1.00% [26],[40]  
Investment, Identifier [Axis]: Hg Saturn Luchaco Limited, Unsecured facility                  
Schedule of Investments [Line Items]                  
Interest, PIK 7.50% [23],[38] 7.50% [23],[38] 7.50% [23],[38] 7.50% [23],[38] 7.50% [26],[37] 7.50% [26],[37] 7.50% [26],[37] 7.50% [26],[37]  
Investment Owned, Balance, Principal Amount | £     £ 679 [23],[38]       £ 640 [26],[37]    
Amortized Cost $ 863,000 [1],[2],[23],[38]       $ 811,000 [4],[7],[26],[37]        
Fair Value $ 876,000 [23],[38]       $ 801,000 [26],[37]        
Percentage of Net Assets [23],[38] [23],[38] [23],[38] [23],[38] 0.00% [26],[37] 0.00% [26],[37] 0.00% [26],[37] 0.00% [26],[37]  
Investment, Identifier [Axis]: Hissho Parent, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.50% [11] 4.50% [11] 4.50% [11] 4.50% [11] 4.75% [14],[15] 4.75% [14],[15] 4.75% [14],[15] 4.75% [14],[15]  
Investment Owned, Balance, Principal Amount $ 122,948,000 [11]       $ 123,263,000 [14],[15]        
Amortized Cost 122,239,000 [1],[2],[11]       122,506,000 [4],[7],[14],[15]        
Fair Value $ 122,948,000 [11]       $ 123,263,000 [14],[15]        
Percentage of Net Assets [11] [11] [11] [11] 0.80% [14],[15] 0.80% [14],[15] 0.80% [14],[15] 0.80% [14],[15]  
Investment, Identifier [Axis]: Hissho Parent, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Hissho Sushi Holdings, LLC, Class A Units                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 941,780 [16],[30] 941,780 [16],[30] 941,780 [16],[30] 941,780 [16],[30] 941,780,000 [27],[28] 941,780,000 [27],[28] 941,780,000 [27],[28] 941,780,000 [27],[28]  
Amortized Cost $ 7,536,000 [1],[2],[16],[30]       $ 7,536,000 [4],[7],[27],[28]        
Fair Value $ 12,497,000 [16],[30]       $ 12,153,000 [27],[28]        
Percentage of Net Assets [16],[30] [16],[30] [16],[30] [16],[30] 0.10% [27],[28] 0.10% [27],[28] 0.10% [27],[28] 0.10% [27],[28]  
Investment, Identifier [Axis]: Hockey Parent Holdings, L.P., Class A Common Units                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 25,000 [16],[30] 25,000 [16],[30] 25,000 [16],[30] 25,000 [16],[30] 25,000,000 [27],[28] 25,000,000 [27],[28] 25,000,000 [27],[28] 25,000,000 [27],[28]  
Amortized Cost $ 25,000,000 [1],[2],[16],[30]       $ 25,000,000 [4],[7],[27],[28]        
Fair Value $ 27,932,000 [16],[30]       $ 27,932,000 [27],[28]        
Percentage of Net Assets [16],[30] [16],[30] [16],[30] [16],[30] 0.20% [27],[28] 0.20% [27],[28] 0.20% [27],[28] 0.20% [27],[28]  
Investment, Identifier [Axis]: Home Service TopCo IV, Inc., First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ 0                
Investment, Identifier [Axis]: Home Service TopCo IV, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.50% [11] 4.50% [11] 4.50% [11] 4.50% [11] 6.00% [15] 6.00% [15] 6.00% [15] 6.00% [15]  
Investment Owned, Balance, Principal Amount $ 35,832,000 [11]       $ 35,923,000 [15]        
Amortized Cost 35,832,000 [1],[2],[11]       35,668,000 [4],[7],[15]        
Fair Value $ 35,832,000 [11]       $ 35,923,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.20% [15] 0.20% [15] 0.20% [15] 0.20% [15]  
Investment, Identifier [Axis]: Home Service TopCo IV, Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Hub International, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [34],[35]         2.75% 2.75% 2.75% 2.75%  
Investment Owned, Balance, Principal Amount [34],[35]         $ 12,382,000        
Amortized Cost [4],[7],[34],[35]         12,382,000        
Fair Value [34],[35]         $ 12,444,000        
Percentage of Net Assets [34],[35]         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Hyland Software, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [31] 5.00% [31] 5.00% [31] 5.00% [31] 6.00% [34] 6.00% [34] 6.00% [34] 6.00% [34]  
Investment Owned, Balance, Principal Amount $ 145,395,000 [31]       $ 145,743,000 [34]        
Amortized Cost 145,395,000 [1],[2],[31]       143,848,000 [4],[7],[34]        
Fair Value $ 145,395,000 [31]       $ 145,743,000 [34]        
Percentage of Net Assets [31] [31] [31] [31] 1.00% [34] 1.00% [34] 1.00% [34] 1.00% [34]  
Investment, Identifier [Axis]: Hyland Software, Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Hyperion Refinance S.à r.l (dba Howden Group), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.00% [23],[31],[32] 3.00% [23],[31],[32] 3.00% [23],[31],[32] 3.00% [23],[31],[32] 3.00% [26],[34],[35] 3.00% [26],[34],[35] 3.00% [26],[34],[35] 3.00% [26],[34],[35]  
Investment Owned, Balance, Principal Amount $ 61,066,000 [23],[31],[32]       $ 30,133,000 [26],[34],[35]        
Amortized Cost 61,066,000 [1],[2],[23],[31],[32]       30,133,000 [4],[7],[26],[34],[35]        
Fair Value $ 60,565,000 [23],[31],[32]       $ 30,305,000 [26],[34],[35]        
Percentage of Net Assets [23],[31],[32] [23],[31],[32] [23],[31],[32] [23],[31],[32] 0.20% [26],[34],[35] 0.20% [26],[34],[35] 0.20% [26],[34],[35] 0.20% [26],[34],[35]  
Investment, Identifier [Axis]: IG Investments Holdings, LLC (dba Insight Global), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [15] 5.00% [15] 5.00% [15] 5.00% [15]  
Investment Owned, Balance, Principal Amount $ 47,597,000 [11]       $ 47,716,000 [15]        
Amortized Cost 47,599,000 [1],[2],[11]       47,718,000 [4],[7],[15]        
Fair Value $ 47,597,000 [11]       $ 47,716,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.30% [15] 0.30% [15] 0.30% [15] 0.30% [15]  
Investment, Identifier [Axis]: IG Investments Holdings, LLC (dba Insight Global), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: IMA Financial Group, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.00% [31],[32] 3.00% [31],[32] 3.00% [31],[32] 3.00% [31],[32] 3.00% [34],[35] 3.00% [34],[35] 3.00% [34],[35] 3.00% [34],[35]  
Investment Owned, Balance, Principal Amount $ 58,943,000 [31],[32]       $ 59,092,000 [34],[35]        
Amortized Cost 58,943,000 [1],[2],[31],[32]       59,092,000 [4],[7],[34],[35]        
Fair Value $ 58,536,000 [31],[32]       $ 59,092,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.40% [34],[35] 0.40% [34],[35] 0.40% [34],[35] 0.40% [34],[35]  
Investment, Identifier [Axis]: IRI Group Holdings, Inc. (f/k/a Circana Group, L.P. (f/k/a The NPD Group, L.P.)), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [34] 5.00% [34] 5.00% [34] 5.00% [34]  
Investment Owned, Balance, Principal Amount $ 228,932,000 [11]       $ 229,533,000 [34]        
Amortized Cost 228,932,000 [1],[2],[11]       229,533,000 [4],[7],[34]        
Fair Value $ 228,932,000 [11]       $ 229,533,000 [34]        
Percentage of Net Assets [11] [11] [11] [11] 1.60% [34] 1.60% [34] 1.60% [34] 1.60% [34]  
Investment, Identifier [Axis]: IRI Group Holdings, Inc. (f/k/a Circana Group, L.P. (f/k/a The NPD Group, L.P.)), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [12],[31] 5.00% [12],[31] 5.00% [12],[31] 5.00% [12],[31] 5.00% [14],[15] 5.00% [14],[15] 5.00% [14],[15] 5.00% [14],[15]  
Investment Owned, Balance, Principal Amount $ 1,598,000 [12],[31]       $ 2,517,000 [14],[15]        
Amortized Cost 1,598,000 [1],[2],[12],[31]       2,517,000 [4],[7],[14],[15]        
Fair Value 1,598,000 [12],[31]       2,517,000 [14],[15]        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [12],[31] [12],[31] [12],[31] [12],[31] 0.00% [14],[15] 0.00% [14],[15] 0.00% [14],[15] 0.00% [14],[15]  
Investment, Identifier [Axis]: Icefall Parent, Inc. (dba EngageSmart), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.50% [11] 6.50% [11] 6.50% [11] 6.50% [11] 6.50% [34] 6.50% [34] 6.50% [34] 6.50% [34]  
Investment Owned, Balance, Principal Amount $ 28,869,000 [11]       $ 28,869,000 [34]        
Amortized Cost 28,380,000 [1],[2],[11]       28,360,000 [4],[7],[34]        
Fair Value $ 28,869,000 [11]       $ 28,869,000 [34]        
Percentage of Net Assets [11] [11] [11] [11] 0.20% [34] 0.20% [34] 0.20% [34] 0.20% [34]  
Investment, Identifier [Axis]: Icefall Parent, Inc. (dba EngageSmart), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Ideal Image Development, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Interest, PIK [11],[12] 6.50% 6.50% 6.50% 6.50%          
Investment Owned, Balance, Principal Amount [11],[12] $ 3,281,000                
Amortized Cost [1],[2],[11],[12] 3,263,000                
Fair Value [11],[12] $ 3,195,000                
Percentage of Net Assets [11],[12]          
Investment, Identifier [Axis]: Ideal Image Development, LLC, First lien senior secured loan 1                  
Schedule of Investments [Line Items]                  
Interest, PIK [15]         6.50% 6.50% 6.50% 6.50%  
Investment Owned, Balance, Principal Amount [15]         $ 2,397,000        
Amortized Cost [4],[7],[15]         2,378,000        
Fair Value [15]         $ 2,337,000        
Percentage of Net Assets [15]         0.00% 0.00% 0.00% 0.00%  
Investment, Identifier [Axis]: Ideal Image Development, LLC, First lien senior secured loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [34]         6.00% 6.00% 6.00% 6.00%  
Investment Owned, Balance, Principal Amount [34]         $ 637,000        
Amortized Cost [4],[7],[34]         637,000        
Fair Value [34]         $ 637,000        
Percentage of Net Assets [34]         0.00% 0.00% 0.00% 0.00%  
Investment, Identifier [Axis]: Ideal Image Development, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11],[12] 6.00% 6.00% 6.00% 6.00%          
Interest, PIK [14],[55]         6.50% 6.50% 6.50% 6.50%  
Investment Owned, Balance, Principal Amount $ 953,000 [11],[12]       $ 765,000 [14],[55]        
Amortized Cost 953,000 [1],[2],[11],[12]       765,000 [4],[7],[14],[55]        
Fair Value $ 953,000 [11],[12]       $ 741,000 [14],[55]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 0.00% [14],[55] 0.00% [14],[55] 0.00% [14],[55] 0.00% [14],[55]  
Investment, Identifier [Axis]: Ideal Image Development, LLC, First lien senior secured revolving loan 1                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Ideal Image Development, LLC, First lien senior secured revolving loan 2                  
Schedule of Investments [Line Items]                  
Fair Value 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Ideal Image Development, LLC, First lien senior secured revolving loan 3                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ 0                
Investment, Identifier [Axis]: Ideal Topco, L.P., Class A-1 Preferred Units                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 5,304,878 [16],[30] 5,304,878 [16],[30] 5,304,878 [16],[30] 5,304,878 [16],[30] 4,756,098,000 [27],[28] 4,756,098,000 [27],[28] 4,756,098,000 [27],[28] 4,756,098,000 [27],[28]  
Amortized Cost $ 5,305,000 [1],[2],[16],[30]       $ 4,756,000 [4],[7],[27],[28]        
Fair Value $ 4,615,000 [16],[30]       $ 4,376,000 [27],[28]        
Percentage of Net Assets [16],[30] [16],[30] [16],[30] [16],[30] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28]  
Investment, Identifier [Axis]: Ideal Topco, L.P., Class A-2 Common Units                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 3,109,756 [16],[30] 3,109,756 [16],[30] 3,109,756 [16],[30] 3,109,756 [16],[30] 3,109,754,000 [27],[28] 3,109,754,000 [27],[28] 3,109,754,000 [27],[28] 3,109,754,000 [27],[28]  
Amortized Cost $ 0 [1],[2],[16],[30]       $ 0 [4],[7],[27],[28]        
Fair Value $ 0 [16],[30]       $ 0 [27],[28]        
Percentage of Net Assets [16],[30] [16],[30] [16],[30] [16],[30] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28]  
Investment, Identifier [Axis]: Ideal Tridon Holdings, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.75% [11] 6.75% [11] 6.75% [11] 6.75% [11] 6.75% [15] 6.75% [15] 6.75% [15] 6.75% [15]  
Investment Owned, Balance, Principal Amount $ 89,866,000 [11]       $ 89,866,000 [15]        
Amortized Cost 88,060,000 [1],[2],[11]       87,937,000 [4],[7],[15]        
Fair Value $ 89,866,000 [11]       $ 89,866,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.60% [15] 0.60% [15] 0.60% [15] 0.60% [15]  
Investment, Identifier [Axis]: Ideal Tridon Holdings, Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Imprivata, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.50% [11],[32] 3.50% [11],[32] 3.50% [11],[32] 3.50% [11],[32] 3.50% [15],[35] 3.50% [15],[35] 3.50% [15],[35] 3.50% [15],[35]  
Investment Owned, Balance, Principal Amount $ 10,319,000 [11],[32]       $ 10,345,000 [15],[35]        
Amortized Cost 10,319,000 [1],[2],[11],[32]       10,345,000 [4],[7],[15],[35]        
Fair Value $ 10,304,000 [11],[32]       $ 10,396,000 [15],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.10% [15],[35] 0.10% [15],[35] 0.10% [15],[35] 0.10% [15],[35]  
Investment, Identifier [Axis]: Indigo Buyer, Inc. (dba Inovar Packaging Group), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Indigo Buyer, Inc. (dba Inovar Packaging Group), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11],[12] 5.25% 5.25% 5.25% 5.25%          
Investment Owned, Balance, Principal Amount [11],[12] $ 125,730,000                
Amortized Cost [1],[2],[11],[12] 124,932,000                
Fair Value [11],[12] $ 125,730,000                
Percentage of Net Assets [11],[12]          
Investment, Identifier [Axis]: Indigo Buyer, Inc. (dba Inovar Packaging Group), First lien senior secured loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [14],[15]         6.25% 6.25% 6.25% 6.25%  
Investment Owned, Balance, Principal Amount [14],[15]         $ 111,601,000        
Amortized Cost [4],[7],[14],[15]         110,891,000        
Fair Value [14],[15]         $ 111,601,000        
Percentage of Net Assets [14],[15]         0.80% 0.80% 0.80% 0.80%  
Investment, Identifier [Axis]: Indigo Buyer, Inc. (dba Inovar Packaging Group), First lien senior secured loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [34]         5.25% 5.25% 5.25% 5.25%  
Investment Owned, Balance, Principal Amount [34]         $ 13,366,000        
Amortized Cost [4],[7],[34]         13,276,000        
Fair Value [34]         $ 13,300,000        
Percentage of Net Assets [34]         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Indigo Buyer, Inc. (dba Inovar Packaging Group), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Indikami Bidco, LLC (dba IntegriChain), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.00% [12],[31] 6.00% [12],[31] 6.00% [12],[31] 6.00% [12],[31] 6.00% [14],[29],[34] 6.00% [14],[29],[34] 6.00% [14],[29],[34] 6.00% [14],[29],[34]  
Investment Owned, Balance, Principal Amount $ 751,000 [12],[31]       $ 375,000 [14],[29],[34]        
Amortized Cost 695,000 [1],[2],[12],[31]       324,000 [4],[7],[14],[29],[34]        
Fair Value 743,000 [12],[31]       373,000 [14],[29],[34]        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [12],[31] [12],[31] [12],[31] [12],[31] 0.00% [14],[29],[34] 0.00% [14],[29],[34] 0.00% [14],[29],[34] 0.00% [14],[29],[34]  
Investment, Identifier [Axis]: Indikami Bidco, LLC (dba IntegriChain), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.00% [31] 4.00% [31] 4.00% [31] 4.00% [31] 6.50% [34] 6.50% [34] 6.50% [34] 6.50% [34]  
Interest, PIK 2.50% [31] 2.50% [31] 2.50% [31] 2.50% [31] 2.50% [34] 2.50% [34] 2.50% [34] 2.50% [34]  
Investment Owned, Balance, Principal Amount $ 48,173,000 [31]       $ 47,874,000 [34]        
Amortized Cost 47,249,000 [1],[2],[31]       46,920,000 [4],[7],[34]        
Fair Value $ 47,692,000 [31]       $ 47,635,000 [34]        
Percentage of Net Assets [31] [31] [31] [31] 0.30% [34] 0.30% [34] 0.30% [34] 0.30% [34]  
Investment, Identifier [Axis]: Indikami Bidco, LLC (dba IntegriChain), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.00% [12],[31] 6.00% [12],[31] 6.00% [12],[31] 6.00% [12],[31] 6.00% [14],[34] 6.00% [14],[34] 6.00% [14],[34] 6.00% [14],[34]  
Investment Owned, Balance, Principal Amount $ 2,628,000 [12],[31]       $ 1,689,000 [14],[34]        
Amortized Cost 2,543,000 [1],[2],[12],[31]       1,601,000 [4],[7],[14],[34]        
Fair Value 2,581,000 [12],[31]       1,666,000 [14],[34]        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [12],[31] [12],[31] [12],[31] [12],[31] 0.00% [14],[34] 0.00% [14],[34] 0.00% [14],[34] 0.00% [14],[34]  
Investment, Identifier [Axis]: Innovation Ventures HoldCo, LLC (dba 5 Hour Energy), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.25% [31] 6.25% [31] 6.25% [31] 6.25% [31] 6.25% [14],[34] 6.25% [14],[34] 6.25% [14],[34] 6.25% [14],[34]  
Investment Owned, Balance, Principal Amount $ 198,087,000 [31]       $ 198,087,000 [14],[34]        
Amortized Cost 196,502,000 [1],[2],[31]       196,311,000 [4],[7],[14],[34]        
Fair Value $ 195,117,000 [31]       $ 195,117,000 [14],[34]        
Percentage of Net Assets [31] [31] [31] [31] 1.30% [14],[34] 1.30% [14],[34] 1.30% [14],[34] 1.30% [14],[34]  
Investment, Identifier [Axis]: Inovalon Holdings, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.75% [11] 5.75% [11] 5.75% [11] 5.75% [11] 5.75% [14],[15] 5.75% [14],[15] 5.75% [14],[15] 5.75% [14],[15]  
Investment Owned, Balance, Principal Amount $ 92,721,000 [11]       $ 92,539,000 [14],[15]        
Amortized Cost 91,403,000 [1],[2],[11]       91,163,000 [4],[7],[14],[15]        
Fair Value $ 92,721,000 [11]       $ 91,382,000 [14],[15]        
Percentage of Net Assets [11] [11] [11] [11] 0.60% [14],[15] 0.60% [14],[15] 0.60% [14],[15] 0.60% [14],[15]  
Investment, Identifier [Axis]: Inovalon Holdings, Inc., Second lien senior secured loan                  
Schedule of Investments [Line Items]                  
Interest, PIK 10.76% [11] 10.76% [11] 10.76% [11] 10.76% [11] 10.50% [15] 10.50% [15] 10.50% [15] 10.50% [15]  
Investment Owned, Balance, Principal Amount $ 60,094,000 [11]       $ 57,826,000 [15]        
Amortized Cost 59,442,000 [1],[2],[11]       57,165,000 [4],[7],[15]        
Fair Value $ 60,094,000 [11]       $ 57,248,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.40% [15] 0.40% [15] 0.40% [15] 0.40% [15]  
Investment, Identifier [Axis]: Insight CP (Blocker) Holdings, L.P. (dba CivicPlus, LLC), LP Interest                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 989 [16],[23],[30] 989 [16],[23],[30] 989 [16],[23],[30] 989 [16],[23],[30] 989,000 [26],[27],[28] 989,000 [26],[27],[28] 989,000 [26],[27],[28] 989,000 [26],[27],[28]  
Amortized Cost $ 989,000 [1],[2],[16],[23],[30]       $ 989,000 [4],[7],[26],[27],[28]        
Fair Value $ 1,239,000 [16],[23],[30]       $ 1,239,000 [26],[27],[28]        
Percentage of Net Assets [16],[23],[30] [16],[23],[30] [16],[23],[30] [16],[23],[30] 0.00% [26],[27],[28] 0.00% [26],[27],[28] 0.00% [26],[27],[28] 0.00% [26],[27],[28]  
Investment, Identifier [Axis]: Integrated Specialty Coverages, LLC, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ 0                
Investment, Identifier [Axis]: Integrated Specialty Coverages, LLC, First lien senior secured delayed draw term loan 1                  
Schedule of Investments [Line Items]                  
Fair Value [10]         $ 0        
Investment, Identifier [Axis]: Integrated Specialty Coverages, LLC, First lien senior secured delayed draw term loan 2                  
Schedule of Investments [Line Items]                  
Fair Value [10]         $ 0        
Investment, Identifier [Axis]: Integrated Specialty Coverages, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.75% [11] 4.75% [11] 4.75% [11] 4.75% [11] 4.75% [34] 4.75% [34] 4.75% [34] 4.75% [34]  
Investment Owned, Balance, Principal Amount $ 101,160,000 [11]       $ 65,430,000 [34]        
Amortized Cost 100,762,000 [1],[2],[11]       65,271,000 [4],[7],[34]        
Fair Value $ 101,160,000 [11]       $ 65,430,000 [34]        
Percentage of Net Assets [11] [11] [11] [11] 0.50% [34] 0.50% [34] 0.50% [34] 0.50% [34]  
Investment, Identifier [Axis]: Integrated Specialty Coverages, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Integrity Marketing Acquisition, LLC, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Integrity Marketing Acquisition, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [15] 5.00% [15] 5.00% [15] 5.00% [15]  
Investment Owned, Balance, Principal Amount $ 352,442,000 [11]       $ 353,327,000 [15]        
Amortized Cost 350,841,000 [1],[2],[11]       351,624,000 [4],[7],[15]        
Fair Value $ 352,442,000 [11]       $ 353,327,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 2.40% [15] 2.40% [15] 2.40% [15] 2.40% [15]  
Investment, Identifier [Axis]: Integrity Marketing Acquisition, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Intelerad Medical Systems Incorporated (fka 11849573 Canada Inc.), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.50% [11],[23] 6.50% [11],[23] 6.50% [11],[23] 6.50% [11],[23] 6.50% [14],[15],[26] 6.50% [14],[15],[26] 6.50% [14],[15],[26] 6.50% [14],[15],[26]  
Investment Owned, Balance, Principal Amount $ 31,446,000 [11],[23]       $ 31,522,000 [14],[15],[26]        
Amortized Cost 31,315,000 [1],[2],[11],[23]       31,369,000 [4],[7],[14],[15],[26]        
Fair Value $ 30,661,000 [11],[23]       $ 30,735,000 [14],[15],[26]        
Percentage of Net Assets [11],[23] [11],[23] [11],[23] [11],[23] 0.20% [14],[15],[26] 0.20% [14],[15],[26] 0.20% [14],[15],[26] 0.20% [14],[15],[26]  
Investment, Identifier [Axis]: Intelerad Medical Systems Incorporated (fka 11849573 Canada Inc.), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Interoperability Bidco, Inc. (dba Lyniate), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (102,000) [13]       $ (127,000) [10]        
Investment, Identifier [Axis]: Interoperability Bidco, Inc. (dba Lyniate), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.75% [11],[12] 5.75% [11],[12] 5.75% [11],[12] 5.75% [11],[12] 6.25% [14],[15] 6.25% [14],[15] 6.25% [14],[15] 6.25% [14],[15]  
Investment Owned, Balance, Principal Amount $ 78,481,000 [11],[12]       $ 77,348,000 [14],[15]        
Amortized Cost 78,254,000 [1],[2],[11],[12]       77,128,000 [4],[7],[14],[15]        
Fair Value $ 76,819,000 [11],[12]       $ 75,415,000 [14],[15]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 0.50% [14],[15] 0.50% [14],[15] 0.50% [14],[15] 0.50% [14],[15]  
Investment, Identifier [Axis]: Interoperability Bidco, Inc. (dba Lyniate), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [14],[34]         6.25% 6.25% 6.25% 6.25%  
Investment Owned, Balance, Principal Amount [14],[34]         $ 313,000        
Amortized Cost [4],[7],[14],[34]         277,000        
Fair Value [14],[34]         162,000        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [14],[34]         0.00% 0.00% 0.00% 0.00%  
Investment, Identifier [Axis]: Ivanti Software, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [34],[35]         4.25% 4.25% 4.25% 4.25%  
Investment Owned, Balance, Principal Amount [34],[35]         $ 12,835,000        
Amortized Cost [4],[7],[34],[35]         12,100,000        
Fair Value [34],[35]         $ 8,792,000        
Percentage of Net Assets [34],[35]         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Ivanti Software, Inc., Second lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [15]         7.25% 7.25% 7.25% 7.25%  
Investment Owned, Balance, Principal Amount [15]         $ 19,000,000        
Amortized Cost [4],[7],[15]         18,943,000        
Fair Value [15]         $ 10,450,000        
Percentage of Net Assets [15]         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: JS Parent, Inc. (dba Jama Software), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [15] 5.00% [15] 5.00% [15] 5.00% [15]  
Investment Owned, Balance, Principal Amount $ 907,000 [11]       $ 909,000 [15]        
Amortized Cost 903,000 [1],[2],[11]       905,000 [4],[7],[15]        
Fair Value $ 907,000 [11]       $ 909,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.00% [15] 0.00% [15] 0.00% [15] 0.00% [15]  
Investment, Identifier [Axis]: JS Parent, Inc. (dba Jama Software), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Javelin Buyer, Inc. (dba JAGGAER), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.25% [11],[32] 3.25% [11],[32] 3.25% [11],[32] 3.25% [11],[32] 3.25% [15],[35] 3.25% [15],[35] 3.25% [15],[35] 3.25% [15],[35]  
Investment Owned, Balance, Principal Amount $ 15,000,000 [11],[32]       $ 15,000,000 [15],[35]        
Amortized Cost 14,964,000 [1],[2],[11],[32]       14,963,000 [4],[7],[15],[35]        
Fair Value $ 14,915,000 [11],[32]       $ 15,104,000 [15],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.10% [15],[35] 0.10% [15],[35] 0.10% [15],[35] 0.10% [15],[35]  
Investment, Identifier [Axis]: KABAFUSION Parent, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11] 5.00% 5.00% 5.00% 5.00%          
Investment Owned, Balance, Principal Amount [11] $ 71,222,000                
Amortized Cost [1],[2],[11] 70,537,000                
Fair Value [11] $ 71,044,000                
Percentage of Net Assets [11]          
Investment, Identifier [Axis]: KABAFUSION Parent, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [14],[15]         5.00% 5.00% 5.00% 5.00%  
Investment Owned, Balance, Principal Amount [14],[15]         $ 71,222,000        
Amortized Cost [4],[7],[14],[15]         70,518,000        
Fair Value [14],[15]         70,510,000        
Fair Value $ (22,000) [13]       $ (89,000) [10]        
Percentage of Net Assets [14],[15]         0.50% 0.50% 0.50% 0.50%  
Investment, Identifier [Axis]: KBP Brands, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.50% [11] 5.50% [11] 5.50% [11] 5.50% [11] 5.50% [14],[15] 5.50% [14],[15] 5.50% [14],[15] 5.50% [14],[15]  
Interest, PIK [11] 0.50% 0.50% 0.50% 0.50%          
Investment Owned, Balance, Principal Amount $ 55,903,000 [11]       $ 56,020,000 [14],[15]        
Amortized Cost 55,526,000 [1],[2],[11]       55,601,000 [4],[7],[14],[15]        
Fair Value $ 54,924,000 [11]       $ 54,900,000 [14],[15]        
Percentage of Net Assets [11] [11] [11] [11] 0.40% [14],[15] 0.40% [14],[15] 0.40% [14],[15] 0.40% [14],[15]  
Investment, Identifier [Axis]: KENE Acquisition, Inc. (dba Entrust Solutions Group), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [14],[29],[34]         5.25% 5.25% 5.25% 5.25%  
Investment Owned, Balance, Principal Amount [14],[29],[34]         $ 777,000        
Amortized Cost [4],[7],[14],[29],[34]         704,000        
Fair Value [14],[29],[34]         751,000        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [14],[29],[34]         0.00% 0.00% 0.00% 0.00%  
Investment, Identifier [Axis]: KENE Acquisition, Inc. (dba Entrust Solutions Group), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [11],[12] 5.25% [11],[12] 5.25% [11],[12] 5.25% [11],[12] 5.25% [15] 5.25% [15] 5.25% [15] 5.25% [15]  
Investment Owned, Balance, Principal Amount $ 17,535,000 [11],[12]       $ 16,802,000 [15]        
Amortized Cost 17,171,000 [1],[2],[11],[12]       16,499,000 [4],[7],[15]        
Fair Value $ 17,299,000 [11],[12]       $ 16,592,000 [15]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 0.10% [15] 0.10% [15] 0.10% [15] 0.10% [15]  
Investment, Identifier [Axis]: KENE Acquisition, Inc. (dba Entrust Solutions Group), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (28,000) [13]       $ (28,000) [10]        
Investment, Identifier [Axis]: KOBHG Holdings, L.P. (dba OB Hospitalist), Class A Interests                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 3,520 [16],[30] 3,520 [16],[30] 3,520 [16],[30] 3,520 [16],[30] 3,520,000 [27],[28] 3,520,000 [27],[28] 3,520,000 [27],[28] 3,520,000 [27],[28]  
Amortized Cost $ 3,520,000 [1],[2],[16],[30]       $ 3,520,000 [4],[7],[27],[28]        
Fair Value $ 3,220,000 [16],[30]       $ 3,220,000 [27],[28]        
Percentage of Net Assets [16],[30] [16],[30] [16],[30] [16],[30] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28]  
Investment, Identifier [Axis]: KPCI Holdings, L.P., Class A Units                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 1,781 [16],[30] 1,781 [16],[30] 1,781 [16],[30] 1,781 [16],[30] 1,781,000 [27],[28] 1,781,000 [27],[28] 1,781,000 [27],[28] 1,781,000 [27],[28]  
Amortized Cost $ 2,313,000 [1],[2],[16],[30]       $ 2,313,000 [4],[7],[27],[28]        
Fair Value $ 5,050,000 [16],[30]       $ 4,977,000 [27],[28]        
Percentage of Net Assets [16],[30] [16],[30] [16],[30] [16],[30] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28]  
Investment, Identifier [Axis]: KPSKY Acquisition, Inc. (dba BluSky), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.75% [11],[12] 5.75% [11],[12] 5.75% [11],[12] 5.75% [11],[12] 5.75% [14],[15],[29] 5.75% [14],[15],[29] 5.75% [14],[15],[29] 5.75% [14],[15],[29]  
Investment Owned, Balance, Principal Amount $ 72,000 [11],[12]       $ 73,000 [14],[15],[29]        
Amortized Cost 28,000 [1],[2],[11],[12]       25,000 [4],[7],[14],[15],[29]        
Fair Value (265,000) [11],[12]       (342,000) [14],[15],[29]        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 0.00% [14],[15],[29] 0.00% [14],[15],[29] 0.00% [14],[15],[29] 0.00% [14],[15],[29]  
Investment, Identifier [Axis]: KPSKY Acquisition, Inc. (dba BluSky), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.50% [11] 5.50% [11] 5.50% [11] 5.50% [11] 5.50% [14],[15] 5.50% [14],[15] 5.50% [14],[15] 5.50% [14],[15]  
Investment Owned, Balance, Principal Amount $ 100,922,000 [11]       $ 101,182,000 [14],[15]        
Amortized Cost 99,776,000 [1],[2],[11]       99,963,000 [4],[7],[14],[15]        
Fair Value $ 93,857,000 [11]       $ 92,834,000 [14],[15]        
Percentage of Net Assets [11] [11] [11] [11] 0.60% [14],[15] 0.60% [14],[15] 0.60% [14],[15] 0.60% [14],[15]  
Investment, Identifier [Axis]: KRIV Acquisition Inc. (dba Riveron), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.75% [11] 5.75% [11] 5.75% [11] 5.75% [11] 5.75% [14],[15] 5.75% [14],[15] 5.75% [14],[15] 5.75% [14],[15]  
Investment Owned, Balance, Principal Amount $ 79,477,000 [11]       $ 79,678,000 [14],[15]        
Amortized Cost 77,623,000 [1],[2],[11]       77,731,000 [4],[7],[14],[15]        
Fair Value $ 79,477,000 [11]       $ 79,678,000 [14],[15]        
Percentage of Net Assets [11] [11] [11] [11] 0.50% [14],[15] 0.50% [14],[15] 0.50% [14],[15] 0.50% [14],[15]  
Investment, Identifier [Axis]: KRIV Acquisition Inc. (dba Riveron), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [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, PIK 10.60% [31] 10.60% [31] 10.60% [31] 10.60% [31] 10.50% [34] 10.50% [34] 10.50% [34] 10.50% [34]  
Investment Owned, Balance, Principal Amount $ 17,185,000 [31]       $ 16,559,000 [34]        
Amortized Cost 17,065,000 [1],[2],[31]       16,432,000 [4],[7],[34]        
Fair Value $ 17,185,000 [31]       $ 16,559,000 [34]        
Percentage of Net Assets [31] [31] [31] [31] 0.10% [34] 0.10% [34] 0.10% [34] 0.10% [34]  
Investment, Identifier [Axis]: KWOL Acquisition Inc. (dba Worldwide Clinical Trials), Class A Interest                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares [27],[28]         1,205,000 1,205,000 1,205,000 1,205,000  
Amortized Cost [4],[7],[27],[28]         $ 12,048,000        
Fair Value [27],[28]         $ 13,657,000        
Percentage of Net Assets [27],[28]         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: KWOL Acquisition Inc. (dba Worldwide Clinical Trials), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [15]         4.75% 4.75% 4.75% 4.75%  
Investment Owned, Balance, Principal Amount [15]         $ 172,278,000        
Amortized Cost [4],[7],[15]         169,481,000        
Fair Value [15]         $ 172,278,000        
Percentage of Net Assets [15]         1.20% 1.20% 1.20% 1.20%  
Investment, Identifier [Axis]: KWOL Acquisition Inc. (dba Worldwide Clinical Trials), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value [10]         $ 0        
Investment, Identifier [Axis]: KWOL Acquisition, Inc. (dba Worldwide Clinical Trials), Class A Interest                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares [16],[30] 1,205 1,205 1,205 1,205          
Amortized Cost [1],[2],[16],[30] $ 12,048,000                
Fair Value [16],[30] $ 14,700,000                
Percentage of Net Assets [16],[30]          
Investment, Identifier [Axis]: KWOL Acquisition, Inc. (dba Worldwide Clinical Trials), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11] 4.75% 4.75% 4.75% 4.75%          
Investment Owned, Balance, Principal Amount [11] $ 173,203,000                
Amortized Cost [1],[2],[11] 170,529,000                
Fair Value [11] $ 173,203,000                
Percentage of Net Assets [11]          
Investment, Identifier [Axis]: KWOL Acquisition, Inc. (dba Worldwide Clinical Trials), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ 0                
Investment, Identifier [Axis]: KWOR Acquisition, Inc. (dba Alacrity Solutions), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ (19,000)                
Investment, Identifier [Axis]: KWOR Acquisition, Inc. (dba Alacrity Solutions), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 1.00% [11] 1.00% [11] 1.00% [11] 1.00% [11] 4.25% [14],[27],[49],[56] 4.25% [14],[27],[49],[56] 4.25% [14],[27],[49],[56] 4.25% [14],[27],[49],[56]  
Interest, PIK [11] 5.25% 5.25% 5.25% 5.25%          
Investment Owned, Balance, Principal Amount $ 17,590,000 [11]       $ 34,615,000 [14],[27],[49],[56]        
Amortized Cost 17,504,000 [1],[2],[11]       34,215,000 [4],[7],[14],[27],[49],[56]        
Fair Value $ 17,502,000 [11]       $ 27,345,000 [14],[27],[49],[56]        
Percentage of Net Assets [11] [11] [11] [11] 0.20% [14],[27],[49],[56] 0.20% [14],[27],[49],[56] 0.20% [14],[27],[49],[56] 0.20% [14],[27],[49],[56]  
