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Consolidated Schedule of Investments
€ in Thousands, £ in Thousands
 9 Months Ended
Sep. 30, 2023
USD ($)
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Sep. 30, 2023
EUR (€)
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Sep. 30, 2023
GBP (£)
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Dec. 31, 2022
USD ($)
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Dec. 31, 2021
USD ($)
Schedule of Investments [Line Items]          
Amortized Cost $ 12,822,871,000 [1],[2],[3],[4],[5],[6]     $ 13,046,132,000 [7],[8],[9],[10],[11]  
Fair Value $ 12,896,158,000 [2],[4],[5],[6]     $ 13,010,345,000 [8],[10],[11]  
Percentage of Net Assets 214.20% [2],[4],[5],[6] 214.20% [2],[4],[5],[6] 214.20% [2],[4],[5],[6] 220.40% [8],[10],[11]  
Notional Amount $ 900,000,000     $ 900,000,000  
Change in Unrealized Appreciation / (Depreciation) 5,476,000        
Interest Rate Swap | Unsecured debt investments | 2024 Notes          
Schedule of Investments [Line Items]          
Fair Value (6,900,000)     (13,100,000)  
Interest Rate Swap | Unsecured debt investments | 2027 Notes          
Schedule of Investments [Line Items]          
Fair Value $ (57,100,000)     $ (56,400,000)  
Interest Rate Swap | Designated as Hedging Instrument | Unsecured debt investments | 2024 Notes          
Schedule of Investments [Line Items]          
Fixed interest rate 5.25% 5.25% 5.25% 5.25%  
Notional Amount $ 400,000,000     $ 400,000,000  
Fair Value (6,893,000)        
Upfront Payments/Receipts 0        
Change in Unrealized Appreciation / (Depreciation) $ 6,200,000        
Interest Rate Swap | Designated as Hedging Instrument | Unsecured debt investments | 2024 Notes | SOFR          
Schedule of Investments [Line Items]          
Basis spread on variable rate 3.051% 3.051% 3.051%    
Interest Rate Swap | Designated as Hedging Instrument | Unsecured debt investments | 2024 Notes | LIBOR          
Schedule of Investments [Line Items]          
Basis spread on variable rate       2.937%  
Interest Rate Swap | Designated as Hedging Instrument | Unsecured debt investments | 2027 Notes          
Schedule of Investments [Line Items]          
Fixed interest rate 2.63% 2.63% 2.63% 2.63%  
Notional Amount $ 500,000,000     $ 500,000,000  
Fair Value (57,103,000)        
Upfront Payments/Receipts 0        
Change in Unrealized Appreciation / (Depreciation) $ (724,000)        
Interest Rate Swap | Designated as Hedging Instrument | Unsecured debt investments | 2027 Notes | SOFR          
Schedule of Investments [Line Items]          
Basis spread on variable rate 1.769% 1.769% 1.769%    
Interest Rate Swap | Designated as Hedging Instrument | Unsecured debt investments | 2027 Notes | LIBOR          
Schedule of Investments [Line Items]          
Basis spread on variable rate       1.655%  
Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Amortized Cost $ 11,500,055,000     $ 12,133,062,000  
Fair Value $ 11,471,820,000     $ 12,010,369,000  
Percentage of Net Assets 190.50% 190.50% 190.50% 203.50%  
Investment income from controlled, affiliated investments:          
Schedule of Investments [Line Items]          
Amortized Cost $ 1,303,464,000     $ 906,846,000  
Fair Value $ 1,404,533,000     $ 993,801,000 $ 616,780,000
Percentage of Net Assets 23.40% 23.40% 23.40% 15.40%  
Non-controlled, affiliated investments          
Schedule of Investments [Line Items]          
Amortized Cost $ 19,352,000     $ 6,224,000  
Fair Value $ 19,805,000     $ 6,175,000 0
Percentage of Net Assets 0.30% 0.30% 0.30% 0.10%  
Controlled/affiliated portfolio company investments          
Schedule of Investments [Line Items]          
Par / Units       $ 81,106,000  
Amortized Cost $ 233,828,000     80,295,000  
Fair Value $ 235,023,000     $ 80,292,000  
Percentage of Net Assets 3.90% 3.90% 3.90% 1.30%  
Debt Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Par / Units       $ 11,660,738,000  
Amortized Cost $ 10,834,557,000     11,513,192,000  
Fair Value $ 10,699,689,000     $ 11,307,884,000  
Percentage of Net Assets 177.80% 177.80% 177.80% 191.80%  
Equity Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Amortized Cost $ 665,498,000     $ 619,870,000  
Fair Value $ 772,131,000     $ 702,485,000  
Percentage of Net Assets 12.70% 12.70% 12.70% 11.70%  
Equity Securities | Investment income from controlled, affiliated investments:          
Schedule of Investments [Line Items]          
Amortized Cost $ 1,069,636,000     $ 826,551,000  
Fair Value $ 1,169,510,000     $ 913,509,000  
Percentage of Net Assets 19.50% 19.50% 19.50% 14.10%  
Advertising and media | Debt Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Par / Units       $ 31,323,000  
Amortized Cost $ 26,216,000     30,695,000  
Fair Value $ 26,487,000     $ 30,819,000  
Percentage of Net Assets 0.40% 0.40% 0.40% 0.50%  
Advertising and media | Debt Securities | Controlled/affiliated portfolio company investments          
Schedule of Investments [Line Items]          
Par / Units       $ 64,058,000  
Amortized Cost $ 62,498,000     63,611,000  
Fair Value $ 62,723,000     $ 63,881,000  
Percentage of Net Assets 1.00% 1.00% 1.00% 1.00%  
Advertising and media | Equity Securities | Investment income from controlled, affiliated investments:          
Schedule of Investments [Line Items]          
Amortized Cost $ 48,007,000     $ 48,008,000  
Fair Value $ 97,691,000     $ 97,799,000  
Percentage of Net Assets 1.60% 1.60% 1.60% 1.70%  
Aerospace and defense | Debt Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Par / Units       $ 397,273,000  
Amortized Cost $ 400,188,000     394,171,000  
Fair Value $ 380,913,000     $ 359,699,000  
Percentage of Net Assets 6.40% 6.40% 6.40% 6.00%  
Aerospace and defense | Equity Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Amortized Cost $ 3,003,000     $ 3,003,000  
Fair Value $ 4,533,000     $ 4,214,000  
Percentage of Net Assets 0.10% 0.10% 0.10% 0.10%  
Asset based lending and fund finance | Debt Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Par / Units       $ 212,194,000  
Amortized Cost $ 253,882,000     233,090,000  
Fair Value $ 234,563,000     $ 210,691,000  
Percentage of Net Assets 3.90% 3.90% 3.90% 3.60%  
Asset based lending and fund finance | Debt Securities | Controlled/affiliated portfolio company investments          
Schedule of Investments [Line Items]          
Amortized Cost $ 36,380,000        
Fair Value $ 36,380,000        
Percentage of Net Assets 0.60% 0.60% 0.60%    
Asset based lending and fund finance | Equity Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Amortized Cost $ 1,000     $ 0  
Fair Value $ 0     $ 0  
Percentage of Net Assets 0.00% 0.00% 0.00% 0.00%  
Asset based lending and fund finance | Equity Securities | Investment income from controlled, affiliated investments:          
Schedule of Investments [Line Items]          
Amortized Cost $ 459,795,000     $ 365,724,000  
Fair Value $ 536,918,000     $ 433,099,000  
Percentage of Net Assets 8.90% 8.90% 8.90% 7.30%  
Automotive | Debt Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Amortized Cost $ 47,406,000        
Fair Value $ 47,746,000        
Percentage of Net Assets 0.80% 0.80% 0.80%    
Automotive | Equity Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Amortized Cost $ 206,015,000     $ 196,850,000  
Fair Value $ 216,004,000     $ 195,632,000  
Percentage of Net Assets 3.60% 3.60% 3.60% 3.30%  
Buildings and real estate | Debt Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Par / Units       $ 424,596,000  
Amortized Cost $ 433,635,000     420,585,000  
Fair Value $ 433,567,000     $ 421,955,000  
Percentage of Net Assets 7.20% 7.20% 7.20% 7.30%  
Buildings and real estate | Equity Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Amortized Cost $ 62,827,000     $ 57,252,000  
Fair Value $ 63,189,000     $ 57,541,000  
Percentage of Net Assets 1.00% 1.00% 1.00% 0.90%  
Business services | Debt Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Par / Units       $ 416,177,000  
Amortized Cost $ 382,507,000     374,770,000  
Fair Value $ 367,413,000     $ 355,900,000  
Percentage of Net Assets 6.10% 6.10% 6.10% 6.00%  
Business services | Equity Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Amortized Cost $ 21,044,000     $ 19,290,000  
Fair Value $ 23,160,000     $ 20,471,000  
Percentage of Net Assets 0.40% 0.40% 0.40% 0.30%  
Chemicals | Debt Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Par / Units       $ 202,055,000  
Amortized Cost $ 167,520,000     200,103,000  
Fair Value $ 167,461,000     $ 201,693,000  
Percentage of Net Assets 2.90% 2.90% 2.90% 3.50%  
Consumer products | Debt Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Par / Units       $ 524,482,000  
Amortized Cost $ 514,632,000     520,237,000  
Fair Value $ 498,056,000     $ 499,934,000  
Percentage of Net Assets 8.40% 8.40% 8.40% 8.50%  
Consumer products | Equity Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Amortized Cost $ 6,071,000     $ 6,071,000  
Fair Value $ 5,736,000     $ 5,444,000  
Percentage of Net Assets 0.10% 0.10% 0.10% 0.10%  
Containers and packaging | Debt Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Par / Units       $ 170,840,000  
Amortized Cost $ 168,724,000     168,410,000  
Fair Value $ 170,509,000     $ 168,848,000  
Percentage of Net Assets 2.90% 2.90% 2.90% 2.90%  
Distribution | Debt Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Par / Units       $ 520,875,000  
Amortized Cost $ 449,331,000     515,686,000  
Fair Value $ 450,498,000     $ 520,141,000  
Percentage of Net Assets 7.40% 7.40% 7.40% 8.70%  
Distribution | Debt Securities | Controlled/affiliated portfolio company investments          
Schedule of Investments [Line Items]          
Par / Units       $ 17,048,000  
Amortized Cost $ 16,556,000     16,684,000  
Fair Value $ 16,018,000     $ 16,411,000  
Percentage of Net Assets 0.30% 0.30% 0.30% 0.30%  
Distribution | Equity Securities | Investment income from controlled, affiliated investments:          
Schedule of Investments [Line Items]          
Amortized Cost $ 4,300,000     $ 4,300,000  
Fair Value $ 3,425,000     $ 3,950,000  
Percentage of Net Assets 0.10% 0.10% 0.10% 0.10%  
Education | Debt Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Par / Units       $ 129,535,000  
Amortized Cost $ 102,636,000     128,236,000  
Fair Value $ 99,925,000     $ 126,804,000  
Percentage of Net Assets 1.70% 1.70% 1.70% 2.20%  
Financial services | Debt Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Par / Units       $ 667,958,000  
Amortized Cost $ 588,302,000     665,440,000  
Fair Value $ 588,366,000     $ 655,820,000  
Percentage of Net Assets 9.80% 9.80% 9.80% 11.10%  
Financial services | Equity Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Amortized Cost $ 1,975,000     $ 1,975,000  
Fair Value $ 100,000     $ 109,000  
Percentage of Net Assets 0.00% 0.00% 0.00% 0.00%  
Food and beverage | Debt Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Par / Units       $ 901,558,000  
Amortized Cost $ 874,314,000     891,554,000  
Fair Value $ 817,851,000     $ 855,808,000  
Percentage of Net Assets 13.50% 13.50% 13.50% 14.40%  
Food and beverage | Equity Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Amortized Cost $ 10,949,000     $ 10,949,000  
Fair Value $ 6,368,000     $ 9,420,000  
Percentage of Net Assets 0.10% 0.10% 0.10% 0.20%  
Healthcare equipment and services | Debt Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Par / Units       $ 474,441,000  
Amortized Cost $ 473,605,000     470,775,000  
Fair Value $ 469,874,000     $ 459,786,000  
Percentage of Net Assets 7.80% 7.80% 7.80% 7.60%  
Healthcare equipment and services | Equity Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Amortized Cost $ 42,138,000     $ 40,855,000  
Fair Value $ 46,494,000     $ 44,474,000  
Percentage of Net Assets 0.80% 0.80% 0.80% 0.70%  
Healthcare providers and services | Debt Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Par / Units       $ 589,971,000  
Amortized Cost $ 587,877,000     581,925,000  
Fair Value $ 586,001,000     $ 578,266,000  
Percentage of Net Assets 9.50% 9.50% 9.50% 9.90%  
Healthcare providers and services | Equity Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Amortized Cost $ 6,670,000     $ 6,670,000  
Fair Value $ 5,884,000     $ 6,196,000  
Percentage of Net Assets 0.10% 0.10% 0.10% 0.10%  
Healthcare technology | Debt Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Par / Units       $ 614,821,000  
Amortized Cost $ 601,172,000     605,400,000  
Fair Value $ 600,895,000     $ 603,087,000  
Percentage of Net Assets 10.00% 10.00% 10.00% 10.20%  
Healthcare technology | Equity Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Amortized Cost       $ 9,870,000  
Fair Value       $ 9,254,000  
Percentage of Net Assets       0.10%  
Healthcare technology | Equity Securities | Non-controlled, affiliated investments          
Schedule of Investments [Line Items]          
Amortized Cost       $ 6,224,000  
Fair Value       $ 6,175,000  
Percentage of Net Assets       0.10%  
Household products | Debt Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Par / Units       $ 319,547,000  
Amortized Cost $ 240,981,000     312,347,000  
Fair Value $ 244,493,000     $ 273,745,000  
Percentage of Net Assets 4.10% 4.10% 4.10% 4.70%  
Household products | Debt Securities | Controlled/affiliated portfolio company investments          
Schedule of Investments [Line Items]          
Amortized Cost $ 32,478,000        
Fair Value $ 33,898,000        
Percentage of Net Assets 0.60% 0.60% 0.60%    
Household products | Equity Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Amortized Cost $ 2,160,000     $ 2,160,000  
Fair Value $ 2,065,000     $ 2,771,000  
Percentage of Net Assets 0.00% 0.00% 0.00% 0.00%  
Household products | Equity Securities | Investment income from controlled, affiliated investments:          
Schedule of Investments [Line Items]          
Amortized Cost $ 23,762,000        
Fair Value $ 14,206,000        
Percentage of Net Assets 0.20% 0.20% 0.20%    
Human resource support services | Debt Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Par / Units       $ 167,811,000  
Amortized Cost $ 163,600,000     165,340,000  
Fair Value $ 154,719,000     $ 162,498,000  
Percentage of Net Assets 2.60% 2.60% 2.60% 2.70%  
Human resource support services | Equity Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Amortized Cost $ 45,067,000     $ 40,538,000  
Fair Value $ 39,328,000     $ 37,469,000  
Percentage of Net Assets 0.70% 0.70% 0.70% 0.60%  
Infrastructure and environmental services | Debt Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Par / Units       $ 173,624,000  
Amortized Cost $ 63,456,000     173,321,000  