Investment, Identifier [Axis]: KWOR Acquisition, Inc. (dba Alacrity Solutions), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [27],[49],[56]         4.25% 4.25% 4.25% 4.25%  
Investment Owned, Balance, Principal Amount [27],[49],[56]         $ 3,415,000        
Amortized Cost [4],[7],[27],[49],[56]         3,363,000        
Fair Value [27],[49],[56]         2,698,000        
Fair Value $ (14,000) [13]       $ 0 [10]        
Percentage of Net Assets [27],[49],[56]         0.00% 0.00% 0.00% 0.00%  
Investment, Identifier [Axis]: KWOR Intermediate I, Inc. (dba Alacrity Solutions), Class A-1 Common Stock                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares [16],[30] 3,605 3,605 3,605 3,605          
Amortized Cost [1],[2],[16],[30] $ 1,726,000                
Fair Value [16],[30] $ 1,726,000                
Percentage of Net Assets [16],[30]          
Investment, Identifier [Axis]: KWOR Intermediate I, Inc. (dba Alacrity Solutions), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Interest, PIK [11] 8.00% 8.00% 8.00% 8.00%          
Investment Owned, Balance, Principal Amount [11] $ 5,783,000                
Amortized Cost [1],[2],[11] 5,726,000                
Fair Value [11] $ 5,725,000                
Percentage of Net Assets [11]          
Investment, Identifier [Axis]: KWOR Intermediate I, Inc. (dba Alacrity Solutions), Preferred Stock                  
Schedule of Investments [Line Items]                  
Interest, PIK [11],[30] 8.00% 8.00% 8.00% 8.00%          
Units (in shares) | shares [11],[30] 3,856 3,856 3,856 3,856          
Amortized Cost [1],[2],[11],[30] $ 3,857,000                
Fair Value [11],[30] $ 3,856,000                
Percentage of Net Assets [11],[30]          
Investment, Identifier [Axis]: Kaseya Inc., First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [14],[15],[29]         5.50% 5.50% 5.50% 5.50%  
Investment Owned, Balance, Principal Amount [14],[15],[29]         $ 2,213,000        
Amortized Cost [4],[7],[14],[15],[29]         2,120,000        
Fair Value [14],[15],[29]         2,213,000        
Fair Value [10]         $ 0        
Percentage of Net Assets [14],[15],[29]         0.00% 0.00% 0.00% 0.00%  
Investment, Identifier [Axis]: Kaseya Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.25% [31] 3.25% [31] 3.25% [31] 3.25% [31] 5.50% [34] 5.50% [34] 5.50% [34] 5.50% [34]  
Investment Owned, Balance, Principal Amount $ 80,000,000 [31]       $ 72,874,000 [34]        
Amortized Cost 79,602,000 [1],[2],[31]       71,860,000 [4],[7],[34]        
Fair Value $ 79,600,000 [31]       $ 72,874,000 [34]        
Percentage of Net Assets [31] [31] [31] [31] 0.50% [34] 0.50% [34] 0.50% [34] 0.50% [34]  
Investment, Identifier [Axis]: Kaseya Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value [10]         $ 0        
Investment, Identifier [Axis]: Kaseya Inc., Second lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [31] 5.00% 5.00% 5.00% 5.00%          
Investment Owned, Balance, Principal Amount [31] $ 20,000,000                
Amortized Cost [1],[2],[31] 19,900,000                
Fair Value [31] $ 19,900,000                
Percentage of Net Assets [31]          
Investment, Identifier [Axis]: Klarna Holding AB, Subordinated Floating Rate Notes                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 7.00% [11],[23] 7.00% [11],[23] 7.00% [11],[23] 7.00% [11],[23] 7.00% [15],[26] 7.00% [15],[26] 7.00% [15],[26] 7.00% [15],[26]  
Investment Owned, Balance, Principal Amount $ 1,000,000 [11],[23]       $ 1,000,000 [15],[26]        
Amortized Cost 1,000,000 [1],[2],[11],[23]       1,000,000 [4],[7],[15],[26]        
Fair Value $ 1,000,000 [11],[23]       $ 1,000,000 [15],[26]        
Percentage of Net Assets [11],[23] [11],[23] [11],[23] [11],[23] 0.00% [15],[26] 0.00% [15],[26] 0.00% [15],[26] 0.00% [15],[26]  
Investment, Identifier [Axis]: Knockout Intermediate Holdings I Inc. (dba Kaseya Inc.), Perpetual Preferred Stock                  
Schedule of Investments [Line Items]                  
Interest, PIK 11.00% [30],[36] 11.00% [30],[36] 11.00% [30],[36] 11.00% [30],[36] 10.75% [28],[42] 10.75% [28],[42] 10.75% [28],[42] 10.75% [28],[42]  
Units (in shares) | shares 33,768 [30],[36] 33,768 [30],[36] 33,768 [30],[36] 33,768 [30],[36] 53,600,000 [28],[42] 53,600,000 [28],[42] 53,600,000 [28],[42] 53,600,000 [28],[42]  
Amortized Cost $ 46,323,000 [1],[2],[30],[36]       $ 73,370,000 [4],[7],[28],[42]        
Fair Value $ 46,828,000 [30],[36]       $ 74,361,000 [28],[42]        
Percentage of Net Assets [30],[36] [30],[36] [30],[36] [30],[36] 0.50% [28],[42] 0.50% [28],[42] 0.50% [28],[42] 0.50% [28],[42]  
Investment, Identifier [Axis]: LSI Financing 1 DAC                  
Schedule of Investments [Line Items]                  
Fair Value $ 4,690,000       $ 4,771,000       78,406,000
Investment, Identifier [Axis]: LSI Financing 1 DAC, Preferred equity                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 4,778 [16],[18],[23],[30] 4,778 [16],[18],[23],[30] 4,778 [16],[18],[23],[30] 4,778 [16],[18],[23],[30] 4,778,000 [26],[28],[57] 4,778,000 [26],[28],[57] 4,778,000 [26],[28],[57] 4,778,000 [26],[28],[57]  
Amortized Cost $ 4,828,000 [1],[2],[16],[18],[23],[30]       $ 4,828,000 [4],[7],[26],[28],[57]        
Fair Value $ 4,690,000 [16],[18],[23],[30]       $ 4,771,000 [26],[28],[57]        
Percentage of Net Assets [16],[18],[23],[30] [16],[18],[23],[30] [16],[18],[23],[30] [16],[18],[23],[30] 0.00% [26],[28],[57] 0.00% [26],[28],[57] 0.00% [26],[28],[57] 0.00% [26],[28],[57]  
Investment, Identifier [Axis]: LSI Financing LLC                  
Schedule of Investments [Line Items]                  
Fair Value $ 224,922,000       $ 293,775,000       0
Investment, Identifier [Axis]: LSI Financing LLC, Common Equity                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 216,313 [12],[21],[23],[30],[43] 216,313 [12],[21],[23],[30],[43] 216,313 [12],[21],[23],[30],[43] 216,313 [12],[21],[23],[30],[43] 288,704,000 288,704,000 288,704,000 288,704,000  
Amortized Cost $ 216,313,000 [1],[2],[12],[21],[23],[30],[43]       $ 288,704,000 [4],[7],[14],[25],[26],[28],[29],[44]        
Fair Value 224,922,000 [12],[21],[23],[30],[43]       293,775,000 [14],[25],[26],[28],[29],[44]        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [12],[21],[23],[30],[43] [12],[21],[23],[30],[43] [12],[21],[23],[30],[43] [12],[21],[23],[30],[43] 2.00% [14],[25],[26],[28],[29],[44] 2.00% [14],[25],[26],[28],[29],[44] 2.00% [14],[25],[26],[28],[29],[44] 2.00% [14],[25],[26],[28],[29],[44]  
Investment, Identifier [Axis]: Lakefield Acquisition Corp. (dba Lakefield Veterinary Group), Common Equity                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares [16],[30] 1,329 1,329 1,329 1,329          
Amortized Cost [1],[2],[16],[30] $ 3,500,000                
Fair Value [16],[30] $ 3,500,000                
Percentage of Net Assets [16],[30]          
Investment, Identifier [Axis]: Lakefield Acquisition Corp. (dba Lakefield Veterinary Group), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Lakefield Acquisition Corp. (dba Lakefield Veterinary Group), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.00% [12],[31] 4.00% [12],[31] 4.00% [12],[31] 4.00% [12],[31] 4.00% [14],[34] 4.00% [14],[34] 4.00% [14],[34] 4.00% [14],[34]  
Investment Owned, Balance, Principal Amount $ 76,948,000 [12],[31]       $ 73,261,000 [14],[34]        
Amortized Cost 76,607,000 [1],[2],[12],[31]       72,907,000 [4],[7],[14],[34]        
Fair Value $ 76,563,000 [12],[31]       $ 72,895,000 [14],[34]        
Percentage of Net Assets [12],[31] [12],[31] [12],[31] [12],[31] 0.50% [14],[34] 0.50% [14],[34] 0.50% [14],[34] 0.50% [14],[34]  
Investment, Identifier [Axis]: Lakefield Acquisition Corp. (dba Lakefield Veterinary Group), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (43,000) [13]       $ (43,000) [10]        
Investment, Identifier [Axis]: Learning Care Group (US) No. 2 Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.00% [11],[32] 4.00% [11],[32] 4.00% [11],[32] 4.00% [11],[32] 4.00% [15],[35] 4.00% [15],[35] 4.00% [15],[35] 4.00% [15],[35]  
Investment Owned, Balance, Principal Amount $ 42,113,000 [11],[32]       $ 22,220,000 [15],[35]        
Amortized Cost 42,096,000 [1],[2],[11],[32]       22,220,000 [4],[7],[15],[35]        
Fair Value $ 41,734,000 [11],[32]       $ 22,406,000 [15],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.20% [15],[35] 0.20% [15],[35] 0.20% [15],[35] 0.20% [15],[35]  
Investment, Identifier [Axis]: Level 3 Financing, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [23],[31],[32] 4.25% 4.25% 4.25% 4.25%          
Investment Owned, Balance, Principal Amount [23],[31],[32] $ 130,000,000                
Amortized Cost [1],[2],[23],[31],[32] 128,050,000                
Fair Value [23],[31],[32] $ 128,258,000                
Percentage of Net Assets [23],[31],[32]          
Investment, Identifier [Axis]: Level 3 Financing, Inc., First lien senior secured loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [26],[34],[35]         6.56% 6.56% 6.56% 6.56%  
Investment Owned, Balance, Principal Amount [26],[34],[35]         $ 39,096,000        
Amortized Cost [4],[7],[26],[34],[35]         38,475,000        
Fair Value [26],[34],[35]         $ 39,811,000        
Percentage of Net Assets [26],[34],[35]         0.30% 0.30% 0.30% 0.30%  
Investment, Identifier [Axis]: Level 3 Financing, Inc., First lien senior secured loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [26],[34],[35]         6.56% 6.56% 6.56% 6.56%  
Investment Owned, Balance, Principal Amount [26],[34],[35]         $ 39,096,000        
Amortized Cost [4],[7],[26],[34],[35]         38,382,000        
Fair Value [26],[34],[35]         $ 39,800,000        
Percentage of Net Assets [26],[34],[35]         0.30% 0.30% 0.30% 0.30%  
Investment, Identifier [Axis]: Lightbeam Bidco, Inc. (dba Lazer Spot), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Lightbeam Bidco, Inc. (dba Lazer Spot), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [11],[12] 5.00% [11],[12] 5.00% [11],[12] 5.00% [11],[12] 5.00% [14],[15] 5.00% [14],[15] 5.00% [14],[15] 5.00% [14],[15]  
Investment Owned, Balance, Principal Amount $ 138,903,000 [11],[12]       $ 139,256,000 [14],[15]        
Amortized Cost 138,911,000 [1],[2],[11],[12]       139,264,000 [4],[7],[14],[15]        
Fair Value $ 138,903,000 [11],[12]       $ 139,256,000 [14],[15]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 1.00% [14],[15] 1.00% [14],[15] 1.00% [14],[15] 1.00% [14],[15]  
Investment, Identifier [Axis]: Lightbeam Bidco, Inc. (dba Lazer Spot), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11],[12] 5.00% 5.00% 5.00% 5.00%          
Investment Owned, Balance, Principal Amount [11],[12] $ 3,116,000                
Amortized Cost [1],[2],[11],[12] 3,036,000                
Fair Value [11],[12] 3,116,000                
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [11],[12]          
Investment, Identifier [Axis]: Lignetics Investment Corp., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.50% [11] 5.50% [11] 5.50% [11] 5.50% [11] 5.50% [14],[15] 5.50% [14],[15] 5.50% [14],[15] 5.50% [14],[15]  
Investment Owned, Balance, Principal Amount $ 95,976,000 [11]       $ 96,223,000 [14],[15]        
Amortized Cost 95,768,000 [1],[2],[11]       95,996,000 [4],[7],[14],[15]        
Fair Value $ 95,496,000 [11]       $ 95,743,000 [14],[15]        
Percentage of Net Assets [11] [11] [11] [11] 0.70% [14],[15] 0.70% [14],[15] 0.70% [14],[15] 0.70% [14],[15]  
Investment, Identifier [Axis]: Lignetics Investment Corp., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.50% [11],[12] 5.50% [11],[12] 5.50% [11],[12] 5.50% [11],[12] 5.50% [14],[15] 5.50% [14],[15] 5.50% [14],[15] 5.50% [14],[15]  
Investment Owned, Balance, Principal Amount $ 7,647,000 [11],[12]       $ 8,412,000 [14],[15]        
Amortized Cost 7,625,000 [1],[2],[11],[12]       8,386,000 [4],[7],[14],[15]        
Fair Value 7,590,000 [11],[12]       8,354,000 [14],[15]        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 0.10% [14],[15] 0.10% [14],[15] 0.10% [14],[15] 0.10% [14],[15]  
Investment, Identifier [Axis]: Litera Bidco LLC, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value [10]         $ 0        
Investment, Identifier [Axis]: Litera Bidco LLC, First lien senior secured delayed draw term loan 1                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ (10,000) [10]        
Investment, Identifier [Axis]: Litera Bidco LLC, First lien senior secured delayed draw term loan 2                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ (10,000)                
Investment, Identifier [Axis]: Litera Bidco LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [12],[31] 5.00% [12],[31] 5.00% [12],[31] 5.00% [12],[31] 5.00% [14],[34] 5.00% [14],[34] 5.00% [14],[34] 5.00% [14],[34]  
Investment Owned, Balance, Principal Amount $ 42,846,000 [12],[31]       $ 38,654,000 [14],[34]        
Amortized Cost 42,671,000 [1],[2],[12],[31]       38,477,000 [4],[7],[14],[34]        
Fair Value $ 42,739,000 [12],[31]       $ 38,558,000 [14],[34]        
Percentage of Net Assets [12],[31] [12],[31] [12],[31] [12],[31] 0.30% [14],[34] 0.30% [14],[34] 0.30% [14],[34] 0.30% [14],[34]  
Investment, Identifier [Axis]: Litera Bidco LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (6,000) [13]       $ (6,000) [10]        
Investment, Identifier [Axis]: MADISON IAQ LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [31] 3.25% 3.25% 3.25% 3.25%          
Investment Owned, Balance, Principal Amount [31] $ 40,000,000                
Amortized Cost [1],[2],[31] 39,600,000                
Fair Value [31] $ 39,600,000                
Percentage of Net Assets [31]          
Investment, Identifier [Axis]: MED ParentCo, LP, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.50% [31],[32] 3.50% [31],[32] 3.50% [31],[32] 3.50% [31],[32] 3.50% [34],[35] 3.50% [34],[35] 3.50% [34],[35] 3.50% [34],[35]  
Investment Owned, Balance, Principal Amount $ 24,875,000 [31],[32]       $ 24,938,000 [34],[35]        
Amortized Cost 24,875,000 [1],[2],[31],[32]       24,938,000 [4],[7],[34],[35]        
Fair Value $ 24,820,000 [31],[32]       $ 25,110,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.20% [34],[35] 0.20% [34],[35] 0.20% [34],[35] 0.20% [34],[35]  
Investment, Identifier [Axis]: MHE Intermediate Holdings, LLC (dba OnPoint Group), First lien senior secured loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.00% [11],[12] 6.00% [11],[12] 6.00% [11],[12] 6.00% [11],[12] 6.00% [14],[15] 6.00% [14],[15] 6.00% [14],[15] 6.00% [14],[15]  
Investment Owned, Balance, Principal Amount $ 61,315,000 [11],[12]       $ 60,717,000 [14],[15]        
Amortized Cost 61,028,000 [1],[2],[11],[12]       60,400,000 [4],[7],[14],[15]        
Fair Value $ 60,998,000 [11],[12]       $ 60,717,000 [14],[15]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 0.40% [14],[15] 0.40% [14],[15] 0.40% [14],[15] 0.40% [14],[15]  
Investment, Identifier [Axis]: MHE Intermediate Holdings, LLC (dba OnPoint Group), First lien senior secured loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.25% [11] 6.25% [11] 6.25% [11] 6.25% [11] 6.25% [15] 6.25% [15] 6.25% [15] 6.25% [15]  
Investment Owned, Balance, Principal Amount $ 4,620,000 [11]       $ 4,620,000 [15]        
Amortized Cost 4,571,000 [1],[2],[11]       4,566,000 [4],[7],[15]        
Fair Value $ 4,608,000 [11]       $ 4,620,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.00% [15] 0.00% [15] 0.00% [15] 0.00% [15]  
Investment, Identifier [Axis]: MHE Intermediate Holdings, LLC (dba OnPoint Group), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: MJH Healthcare Holdings, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.25% [31],[32],[41] 3.25% [31],[32],[41] 3.25% [31],[32],[41] 3.25% [31],[32],[41] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35]  
Investment Owned, Balance, Principal Amount $ 14,428,000 [31],[32],[41]       $ 14,465,000 [34],[35]        
Amortized Cost 14,428,000 [1],[2],[31],[32],[41]       14,465,000 [4],[7],[34],[35]        
Fair Value $ 14,339,000 [31],[32],[41]       $ 14,528,000 [34],[35]        
Percentage of Net Assets [31],[32],[41] [31],[32],[41] [31],[32],[41] [31],[32],[41] 0.10% [34],[35] 0.10% [34],[35] 0.10% [34],[35] 0.10% [34],[35]  
Investment, Identifier [Axis]: Magnet Forensics, LLC (f/k/a Grayshift, LLC), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [23],[31] 5.00% [23],[31] 5.00% [23],[31] 5.00% [23],[31] 5.00% [26],[34] 5.00% [26],[34] 5.00% [26],[34] 5.00% [26],[34]  
Investment Owned, Balance, Principal Amount $ 167,675,000 [23],[31]       $ 168,082,000 [26],[34]        
Amortized Cost 167,503,000 [1],[2],[23],[31]       167,898,000 [4],[7],[26],[34]        
Fair Value $ 167,675,000 [23],[31]       $ 168,082,000 [26],[34]        
Percentage of Net Assets [23],[31] [23],[31] [23],[31] [23],[31] 1.20% [26],[34] 1.20% [26],[34] 1.20% [26],[34] 1.20% [26],[34]  
Investment, Identifier [Axis]: Magnet Forensics, LLC (f/k/a Grayshift, LLC), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Maia Aggregator, LP, Class A-2 Units                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 12,921,348 [16],[30] 12,921,348 [16],[30] 12,921,348 [16],[30] 12,921,348 [16],[30] 12,921,348,000 [27],[28] 12,921,348,000 [27],[28] 12,921,348,000 [27],[28] 12,921,348,000 [27],[28]  
Amortized Cost $ 12,921,000 [1],[2],[16],[30]       $ 12,921,000 [4],[7],[27],[28]        
Fair Value $ 11,687,000 [16],[30]       $ 11,687,000 [27],[28]        
Percentage of Net Assets [16],[30] [16],[30] [16],[30] [16],[30] 0.10% [27],[28] 0.10% [27],[28] 0.10% [27],[28] 0.10% [27],[28]  
Investment, Identifier [Axis]: ManTech International Corporation, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: ManTech International Corporation, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [15] 5.00% [15] 5.00% [15] 5.00% [15]  
Investment Owned, Balance, Principal Amount $ 14,637,000 [11]       $ 14,674,000 [15]        
Amortized Cost 14,637,000 [1],[2],[11]       14,674,000 [4],[7],[15]        
Fair Value $ 14,637,000 [11]       $ 14,674,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.10% [15] 0.10% [15] 0.10% [15] 0.10% [15]  
Investment, Identifier [Axis]: ManTech International Corporation, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Maple Acquisition, LLC (dba Medicus), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Maple Acquisition, LLC (dba Medicus), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [36] 5.00% [36] 5.00% [36] 5.00% [36] 5.25% [42] 5.25% [42] 5.25% [42] 5.25% [42]  
Investment Owned, Balance, Principal Amount $ 105,649,000 [36]       $ 107,353,000 [42]        
Amortized Cost 104,927,000 [1],[2],[36]       106,598,000 [4],[7],[42]        
Fair Value $ 105,649,000 [36]       $ 107,353,000 [42]        
Percentage of Net Assets [36] [36] [36] [36] 0.70% [42] 0.70% [42] 0.70% [42] 0.70% [42]  
Investment, Identifier [Axis]: Maple Acquisition, LLC (dba Medicus), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Mario Midco Holdings, Inc. (dba Len the Plumber), Unsecured facility                  
Schedule of Investments [Line Items]                  
Interest, PIK 10.75% [31] 10.75% [31] 10.75% [31] 10.75% [31] 10.75% [34] 10.75% [34] 10.75% [34] 10.75% [34]  
Investment Owned, Balance, Principal Amount $ 34,035,000 [31]       $ 32,775,000 [34]        
Amortized Cost 33,489,000 [1],[2],[31]       32,218,000 [4],[7],[34]        
Fair Value $ 32,843,000 [31]       $ 31,628,000 [34]        
Percentage of Net Assets [31] [31] [31] [31] 0.20% [34] 0.20% [34] 0.20% [34] 0.20% [34]  
Investment, Identifier [Axis]: Mario Purchaser, LLC (dba Len the Plumber), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Mario Purchaser, LLC (dba Len the Plumber), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.75% [12],[31] 5.75% [12],[31] 5.75% [12],[31] 5.75% [12],[31] 5.75% [14],[34] 5.75% [14],[34] 5.75% [14],[34] 5.75% [14],[34]  
Investment Owned, Balance, Principal Amount $ 116,347,000 [12],[31]       $ 116,644,000 [14],[34]        
Amortized Cost 114,611,000 [1],[2],[12],[31]       114,810,000 [4],[7],[14],[34]        
Fair Value $ 112,725,000 [12],[31]       $ 113,014,000 [14],[34]        
Percentage of Net Assets [12],[31] [12],[31] [12],[31] [12],[31] 0.80% [14],[34] 0.80% [14],[34] 0.80% [14],[34] 0.80% [14],[34]  
Investment, Identifier [Axis]: Mario Purchaser, LLC (dba Len the Plumber), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.75% [12],[31] 5.75% [12],[31] 5.75% [12],[31] 5.75% [12],[31] 5.75% [14],[34] 5.75% [14],[34] 5.75% [14],[34] 5.75% [14],[34]  
Investment Owned, Balance, Principal Amount $ 2,947,000 [12],[31]       $ 2,411,000 [14],[34]        
Amortized Cost 2,865,000 [1],[2],[12],[31]       2,323,000 [4],[7],[14],[34]        
Fair Value 2,726,000 [12],[31]       2,190,000 [14],[34]        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [12],[31] [12],[31] [12],[31] [12],[31] 0.00% [14],[34] 0.00% [14],[34] 0.00% [14],[34] 0.00% [14],[34]  
Investment, Identifier [Axis]: Mavis Tire Express Services Topco Corp., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.00% [11],[32] 3.00% [11],[32] 3.00% [11],[32] 3.00% [11],[32] 3.50% [34],[35] 3.50% [34],[35] 3.50% [34],[35] 3.50% [34],[35]  
Investment Owned, Balance, Principal Amount $ 29,044,000 [11],[32]       $ 29,044,000 [34],[35]        
Amortized Cost 29,044,000 [1],[2],[11],[32]       29,044,000 [4],[7],[34],[35]        
Fair Value $ 28,829,000 [11],[32]       $ 29,207,000 [34],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.20% [34],[35] 0.20% [34],[35] 0.20% [34],[35] 0.20% [34],[35]  
Investment, Identifier [Axis]: Metis HoldCo, Inc. (dba Mavis Tire Express Services), Series A Convertible Preferred Stock                  
Schedule of Investments [Line Items]                  
Interest, PIK 7.00% [22],[30] 7.00% [22],[30] 7.00% [22],[30] 7.00% [22],[30] 7.00% [24],[28] 7.00% [24],[28] 7.00% [24],[28] 7.00% [24],[28]  
Units (in shares) | shares 10,769 [22],[30] 10,769 [22],[30] 10,769 [22],[30] 10,769 [22],[30] 12,951,000 [24],[28] 12,951,000 [24],[28] 12,951,000 [24],[28] 12,951,000 [24],[28]  
Amortized Cost $ 13,912,000 [1],[2],[22],[30]       $ 13,662,000 [4],[7],[24],[28]        
Fair Value $ 14,126,000 [22],[30]       $ 13,887,000 [24],[28]        
Percentage of Net Assets [22],[30] [22],[30] [22],[30] [22],[30] 0.10% [24],[28] 0.10% [24],[28] 0.10% [24],[28] 0.10% [24],[28]  
Investment, Identifier [Axis]: Milan Laser Holdings LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [15] 5.00% [15] 5.00% [15] 5.00% [15]  
Investment Owned, Balance, Principal Amount $ 19,958,000 [11]       $ 20,010,000 [15]        
Amortized Cost 19,878,000 [1],[2],[11]       19,921,000 [4],[7],[15]        
Fair Value $ 19,858,000 [11]       $ 20,010,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.10% [15] 0.10% [15] 0.10% [15] 0.10% [15]  
Investment, Identifier [Axis]: Milan Laser Holdings LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (13,000) [13]       $ 0 [10]        
Investment, Identifier [Axis]: Minerva Holdco, Inc., Senior A Preferred Stock                  
Schedule of Investments [Line Items]                  
Interest, PIK 10.75% [22],[30] 10.75% [22],[30] 10.75% [22],[30] 10.75% [22],[30] 10.75% [24],[28] 10.75% [24],[28] 10.75% [24],[28] 10.75% [24],[28]  
Units (in shares) | shares 100,000 [22],[30] 100,000 [22],[30] 100,000 [22],[30] 100,000 [22],[30] 100,000,000 [24],[28] 100,000,000 [24],[28] 100,000,000 [24],[28] 100,000,000 [24],[28]  
Amortized Cost $ 138,560,000 [1],[2],[22],[30]       $ 134,843,000 [4],[7],[24],[28]        
Fair Value $ 135,419,000 [22],[30]       $ 131,874,000 [24],[28]        
Percentage of Net Assets [22],[30] [22],[30] [22],[30] [22],[30] 0.90% [24],[28] 0.90% [24],[28] 0.90% [24],[28] 0.90% [24],[28]  
Investment, Identifier [Axis]: Ministry Brands Holdings, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.50% [31] 5.50% [31] 5.50% [31] 5.50% [31] 5.50% [14],[34] 5.50% [14],[34] 5.50% [14],[34] 5.50% [14],[34]  
Investment Owned, Balance, Principal Amount $ 52,801,000 [31]       $ 52,937,000 [14],[34]        
Amortized Cost 52,169,000 [1],[2],[31]       52,269,000 [4],[7],[14],[34]        
Fair Value $ 52,405,000 [31]       $ 52,540,000 [14],[34]        
Percentage of Net Assets [31] [31] [31] [31] 0.40% [14],[34] 0.40% [14],[34] 0.40% [14],[34] 0.40% [14],[34]  
Investment, Identifier [Axis]: Ministry Brands Holdings, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (36,000) [13]       $ (36,000) [10]        
Investment, Identifier [Axis]: Minotaur Acquisition, Inc. (dba Inspira Financial), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Minotaur Acquisition, Inc. (dba Inspira Financial), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [31] 5.00% [31] 5.00% [31] 5.00% [31] 5.00% [14],[34] 5.00% [14],[34] 5.00% [14],[34] 5.00% [14],[34]  
Investment Owned, Balance, Principal Amount $ 292,044,000 [31]       $ 293,093,000 [14],[34]        
Amortized Cost 289,249,000 [1],[2],[31]       290,183,000 [4],[7],[14],[34]        
Fair Value $ 292,044,000 [31]       $ 291,628,000 [14],[34]        
Percentage of Net Assets [31] [31] [31] [31] 2.00% [14],[34] 2.00% [14],[34] 2.00% [14],[34] 2.00% [14],[34]  
Investment, Identifier [Axis]: Minotaur Acquisition, Inc. (dba Inspira Financial), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ (129,000) [10]        
Investment, Identifier [Axis]: Mitchell International, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35]  
Investment Owned, Balance, Principal Amount $ 91,863,000 [31],[32]       $ 82,094,000 [34],[35]        
Amortized Cost 91,454,000 [1],[2],[31],[32]       81,709,000 [4],[7],[34],[35]        
Fair Value $ 90,678,000 [31],[32]       $ 82,029,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.60% [34],[35] 0.60% [34],[35] 0.60% [34],[35] 0.60% [34],[35]  
Investment, Identifier [Axis]: Mitchell International, Inc., Second lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [31],[32] 5.25% [31],[32] 5.25% [31],[32] 5.25% [31],[32] 5.25% [34],[35] 5.25% [34],[35] 5.25% [34],[35] 5.25% [34],[35]  
Investment Owned, Balance, Principal Amount $ 32,700,000 [31],[32]       $ 32,700,000 [34],[35]        
Amortized Cost 32,548,000 [1],[2],[31],[32]       32,544,000 [4],[7],[34],[35]        
Fair Value $ 31,768,000 [31],[32]       $ 32,272,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.20% [34],[35] 0.20% [34],[35] 0.20% [34],[35] 0.20% [34],[35]  
Investment, Identifier [Axis]: Mitnick Corporate Purchaser, Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.00% [11],[12],[41] 3.00% [11],[12],[41] 3.00% [11],[12],[41] 3.00% [11],[12],[41] 3.00% [14],[42] 3.00% [14],[42] 3.00% [14],[42] 3.00% [14],[42]  
Investment Owned, Balance, Principal Amount $ 1,125,000 [11],[12],[41]       $ 1,700,000 [14],[42]        
Amortized Cost 1,130,000 [1],[2],[11],[12],[41]       1,705,000 [4],[7],[14],[42]        
Fair Value (328,000) [11],[12],[41]       1,044,000 [14],[42]        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [11],[12],[41] [11],[12],[41] [11],[12],[41] [11],[12],[41] 0.00% [14],[42] 0.00% [14],[42] 0.00% [14],[42] 0.00% [14],[42]  
Investment, Identifier [Axis]: Monotype Imaging Holdings Inc., First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Monotype Imaging Holdings Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.50% [12],[31] 5.50% [12],[31] 5.50% [12],[31] 5.50% [12],[31] 5.50% [14],[15] 5.50% [14],[15] 5.50% [14],[15] 5.50% [14],[15]  
Investment Owned, Balance, Principal Amount $ 170,317,000 [12],[31]       $ 170,754,000 [14],[15]        
Amortized Cost 169,141,000 [1],[2],[12],[31]       169,537,000 [4],[7],[14],[15]        
Fair Value $ 170,317,000 [12],[31]       $ 170,327,000 [14],[15]        
Percentage of Net Assets [12],[31] [12],[31] [12],[31] [12],[31] 1.20% [14],[15] 1.20% [14],[15] 1.20% [14],[15] 1.20% [14],[15]  
Investment, Identifier [Axis]: Monotype Imaging Holdings Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ (53,000) [10]        
Investment, Identifier [Axis]: Motus Group, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.75% [11],[32] 3.75% [11],[32] 3.75% [11],[32] 3.75% [11],[32] 4.00% [15],[35] 4.00% [15],[35] 4.00% [15],[35] 4.00% [15],[35]  
Investment Owned, Balance, Principal Amount $ 32,359,000 [11],[32]       $ 7,443,000 [15],[35]        
Amortized Cost 32,359,000 [1],[2],[11],[32]       7,443,000 [4],[7],[15],[35]        
Fair Value $ 32,159,000 [11],[32]       $ 7,498,000 [15],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.10% [15],[35] 0.10% [15],[35] 0.10% [15],[35] 0.10% [15],[35]  
Investment, Identifier [Axis]: NELIPAK EUROPEAN HOLDINGS COÖPERATIEF U.A., First lien senior secured EUR delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (291,000) [13]       $ (279,000) [10]        
Investment, Identifier [Axis]: NELIPAK EUROPEAN HOLDINGS COÖPERATIEF U.A., First lien senior secured EUR revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.50% [12],[58] 5.50% [12],[58] 5.50% [12],[58] 5.50% [12],[58] 5.50% [14],[59] 5.50% [14],[59] 5.50% [14],[59] 5.50% [14],[59]  
Investment Owned, Balance, Principal Amount | €   € 704 [12],[58]       € 56,931 [14],[59]      
Amortized Cost $ 761,000 [1],[2],[12],[58]       $ 60,760,000 [4],[7],[14],[59]        
Fair Value 673,000 [12],[58]       57,717,000 [14],[59]        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [12],[58] [12],[58] [12],[58] [12],[58] 0.40% [14],[59] 0.40% [14],[59] 0.40% [14],[59] 0.40% [14],[59]  
Investment, Identifier [Axis]: NELIPAK EUROPEAN HOLDINGS COÖPERATIEF U.A., First lien senior secured EUR term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [39] 5.50% 5.50% 5.50% 5.50%          
Investment Owned, Balance, Principal Amount | € [39]   € 55,496              
Amortized Cost [1],[2],[39] $ 59,291,000                
Fair Value [39] $ 58,748,000                
Percentage of Net Assets [39]          
Investment, Identifier [Axis]: NMI Acquisitionco, Inc. (dba Network Merchants), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [31] 5.00% [31] 5.00% [31] 5.00% [31] 5.00% [14],[34] 5.00% [14],[34] 5.00% [14],[34] 5.00% [14],[34]  
Investment Owned, Balance, Principal Amount $ 12,146,000 [31]       $ 12,178,000 [14],[34]        
Amortized Cost 12,110,000 [1],[2],[31]       12,137,000 [4],[7],[14],[34]        
Fair Value $ 12,146,000 [31]       $ 12,178,000 [14],[34]        
Percentage of Net Assets [31] [31] [31] [31] 0.10% [14],[34] 0.10% [14],[34] 0.10% [14],[34] 0.10% [14],[34]  
Investment, Identifier [Axis]: NMI Acquisitionco, Inc. (dba Network Merchants), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Natural Partners, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.50% [11],[23] 4.50% [11],[23] 4.50% [11],[23] 4.50% [11],[23] 4.50% [14],[15],[26] 4.50% [14],[15],[26] 4.50% [14],[15],[26] 4.50% [14],[15],[26]  
Investment Owned, Balance, Principal Amount $ 91,304,000 [11],[23]       $ 91,538,000 [14],[15],[26]        
Amortized Cost 90,279,000 [1],[2],[11],[23]       90,429,000 [4],[7],[14],[15],[26]        
Fair Value $ 91,304,000 [11],[23]       $ 91,081,000 [14],[15],[26]        
Percentage of Net Assets [11],[23] [11],[23] [11],[23] [11],[23] 0.60% [14],[15],[26] 0.60% [14],[15],[26] 0.60% [14],[15],[26] 0.60% [14],[15],[26]  
Investment, Identifier [Axis]: Natural Partners, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ (59,000) [10]        
Investment, Identifier [Axis]: Natus Medical Incorporated, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [34]         5.50% 5.50% 5.50% 5.50%  
Investment Owned, Balance, Principal Amount [34]         $ 490,000        
Amortized Cost [4],[7],[34]         465,000        
Fair Value [34]         $ 478,000        
Percentage of Net Assets [34]         0.00% 0.00% 0.00% 0.00%  
Investment, Identifier [Axis]: Nelipak Holding Company, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (147,000) [13]       $ (147,000) [10]        
Investment, Identifier [Axis]: Nelipak Holding Company, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.50% [11] 5.50% [11] 5.50% [11] 5.50% [11] 5.50% [14],[34] 5.50% [14],[34] 5.50% [14],[34] 5.50% [14],[34]  
Investment Owned, Balance, Principal Amount $ 30,306,000 [11]         € 34,077 [14],[34]      
Amortized Cost 29,899,000 [1],[2],[11]       $ 33,539,000 [4],[7],[14],[34]        
Fair Value $ 29,700,000 [11]       $ 33,294,000 [14],[34]        
Percentage of Net Assets [11] [11] [11] [11] 0.20% [14],[34] 0.20% [14],[34] 0.20% [14],[34] 0.20% [14],[34]  
Investment, Identifier [Axis]: Nelipak Holding Company, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [12],[31] 5.50% 5.50% 5.50% 5.50%          
Investment Owned, Balance, Principal Amount [12],[31] $ 4,398,000                
Amortized Cost [1],[2],[12],[31] 4,285,000                
Fair Value [12],[31] 4,222,000                
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [12],[31]          
Investment, Identifier [Axis]: Neptune Holdings, Inc. (dba NexTech), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.50% [11] 4.50% [11] 4.50% [11] 4.50% [11] 4.75% [15] 4.75% [15] 4.75% [15] 4.75% [15]  
Investment Owned, Balance, Principal Amount $ 30,496,000 [11]       $ 30,574,000 [15]        
Amortized Cost 30,350,000 [1],[2],[11]       30,422,000 [4],[7],[15]        
Fair Value $ 30,496,000 [11]       $ 30,574,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.20% [15] 0.20% [15] 0.20% [15] 0.20% [15]  