Fair Value $ 60,715,000     $ 157,732,000  
Percentage of Net Assets 1.00% 1.00% 1.00% 2.70%  
Infrastructure and environmental services | Debt Securities | Controlled/affiliated portfolio company investments          
Schedule of Investments [Line Items]          
Amortized Cost $ 85,916,000        
Fair Value $ 86,004,000        
Percentage of Net Assets 1.40% 1.40% 1.40%    
Infrastructure and environmental services | Equity Securities | Investment income from controlled, affiliated investments:          
Schedule of Investments [Line Items]          
Amortized Cost $ 24,058,000        
Fair Value $ 24,058,000        
Percentage of Net Assets 0.40% 0.40% 0.40%    
Insurance | Debt Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Par / Units       $ 1,075,197,000  
Amortized Cost $ 1,019,231,000     1,058,643,000  
Fair Value $ 1,015,918,000     $ 1,053,299,000  
Percentage of Net Assets 16.80% 16.80% 16.80% 18.10%  
Insurance | Equity Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Amortized Cost $ 68,796,000     $ 47,632,000  
Fair Value $ 95,445,000     $ 73,098,000  
Percentage of Net Assets 1.60% 1.60% 1.60% 1.20%  
Internet software and services | Debt Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Par / Units       $ 1,640,487,000  
Amortized Cost $ 1,520,335,000     1,619,825,000  
Fair Value $ 1,529,641,000     $ 1,621,277,000  
Percentage of Net Assets 25.60% 25.60% 25.60% 27.30%  
Internet software and services | Equity Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Amortized Cost $ 114,703,000     $ 113,187,000  
Fair Value $ 112,469,000     $ 111,125,000  
Percentage of Net Assets 1.70% 1.70% 1.70% 1.90%  
Leisure and entertainment | Debt Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Par / Units       $ 280,236,000  
Amortized Cost $ 237,419,000     279,033,000  
Fair Value $ 237,012,000     $ 280,236,000  
Percentage of Net Assets 4.00% 4.00% 4.00% 4.80%  
Manufacturing | Debt Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Par / Units       $ 640,556,000  
Amortized Cost $ 606,577,000     629,537,000  
Fair Value $ 608,491,000     $ 634,855,000  
Percentage of Net Assets 10.00% 10.00% 10.00% 10.90%  
Manufacturing | Equity Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Amortized Cost $ 63,569,000     $ 63,568,000  
Fair Value $ 141,059,000     $ 125,267,000  
Percentage of Net Assets 2.40% 2.40% 2.40% 2.20%  
Oil and gas | Debt Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Par / Units       $ 102,672,000  
Amortized Cost $ 44,007,000     101,851,000  
Fair Value $ 44,052,000     $ 102,672,000  
Percentage of Net Assets 0.70% 0.70% 0.70% 1.80%  
Professional services | Debt Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Par / Units       $ 464,813,000  
Amortized Cost $ 498,561,000     459,963,000  
Fair Value $ 501,181,000     $ 459,426,000  
Percentage of Net Assets 8.30% 8.30% 8.30% 7.80%  
Specialty retail | Debt Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Par / Units       $ 293,283,000  
Amortized Cost $ 283,330,000     290,196,000  
Fair Value $ 277,880,000     $ 289,229,000  
Percentage of Net Assets 4.50% 4.50% 4.50% 4.80%  
Transportation | Debt Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Par / Units       $ 224,413,000  
Amortized Cost $ 85,113,000     222,059,000  
Fair Value $ 85,462,000     $ 223,664,000  
Percentage of Net Assets 1.50% 1.50% 1.50% 3.80%  
Healthcare technology | Equity Securities | Investment income from non-controlled, non-affiliated investments:          
Schedule of Investments [Line Items]          
Amortized Cost $ 10,510,000        
Fair Value $ 10,297,000        
Percentage of Net Assets 0.10% 0.10% 0.10%    
Pharmaceuticals | Equity Securities | Non-controlled, affiliated investments          
Schedule of Investments [Line Items]          
Amortized Cost $ 19,352,000        
Fair Value $ 19,805,000        
Percentage of Net Assets 0.30% 0.30% 0.30%    
Insurance | Equity Securities | Investment income from controlled, affiliated investments:          
Schedule of Investments [Line Items]          
Amortized Cost $ 123,500,000     $ 89,680,000  
Fair Value $ 123,500,000     $ 89,680,000  
Percentage of Net Assets 2.10% 2.10% 2.10% 1.50%  
Investment funds and vehicles | Equity Securities | Investment income from controlled, affiliated investments:          
Schedule of Investments [Line Items]          
Amortized Cost       $ 318,839,000  
Fair Value       $ 288,981,000  
Percentage of Net Assets       4.90%  
Joint ventures | Equity Securities | Investment income from controlled, affiliated investments:          
Schedule of Investments [Line Items]          
Amortized Cost $ 386,214,000        
Fair Value $ 369,712,000        
Percentage of Net Assets 6.20% 6.20% 6.20%    
Investment, Identifier [Axis]: 3ES Innovation Inc. (dba Aucerna), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[13],[14] 6.50% [12],[13],[14] 6.50% [12],[13],[14] 6.50% [15],[16],[17],[18]  
Par / Units $ 60,167,000 [12],[13],[14]     $ 60,635,000 [15],[16],[17],[18]  
Amortized Cost 59,891,000 [12],[13],[14]     60,243,000 [15],[16],[17],[18]  
Fair Value $ 60,167,000 [12],[13],[14]     $ 60,332,000 [15],[16],[17],[18]  
Percentage of Net Assets 1.00% [12],[13],[14] 1.00% [12],[13],[14] 1.00% [12],[13],[14] 1.00% [15],[16],[17],[18]  
Investment, Identifier [Axis]: 3ES Innovation Inc. (dba Aucerna), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest       6.50% [15],[16],[17],[18],[19]  
Par / Units       $ 1,700,000 [15],[16],[17],[18],[19]  
Amortized Cost       1,681,000 [15],[16],[17],[18],[19]  
Fair Value       $ 1,681,000 [15],[16],[17],[18],[19]  
Percentage of Net Assets       0.00% [15],[16],[17],[18],[19]  
Investment, Identifier [Axis]: AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC          
Schedule of Investments [Line Items]          
Fair Value $ 60,346,000 [20]     $ 0 [21] 0 [21]
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% [12],[22],[23] 12.00% [12],[22],[23] 12.00% [12],[22],[23]    
Par / Units $ 36,380,000 [12],[22],[23]        
Amortized Cost 36,380,000 [12],[22],[23]        
Fair Value $ 36,380,000 [12],[22],[23]        
Percentage of Net Assets 0.60% [12],[22],[23] 0.60% [12],[22],[23] 0.60% [12],[22],[23]    
Investment, Identifier [Axis]: AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC, LLC Interest          
Schedule of Investments [Line Items]          
Units (in shares) | shares 23,966,000 [12],[14],[22],[24],[25] 23,966,000 [12],[14],[22],[24],[25] 23,966,000 [12],[14],[22],[24],[25] 5,000 [16],[18],[19],[26],[27],[28]  
Amortized Cost $ 23,937,000 [12],[14],[22],[24],[25]     $ 5,000 [16],[18],[19],[26],[27],[28]  
Fair Value $ 23,966,000 [12],[14],[22],[24],[25]     $ 0 [16],[18],[19],[26],[27],[28]  
Percentage of Net Assets 0.40% [12],[14],[22],[24],[25] 0.40% [12],[14],[22],[24],[25] 0.40% [12],[14],[22],[24],[25] 0.00% [16],[18],[19],[26],[27],[28]  
Investment, Identifier [Axis]: AAM Series 2.1 Aviation Feeder, LLC          
Schedule of Investments [Line Items]          
Fair Value $ 30,706,000 [20]     $ 1,568,000 [20] 0 [21]
Investment, Identifier [Axis]: AAM Series 2.1 Aviation Feeder, LLC, LLC Interest          
Schedule of Investments [Line Items]          
Units (in shares) | shares 30,706,000 [12],[14],[22],[24],[25] 30,706,000 [12],[14],[22],[24],[25] 30,706,000 [12],[14],[22],[24],[25] 1,568,000 [16],[18],[19],[26],[27],[28]  
Amortized Cost $ 30,713,000 [12],[14],[22],[24],[25]     $ 1,574,000 [16],[18],[19],[26],[27],[28]  
Fair Value $ 30,706,000 [12],[14],[22],[24],[25]     $ 1,568,000 [16],[18],[19],[26],[27],[28]  
Percentage of Net Assets 0.50% [12],[14],[22],[24],[25] 0.50% [12],[14],[22],[24],[25] 0.50% [12],[14],[22],[24],[25] 0.00% [16],[18],[19],[26],[27],[28]  
Investment, Identifier [Axis]: ABB/Con-cise Optical Group LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.50% [12],[29] 7.50% [12],[29] 7.50% [12],[29] 7.50% [15],[16],[30]  
Par / Units $ 63,778,000 [12],[29]     $ 67,415,000 [15],[16],[30]  
Amortized Cost 63,022,000 [12],[29]     66,517,000 [15],[16],[30]  
Fair Value $ 61,387,000 [12],[29]     $ 67,247,000 [15],[16],[30]  
Percentage of Net Assets 1.00% [12],[29] 1.00% [12],[29] 1.00% [12],[29] 1.10% [15],[16],[30]  
Investment, Identifier [Axis]: ABB/Con-cise Optical Group LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest       7.50% [15],[16],[19],[30]  
Par / Units       $ 6,722,000 [15],[16],[19],[30]  
Amortized Cost       6,631,000 [15],[16],[19],[30]  
Fair Value       $ 6,704,000 [15],[16],[19],[30]  
Percentage of Net Assets       0.10% [15],[16],[19],[30]  
Investment, Identifier [Axis]: ASP Conair Holdings LP, Class A Units          
Schedule of Investments [Line Items]          
Units (in shares) | shares 60,714 [12],[25],[31] 60,714 [12],[25],[31] 60,714 [12],[25],[31] 60,714 [16],[27],[28]  
Amortized Cost $ 6,071,000 [12],[25],[31]     $ 6,071,000 [16],[27],[28]  
Fair Value $ 5,736,000 [12],[25],[31]     $ 5,444,000 [16],[27],[28]  
Percentage of Net Assets 0.10% [12],[25],[31] 0.10% [12],[25],[31] 0.10% [12],[25],[31] 0.10% [16],[27],[28]  
Investment, Identifier [Axis]: Abacus Life, Inc., First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest 7.25% [12],[24],[32],[33] 7.25% [12],[24],[32],[33] 7.25% [12],[24],[32],[33]    
Par / Units $ 0 [12],[24],[32],[33]        
Amortized Cost (152,000) [12],[24],[32],[33]        
Fair Value $ (160,000) [12],[24],[32],[33]        
Percentage of Net Assets 0.00% [12],[24],[32],[33] 0.00% [12],[24],[32],[33] 0.00% [12],[24],[32],[33]    
Investment, Identifier [Axis]: Abacus Life, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.25% [12],[29] 7.25% [12],[29] 7.25% [12],[29]    
Par / Units $ 8,000,000 [12],[29]        
Amortized Cost 7,846,000 [12],[29]        
Fair Value $ 7,840,000 [12],[29]        
Percentage of Net Assets 0.10% [12],[29] 0.10% [12],[29] 0.10% [12],[29]    
Investment, Identifier [Axis]: Accela, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       7.50% [15],[34]  
Interest, PIK       4.25% [15],[34]  
Par / Units       $ 27,800,000 [15],[34]  
Amortized Cost       27,650,000 [15],[34]  
Fair Value       $ 27,521,000 [15],[34]  
Percentage of Net Assets       0.50% [15],[34]  
Investment, Identifier [Axis]: Accela, Inc., First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest       7.00% [15],[19]  
Par / Units       $ 0 [15],[19]  
Amortized Cost       0 [15],[19]  
Fair Value       $ (30,000) [15],[19]  
Percentage of Net Assets       0.00% [15],[19]  
Investment, Identifier [Axis]: Accelerate Topco Holdings, LLC, Common Units          
Schedule of Investments [Line Items]          
Units (in shares) | shares 513 [12],[25],[31] 513 [12],[25],[31] 513 [12],[25],[31]    
Amortized Cost $ 14,000 [12],[25],[31]        
Fair Value $ 16,000 [12],[25],[31]        
Percentage of Net Assets 0.00% [12],[25],[31] 0.00% [12],[25],[31] 0.00% [12],[25],[31]    
Investment, Identifier [Axis]: Accelerate topco Holdings, LLC, Common Units          
Schedule of Investments [Line Items]          
Units (in shares) | shares       493 [16],[27],[28]  
Amortized Cost       $ 14,000 [16],[27],[28]  
Fair Value       $ 14,000 [16],[27],[28]  
Percentage of Net Assets       0.00% [16],[27],[28]  
Investment, Identifier [Axis]: Access CIG, LLC, Second lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.75% [12],[29] 7.75% [12],[29] 7.75% [12],[29] 7.75% [15],[16],[34]  
Par / Units $ 58,760,000 [12],[29]     $ 58,760,000 [15],[16],[34]  
Amortized Cost 58,498,000 [12],[29]     58,429,000 [15],[16],[34]  
Fair Value $ 58,172,000 [12],[29]     $ 58,465,000 [15],[16],[34]  
Percentage of Net Assets 1.00% [12],[29] 1.00% [12],[29] 1.00% [12],[29] 1.00% [15],[16],[34]  
Investment, Identifier [Axis]: Adenza Group, Inc., First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[24],[33] 5.75% [12],[24],[33] 5.75% [12],[24],[33]    
Par / Units $ 0 [12],[24],[33]        
Amortized Cost (105,000) [12],[24],[33]        
Fair Value $ 0 [12],[24],[33]        
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33]    
Investment, Identifier [Axis]: Adenza Group, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[13] 5.75% [12],[13] 5.75% [12],[13]    
Par / Units $ 199,209,000 [12],[13]        
Amortized Cost 197,607,000 [12],[13]        
Fair Value $ 199,208,000 [12],[13]        
Percentage of Net Assets 3.30% [12],[13] 3.30% [12],[13] 3.30% [12],[13]    
Investment, Identifier [Axis]: Alera Group, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.00% [12],[13] 6.00% [12],[13] 6.00% [12],[13] 6.00% [15],[16],[35]  
Par / Units $ 34,549,000 [12],[13]     $ 34,814,000 [15],[16],[35]  
Amortized Cost 33,960,000 [12],[13]     34,150,000 [15],[16],[35]  
Fair Value $ 34,549,000 [12],[13]     $ 34,552,000 [15],[16],[35]  
Percentage of Net Assets 0.60% [12],[13] 0.60% [12],[13] 0.60% [12],[13] 0.60% [15],[16],[35]  
Investment, Identifier [Axis]: AmSpec Group, Inc. (fka AmSpec Services Inc.), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[29] 5.75% [12],[29] 5.75% [12],[29] 5.75% [15],[16],[17]  
Par / Units $ 108,272,000 [12],[29]     $ 109,126,000 [15],[16],[17]  
Amortized Cost 107,966,000 [12],[29]     108,530,000 [15],[16],[17]  
Fair Value $ 108,272,000 [12],[29]     $ 108,306,000 [15],[16],[17]  
Percentage of Net Assets 1.80% [12],[29] 1.80% [12],[29] 1.80% [12],[29] 1.80% [15],[16],[17]  
Investment, Identifier [Axis]: AmSpec Group, Inc. (fka AmSpec Services Inc.), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 3.75% [12],[24],[36] 3.75% [12],[24],[36] 3.75% [12],[24],[36] 4.75% [15],[16],[17],[19]  
Par / Units $ 3,812,000 [12],[24],[36]     $ 3,073,000 [15],[16],[17],[19]  
Amortized Cost 3,781,000 [12],[24],[36]     3,010,000 [15],[16],[17],[19]  
Fair Value $ 3,812,000 [12],[24],[36]     $ 2,965,000 [15],[16],[17],[19]  
Percentage of Net Assets 0.10% [12],[24],[36] 0.10% [12],[24],[36] 0.10% [12],[24],[36] 0.10% [15],[16],[17],[19]  
Investment, Identifier [Axis]: Amergin Asset Management, LLC, Class A Units          
Schedule of Investments [Line Items]          
Units (in shares) | shares 50,000,000 [12],[14],[25],[31] 50,000,000 [12],[14],[25],[31] 50,000,000 [12],[14],[25],[31] 50,000,000 [16],[18],[27],[28]  
Amortized Cost $ 1,000 [12],[14],[25],[31]     $ 0 [16],[18],[27],[28]  
Fair Value $ 0 [12],[14],[25],[31]     $ 0 [16],[18],[27],[28]  
Percentage of Net Assets 0.00% [12],[14],[25],[31] 0.00% [12],[14],[25],[31] 0.00% [12],[14],[25],[31] 0.00% [16],[18],[27],[28]  
Investment, Identifier [Axis]: AmeriLife Holdings LLC, First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[24],[32],[37] 5.75% [12],[24],[32],[37] 5.75% [12],[24],[32],[37] 5.75% [15],[16],[19],[38],[39]  
Par / Units $ 120,000 [12],[24],[32],[37]     $ 121,000 [15],[16],[19],[38],[39]  