Investment, Identifier [Axis]: Neptune Holdings, Inc. (dba NexTech), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Non-controlled/affiliated - delayed draw debt commitments                  
Schedule of Investments [Line Items]                  
Fair Value [13]                
Investment, Identifier [Axis]: Non-controlled/affiliated - equity commitments                  
Schedule of Investments [Line Items]                  
Fair Value [13]                
Investment, Identifier [Axis]: Non-controlled/affiliated - revolving debt commitments                  
Schedule of Investments [Line Items]                  
Fair Value [13]                
Investment, Identifier [Axis]: Non-controlled/non-affiliated - revolving debt commitments                  
Schedule of Investments [Line Items]                  
Fair Value [13]                
Investment, Identifier [Axis]: Notorious Topco, LLC (dba Beauty Industry Group), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.75% [11] 4.75% [11] 4.75% [11] 4.75% [11] 7.25% [14],[15] 7.25% [14],[15] 7.25% [14],[15] 7.25% [14],[15]  
Interest, PIK 2.50% [11] 2.50% [11] 2.50% [11] 2.50% [11] 2.50% [14],[15] 2.50% [14],[15] 2.50% [14],[15] 2.50% [14],[15]  
Investment Owned, Balance, Principal Amount $ 230,859,000 [11]       $ 229,991,000 [14],[15]        
Amortized Cost 229,046,000 [1],[2],[11]       228,021,000 [4],[7],[14],[15]        
Fair Value $ 191,613,000 [11]       $ 204,692,000 [14],[15]        
Percentage of Net Assets [11] [11] [11] [11] 1.40% [14],[15] 1.40% [14],[15] 1.40% [14],[15] 1.40% [14],[15]  
Investment, Identifier [Axis]: Notorious Topco, LLC (dba Beauty Industry Group), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11],[12] 4.75% 4.75% 4.75% 4.75%          
Interest, PIK [11],[12] 2.50% 2.50% 2.50% 2.50%          
Investment Owned, Balance, Principal Amount [11],[12] $ 1,408,000                
Amortized Cost [1],[2],[11],[12] 1,378,000                
Fair Value [11],[12] 511,000                
Fair Value $ 0 [13]       $ (581,000) [10]        
Percentage of Net Assets [11],[12]          
Investment, Identifier [Axis]: Nouryon Finance B.V., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.25% [11],[23],[32] 3.25% [11],[23],[32] 3.25% [11],[23],[32] 3.25% [11],[23],[32] 3.25% [15],[26],[35] 3.25% [15],[26],[35] 3.25% [15],[26],[35] 3.25% [15],[26],[35]  
Investment Owned, Balance, Principal Amount $ 12,454,000 [11],[23],[32]       $ 12,605,000 [15],[26],[35]        
Amortized Cost 12,454,000 [1],[2],[11],[23],[32]       12,605,000 [4],[7],[15],[26],[35]        
Fair Value $ 12,408,000 [11],[23],[32]       $ 12,679,000 [15],[26],[35]        
Percentage of Net Assets [11],[23],[32] [11],[23],[32] [11],[23],[32] [11],[23],[32] 0.10% [15],[26],[35] 0.10% [15],[26],[35] 0.10% [15],[26],[35] 0.10% [15],[26],[35]  
Investment, Identifier [Axis]: Novaria Holdings, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.50% [31] 3.50% [31] 3.50% [31] 3.50% [31] 4.00% [34],[35] 4.00% [34],[35] 4.00% [34],[35] 4.00% [34],[35]  
Investment Owned, Balance, Principal Amount $ 16,915,000 [31]       $ 16,958,000 [34],[35]        
Amortized Cost 16,915,000 [1],[2],[31]       16,887,000 [4],[7],[34],[35]        
Fair Value $ 16,831,000 [31]       $ 17,042,000 [34],[35]        
Percentage of Net Assets [31] [31] [31] [31] 0.10% [34],[35] 0.10% [34],[35] 0.10% [34],[35] 0.10% [34],[35]  
Investment, Identifier [Axis]: OAC Holdings I Corp. (dba Omega Holdings), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [34] 5.00% [34] 5.00% [34] 5.00% [34]  
Investment Owned, Balance, Principal Amount $ 8,384,000 [11]       $ 8,958,000 [34]        
Amortized Cost 8,275,000 [1],[2],[11]       8,836,000 [4],[7],[34]        
Fair Value $ 8,321,000 [11]       $ 8,891,000 [34]        
Percentage of Net Assets [11] [11] [11] [11] 0.10% [34] 0.10% [34] 0.10% [34] 0.10% [34]  
Investment, Identifier [Axis]: OAC Holdings I Corp. (dba Omega Holdings), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11],[12] 5.00% 5.00% 5.00% 5.00%          
Investment Owned, Balance, Principal Amount [11],[12] $ 919,000                
Amortized Cost [1],[2],[11],[12] 893,000                
Fair Value [11],[12] 899,000                
Fair Value $ 0 [13]       $ (19,000) [10]        
Percentage of Net Assets [11],[12]          
Investment, Identifier [Axis]: OB Hospitalist Group, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [31] 5.25% [31] 5.25% [31] 5.25% [31] 5.25% [14],[34] 5.25% [14],[34] 5.25% [14],[34] 5.25% [14],[34]  
Investment Owned, Balance, Principal Amount $ 68,252,000 [31]       $ 68,429,000 [14],[34]        
Amortized Cost 67,508,000 [1],[2],[31]       67,616,000 [4],[7],[14],[34]        
Fair Value $ 68,252,000 [31]       $ 68,257,000 [14],[34]        
Percentage of Net Assets [31] [31] [31] [31] 0.50% [14],[34] 0.50% [14],[34] 0.50% [14],[34] 0.50% [14],[34]  
Investment, Identifier [Axis]: OB Hospitalist Group, Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ (20,000) [10]        
Investment, Identifier [Axis]: OCIC SLF LLC (fka Blue Owl Credit Income Senior Loan Fund LLC)                  
Schedule of Investments [Line Items]                  
Fair Value $ 292,255,000       $ 311,609,000       273,441,000
Investment, Identifier [Axis]: OCIC SLF LLC (fka Blue Owl Credit Income Senior Loan Fund LLC), LLC Interest                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 314,800 [21],[23],[30],[43] 314,800 [21],[23],[30],[43] 314,800 [21],[23],[30],[43] 314,800 [21],[23],[30],[43] 314,808,000 [25],[26],[28],[44] 314,808,000 [25],[26],[28],[44] 314,808,000 [25],[26],[28],[44] 314,808,000 [25],[26],[28],[44]  
Amortized Cost $ 314,808,000 [1],[2],[21],[23],[30],[43]       $ 314,808,000 [4],[7],[25],[26],[28],[44]        
Fair Value $ 292,255,000 [21],[23],[30],[43]       $ 311,609,000 [25],[26],[28],[44]        
Percentage of Net Assets [21],[23],[30],[43] [21],[23],[30],[43] [21],[23],[30],[43] [21],[23],[30],[43] 2.10% [25],[26],[28],[44] 2.10% [25],[26],[28],[44] 2.10% [25],[26],[28],[44] 2.10% [25],[26],[28],[44]  
Investment, Identifier [Axis]: Olaplex, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.50% [23],[31],[32] 3.50% [23],[31],[32] 3.50% [23],[31],[32] 3.50% [23],[31],[32] 3.50% [26],[34],[35] 3.50% [26],[34],[35] 3.50% [26],[34],[35] 3.50% [26],[34],[35]  
Investment Owned, Balance, Principal Amount $ 37,756,000 [23],[31],[32]       $ 37,853,000 [26],[34],[35]        
Amortized Cost 37,353,000 [1],[2],[23],[31],[32]       37,426,000 [4],[7],[26],[34],[35]        
Fair Value $ 33,414,000 [23],[31],[32]       $ 35,749,000 [26],[34],[35]        
Percentage of Net Assets [23],[31],[32] [23],[31],[32] [23],[31],[32] [23],[31],[32] 0.20% [26],[34],[35] 0.20% [26],[34],[35] 0.20% [26],[34],[35] 0.20% [26],[34],[35]  
Investment, Identifier [Axis]: Ole Smoky Distillery, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.50% [31] 5.50% [31] 5.50% [31] 5.50% [31] 5.50% [14],[34] 5.50% [14],[34] 5.50% [14],[34] 5.50% [14],[34]  
Investment Owned, Balance, Principal Amount $ 30,091,000 [31]       $ 30,167,000 [14],[34]        
Amortized Cost 29,734,000 [1],[2],[31]       29,786,000 [4],[7],[14],[34]        
Fair Value $ 29,865,000 [31]       $ 29,941,000 [14],[34]        
Percentage of Net Assets [31] [31] [31] [31] 0.20% [14],[34] 0.20% [14],[34] 0.20% [14],[34] 0.20% [14],[34]  
Investment, Identifier [Axis]: Ole Smoky Distillery, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (25,000) [13]       $ (25,000) [10]        
Investment, Identifier [Axis]: OneDigital Borrower LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.00% [31],[32] 3.00% [31],[32] 3.00% [31],[32] 3.00% [31],[32] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35]  
Investment Owned, Balance, Principal Amount $ 54,170,000 [31],[32]       $ 74,307,000 [34],[35]        
Amortized Cost 54,170,000 [1],[2],[31],[32]       74,068,000 [4],[7],[34],[35]        
Fair Value $ 53,764,000 [31],[32]       $ 74,403,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.50% [34],[35] 0.50% [34],[35] 0.50% [34],[35] 0.50% [34],[35]  
Investment, Identifier [Axis]: OneDigital Borrower LLC, Second lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [31],[32] 5.25% [31],[32] 5.25% [31],[32] 5.25% [31],[32] 5.25% [34],[35] 5.25% [34],[35] 5.25% [34],[35] 5.25% [34],[35]  
Investment Owned, Balance, Principal Amount $ 33,800,000 [31],[32]       $ 33,800,000 [34],[35]        
Amortized Cost 33,642,000 [1],[2],[31],[32]       33,639,000 [4],[7],[34],[35]        
Fair Value $ 33,716,000 [31],[32]       $ 33,611,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.20% [34],[35] 0.20% [34],[35] 0.20% [34],[35] 0.20% [34],[35]  
Investment, Identifier [Axis]: OneOncology, LLC, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [11],[12] 5.00% [11],[12] 5.00% [11],[12] 5.00% [11],[12] 5.00% [14],[15] 5.00% [14],[15] 5.00% [14],[15] 5.00% [14],[15]  
Investment Owned, Balance, Principal Amount $ 97,920,000 [11],[12]       $ 89,226,000 [14],[15]        
Amortized Cost 97,192,000 [1],[2],[11],[12]       88,508,000 [4],[7],[14],[15]        
Fair Value $ 97,920,000 [11],[12]       88,468,000 [14],[15]        
Fair Value [10]         $ 0        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 0.60% [14],[15] 0.60% [14],[15] 0.60% [14],[15] 0.60% [14],[15]  
Investment, Identifier [Axis]: OneOncology, LLC, First lien senior secured delayed draw term loan 1                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ 0                
Investment, Identifier [Axis]: OneOncology, LLC, First lien senior secured delayed draw term loan 2                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ (303,000)                
Investment, Identifier [Axis]: OneOncology, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.75% [11] 4.75% [11] 4.75% [11] 4.75% [11] 6.25% [14],[15] 6.25% [14],[15] 6.25% [14],[15] 6.25% [14],[15]  
Investment Owned, Balance, Principal Amount $ 104,770,000 [11]       $ 97,074,000 [14],[15]        
Amortized Cost 104,529,000 [1],[2],[11]       95,768,000 [4],[7],[14],[15]        
Fair Value $ 104,247,000 [11]       $ 97,074,000 [14],[15]        
Percentage of Net Assets [11] [11] [11] [11] 0.70% [14],[15] 0.70% [14],[15] 0.70% [14],[15] 0.70% [14],[15]  
Investment, Identifier [Axis]: OneOncology, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (206,000) [13]       $ 0 [10]        
Investment, Identifier [Axis]: Opal US LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [23],[31] 3.50% 3.50% 3.50% 3.50%          
Investment Owned, Balance, Principal Amount [23],[31] $ 42,500,000                
Amortized Cost [1],[2],[23],[31] 42,288,000                
Fair Value [23],[31] $ 42,288,000                
Percentage of Net Assets [23],[31]          
Investment, Identifier [Axis]: Orange Blossom Parent, Inc., Common Units                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 16,667 [16],[30] 16,667 [16],[30] 16,667 [16],[30] 16,667 [16],[30] 16,667,000 [27],[28] 16,667,000 [27],[28] 16,667,000 [27],[28] 16,667,000 [27],[28]  
Amortized Cost $ 1,667,000 [1],[2],[16],[30]       $ 1,667,000 [4],[7],[27],[28]        
Fair Value $ 1,664,000 [16],[30]       $ 1,664,000 [27],[28]        
Percentage of Net Assets [16],[30] [16],[30] [16],[30] [16],[30] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28]  
Investment, Identifier [Axis]: Oranje Holdco, Inc. (dba KnowBe4), First lien senior secured loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 7.75% [11] 7.75% [11] 7.75% [11] 7.75% [11] 7.75% [15] 7.75% [15] 7.75% [15] 7.75% [15]  
Investment Owned, Balance, Principal Amount $ 81,182,000 [11]       $ 81,182,000 [15]        
Amortized Cost 80,306,000 [1],[2],[11]       80,262,000 [4],[7],[15]        
Fair Value $ 81,182,000 [11]       $ 81,182,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.60% [15] 0.60% [15] 0.60% [15] 0.60% [15]  
Investment, Identifier [Axis]: Oranje Holdco, Inc. (dba KnowBe4), First lien senior secured loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 7.25% [11] 7.25% [11] 7.25% [11] 7.25% [11] 7.25% [15] 7.25% [15] 7.25% [15] 7.25% [15]  
Investment Owned, Balance, Principal Amount $ 34,017,000 [11]       $ 34,017,000 [15]        
Amortized Cost 33,730,000 [1],[2],[11]       33,715,000 [4],[7],[15]        
Fair Value $ 33,762,000 [11]       $ 33,762,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.20% [15] 0.20% [15] 0.20% [15] 0.20% [15]  
Investment, Identifier [Axis]: Oranje Holdco, Inc. (dba KnowBe4), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Osmose Utilities Services, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35]  
Investment Owned, Balance, Principal Amount $ 4,791,000 [31],[32]       $ 4,803,000 [34],[35]        
Amortized Cost 4,752,000 [1],[2],[31],[32]       4,761,000 [4],[7],[34],[35]        
Fair Value $ 4,721,000 [31],[32]       $ 4,806,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.00% [34],[35] 0.00% [34],[35] 0.00% [34],[35] 0.00% [34],[35]  
Investment, Identifier [Axis]: PCF Holdco, LLC (dba PCF Insurance Services), Class A Units                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 6,047,390 [16],[30] 6,047,390 [16],[30] 6,047,390 [16],[30] 6,047,390 [16],[30] 6,047,390,000 [27],[28] 6,047,390,000 [27],[28] 6,047,390,000 [27],[28] 6,047,390,000 [27],[28]  
Amortized Cost $ 15,336,000 [1],[2],[16],[30]       $ 15,336,000 [4],[7],[27],[28]        
Fair Value $ 26,338,000 [16],[30]       $ 28,252,000 [27],[28]        
Percentage of Net Assets [16],[30] [16],[30] [16],[30] [16],[30] 0.20% [27],[28] 0.20% [27],[28] 0.20% [27],[28] 0.20% [27],[28]  
Investment, Identifier [Axis]: PCF Holdco, LLC (dba PCF Insurance Services), Preferred equity                  
Schedule of Investments [Line Items]                  
Interest, PIK 15.00% [22],[30] 15.00% [22],[30] 15.00% [22],[30] 15.00% [22],[30] 15.00% [24],[28] 15.00% [24],[28] 15.00% [24],[28] 15.00% [24],[28]  
Units (in shares) | shares 25,866 [22],[30] 25,866 [22],[30] 25,866 [22],[30] 25,866 [22],[30] 24,943,000 [24],[28] 24,943,000 [24],[28] 24,943,000 [24],[28] 24,943,000 [24],[28]  
Amortized Cost $ 18,902,000 [1],[2],[22],[30]       $ 17,979,000 [4],[7],[24],[28]        
Fair Value $ 25,413,000 [22],[30]       $ 22,262,000 [24],[28]        
Percentage of Net Assets [22],[30] [22],[30] [22],[30] [22],[30] 0.20% [24],[28] 0.20% [24],[28] 0.20% [24],[28] 0.20% [24],[28]  
Investment, Identifier [Axis]: PCF Holdco, LLC (dba PCF Insurance Services), Warrants                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 1,503,286 [16],[30] 1,503,286 [16],[30] 1,503,286 [16],[30] 1,503,286 [16],[30] 1,503,286,000 [27],[28] 1,503,286,000 [27],[28] 1,503,286,000 [27],[28] 1,503,286,000 [27],[28]  
Amortized Cost $ 5,129,000 [1],[2],[16],[30]       $ 5,129,000 [4],[7],[27],[28]        
Fair Value $ 4,283,000 [16],[30]       $ 4,744,000 [27],[28]        
Percentage of Net Assets [16],[30] [16],[30] [16],[30] [16],[30] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28]  
Investment, Identifier [Axis]: PCF Midco II, LLC (dba PCF Insurance Services), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Interest, PIK 9.00% [22] 9.00% [22] 9.00% [22] 9.00% [22] 9.00% [24] 9.00% [24] 9.00% [24] 9.00% [24]  
Investment Owned, Balance, Principal Amount $ 60,337,000 [22]       $ 59,009,000 [24]        
Amortized Cost 57,113,000 [1],[2],[22]       55,702,000 [4],[7],[24]        
Fair Value $ 60,035,000 [22]       $ 56,206,000 [24]        
Percentage of Net Assets [22] [22] [22] [22] 0.40% [24] 0.40% [24] 0.40% [24] 0.40% [24]  
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [14],[15],[29]         5.50% 5.50% 5.50% 5.50%  
Investment Owned, Balance, Principal Amount | € [14],[15],[29]           € 8,328      
Amortized Cost [4],[7],[14],[15],[29]         $ 8,125,000        
Fair Value [14],[15],[29]         8,211,000        
Fair Value $ (66,000) [13]       $ 0 [10]        
Percentage of Net Assets [14],[15],[29]         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.50% [11],[12] 5.50% [11],[12] 5.50% [11],[12] 5.50% [11],[12] 5.00% [15] 5.00% [15] 5.00% [15] 5.00% [15]  
Investment Owned, Balance, Principal Amount $ 73,227,000 [11],[12]       $ 64,206,000 [15]        
Amortized Cost 72,227,000 [1],[2],[11],[12]       63,371,000 [4],[7],[15]        
Fair Value $ 72,437,000 [11],[12]       $ 63,564,000 [15]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 0.40% [15] 0.40% [15] 0.40% [15] 0.40% [15]  
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ (66,000) [10]        
Investment, Identifier [Axis]: POLARIS PURCHASER, INC. (dba Plusgrade), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [15],[26]         4.00% 4.00% 4.00% 4.00%  
Investment Owned, Balance, Principal Amount [15],[26]         $ 25,863,000        
Amortized Cost [4],[7],[15],[26]         25,863,000        
Fair Value [15],[26]         $ 25,992,000        
Percentage of Net Assets [15],[26]         0.20% 0.20% 0.20% 0.20%  
Investment, Identifier [Axis]: PPI Holding US INC. (dba Nuvei), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [23],[31],[32] 3.00% 3.00% 3.00% 3.00%          
Investment Owned, Balance, Principal Amount [23],[31],[32] $ 20,000,000                
Amortized Cost [1],[2],[23],[31],[32] 19,954,000                
Fair Value [23],[31],[32] $ 19,844,000                
Percentage of Net Assets [23],[31],[32]          
Investment, Identifier [Axis]: PPI Holding US Inc. (dba Nuvei), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [26],[34],[35]         3.00% 3.00% 3.00% 3.00%  
Investment Owned, Balance, Principal Amount [26],[34],[35]         $ 20,000,000        
Amortized Cost [4],[7],[26],[34],[35]         19,950,000        
Fair Value [26],[34],[35]         $ 20,018,000        
Percentage of Net Assets [26],[34],[35]         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: PPT Holdings III, LLC (dba Park Place Technologies), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Interest, PIK 12.75% [22] 12.75% [22] 12.75% [22] 12.75% [22] 12.75% [24] 12.75% [24] 12.75% [24] 12.75% [24]  
Investment Owned, Balance, Principal Amount $ 31,295,000 [22]       $ 30,329,000 [24]        
Amortized Cost 30,645,000 [1],[2],[22]       29,669,000 [4],[7],[24]        
Fair Value $ 31,139,000 [22]       $ 29,950,000 [24]        
Percentage of Net Assets [22] [22] [22] [22] 0.20% [24] 0.20% [24] 0.20% [24] 0.20% [24]  
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.00% [11] 6.00% [11] 6.00% [11] 6.00% [11] 6.00% [15] 6.00% [15] 6.00% [15] 6.00% [15]  
Investment Owned, Balance, Principal Amount $ 10,022,000 [11]       $ 10,047,000 [15]        
Amortized Cost 9,941,000 [1],[2],[11]       9,962,000 [4],[7],[15]        
Fair Value $ 10,022,000 [11]       $ 10,047,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.10% [15] 0.10% [15] 0.10% [15] 0.10% [15]  
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.75% [11] 5.75% [11] 5.75% [11] 5.75% [11] 5.75% [15] 5.75% [15] 5.75% [15] 5.75% [15]  
Investment Owned, Balance, Principal Amount $ 162,171,000 [11]       $ 162,580,000 [15]        
Amortized Cost 159,876,000 [1],[2],[11]       160,174,000 [4],[7],[15]        
Fair Value $ 162,171,000 [11]       $ 162,580,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 1.10% [15] 1.10% [15] 1.10% [15] 1.10% [15]  
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: PUSHPAY USA INC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [15]         4.50% 4.50% 4.50% 4.50%  
Investment Owned, Balance, Principal Amount [15]         $ 15,000,000        
Amortized Cost [4],[7],[15]         14,856,000        
Fair Value [15]         $ 15,075,000        
Percentage of Net Assets [15]         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Pacific BidCo Inc., First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [23],[36] 5.75% 5.75% 5.75% 5.75%          
Investment Owned, Balance, Principal Amount [23],[36] $ 17,905,000                
Amortized Cost [1],[2],[23],[36] 17,577,000                
Fair Value [23],[36] $ 17,547,000                
Percentage of Net Assets [23],[36]          
Investment, Identifier [Axis]: Pacific BidCo Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [14],[26],[42]         6.00% 6.00% 6.00% 6.00%  
Interest, PIK 6.00% [23],[36] 6.00% [23],[36] 6.00% [23],[36] 6.00% [23],[36] 2.05% [14],[26],[42] 2.05% [14],[26],[42] 2.05% [14],[26],[42] 2.05% [14],[26],[42]  
Investment Owned, Balance, Principal Amount $ 169,769,000 [23],[36]       $ 187,673,000 [14],[26],[42]        
Amortized Cost 166,926,000 [1],[2],[23],[36]       184,357,000 [4],[7],[14],[26],[42]        
Fair Value $ 166,373,000 [23],[36]       $ 182,982,000 [14],[26],[42]        
Percentage of Net Assets [23],[36] [23],[36] [23],[36] [23],[36] 1.30% [14],[26],[42] 1.30% [14],[26],[42] 1.30% [14],[26],[42] 1.30% [14],[26],[42]  
Investment, Identifier [Axis]: Packaging Coordinators Midco, Inc., First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ (1,778,000)                
Investment, Identifier [Axis]: Packaging Coordinators Midco, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.75% [11] 4.75% [11] 4.75% [11] 4.75% [11] 3.25% [15],[35] 3.25% [15],[35] 3.25% [15],[35] 3.25% [15],[35]  
Investment Owned, Balance, Principal Amount $ 446,206,000 [11]         € 61,905 [15],[35]      
Amortized Cost 440,194,000 [1],[2],[11]       $ 61,905,000 [4],[7],[15],[35]        
Fair Value $ 440,071,000 [11]       $ 62,121,000 [15],[35]        
Percentage of Net Assets [11] [11] [11] [11] 0.40% [15],[35] 0.40% [15],[35] 0.40% [15],[35] 0.40% [15],[35]  
Investment, Identifier [Axis]: Packaging Coordinators Midco, Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ (618,000)                
Investment, Identifier [Axis]: Par Technology Corporation, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [26],[34]         5.00% 5.00% 5.00% 5.00%  
Investment Owned, Balance, Principal Amount [26],[34]         $ 1,286,000        
Amortized Cost [4],[7],[26],[34]         1,267,000        
Fair Value [26],[34]         $ 1,273,000        
Percentage of Net Assets [26],[34]         0.00% 0.00% 0.00% 0.00%  
Investment, Identifier [Axis]: Paradigmatic Holdco LLC (dba Pluralsight), Common stock                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 396,827 [16],[18],[30] 396,827 [16],[18],[30] 396,827 [16],[18],[30] 396,827 [16],[18],[30] 396,827,000 [27],[28],[57] 396,827,000 [27],[28],[57] 396,827,000 [27],[28],[57] 396,827,000 [27],[28],[57]  
Amortized Cost $ 1,053,000 [1],[2],[16],[18],[30]       $ 1,053,000 [4],[7],[27],[28],[57]        
Fair Value $ 1,053,000 [16],[18],[30]       $ 1,053,000 [27],[28],[57]        
Percentage of Net Assets [16],[18],[30] [16],[18],[30] [16],[18],[30] [16],[18],[30] 0.00% [27],[28],[57] 0.00% [27],[28],[57] 0.00% [27],[28],[57] 0.00% [27],[28],[57]  
Investment, Identifier [Axis]: Paris US Holdco, Inc. (dba Precinmac), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (90,000) [13]       $ (90,000) [10]        
Investment, Identifier [Axis]: Paris US Holdco, Inc. (dba Precinmac), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [31] 5.00% [31] 5.00% [31] 5.00% [31] 5.00% [34] 5.00% [34] 5.00% [34] 5.00% [34]  
Investment Owned, Balance, Principal Amount $ 69,995,000 [31]       $ 69,995,000 [34]        
Amortized Cost 69,321,000 [1],[2],[31]       69,301,000 [4],[7],[34]        
Fair Value $ 69,295,000 [31]       $ 69,295,000 [34]        
Percentage of Net Assets [31] [31] [31] [31] 0.50% [34] 0.50% [34] 0.50% [34] 0.50% [34]  
Investment, Identifier [Axis]: Paris US Holdco, Inc. (dba Precinmac), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [12],[60] 4.00% 4.00% 4.00% 4.00%          
Investment Owned, Balance, Principal Amount [12],[60] $ 90,000                
Amortized Cost [1],[2],[12],[60] 4,000                
Fair Value [12],[60] 0                
Fair Value $ 0 [13]       $ (90,000) [10]        
Percentage of Net Assets [12],[60]          
Investment, Identifier [Axis]: Park Place Technologies, LLC, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [12],[31] 5.25% 5.25% 5.25% 5.25%          
Investment Owned, Balance, Principal Amount [12],[31] $ 6,930,000                
Amortized Cost [1],[2],[12],[31] 6,838,000                
Fair Value [12],[31] 6,895,000                
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [12],[31]          
Investment, Identifier [Axis]: Park Place Technologies, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [11] 5.25% [11] 5.25% [11] 5.25% [11] 5.25% [34] 5.25% [34] 5.25% [34] 5.25% [34]  
Investment Owned, Balance, Principal Amount $ 85,745,000 [11]       $ 85,961,000 [34]        
Amortized Cost 84,980,000 [1],[2],[11]       85,170,000 [4],[7],[34]        
Fair Value $ 85,316,000 [11]       $ 85,531,000 [34]        
Percentage of Net Assets [11] [11] [11] [11] 0.60% [34] 0.60% [34] 0.60% [34] 0.60% [34]  
Investment, Identifier [Axis]: Park Place Technologies, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [12],[31] 5.25% [12],[31] 5.25% [12],[31] 5.25% [12],[31] 5.25% [14],[34] 5.25% [14],[34] 5.25% [14],[34] 5.25% [14],[34]  
Investment Owned, Balance, Principal Amount $ 2,361,000 [12],[31]       $ 2,900,000 [14],[34]        
Amortized Cost 2,277,000 [1],[2],[12],[31]       2,812,000 [4],[7],[14],[34]        
Fair Value 2,310,000 [12],[31]       2,850,000 [14],[34]        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [12],[31] [12],[31] [12],[31] [12],[31] 0.00% [14],[34] 0.00% [14],[34] 0.00% [14],[34] 0.00% [14],[34]  
Investment, Identifier [Axis]: Patriot Acquisition TopCo S.A.R.L (dba Corza Health, Inc.), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Patriot Acquisition TopCo S.A.R.L (dba Corza Health, Inc.), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [11],[12],[23] 5.25% [11],[12],[23] 5.25% [11],[12],[23] 5.25% [11],[12],[23] 5.25% [14],[15],[26] 5.25% [14],[15],[26] 5.25% [14],[15],[26] 5.25% [14],[15],[26]  
Investment Owned, Balance, Principal Amount $ 54,118,000 [11],[12],[23]         € 54,203 [14],[15],[26]      
Amortized Cost 53,615,000 [1],[2],[11],[12],[23]       $ 53,658,000 [4],[7],[14],[15],[26]        
Fair Value $ 54,118,000 [11],[12],[23]       $ 54,203,000 [14],[15],[26]        
Percentage of Net Assets [11],[12],[23] [11],[12],[23] [11],[12],[23] [11],[12],[23] 0.40% [14],[15],[26] 0.40% [14],[15],[26] 0.40% [14],[15],[26] 0.40% [14],[15],[26]  
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]                  
Investment, Basis Spread, Variable Rate [12],[23],[31] 5.25% 5.25% 5.25% 5.25%          
Investment Owned, Balance, Principal Amount [12],[23],[31] $ 47,000                
Amortized Cost [1],[2],[12],[23],[31] 47,000                
Fair Value [12],[23],[31] 47,000                
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [12],[23],[31]          
Investment, Identifier [Axis]: Patriot Holdings SCSp (dba Corza Health, Inc.), Class A Units                  
Schedule of Investments [Line Items]                  
Interest, PIK 8.00% [22],[23],[30] 8.00% [22],[23],[30] 8.00% [22],[23],[30] 8.00% [22],[23],[30] 8.00% 8.00% 8.00% 8.00%  
Units (in shares) | shares 1,251 [22],[23],[30] 1,251 [22],[23],[30] 1,251 [22],[23],[30] 1,251 [22],[23],[30] 1,251,000 [24],[26],[28] 1,251,000 [24],[26],[28] 1,251,000 [24],[26],[28] 1,251,000 [24],[26],[28]  
Amortized Cost $ 1,577,000 [1],[2],[22],[23],[30]       $ 1,547,000 [4],[7],[24],[26],[28]        
Fair Value $ 1,569,000 [22],[23],[30]       $ 1,539,000 [24],[26],[28]        
Percentage of Net Assets [22],[23],[30] [22],[23],[30] [22],[23],[30] [22],[23],[30] 0.00% [24],[26],[28] 0.00% [24],[26],[28] 0.00% [24],[26],[28] 0.00% [24],[26],[28]  
Investment, Identifier [Axis]: Patriot Holdings SCSp (dba Corza Health, Inc.), Class B Units                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 17,221 [16],[23],[30] 17,221 [16],[23],[30] 17,221 [16],[23],[30] 17,221 [16],[23],[30] 17,221,000 [26],[27],[28] 17,221,000 [26],[27],[28] 17,221,000 [26],[27],[28] 17,221,000 [26],[27],[28]  
Amortized Cost $ 180,000 [1],[2],[16],[23],[30]       $ 180,000 [4],[7],[26],[27],[28]        
Fair Value $ 68,000 [16],[23],[30]       $ 71,000 [26],[27],[28]        
Percentage of Net Assets [16],[23],[30] [16],[23],[30] [16],[23],[30] [16],[23],[30] 0.00% [26],[27],[28] 0.00% [26],[27],[28] 0.00% [26],[27],[28] 0.00% [26],[27],[28]  
Investment, Identifier [Axis]: Pediatric Associates Holding Company, LLC, First lien senior secured loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.25% [11],[32] 3.25% [11],[32] 3.25% [11],[32] 3.25% [11],[32] 3.25% [15],[35] 3.25% [15],[35] 3.25% [15],[35] 3.25% [15],[35]  
Investment Owned, Balance, Principal Amount $ 32,144,000 [11],[32]       $ 32,227,000 [15],[35]        
Amortized Cost 31,244,000 [1],[2],[11],[32]       31,275,000 [4],[7],[15],[35]        
Fair Value $ 29,872,000 [11],[32]       $ 31,277,000 [15],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.20% [15],[35] 0.20% [15],[35] 0.20% [15],[35] 0.20% [15],[35]  
Investment, Identifier [Axis]: Pediatric Associates Holding Company, LLC, First lien senior secured loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.50% [11] 4.50% [11] 4.50% [11] 4.50% [11] 4.50% [15] 4.50% [15] 4.50% [15] 4.50% [15]  
Investment Owned, Balance, Principal Amount $ 27,347,000 [11]       $ 27,417,000 [15]        
Amortized Cost 26,478,000 [1],[2],[11]       26,498,000 [4],[7],[15]        
Fair Value $ 26,253,000 [11]       $ 27,417,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.20% [15] 0.20% [15] 0.20% [15] 0.20% [15]  
Investment, Identifier [Axis]: Pegasus BidCo B.V., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [15],[26],[35]         3.25% 3.25% 3.25% 3.25%  
Investment Owned, Balance, Principal Amount [15],[26],[35]         $ 13,486,000        
Amortized Cost [4],[7],[15],[26],[35]         13,486,000        
Fair Value [15],[26],[35]         $ 13,596,000        
Percentage of Net Assets [15],[26],[35]         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Peraton Corp., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.75% [31],[32] 3.75% [31],[32] 3.75% [31],[32] 3.75% [31],[32] 3.75% [34],[35] 3.75% [34],[35] 3.75% [34],[35] 3.75% [34],[35]  
Investment Owned, Balance, Principal Amount $ 51,136,000 [31],[32]       $ 51,272,000 [34],[35]        
Amortized Cost 51,165,000 [1],[2],[31],[32]       51,303,000 [4],[7],[34],[35]        
Fair Value $ 45,424,000 [31],[32]       $ 47,606,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.30% [34],[35] 0.30% [34],[35] 0.30% [34],[35] 0.30% [34],[35]  
Investment, Identifier [Axis]: Peraton Corp., Second lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 7.75% [11],[32] 7.75% [11],[32] 7.75% [11],[32] 7.75% [11],[32] 7.75% [15],[35] 7.75% [15],[35] 7.75% [15],[35] 7.75% [15],[35]  
Investment Owned, Balance, Principal Amount $ 4,831,000 [11],[32]       $ 4,831,000 [15],[35]        
Amortized Cost 4,791,000 [1],[2],[11],[32]       4,787,000 [4],[7],[15],[35]        
Fair Value $ 3,597,000 [11],[32]       $ 3,894,000 [15],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.00% [15],[35] 0.00% [15],[35] 0.00% [15],[35] 0.00% [15],[35]  
Investment, Identifier [Axis]: Perforce Software, Inc., First lien senior secured loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.75% [31],[32] 4.75% [31],[32] 4.75% [31],[32] 4.75% [31],[32] 4.75% [34],[35] 4.75% [34],[35] 4.75% [34],[35] 4.75% [34],[35]  
Investment Owned, Balance, Principal Amount $ 4,963,000 [31],[32]           £ 4,975 [34],[35]    
Amortized Cost 4,940,000 [1],[2],[31],[32]       $ 4,952,000 [4],[7],[34],[35]        
Fair Value $ 4,634,000 [31],[32]       $ 4,903,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.00% [34],[35] 0.00% [34],[35] 0.00% [34],[35] 0.00% [34],[35]  
Investment, Identifier [Axis]: Perforce Software, Inc., First lien senior secured loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.75% [31],[32] 4.75% [31],[32] 4.75% [31],[32] 4.75% [31],[32] 4.75% [34] 4.75% [34] 4.75% [34] 4.75% [34]  
Investment Owned, Balance, Principal Amount $ 14,626,000 [31],[32]       $ 14,663,000 [34]        
Amortized Cost 14,417,000 [1],[2],[31],[32]       14,443,000 [4],[7],[34]        
Fair Value $ 13,916,000 [31],[32]       $ 14,443,000 [34]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.10% [34] 0.10% [34] 0.10% [34] 0.10% [34]  
Investment, Identifier [Axis]: PerkinElmer U.S. LLC, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value [10]         $ 0        
Investment, Identifier [Axis]: PerkinElmer U.S. LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [31] 5.00% [31] 5.00% [31] 5.00% [31] 5.00% [14],[34] 5.00% [14],[34] 5.00% [14],[34] 5.00% [14],[34]  
Investment Owned, Balance, Principal Amount $ 167,938,000 [31]       $ 161,204,000 [14],[34]        
Amortized Cost 167,597,000 [1],[2],[31]       160,898,000 [4],[7],[14],[34]        
Fair Value $ 166,678,000 [31]       $ 160,801,000 [14],[34]        
Percentage of Net Assets [31] [31] [31] [31] 1.10% [14],[34] 1.10% [14],[34] 1.10% [14],[34] 1.10% [14],[34]  
Investment, Identifier [Axis]: PetVet Care Centers, LLC, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (1,426,000) [13]       $ (1,030,000) [10]        
Investment, Identifier [Axis]: PetVet Care Centers, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.00% [31] 6.00% [31] 6.00% [31] 6.00% [31] 6.00% [34] 6.00% [34] 6.00% [34] 6.00% [34]  
Investment Owned, Balance, Principal Amount $ 239,928,000 [31]       $ 240,536,000 [34]        
Amortized Cost 237,877,000 [1],[2],[31]       238,412,000 [4],[7],[34]        
Fair Value $ 226,732,000 [31]       $ 230,313,000 [34]        
Percentage of Net Assets [31] [31] [31] [31] 1.60% [34] 1.60% [34] 1.60% [34] 1.60% [34]  
Investment, Identifier [Axis]: PetVet Care Centers, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (1,829,000) [13]       $ (1,413,000) [10]        
Investment, Identifier [Axis]: Peter C. Foy & Associates Insurance Services, LLC (dba PCF Insurance Services), First lien senior secured loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.50% [31] 5.50% [31] 5.50% [31] 5.50% [31] 5.50% [14],[15] 5.50% [14],[15] 5.50% [14],[15] 5.50% [14],[15]  
Investment Owned, Balance, Principal Amount $ 154,647,000 [31]       $ 155,045,000 [14],[15]        
Amortized Cost 154,647,000 [1],[2],[31]       155,045,000 [4],[7],[14],[15]        
Fair Value $ 154,647,000 [31]       $ 155,045,000 [14],[15]        
Percentage of Net Assets [31] [31] [31] [31] 1.10% [14],[15] 1.10% [14],[15] 1.10% [14],[15] 1.10% [14],[15]  
Investment, Identifier [Axis]: Peter C. Foy & Associates Insurance Services, LLC (dba PCF Insurance Services), First lien senior secured loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.50% [11] 5.50% [11] 5.50% [11] 5.50% [11] 5.50% [34] 5.50% [34] 5.50% [34] 5.50% [34]  
Investment Owned, Balance, Principal Amount $ 27,883,000 [11]       $ 27,965,000 [34]        
Amortized Cost 27,883,000 [1],[2],[11]       27,965,000 [4],[7],[34]        
Fair Value $ 27,883,000 [11]       $ 27,965,000 [34]        
Percentage of Net Assets [11] [11] [11] [11] 0.20% [34] 0.20% [34] 0.20% [34] 0.20% [34]  
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]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Phantom Purchaser, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [15] 5.00% [15] 5.00% [15] 5.00% [15]  
Investment Owned, Balance, Principal Amount $ 89,196,000 [11]       $ 89,419,000 [15]        
Amortized Cost 88,356,000 [1],[2],[11]       88,552,000 [4],[7],[15]        
Fair Value $ 88,973,000 [11]       $ 88,749,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.60% [15] 0.60% [15] 0.60% [15] 0.60% [15]  
Investment, Identifier [Axis]: Phantom Purchaser, Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (29,000) [13]       $ (86,000) [10]        
Investment, Identifier [Axis]: Phoenix Newco, Inc. (dba Parexel), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [34],[35]         3.00% 3.00% 3.00% 3.00%  
Investment Owned, Balance, Principal Amount [34],[35]         $ 41,338,000        
Amortized Cost [4],[7],[34],[35]         41,338,000        
Fair Value [34],[35]         $ 41,577,000        
Percentage of Net Assets [34],[35]         0.30% 0.30% 0.30% 0.30%  
Investment, Identifier [Axis]: Physician Partners, LLC, First lien senior secured loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.00% [11] 6.00% [11] 6.00% [11] 6.00% [11] 5.50% [15] 5.50% [15] 5.50% [15] 5.50% [15]  
Investment Owned, Balance, Principal Amount $ 177,659,000 [11]       $ 123,750,000 [15]        
Amortized Cost 167,966,000 [1],[2],[11]       118,360,000 [4],[7],[15]        
Fair Value $ 168,776,000 [11]       $ 86,625,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.60% [15] 0.60% [15] 0.60% [15] 0.60% [15]  
Investment, Identifier [Axis]: Physician Partners, LLC, First lien senior secured loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.00% [11] 4.00% [11] 4.00% [11] 4.00% [11] 4.00% [15] 4.00% [15] 4.00% [15] 4.00% [15]  
Investment Owned, Balance, Principal Amount $ 17,766,000 [11]       $ 27,034,000 [15]        
Amortized Cost 10,921,000 [1],[2],[11]       26,329,000 [4],[7],[15]        
Fair Value $ 10,660,000 [11]       $ 17,978,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.10% [15] 0.10% [15] 0.10% [15] 0.10% [15]  
Investment, Identifier [Axis]: Physician Partners, LLC, First lien senior secured loan 3                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11] 5.50% 5.50% 5.50% 5.50%          
Investment Owned, Balance, Principal Amount [11] $ 81,327,000                
Amortized Cost [1],[2],[11] 53,553,000                
Fair Value [11] $ 52,456,000                
Percentage of Net Assets [11]          
Investment, Identifier [Axis]: Ping Identity Holding Corp., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.75% [11] 4.75% [11] 4.75% [11] 4.75% [11] 4.75% [15] 4.75% [15] 4.75% [15] 4.75% [15]  
Investment Owned, Balance, Principal Amount $ 65,644,000 [11]       $ 65,809,000 [15]        
Amortized Cost 65,536,000 [1],[2],[11]       65,695,000 [4],[7],[15]        
Fair Value $ 65,644,000 [11]       $ 65,809,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.50% [15] 0.50% [15] 0.50% [15] 0.50% [15]  
Investment, Identifier [Axis]: Ping Identity Holding Corp., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Plano HoldCo, Inc. (dba Perficient), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.50% [11] 3.50% [11] 3.50% [11] 3.50% [11] 3.50% [15] 3.50% [15] 3.50% [15] 3.50% [15]  
Investment Owned, Balance, Principal Amount $ 25,000,000 [11]       $ 25,000,000 [15]        
Amortized Cost 24,884,000 [1],[2],[11]       24,881,000 [4],[7],[15]        
Fair Value $ 24,875,000 [11]       $ 25,188,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.20% [15] 0.20% [15] 0.20% [15] 0.20% [15]  
Investment, Identifier [Axis]: Plasma Buyer LLC (dba PathGroup), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.25% [11] 6.25% [11] 6.25% [11] 6.25% [11] 6.25% [14],[15],[29] 6.25% [14],[15],[29] 6.25% [14],[15],[29] 6.25% [14],[15],[29]  
Investment Owned, Balance, Principal Amount $ 4,057,000 [11]       $ 3,247,000 [14],[15],[29]        
Amortized Cost 3,996,000 [1],[2],[11]       3,191,000 [4],[7],[14],[15],[29]        
Fair Value $ 3,986,000 [11]       3,204,000 [14],[15],[29]        
Fair Value [10]         $ 0        
Percentage of Net Assets [11] [11] [11] [11] 0.00% [14],[15],[29] 0.00% [14],[15],[29] 0.00% [14],[15],[29] 0.00% [14],[15],[29]  
Investment, Identifier [Axis]: Plasma Buyer LLC (dba PathGroup), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.75% [11] 5.75% [11] 5.75% [11] 5.75% [11] 5.75% [15] 5.75% [15] 5.75% [15] 5.75% [15]  
Investment Owned, Balance, Principal Amount $ 107,379,000 [11]       $ 107,654,000 [15]        
Amortized Cost 105,944,000 [1],[2],[11]       106,146,000 [4],[7],[15]        
Fair Value $ 105,500,000 [11]       $ 106,308,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.70% [15] 0.70% [15] 0.70% [15] 0.70% [15]  
Investment, Identifier [Axis]: Plasma Buyer LLC (dba PathGroup), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.75% [11],[12] 5.75% [11],[12] 5.75% [11],[12] 5.75% [11],[12] 5.75% [14],[15] 5.75% [14],[15] 5.75% [14],[15] 5.75% [14],[15]  
Investment Owned, Balance, Principal Amount $ 10,116,000 [11],[12]       $ 6,853,000 [14],[15]        
Amortized Cost 9,989,000 [1],[2],[11],[12]       6,716,000 [4],[7],[14],[15]        
Fair Value 9,903,000 [11],[12]       6,700,000 [14],[15]        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 0.00% [14],[15] 0.00% [14],[15] 0.00% [14],[15] 0.00% [14],[15]  
Investment, Identifier [Axis]: Pluralsight, LLC                  
Schedule of Investments [Line Items]                  
Fair Value $ 3,520,000       $ 3,477,000       $ 0
Investment, Identifier [Axis]: Pluralsight, LLC, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Pluralsight, LLC, First lien senior secured loan 1                  
Schedule of Investments [Line Items]                  
Interest, PIK 7.50% [11],[18] 7.50% [11],[18] 7.50% [11],[18] 7.50% [11],[18] 7.50% [15],[57] 7.50% [15],[57] 7.50% [15],[57] 7.50% [15],[57]  
Investment Owned, Balance, Principal Amount [15],[57]         $ 1,229,000        
Units (in shares) | shares [11],[18] 1,267,000 1,267,000 1,267,000 1,267,000          
Amortized Cost $ 1,267,000 [1],[2],[11],[16],[18]       1,229,000 [4],[7],[15],[57]        
Fair Value $ 1,267,000 [11],[18]       $ 1,229,000 [15],[57]        
Percentage of Net Assets [11],[18] [11],[18] [11],[18] [11],[18] 0.00% [15],[57] 0.00% [15],[57] 0.00% [15],[57] 0.00% [15],[57]  
Investment, Identifier [Axis]: Pluralsight, LLC, First lien senior secured loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.00% [11],[18] 3.00% [11],[18] 3.00% [11],[18] 3.00% [11],[18] 4.50% [14],[15],[57] 4.50% [14],[15],[57] 4.50% [14],[15],[57] 4.50% [14],[15],[57]  
Interest, PIK 1.50% [11],[18] 1.50% [11],[18] 1.50% [11],[18] 1.50% [11],[18] 1.50% [14],[15],[57] 1.50% [14],[15],[57] 1.50% [14],[15],[57] 1.50% [14],[15],[57]  
Investment Owned, Balance, Principal Amount [14],[15],[57]         $ 1,195,000        
Units (in shares) | shares [11],[18] 1,200,000 1,200,000 1,200,000 1,200,000          
Amortized Cost $ 1,200,000 [1],[2],[11],[16],[18]       1,195,000 [4],[7],[14],[15],[57]        
Fair Value $ 1,200,000 [11],[18]       $ 1,195,000 [14],[15],[57]        
Percentage of Net Assets [11],[18] [11],[18] [11],[18] [11],[18] 0.00% [14],[15],[57] 0.00% [14],[15],[57] 0.00% [14],[15],[57] 0.00% [14],[15],[57]  
Investment, Identifier [Axis]: Pluralsight, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Plusgrade Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11],[23] 3.50% 3.50% 3.50% 3.50%          
Investment Owned, Balance, Principal Amount [11],[23] $ 24,357,000                
Amortized Cost [1],[2],[11],[23] 24,357,000                
Fair Value [11],[23] $ 24,296,000                
Percentage of Net Assets [11],[23]          
Investment, Identifier [Axis]: PointClickCare Technologies, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.25% [11],[23],[32] 3.25% [11],[23],[32] 3.25% [11],[23],[32] 3.25% [11],[23],[32] 3.25% [15],[26],[35] 3.25% [15],[26],[35] 3.25% [15],[26],[35] 3.25% [15],[26],[35]  
Investment Owned, Balance, Principal Amount $ 51,870,000 [11],[23],[32]       $ 52,000,000 [15],[26],[35]        
Amortized Cost 51,740,000 [1],[2],[11],[23],[32]       51,870,000 [4],[7],[15],[26],[35]        
Fair Value $ 51,709,000 [11],[23],[32]       $ 52,260,000 [15],[26],[35]        
Percentage of Net Assets [11],[23],[32] [11],[23],[32] [11],[23],[32] [11],[23],[32] 0.40% [15],[26],[35] 0.40% [15],[26],[35] 0.40% [15],[26],[35] 0.40% [15],[26],[35]  
Investment, Identifier [Axis]: Power Stop, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.75% [31],[32] 4.75% [31],[32] 4.75% [31],[32] 4.75% [31],[32] 4.75% [15] 4.75% [15] 4.75% [15] 4.75% [15]  
Investment Owned, Balance, Principal Amount $ 29,094,000 [31],[32]       $ 29,170,000 [15]        
Amortized Cost 28,914,000 [1],[2],[31],[32]       28,980,000 [4],[7],[15]        
Fair Value $ 26,822,000 [31],[32]       $ 27,639,000 [15]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.20% [15] 0.20% [15] 0.20% [15] 0.20% [15]  
Investment, Identifier [Axis]: Pregis Topco LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [31],[32] 4.00% 4.00% 4.00% 4.00%          
Investment Owned, Balance, Principal Amount [31],[32] $ 16,695,000                
Amortized Cost [1],[2],[31],[32] 16,594,000                
Fair Value [31],[32] $ 16,680,000                
Percentage of Net Assets [31],[32]          
Investment, Identifier [Axis]: Pregis Topco LLC, First lien senior secured loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [34],[35]         4.00% 4.00% 4.00% 4.00%  
Investment Owned, Balance, Principal Amount [34],[35]         $ 16,739,000        
Amortized Cost [4],[7],[34],[35]         16,620,000        
Fair Value [34],[35]         $ 16,823,000        
Percentage of Net Assets [34],[35]         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Pregis Topco LLC, Second lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [34]         7.75% 7.75% 7.75% 7.75%  
Investment Owned, Balance, Principal Amount [34]         $ 2,500,000        
Amortized Cost [4],[7],[34]         2,500,000        
Fair Value [34]         $ 2,500,000        
Percentage of Net Assets [34]         0.00% 0.00% 0.00% 0.00%  
Investment, Identifier [Axis]: Pregis Topco LLC, Second lien senior secured loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [31] 7.75% 7.75% 7.75% 7.75%          
Investment Owned, Balance, Principal Amount [31] $ 2,500,000                
Amortized Cost [1],[2],[31] 2,500,000                
Fair Value [31] $ 2,500,000                
Percentage of Net Assets [31]          
Investment, Identifier [Axis]: Pregis Topco LLC, Second lien senior secured loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.75% [31] 6.75% [31] 6.75% [31] 6.75% [31] 6.75% [34] 6.75% [34] 6.75% [34] 6.75% [34]  
Investment Owned, Balance, Principal Amount $ 30,000,000 [31]       $ 30,000,000 [34]        
Amortized Cost 30,000,000 [1],[2],[31]       30,000,000 [4],[7],[34]        
Fair Value $ 30,000,000 [31]       $ 30,000,000 [34]        
Percentage of Net Assets [31] [31] [31] [31] 0.20% [34] 0.20% [34] 0.20% [34] 0.20% [34]  
Investment, Identifier [Axis]: Premise Health Holding Corp., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.50% [11] 5.50% [11] 5.50% [11] 5.50% [11] 5.50% [15] 5.50% [15] 5.50% [15] 5.50% [15]  
Investment Owned, Balance, Principal Amount $ 69,953,000 [11]       $ 70,129,000 [15]        
Amortized Cost 69,023,000 [1],[2],[11]       69,168,000 [4],[7],[15]        
Fair Value $ 69,778,000 [11]       $ 69,954,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.50% [15] 0.50% [15] 0.50% [15] 0.50% [15]  
Investment, Identifier [Axis]: Premise Health Holding Corp., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (20,000) [13]       $ (20,000) [10]        
Investment, Identifier [Axis]: Pretzel Parent, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.50% [31],[32] 4.50% [31],[32] 4.50% [31],[32] 4.50% [31],[32] 4.50% [34],[35] 4.50% [34],[35] 4.50% [34],[35] 4.50% [34],[35]  
Investment Owned, Balance, Principal Amount $ 37,500,000 [31],[32]       $ 37,500,000 [34],[35]        
Amortized Cost 36,974,000 [1],[2],[31],[32]       36,959,000 [4],[7],[34],[35]        
Fair Value $ 37,455,000 [31],[32]       $ 37,736,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.30% [34],[35] 0.30% [34],[35] 0.30% [34],[35] 0.30% [34],[35]  
Investment, Identifier [Axis]: Pro Mach Group, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 2.75% [31],[32] 2.75% [31],[32] 2.75% [31],[32] 2.75% [31],[32] 3.50% [34],[35] 3.50% [34],[35] 3.50% [34],[35] 3.50% [34],[35]  
Investment Owned, Balance, Principal Amount $ 68,777,000 [31],[32]       $ 68,777,000 [34],[35]        
Amortized Cost 68,777,000 [1],[2],[31],[32]       68,777,000 [4],[7],[34],[35]        
Fair Value $ 68,550,000 [31],[32]       $ 69,279,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.50% [34],[35] 0.50% [34],[35] 0.50% [34],[35] 0.50% [34],[35]  
Investment, Identifier [Axis]: ProAmpac PG Borrower LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.00% [11],[32] 4.00% [11],[32] 4.00% [11],[32] 4.00% [11],[32] 4.00% [15],[35] 4.00% [15],[35] 4.00% [15],[35] 4.00% [15],[35]  
Investment Owned, Balance, Principal Amount $ 52,001,000 [11],[32]       $ 39,117,000 [15],[35]        
Amortized Cost 52,003,000 [1],[2],[11],[32]       39,117,000 [4],[7],[15],[35]        
Fair Value $ 51,611,000 [11],[32]       $ 39,195,000 [15],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.30% [15],[35] 0.30% [15],[35] 0.30% [15],[35] 0.30% [15],[35]  
Investment, Identifier [Axis]: Project Alpha Intermediate Holding, Inc. (dba Qlik), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.25% [11],[32] 3.25% [11],[32] 3.25% [11],[32] 3.25% [11],[32] 3.25% [15],[35] 3.25% [15],[35] 3.25% [15],[35] 3.25% [15],[35]  
Investment Owned, Balance, Principal Amount $ 24,626,000 [11],[32]       $ 24,626,000 [15],[35]        
Amortized Cost 24,568,000 [1],[2],[11],[32]       24,562,000 [4],[7],[15],[35]        
Fair Value $ 24,555,000 [11],[32]       $ 24,768,000 [15],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.20% [15],[35] 0.20% [15],[35] 0.20% [15],[35] 0.20% [15],[35]  
Investment, Identifier [Axis]: Project Alpine Co-Invest Fund, LP, LP Interest                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 17,000 [16],[23],[30] 17,000 [16],[23],[30] 17,000 [16],[23],[30] 17,000 [16],[23],[30] 17,000,000 [26],[27],[28] 17,000,000 [26],[27],[28] 17,000,000 [26],[27],[28] 17,000,000 [26],[27],[28]  
Amortized Cost $ 17,012,000 [1],[2],[16],[23],[30]       $ 17,012,000 [4],[7],[26],[27],[28]        
Fair Value $ 22,325,000 [16],[23],[30]       $ 22,325,000 [26],[27],[28]        
Percentage of Net Assets [16],[23],[30] [16],[23],[30] [16],[23],[30] [16],[23],[30] 0.20% [26],[27],[28] 0.20% [26],[27],[28] 0.20% [26],[27],[28] 0.20% [26],[27],[28]  
Investment, Identifier [Axis]: Project Boost Purchaser, LLC (dba J.D. Power), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.00% [11],[32] 3.00% [11],[32] 3.00% [11],[32] 3.00% [11],[32] 3.50% [34],[35] 3.50% [34],[35] 3.50% [34],[35] 3.50% [34],[35]  
Investment Owned, Balance, Principal Amount $ 43,641,000 [11],[32]       $ 23,750,000 [34],[35]        
Amortized Cost 43,616,000 [1],[2],[11],[32]       23,750,000 [4],[7],[34],[35]        
Fair Value $ 43,361,000 [11],[32]       $ 23,890,000 [34],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.20% [34],[35] 0.20% [34],[35] 0.20% [34],[35] 0.20% [34],[35]  
Investment, Identifier [Axis]: Project Boost Purchaser, LLC (dba J.D. Power), Second lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [11],[32] 5.25% [11],[32] 5.25% [11],[32] 5.25% [11],[32] 5.25% [15],[35] 5.25% [15],[35] 5.25% [15],[35] 5.25% [15],[35]  
Investment Owned, Balance, Principal Amount $ 11,250,000 [11],[32]       $ 11,250,000 [15],[35]        
Amortized Cost 11,197,000 [1],[2],[11],[32]       11,196,000 [4],[7],[15],[35]        
Fair Value $ 11,237,000 [11],[32]       $ 11,462,000 [15],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.10% [15],[35] 0.10% [15],[35] 0.10% [15],[35] 0.10% [15],[35]  
Investment, Identifier [Axis]: Project Hotel California Co-Invest Fund, L.P., LP Interest                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 3,522 [16],[23],[30],[32] 3,522 [16],[23],[30],[32] 3,522 [16],[23],[30],[32] 3,522 [16],[23],[30],[32] 3,522,000 [26],[27],[28] 3,522,000 [26],[27],[28] 3,522,000 [26],[27],[28] 3,522,000 [26],[27],[28]  
Amortized Cost $ 3,507,000 [1],[2],[16],[23],[30],[32]       $ 3,525,000 [4],[7],[26],[27],[28]        
Fair Value $ 4,874,000 [16],[23],[30],[32]       $ 4,056,000 [26],[27],[28]        
Percentage of Net Assets [16],[23],[30],[32] [16],[23],[30],[32] [16],[23],[30],[32] [16],[23],[30],[32] 0.00% [26],[27],[28] 0.00% [26],[27],[28] 0.00% [26],[27],[28] 0.00% [26],[27],[28]  
Investment, Identifier [Axis]: Project Ruby Ultimate Parent Corp. (dba Wellsky), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.00% [31],[32] 3.00% [31],[32] 3.00% [31],[32] 3.00% [31],[32] 3.00% [34],[35] 3.00% [34],[35] 3.00% [34],[35] 3.00% [34],[35]  
Investment Owned, Balance, Principal Amount $ 73,254,000 [31],[32]       $ 91,938,000 [34],[35]        
Amortized Cost 73,254,000 [1],[2],[31],[32]       91,938,000 [4],[7],[34],[35]        
Fair Value $ 72,961,000 [31],[32]       $ 92,260,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.60% [34],[35] 0.60% [34],[35] 0.60% [34],[35] 0.60% [34],[35]  
Investment, Identifier [Axis]: Proofpoint, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.00% [31],[32] 3.00% [31],[32] 3.00% [31],[32] 3.00% [31],[32] 3.00% [34],[35] 3.00% [34],[35] 3.00% [34],[35] 3.00% [34],[35]  
Investment Owned, Balance, Principal Amount $ 54,068,000 [31],[32]       $ 64,197,000 [34],[35]        
Amortized Cost 54,004,000 [1],[2],[31],[32]       64,197,000 [4],[7],[34],[35]        
Fair Value $ 53,846,000 [31],[32]       $ 64,460,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.40% [34],[35] 0.40% [34],[35] 0.40% [34],[35] 0.40% [34],[35]  
Investment, Identifier [Axis]: Puma Buyer, LLC (dba PANTHERx), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11] 4.50% 4.50% 4.50% 4.50%          
Investment Owned, Balance, Principal Amount [11] $ 130,344,000                
Amortized Cost [1],[2],[11] 129,368,000                
Fair Value [11] $ 129,367,000                
Percentage of Net Assets [11]          
Investment, Identifier [Axis]: Puma Buyer, LLC (dba PANTHERx), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ (158,000)                
Investment, Identifier [Axis]: Pushpay USA Inc, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11],[23] 4.00% 4.00% 4.00% 4.00%          
Investment Owned, Balance, Principal Amount [11],[23] $ 14,963,000                
Amortized Cost [1],[2],[11],[23] 14,963,000                
Fair Value [11],[23] $ 14,963,000                
Percentage of Net Assets [11],[23]          
Investment, Identifier [Axis]: Pye-Barker Fire & Safety, LLC, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Pye-Barker Fire & Safety, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.50% [11],[12] 4.50% [11],[12] 4.50% [11],[12] 4.50% [11],[12] 4.50% [14],[15] 4.50% [14],[15] 4.50% [14],[15] 4.50% [14],[15]  
Investment Owned, Balance, Principal Amount $ 239,017,000 [11],[12]       $ 231,569,000 [14],[15]        
Amortized Cost 237,759,000 [1],[2],[11],[12]       230,305,000 [4],[7],[14],[15]        
Fair Value $ 238,420,000 [11],[12]       $ 230,990,000 [14],[15]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 1.60% [14],[15] 1.60% [14],[15] 1.60% [14],[15] 1.60% [14],[15]  
Investment, Identifier [Axis]: Pye-Barker Fire & Safety, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.50% [11],[12] 4.50% [11],[12] 4.50% [11],[12] 4.50% [11],[12] 4.50% [14],[15] 4.50% [14],[15] 4.50% [14],[15] 4.50% [14],[15]  
Investment Owned, Balance, Principal Amount $ 4,213,000 [11],[12]       $ 4,213,000 [14],[15]        
Amortized Cost 4,068,000 [1],[2],[11],[12]       4,061,000 [4],[7],[14],[15]        
Fair Value 4,128,000 [11],[12]       4,128,000 [14],[15]        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 0.00% [14],[15] 0.00% [14],[15] 0.00% [14],[15] 0.00% [14],[15]  
Investment, Identifier [Axis]: QAD, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.75% [31] 4.75% [31] 4.75% [31] 4.75% [31] 4.75% [34] 4.75% [34] 4.75% [34] 4.75% [34]  
Investment Owned, Balance, Principal Amount $ 46,168,000 [31]       $ 46,287,000 [34]        
Amortized Cost 46,168,000 [1],[2],[31]       46,287,000 [4],[7],[34]        
Fair Value $ 46,053,000 [31]       $ 46,172,000 [34]        
Percentage of Net Assets [31] [31] [31] [31] 0.30% [34] 0.30% [34] 0.30% [34] 0.30% [34]  
Investment, Identifier [Axis]: QAD, Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (15,000) [13]       $ (15,000) [10]        
Investment, Identifier [Axis]: Quva Pharma, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [14],[42]         5.50% 5.50% 5.50% 5.50%  
Investment Owned, Balance, Principal Amount [14],[42]         $ 5,906,000        
Amortized Cost [4],[7],[14],[42]         5,806,000        
Fair Value [14],[42]         $ 5,846,000        
Percentage of Net Assets [14],[42]         0.00% 0.00% 0.00% 0.00%  
Investment, Identifier [Axis]: Quva Pharma, Inc., First lien senior secured loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [36] 5.50% 5.50% 5.50% 5.50%          
Investment Owned, Balance, Principal Amount [36] $ 5,890,000                
Amortized Cost [1],[2],[36] 5,797,000                
Fair Value [36] $ 5,860,000                
Percentage of Net Assets [36]          
Investment, Identifier [Axis]: Quva Pharma, Inc., First lien senior secured loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11] 5.50% 5.50% 5.50% 5.50%          
Investment Owned, Balance, Principal Amount [11] $ 909,000                
Amortized Cost [1],[2],[11] 893,000                
Fair Value [11] $ 905,000                
Percentage of Net Assets [11]          
Investment, Identifier [Axis]: Quva Pharma, Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.50% [36] 5.50% [36] 5.50% [36] 5.50% [36] 5.50% [14],[42] 5.50% [14],[42] 5.50% [14],[42] 5.50% [14],[42]  
Investment Owned, Balance, Principal Amount $ 455,000 [36]       $ 382,000 [14],[42]        
Amortized Cost 452,000 [1],[2],[36]       378,000 [4],[7],[14],[42]        
Fair Value 452,000 [36]       377,000 [14],[42]        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [36] [36] [36] [36] 0.00% [14],[42] 0.00% [14],[42] 0.00% [14],[42] 0.00% [14],[42]  
Investment, Identifier [Axis]: RL Datix Holdings (USA), Inc., First lien senior secured GBP term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [38] 5.25% [38] 5.25% [38] 5.25% [38] 5.50% [37] 5.50% [37] 5.50% [37] 5.50% [37]  
Investment Owned, Balance, Principal Amount | £     £ 30,608 [38]       £ 30,608 [37]    
Amortized Cost $ 37,885,000 [1],[2],[38]       $ 37,875,000 [4],[7],[37]        
Fair Value $ 39,210,000 [38]       $ 38,141,000 [37]        
Percentage of Net Assets [38] [38] [38] [38] 0.30% [37] 0.30% [37] 0.30% [37] 0.30% [37]  
Investment, Identifier [Axis]: RL Datix Holdings (USA), Inc., First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: RL Datix Holdings (USA), Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [36] 5.25% [36] 5.25% [36] 5.25% [36] 5.50% [42] 5.50% [42] 5.50% [42] 5.50% [42]  
Investment Owned, Balance, Principal Amount $ 66,094,000 [36]       $ 66,094,000 [42]        
Amortized Cost 65,499,000 [1],[2],[36]       65,481,000 [4],[7],[42]        
Fair Value $ 65,598,000 [36]       $ 65,763,000 [42]        
Percentage of Net Assets [36] [36] [36] [36] 0.50% [42] 0.50% [42] 0.50% [42] 0.50% [42]  
Investment, Identifier [Axis]: RL Datix Holdings (USA), Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [14],[15]         5.50% 5.50% 5.50% 5.50%  
Investment Owned, Balance, Principal Amount [14],[15]         $ 1,650,000        
Amortized Cost [4],[7],[14],[15]         1,533,000        
Fair Value [14],[15]         1,584,000        
Fair Value $ (98,000) [13]       $ 0 [10]        
Percentage of Net Assets [14],[15]         0.00% 0.00% 0.00% 0.00%  
Investment, Identifier [Axis]: Raven Acquisition Holdings, LLC (dba R1 RCM), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (45,000) [13]       $ 0 [10]        
Investment, Identifier [Axis]: Raven Acquisition Holdings, LLC (dba R1 RCM), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35]  
Investment Owned, Balance, Principal Amount $ 79,333,000 [31],[32]       $ 79,333,000 [34],[35]        
Amortized Cost 78,990,000 [1],[2],[31],[32]       78,945,000 [4],[7],[34],[35]        
Fair Value $ 78,310,000 [31],[32]       $ 79,460,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.50% [34],[35] 0.50% [34],[35] 0.50% [34],[35] 0.50% [34],[35]  
Investment, Identifier [Axis]: RealPage, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [15],[35]         3.00% 3.00% 3.00% 3.00%  
Investment Owned, Balance, Principal Amount [15],[35]         $ 13,915,000        
Amortized Cost [4],[7],[15],[35]         13,905,000        
Fair Value [15],[35]         $ 13,875,000        
Percentage of Net Assets [15],[35]         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: RealPage, Inc., First lien senior secured loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.00% [11],[32] 3.00% [11],[32] 3.00% [11],[32] 3.00% [11],[32] 3.75% [15],[35] 3.75% [15],[35] 3.75% [15],[35] 3.75% [15],[35]  
Investment Owned, Balance, Principal Amount $ 38,815,000 [11],[32]       $ 18,250,000 [15],[35]        
Amortized Cost 38,663,000 [1],[2],[11],[32]       18,159,000 [4],[7],[15],[35]        
Fair Value $ 38,256,000 [11],[32]       $ 18,296,000 [15],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.10% [15],[35] 0.10% [15],[35] 0.10% [15],[35] 0.10% [15],[35]  
Investment, Identifier [Axis]: RealPage, Inc., First lien senior secured loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11],[32] 3.75% 3.75% 3.75% 3.75%          
Investment Owned, Balance, Principal Amount [11],[32] $ 18,250,000                
Amortized Cost [1],[2],[11],[32] 18,159,000                
Fair Value [11],[32] $ 18,230,000                
Percentage of Net Assets [11],[32]          
Investment, Identifier [Axis]: Relativity ODA LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.49% [31] 4.49% [31] 4.49% [31] 4.49% [31] 4.50% [34] 4.50% [34] 4.50% [34] 4.50% [34]  
Investment Owned, Balance, Principal Amount $ 32,738,000 [31]       $ 32,738,000 [34]        
Amortized Cost 32,620,000 [1],[2],[31]       32,614,000 [4],[7],[34]        
Fair Value $ 32,656,000 [31]       $ 32,656,000 [34]        
Percentage of Net Assets [31] [31] [31] [31] 0.20% [34] 0.20% [34] 0.20% [34] 0.20% [34]  
Investment, Identifier [Axis]: Relativity ODA LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (7,000) [13]       $ (7,000) [10]        
Investment, Identifier [Axis]: Renaissance Learning, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.00% [31],[32] 4.00% [31],[32] 4.00% [31],[32] 4.00% [31],[32] 4.00% [34],[35] 4.00% [34],[35] 4.00% [34],[35] 4.00% [34],[35]  
Investment Owned, Balance, Principal Amount $ 50,996,000 [31],[32]       $ 31,126,000 [34],[35]        
Amortized Cost 50,606,000 [1],[2],[31],[32]       31,126,000 [4],[7],[34],[35]        
Fair Value $ 49,971,000 [31],[32]       $ 31,026,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.20% [34],[35] 0.20% [34],[35] 0.20% [34],[35] 0.20% [34],[35]  
Investment, Identifier [Axis]: Resonetics, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.25% [11],[32] 3.25% [11],[32] 3.25% [11],[32] 3.25% [11],[32] 3.25% [15],[35] 3.25% [15],[35] 3.25% [15],[35] 3.25% [15],[35]  
Investment Owned, Balance, Principal Amount $ 74,625,000 [11],[32]         € 74,813 [15],[35]      
Amortized Cost 74,625,000 [1],[2],[11],[32]       $ 74,813,000 [4],[7],[15],[35]        
Fair Value $ 74,125,000 [11],[32]       $ 75,209,000 [15],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.50% [15],[35] 0.50% [15],[35] 0.50% [15],[35] 0.50% [15],[35]  
Investment, Identifier [Axis]: Rhea Acquisition Holdings, LP, Series A-2 Units                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 11,964,286 [16],[30] 11,964,286 [16],[30] 11,964,286 [16],[30] 11,964,286 [16],[30] 11,964,286,000 [27],[28] 11,964,286,000 [27],[28] 11,964,286,000 [27],[28] 11,964,286,000 [27],[28]  
Amortized Cost $ 11,964,000 [1],[2],[16],[30]       $ 11,964,000 [4],[7],[27],[28]        
Fair Value $ 14,493,000 [16],[30]       $ 14,493,000 [27],[28]        
Percentage of Net Assets [16],[30] [16],[30] [16],[30] [16],[30] 0.10% [27],[28] 0.10% [27],[28] 0.10% [27],[28] 0.10% [27],[28]  
Investment, Identifier [Axis]: Rhea Parent, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.75% [11] 4.75% [11] 4.75% [11] 4.75% [11] 4.75% [15] 4.75% [15] 4.75% [15] 4.75% [15]  
Investment Owned, Balance, Principal Amount $ 202,800,000 [11]         € 251,638 [15]      
Amortized Cost 202,233,000 [1],[2],[11]       $ 250,910,000 [4],[7],[15]        
Fair Value $ 202,293,000 [11]       $ 250,858,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 1.70% [15] 1.70% [15] 1.70% [15] 1.70% [15]  
Investment, Identifier [Axis]: Rhea Parent, Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (54,000) [13]       $ (433,000) [10]        
Investment, Identifier [Axis]: Rocket BidCo, Inc. (dba Recochem), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.75% [11],[23] 5.75% [11],[23] 5.75% [11],[23] 5.75% [11],[23] 5.75% [15],[26] 5.75% [15],[26] 5.75% [15],[26] 5.75% [15],[26]  
Investment Owned, Balance, Principal Amount $ 351,494,000 [11],[23]       $ 352,375,000 [15],[26]        
Amortized Cost 345,106,000 [1],[2],[11],[23]       345,760,000 [4],[7],[15],[26]        
Fair Value $ 351,494,000 [11],[23]       $ 348,851,000 [15],[26]        
Percentage of Net Assets [11],[23] [11],[23] [11],[23] [11],[23] 2.40% [15],[26] 2.40% [15],[26] 2.40% [15],[26] 2.40% [15],[26]  
Investment, Identifier [Axis]: Romulus Intermediate Holdings 1 Inc. (dba PetVet Care Centers), Series A Preferred Stock                  
Schedule of Investments [Line Items]                  
Interest, PIK 15.00% [22],[30] 15.00% [22],[30] 15.00% [22],[30] 15.00% [22],[30] 15.00% 15.00% 15.00% 15.00%  
Units (in shares) | shares 27,355 [22],[30] 27,355 [22],[30] 27,355 [22],[30] 27,355 [22],[30] 27,355,000 [24],[28] 27,355,000 [24],[28] 27,355,000 [24],[28] 27,355,000 [24],[28]  
Amortized Cost $ 32,435,000 [1],[2],[22],[30]       $ 31,238,000 [4],[7],[24],[28]        
Fair Value $ 30,158,000 [22],[30]       $ 29,397,000 [24],[28]        
Percentage of Net Assets [22],[30] [22],[30] [22],[30] [22],[30] 0.20% [24],[28] 0.20% [24],[28] 0.20% [24],[28] 0.20% [24],[28]  
Investment, Identifier [Axis]: Rushmore Investment III LLC (dba Winland Foods), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [14],[15] 5.00% [14],[15] 5.00% [14],[15] 5.00% [14],[15]  
Investment Owned, Balance, Principal Amount $ 510,746,000 [11]       $ 512,036,000 [14],[15]        
Amortized Cost 506,139,000 [1],[2],[11]       507,281,000 [4],[7],[14],[15]        
Fair Value $ 510,746,000 [11]       $ 512,037,000 [14],[15]        
Percentage of Net Assets [11] [11] [11] [11] 3.50% [14],[15] 3.50% [14],[15] 3.50% [14],[15] 3.50% [14],[15]  
Investment, Identifier [Axis]: STS PARENT, LLC (dba STS Aviation Group), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ (94,000) [10]        
Investment, Identifier [Axis]: STS PARENT, LLC (dba STS Aviation Group), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [34] 5.00% [34] 5.00% [34] 5.00% [34]  
Investment Owned, Balance, Principal Amount $ 135,180,000 [11]       $ 135,180,000 [34]        
Amortized Cost 134,547,000 [1],[2],[11]       134,526,000 [4],[7],[34]        
Fair Value $ 134,504,000 [11]       $ 134,504,000 [34]        