Amortized Cost 118,000 [12],[24],[32],[37]     118,000 [15],[16],[19],[38],[39]  
Fair Value $ 120,000 [12],[24],[32],[37]     $ 119,000 [15],[16],[19],[38],[39]  
Percentage of Net Assets 0.00% [12],[24],[32],[37] 0.00% [12],[24],[32],[37] 0.00% [12],[24],[32],[37] 0.00% [15],[16],[19],[38],[39]  
Investment, Identifier [Axis]: AmeriLife Holdings LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[13] 5.75% [12],[13] 5.75% [12],[13] 5.75% [15],[16],[40]  
Par / Units $ 722,000 [12],[13]     $ 727,000 [15],[16],[40]  
Amortized Cost 709,000 [12],[13]     713,000 [15],[16],[40]  
Fair Value $ 718,000 [12],[13]     $ 715,000 [15],[16],[40]  
Percentage of Net Assets 0.00% [12],[13] 0.00% [12],[13] 0.00% [12],[13] 0.00% [15],[16],[40]  
Investment, Identifier [Axis]: AmeriLife Holdings LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[24],[37] 5.75% [12],[24],[37] 5.75% [12],[24],[37] 5.75% [15],[16],[19],[41]  
Par / Units $ 15,000 [12],[24],[37]     $ 0 [15],[16],[19],[41]  
Amortized Cost 14,000 [12],[24],[37]     (2,000) [15],[16],[19],[41]  
Fair Value $ 15,000 [12],[24],[37]     $ (2,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[37] 0.00% [12],[24],[37] 0.00% [12],[24],[37] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Anaplan, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       6.50% [15],[16],[35]  
Par / Units       $ 135,082,000 [15],[16],[35]  
Amortized Cost       133,807,000 [15],[16],[35]  
Fair Value       $ 134,744,000 [15],[16],[35]  
Percentage of Net Assets       2.30% [15],[16],[35]  
Investment, Identifier [Axis]: Anaplan, Inc., First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest       6.50% [15],[16],[19],[41]  
Par / Units       $ 0 [15],[16],[19],[41]  
Amortized Cost       (89,000) [15],[16],[19],[41]  
Fair Value       $ (24,000) [15],[16],[19],[41]  
Percentage of Net Assets       0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Apex Group Treasury LLC, Second lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.75% [12],[14],[29] 6.75% [12],[14],[29] 6.75% [12],[14],[29]    
Par / Units $ 44,147,000 [12],[14],[29]        
Amortized Cost 43,552,000 [12],[14],[29]        
Fair Value $ 43,706,000 [12],[14],[29]        
Percentage of Net Assets 0.70% [12],[14],[29] 0.70% [12],[14],[29] 0.70% [12],[14],[29]    
Investment, Identifier [Axis]: Apex Group Treasury, LLC, Second lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       6.75% [15],[16],[17],[18]  
Par / Units       $ 44,147,000 [15],[16],[17],[18]  
Amortized Cost       43,501,000 [15],[16],[17],[18]  
Fair Value       $ 41,940,000 [15],[16],[17],[18]  
Percentage of Net Assets       0.70% [15],[16],[17],[18]  
Investment, Identifier [Axis]: Apex Service Partners Intermediate 2, LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       12.50% [16],[42]  
Interest, PIK 12.50% [12],[23] 12.50% [12],[23] 12.50% [12],[23] 12.50% [16],[42]  
Par / Units $ 54,991,000 [12],[23]     $ 48,639,000 [16],[42]  
Amortized Cost 54,023,000 [12],[23]     47,529,000 [16],[42]  
Fair Value $ 54,991,000 [12],[23]     $ 47,666,000 [16],[42]  
Percentage of Net Assets 0.90% [12],[23] 0.90% [12],[23] 0.90% [12],[23] 0.80% [16],[42]  
Investment, Identifier [Axis]: Apex Service Partners, LLC, First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest       5.50% [15],[16],[38],[39]  
Par / Units       $ 997,000 [15],[16],[38],[39]  
Amortized Cost       985,000 [15],[16],[38],[39]  
Fair Value       $ 989,000 [15],[16],[38],[39]  
Percentage of Net Assets       0.00% [15],[16],[38],[39]  
Investment, Identifier [Axis]: Apex Service Partners, LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.50% [12],[29] 5.50% [12],[29] 5.50% [12],[29]    
Par / Units $ 989,000 [12],[29]        
Amortized Cost 981,000 [12],[29]        
Fair Value $ 989,000 [12],[29]        
Percentage of Net Assets 0.00% [12],[29] 0.00% [12],[29] 0.00% [12],[29]    
Investment, Identifier [Axis]: Apex Service Partners, LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.50% [12],[24],[29] 5.50% [12],[24],[29] 5.50% [12],[24],[29] 5.25% [15],[16],[19],[39]  
Par / Units $ 31,000 [12],[24],[29]     $ 31,000 [15],[16],[19],[39]  
Amortized Cost 31,000 [12],[24],[29]     31,000 [15],[16],[19],[39]  
Fair Value $ 31,000 [12],[24],[29]     $ 31,000 [15],[16],[19],[39]  
Percentage of Net Assets 0.00% [12],[24],[29] 0.00% [12],[24],[29] 0.00% [12],[24],[29] 0.00% [15],[16],[19],[39]  
Investment, Identifier [Axis]: Apptio, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[13],[14],[24] 6.50% [12],[13],[14],[24] 6.50% [12],[13],[14],[24] 6.00% [15],[16],[17]  
Par / Units $ 1,700,000 [12],[13],[14],[24]     $ 50,916,000 [15],[16],[17]  
Amortized Cost 1,687,000 [12],[13],[14],[24]     50,404,000 [15],[16],[17]  
Fair Value $ 1,700,000 [12],[13],[14],[24]     $ 50,916,000 [15],[16],[17]  
Percentage of Net Assets 0.00% [12],[13],[14],[24] 0.00% [12],[13],[14],[24] 0.00% [12],[13],[14],[24] 0.90% [15],[16],[17]  
Investment, Identifier [Axis]: Apptio, Inc., First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[13] 6.50% [12],[13] 6.50% [12],[13] 6.00% [15],[16],[17],[19]  
Par / Units $ 135,082,000 [12],[13]     $ 1,667,000 [15],[16],[17],[19]  
Amortized Cost 133,914,000 [12],[13]     1,649,000 [15],[16],[17],[19]  
Fair Value $ 135,082,000 [12],[13]     $ 1,667,000 [15],[16],[17],[19]  
Percentage of Net Assets 2.30% [12],[13] 2.30% [12],[13] 2.30% [12],[13] 0.00% [15],[16],[17],[19]  
Investment, Identifier [Axis]: Aptive Environmental, LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 12.00% [12],[23] 12.00% [12],[23] 12.00% [12],[23] 12.00% [16],[42]  
Interest, PIK 6.00% [12],[23] 6.00% [12],[23] 6.00% [12],[23] 6.00% [16],[42]  
Par / Units $ 12,792,000 [12],[23]     $ 12,228,000 [16],[42]  
Amortized Cost 11,238,000 [12],[23]     10,256,000 [16],[42]  
Fair Value $ 13,112,000 [12],[23]     $ 11,005,000 [16],[42]  
Percentage of Net Assets 0.20% [12],[23] 0.20% [12],[23] 0.20% [12],[23] 0.20% [16],[42]  
Investment, Identifier [Axis]: Aramsco, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       5.25% [15],[16],[34]  
Par / Units       $ 55,322,000 [15],[16],[34]  
Amortized Cost       54,893,000 [15],[16],[34]  
Fair Value       $ 55,183,000 [15],[16],[34]  
Percentage of Net Assets       0.90% [15],[16],[34]  
Investment, Identifier [Axis]: Aramsco, Inc., First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest       5.25% [15],[16],[19],[34]  
Par / Units       $ 1,676,000 [15],[16],[19],[34]  
Amortized Cost       1,618,000 [15],[16],[19],[34]  
Fair Value       $ 1,655,000 [15],[16],[19],[34]  
Percentage of Net Assets       0.00% [15],[16],[19],[34]  
Investment, Identifier [Axis]: Ardonagh Midco 2 PLC, Unsecured notes          
Schedule of Investments [Line Items]          
Interest 11.50% [12],[14],[23],[43] 11.50% [12],[14],[23],[43] 11.50% [12],[14],[23],[43] 11.50% [16],[18],[42],[44]  
Par / Units $ 11,912,000 [12],[14],[23],[43]     $ 11,198,000 [16],[18],[42],[44]  
Amortized Cost 11,857,000 [12],[14],[23],[43]     11,134,000 [16],[18],[42],[44]  
Fair Value $ 11,637,000 [12],[14],[23],[43]     $ 10,579,000 [16],[18],[42],[44]  
Percentage of Net Assets 0.20% [12],[14],[23],[43] 0.20% [12],[14],[23],[43] 0.20% [12],[14],[23],[43] 0.20% [16],[18],[42],[44]  