Percentage of Net Assets [11] [11] [11] [11] 0.90% [34] 0.90% [34] 0.90% [34] 0.90% [34]  
Investment, Identifier [Axis]: STS PARENT, LLC (dba STS Aviation Group), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [11],[12] 5.00% [11],[12] 5.00% [11],[12] 5.00% [11],[12] 5.00% [14],[34] 5.00% [14],[34] 5.00% [14],[34] 5.00% [14],[34]  
Investment Owned, Balance, Principal Amount $ 8,824,000 [11],[12]       $ 6,947,000 [14],[34]        
Amortized Cost 8,749,000 [1],[2],[11],[12]       6,872,000 [4],[7],[14],[34]        
Fair Value 8,749,000 [11],[12]       6,872,000 [14],[34]        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 0.00% [14],[34] 0.00% [14],[34] 0.00% [14],[34] 0.00% [14],[34]  
Investment, Identifier [Axis]: SWK BUYER, Inc. (dba Stonewall Kitchen), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [11] 5.25% [11] 5.25% [11] 5.25% [11] 5.25% [15] 5.25% [15] 5.25% [15] 5.25% [15]  
Investment Owned, Balance, Principal Amount $ 58,324,000 [11]       $ 58,474,000 [15]        
Amortized Cost 57,591,000 [1],[2],[11]       57,702,000 [4],[7],[15]        
Fair Value $ 57,304,000 [11]       $ 56,720,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.40% [15] 0.40% [15] 0.40% [15] 0.40% [15]  
Investment, Identifier [Axis]: SWK BUYER, Inc. (dba Stonewall Kitchen), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (98,000) [13]       $ (167,000) [10]        
Investment, Identifier [Axis]: SailPoint Technologies Holdings, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [15]         6.00% 6.00% 6.00% 6.00%  
Investment Owned, Balance, Principal Amount [15]         $ 39,167,000        
Amortized Cost [4],[7],[15]         38,556,000        
Fair Value [15]         $ 39,167,000        
Percentage of Net Assets [15]         0.30% 0.30% 0.30% 0.30%  
Investment, Identifier [Axis]: SailPoint Technologies Holdings, Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Salinger Bidco Inc. (dba Surgical Information Systems), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Salinger Bidco Inc. (dba Surgical Information Systems), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.75% [11] 5.75% [11] 5.75% [11] 5.75% [11] 5.75% [34] 5.75% [34] 5.75% [34] 5.75% [34]  
Investment Owned, Balance, Principal Amount $ 59,336,000 [11]       $ 59,336,000 [34]        
Amortized Cost 58,503,000 [1],[2],[11]       58,479,000 [4],[7],[34]        
Fair Value $ 59,336,000 [11]       $ 59,188,000 [34]        
Percentage of Net Assets [11] [11] [11] [11] 0.40% [34] 0.40% [34] 0.40% [34] 0.40% [34]  
Investment, Identifier [Axis]: Salinger Bidco Inc. (dba Surgical Information Systems), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ (14,000) [10]        
Investment, Identifier [Axis]: Saphilux S.a.r.L. (dba IQ-EQ), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.50% [23],[32],[36] 3.50% [23],[32],[36] 3.50% [23],[32],[36] 3.50% [23],[32],[36] 3.50% [26],[35],[42] 3.50% [26],[35],[42] 3.50% [26],[35],[42] 3.50% [26],[35],[42]  
Investment Owned, Balance, Principal Amount $ 32,297,000 [23],[32],[36]       $ 32,378,000 [26],[35],[42]        
Amortized Cost 32,297,000 [1],[2],[23],[32],[36]       32,378,000 [4],[7],[26],[35],[42]        
Fair Value $ 32,297,000 [23],[32],[36]       $ 32,581,000 [26],[35],[42]        
Percentage of Net Assets [23],[32],[36] [23],[32],[36] [23],[32],[36] [23],[32],[36] 0.20% [26],[35],[42] 0.20% [26],[35],[42] 0.20% [26],[35],[42] 0.20% [26],[35],[42]  
Investment, Identifier [Axis]: Savor Acquisition, Inc. (dba Sauer Brands), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ (2,000)                
Investment, Identifier [Axis]: Savor Acquisition, Inc. (dba Sauer Brands), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [31],[32] 3.25% 3.25% 3.25% 3.25%          
Investment Owned, Balance, Principal Amount [31],[32] $ 82,241,000                
Amortized Cost [1],[2],[31],[32] 82,044,000                
Fair Value [31],[32] $ 82,118,000                
Percentage of Net Assets [31],[32]          
Investment, Identifier [Axis]: Securonix, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.00% [11] 4.00% [11] 4.00% [11] 4.00% [11] 7.75% [15] 7.75% [15] 7.75% [15] 7.75% [15]  
Interest, PIK 3.75% 3.75% 3.75% 3.75% 3.75% [15] 3.75% [15] 3.75% [15] 3.75% [15]  
Investment Owned, Balance, Principal Amount $ 29,945,000 [11]       $ 29,661,000 [15]        
Amortized Cost 29,774,000 [1],[2],[11]       29,478,000 [4],[7],[15]        
Fair Value $ 25,978,000 [11]       $ 25,731,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.20% [15] 0.20% [15] 0.20% [15] 0.20% [15]  
Investment, Identifier [Axis]: Securonix, Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 7.00% [11],[12] 7.00% [11],[12] 7.00% [11],[12] 7.00% [11],[12] 7.00% [14],[15] 7.00% [14],[15] 7.00% [14],[15] 7.00% [14],[15]  
Investment Owned, Balance, Principal Amount $ 120,000 [11],[12]       $ 120,000 [14],[15]        
Amortized Cost 93,000 [1],[2],[11],[12]       91,000 [4],[7],[14],[15]        
Fair Value (587,000) [11],[12]       (587,000) [14],[15]        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 0.00% [14],[15] 0.00% [14],[15] 0.00% [14],[15] 0.00% [14],[15]  
Investment, Identifier [Axis]: Sedgwick Claims Management Services, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.00% [11],[32] 3.00% [11],[32] 3.00% [11],[32] 3.00% [11],[32] 3.00% [15],[35] 3.00% [15],[35] 3.00% [15],[35] 3.00% [15],[35]  
Investment Owned, Balance, Principal Amount $ 74,751,000 [11],[32]       $ 24,813,000 [15],[35]        
Amortized Cost 74,513,000 [1],[2],[11],[32]       24,758,000 [4],[7],[15],[35]        
Fair Value $ 74,474,000 [11],[32]       $ 24,937,000 [15],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.20% [15],[35] 0.20% [15],[35] 0.20% [15],[35] 0.20% [15],[35]  
Investment, Identifier [Axis]: Sensor Technology Topco, Inc. (dba Humanetics), First lien senior secured EUR delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Sensor Technology Topco, Inc. (dba Humanetics), First lien senior secured EUR term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 7.25% [12],[39] 7.25% [12],[39] 7.25% [12],[39] 7.25% [12],[39] 7.25% [14],[40] 7.25% [14],[40] 7.25% [14],[40] 7.25% [14],[40]  
Investment Owned, Balance, Principal Amount | €   € 43,242 [12],[39]       € 42,993 [14],[40]      
Amortized Cost $ 46,826,000 [1],[2],[12],[39]       $ 46,532,000 [4],[7],[14],[40]        
Fair Value $ 46,710,000 [12],[39]       $ 44,736,000 [14],[40]        
Percentage of Net Assets [12],[39] [12],[39] [12],[39] [12],[39] 0.30% [14],[40] 0.30% [14],[40] 0.30% [14],[40] 0.30% [14],[40]  
Investment, Identifier [Axis]: Sensor Technology Topco, Inc. (dba Humanetics), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Sensor Technology Topco, Inc. (dba Humanetics), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 7.00% [11],[12] 7.00% [11],[12] 7.00% [11],[12] 7.00% [11],[12] 7.00% [14],[15] 7.00% [14],[15] 7.00% [14],[15] 7.00% [14],[15]  
Investment Owned, Balance, Principal Amount $ 239,144,000 [11],[12]       $ 237,888,000 [14],[15]        
Amortized Cost 238,428,000 [1],[2],[11],[12]       237,032,000 [4],[7],[14],[15]        
Fair Value $ 239,144,000 [11],[12]       $ 239,078,000 [14],[15]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 1.60% [14],[15] 1.60% [14],[15] 1.60% [14],[15] 1.60% [14],[15]  
Investment, Identifier [Axis]: Sensor Technology Topco, Inc. (dba Humanetics), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.50% [12],[31] 6.50% [12],[31] 6.50% [12],[31] 6.50% [12],[31] 6.50% [14],[34] 6.50% [14],[34] 6.50% [14],[34] 6.50% [14],[34]  
Investment Owned, Balance, Principal Amount $ 10,114,000 [12],[31]       $ 13,312,000 [14],[34]        
Amortized Cost 10,057,000 [1],[2],[12],[31]       13,242,000 [4],[7],[14],[34]        
Fair Value 10,114,000 [12],[31]       13,368,000 [14],[34]        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [12],[31] [12],[31] [12],[31] [12],[31] 0.10% [14],[34] 0.10% [14],[34] 0.10% [14],[34] 0.10% [14],[34]  
Investment, Identifier [Axis]: Severin Acquisition, LLC (dba PowerSchool), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [12],[31] 5.00% 5.00% 5.00% 5.00%          
Investment Owned, Balance, Principal Amount [12],[31] $ 1,836,000                
Amortized Cost [1],[2],[12],[31] 1,700,000                
Fair Value [12],[31] 1,623,000                
Fair Value $ 0 [13]       $ (136,000) [10]        
Percentage of Net Assets [12],[31]          
Investment, Identifier [Axis]: Severin Acquisition, LLC (dba PowerSchool), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 2.75% [31] 2.75% [31] 2.75% [31] 2.75% [31] 5.00% [34] 5.00% [34] 5.00% [34] 5.00% [34]  
Interest, PIK 2.25% [31] 2.25% [31] 2.25% [31] 2.25% [31] 2.25% [34] 2.25% [34] 2.25% [34] 2.25% [34]  
Investment Owned, Balance, Principal Amount $ 130,421,000 [31]       $ 129,981,000 [34]        
Amortized Cost 129,204,000 [1],[2],[31]       128,724,000 [4],[7],[34]        
Fair Value $ 128,791,000 [31]       $ 128,681,000 [34]        
Percentage of Net Assets [31] [31] [31] [31] 0.90% [34] 0.90% [34] 0.90% [34] 0.90% [34]  
Investment, Identifier [Axis]: Severin Acquisition, LLC (dba PowerSchool), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11],[12] 4.75% 4.75% 4.75% 4.75%          
Investment Owned, Balance, Principal Amount [11],[12] $ 2,449,000                
Amortized Cost [1],[2],[11],[12] 2,297,000                
Fair Value [11],[12] 2,245,000                
Fair Value $ 0 [13]       $ (163,000) [10]        
Percentage of Net Assets [11],[12]          
Investment, Identifier [Axis]: SimonMed, Inc., First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ 0                
Investment, Identifier [Axis]: SimonMed, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11],[12] 4.75% 4.75% 4.75% 4.75%          
Investment Owned, Balance, Principal Amount [11],[12] $ 245,118,000                
Amortized Cost [1],[2],[11],[12] 243,795,000                
Fair Value [11],[12] $ 243,779,000                
Percentage of Net Assets [11],[12]          
Investment, Identifier [Axis]: SimonMed, Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ (153,000)                
Investment, Identifier [Axis]: SimpliSafe Holding Corporation, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.25% [31] 6.25% [31] 6.25% [31] 6.25% [31] 6.25% [14],[34] 6.25% [14],[34] 6.25% [14],[34] 6.25% [14],[34]  
Investment Owned, Balance, Principal Amount $ 140,750,000 [31]       $ 141,111,000 [14],[34]        
Amortized Cost 139,088,000 [1],[2],[31]       139,328,000 [4],[7],[14],[34]        
Fair Value $ 140,750,000 [31]       $ 141,111,000 [14],[34]        
Percentage of Net Assets [31] [31] [31] [31] 1.00% [14],[34] 1.00% [14],[34] 1.00% [14],[34] 1.00% [14],[34]  
Investment, Identifier [Axis]: Simplicity Financial Marketing Group Holdings, Inc., First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [12],[36] 5.00% 5.00% 5.00% 5.00%          
Investment Owned, Balance, Principal Amount [12],[36] $ 6,438,000                
Amortized Cost [1],[2],[12],[36] 6,212,000                
Fair Value [12],[36] 6,205,000                
Fair Value $ 0 [13]       $ (201,000) [10]        
Percentage of Net Assets [12],[36]          
Investment, Identifier [Axis]: Simplicity Financial Marketing Group Holdings, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [15] 5.00% [15] 5.00% [15] 5.00% [15]  
Investment Owned, Balance, Principal Amount $ 150,893,000 [11]       $ 150,893,000 [15]        
Amortized Cost 149,423,000 [1],[2],[11]       149,385,000 [4],[7],[15]        
Fair Value $ 149,384,000 [11]       $ 149,384,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 1.00% [15] 1.00% [15] 1.00% [15] 1.00% [15]  
Investment, Identifier [Axis]: Simplicity Financial Marketing Group Holdings, Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (201,000) [13]       $ (201,000) [10]        
Investment, Identifier [Axis]: Sitecore Holding III A/S, First lien senior secured EUR term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.50% [39] 3.50% [39] 3.50% [39] 3.50% [39] 7.75% [40] 7.75% [40] 7.75% [40] 7.75% [40]  
Interest, PIK 4.25% [39] 4.25% [39] 4.25% [39] 4.25% [39] 4.25% [40] 4.25% [40] 4.25% [40] 4.25% [40]  
Investment Owned, Balance, Principal Amount | €   € 25,369 [39]       € 25,001 [40]      
Amortized Cost $ 26,611,000 [1],[2],[39]       $ 26,219,000 [4],[7],[40]        
Fair Value $ 27,404,000 [39]       $ 25,889,000 [40]        
Percentage of Net Assets [39] [39] [39] [39] 0.20% [40] 0.20% [40] 0.20% [40] 0.20% [40]  
Investment, Identifier [Axis]: Sitecore Holding III A/S, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.50% [11] 3.50% [11] 3.50% [11] 3.50% [11] 7.75% [15] 7.75% [15] 7.75% [15] 7.75% [15]  
Interest, PIK 4.25% [11] 4.25% [11] 4.25% [11] 4.25% [11] 4.25% [15] 4.25% [15] 4.25% [15] 4.25% [15]  
Investment Owned, Balance, Principal Amount $ 4,362,000 [11]       $ 4,290,000 [15]        
Amortized Cost 4,338,000 [1],[2],[11]       4,265,000 [4],[7],[15]        
Fair Value $ 4,362,000 [11]       $ 4,290,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.00% [15] 0.00% [15] 0.00% [15] 0.00% [15]  
Investment, Identifier [Axis]: Sitecore USA, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.50% [11] 3.50% [11] 3.50% [11] 3.50% [11] 7.75% [15] 7.75% [15] 7.75% [15] 7.75% [15]  
Interest, PIK 4.25% [11] 4.25% [11] 4.25% [11] 4.25% [11] 4.25% [15] 4.25% [15] 4.25% [15] 4.25% [15]  
Investment Owned, Balance, Principal Amount $ 26,299,000 [11]       $ 25,865,000 [15]        
Amortized Cost 26,154,000 [1],[2],[11]       25,713,000 [4],[7],[15]        
Fair Value $ 26,299,000 [11]       $ 25,865,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.20% [15] 0.20% [15] 0.20% [15] 0.20% [15]  
Investment, Identifier [Axis]: Smarsh Inc., First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value [10]         $ 0        
Investment, Identifier [Axis]: Smarsh Inc., First lien senior secured delayed draw term loan 1                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ 0                
Investment, Identifier [Axis]: Smarsh Inc., First lien senior secured delayed draw term loan 2                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ 0                
Investment, Identifier [Axis]: Smarsh Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.75% [11] 4.75% [11] 4.75% [11] 4.75% [11] 5.75% [14],[15] 5.75% [14],[15] 5.75% [14],[15] 5.75% [14],[15]  
Investment Owned, Balance, Principal Amount $ 108,377,000 [11]       $ 93,429,000 [14],[15]        
Amortized Cost 107,700,000 [1],[2],[11]       92,742,000 [4],[7],[14],[15]        
Fair Value $ 108,377,000 [11]       $ 93,429,000 [14],[15]        
Percentage of Net Assets [11] [11] [11] [11] 0.60% [14],[15] 0.60% [14],[15] 0.60% [14],[15] 0.60% [14],[15]  
Investment, Identifier [Axis]: Smarsh Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.75% [12],[31] 4.75% [12],[31] 4.75% [12],[31] 4.75% [12],[31] 5.75% [14],[34] 5.75% [14],[34] 5.75% [14],[34] 5.75% [14],[34]  
Investment Owned, Balance, Principal Amount $ 1,439,000 [12],[31]       $ 332,000 [14],[34]        
Amortized Cost 1,399,000 [1],[2],[12],[31]       327,000 [4],[7],[14],[34]        
Fair Value 1,439,000 [12],[31]       332,000 [14],[34]        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [12],[31] [12],[31] [12],[31] [12],[31] 0.00% [14],[34] 0.00% [14],[34] 0.00% [14],[34] 0.00% [14],[34]  
Investment, Identifier [Axis]: Soleo Holdings, Inc., First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ (40,000)                
Investment, Identifier [Axis]: Soleo Holdings, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11] 4.75% 4.75% 4.75% 4.75%          
Investment Owned, Balance, Principal Amount [11] $ 112,324,000                
Amortized Cost [1],[2],[11] 111,772,000                
Fair Value [11] $ 111,762,000                
Percentage of Net Assets [11]          
Investment, Identifier [Axis]: Soleo Holdings, Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ (80,000)                
Investment, Identifier [Axis]: Soliant Lower Intermediate, LLC (dba Soliant), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.75% [32],[36] 3.75% [32],[36] 3.75% [32],[36] 3.75% [32],[36] 3.75% [34],[35] 3.75% [34],[35] 3.75% [34],[35] 3.75% [34],[35]  
Investment Owned, Balance, Principal Amount $ 66,833,000 [32],[36]       $ 67,000,000 [34],[35]        
Amortized Cost 64,242,000 [1],[2],[32],[36]       64,321,000 [4],[7],[34],[35]        
Fair Value $ 65,416,000 [32],[36]       $ 66,330,000 [34],[35]        
Percentage of Net Assets [32],[36] [32],[36] [32],[36] [32],[36] 0.50% [34],[35] 0.50% [34],[35] 0.50% [34],[35] 0.50% [34],[35]  
Investment, Identifier [Axis]: Soliant Lower Intermediate, LLC (dba Soliant), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (330,000) [13]       $ (156,000) [10]        
Investment, Identifier [Axis]: Sonny's Enterprises, LLC, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [14],[15],[29]         5.50% 5.50% 5.50% 5.50%  
Investment Owned, Balance, Principal Amount [14],[15],[29]         $ 3,592,000        
Amortized Cost [4],[7],[14],[15],[29]         3,423,000        
Fair Value [14],[15],[29]         3,574,000        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [14],[15],[29]         0.00% 0.00% 0.00% 0.00%  
Investment, Identifier [Axis]: Sonny's Enterprises, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.50% [11],[12] 5.50% [11],[12] 5.50% [11],[12] 5.50% [11],[12] 5.50% [14],[15] 5.50% [14],[15] 5.50% [14],[15] 5.50% [14],[15]  
Investment Owned, Balance, Principal Amount $ 166,057,000 [11],[12]       $ 162,893,000 [14],[15]        
Amortized Cost 164,297,000 [1],[2],[11],[12]       161,184,000 [4],[7],[14],[15]        
Fair Value $ 165,227,000 [11],[12]       $ 162,078,000 [14],[15]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 1.10% [14],[15] 1.10% [14],[15] 1.10% [14],[15] 1.10% [14],[15]  
Investment, Identifier [Axis]: Sonny's Enterprises, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.50% [11],[12] 5.50% [11],[12] 5.50% [11],[12] 5.50% [11],[12] 5.50% [14],[15] 5.50% [14],[15] 5.50% [14],[15] 5.50% [14],[15]  
Investment Owned, Balance, Principal Amount $ 15,023,000 [11],[12]       $ 6,475,000 [14],[15]        
Amortized Cost 14,815,000 [1],[2],[11],[12]       6,245,000 [4],[7],[14],[15]        
Fair Value 14,893,000 [11],[12]       6,346,000 [14],[15]        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 0.00% [14],[15] 0.00% [14],[15] 0.00% [14],[15] 0.00% [14],[15]  
Investment, Identifier [Axis]: Sophos Holdings, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.50% [23],[31],[32] 3.50% [23],[31],[32] 3.50% [23],[31],[32] 3.50% [23],[31],[32] 3.50% [26],[34],[35] 3.50% [26],[34],[35] 3.50% [26],[34],[35] 3.50% [26],[34],[35]  
Investment Owned, Balance, Principal Amount $ 19,670,000 [23],[31],[32]       $ 19,722,000 [26],[34],[35]        
Amortized Cost 19,642,000 [1],[2],[23],[31],[32]       19,691,000 [4],[7],[26],[34],[35]        
Fair Value $ 19,656,000 [23],[31],[32]       $ 19,830,000 [26],[34],[35]        
Percentage of Net Assets [23],[31],[32] [23],[31],[32] [23],[31],[32] [23],[31],[32] 0.10% [26],[34],[35] 0.10% [26],[34],[35] 0.10% [26],[34],[35] 0.10% [26],[34],[35]  
Investment, Identifier [Axis]: Southern Air & Heat Holdings, LLC, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [14],[15],[29]         5.45% 5.45% 5.45% 5.45%  
Investment Owned, Balance, Principal Amount [14],[15],[29]         $ 10,526,000        
Amortized Cost [4],[7],[14],[15],[29]         9,702,000        
Fair Value [14],[15],[29]         10,526,000        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [14],[15],[29]         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Southern Air & Heat Holdings, LLC, First lien senior secured delayed draw term loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11],[12] 5.25% 5.25% 5.25% 5.25%          
Investment Owned, Balance, Principal Amount [11],[12] $ 10,499,000                
Amortized Cost [1],[2],[11],[12] 9,750,000                
Fair Value [11],[12] $ 10,499,000                
Percentage of Net Assets [11],[12]          
Investment, Identifier [Axis]: Southern Air & Heat Holdings, LLC, First lien senior secured delayed draw term loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [36] 4.75% 4.75% 4.75% 4.75%          
Investment Owned, Balance, Principal Amount [36] $ 1,101,000                
Amortized Cost [1],[2],[36] 1,094,000                
Fair Value [36] $ 1,101,000                
Percentage of Net Assets [36]          
Investment, Identifier [Axis]: Southern Air & Heat Holdings, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.75% [11],[12] 4.75% [11],[12] 4.75% [11],[12] 4.75% [11],[12] 4.75% [14],[15] 4.75% [14],[15] 4.75% [14],[15] 4.75% [14],[15]  
Investment Owned, Balance, Principal Amount $ 1,117,000 [11],[12]       $ 2,223,000 [14],[15]        
Amortized Cost 1,107,000 [1],[2],[11],[12]       2,205,000 [4],[7],[14],[15]        
Fair Value $ 1,117,000 [11],[12]       $ 2,223,000 [14],[15]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 0.00% [14],[15] 0.00% [14],[15] 0.00% [14],[15] 0.00% [14],[15]  
Investment, Identifier [Axis]: Southern Air & Heat Holdings, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Southern Veterinary Partners, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 3.25% [15],[35] 3.25% [15],[35] 3.25% [15],[35] 3.25% [15],[35]  
Investment Owned, Balance, Principal Amount $ 40,000,000 [31],[32]       $ 30,000,000 [15],[35]        
Amortized Cost 39,855,000 [1],[2],[31],[32]       29,848,000 [4],[7],[15],[35]        
Fair Value $ 39,864,000 [31],[32]       $ 30,180,000 [15],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.20% [15],[35] 0.20% [15],[35] 0.20% [15],[35] 0.20% [15],[35]  
Investment, Identifier [Axis]: Sovos Compliance, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.00% [31],[32] 4.00% [31],[32] 4.00% [31],[32] 4.00% [31],[32] 4.50% [34],[35] 4.50% [34],[35] 4.50% [34],[35] 4.50% [34],[35]  
Investment Owned, Balance, Principal Amount $ 48,633,000 [31],[32]       $ 28,748,000 [34],[35]        
Amortized Cost 48,662,000 [1],[2],[31],[32]       28,379,000 [4],[7],[34],[35]        
Fair Value $ 48,376,000 [31],[32]       $ 28,920,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.20% [34],[35] 0.20% [34],[35] 0.20% [34],[35] 0.20% [34],[35]  
Investment, Identifier [Axis]: Spaceship Purchaser, Inc. (dba Squarespace), First lien senior secured delayed draw term loan 1                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Spaceship Purchaser, Inc. (dba Squarespace), First lien senior secured delayed draw term loan 2                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ (45,000) [10]        
Investment, Identifier [Axis]: Spaceship Purchaser, Inc. (dba Squarespace), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [15] 5.00% [15] 5.00% [15] 5.00% [15]  
Investment Owned, Balance, Principal Amount $ 125,702,000 [11]       $ 125,702,000 [15]        
Amortized Cost 125,104,000 [1],[2],[11]       125,087,000 [4],[7],[15]        
Fair Value $ 125,702,000 [11]       $ 125,074,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.90% [15] 0.90% [15] 0.90% [15] 0.90% [15]  
Investment, Identifier [Axis]: Spaceship Purchaser, Inc. (dba Squarespace), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ (75,000) [10]        
Investment, Identifier [Axis]: Spotless Brands, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.75% [36] 5.75% [36] 5.75% [36] 5.75% [36] 5.75% [14],[42] 5.75% [14],[42] 5.75% [14],[42] 5.75% [14],[42]  
Investment Owned, Balance, Principal Amount $ 81,489,000 [36]       $ 81,719,000 [14],[42]        
Amortized Cost 80,832,000 [1],[2],[36]       81,017,000 [4],[7],[14],[42]        
Fair Value $ 81,489,000 [36]       $ 81,515,000 [14],[42]        
Percentage of Net Assets [36] [36] [36] [36] 0.60% [14],[42] 0.60% [14],[42] 0.60% [14],[42] 0.60% [14],[42]  
Investment, Identifier [Axis]: Spotless Brands, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ (6,000) [10]        
Investment, Identifier [Axis]: Spring Education Group, Inc. (fka SSH Group Holdings, Inc.), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.00% [11],[32] 4.00% [11],[32] 4.00% [11],[32] 4.00% [11],[32] 4.00% [15],[35] 4.00% [15],[35] 4.00% [15],[35] 4.00% [15],[35]  
Investment Owned, Balance, Principal Amount $ 15,146,000 [11],[32]       $ 15,184,000 [15],[35]        
Amortized Cost 15,146,000 [1],[2],[11],[32]       15,184,000 [4],[7],[15],[35]        
Fair Value $ 15,105,000 [11],[32]       $ 15,260,000 [15],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.10% [15],[35] 0.10% [15],[35] 0.10% [15],[35] 0.10% [15],[35]  
Investment, Identifier [Axis]: Starlight Parent, LLC (dba SolarWinds), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [31],[32] 4.00% 4.00% 4.00% 4.00%          
Investment Owned, Balance, Principal Amount [31],[32] $ 32,500,000                
Amortized Cost [1],[2],[31],[32] 31,525,000                
Fair Value [31],[32] $ 31,506,000                
Percentage of Net Assets [31],[32]          
Investment, Identifier [Axis]: Storable, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 3.50% [34],[35] 3.50% [34],[35] 3.50% [34],[35] 3.50% [34],[35]  
Investment Owned, Balance, Principal Amount $ 64,476,000 [31],[32]       $ 64,476,000 [34],[35]        
Amortized Cost 64,399,000 [1],[2],[31],[32]       64,077,000 [4],[7],[34],[35]        
Fair Value $ 64,050,000 [31],[32]       $ 64,856,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.40% [34],[35] 0.40% [34],[35] 0.40% [34],[35] 0.40% [34],[35]  
Investment, Identifier [Axis]: Summit Acquisition Inc. (dba K2 Insurance Services), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.75% [31] 3.75% [31] 3.75% [31] 3.75% [31] 3.75% [15] 3.75% [15] 3.75% [15] 3.75% [15]  
Investment Owned, Balance, Principal Amount $ 20,000,000 [31]       $ 20,000,000 [15]        
Amortized Cost 19,905,000 [1],[2],[31]       19,902,000 [4],[7],[15]        
Fair Value $ 20,000,000 [31]       $ 19,900,000 [15]        
Percentage of Net Assets [31] [31] [31] [31] 0.10% [15] 0.10% [15] 0.10% [15] 0.10% [15]  
Investment, Identifier [Axis]: Sunshine Software Holdings, Inc. (dba Cornerstone OnDemand, Inc.), Series A Preferred Stock                  
Schedule of Investments [Line Items]                  
Interest, PIK 10.50% [22],[30] 10.50% [22],[30] 10.50% [22],[30] 10.50% [22],[30] 10.50% [24],[28] 10.50% [24],[28] 10.50% [24],[28] 10.50% [24],[28]  
Units (in shares) | shares 12,750 [22],[30] 12,750 [22],[30] 12,750 [22],[30] 12,750 [22],[30] 12,750,000 [24],[28] 12,750,000 [24],[28] 12,750,000 [24],[28] 12,750,000 [24],[28]  
Amortized Cost $ 17,507,000 [1],[2],[22],[30]       $ 17,499,000 [4],[7],[24],[28]        
Fair Value $ 14,043,000 [22],[30]       $ 13,999,000 [24],[28]        
Percentage of Net Assets [22],[30] [22],[30] [22],[30] [22],[30] 0.10% [24],[28] 0.10% [24],[28] 0.10% [24],[28] 0.10% [24],[28]  
Investment, Identifier [Axis]: TBRS, Inc. (dba TEAM Technologies), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ (94,000) [10]        
Investment, Identifier [Axis]: TBRS, Inc. (dba TEAM Technologies), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.75% [11] 4.75% [11] 4.75% [11] 4.75% [11] 4.75% [15] 4.75% [15] 4.75% [15] 4.75% [15]  
Investment Owned, Balance, Principal Amount $ 137,711,000 [11]         € 138,056 [15]      
Amortized Cost 137,023,000 [1],[2],[11]       $ 137,366,000 [4],[7],[15]        
Fair Value $ 137,022,000 [11]       $ 137,366,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.90% [15] 0.90% [15] 0.90% [15] 0.90% [15]  
Investment, Identifier [Axis]: TBRS, Inc. (dba TEAM Technologies), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.75% [11],[12] 4.75% [11],[12] 4.75% [11],[12] 4.75% [11],[12] 4.75% [14],[15] 4.75% [14],[15] 4.75% [14],[15] 4.75% [14],[15]  
Investment Owned, Balance, Principal Amount $ 1,255,000 [11],[12]       $ 1,255,000 [14],[15]        
Amortized Cost 1,150,000 [1],[2],[11],[12]       1,150,000 [4],[7],[14],[15]        
Fair Value 1,150,000 [11],[12]       1,150,000 [14],[15]        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 0.00% [14],[15] 0.00% [14],[15] 0.00% [14],[15] 0.00% [14],[15]  
Investment, Identifier [Axis]: TC Holdings, LLC (dba TrialCard), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [14],[15] 5.00% [14],[15] 5.00% [14],[15] 5.00% [14],[15]  
Investment Owned, Balance, Principal Amount $ 209,154,000 [11]       $ 209,684,000 [14],[15]        
Amortized Cost 208,432,000 [1],[2],[11]       208,881,000 [4],[7],[14],[15]        
Fair Value $ 209,154,000 [11]       $ 209,684,000 [14],[15]        
Percentage of Net Assets [11] [11] [11] [11] 1.40% [14],[15] 1.40% [14],[15] 1.40% [14],[15] 1.40% [14],[15]  
Investment, Identifier [Axis]: TC Holdings, LLC (dba TrialCard), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: TCB Holdings I LLC (dba TricorBraun), Class A Preferred Units                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [22],[30] 14.00% 14.00% 14.00% 14.00%          
Units (in shares) | shares [22],[30] 87,500 87,500 87,500 87,500          
Amortized Cost [1],[2],[22],[30] $ 84,879,000                
Fair Value [22],[30] $ 84,875,000                
Percentage of Net Assets [22],[30]          
Investment, Identifier [Axis]: THG Acquisition, LLC (dba Hilb), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ (104,000) [10]        
Investment, Identifier [Axis]: THG Acquisition, LLC (dba Hilb), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.75% [12],[31] 4.75% [12],[31] 4.75% [12],[31] 4.75% [12],[31] 4.75% [14],[34] 4.75% [14],[34] 4.75% [14],[34] 4.75% [14],[34]  
Investment Owned, Balance, Principal Amount $ 93,767,000 [12],[31]       $ 93,695,000 [14],[34]        
Amortized Cost 92,708,000 [1],[2],[12],[31]       92,691,000 [4],[7],[14],[34]        
Fair Value $ 92,629,000 [12],[31]       $ 92,663,000 [14],[34]        
Percentage of Net Assets [12],[31] [12],[31] [12],[31] [12],[31] 0.60% [14],[34] 0.60% [14],[34] 0.60% [14],[34] 0.60% [14],[34]  
Investment, Identifier [Axis]: THG Acquisition, LLC (dba Hilb), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Tacala, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.50% [31],[32] 3.50% [31],[32] 3.50% [31],[32] 3.50% [31],[32] 3.50% [34],[35] 3.50% [34],[35] 3.50% [34],[35] 3.50% [34],[35]  
Investment Owned, Balance, Principal Amount $ 55,364,000 [31],[32]       $ 40,466,000 [34],[35]        
Amortized Cost 55,226,000 [1],[2],[31],[32]       40,466,000 [4],[7],[34],[35]        
Fair Value $ 55,276,000 [31],[32]       $ 40,700,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.30% [34],[35] 0.30% [34],[35] 0.30% [34],[35] 0.30% [34],[35]  
Investment, Identifier [Axis]: Tamarack Intermediate, L.L.C. (dba Verisk 3E), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.75% [11] 5.75% [11] 5.75% [11] 5.75% [11] 5.75% [14],[15] 5.75% [14],[15] 5.75% [14],[15] 5.75% [14],[15]  
Investment Owned, Balance, Principal Amount $ 38,348,000 [11]       $ 38,446,000 [14],[15]        
Amortized Cost 37,898,000 [1],[2],[11]       37,961,000 [4],[7],[14],[15]        
Fair Value $ 38,156,000 [11]       $ 38,253,000 [14],[15]        
Percentage of Net Assets [11] [11] [11] [11] 0.30% [14],[15] 0.30% [14],[15] 0.30% [14],[15] 0.30% [14],[15]  
Investment, Identifier [Axis]: Tamarack Intermediate, L.L.C. (dba Verisk 3E), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (27,000) [13]       $ (27,000) [10]        
Investment, Identifier [Axis]: Tecta America Corp., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [31],[32] 3.00% 3.00% 3.00% 3.00%          
Investment Owned, Balance, Principal Amount [31],[32] $ 37,333,000                
Amortized Cost [1],[2],[31],[32] 37,242,000                
Fair Value [31],[32] $ 37,016,000                
Percentage of Net Assets [31],[32]          
Investment, Identifier [Axis]: Tempo Buyer Corp. (dba Global Claims Services), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.75% [11] 4.75% [11] 4.75% [11] 4.75% [11] 4.75% [15] 4.75% [15] 4.75% [15] 4.75% [15]  
Investment Owned, Balance, Principal Amount $ 35,337,000 [11]       $ 35,428,000 [15]        
Amortized Cost 34,938,000 [1],[2],[11]       35,004,000 [4],[7],[15]        
Fair Value $ 35,337,000 [11]       $ 35,428,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.20% [15] 0.20% [15] 0.20% [15] 0.20% [15]  
Investment, Identifier [Axis]: Tempo Buyer Corp. (dba Global Claims Services), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: The Shade Store, LLC, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [34]         7.00% 7.00% 7.00% 7.00%  
Investment Owned, Balance, Principal Amount [34]         $ 10,580,000        
Amortized Cost [4],[7],[34]         10,395,000        
Fair Value [34]         $ 10,580,000        
Percentage of Net Assets [34]         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: The Shade Store, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [15]         6.00% 6.00% 6.00% 6.00%  
Investment Owned, Balance, Principal Amount [15]         $ 104,777,000        
Amortized Cost [4],[7],[15]         102,639,000        
Fair Value [15]         $ 102,158,000        
Percentage of Net Assets [15]         0.70% 0.70% 0.70% 0.70%  
Investment, Identifier [Axis]: The Shade Store, LLC, First lien senior secured loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11] 6.00% 6.00% 6.00% 6.00%          
Investment Owned, Balance, Principal Amount [11] $ 104,900,000                
Amortized Cost [1],[2],[11] 102,897,000                
Fair Value [11] $ 99,393,000                
Percentage of Net Assets [11]          
Investment, Identifier [Axis]: The Shade Store, LLC, First lien senior secured loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11] 7.00% 7.00% 7.00% 7.00%          
Investment Owned, Balance, Principal Amount [11] $ 13,829,000                
Amortized Cost [1],[2],[11] 13,655,000                
Fair Value [11] $ 13,380,000                
Percentage of Net Assets [11]          
Investment, Identifier [Axis]: The Shade Store, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 6.00% [11],[12] 6.00% [11],[12] 6.00% [11],[12] 6.00% [11],[12] 6.00% [14],[15] 6.00% [14],[15] 6.00% [14],[15] 6.00% [14],[15]  
Investment Owned, Balance, Principal Amount $ 2,463,000 [11],[12]       $ 2,592,000 [14],[15]        
Amortized Cost 2,313,000 [1],[2],[11],[12]       2,419,000 [4],[7],[14],[15]        
Fair Value 1,896,000 [11],[12]       2,322,000 [14],[15]        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 0.00% [14],[15] 0.00% [14],[15] 0.00% [14],[15] 0.00% [14],[15]  
Investment, Identifier [Axis]: Thevelia (US) LLC (dba Tricor), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.00% [11],[23],[32] 3.00% [11],[23],[32] 3.00% [11],[23],[32] 3.00% [11],[23],[32] 3.25% [15],[26],[35] 3.25% [15],[26],[35] 3.25% [15],[26],[35] 3.25% [15],[26],[35]  
Investment Owned, Balance, Principal Amount $ 21,019,000 [11],[23],[32]       $ 22,820,000 [15],[26],[35]        
Amortized Cost 21,019,000 [1],[2],[11],[23],[32]       22,820,000 [4],[7],[15],[26],[35]        
Fair Value $ 20,941,000 [11],[23],[32]       $ 22,934,000 [15],[26],[35]        
Percentage of Net Assets [11],[23],[32] [11],[23],[32] [11],[23],[32] [11],[23],[32] 0.20% [15],[26],[35] 0.20% [15],[26],[35] 0.20% [15],[26],[35] 0.20% [15],[26],[35]  
Investment, Identifier [Axis]: Thunder Purchaser, Inc. (dba Vector Solutions), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Thunder Purchaser, Inc. (dba Vector Solutions), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11],[12] 5.25% 5.25% 5.25% 5.25%          
Investment Owned, Balance, Principal Amount [11],[12] $ 44,664,000                
Amortized Cost [1],[2],[11],[12] 44,443,000                
Fair Value [11],[12] $ 44,664,000                
Percentage of Net Assets [11],[12]          
Investment, Identifier [Axis]: Thunder Purchaser, Inc. (dba Vector Solutions), First lien senior secured loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [15]         5.25% 5.25% 5.25% 5.25%  
Investment Owned, Balance, Principal Amount [15]         $ 11,522,000        
Amortized Cost [4],[7],[15]         11,466,000        
Fair Value [15]         $ 11,464,000        
Percentage of Net Assets [15]         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Thunder Purchaser, Inc. (dba Vector Solutions), First lien senior secured loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [15]         5.50% 5.50% 5.50% 5.50%  
Investment Owned, Balance, Principal Amount [15]         $ 12,680,000        
Amortized Cost [4],[7],[15]         12,607,000        
Fair Value [15]         $ 12,680,000        
Percentage of Net Assets [15]         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Thunder Purchaser, Inc. (dba Vector Solutions), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Thunder Topco L.P. (dba Vector Solutions), Common Units                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 712,884 [16],[30] 712,884 [16],[30] 712,884 [16],[30] 712,884 [16],[30] 712,884,000 [27],[28] 712,884,000 [27],[28] 712,884,000 [27],[28] 712,884,000 [27],[28]  
Amortized Cost $ 713,000 [1],[2],[16],[30]       $ 713,000 [4],[7],[27],[28]        
Fair Value $ 848,000 [16],[30]       $ 848,000 [27],[28]        
Percentage of Net Assets [16],[30] [16],[30] [16],[30] [16],[30] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28]  
Investment, Identifier [Axis]: Tivity Health, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [31] 5.00% [31] 5.00% [31] 5.00% [31] 5.00% [34] 5.00% [34] 5.00% [34] 5.00% [34]  
Investment Owned, Balance, Principal Amount $ 74,829,000 [31]       $ 75,017,000 [34]        
Amortized Cost 74,829,000 [1],[2],[31]       75,018,000 [4],[7],[34]        
Fair Value $ 74,829,000 [31]       $ 75,017,000 [34]        
Percentage of Net Assets [31] [31] [31] [31] 0.50% [34] 0.50% [34] 0.50% [34] 0.50% [34]  
Investment, Identifier [Axis]: Total Portfolio Company Commitments                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ (12,008,000)                
Investment, Identifier [Axis]: Tricentis Operations Holdings, Inc., First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ (50,000)                
Investment, Identifier [Axis]: Tricentis Operations Holdings, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11] 1.38% 1.38% 1.38% 1.38%          
Interest, PIK 4.88% 4.88% 4.88% 4.88%          
Investment Owned, Balance, Principal Amount [11] $ 50,274,000                
Amortized Cost [1],[2],[11] 49,779,000                
Fair Value [11] $ 49,771,000                
Percentage of Net Assets [11]          
Investment, Identifier [Axis]: Tricentis Operations Holdings, Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value [13] $ (63,000)                
Investment, Identifier [Axis]: Tricorbraun Holdings, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35]  
Investment Owned, Balance, Principal Amount $ 60,783,000 [31],[32]       $ 50,892,000 [34],[35]        
Amortized Cost 60,235,000 [1],[2],[31],[32]       50,288,000 [4],[7],[34],[35]        
Fair Value $ 60,182,000 [31],[32]       $ 50,811,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.30% [34],[35] 0.30% [34],[35] 0.30% [34],[35] 0.30% [34],[35]  
Investment, Identifier [Axis]: Troon Golf, L.L.C., First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Troon Golf, L.L.C., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.50% [11],[12] 4.50% [11],[12] 4.50% [11],[12] 4.50% [11],[12] 4.50% [14],[15] 4.50% [14],[15] 4.50% [14],[15] 4.50% [14],[15]  
Investment Owned, Balance, Principal Amount $ 381,696,000 [11],[12]       $ 382,656,000 [14],[15]        
Amortized Cost 381,454,000 [1],[2],[11],[12]       382,396,000 [4],[7],[14],[15]        
Fair Value $ 381,696,000 [11],[12]       $ 382,656,000 [14],[15]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 2.60% [14],[15] 2.60% [14],[15] 2.60% [14],[15] 2.60% [14],[15]  
Investment, Identifier [Axis]: Troon Golf, L.L.C., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Truist Insurance Holdings, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11],[12] 3.00% 3.00% 3.00% 3.00%          
Investment Owned, Balance, Principal Amount [11],[12] $ 896,000                
Amortized Cost [1],[2],[11],[12] 896,000                
Fair Value [11],[12] 896,000                
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [11],[12]          
Investment, Identifier [Axis]: UKG Inc. (dba Ultimate Software), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.00% [11],[32] 3.00% [11],[32] 3.00% [11],[32] 3.00% [11],[32] 3.00% [34],[35] 3.00% [34],[35] 3.00% [34],[35] 3.00% [34],[35]  
Investment Owned, Balance, Principal Amount $ 28,608,000 [11],[32]       $ 18,680,000 [34],[35]        
Amortized Cost 28,595,000 [1],[2],[11],[32]       18,680,000 [4],[7],[34],[35]        
Fair Value $ 28,533,000 [11],[32]       $ 18,797,000 [34],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.10% [34],[35] 0.10% [34],[35] 0.10% [34],[35] 0.10% [34],[35]  
Investment, Identifier [Axis]: USIC Holdings, Inc., First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: USIC Holdings, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.50% [11],[12] 5.50% [11],[12] 5.50% [11],[12] 5.50% [11],[12] 5.50% [14],[15] 5.50% [14],[15] 5.50% [14],[15] 5.50% [14],[15]  
Investment Owned, Balance, Principal Amount $ 38,334,000 [11],[12]       $ 38,083,000 [14],[15]        
Amortized Cost 37,978,000 [1],[2],[11],[12]       37,716,000 [4],[7],[14],[15]        
Fair Value $ 37,533,000 [11],[12]       $ 37,279,000 [14],[15]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 0.30% [14],[15] 0.30% [14],[15] 0.30% [14],[15] 0.30% [14],[15]  
Investment, Identifier [Axis]: USIC Holdings, Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [11],[12] 5.25% [11],[12] 5.25% [11],[12] 5.25% [11],[12] 5.25% [14],[15] 5.25% [14],[15] 5.25% [14],[15] 5.25% [14],[15]  
Investment Owned, Balance, Principal Amount $ 2,621,000 [11],[12]       $ 1,104,000 [14],[15]        
Amortized Cost 2,577,000 [1],[2],[11],[12]       1,057,000 [4],[7],[14],[15]        
Fair Value 2,524,000 [11],[12]       1,007,000 [14],[15]        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [11],[12] [11],[12] [11],[12] [11],[12] 0.00% [14],[15] 0.00% [14],[15] 0.00% [14],[15] 0.00% [14],[15]  
Investment, Identifier [Axis]: USRP Holdings, Inc. (dba U.S. Retirement and Benefits Partners), First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: USRP Holdings, Inc. (dba U.S. Retirement and Benefits Partners), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [12],[31] 5.00% [12],[31] 5.00% [12],[31] 5.00% [12],[31] 5.00% [34] 5.00% [34] 5.00% [34] 5.00% [34]  
Investment Owned, Balance, Principal Amount $ 37,400,000 [12],[31]       $ 37,238,000 [34]        
Amortized Cost 37,169,000 [1],[2],[12],[31]       37,061,000 [4],[7],[34]        
Fair Value $ 37,400,000 [12],[31]       $ 37,238,000 [34]        
Percentage of Net Assets [12],[31] [12],[31] [12],[31] [12],[31] 0.30% [34] 0.30% [34] 0.30% [34] 0.30% [34]  
Investment, Identifier [Axis]: USRP Holdings, Inc. (dba U.S. Retirement and Benefits Partners), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Unified Women's Healthcare, LP, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [14],[29],[34]         5.25% 5.25% 5.25% 5.25%  
Investment Owned, Balance, Principal Amount [14],[29],[34]         $ 62,572,000        
Amortized Cost [4],[7],[14],[29],[34]         62,118,000        
Fair Value [14],[29],[34]         $ 62,572,000        
Fair Value [13] $ 0                
Percentage of Net Assets [14],[29],[34]         0.40% 0.40% 0.40% 0.40%  
Investment, Identifier [Axis]: Unified Women's Healthcare, LP, First lien senior secured delayed draw term loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [31] 5.25% 5.25% 5.25% 5.25%          
Investment Owned, Balance, Principal Amount [31] $ 71,624,000                
Amortized Cost [1],[2],[31] 71,162,000                
Fair Value [31] $ 71,624,000                
Fair Value [10]         $ 0        
Percentage of Net Assets [31]          
Investment, Identifier [Axis]: Unified Women's Healthcare, LP, First lien senior secured delayed draw term loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [12],[31] 5.00% 5.00% 5.00% 5.00%          
Investment Owned, Balance, Principal Amount [12],[31] $ 20,249,000                
Amortized Cost [1],[2],[12],[31] 19,992,000                
Fair Value [12],[31] $ 19,973,000                
Fair Value [10]         $ (200,000)        
Percentage of Net Assets [12],[31]          
Investment, Identifier [Axis]: Unified Women's Healthcare, LP, First lien senior secured loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [11] 5.25% [11] 5.25% [11] 5.25% [11] 5.25% [15] 5.25% [15] 5.25% [15] 5.25% [15]  
Investment Owned, Balance, Principal Amount $ 81,825,000 [11]       $ 82,035,000 [15]        
Amortized Cost 81,411,000 [1],[2],[11]       81,600,000 [4],[7],[15]        
Fair Value $ 81,825,000 [11]       $ 82,035,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.60% [15] 0.60% [15] 0.60% [15] 0.60% [15]  
Investment, Identifier [Axis]: Unified Women's Healthcare, LP, First lien senior secured loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.50% [11] 5.50% [11] 5.50% [11] 5.50% [11] 5.50% [15] 5.50% [15] 5.50% [15] 5.50% [15]  
Investment Owned, Balance, Principal Amount $ 68,200,000 [11]       $ 68,372,000 [15]        
Amortized Cost 67,767,000 [1],[2],[11]       67,922,000 [4],[7],[15]        
Fair Value $ 68,200,000 [11]       $ 68,372,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.50% [15] 0.50% [15] 0.50% [15] 0.50% [15]  
Investment, Identifier [Axis]: Unified Women's Healthcare, LP, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: VIRTUSA CORPORATION, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35]  
Investment Owned, Balance, Principal Amount $ 29,602,000 [31],[32]       $ 9,677,000 [34],[35]        
Amortized Cost 29,622,000 [1],[2],[31],[32]       9,677,000 [4],[7],[34],[35]        
Fair Value $ 29,519,000 [31],[32]       $ 9,734,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.10% [34],[35] 0.10% [34],[35] 0.10% [34],[35] 0.10% [34],[35]  
Investment, Identifier [Axis]: Velocity HoldCo III Inc. (dba VelocityEHS), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.50% [11] 5.50% [11] 5.50% [11] 5.50% [11] 5.50% [15] 5.50% [15] 5.50% [15] 5.50% [15]  
Investment Owned, Balance, Principal Amount $ 2,270,000 [11]       $ 2,276,000 [15]        
Amortized Cost 2,249,000 [1],[2],[11]       2,253,000 [4],[7],[15]        
Fair Value $ 2,270,000 [11]       $ 2,276,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.00% [15] 0.00% [15] 0.00% [15] 0.00% [15]  
Investment, Identifier [Axis]: Velocity HoldCo III Inc. (dba VelocityEHS), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Vensure Employer Services, Inc., First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [11],[12] 4.50% 4.50% 4.50% 4.50%          
Investment Owned, Balance, Principal Amount [11],[12] $ 452,000                
Amortized Cost [1],[2],[11],[12] 285,000                
Fair Value [11],[12] 282,000                
Fair Value $ 0 [13]       $ (189,000) [10]        
Percentage of Net Assets [11],[12]          
Investment, Identifier [Axis]: Vensure Employer Services, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [11] 5.00% [15] 5.00% [15] 5.00% [15] 5.00% [15]  
Investment Owned, Balance, Principal Amount $ 166,664,000 [11]       $ 165,612,000 [15]        
Amortized Cost 165,101,000 [1],[2],[11]       164,019,000 [4],[7],[15]        
Fair Value $ 164,998,000 [11]       $ 163,956,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 1.10% [15] 1.10% [15] 1.10% [15] 1.10% [15]  
Investment, Identifier [Axis]: Vermont Aus Pty Ltd, First lien senior secured AUD term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.75% [23],[61] 5.75% [23],[61] 5.75% [23],[61] 5.75% [23],[61] 5.75% [26],[62] 5.75% [26],[62] 5.75% [26],[62] 5.75% [26],[62]  
Investment Owned, Balance, Principal Amount $ 70,532,000 [23],[61]       $ 70,715,000 [26],[62]        
Amortized Cost 47,868,000 [1],[2],[23],[61]       47,947,000 [4],[7],[26],[62]        
Fair Value $ 43,732,000 [23],[61]       $ 43,564,000 [26],[62]        
Percentage of Net Assets [23],[61] [23],[61] [23],[61] [23],[61] 0.30% [26],[62] 0.30% [26],[62] 0.30% [26],[62] 0.30% [26],[62]  
Investment, Identifier [Axis]: Vessco Midco Holdings, LLC, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [14],[29]         4.75% 4.75% 4.75% 4.75%  
Investment Owned, Balance, Principal Amount [14],[29]         $ 6,290,000        
Amortized Cost [4],[7],[14],[29]         6,147,000        
Fair Value [14],[29]         6,258,000        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [14],[29]         0.00% 0.00% 0.00% 0.00%  
Investment, Identifier [Axis]: Vessco Midco Holdings, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.75% [12],[31] 4.75% [12],[31] 4.75% [12],[31] 4.75% [12],[31] 4.75% [34] 4.75% [34] 4.75% [34] 4.75% [34]  
Investment Owned, Balance, Principal Amount $ 77,944,000 [12],[31]       $ 71,654,000 [34]        
Amortized Cost 77,141,000 [1],[2],[12],[31]       70,970,000 [4],[7],[34]        
Fair Value $ 77,554,000 [12],[31]       $ 71,296,000 [34]        
Percentage of Net Assets [12],[31] [12],[31] [12],[31] [12],[31] 0.50% [34] 0.50% [34] 0.50% [34] 0.50% [34]  
Investment, Identifier [Axis]: Vessco Midco Holdings, LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (40,000) [13]       $ (40,000) [10]        
Investment, Identifier [Axis]: Vestwell Holdings, Inc., Series D Preferred Stock                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 50,726 [16],[30] 50,726 [16],[30] 50,726 [16],[30] 50,726 [16],[30] 50,726,000 [27],[28] 50,726,000 [27],[28] 50,726,000 [27],[28] 50,726,000 [27],[28]  
Amortized Cost $ 1,007,000 [1],[2],[16],[30]       $ 1,007,000 [4],[7],[27],[28]        
Fair Value $ 1,000,000 [16],[30]       $ 1,000,000 [27],[28]        
Percentage of Net Assets [16],[30] [16],[30] [16],[30] [16],[30] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28]  
Investment, Identifier [Axis]: Vistage International, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.75% [11],[32] 3.75% [11],[32] 3.75% [11],[32] 3.75% [11],[32] 4.75% [15],[35] 4.75% [15],[35] 4.75% [15],[35] 4.75% [15],[35]  
Investment Owned, Balance, Principal Amount $ 29,765,000 [11],[32]           £ 29,841 [15],[35]    
Amortized Cost 29,765,000 [1],[2],[11],[32]       $ 29,632,000 [4],[7],[15],[35]        
Fair Value $ 29,690,000 [11],[32]       $ 29,823,000 [15],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.20% [15],[35] 0.20% [15],[35] 0.20% [15],[35] 0.20% [15],[35]  
Investment, Identifier [Axis]: Vital Bidco AB (dba Vitamin Well), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.50% [11],[23] 4.50% [11],[23] 4.50% [11],[23] 4.50% [11],[23] 4.50% [15],[26] 4.50% [15],[26] 4.50% [15],[26] 4.50% [15],[26]  
Investment Owned, Balance, Principal Amount $ 226,043,000 [11],[23]       $ 226,609,000 [15],[26]        
Amortized Cost 222,605,000 [1],[2],[11],[23]       222,966,000 [4],[7],[15],[26]        
Fair Value $ 226,043,000 [11],[23]       $ 223,437,000 [15],[26]        
Percentage of Net Assets [11],[23] [11],[23] [11],[23] [11],[23] 1.50% [15],[26] 1.50% [15],[26] 1.50% [15],[26] 1.50% [15],[26]  
Investment, Identifier [Axis]: Vital Bidco AB (dba Vitamin Well), First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.50% [12],[23],[31] 4.50% [12],[23],[31] 4.50% [12],[23],[31] 4.50% [12],[23],[31] 4.50% [14],[26],[34] 4.50% [14],[26],[34] 4.50% [14],[26],[34] 4.50% [14],[26],[34]  
Investment Owned, Balance, Principal Amount $ 12,908,000 [12],[23],[31]       $ 12,908,000 [14],[26],[34]        
Amortized Cost 12,270,000 [1],[2],[12],[23],[31]       12,241,000 [4],[7],[14],[26],[34]        
Fair Value 12,908,000 [12],[23],[31]       12,222,000 [14],[26],[34]        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [12],[23],[31] [12],[23],[31] [12],[23],[31] [12],[23],[31] 0.10% [14],[26],[34] 0.10% [14],[26],[34] 0.10% [14],[26],[34] 0.10% [14],[26],[34]  
Investment, Identifier [Axis]: WCG Intermediate Corp. (f/k/a Da Vinci Purchaser Corp.) (dba WCG), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.00% [31],[32] 3.00% [31],[32] 3.00% [31],[32] 3.00% [31],[32] 3.50% [33],[34],[35] 3.50% [33],[34],[35] 3.50% [33],[34],[35] 3.50% [33],[34],[35]  
Investment Owned, Balance, Principal Amount $ 30,000,000 [31],[32]       $ 2,232,000 [33],[34],[35]        
Amortized Cost 29,870,000 [1],[2],[31],[32]       2,232,000 [4],[7],[33],[34],[35]        
Fair Value $ 29,664,000 [31],[32]       $ 2,240,000 [33],[34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.00% [33],[34],[35] 0.00% [33],[34],[35] 0.00% [33],[34],[35] 0.00% [33],[34],[35]  
Investment, Identifier [Axis]: WMC Bidco, Inc. (dba West Monroe), Senior Preferred Stock                  
Schedule of Investments [Line Items]                  
Interest, PIK 11.25% [22],[30] 11.25% [22],[30] 11.25% [22],[30] 11.25% [22],[30] 11.25% [24],[28] 11.25% [24],[28] 11.25% [24],[28] 11.25% [24],[28]  
Units (in shares) | shares 33,385 [22],[30] 33,385 [22],[30] 33,385 [22],[30] 33,385 [22],[30] 33,385,000 [24],[28] 33,385,000 [24],[28] 33,385,000 [24],[28] 33,385,000 [24],[28]  
Amortized Cost $ 48,349,000 [1],[2],[22],[30]       $ 46,982,000 [4],[7],[24],[28]        
Fair Value $ 48,032,000 [22],[30]       $ 46,480,000 [24],[28]        
Percentage of Net Assets [22],[30] [22],[30] [22],[30] [22],[30] 0.30% [24],[28] 0.30% [24],[28] 0.30% [24],[28] 0.30% [24],[28]  
Investment, Identifier [Axis]: WP Irving Co-Invest, L.P., Partnership Units                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 1,250,000 [16],[23],[30] 1,250,000 [16],[23],[30] 1,250,000 [16],[23],[30] 1,250,000 [16],[23],[30] 1,250,000,000 [26],[27],[28] 1,250,000,000 [26],[27],[28] 1,250,000,000 [26],[27],[28] 1,250,000,000 [26],[27],[28]  
Amortized Cost $ 948,000 [1],[2],[16],[23],[30]       $ 960,000 [4],[7],[26],[27],[28]        
Fair Value $ 1,276,000 [16],[23],[30]       $ 1,276,000 [26],[27],[28]        
Percentage of Net Assets [16],[23],[30] [16],[23],[30] [16],[23],[30] [16],[23],[30] 0.00% [26],[27],[28] 0.00% [26],[27],[28] 0.00% [26],[27],[28] 0.00% [26],[27],[28]  
Investment, Identifier [Axis]: Walker Edison Furniture Company LLC, First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Walker Edison Furniture Company LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Interest, PIK 6.75% [11],[12],[50] 6.75% [11],[12],[50] 6.75% [11],[12],[50] 6.75% [11],[12],[50] 6.75% [14],[15],[27],[56] 6.75% [14],[15],[27],[56] 6.75% [14],[15],[27],[56] 6.75% [14],[15],[27],[56]  
Investment Owned, Balance, Principal Amount $ 6,572,000 [11],[12],[50]       $ 4,674,000 [14],[15],[27],[56]        
Amortized Cost 5,428,000 [1],[2],[11],[12],[50]       3,705,000 [4],[7],[14],[15],[27],[56]        
Fair Value $ 1,119,000 [11],[12],[50]       $ 615,000 [14],[15],[27],[56]        
Percentage of Net Assets [11],[12],[50] [11],[12],[50] [11],[12],[50] [11],[12],[50] 0.00% [14],[15],[27],[56] 0.00% [14],[15],[27],[56] 0.00% [14],[15],[27],[56] 0.00% [14],[15],[27],[56]  
Investment, Identifier [Axis]: Walker Edison Furniture Company LLC, First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate [15],[27],[56]         6.25% 6.25% 6.25% 6.25%  
Investment Owned, Balance, Principal Amount [15],[27],[56]         $ 1,333,000        
Amortized Cost [4],[7],[15],[27],[56]         1,333,000        
Fair Value [15],[27],[56]         857,000        
Fair Value $ 0 [13]       $ 0 [10]        
Percentage of Net Assets [15],[27],[56]         0.00% 0.00% 0.00% 0.00%  
Investment, Identifier [Axis]: Walker Edison Holdco LLC, Common Units                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 29,167 [16],[30] 29,167 [16],[30] 29,167 [16],[30] 29,167 [16],[30] 29,167,000 [27],[28] 29,167,000 [27],[28] 29,167,000 [27],[28] 29,167,000 [27],[28]  
Amortized Cost $ 2,818,000 [1],[2],[16],[30]       $ 2,818,000 [4],[7],[27],[28]        
Fair Value $ 0 [16],[30]       $ 0 [27],[28]        
Percentage of Net Assets [16],[30] [16],[30] [16],[30] [16],[30] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28]  
Investment, Identifier [Axis]: Wand Newco 3, Inc. (dba Caliber ), First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 2.50% [31],[32] 2.50% [31],[32] 2.50% [31],[32] 2.50% [31],[32] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35]  
Investment Owned, Balance, Principal Amount $ 21,931,000 [31],[32]       $ 12,257,000 [34],[35]        
Amortized Cost 21,765,000 [1],[2],[31],[32]       12,257,000 [4],[7],[34],[35]        
Fair Value $ 21,580,000 [31],[32]       $ 12,295,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.10% [34],[35] 0.10% [34],[35] 0.10% [34],[35] 0.10% [34],[35]  
Investment, Identifier [Axis]: When I Work, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.50% [11] 5.50% [11] 5.50% [11] 5.50% [11] 5.50% [15] 5.50% [15] 5.50% [15] 5.50% [15]  
Investment Owned, Balance, Principal Amount $ 26,891,000 [11]       $ 26,946,000 [15]        
Amortized Cost 26,781,000 [1],[2],[11]       26,827,000 [4],[7],[15]        
Fair Value $ 25,950,000 [11]       $ 26,003,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.20% [15] 0.20% [15] 0.20% [15] 0.20% [15]  
Investment, Identifier [Axis]: When I Work, Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ (146,000) [13]       $ (146,000) [10]        
Investment, Identifier [Axis]: White Cap Supply Holdings, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35]  
Investment Owned, Balance, Principal Amount $ 48,248,000 [31],[32]       $ 38,321,000 [34],[35]        
Amortized Cost 48,050,000 [1],[2],[31],[32]       38,116,000 [4],[7],[34],[35]        
Fair Value $ 46,699,000 [31],[32]       $ 38,352,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.30% [34],[35] 0.30% [34],[35] 0.30% [34],[35] 0.30% [34],[35]  
Investment, Identifier [Axis]: Wrench Group LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.00% [11],[32] 4.00% [11],[32] 4.00% [11],[32] 4.00% [11],[32] 4.00% [15],[35] 4.00% [15],[35] 4.00% [15],[35] 4.00% [15],[35]  
Investment Owned, Balance, Principal Amount $ 27,078,000 [11],[32]       $ 27,146,000 [15],[35]        
Amortized Cost 27,043,000 [1],[2],[11],[32]       27,103,000 [4],[7],[15],[35]        
Fair Value $ 25,656,000 [11],[32]       $ 25,992,000 [15],[35]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.20% [15],[35] 0.20% [15],[35] 0.20% [15],[35] 0.20% [15],[35]  
Investment, Identifier [Axis]: XOMA Corporation, Warrants                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 54,000 [16],[30] 54,000 [16],[30] 54,000 [16],[30] 54,000 [16],[30] 54,000,000 [27],[28] 54,000,000 [27],[28] 54,000,000 [27],[28] 54,000,000 [27],[28]  
Amortized Cost $ 369,000 [1],[2],[16],[30]       $ 369,000 [4],[7],[27],[28]        
Fair Value $ 381,000 [16],[30]       $ 629,000 [27],[28]        
Percentage of Net Assets [16],[30] [16],[30] [16],[30] [16],[30] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28] 0.00% [27],[28]  
Investment, Identifier [Axis]: XPLOR T1, LLC, First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.50% [11] 3.50% [11] 3.50% [11] 3.50% [11] 3.50% [15] 3.50% [15] 3.50% [15] 3.50% [15]  
Investment Owned, Balance, Principal Amount $ 49,750,000 [11]       $ 49,963,000 [15]        
Amortized Cost 49,750,000 [1],[2],[11]       49,963,000 [4],[7],[15]        
Fair Value $ 49,750,000 [11]       $ 50,337,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 0.30% [15] 0.30% [15] 0.30% [15] 0.30% [15]  
Investment, Identifier [Axis]: Zelis Cost Management Buyer, Inc., First lien senior secured loan 1                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 2.75% [31],[32] 2.75% [31],[32] 2.75% [31],[32] 2.75% [31],[32] 2.75% [34],[35] 2.75% [34],[35] 2.75% [34],[35] 2.75% [34],[35]  
Investment Owned, Balance, Principal Amount $ 4,950,000 [31],[32]       $ 4,963,000 [34],[35]        
Amortized Cost 4,930,000 [1],[2],[31],[32]       4,941,000 [4],[7],[34],[35]        
Fair Value $ 4,914,000 [31],[32]       $ 4,965,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.00% [34],[35] 0.00% [34],[35] 0.00% [34],[35] 0.00% [34],[35]  
Investment, Identifier [Axis]: Zelis Cost Management Buyer, Inc., First lien senior secured loan 2                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35]  
Investment Owned, Balance, Principal Amount $ 99,750,000 [31],[32]       $ 100,000,000 [34],[35]        
Amortized Cost 99,275,000 [1],[2],[31],[32]       99,510,000 [4],[7],[34],[35]        
Fair Value $ 99,411,000 [31],[32]       $ 100,250,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.70% [34],[35] 0.70% [34],[35] 0.70% [34],[35] 0.70% [34],[35]  
Investment, Identifier [Axis]: Zendesk, Inc., First lien senior secured delayed draw term loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Zendesk, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 4.99% [11] 4.99% [11] 4.99% [11] 4.99% [11] 5.00% [15] 5.00% [15] 5.00% [15] 5.00% [15]  
Investment Owned, Balance, Principal Amount $ 144,683,000 [11]       $ 145,037,000 [15]        
Amortized Cost 142,979,000 [1],[2],[11]       143,231,000 [4],[7],[15]        
Fair Value $ 144,683,000 [11]       $ 145,037,000 [15]        
Percentage of Net Assets [11] [11] [11] [11] 1.00% [15] 1.00% [15] 1.00% [15] 1.00% [15]  
Investment, Identifier [Axis]: Zendesk, Inc., First lien senior secured revolving loan                  
Schedule of Investments [Line Items]                  
Fair Value $ 0 [13]       $ 0 [10]        
Investment, Identifier [Axis]: Zest Acquisition Corp., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 5.25% [11],[32] 5.25% [11],[32] 5.25% [11],[32] 5.25% [11],[32] 5.25% [15] 5.25% [15] 5.25% [15] 5.25% [15]  
Investment Owned, Balance, Principal Amount $ 19,485,000 [11],[32]       $ 19,535,000 [15]        
Amortized Cost 19,485,000 [1],[2],[11],[32]       19,535,000 [4],[7],[15]        
Fair Value $ 19,511,000 [11],[32]       $ 19,730,000 [15]        
Percentage of Net Assets [11],[32] [11],[32] [11],[32] [11],[32] 0.10% [15] 0.10% [15] 0.10% [15] 0.10% [15]  
Investment, Identifier [Axis]: Zoro TopCo, Inc., Series A Preferred Equity                  
Schedule of Investments [Line Items]                  
Interest, PIK 9.50% [11],[30] 9.50% [11],[30] 9.50% [11],[30] 9.50% [11],[30] 9.50% [15],[28] 9.50% [15],[28] 9.50% [15],[28] 9.50% [15],[28]  
Units (in shares) | shares 16,562 [11],[30] 16,562 [11],[30] 16,562 [11],[30] 16,562 [11],[30] 16,562,000 [15],[28] 16,562,000 [15],[28] 16,562,000 [15],[28] 16,562,000 [15],[28]  
Amortized Cost $ 21,735,000 [1],[2],[11],[30]       $ 20,992,000 [4],[7],[15],[28]        
Fair Value $ 22,236,000 [11],[30]       $ 21,503,000 [15],[28]        
Percentage of Net Assets [11],[30] [11],[30] [11],[30] [11],[30] 0.10% [15],[28] 0.10% [15],[28] 0.10% [15],[28] 0.10% [15],[28]  
Investment, Identifier [Axis]: Zoro TopCo, L.P., Class A Common Units                  
Schedule of Investments [Line Items]                  
Units (in shares) | shares 1,380,129 [16],[30] 1,380,129 [16],[30] 1,380,129 [16],[30] 1,380,129 [16],[30] 1,380,129,000 [27],[28] 1,380,129,000 [27],[28] 1,380,129,000 [27],[28] 1,380,129,000 [27],[28]  
Amortized Cost $ 13,801,000 [1],[2],[16],[30]       $ 13,801,000 [4],[7],[27],[28]        
Fair Value $ 15,491,000 [16],[30]       $ 15,027,000 [27],[28]        
Percentage of Net Assets [16],[30] [16],[30] [16],[30] [16],[30] 0.10% [27],[28] 0.10% [27],[28] 0.10% [27],[28] 0.10% [27],[28]  
Investment, Identifier [Axis]: iSolved, Inc., First lien senior secured loan                  
Schedule of Investments [Line Items]                  
Investment, Basis Spread, Variable Rate 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 3.25% [31],[32] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35] 3.25% [34],[35]  
Investment Owned, Balance, Principal Amount $ 19,757,000 [31],[32]       $ 19,807,000 [34],[35]        
Amortized Cost 19,757,000 [1],[2],[31],[32]       19,807,000 [4],[7],[34],[35]        
Fair Value $ 19,751,000 [31],[32]       $ 20,031,000 [34],[35]        
Percentage of Net Assets [31],[32] [31],[32] [31],[32] [31],[32] 0.10% [34],[35] 0.10% [34],[35] 0.10% [34],[35] 0.10% [34],[35]  
[1] The amortized cost represents the original cost adjusted for the amortization and accretion of premiums and discounts, as applicable, on debt investments using the effective interest method.
[2] As of March 31, 2025, the net estimated unrealized loss on investments for U.S. federal income tax purposes was $23.1 million based on a tax cost basis of $29.5 billion. As of March 31, 2025, the estimated aggregate gross unrealized loss for U.S. federal income tax purposes was $267.2 million. As of March 31, 2025, the estimated aggregate gross unrealized gain for U.S. federal income tax purposes was $244.1 million.
[3] Certain portfolio company investments are subject to contractual restrictions on sales.
[4] The amortized cost represents the original cost adjusted for the amortization and accretion of premiums and discounts, as applicable, on debt investments using the effective interest method.
[5] Unless otherwise indicated, all investments are considered Level 3 investments.
[6] Unless otherwise indicated, all investments are non-controlled, non-affiliated investments. Non-controlled, non-affiliated investments are defined as investments in which the Company owns less than 5% of the portfolio company’s outstanding voting securities and does not have the power to exercise control over the management or policies of such portfolio company.
[7] As of December 31, 2024, the net estimated unrealized gain on investments for U.S. federal income tax purposes was $52.6 million based on a tax cost basis of $26.3 billion. As of December 31, 2024, the estimated aggregate gross unrealized loss for U.S. federal income tax purposes was $182.9 million. As of December 31, 2024, the estimated aggregate gross unrealized gain for U.S. federal income tax purposes was $235.5 million.
[8] Unless otherwise indicated, represents a co-investment made with the Company’s affiliates in accordance with the terms of exemptive relief that the Company received from the U.S. Securities and Exchange Commission. See Note 3 “Agreements and Related Party Transactions”.
[9] Unless otherwise indicated, the Company’s portfolio companies are pledged as collateral supporting the amounts outstanding under the Revolving Credit Facility, SPV Asset Facilities and CLOs. See Note 5 “Debt”.
[10] The negative cost and fair value results from unamortized fees, which are capitalized to the investment cost of unfunded commitments.
[11] The interest rate on these investments is subject to 3 month SOFR, which as of March 31, 2025 was 4.29%.
[12] Position or portion thereof is a partially unfunded debt or equity commitment. See Note 7 “Commitments and Contingencies”.