Investment, Identifier [Axis]: Ardonagh Midco 3 PLC, First lien senior secured EUR delayed draw term loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[14],[45] 5.75% [12],[14],[45] 5.75% [12],[14],[45]    
Par / Units | €   € 8,149 [12],[14],[45]      
Amortized Cost $ 11,031,000 [12],[14],[45]        
Fair Value $ 9,947,000 [12],[14],[45]        
Percentage of Net Assets 0.20% [12],[14],[45] 0.20% [12],[14],[45] 0.20% [12],[14],[45]    
Investment, Identifier [Axis]: Ardonagh Midco 3 PLC, First lien senior secured EUR term loan          
Schedule of Investments [Line Items]          
Interest 7.00% [12],[14],[45] 7.00% [12],[14],[45] 7.00% [12],[14],[45] 7.00% [15],[16],[18],[46]  
Par / Units   € 9,135 [12],[14],[45]   $ 9,749,000 [15],[16],[18],[46]  
Amortized Cost $ 10,090,000 [12],[14],[45]     10,056,000 [15],[16],[18],[46]  
Fair Value $ 9,671,000 [12],[14],[45]     $ 9,724,000 [15],[16],[18],[46]  
Percentage of Net Assets 0.20% [12],[14],[45] 0.20% [12],[14],[45] 0.20% [12],[14],[45] 0.20% [15],[16],[18],[46]  
Investment, Identifier [Axis]: Ardonagh Midco 3 PLC, First lien senior secured GBP delayed draw term loan          
Schedule of Investments [Line Items]          
Interest       5.75% [15],[16],[18],[38],[47]  
Par / Units       $ 9,803,000 [15],[16],[18],[38],[47]  
Amortized Cost       11,009,000 [15],[16],[18],[38],[47]  
Fair Value       $ 9,729,000 [15],[16],[18],[38],[47]  
Percentage of Net Assets       0.20% [15],[16],[18],[38],[47]  
Investment, Identifier [Axis]: Ardonagh Midco 3 PLC, First lien senior secured GBP term loan          
Schedule of Investments [Line Items]          
Interest 7.00% [12],[14],[48] 7.00% [12],[14],[48] 7.00% [12],[14],[48] 7.00% [15],[16],[18],[49]  
Par / Units   € 86,659 [12],[14],[48]   $ 104,242,000 [15],[16],[18],[49]  
Amortized Cost $ 107,564,000 [12],[14],[48]     107,189,000 [15],[16],[18],[49]  
Fair Value $ 105,771,000 [12],[14],[48]     $ 104,242,000 [15],[16],[18],[49]  
Percentage of Net Assets 1.80% [12],[14],[48] 1.80% [12],[14],[48] 1.80% [12],[14],[48] 1.80% [15],[16],[18],[49]  
Investment, Identifier [Axis]: Ardonagh Midco 3 PLC, First lien senior secured USD term loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[14],[37] 5.75% [12],[14],[37] 5.75% [12],[14],[37] 5.75% [15],[16],[18],[30]  
Par / Units $ 26,784,000 [12],[14],[37]     $ 26,784,000 [15],[16],[18],[30]  
Amortized Cost 26,456,000 [12],[14],[37]     26,382,000 [15],[16],[18],[30]  
Fair Value $ 26,784,000 [12],[14],[37]     $ 26,583,000 [15],[16],[18],[30]  
Percentage of Net Assets 0.40% [12],[14],[37] 0.40% [12],[14],[37] 0.40% [12],[14],[37] 0.50% [15],[16],[18],[30]  
Investment, Identifier [Axis]: Armstrong Bidco Limited (dba The Access Group), First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest 5.00% [12],[14],[48] 5.00% [12],[14],[48] 5.00% [12],[14],[48] 5.25% [15],[16],[18],[19],[38],[49]  
Par / Units   € 2,960 [12],[14],[48]   $ 947,000 [15],[16],[18],[19],[38],[49]  
Amortized Cost $ 3,562,000 [12],[14],[48]     945,000 [15],[16],[18],[19],[38],[49]  
Fair Value $ 3,585,000 [12],[14],[48]     $ 935,000 [15],[16],[18],[19],[38],[49]  
Percentage of Net Assets 0.10% [12],[14],[48] 0.10% [12],[14],[48] 0.10% [12],[14],[48] 0.00% [15],[16],[18],[19],[38],[49]  
Investment, Identifier [Axis]: Armstrong Bidco Limited (dba The Access Group), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[24],[33] 6.50% [12],[24],[33] 6.50% [12],[24],[33] 5.25% [15],[16],[18],[49]  
Par / Units $ 0 [12],[24],[33]     $ 2,340,000 [15],[16],[18],[49]  
Amortized Cost (77,000) [12],[24],[33]     2,336,000 [15],[16],[18],[49]  
Fair Value $ 0 [12],[24],[33]     $ 2,310,000 [15],[16],[18],[49]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[18],[49]  
Investment, Identifier [Axis]: Aruba Investments Holdings LLC (dba Angus Chemical Company), Second lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.75% [12],[13] 7.75% [12],[13] 7.75% [12],[13] 7.75% [15],[16],[34]  
Par / Units $ 10,000,000 [12],[13]     $ 10,000,000 [15],[16],[34]  
Amortized Cost 9,892,000 [12],[13]     9,880,000 [15],[16],[34]  
Fair Value $ 9,300,000 [12],[13]     $ 9,850,000 [15],[16],[34]  
Percentage of Net Assets 0.20% [12],[13] 0.20% [12],[13] 0.20% [12],[13] 0.20% [15],[16],[34]  
Investment, Identifier [Axis]: Ascend Buyer, LLC (dba PPC Flexible Packaging), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.40% [12],[29] 6.40% [12],[29] 6.40% [12],[29] 6.25% [15],[16],[35]  
Par / Units $ 5,456,000 [12],[29]     $ 5,498,000 [15],[16],[35]  
Amortized Cost 5,414,000 [12],[29]     5,451,000 [15],[16],[35]  
Fair Value $ 5,456,000 [12],[29]     $ 5,457,000 [15],[16],[35]  
Percentage of Net Assets 0.10% [12],[29] 0.10% [12],[29] 0.10% [12],[29] 0.10% [15],[16],[35]  
Investment, Identifier [Axis]: Ascend Buyer, LLC (dba PPC Flexible Packaging), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.40% [12],[24],[33] 6.40% [12],[24],[33] 6.40% [12],[24],[33] 6.25% [15],[16],[19],[41]  
Par / Units $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Amortized Cost (4,000) [12],[24],[33]     (4,000) [15],[16],[19],[41]  
Fair Value $ 0 [12],[24],[33]     $ (4,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Associations Finance, Inc., Preferred Stock          
Schedule of Investments [Line Items]          
Interest       12.00% [16],[28],[42]  
Interest, PIK 13.50% [12],[23],[25] 13.50% [12],[23],[25] 13.50% [12],[23],[25] 12.00% [16],[28],[42]  
Units (in shares) | shares 54,800,000 [12],[23],[25] 54,800,000 [12],[23],[25] 54,800,000 [12],[23],[25] 54,800,000 [16],[28],[42]  
Amortized Cost $ 60,923,000 [12],[23],[25]     $ 55,348,000 [16],[28],[42]  
Fair Value $ 61,622,000 [12],[23],[25]     $ 55,641,000 [16],[28],[42]  
Percentage of Net Assets 1.00% [12],[23],[25] 1.00% [12],[23],[25] 1.00% [12],[23],[25] 0.90% [16],[28],[42]  
Investment, Identifier [Axis]: Associations, Inc., First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest 6.50% [24],[29],[32] 6.50% [24],[29],[32] 6.50% [24],[29],[32] 6.50% [15],[16],[19],[38],[40]  
Interest, PIK 2.50% [24],[29],[32] 2.50% [24],[29],[32] 2.50% [24],[29],[32] 2.50% [15],[16],[19],[38],[40]  
Par / Units $ 38,799,000 [12],[24],[29],[32]     $ 3,714,000 [15],[16],[19],[38],[40]  
Amortized Cost 38,432,000 [12],[24],[29],[32]     3,274,000 [15],[16],[19],[38],[40]  
Fair Value $ 38,425,000 [12],[24],[29],[32]     $ 3,590,000 [15],[16],[19],[38],[40]  
Percentage of Net Assets 0.60% [12],[24],[29],[32] 0.60% [12],[24],[29],[32] 0.60% [12],[24],[29],[32] 0.10% [15],[16],[19],[38],[40]  
Investment, Identifier [Axis]: Associations, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[29] 6.50% [12],[29] 6.50% [12],[29] 6.50% [15],[16],[40]  
Interest, PIK 2.50% [12],[29] 2.50% [12],[29] 2.50% [12],[29] 2.50% [15],[16],[40]  
Par / Units $ 363,571,000 [12],[29]     $ 386,382,000 [15],[16],[40]  
Amortized Cost 361,304,000 [12],[29]     383,491,000 [15],[16],[40]  
Fair Value $ 360,844,000 [12],[29]     $ 385,414,000 [15],[16],[40]  
Percentage of Net Assets 6.00% [12],[29] 6.00% [12],[29] 6.00% [12],[29] 6.60% [15],[16],[40]  
Investment, Identifier [Axis]: Associations, Inc., First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[24],[33] 6.50% [12],[24],[33] 6.50% [12],[24],[33] 4.00% [15],[16],[19],[41]  
Par / Units $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Amortized Cost (206,000) [12],[24],[33]     (247,000) [15],[16],[19],[41]  
Fair Value $ (247,000) [12],[24],[33]     $ (82,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Atlanta Custom Windows, LLC          
Schedule of Investments [Line Items]          
Fair Value $ 11,400,000        
Investment, Identifier [Axis]: Aviation Solutions Midco, LLC (dba STS Aviation), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.25% [12],[29] 7.25% [12],[29] 7.25% [12],[29] 7.25% [15],[16],[17]  
Par / Units $ 211,204,000 [12],[29]     $ 212,678,000 [15],[16],[17]  
Amortized Cost 210,165,000 [12],[29]     211,054,000 [15],[16],[17]  
Fair Value $ 213,316,000 [12],[29]     $ 205,233,000 [15],[16],[17]  
Percentage of Net Assets 3.60% [12],[29] 3.60% [12],[29] 3.60% [12],[29] 3.50% [15],[16],[17]  
Investment, Identifier [Axis]: AxiomSL Group, Inc., First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest       5.75% [15],[16],[19],[38],[41]  
Par / Units       $ 0 [15],[16],[19],[38],[41]  
Amortized Cost       (32,000) [15],[16],[19],[38],[41]  
Fair Value       $ (42,000) [15],[16],[19],[38],[41]  
Percentage of Net Assets       0.00% [15],[16],[19],[38],[41]  
Investment, Identifier [Axis]: AxiomSL Group, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       5.75% [15],[16],[34]  
Par / Units       $ 200,737,000 [15],[16],[34]  
Amortized Cost       198,896,000 [15],[16],[34]  
Fair Value       $ 197,726,000 [15],[16],[34]  
Percentage of Net Assets       3.40% [15],[16],[34]  
Investment, Identifier [Axis]: AxiomSL Group, Inc., First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest       5.75% [15],[16],[19],[41]  
Par / Units       $ 0 [15],[16],[19],[41]  
Amortized Cost       (141,000) [15],[16],[19],[41]  
Fair Value       $ (273,000) [15],[16],[19],[41]  
Percentage of Net Assets       0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: BCPE Nucleon (DE) SPV, LP, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.00% [12],[14],[37] 7.00% [12],[14],[37] 7.00% [12],[14],[37] 7.00% [15],[16],[18],[30]  
Par / Units $ 189,778,000 [12],[14],[37]     $ 189,778,000 [15],[16],[18],[30]  
Amortized Cost 188,119,000 [12],[14],[37]     187,787,000 [15],[16],[18],[30]  
Fair Value $ 189,778,000 [12],[14],[37]     $ 189,303,000 [15],[16],[18],[30]  
Percentage of Net Assets 3.20% [12],[14],[37] 3.20% [12],[14],[37] 3.20% [12],[14],[37] 3.20% [15],[16],[18],[30]  
Investment, Identifier [Axis]: BCPE Osprey Buyer, Inc. (dba PartsSource), First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[13],[24],[32] 5.75% [12],[13],[24],[32] 5.75% [12],[13],[24],[32] 5.75% [15],[16],[19],[38],[41]  
Par / Units $ 5,813,000 [12],[13],[24],[32]     $ 0 [15],[16],[19],[38],[41]  
Amortized Cost 5,549,000 [12],[13],[24],[32]     (229,000) [15],[16],[19],[38],[41]  
Fair Value $ 5,712,000 [12],[13],[24],[32]     $ (315,000) [15],[16],[19],[38],[41]  
Percentage of Net Assets 0.10% [12],[13],[24],[32] 0.10% [12],[13],[24],[32] 0.10% [12],[13],[24],[32] 0.00% [15],[16],[19],[38],[41]  
Investment, Identifier [Axis]: BCPE Osprey Buyer, Inc. (dba PartsSource), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[29] 5.75% [12],[29] 5.75% [12],[29] 5.75% [15],[16],[17]  
Par / Units $ 112,056,000 [12],[29]     $ 112,911,000 [15],[16],[17]  
Amortized Cost 110,702,000 [12],[29]     111,391,000 [15],[16],[17]  
Fair Value $ 110,655,000 [12],[29]     $ 110,371,000 [15],[16],[17]  
Percentage of Net Assets 1.80% [12],[29] 1.80% [12],[29] 1.80% [12],[29] 1.90% [15],[16],[17]  
Investment, Identifier [Axis]: BCPE Osprey Buyer, Inc. (dba PartsSource), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[13],[24] 5.75% [12],[13],[24] 5.75% [12],[13],[24] 5.75% [15],[16],[19],[41]  
Par / Units $ 1,844,000 [12],[13],[24]     $ 0 [15],[16],[19],[41]  
Amortized Cost 1,726,000 [12],[13],[24]     (149,000) [15],[16],[19],[41]  
Fair Value $ 1,696,000 [12],[13],[24]     $ (267,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[13],[24] 0.00% [12],[13],[24] 0.00% [12],[13],[24] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: BCPE Watson (DE) ORML, LP, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[14],[37],[50] 6.50% [12],[14],[37],[50] 6.50% [12],[14],[37],[50] 6.50% [15],[16],[18],[39],[51]  
Par / Units $ 15,000,000 [12],[14],[37],[50]     $ 15,000,000 [15],[16],[18],[39],[51]  
Amortized Cost 14,874,000 [12],[14],[37],[50]     14,860,000 [15],[16],[18],[39],[51]  
Fair Value $ 14,925,000 [12],[14],[37],[50]     $ 14,850,000 [15],[16],[18],[39],[51]  
Percentage of Net Assets 0.20% [12],[14],[37],[50] 0.20% [12],[14],[37],[50] 0.20% [12],[14],[37],[50] 0.30% [15],[16],[18],[39],[51]  
Investment, Identifier [Axis]: BCTO BSI Buyer, Inc. (dba Buildertrend), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.00% [12],[29] 7.00% [12],[29] 7.00% [12],[29] 8.00% [15],[16],[40]  
Interest, PIK       8.00% [15],[16],[40]  
Par / Units $ 55,101,000 [12],[29]     $ 52,752,000 [15],[16],[40]  
Amortized Cost 54,746,000 [12],[29]     52,332,000 [15],[16],[40]  
Fair Value $ 55,101,000 [12],[29]     $ 52,752,000 [15],[16],[40]  
Percentage of Net Assets 0.90% [12],[29] 0.90% [12],[29] 0.90% [12],[29] 0.90% [15],[16],[40]  
Investment, Identifier [Axis]: BCTO BSI Buyer, Inc. (dba Buildertrend), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 7.00% [12],[24],[33] 7.00% [12],[24],[33] 7.00% [12],[24],[33] 8.00% [15],[16],[19],[41]  
Par / Units $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Amortized Cost (69,000) [12],[24],[33]     (84,000) [15],[16],[19],[41]  
Fair Value $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: BCTO WIW Holdings, Inc. (dba When I Work), Class A Common Stock          
Schedule of Investments [Line Items]          
Units (in shares) | shares 13,000 [12],[25],[31] 13,000 [12],[25],[31] 13,000 [12],[25],[31] 13,000 [16],[27],[28]  
Amortized Cost $ 1,300,000 [12],[25],[31]     $ 1,300,000 [16],[27],[28]  
Fair Value $ 1,097,000 [12],[25],[31]     $ 1,171,000 [16],[27],[28]  
Percentage of Net Assets 0.00% [12],[25],[31] 0.00% [12],[25],[31] 0.00% [12],[25],[31] 0.00% [16],[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 [12],[14],[25],[31] 1,269,969 [12],[14],[25],[31] 1,269,969 [12],[14],[25],[31] 1,270,000 [16],[18],[27],[28]  
Amortized Cost $ 1,266,000 [12],[14],[25],[31]     $ 1,266,000 [16],[18],[27],[28]  
Fair Value $ 1,325,000 [12],[14],[25],[31]     $ 1,270,000 [16],[18],[27],[28]  
Percentage of Net Assets 0.00% [12],[14],[25],[31] 0.00% [12],[14],[25],[31] 0.00% [12],[14],[25],[31] 0.00% [16],[18],[27],[28]  
Investment, Identifier [Axis]: BP Veraison Buyer, LLC (dba Sun World), First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest       5.50% [15],[16],[19],[38],[41]  
Par / Units       $ 0 [15],[16],[19],[38],[41]  
Amortized Cost       (26,000) [15],[16],[19],[38],[41]  
Fair Value       $ 0 [15],[16],[19],[38],[41]  
Percentage of Net Assets       0.00% [15],[16],[19],[38],[41]  
Investment, Identifier [Axis]: BP Veraison Buyer, LLC (dba Sun World), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[29] 5.75% [12],[29] 5.75% [12],[29] 5.50% [15],[16],[17]  
Par / Units $ 68,161,000 [12],[29]     $ 68,684,000 [15],[16],[17]  
Amortized Cost 67,604,000 [12],[29]     68,029,000 [15],[16],[17]  
Fair Value $ 67,990,000 [12],[29]     $ 68,169,000 [15],[16],[17]  
Percentage of Net Assets 1.10% [12],[29] 1.10% [12],[29] 1.10% [12],[29] 1.20% [15],[16],[17]  