Portfolio CompanyCommitment TypeCommitment Expiration DateFunded CommitmentUnfunded
Commitment
Fair Value(33)
Non-controlled/non-affiliated - delayed draw debt commitments
ACR Group Borrower, LLCFirst lien senior secured delayed draw term loan5/2025$731 $100 $— 
Aerosmith Bidco 1 Limited (dba Audiotonix)First lien senior secured delayed draw term loan7/2027— 108,341 — 
AI Titan Parent, Inc. (dba Prometheus Group)First lien senior secured delayed draw term loan9/2026— 6,792 (34)
AlphaSense, Inc.First lien senior secured delayed draw term loan6/2029— 716 (5)
AlphaSense, Inc.First lien senior secured delayed draw term loan12/2025— 707 (5)
AmeriLife Holdings LLCFirst lien senior secured delayed draw term loan2/2027— 34,240 (86)
AmeriLife Holdings LLCFirst lien senior secured delayed draw term loan6/202615,700 16,715 — 
AmSpec Parent, LLCFirst lien senior secured delayed draw term loan12/2027— 5,333 — 
Appfire Technologies, LLCFirst lien senior secured delayed draw term loan12/2025— 4,215 — 
Appfire Technologies, LLCFirst lien senior secured delayed draw term loan6/2026— 2,688 — 
Aptean Acquiror, Inc. (dba Aptean)First lien senior secured delayed draw term loan1/20261,727 2,247 — 
Aptean Acquiror, Inc. (dba Aptean)First lien senior secured delayed draw term loan7/2025— 40,254 — 
Aramsco, Inc.First lien senior secured delayed draw term loan10/2025— 4,678 (316)
Arctic Holdco, LLC (dba Novvia Group)First lien senior secured delayed draw term loan1/20275,089 12,665 — 
Artifact Bidco, Inc. (dba Avetta)First lien senior secured delayed draw term loan7/2027— 3,793 — 
Associations, Inc.First lien senior secured delayed draw term loan7/20287,860 23,792 — 
Baker Tilly Advisory Group, LPFirst lien senior secured delayed draw term loan6/2026— 14,940 (37)
Portfolio CompanyCommitment TypeCommitment Expiration DateFunded CommitmentUnfunded
Commitment
Fair Value(33)
Bamboo US BidCo LLCFirst lien senior secured delayed draw term loan11/2026— 26,912 — 
BCPE Osprey Buyer, Inc. (dba PartsSource)First lien senior secured delayed draw term loan10/20254,557 21,926 — 
Belmont Buyer, Inc. (dba Valenz)First lien senior secured delayed draw term loan1/2026— 11,083 — 
BradyPLUS Holdings, LLC (f/k/a BradyIFS Holdings, LLC)First lien senior secured delayed draw term loan10/20251,107 4,049 — 
Cambrex CorporationFirst lien senior secured delayed draw term loan3/2027— 33,294 (166)
Capstone Acquisition Holdings, Inc.First lien senior secured delayed draw term loan8/2026— 1,789 (2)
CHA Vision Holdings, Inc. (fka FR Vision Holdings, Inc.)First lien senior secured delayed draw term loan1/20266,190 8,530 — 
Chrysaor Bidco s.à r.l. (dba AlterDomus)First lien senior secured delayed draw term loan5/2026— 689 — 
Citrin Cooperman Advisors LLCFirst lien senior secured delayed draw term loan3/2027— 1,061 (3)
Cohnreznick Advisory LLCFirst lien senior secured delayed draw term loan3/2027— 8,459 — 
Clydesdale Acquisition Holdings, Inc. (dba Novolex)First lien senior secured delayed draw term loan12/202586 2,320 — 
CMG HoldCo, LLC (dba Crete United)First lien senior secured delayed draw term loan10/2026— 10,141 (51)
CMG HoldCo, LLC (dba Crete United)First lien senior secured delayed draw term loan11/202514,384 10,916 — 
Computer Services, Inc. (dba CSI)First lien senior secured delayed draw term loan2/2026— 25,566 — 
CoreTrust Purchasing Group LLCFirst lien senior secured delayed draw term loan5/2026— 23,639 — 
Coupa Holdings, LLCFirst lien senior secured delayed draw term loan8/2025— 2,174 — 
CCM Midco, LLC (f/k/a Cresset Capital Management, LLC)First lien senior secured delayed draw term loan9/2025— 7,612 — 
CCM Midco, LLC (f/k/a Cresset Capital Management, LLC)First lien senior secured delayed draw term loan6/2026— 4,478 — 
CT Technologies Intermediate Holdings, Inc. (& Smart Holdings Corp.) (dba Datavant)First lien senior secured delayed draw term loan8/2026— 12,046 — 
Databricks, Inc.First lien senior secured delayed draw term loan7/2026— 16,531 — 
DCG ACQUISITION CORP. (dba DuBois Chemical)First lien senior secured delayed draw term loan6/2026— 15,899 — 
Diamond Mezzanine 24 LLC (dba United Risk)First lien senior secured delayed draw term loan10/2026— 24,700 — 
Dresser Utility Solutions, LLCFirst lien senior secured delayed draw term loan9/2025— 7,537 — 
Denali BuyerCo, LLC (dba Summit Companies)First lien senior secured delayed draw term loan1/202715,182 55,309 — 
DuraServ LLCFirst lien senior secured delayed draw term loan3/20272,842 69,582 — 
EET Buyer, Inc. (dba e-Emphasys)First lien senior secured delayed draw term loan4/2026— 8,523 — 
EresearchTechnology, Inc. (dba Clario)First lien senior secured delayed draw term loan1/20271,666 31,659 — 
EresearchTechnology, Inc. (dba Clario)First lien senior secured delayed draw term loan3/2026— 29,326 (147)
Essential Services Holding Corporation (dba Turnpoint)First lien senior secured delayed draw term loan6/2026— 6,970 (35)
Evolution BuyerCo, Inc. (dba SIAA)First lien senior secured delayed draw term loan12/2025— 26,059 — 
Faraday Buyer, LLC (dba MacLean Power Systems)First lien senior secured delayed draw term loan11/2025— 14,307 — 
FR Flow Control CB LLC (dba Trillium Flow Technologies)First lien senior secured delayed draw term loan6/2026— 28,307 — 
Fullsteam Operations, LLCFirst lien senior secured delayed draw term loan8/20252,674 2,326 — 
Fullsteam Operations, LLCFirst lien senior secured delayed draw term loan2/2026840 410 — 
Galls, LLCFirst lien senior secured delayed draw term loan3/202611,970 27,258 — 
Galway Borrower LLCFirst lien senior secured delayed draw term loan7/20262,812 46,920 — 
Gehl Foods, LLCFirst lien senior secured delayed draw term loan12/20256,806 2,274 — 
GI Apple Midco LLC (dba Atlas Technical Consultants)First lien senior secured delayed draw term loan4/20251,720 14,090 — 
GS Acquisitionco, Inc. (dba insightsoftware)First lien senior secured delayed draw term loan3/202672 254 — 
Portfolio CompanyCommitment TypeCommitment Expiration DateFunded CommitmentUnfunded
Commitment
Fair Value(33)
Home Service TopCo IV, Inc.First lien senior secured delayed draw term loan2/2027— 2,799 — 
Indigo Buyer, Inc. (dba Inovar Packaging Group)First lien senior secured delayed draw term loan7/20261,075 12,359 — 
Indikami Bidco, LLC (dba IntegriChain)First lien senior secured delayed draw term loan12/2025751 5,819 — 
Integrity Marketing Acquisition, LLCFirst lien senior secured delayed draw term loan8/2026— 53,446 — 
Interoperability Bidco, Inc. (dba Lyniate)First lien senior secured delayed draw term loan6/2026— 5,079 (102)
Integrated Specialty Coverages, LLCFirst lien senior secured delayed draw term loan2/2027— 6,577 — 
KENE Acquisition, Inc. (dba Entrust Solutions Group)First lien senior secured delayed draw term loan2/2026775 6,695 — 
KPSKY Acquisition, Inc. (dba BluSky)First lien senior secured delayed draw term loan11/202572 6,054 — 
KWOR Acquisition, Inc. (dba Alacrity Solutions)First lien senior secured delayed draw term loan2/2027— 3,857 (19)
Lakefield Acquisition Corp. (dba Lakefield Veterinary Group)First lien senior secured delayed draw term loan9/20264,213 47,386 — 
Lightbeam Bidco, Inc. (dba Lazer Spot)First lien senior secured delayed draw term loan5/202519,558 27,285 — 
Litera Bidco LLCFirst lien senior secured delayed draw term loan11/20268,763 767 — 
Litera Bidco LLCFirst lien senior secured delayed draw term loan5/2027— 3,981 (10)
ManTech International CorporationFirst lien senior secured delayed draw term loan6/2025— 2,164 — 
Maple Acquisition, LLC (dba Medicus)First lien senior secured delayed draw term loan5/2026— 20,448 — 
Mario Purchaser, LLC (dba Len the Plumber)First lien senior secured delayed draw term loan10/20252,653 24,114 — 
Minotaur Acquisition, Inc. (dba Inspira Financial)First lien senior secured delayed draw term loan5/2026— 41,960 — 
Monotype Imaging Holdings Inc.First lien senior secured delayed draw term loan2/20263,252 10,759 — 
NELIPAK EUROPEAN HOLDINGS COÖPERATIEF U.A.First lien senior secured EUR delayed draw term loan3/2027— 23,316 (291)
Nelipak Holding CompanyFirst lien senior secured delayed draw term loan3/2027— 11,787 (147)
OneOncology, LLCFirst lien senior secured delayed draw term loan10/202644,679 26,576 — 
OneOncology, LLCFirst lien senior secured delayed draw term loan3/2027— 121,354 (303)
Packaging Coordinators Midco, Inc.First lien senior secured delayed draw term loan4/2026— 236,996 (1,778)
Paris US Holdco, Inc. (dba Precinmac)First lien senior secured delayed draw term loan12/2026— 18,063 (90)
Park Place Technologies, LLCFirst lien senior secured delayed draw term loan9/20256,930 6,543 — 
Patriot Acquisition TopCo S.A.R.L (dba Corza Health, Inc.)First lien senior secured delayed draw term loan8/202513,680 3,429 — 
PDI TA Holdings, Inc.First lien senior secured delayed draw term loan2/2026— 6,584 (66)
PetVet Care Centers, LLCFirst lien senior secured delayed draw term loan11/2025— 31,691 (1,426)
Pye-Barker Fire & Safety, LLCFirst lien senior secured delayed draw term loan5/202664,313 95,287 — 
Raven Acquisition Holdings, LLC (dba R1 RCM)First lien senior secured delayed draw term loan10/2026— 5,667 (45)
RL Datix Holdings (USA), Inc.First lien senior secured delayed draw term loan4/2027— 14,908 — 
Savor Acquisition, Inc. (dba Sauer Brands)First lien senior secured delayed draw term loan3/2027— 7,759 (2)
Salinger Bidco Inc. (dba Surgical Information Systems)First lien senior secured delayed draw term loan8/2026— 5,742 — 
Sensor Technology Topco, Inc. (dba Humanetics)First lien senior secured EUR delayed draw term loan9/2025449 600 — 
Sensor Technology Topco, Inc. (dba Humanetics)First lien senior secured delayed draw term loan9/20252,046 2,732 — 
Severin Acquisition, LLC (dba PowerSchool)First lien senior secured delayed draw term loan10/20271,836 25,370 — 
SimonMed, Inc.First lien senior secured delayed draw term loan2/20275,745 40,288 — 
Simplicity Financial Marketing Group Holdings, Inc.First lien senior secured delayed draw term loan12/20266,438 33,800 — 
Smarsh Inc.First lien senior secured delayed draw term loan1/2027— 10,381 — 
Smarsh Inc.First lien senior secured delayed draw term loan1/2027— 9,966 — 
Portfolio CompanyCommitment TypeCommitment Expiration DateFunded CommitmentUnfunded
Commitment
Fair Value(33)
Soleo Holdings, Inc.First lien senior secured delayed draw term loan2/2027— 15,932 (40)
Sonny's Enterprises, LLCFirst lien senior secured delayed draw term loan6/20263,583 41,416 — 
Southern Air & Heat Holdings, LLCFirst lien senior secured delayed draw term loan7/202510,499 20,889 — 
Spaceship Purchaser, Inc. (dba Squarespace)First lien senior secured delayed draw term loan10/2026— 7,482 — 
Spaceship Purchaser, Inc. (dba Squarespace)First lien senior secured delayed draw term loan10/2027— 17,957 — 
STS PARENT, LLC (dba STS Aviation Group)First lien senior secured delayed draw term loan10/2026— 37,550 — 
TBRS, Inc. (dba TEAM Technologies)First lien senior secured delayed draw term loan11/2026— 37,652 — 
THG Acquisition, LLC (dba Hilb)First lien senior secured delayed draw term loan10/2026367 20,349 — 
Thunder Purchaser, Inc. (dba Vector Solutions)First lien senior secured delayed draw term loan10/202620,523 6,858 — 
Troon Golf, L.L.C.First lien senior secured delayed draw term loan9/202627,381 27,449 — 
Tricentis Operations Holdings, Inc.First lien senior secured delayed draw term loan2/2027— 10,055 (50)
Unified Women's Healthcare, LPFirst lien senior secured delayed draw term loan10/202620,249 33,151 — 
USIC Holdings, Inc.First lien senior secured delayed draw term loan9/2026494 1,741 — 
USRP Holdings, Inc. (dba U.S. Retirement and Benefits Partners)First lien senior secured delayed draw term loan8/2026258 13,712 — 
Vensure Employer Services, Inc.First lien senior secured delayed draw term loan9/2026452 32,826 — 
Vessco Midco Holdings, LLCFirst lien senior secured delayed draw term loan7/20266,290 17,595 — 
Walker Edison Furniture Company LLCFirst lien senior secured delayed draw term loan3/2027174 244 — 
Zendesk, Inc.First lien senior secured delayed draw term loan11/2025— 35,425 — 
Non-controlled/affiliated - delayed draw debt commitments
Pluralsight, LLCFirst lien senior secured delayed draw term loan8/2029— 496 — 
Non-controlled/non-affiliated - revolving debt commitments
ACR Group Borrower, LLCFirst lien senior secured revolving loan3/202625 850 — 
Activate Holdings (US) Corp. (dba Absolute Software)First lien senior secured revolving loan7/2029— 352 — 
Aerosmith Bidco 1 Limited (dba Audiotonix)First lien senior secured revolving loan7/2030— 44,919 — 
AI Titan Parent, Inc. (dba Prometheus Group)First lien senior secured revolving loan8/2031— 4,245 (42)
AmeriLife Holdings LLCFirst lien senior secured revolving loan8/2028— 33,393 (167)
Anaplan, Inc.First lien senior secured revolving loan6/2028— 16,528 — 
Appfire Technologies, LLCFirst lien senior secured revolving loan3/2028— 1,633 — 
Aptean Acquiror, Inc. (dba Aptean)First lien senior secured revolving loan1/2031— 8,497 — 
Arctic Holdco, LLC (dba Novvia Group)First lien senior secured revolving loan1/20315,681 6,155 — 
Artifact Bidco, Inc. (dba Avetta)First lien senior secured revolving loan7/2030— 2,710 (14)
Ascend Buyer, LLC (dba PPC Flexible Packaging)First lien senior secured revolving loan9/2028— 8,187 — 
Associations, Inc.First lien senior secured revolving loan7/202818,788 6,601 — 
AWP Group Holdings, Inc.First lien senior secured revolving loan12/20301,161 4,644 — 
Azurite Intermediate Holdings, Inc. (dba Alteryx, Inc.)First lien senior secured revolving loan3/2031— 1,995 (15)
Baker Tilly Advisory Group, LPFirst lien senior secured revolving loan6/2030— 20,935 (209)
Bamboo US BidCo LLCFirst lien senior secured revolving loan10/2029— 20,128 — 
Bayshore Intermediate #2, L.P. (dba Boomi)First lien senior secured revolving loan10/2027— 18,336 — 
BCPE Osprey Buyer, Inc. (dba PartsSource)First lien senior secured revolving loan8/20264,293 362 — 
BCPE Pequod Buyer, Inc. (dba Envestnet)First lien senior secured revolving loan11/2029— 16,634 (250)
BCTO BSI Buyer, Inc. (dba Buildertrend)First lien senior secured revolving loan12/2026— 161 — 
Belmont Buyer, Inc. (dba Valenz)First lien senior secured revolving loan6/20292,217 4,433 — 
Portfolio CompanyCommitment TypeCommitment Expiration DateFunded CommitmentUnfunded
Commitment
Fair Value(33)
Blast Bidco Inc. (dba Bazooka Candy Brands)First lien senior secured revolving loan10/2029— 4,179 — 
Brightway Holdings, LLCFirst lien senior secured revolving loan12/2027590 1,515 — 
BTRS Holdings Inc. (dba Billtrust)First lien senior secured revolving loan12/20282,531 2,531 — 
Cambrex CorporationFirst lien senior secured revolving loan3/2032— 29,133 (291)
Canadian Hospital Specialties LimitedFirst lien senior secured revolving loan4/2027254 158 — 
Catalis Intermediate, Inc. (fka GovBrands Intermediate, Inc.)First lien senior secured revolving loan8/2027303 577 — 
Certinia Inc.First lien senior secured revolving loan8/2030— 4,412 — 
CHA Vision Holdings, Inc. (fka FR Vision Holdings, Inc.)First lien senior secured revolving loan1/2030— 3,692 — 
CivicPlus, LLCFirst lien senior secured revolving loan8/2027— 2,244 — 
CMG HoldCo, LLC (dba Crete United)First lien senior secured revolving loan5/20282,344 6,310 — 
CoreTrust Purchasing Group LLCFirst lien senior secured revolving loan10/2029— 14,183 — 
Coupa Holdings, LLCFirst lien senior secured revolving loan2/2029— 1,664 — 
CPM Holdings, Inc.First lien senior secured revolving loan6/2028— 5,000 (93)
Creek Parent, Inc. (dba Catalent)First lien senior secured revolving loan12/2031— 42,297 (211)
CCM Midco, LLC (f/k/a Cresset Capital Management, LLC)First lien senior secured revolving loan6/2029— 2,239 — 
Crewline Buyer, Inc. (dba New Relic)First lien senior secured revolving loan11/2030— 17,226 (172)
CT Technologies Intermediate Holdings, Inc. (& Smart Holdings Corp.) (dba Datavant)First lien senior secured revolving loan8/2031— 30,115 — 
D4C Dental Brands, Inc.First lien senior secured revolving loan11/2029— 13,102 (131)
DCG ACQUISITION CORP. (dba DuBois Chemical)First lien senior secured revolving loan6/2031— 15,899 (79)
Denali BuyerCo, LLC (dba Summit Companies)First lien senior secured revolving loan9/2027— 9,963 (25)
Diamond Mezzanine 24 LLC (dba United Risk)First lien senior secured revolving loan10/2030— 6,175 — 
Disco Parent, Inc. (dba Duck Creek Technologies, Inc.)First lien senior secured revolving loan3/2029— 91 (1)
Dresser Utility Solutions, LLCFirst lien senior secured revolving loan3/2029— 10,552 (26)
DuraServ LLCFirst lien senior secured revolving loan6/2030— 24,256 (121)
Eagle Family Foods Group LLCFirst lien senior secured revolving loan8/2030— 20,344 — 
EET Buyer, Inc. (dba e-Emphasys)First lien senior secured revolving loan11/2027— 3,387 — 
Einstein Parent, Inc. (dba Smartsheet)First lien senior secured revolving loan1/2031— 7,949 (79)
Entrata, Inc.First lien senior secured revolving loan7/2028— 513 — 
Essential Services Holding Corporation (dba Turnpoint)First lien senior secured revolving loan6/2030697 3,660 — 
EresearchTechnology, Inc. (dba Clario)First lien senior secured revolving loan10/2031— 16,663 (167)
Evolution BuyerCo, Inc. (dba SIAA)First lien senior secured revolving loan4/2030— 12,968 — 
Fiesta Purchaser, Inc. (dba Shearer's Foods)First lien senior secured revolving loan2/2029— 16,615 (42)
Finastra USA, Inc.First lien senior secured revolving loan9/20294,298 12,794 — 
Forescout Technologies, Inc.First lien senior secured revolving loan5/2030— 1,320 (7)
Formerra, LLCFirst lien senior secured revolving loan11/2028— 526 (8)
Fortis Solutions Group, LLCFirst lien senior secured revolving loan10/20273,036 3,711 — 
Foundation Consumer Brands, LLCFirst lien senior secured revolving loan2/2029— 3,411 (34)
FR Flow Control CB LLC (dba Trillium Flow Technologies)First lien senior secured revolving loan12/2029— 23,160 (174)
Fullsteam Operations, LLCFirst lien senior secured revolving loan11/2029— 500 — 
Galls, LLCFirst lien senior secured revolving loan3/20303,139 12,558 — 
Galway Borrower LLCFirst lien senior secured revolving loan9/20282,049 4,217 — 
Gaylord Chemical Company, L.L.C.First lien senior secured revolving loan12/20272,066 1,907 — 
Portfolio CompanyCommitment TypeCommitment Expiration DateFunded CommitmentUnfunded
Commitment
Fair Value(33)
Gerson Lehrman Group, Inc.First lien senior secured revolving loan12/2027— 8,404 — 
GI Apple Midco LLC (dba Atlas Technical Consultants)First lien senior secured revolving loan4/20296,333 4,749 — 
GI Ranger Intermediate, LLC (dba Rectangle Health)First lien senior secured revolving loan10/2027— 1,673 (33)
Granicus, Inc.First lien senior secured revolving loan1/2031— 4,633 — 
GS Acquisitionco, Inc. (dba insightsoftware)First lien senior secured revolving loan5/2028— 247 (2)
Hercules Borrower, LLC (dba The Vincit Group)First lien senior secured revolving loan12/2026— 96 — 
Hissho Parent, LLCFirst lien senior secured revolving loan5/2029— 11,009 — 
Home Service TopCo IV, Inc.First lien senior secured revolving loan12/2027— 3,359 — 
Hyland Software, Inc.First lien senior secured revolving loan9/2029— 6,978 — 
Icefall Parent, Inc. (dba EngageSmart)First lien senior secured revolving loan1/2030— 2,749 — 
Ideal Image Development, LLCFirst lien senior secured revolving loan2/2029732 183 — 
Ideal Image Development, LLCFirst lien senior secured revolving loan2/2029953 145 — 
Ideal Image Development, LLC*First lien senior secured revolving loan2/202980 — — 
Ideal Tridon Holdings, Inc.First lien senior secured revolving loan4/2028— 8,630 — 
IG Investments Holdings, LLC (dba Insight Global)First lien senior secured revolving loan9/2028— 4,866 — 
Indigo Buyer, Inc. (dba Inovar Packaging Group)First lien senior secured revolving loan5/2028— 12,700 — 
Indikami Bidco, LLC (dba IntegriChain)First lien senior secured revolving loan6/20302,628 2,065 — 
Integrated Specialty Coverages, LLCFirst lien senior secured revolving loan7/2029— 5,934 — 
Integrity Marketing Acquisition, LLCFirst lien senior secured revolving loan8/2028— 17,886 — 
Intelerad Medical Systems Incorporated (fka 11849573 Canada Inc.)*First lien senior secured revolving loan8/20262,049 — — 
Interoperability Bidco, Inc. (dba Lyniate)First lien senior secured revolving loan3/20281,324 4,694 — 
IRI Group Holdings, Inc. (f/k/a Circana Group, L.P. (f/k/a The NPD Group, L.P.))First lien senior secured revolving loan12/20271,598 12,669 — 
JS Parent, Inc. (dba Jama Software)First lien senior secured revolving loan4/2031— 88 — 
KABAFUSION Parent, LLCFirst lien senior secured revolving loan11/2031— 8,903 (22)
KENE Acquisition, Inc. (dba Entrust Solutions Group)First lien senior secured revolving loan2/2031— 2,242 (28)
KRIV Acquisition Inc. (dba Riveron)First lien senior secured revolving loan7/2029— 10,944 — 
KWOL Acquisition, Inc. (dba Worldwide Clinical Trials)First lien senior secured revolving loan12/2029— 23,755 — 
KWOR Acquisition, Inc. (dba Alacrity Solutions)First lien senior secured revolving loan2/2030— 2,877 (14)
Lakefield Acquisition Corp. (dba Lakefield Veterinary Group)First lien senior secured revolving loan9/2029— 8,600 (43)
Lightbeam Bidco, Inc. (dba Lazer Spot)First lien senior secured revolving loan5/20293,116 8,569 — 
Lignetics Investment Corp.First lien senior secured revolving loan10/20267,647 3,824 — 
Litera Bidco LLCFirst lien senior secured revolving loan5/2028— 2,266 (6)
Magnet Forensics, LLC (f/k/a Grayshift, LLC)First lien senior secured revolving loan7/2028— 2,419 — 
ManTech International CorporationFirst lien senior secured revolving loan9/2028— 1,806 — 
Maple Acquisition, LLC (dba Medicus)First lien senior secured revolving loan5/2030— 15,336 — 
Mario Purchaser, LLC (dba Len the Plumber)First lien senior secured revolving loan4/20282,947 5,091 — 
MHE Intermediate Holdings, LLC (dba OnPoint Group)First lien senior secured revolving loan7/20271,429 2,143 — 
Milan Laser Holdings LLCFirst lien senior secured revolving loan4/2026— 2,553 (13)
Ministry Brands Holdings, LLCFirst lien senior secured revolving loan12/2027— 4,746 (36)
Portfolio CompanyCommitment TypeCommitment Expiration DateFunded CommitmentUnfunded
Commitment
Fair Value(33)
Minotaur Acquisition, Inc. (dba Inspira Financial)First lien senior secured revolving loan6/2030— 25,814 — 
Mitnick Corporate Purchaser, Inc.First lien senior secured revolving loan5/20271,125 8,250 — 
Monotype Imaging Holdings Inc.First lien senior secured revolving loan2/2030— 21,041 — 
Natural Partners, LLCFirst lien senior secured revolving loan11/2027— 11,814 — 
NELIPAK EUROPEAN HOLDINGS COÖPERATIEF U.A.First lien senior secured EUR revolving loan3/2031760 3,590 — 
Nelipak Holding CompanyFirst lien senior secured revolving loan3/20314,398 4,398 — 
Neptune Holdings, Inc. (dba NexTech)First lien senior secured revolving loan8/2029— 4,118 — 
NMI Acquisitionco, Inc. (dba Network Merchants)First lien senior secured revolving loan9/2028— 558 — 
Notorious Topco, LLC (dba Beauty Industry Group)First lien senior secured revolving loan5/20271,408 3,873 — 
OAC Holdings I Corp. (dba Omega Holdings)First lien senior secured revolving loan3/2028919 1,654 — 
OB Hospitalist Group, Inc.First lien senior secured revolving loan9/2027— 7,993 — 
Ole Smoky Distillery, LLCFirst lien senior secured revolving loan3/2028— 3,302 (25)
OneOncology, LLCFirst lien senior secured revolving loan6/2029— 41,243 (206)
Oranje Holdco, Inc. (dba KnowBe4)First lien senior secured revolving loan2/2029— 10,148 — 
Packaging Coordinators Midco, Inc.First lien senior secured revolving loan1/2032— 44,948 (618)
Paris US Holdco, Inc. (dba Precinmac)First lien senior secured revolving loan12/203190 8,941 — 
Park Place Technologies, LLCFirst lien senior secured revolving loan3/20302,361 7,757 — 
Patriot Acquisition TopCo S.A.R.L (dba Corza Health, Inc.)First lien senior secured revolving loan1/202847 41 — 
PDI TA Holdings, Inc.First lien senior secured revolving loan2/2031875 5,685 — 
Peter C. Foy & Associates Insurance Services, LLC (dba PCF Insurance Services)First lien senior secured revolving loan11/2027— 2,570 — 
PetVet Care Centers, LLCFirst lien senior secured revolving loan11/2029— 33,258 (1,829)
Phantom Purchaser, Inc.First lien senior secured revolving loan9/2031— 11,437 (29)
Ping Identity Holding Corp.First lien senior secured revolving loan10/2028— 6,597 — 
Plasma Buyer LLC (dba PathGroup)First lien senior secured revolving loan5/202810,116 2,066 — 
PPV Intermediate Holdings, LLCFirst lien senior secured revolving loan8/2029— 11,854 — 
Premise Health Holding Corp.First lien senior secured revolving loan2/2030— 8,191 (20)
Pye-Barker Fire & Safety, LLCFirst lien senior secured revolving loan5/20304,213 29,489 — 
Puma Buyer, LLC (dba PANTHERx)First lien senior secured revolving loan3/2032— 21,023 (158)
QAD, Inc.First lien senior secured revolving loan11/2027— 6,000 (15)
Quva Pharma, Inc.*First lien senior secured revolving loan4/2026455 — — 
Relativity ODA LLCFirst lien senior secured revolving loan5/2029— 2,797 (7)
Rhea Parent, Inc.First lien senior secured revolving loan12/2030— 21,596 (54)
RL Datix Holdings (USA), Inc.First lien senior secured revolving loan10/2030— 13,052 (98)
SailPoint Technologies Holdings, Inc.First lien senior secured revolving loan8/2028— 5,718 — 
Salinger Bidco Inc. (dba Surgical Information Systems)First lien senior secured revolving loan5/2031— 5,742 — 
Soleo Holdings, Inc.First lien senior secured revolving loan2/2032— 15,932 (80)
Securonix, Inc.First lien senior secured revolving loan4/2028120 5,219 — 
Sensor Technology Topco, Inc. (dba Humanetics)First lien senior secured revolving loan5/202810,114 10,448 — 
Severin Acquisition, LLC (dba PowerSchool)First lien senior secured revolving loan10/20312,449 13,877 — 
SimonMed, Inc.First lien senior secured revolving loan2/2031— 30,689 (153)
Simplicity Financial Marketing Group Holdings, Inc.First lien senior secured revolving loan12/2031— 20,119 (201)
Smarsh Inc.First lien senior secured revolving loan2/20291,439 9,357 — 
Portfolio CompanyCommitment TypeCommitment Expiration DateFunded CommitmentUnfunded
Commitment
Fair Value(33)
Soliant Lower Intermediate, LLC (dba Soliant)First lien senior secured revolving loan6/2031— 15,556 (330)
Sonny's Enterprises, LLCFirst lien senior secured revolving loan8/202715,023 10,879 — 
Southern Air & Heat Holdings, LLCFirst lien senior secured revolving loan10/202762 220 — 
Spaceship Purchaser, Inc. (dba Squarespace)First lien senior secured revolving loan10/2031— 14,965 — 
Spotless Brands, LLCFirst lien senior secured revolving loan7/2028— 2,244 — 
STS PARENT, LLC (dba STS Aviation Group)First lien senior secured revolving loan10/20308,824 6,196 — 
SWK BUYER, Inc. (dba Stonewall Kitchen)First lien senior secured revolving loan3/2029— 5,579 (98)
Tamarack Intermediate, L.L.C. (dba Verisk 3E)First lien senior secured revolving loan3/2028— 5,336 (27)
TBRS, Inc. (dba TEAM Technologies)First lien senior secured revolving loan11/20301,255 19,662 — 
TC Holdings, LLC (dba TrialCard)First lien senior secured revolving loan4/2027— 16,473 — 
Tempo Buyer Corp. (dba Global Claims Services)First lien senior secured revolving loan8/2027— 5,159 — 
The Shade Store, LLCFirst lien senior secured revolving loan10/20282,463 8,339 — 
THG Acquisition, LLC (dba Hilb)First lien senior secured revolving loan10/2031474 9,884 — 
Thunder Purchaser, Inc. (dba Vector Solutions)First lien senior secured revolving loan6/2027— 1,021 — 
Tricentis Operations Holdings, Inc.First lien senior secured revolving loan2/2032— 6,284 (63)
Troon Golf, L.L.C.First lien senior secured revolving loan8/2028— 27,449 — 
Truist Insurance Holdings, LLCFirst lien senior secured revolving loan5/2029896 6,123 — 
Unified Women's Healthcare, LPFirst lien senior secured revolving loan6/2029— 8,120 — 
USIC Holdings, Inc.First lien senior secured revolving loan9/20312,621 2,207 — 
USRP Holdings, Inc. (dba U.S. Retirement and Benefits Partners)First lien senior secured revolving loan12/2029— 4,975 — 
Velocity HoldCo III Inc. (dba VelocityEHS)First lien senior secured revolving loan4/2027— 142 — 
Vessco Midco Holdings, LLCFirst lien senior secured revolving loan7/2031— 7,962 (40)
Vital Bidco AB (dba Vitamin Well)First lien senior secured revolving loan10/203012,908 40,004 — 
Walker Edison Furniture Company LLC*First lien senior secured revolving loan3/20271,333 — — 
When I Work, Inc.First lien senior secured revolving loan11/2027— 4,164 (146)
Zendesk, Inc.First lien senior secured revolving loan11/2028— 14,587 — 
Non-controlled/affiliated - revolving debt commitments
Pluralsight, LLCFirst lien senior secured revolving loan8/2029— 198 — 
Non-controlled/non-affiliated - equity commitments
Chrome Investors LPLP InterestN/A7,339 1,835 — 
Controlled/affiliated - equity commitments
AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLCLLC InterestN/A26,517 56,604 — 
AAM Series 2.1 Aviation Feeder, LLCLLC InterestN/A24,663 16,166 — 
LSI Financing LLCCommon EquityN/A216,313 4,500 — 
Total Portfolio Company Commitments$827,401 $3,986,585 $(12,008)
[13] The negative cost and fair value results from unamortized fees, which are capitalized to the investment cost of unfunded commitments.
[14] Position or portion thereof is a partially unfunded debt or equity commitment. See Note 7 “Commitments and Contingencies”.
Portfolio CompanyCommitment TypeCommitment Expiration Date
Funded Commitment
Unfunded
Commitment
Fair Value(34)
Non-controlled/non-affiliated - delayed draw debt commitments
ACR Group Borrower, LLCFirst lien senior secured delayed draw term loan5/2025$733 $100 $— 
Aerosmith Bidco 1 Limited (dba Audiotonix)First lien senior secured delayed draw term loan7/2027— 108,341 (85)
AI Titan Parent, Inc. (dba Prometheus Group)First lien senior secured delayed draw term loan9/2026— 6,792 (34)
Alera Group, Inc.First lien senior secured delayed draw term loan11/202543,250 2,446 — 
AlphaSense, Inc.First lien senior secured delayed draw term loan6/2029— 716 (7)
AlphaSense, Inc.First lien senior secured delayed draw term loan12/2025— 707 (7)
AmeriLife Holdings LLCFirst lien senior secured delayed draw term loan6/202615,740 16,715 — 
AmSpec Parent, LLCFirst lien senior secured delayed draw term loan12/2027— 5,333 (13)
Appfire Technologies, LLCFirst lien senior secured delayed draw term loan3/2025— 5,562 — 
Appfire Technologies, LLCFirst lien senior secured delayed draw term loan6/2026— 2,688 — 
Aptean Acquiror, Inc. (dba Aptean)First lien senior secured delayed draw term loan1/20261,419 3,974 — 
Artifact Bidco, Inc. (dba Avetta)First lien senior secured delayed draw term loan7/2027— 3,793 — 
Associations, Inc.First lien senior secured delayed draw term loan7/20285,288 26,398 — 
Baker Tilly Advisory Group, L.P.First lien senior secured delayed draw term loan6/2026— 14,940 — 
Bamboo US BidCo LLCFirst lien senior secured delayed draw term loan11/2026— 26,912 — 
Bamboo US BidCo LLCFirst lien senior secured delayed draw term loan3/20258,941 6,173 — 
BCPE Osprey Buyer, Inc. (dba PartsSource)First lien senior secured delayed draw term loan10/20254,568 21,926 — 
Belmont Buyer, Inc. (dba Valenz)First lien senior secured delayed draw term loan1/2026— 11,083 — 
BradyPLUS Holdings, LLC (f/k/a BradyIFS Holdings, LLC)First lien senior secured delayed draw term loan10/20251,109 4,049 — 
BTRS HOLDINGS INC. (dba Billtrust)First lien senior secured delayed draw term loan12/2028913 4 — 
Capstone Acquisition Holdings, Inc.First lien senior secured delayed draw term loan8/2026— 1,789 — 
CHA Vision Holdings, Inc. (fka FR Vision Holdings, Inc.)First lien senior secured delayed draw term loan1/20266,205 8,530 — 
Chrysaor Bidco s.à r.l. (dba AlterDomus)First lien senior secured delayed draw term loan5/2026— 689 — 
CMG HoldCo, LLC (dba Crete United)First lien senior secured delayed draw term loan10/2026— 10,141 (101)
Portfolio CompanyCommitment TypeCommitment Expiration Date
Funded Commitment
Unfunded
Commitment
Fair Value(34)
CMG HoldCo, LLC (dba Crete United)First lien senior secured delayed draw term loan11/202514,420 10,916 — 
Computer Services, Inc. (dba CSI)First lien senior secured delayed draw term loan2/2026— 25,566 — 
CoreTrust Purchasing Group LLCFirst lien senior secured delayed draw term loan5/2026— 23,639 — 
Coupa Holdings, LLCFirst lien senior secured delayed draw term loan8/2025— 2,174 — 
Cresset Capital Management, LLCFirst lien senior secured delayed draw term loan9/2025— 7,612 — 
Cresset Capital Management, LLCFirst lien senior secured delayed draw term loan6/2026— 4,478 — 
CT Technologies Intermediate Holdings, Inc. (& Smart Holdings Corp.) (dba Datavant)First lien senior secured delayed draw term loan8/2026— 12,046 (30)
Databricks, Inc.First lien senior secured delayed draw term loan7/2026— 16,531 (83)
DCG ACQUISITION CORP. (dba DuBois Chemical)First lien senior secured delayed draw term loan6/2026— 15,899 — 
Diamond Mezzanine 24 LLC (dba United Risk)First lien senior secured delayed draw term loan10/2026— 24,700 — 
Dresser Utility Solutions, LLCFirst lien senior secured delayed draw term loan9/2025— 7,537 — 
DuraServ LLCFirst lien senior secured delayed draw term loan6/202624,034 24,418 — 
EET Buyer, Inc. (dba e-Emphasys)First lien senior secured delayed draw term loan4/2026— 8,523 — 
Endries Acquisition, Inc.First lien senior secured delayed draw term loan12/2025— 8,048 (60)
Essential Services Holding Corporation (dba Turnpoint)First lien senior secured delayed draw term loan6/2026— 6,970 (35)
Evolution BuyerCo, Inc. (dba SIAA)First lien senior secured delayed draw term loan12/2025727 3,671 — 
Faraday Buyer, LLC (dba MacLean Power Systems)First lien senior secured delayed draw term loan11/2025— 14,307 — 
FR Flow Control CB LLC (dba Trillium Flow Technologies)First lien senior secured delayed draw term loan6/2026— 28,307 — 
Fullsteam Operations, LLCFirst lien senior secured delayed draw term loan8/2025464 4,536 — 
Fullsteam Operations, LLCFirst lien senior secured delayed draw term loan2/2026354 896 — 
Galls, LLCFirst lien senior secured delayed draw term loan3/20264,312 34,926 — 
Galway Borrower LLCFirst lien senior secured delayed draw term loan7/2026895 48,838 — 
Gehl Foods, LLCFirst lien senior secured delayed draw term loan12/20253,639 5,458 — 
GI Apple Midco LLC (dba Atlas Technical Consultants)First lien senior secured delayed draw term loan4/20251,724 14,090 — 
GS Acquisitionco, Inc. (dba insightsoftware)First lien senior secured delayed draw term loan3/202672 254 — 
Indigo Buyer, Inc. (dba Inovar Packaging Group)First lien senior secured delayed draw term loan7/2026— 13,434 — 
Indikami Bidco, LLC (dba IntegriChain)First lien senior secured delayed draw term loan12/2025375 6,194 — 
Integrated Specialty Coverages, LLCFirst lien senior secured delayed draw term loan1/2025— 1,780 — 
Integrated Specialty Coverages, LLCFirst lien senior secured delayed draw term loan4/2026— 22,020 — 
Integrity Marketing Acquisition, LLCFirst lien senior secured delayed draw term loan8/2026— 53,446 — 
Portfolio CompanyCommitment TypeCommitment Expiration Date
Funded Commitment
Unfunded
Commitment
Fair Value(34)
Interoperability Bidco, Inc. (dba Lyniate)First lien senior secured delayed draw term loan6/2026— 5,079 (127)
Kaseya Inc.First lien senior secured delayed draw term loan6/2025847 3,230 — 
KENE Acquisition, Inc. (dba Entrust Solutions Group)First lien senior secured delayed draw term loan2/2026777 6,695 — 
KPSKY Acquisition, Inc. (dba BluSky)First lien senior secured delayed draw term loan11/202573 6,054 — 
Lakefield Acquisition Corp. (dba Lakefield Veterinary Group)First lien senior secured delayed draw term loan9/2026344 51,256 — 
Lightbeam Bidco, Inc. (dba Lazer Spot)First lien senior secured delayed draw term loan5/202519,608 27,285 — 
Litera Bidco LLCFirst lien senior secured delayed draw term loan11/20264,485 5,067 — 
Litera Bidco LLCFirst lien senior secured delayed draw term loan5/2027— 3,981 (10)
ManTech International CorporationFirst lien senior secured delayed draw term loan6/2025— 2,164 — 
Maple Acquisition, LLC (dba Medicus)First lien senior secured delayed draw term loan5/2026— 20,448 — 
Mario Purchaser, LLC (dba Len the Plumber)First lien senior secured delayed draw term loan10/20252,659 24,114 — 
Minotaur Acquisition, Inc. (dba Inspira Financial)First lien senior secured delayed draw term loan5/2026— 41,960 — 
Monotype Imaging Holdings Inc.First lien senior secured delayed draw term loan2/20263,268 10,759 — 
NELIPAK EUROPEAN HOLDINGS COÖPERATIEF U.A.First lien senior secured EUR delayed draw term loan3/2027— 22,358 (279)
Nelipak Holding CompanyFirst lien senior secured delayed draw term loan3/2027— 11,787 (147)
OneOncology, LLCFirst lien senior secured delayed draw term loan10/202635,851 35,494 — 
Paris US Holdco, Inc. (dba Precinmac)First lien senior secured delayed draw term loan12/2026— 18,063 (90)
Park Place Technologies, LLCFirst lien senior secured delayed draw term loan9/2025— 13,490 — 
Patriot Acquisition TopCo S.A.R.L (dba Corza Health, Inc.)First lien senior secured delayed draw term loan8/202513,680 3,429 — 
PDI TA Holdings, Inc.First lien senior secured delayed draw term loan2/20268,328 6,584 — 
PerkinElmer U.S. LLCFirst lien senior secured delayed draw term loan5/202621,371 7,141 — 
PetVet Care Centers, LLCFirst lien senior secured delayed draw term loan11/2025— 31,691 (1,030)
Plasma Buyer LLC (dba PathGroup)First lien senior secured delayed draw term loan9/20253,247 816 — 
Pye-Barker Fire & Safety, LLCFirst lien senior secured delayed draw term loan5/202656,865 102,734 — 
Raven Acquisition Holdings, LLC (dba R1 RCM)First lien senior secured delayed draw term loan10/2026— 5,667 — 
RL Datix Holdings (USA), Inc.First lien senior secured delayed draw term loan4/2027— 14,908 — 
Salinger Bidco Inc. (dba Surgical Information Systems)First lien senior secured delayed draw term loan8/2026— 5,742 — 
Sensor Technology Topco, Inc. (dba Humanetics)First lien senior secured EUR delayed draw term loan9/2025172 834 — 
Sensor Technology Topco, Inc. (dba Humanetics)First lien senior secured delayed draw term loan9/2025790 3,987 — 
Severin Acquisition, LLC (dba PowerSchool)First lien senior secured delayed draw term loan10/2027— 27,209 (136)
Portfolio CompanyCommitment TypeCommitment Expiration Date
Funded Commitment
Unfunded
Commitment
Fair Value(34)
Simplicity Financial Marketing Group Holdings, Inc.First lien senior secured delayed draw term loan12/2026— 40,238 (201)
Smarsh Inc.First lien senior secured delayed draw term loan2/202510,381 10,381 — 
Sonny's Enterprises, LLCFirst lien senior secured delayed draw term loan6/20263,592 41,416 — 
Southern Air & Heat Holdings, LLCFirst lien senior secured delayed draw term loan7/202510,526 20,889 — 
Spaceship Purchaser, Inc. (dba Squarespace)First lien senior secured delayed draw term loan10/2026— 7,482 — 
Spaceship Purchaser, Inc. (dba Squarespace)First lien senior secured delayed draw term loan10/2027— 17,957 (45)
STS PARENT, LLC (dba STS Aviation Group)First lien senior secured delayed draw term loan10/2026— 37,550 (94)
TBRS, Inc. (dba TEAM Technologies)First lien senior secured delayed draw term loan11/2026— 37,652 (94)
THG Acquisition, LLC (dba Hilb)First lien senior secured delayed draw term loan10/2026— 20,716 (104)
Thunder Purchaser, Inc. (dba Vector Solutions)First lien senior secured delayed draw term loan10/2026— 27,432 — 
Troon Golf, L.L.C.First lien senior secured delayed draw term loan9/202627,449 27,449 — 
Unified Women's Healthcare, LPFirst lien senior secured delayed draw term loan3/202662,572 9,208 — 
Unified Women's Healthcare, LPFirst lien senior secured delayed draw term loan10/2026— 53,400 (200)
USIC Holdings, Inc.First lien senior secured delayed draw term loan9/2026148 2,089 — 
USRP Holdings, Inc. (dba U.S. Retirement and Benefits Partners)First lien senior secured delayed draw term loan8/2026— 13,971 — 
Vensure Employer Services, Inc.First lien senior secured delayed draw term loan9/2031— 34,388 (189)
Vessco Midco Holdings, LLCFirst lien senior secured delayed draw term loan7/20266,290 17,595 — 
Walker Edison Furniture Company LLCFirst lien senior secured delayed draw term loan3/2027966 216 — 
Zendesk, Inc.First lien senior secured delayed draw term loan11/2025— 35,425 — 
Non-controlled/affiliated - delayed draw debt commitments
Pluralsight, LLCFirst lien senior secured delayed draw term loan8/2029— 496 — 
Non-controlled/non-affiliated - revolving debt commitments
ACR Group Borrower, LLCFirst lien senior secured revolving loan3/2026— 875 (15)
Activate Holdings (US) Corp. (dba Absolute Software)First lien senior secured revolving loan7/2029— 352 — 
Aerosmith Bidco 1 Limited (dba Audiotonix)First lien senior secured revolving loan7/2030— 44,919 (112)
AI Titan Parent, Inc. (dba Prometheus Group)First lien senior secured revolving loan8/2031— 4,245 (42)
AmeriLife Holdings LLCFirst lien senior secured revolving loan8/2028— 16,273 (81)
Anaplan, Inc.First lien senior secured revolving loan6/2028— 16,528 — 
Appfire Technologies, LLCFirst lien senior secured revolving loan3/2028117 1,516 — 
Aptean Acquiror, Inc. (dba Aptean)First lien senior secured revolving loan1/2031— 7,282 (18)
Artifact Bidco, Inc. (dba Avetta)First lien senior secured revolving loan7/2030— 2,710 (14)
Ascend Buyer, LLC (dba PPC Flexible Packaging)First lien senior secured revolving loan9/20271,702 3,404 — 
Associations, Inc.First lien senior secured revolving loan7/202812,695 12,695 — 
Avalara, Inc.First lien senior secured revolving loan10/2028— 7,045 — 
AWP Group Holdings, Inc.First lien senior secured revolving loan12/2030290 5,515 — 
Azurite Intermediate Holdings, Inc. (dba Alteryx, Inc.)First lien senior secured revolving loan3/2031— 1,995 (15)
Portfolio CompanyCommitment TypeCommitment Expiration Date
Funded Commitment
Unfunded
Commitment
Fair Value(34)
Baker Tilly Advisory Group, L.P.First lien senior secured revolving loan6/2030— 20,935 (105)
Bamboo US BidCo LLCFirst lien senior secured revolving loan10/2029— 20,128 — 
Bayshore Intermediate #2, L.P. (dba Boomi)First lien senior secured revolving loan10/2027— 18,336 — 
BCPE Osprey Buyer, Inc. (dba PartsSource)First lien senior secured revolving loan8/20263,103 1,552 — 
BCPE Pequod Buyer, Inc. (dba Envestnet)First lien senior secured revolving loan11/2029— 16,634 (83)
BCTO BSI Buyer, Inc. (dba Buildertrend)First lien senior secured revolving loan12/2026— 161 — 
Belmont Buyer, Inc. (dba Valenz)First lien senior secured revolving loan6/20292,217 4,433 — 
Blast Bidco Inc. (dba Bazooka Candy Brands)First lien senior secured revolving loan10/2029— 4,179 — 
Brightway Holdings, LLCFirst lien senior secured revolving loan12/2027842 1,263 — 
Broadcast Music, Inc. (fka Otis Merger Sub, Inc.)First lien senior secured revolving loan2/2030— 6,271 (47)
BTRS HOLDINGS INC. (dba Billtrust)First lien senior secured revolving loan12/2028434 723 — 
Canadian Hospital Specialties LimitedFirst lien senior secured revolving loan4/2027255 158 — 
Catalis Intermediate, Inc. (fka GovBrands Intermediate, Inc.)First lien senior secured revolving loan8/2027303 577 — 
Certinia Inc.First lien senior secured revolving loan8/2029— 4,412 — 
CHA Vision Holdings, Inc. (fka FR Vision Holdings, Inc.)First lien senior secured revolving loan1/2030— 3,692 — 
CivicPlus, LLCFirst lien senior secured revolving loan8/2027— 2,244 — 
CMG HoldCo, LLC (dba Crete United)First lien senior secured revolving loan5/20281,442 7,211 — 
CoreTrust Purchasing Group LLCFirst lien senior secured revolving loan10/2029— 14,183 — 
Coupa Holdings, LLCFirst lien senior secured revolving loan2/2029— 1,664 — 
CPM Holdings, Inc.First lien senior secured revolving loan6/2028— 5,000 (161)
Creek Parent, Inc. (dba Catalent)First lien senior secured revolving loan12/2031— 42,297 (740)
Cresset Capital Management, LLCFirst lien senior secured revolving loan6/2029— 2,239 — 
Crewline Buyer, Inc. (dba New Relic)First lien senior secured revolving loan11/2030— 17,226 (215)
CT Technologies Intermediate Holdings, Inc. (& Smart Holdings Corp.) (dba Datavant)First lien senior secured revolving loan8/2031— 30,115 (75)
D4C Dental Brands, Inc.First lien senior secured revolving loan11/2029— 11,346 (113)
DCG ACQUISITION CORP. (dba DuBois Chemical)First lien senior secured revolving loan6/2031— 15,899 (79)
Denali BuyerCo, LLC (dba Summit Companies)First lien senior secured revolving loan9/2027— 9,963 — 
Diamond Mezzanine 24 LLC (dba United Risk)*First lien senior secured revolving loan10/20306,175 — — 
Disco Parent, Inc. (dba Duck Creek Technologies, Inc.)First lien senior secured revolving loan3/2029— 91 (1)
Dresser Utility Solutions, LLCFirst lien senior secured revolving loan3/2029— 10,552 (26)
DuraServ LLCFirst lien senior secured revolving loan6/2030— 24,256 (121)
Eagle Family Foods Group LLCFirst lien senior secured revolving loan8/2030— 20,344 (102)
EET Buyer, Inc. (dba e-Emphasys)First lien senior secured revolving loan11/2027— 3,387 — 
Entrata, Inc.First lien senior secured revolving loan7/2028— 513 — 
Essential Services Holding Corporation (dba Turnpoint)First lien senior secured revolving loan6/2030— 4,357 (44)
Evolution BuyerCo, Inc. (dba SIAA)First lien senior secured revolving loan4/2027— 676 — 
Fiesta Purchaser, Inc. (dba Shearer's Foods)First lien senior secured revolving loan2/2029— 16,615 (3)
Finastra USA, Inc.First lien senior secured revolving loan9/202910,631 6,461 — 
Forescout Technologies, Inc.First lien senior secured revolving loan5/2030— 1,320 (7)
Formerra, LLCFirst lien senior secured revolving loan11/2028— 526 (7)
Fortis Solutions Group, LLCFirst lien senior secured revolving loan10/20272,361 4,385 — 
FR Flow Control CB LLC (dba Trillium Flow Technologies)First lien senior secured revolving loan12/2029— 23,160 (174)
Fullsteam Operations, LLCFirst lien senior secured revolving loan11/2029— 500 — 
Galls, LLCFirst lien senior secured revolving loan3/2030— 15,697 — 
Galway Borrower LLCFirst lien senior secured revolving loan9/2028524 5,742 — 
Gaylord Chemical Company, L.L.C.First lien senior secured revolving loan12/20272,066 1,907 — 
Gerson Lehrman Group, Inc.First lien senior secured revolving loan12/2027— 8,404 (21)
Portfolio CompanyCommitment TypeCommitment Expiration Date
Funded Commitment
Unfunded
Commitment
Fair Value(34)
GI Apple Midco LLC (dba Atlas Technical Consultants)First lien senior secured revolving loan4/20294,274 6,807 — 
GI Ranger Intermediate, LLC (dba Rectangle Health)First lien senior secured revolving loan10/2027195 1,478 — 
Granicus, Inc.First lien senior secured revolving loan1/2031— 4,633 — 
GS Acquisitionco, Inc. (dba insightsoftware)First lien senior secured revolving loan5/2028— 247 (2)
Hercules Borrower, LLC (dba The Vincit Group)First lien senior secured revolving loan12/2026— 96 — 
Hissho Parent, LLCFirst lien senior secured revolving loan5/2029— 11,009 — 
Home Service TopCo IV, Inc.First lien senior secured revolving loan12/2027— 3,359 — 
Hyland Software, Inc.First lien senior secured revolving loan9/2029— 6,978 — 
Icefall Parent, Inc. (dba EngageSmart)First lien senior secured revolving loan1/2030— 2,749 — 
Ideal Image Development, LLCFirst lien senior secured revolving loan2/2029732 183 — 
Ideal Image Development, LLC*First lien senior secured revolving loan2/202933 — — 
Ideal Tridon Holdings, Inc.First lien senior secured revolving loan4/2028— 8,630 — 
IG Investments Holdings, LLC (dba Insight Global)First lien senior secured revolving loan9/2028— 4,866 — 
Indigo Buyer, Inc. (dba Inovar Packaging Group)First lien senior secured revolving loan5/2028— 12,700 — 
Indikami Bidco, LLC (dba IntegriChain)First lien senior secured revolving loan6/20301,689 3,003 — 
Integrated Specialty Coverages, LLCFirst lien senior secured revolving loan7/2029— 5,934 — 
Integrity Marketing Acquisition, LLCFirst lien senior secured revolving loan8/2028— 17,886 — 
Intelerad Medical Systems Incorporated (fka 11849573 Canada Inc.)*First lien senior secured revolving loan8/20262,049 — — 
Interoperability Bidco, Inc. (dba Lyniate)First lien senior secured revolving loan3/2028313 5,705 — 
IRI Group Holdings, Inc. (f/k/a Circana Group, L.P. (f/k/a The NPD Group, L.P.))First lien senior secured revolving loan12/20272,517 11,750 — 
JS Parent, Inc. (dba Jama Software)First lien senior secured revolving loan4/2031— 88 — 
KABAFUSION Parent, LLCFirst lien senior secured revolving loan11/2031— 8,903 (89)
Kaseya Inc.First lien senior secured revolving loan6/20291,097 3,256 — 
KENE Acquisition, Inc. (dba Entrust Solutions Group)First lien senior secured revolving loan2/2031— 2,242 (28)
KRIV Acquisition Inc. (dba Riveron)First lien senior secured revolving loan7/2029— 10,944 — 
KWOL Acquisition Inc. (dba Worldwide Clinical Trials)First lien senior secured revolving loan12/2029— 23,568 — 
KWOR Acquisition, Inc. (dba Alacrity Solutions)*First lien senior secured revolving loan12/20273,415 — — 
Lakefield Acquisition Corp. (dba Lakefield Veterinary Group)First lien senior secured revolving loan9/2029— 8,600 (43)
Lightbeam Bidco, Inc. (dba Lazer Spot)First lien senior secured revolving loan5/2029— 11,685 — 
Lignetics Investment Corp.First lien senior secured revolving loan11/20268,412 3,059 — 
Litera Bidco LLCFirst lien senior secured revolving loan5/2028— 2,266 (6)
Magnet Forensics, LLC (f/k/a Grayshift, LLC)First lien senior secured revolving loan7/2028— 2,419 — 
ManTech International CorporationFirst lien senior secured revolving loan9/2028— 1,806 — 
Maple Acquisition, LLC (dba Medicus)First lien senior secured revolving loan5/2030— 15,336 — 
Mario Purchaser, LLC (dba Len the Plumber)First lien senior secured revolving loan4/20282,411 5,627 — 
MHE Intermediate Holdings, LLC (dba OnPoint Group)First lien senior secured revolving loan7/2027714 2,857 — 
Milan Laser Holdings LLCFirst lien senior secured revolving loan4/2026— 2,553 — 
Ministry Brands Holdings, LLCFirst lien senior secured revolving loan12/2027— 4,746 (36)
Minotaur Acquisition, Inc. (dba Inspira Financial)First lien senior secured revolving loan6/2030— 25,814 (129)
Mitnick Corporate Purchaser, Inc.First lien senior secured revolving loan5/20271,700 7,675 — 
Monotype Imaging Holdings Inc.First lien senior secured revolving loan2/2030— 21,041 (53)
Natural Partners, LLCFirst lien senior secured revolving loan11/2027— 11,814 (59)
NELIPAK EUROPEAN HOLDINGS COÖPERATIEF U.A.First lien senior secured EUR revolving loan3/20311,367 2,803 — 
Nelipak Holding CompanyFirst lien senior secured revolving loan3/20313,695 5,102 — 
Portfolio CompanyCommitment TypeCommitment Expiration Date
Funded Commitment
Unfunded
Commitment
Fair Value(34)
Neptune Holdings, Inc. (dba NexTech)First lien senior secured revolving loan8/2029— 4,118 — 
NMI Acquisitionco, Inc. (dba Network Merchants)First lien senior secured revolving loan9/2028— 558 — 
Notorious Topco, LLC (dba Beauty Industry Group)First lien senior secured revolving loan5/2027— 5,282 (581)
OAC Holdings I Corp. (dba Omega Holdings)First lien senior secured revolving loan3/2028— 2,572 (19)
OB Hospitalist Group, Inc.First lien senior secured revolving loan9/2027— 7,993 (20)
Ole Smoky Distillery, LLCFirst lien senior secured revolving loan3/2028— 3,302 (25)
OneOncology, LLCFirst lien senior secured revolving loan6/2029— 14,269 — 
Oranje Holdco, Inc. (dba KnowBe4)First lien senior secured revolving loan2/2029— 10,148 — 
Paris US Holdco, Inc. (dba Precinmac)First lien senior secured revolving loan12/2031— 9,032 (90)
Park Place Technologies, LLCFirst lien senior secured revolving loan3/20302,900 7,217 — 
Patriot Acquisition TopCo S.A.R.L (dba Corza Health, Inc.)First lien senior secured revolving loan1/2028— 88 — 
PDI TA Holdings, Inc.First lien senior secured revolving loan2/2031— 6,560 (66)
Peter C. Foy & Associates Insurance Services, LLC (dba PCF Insurance Services)First lien senior secured revolving loan11/2027— 2,570 — 
PetVet Care Centers, LLCFirst lien senior secured revolving loan11/2029— 33,258 (1,413)
Phantom Purchaser, Inc.First lien senior secured revolving loan9/2031— 11,437 (86)
Ping Identity Holding Corp.First lien senior secured revolving loan10/2028— 6,597 — 
Plasma Buyer LLC (dba PathGroup)First lien senior secured revolving loan5/20286,853 5,384 — 
PPV Intermediate Holdings, LLCFirst lien senior secured revolving loan8/2029— 11,854 — 
Premise Health Holding Corp.First lien senior secured revolving loan2/2030— 8,191 (20)
Pye-Barker Fire & Safety, LLCFirst lien senior secured revolving loan5/20304,213 29,489 — 
QAD, Inc.First lien senior secured revolving loan11/2027— 6,000 (15)
Quva Pharma, Inc.First lien senior secured revolving loan4/2026382 73 — 
Relativity ODA LLCFirst lien senior secured revolving loan5/2029— 2,797 (7)
Rhea Parent, Inc.First lien senior secured revolving loan12/2030— 43,315 (433)
RL Datix Holdings (USA), Inc.First lien senior secured revolving loan10/20301,650 11,403 — 
SailPoint Technologies Holdings, Inc.First lien senior secured revolving loan8/2028— 5,718 — 
Salinger Bidco Inc. (dba Surgical Information Systems)First lien senior secured revolving loan5/2031— 5,742 (14)
Securonix, Inc.First lien senior secured revolving loan4/2028120 5,219 — 
Sensor Technology Topco, Inc. (dba Humanetics)First lien senior secured revolving loan5/202813,312 7,249 — 
Severin Acquisition, LLC (dba PowerSchool)First lien senior secured revolving loan10/2031— 16,326 (163)
Simplicity Financial Marketing Group Holdings, Inc.First lien senior secured revolving loan12/2031— 20,119 (201)
Smarsh Inc.First lien senior secured revolving loan2/2029332 498 — 
Soliant Lower Intermediate, LLC (dba Soliant)First lien senior secured revolving loan6/2031— 15,556 (156)
Sonny's Enterprises, LLCFirst lien senior secured revolving loan8/20276,475 19,426 — 
Southern Air & Heat Holdings, LLCFirst lien senior secured revolving loan10/202762 220 — 
Spaceship Purchaser, Inc. (dba Squarespace)First lien senior secured revolving loan10/2031— 14,965 (75)
Spotless Brands, LLCFirst lien senior secured revolving loan7/2028— 2,244 (6)
STS PARENT, LLC (dba STS Aviation Group)First lien senior secured revolving loan10/20306,947 8,073 — 
SWK BUYER, Inc. (dba Stonewall Kitchen)First lien senior secured revolving loan3/2029— 5,579 (167)
Tamarack Intermediate, L.L.C. (dba Verisk 3E)First lien senior secured revolving loan3/2028— 5,336 (27)
TBRS, Inc. (dba TEAM Technologies)First lien senior secured revolving loan11/20301,255 19,662 — 
TC Holdings, LLC (dba TrialCard)First lien senior secured revolving loan4/2027— 16,473 — 
Tempo Buyer Corp. (dba Global Claims Services)First lien senior secured revolving loan8/2027— 5,159 — 
The Shade Store, LLCFirst lien senior secured revolving loan10/20282,592 8,209 — 
THG Acquisition, LLC (dba Hilb)First lien senior secured revolving loan10/2031769 9,589 — 
Thunder Purchaser, Inc. (dba Vector Solutions)First lien senior secured revolving loan6/2027— 1,021 — 
Troon Golf, L.L.C.First lien senior secured revolving loan8/2028— 27,449 — 
Truist Insurance Holdings, LLCFirst lien senior secured revolving loan5/2029— 7,019 — 
Portfolio CompanyCommitment TypeCommitment Expiration Date
Funded Commitment
Unfunded
Commitment
Fair Value(34)
Unified Women's Healthcare, LPFirst lien senior secured revolving loan6/2029— 8,120 — 
USIC Holdings, Inc.First lien senior secured revolving loan9/20311,104 3,725 — 
USRP Holdings, Inc. (dba U.S. Retirement and Benefits Partners)First lien senior secured revolving loan12/2029— 4,975 — 
Velocity HoldCo III Inc. (dba VelocityEHS)First lien senior secured revolving loan4/2026— 142 — 
Vessco Midco Holdings, LLCFirst lien senior secured revolving loan7/2031— 7,962 (40)
Vital Bidco AB (dba Vitamin Well)First lien senior secured revolving loan10/203012,908 40,004 — 
Walker Edison Furniture Company LLC*First lien senior secured revolving loan3/20271,333 — — 
When I Work, Inc.First lien senior secured revolving loan11/2027— 4,164 (146)
Zendesk, Inc.First lien senior secured revolving loan11/2028— 14,587 — 
Non-controlled/affiliated - revolving debt commitments
Pluralsight, LLCFirst lien senior secured revolving loan8/2029— 198 — 
Controlled/affiliated - equity commitments
AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLCLLC InterestN/A26,763 59,032 — 
AAM Series 2.1 Aviation Feeder, LLCLLC InterestN/A25,601 27,444 — 
LSI Financing LLCCommon EquityN/A288,704 5,738 — 
Total Portfolio Company Commitments$917,516 $3,192,745 $(9,837)
[15] The interest rate on these investments is subject to 3 month SOFR, which as of December 31, 2024 was 4.31%.
[16] Investment is non-income producing.
[17] Unless otherwise indicated, 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 Secured Overnight Financing Rate (“SOFR” or “S”) (which can include one-, three-, six- or twelve-month SOFR), Euro Interbank Offered Rate (“EURIBOR” or “E”), Canadian Overnight Repo Rate Average (“CORRA” or “C”) (which can include one- or three-month CORRA), Australian Bank Bill Swap Bid Rate (“BBSY” or “B”) (which can include one-, three-, or six-month BBSY), Sterling (SP) Overnight Interbank Average Rate (“SONIA” or “SA”) or an alternate base rate (which can include the Federal Funds Effective Rate or the Prime Rate (“Prime” or “P”), at the borrower’s option, and which reset periodically based on the terms of the loan agreement.
[18] 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 (“non-controlled affiliate”). Transactions related to investments in non-controlled affiliates for the period ended March 31, 2025 were as follows:
CompanyFair value as of December 31, 2024
Gross Additions(a)
Gross Reductions(b)
Net Change in Unrealized Gain/(Loss)Realized Gain/(Loss)Fair value as of March 31, 2025Dividend IncomeInterest and PIK IncomeOther Income
LSI Financing 1 DAC$4,771 $1 $— $(82)$— $4,690 $— $— $— 
Pluralsight, LLC3,477 43 — — — 3,520 — 64 — 
Total$8,248 $44 $— $(82)$— $8,210 $— $64 $— 
        
________
(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.
[19] 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.
[20] 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.
[21] 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 investments in controlled affiliates for the period ended March 31, 2025 were as follows:
CompanyFair value as of December 31, 2024
Gross Additions(a)
Gross Reductions(b)
Net Change in Unrealized Gain/(Loss)Realized Gain/(Loss)Fair value as of March 31, 2025Dividend IncomeInterest and PIK IncomeOther Income
AAM Series 2.1 Aviation Feeder, LLC(c)
$77,680 $11,279 $(938)$3,761 $— $91,782 $— $1,406 $— 
AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC(c)
75,112 2,429 (85)4,997 — 82,453 — 1,359 — 
Blue Owl Credit SLF LLC4,294 1,231 — (198)— 5,327 166 — — 
Fifth Season Investments LLC223,274 21,027 — 982 — 245,283 8,061 — — 
LSI Financing LLC293,775 4,861 (77,251)3,537 — 224,922 7,070 — — 
OCIC SLF LLC (fka Blue Owl Credit Income Senior Loan Fund LLC)311,609 — — (19,354)— 292,255 9,590 — — 
Total$985,744 $40,827 $(78,274)$(6,275)$— $942,022 $24,887 $2,765 $— 
________
(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) 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.
[22] Investment does not contain a variable rate structure.
[23] This portfolio company is not a qualifying asset under Section 55(a) of the 1940 Act. Under the 1940 Act, the Company may not acquire any non-qualifying asset unless, at the time such acquisition is made, qualifying assets
represent at least 70% of total assets. As of March 31, 2025, non-qualifying assets represented 12.4% of total assets as calculated in accordance with the regulatory requirements.
[24] Investment does not contain a variable rate structure.
[25] 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 investments in controlled affiliates for the period ended December 31, 2024 were as follows:
CompanyFair value as of December 31, 2023
Gross Additions(a)
Gross Reductions(b)
Net Change in Unrealized Gain/(Loss)Realized Gain/(Loss)Fair value as of December 31, 2024Dividend IncomeInterest and PIK IncomeOther Income
AAM Series 2.1 Aviation Feeder, LLC(c)$78,476 $50,774 $(57,983)$6,413 $— $77,680 $— $4,970 $— 
AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC(c)64,839 10,236 (3,475)3,512 — 75,112 — 5,035 — 
Blue Owl Credit SLF LLC— 11,781 (7,510)23 — 4,294 80 — — 
Fifth Season Investments LLC156,794 115,658 (70,093)20,915 — 223,274 23,832 — — 
LSI Financing LLC— 397,270 (108,567)5,072 — 293,775 1,511 — — 
OCIC SLF LLC (fka Blue Owl Credit Income Senior Loan Fund LLC)273,441 53,375 — (15,207)— 311,609 53,039 — — 
Total$573,550 $639,094 $(247,628)$20,728 $— $985,744 $78,462 $10,005 $— 
[26] This portfolio company is not a qualifying asset under Section 55(a) of the 1940 Act. Under the 1940 Act, the Company may not acquire any non-qualifying asset unless, at the time such acquisition is made, qualifying assets represent at least 70% of total assets. As of December 31, 2024, non-qualifying assets represented 13.2% of total assets as calculated in accordance with the regulatory requirements.
[27] Investment is non-income producing.
[28] Security acquired in transaction exempt from registration under the Securities Act of 1933, and may be deemed to be “restricted security” under the Securities Act. As of December 31, 2024, the aggregate fair value of these securities is $1.51 billion, or 10.4% 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
Accelerate Topco Holdings, LLCCommon UnitsSeptember 1, 2022
Amergin Asset Management, LLCClass A UnitsJuly 1, 2022
ASP Conair Holdings LPClass A UnitsMay 17, 2021
AlphaSense, LLCSeries E Preferred SharesJune 27, 2024
BCTO WIW Holdings, Inc. (dba When I Work)Class A Common StockNovember 2, 2021
BEHP Co-Investor II, L.P.LP InterestMay 6, 2022
Blue Owl Credit SLF LLC*LLC InterestMay 6, 2024
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
Denali Holding, LP (dba Summit Companies)Class A UnitsSeptember 14, 2021
Dodge Construction Network Holdings, L.P.Class A-2 Common UnitsFebruary 23, 2022
Dodge Construction Network Holdings, L.P.Series A Preferred UnitsFebruary 23, 2022
Elliott Alto Co-Investor Aggregator L.P.LP InterestSeptember 28, 2022
Portfolio CompanyInvestmentAcquisition Date
Evolution Parent, LP (dba SIAA)LP InterestApril 30, 2021
Fifth Season Investments LLC**Class A UnitsOctober 17, 2022
Gloves Holdings, LP (dba Protective Industrial Products)LP InterestDecember 28, 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
Hockey Parent Holdings, L.P.Class A UnitsSeptember 14, 2023
Ideal Topco, L.P.Class A-1 Preferred UnitsFebruary 20, 2024
Ideal Topco, L.P.Class A-2 Common UnitsFebruary 20, 2024
Insight CP (Blocker) Holdings, L.P. (dba CivicPlus, LLC)LP InterestJune 8, 2022
Knockout Intermediate Holdings I Inc. (dba Kaseya Inc.)Perpetual Preferred StockJune 22, 2022
KOBHG Holdings, L.P. (dba OB Hospitalist)Class A InterestsSeptember 27, 2021
KPCI Holdings, L.P.Class A UnitsNovember 25, 2020
KWOL Acquisition Inc. (dba Worldwide Clinical Trials)Class A InterestDecember 12, 2023
LSI Financing 1 DAC**Preferred equityDecember 14, 2022
LSI Financing LLC**Common EquityNovember 25, 2024
Maia Aggregator, LPClass A-2 UnitsFebruary 1, 2022
Bird Holding B.V. (fka MessageBird Holding B.V.)Extended Series C WarrantsMay 5, 2021
Metis HoldCo, Inc. (dba Mavis Tire Express Services)Series A Convertible Preferred StockMay 3, 2021
Minerva Holdco, Inc.Series A Preferred StockFebruary 14, 2022
Orange Blossom Parent, Inc.Common EquityJuly 29, 2022
OCIC SLF LLC (fka Blue Owl Credit Income Senior Loan Fund LLC)*LLC InterestNovember 2, 2022
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)Series A Preferred UnitsFebruary 16, 2023
PCF Holdco, LLC (dba PCF Insurance Services)Class A UnitsNovember 1, 2021
PCF Holdco, LLC (dba PCF Insurance Services)Class A Unit WarrantsFebruary 16, 2023
Paradigmatic Holdco LLC (dba Pluralsight)Common stockAugust 22, 2024
Project Alpine Co-Invest Fund, LPLP InterestJune 13, 2022
Project Hotel California Co-Invest Fund, L.P.LP InterestAugust 9, 2022
Rhea Acquisition Holdings, LPSeries A-2 UnitsFebruary 18, 2022
Romulus Intermediate Holdings 1 Inc. (dba PetVet Care Centers)Series A Preferred StockNovember 15, 2023
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
Vestwell Holdings, Inc.Series D Preferred StockDecember 20, 2023
Walker Edison Holdco LLCCommon EquityMarch 1, 2023
WMC Bidco, Inc. (dba West Monroe)Senior Preferred StockNovember 9, 2021
WP Irving Co-Invest, L.P.Partnership UnitsMay 18, 2022
XOMA CorporationWarrantsDecember 15, 2023
Zoro TopCo, L.P.Class A Common UnitsNovember 22, 2022
Zoro TopCo, Inc.Series A Preferred StockNovember 22, 2022
* Refer to Note 4 “Investments - OCIC SLF LLC” and “Investments - Blue Owl Credit SLF LLC”, for further information.
** Refer to Note 3 “Agreements and Related Party Transactions - Controlled/Affiliated Portfolio Companies”.
[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] Security acquired in transaction exempt from registration under the Securities Act of 1933, and may be deemed to be “restricted security” under the Securities Act. As of March 31, 2025, the aggregate fair value of these securities is $1.54 billion, or 9.5% 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
Accelerate Topco Holdings, LLCCommon UnitsSeptember 1, 2022
Amergin Asset Management, LLCClass A UnitsJuly 1, 2022
ASP Conair Holdings LPClass A UnitsMay 17, 2021
AlphaSense, LLCSeries E Preferred SharesJune 27, 2024
BCTO WIW Holdings, Inc. (dba When I Work)Class A Common StockNovember 2, 2021
BEHP Co-Investor II, L.P.LP InterestMay 6, 2022
Blue Owl Credit SLF LLC*LLC InterestMay 6, 2024
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
Chrome Investors LPLP InterestJanuary 25, 2025
Denali Holding, LP (dba Summit Companies)Class A UnitsSeptember 14, 2021
Dodge Construction Network Holdings, L.P.Class A-2 Common UnitsMarch 16, 2022
Dodge Construction Network Holdings, L.P.Series A Preferred UnitsMarch 16, 2022
Elliott Alto Co-Investor Aggregator L.P.LP InterestSeptember 28, 2022
Evolution Parent, LP (dba SIAA)LP InterestApril 30, 2021
Fifth Season Investments LLC**Class A UnitsOctober 17, 2022
Gloves Holdings, LP (dba Protective Industrial Products)LP InterestDecember 28, 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
Hockey Parent Holdings, L.P.Class A Common UnitsSeptember 14, 2023
Ideal Topco, L.P.Class A-1 Preferred UnitsFebruary 20, 2024
Ideal Topco, L.P.Class A-2 Common UnitsFebruary 20, 2024
Insight CP (Blocker) Holdings, L.P. (dba CivicPlus, LLC)LP InterestJune 8, 2022
Knockout Intermediate Holdings I Inc. (dba Kaseya Inc.)Perpetual Preferred StockJune 22, 2022
KWOR Intermediate I, Inc. (dba Alacrity Solutions)Preferred StockFebruary 28, 2025
KWOR Intermediate I, Inc. (dba Alacrity Solutions)Class A-1 Common StockFebruary 28, 2025
KOBHG Holdings, L.P. (dba OB Hospitalist)Class A InterestsSeptember 27, 2021
KPCI Holdings, L.P.Class A UnitsNovember 25, 2020
KWOL Acquisition, Inc. (dba Worldwide Clinical Trials)Class A InterestDecember 12, 2023
Lakefield Acquisition Corp. (dba Lakefield Veterinary Group)Common EquityJanuary 8, 2025
LSI Financing 1 DAC**Preferred equityDecember 14, 2022
LSI Financing LLC**Common EquityNovember 25, 2024
Maia Aggregator, LPClass A-2 UnitsFebruary 1, 2022
Bird Holding B.V. (fka MessageBird Holding B.V.)Extended Series C WarrantsMay 5, 2021
Metis HoldCo, Inc. (dba Mavis Tire Express Services)Series A Convertible Preferred StockMay 3, 2021
Minerva Holdco, Inc.Senior A Preferred StockFebruary 14, 2022
Orange Blossom Parent, Inc.Common UnitsJuly 29, 2022
OCIC SLF LLC (fka Blue Owl Credit Income Senior Loan Fund LLC)*LLC InterestNovember 2, 2022
Patriot Holdings SCSp (dba Corza Health, Inc.)Class A UnitsJanuary 29, 2021
Portfolio CompanyInvestmentAcquisition Date
Patriot Holdings SCSp (dba Corza Health, Inc.)Class B UnitsJanuary 29, 2021
PCF Holdco, LLC (dba PCF Insurance Services)Preferred equityFebruary 16, 2023
PCF Holdco, LLC (dba PCF Insurance Services)Class A UnitsNovember 1, 2021
PCF Holdco, LLC (dba PCF Insurance Services)WarrantsFebruary 16, 2023
Paradigmatic Holdco LLC (dba Pluralsight)Common stockAugust 22, 2024
Project Alpine Co-Invest Fund, LPLP InterestJune 13, 2022
Project Hotel California Co-Invest Fund, L.P.LP InterestAugust 9, 2022
Rhea Acquisition Holdings, LPSeries A-2 UnitsFebruary 18, 2022
Romulus Intermediate Holdings 1 Inc. (dba PetVet Care Centers)Series A Preferred StockNovember 15, 2023
Sunshine Software Holdings, Inc. (dba Cornerstone OnDemand, Inc.)Series A Preferred StockOctober 14, 2021
TCB Holdings I LLC (dba TricorBraun)Class A Preferred UnitsJanuary 31, 2025
Thunder Topco L.P. (dba Vector Solutions)Common UnitsJune 30, 2021
Vestwell Holdings, Inc.Series D Preferred StockDecember 20, 2023
Walker Edison Holdco LLCCommon UnitsMarch 1, 2023
WMC Bidco, Inc. (dba West Monroe)Senior Preferred StockNovember 9, 2021
WP Irving Co-Invest, L.P.Partnership UnitsMay 18, 2022
XOMA CorporationWarrantsDecember 15, 2023
Zoro TopCo, L.P.Class A Common UnitsNovember 22, 2022
Zoro TopCo, Inc.Series A Preferred EquityNovember 22, 2022
*Refer to Note 4 “Investments - OCIC SLF LLC”, for further information.
** Refer to Note 3 “Agreements and Related Party Transactions - Controlled/Affiliated Portfolio Companies”.
[31] The interest rate on these investments is subject to 1 month SOFR, which as of March 31, 2025 was 4.32%.
[32] Level 2 Investment.
[33] This portfolio company was not a co-investment made with the Company’s affiliates in accordance with the terms of exemptive relief that the Company received from the U.S. Securities and Exchange Commission.
[34] The interest rate on these investments is subject to 1 month SOFR, which as of December 31, 2024 was 4.33%.
[35] Level 2 Investment.
[36] The interest rate on these investments is subject to 6 month SOFR, which as of March 31, 2025 was 4.19%.
[37] The interest rate on these investments is subject to SONIA, which as of December 31, 2024 was 4.70%.
[38] The interest rate on these investments is subject to SONIA, which as of March 31, 2025 was 4.46%.
[39] The interest rate on these investments is subject to 3 month EURIBOR, which as of March 31, 2025 was 2.34%.
[40] The interest rate on these investments is subject to 3 month EURIBOR, which as of December 31, 2024 was 2.71%.
[41] This portfolio company was not a co-investment made with the Company’s affiliates in accordance with the terms of exemptive relief that the Company received from the U.S. Securities and Exchange Commission.
[42] The interest rate on these investments is subject to 6 month SOFR, which as of December 31, 2024 was 4.25%.
[43] Investment measured at net asset value (“NAV”).
[44] Investment measured at net asset value (“NAV”).
[45] The interest rate on these investments is subject to 3 month CORRA, which as of March 31, 2025 was 2.66%.
[46] The interest rate on these investments is subject to 3 month CORRA, which as of December 31, 2024 was 3.15%.
[47] The interest rate on these investments is subject to 6 month EURIBOR, which as of March 31, 2025 was 2.34%.
[48] The interest rate on these investments is subject to 6 month EURIBOR, which as of December 31, 2024 was 2.57%.
[49] The interest rate on these investments is subject to Prime, which as of December 31, 2024 was 7.50%.
[50] Investment was on non-accrual status as of March 31, 2025.
[51] Investment is not pledged as collateral under the Company’s Amended and Restated Senior Secured Revolving Credit Agreement (the “Revolving Credit Facility”, credit facilities to which certain of our subsidiaries are parties (the “SPV Asset Facilities”) and collateral loan obligation transactions (“CLOs”).
[52] Investment is not pledged as collateral under the Company’s Amended and Restated Senior Secured Revolving Credit Agreement (the “Revolving Credit Facility”, credit facilities to which certain of our subsidiaries are parties (the “SPV Asset Facilities”) and collateral loan obligation transactions (“CLOs”).
[53] 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.
[54] 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.
[55] The interest rate on these investments is subject to 12 month SOFR, which as of December 31, 2024 was 4.18%.
[56]
(32)Investment was on non-accrual status as of December 31, 2024.
[57] 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 (“non-controlled affiliate”). Transactions related to investments in non-controlled affiliates for the period ended December 31, 2024 were as follows:
CompanyFair value as of December 31, 2023
Gross Additions(a)
Gross Reductions(b)
Net Change in Unrealized Gain/(Loss)Realized Gain/(Loss)Fair value as of December 31, 2024Dividend IncomeInterest and PIK IncomeOther Income
LSI Financing 1 DAC$78,406 $22,288 $(100,694)$(6,093)$10,864 $4,771 $486 $74 $— 
Pluralsight, LLC— 3,477 — — — 3,477 — 96 — 
Total$78,406 $25,765 $(100,694)$(6,093)$10,864 $8,248 $486 $170 $— 
[58] The interest rate on these investments is subject to 1 month EURIBOR, which as of March 31, 2025 was 2.36%.
[59] The interest rate on these investments is subject to 1 month EURIBOR, which as of December 31, 2024 was 2.85%.
[60] The interest rate on these investments is subject to Prime, which as of March 31, 2025 was 7.50%.
[61] The interest rate on these investments is subject to 3 month BBSY, which as of March 31, 2025 was 4.13%.
[62] The interest rate on these investments is subject to 3 month BBSY, which as of December 31, 2024 was 4.42%.