Investment, Identifier [Axis]: BP Veraison Buyer, LLC (dba Sun World), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[24],[33] 5.75% [12],[24],[33] 5.75% [12],[24],[33] 5.50% [15],[16],[19],[41]  
Par / Units $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Amortized Cost (66,000) [12],[24],[33]     (79,000) [15],[16],[19],[41]  
Fair Value $ (22,000) [12],[24],[33]     $ (65,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Balrog Acquisition, Inc. (dba Bakemark), Second lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.00% [12],[13] 7.00% [12],[13] 7.00% [12],[13] 7.00% [15],[16],[17]  
Par / Units $ 22,000,000 [12],[13]     $ 22,000,000 [15],[16],[17]  
Amortized Cost 21,851,000 [12],[13]     21,838,000 [15],[16],[17]  
Fair Value $ 21,835,000 [12],[13]     $ 21,780,000 [15],[16],[17]  
Percentage of Net Assets 0.40% [12],[13] 0.40% [12],[13] 0.40% [12],[13] 0.40% [15],[16],[17]  
Investment, Identifier [Axis]: Bamboo US BidCo LLC, First lien senior secured EUR term loan          
Schedule of Investments [Line Items]          
Interest 6.00% [12],[52] 6.00% [12],[52] 6.00% [12],[52]    
Par / Units | €   € 3,063 [12],[52]      
Amortized Cost $ 3,146,000 [12],[52]        
Fair Value $ 3,146,000 [12],[52]        
Percentage of Net Assets 0.10% [12],[52] 0.10% [12],[52] 0.10% [12],[52]    
Investment, Identifier [Axis]: Bamboo US BidCo LLC, First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest 6.00% [12],[24],[32],[33] 6.00% [12],[24],[32],[33] 6.00% [12],[24],[32],[33]    
Par / Units $ 0 [12],[24],[32],[33]        
Amortized Cost (12,000) [12],[24],[32],[33]        
Fair Value $ (12,000) [12],[24],[32],[33]        
Percentage of Net Assets 0.00% [12],[24],[32],[33] 0.00% [12],[24],[32],[33] 0.00% [12],[24],[32],[33]    
Investment, Identifier [Axis]: Bamboo US BidCo LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.00% [12],[29] 6.00% [12],[29] 6.00% [12],[29]    
Par / Units $ 4,923,000 [12],[29]        
Amortized Cost 4,775,000 [12],[29]        
Fair Value $ 4,775,000 [12],[29]        
Percentage of Net Assets 0.10% [12],[29] 0.10% [12],[29] 0.10% [12],[29]    
Investment, Identifier [Axis]: Bamboo US BidCo LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.00% [12],[24],[33] 6.00% [12],[24],[33] 6.00% [12],[24],[33]    
Par / Units $ 0 [12],[24],[33]        
Amortized Cost (31,000) [12],[24],[33]        
Fair Value $ (31,000) [12],[24],[33]        
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33]    
Investment, Identifier [Axis]: Bayshore Intermediate #2, L.P. (dba Boomi), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       7.75% [15],[16],[34]  
Interest, PIK 7.50% [12],[29] 7.50% [12],[29] 7.50% [12],[29] 7.75% [15],[16],[34]  
Par / Units $ 102,258,000 [12],[29]     $ 92,829,000 [15],[16],[34]  
Amortized Cost 100,796,000 [12],[29]     91,215,000 [15],[16],[34]  
Fair Value $ 100,980,000 [12],[29]     $ 90,973,000 [15],[16],[34]  
Percentage of Net Assets 1.70% [12],[29] 1.70% [12],[29] 1.70% [12],[29] 1.50% [15],[16],[34]  
Investment, Identifier [Axis]: Bayshore Intermediate #2, L.P. (dba Boomi), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[24],[29] 6.50% [12],[24],[29] 6.50% [12],[24],[29] 6.75% [15],[16],[19],[34]  
Par / Units $ 1,384,000 [12],[24],[29]     $ 2,306,000 [15],[16],[19],[34]  
Amortized Cost 1,280,000 [12],[24],[29]     2,183,000 [15],[16],[19],[34]  
Fair Value $ 1,297,000 [12],[24],[29]     $ 2,168,000 [15],[16],[19],[34]  
Percentage of Net Assets 0.00% [12],[24],[29] 0.00% [12],[24],[29] 0.00% [12],[24],[29] 0.00% [15],[16],[19],[34]  
Investment, Identifier [Axis]: Blackhawk Network Holdings, Inc., Second lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.00% [12],[13] 7.00% [12],[13] 7.00% [12],[13] 7.00% [15],[16],[17]  
Par / Units $ 106,400,000 [12],[13]     $ 106,400,000 [15],[16],[17]  
Amortized Cost 105,982,000 [12],[13]     105,887,000 [15],[16],[17]  
Fair Value $ 106,134,000 [12],[13]     $ 105,869,000 [15],[16],[17]  
Percentage of Net Assets 1.80% [12],[13] 1.80% [12],[13] 1.80% [12],[13] 1.80% [15],[16],[17]  
Investment, Identifier [Axis]: Blend Labs, Inc., Common stock          
Schedule of Investments [Line Items]          
Units (in shares) | shares 72,317 [12],[31],[53] 72,317 [12],[31],[53] 72,317 [12],[31],[53] 72,317 [16],[27],[54]  
Amortized Cost $ 1,000,000 [12],[31],[53]     $ 1,000,000 [16],[27],[54]  
Fair Value $ 99,000 [12],[31],[53]     $ 104,000 [16],[27],[54]  
Percentage of Net Assets 0.00% [12],[31],[53] 0.00% [12],[31],[53] 0.00% [12],[31],[53] 0.00% [16],[27],[54]  
Investment, Identifier [Axis]: Blend Labs, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.50% [12],[13] 7.50% [12],[13] 7.50% [12],[13] 7.50% [15],[16],[35]  
Par / Units $ 67,500,000 [12],[13]     $ 67,500,000 [15],[16],[35]  
Amortized Cost 66,499,000 [12],[13]     66,275,000 [15],[16],[35]  
Fair Value $ 65,813,000 [12],[13]     $ 66,319,000 [15],[16],[35]  
Percentage of Net Assets 1.10% [12],[13] 1.10% [12],[13] 1.10% [12],[13] 1.10% [15],[16],[35]  
Investment, Identifier [Axis]: Blend Labs, Inc., First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 7.50% [12],[24],[33] 7.50% [12],[24],[33] 7.50% [12],[24],[33] 7.50% [15],[16],[19],[41]  
Par / Units $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Amortized Cost (41,000) [12],[24],[33]     (52,000) [15],[16],[19],[41]  
Fair Value $ (188,000) [12],[24],[33]     $ (131,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Blend Labs, Inc., Warrants          
Schedule of Investments [Line Items]          
Units (in shares) | shares 179,529 [12],[25],[31] 179,529 [12],[25],[31] 179,529 [12],[25],[31] 179,529 [16],[27],[28]  
Amortized Cost $ 975,000 [12],[25],[31]     $ 975,000 [16],[27],[28]  
Fair Value $ 1,000 [12],[25],[31]     $ 5,000 [16],[27],[28]  
Percentage of Net Assets 0.00% [12],[25],[31] 0.00% [12],[25],[31] 0.00% [12],[25],[31] 0.00% [16],[27],[28]  
Investment, Identifier [Axis]: Blue Owl Capital Corporation Senior Loan Fund LLC (fka ORCC Senior Loan Fund LLC)(c)          
Schedule of Investments [Line Items]          
Fair Value $ 369,712,000 [55]     $ 288,981,000 [55]  
Investment, Identifier [Axis]: Blue Owl Capital Corporation Senior Loan Fund LLC (fka ORCC Senior Loan Fund LLC), LLC Interest          
Schedule of Investments [Line Items]          
Units (in shares) | shares 386,214,000 [14],[22],[25],[50],[56] 386,214,000 [14],[22],[25],[50],[56] 386,214,000 [14],[22],[25],[50],[56]    
Amortized Cost $ 386,214,000 [14],[22],[25],[50],[56]        
Fair Value $ 369,712,000 [14],[22],[25],[50],[56]        
Percentage of Net Assets 6.20% [14],[22],[25],[50],[56] 6.20% [14],[22],[25],[50],[56] 6.20% [14],[22],[25],[50],[56]    
Investment, Identifier [Axis]: Bracket Intermediate Holding Corp., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       4.25% [15],[16],[17]  
Par / Units       $ 510,000 [15],[16],[17]  
Amortized Cost       489,000 [15],[16],[17]  
Fair Value       $ 487,000 [15],[16],[17]  
Percentage of Net Assets       0.00% [15],[16],[17]  
Investment, Identifier [Axis]: Bracket Intermediate Holding Corp., Second lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       8.13% [15],[16],[17]  
Par / Units       $ 26,250,000 [15],[16],[17]  
Amortized Cost       25,959,000 [15],[16],[17]  
Fair Value       $ 25,200,000 [15],[16],[17]  
Percentage of Net Assets       0.40% [15],[16],[17]  
Investment, Identifier [Axis]: BradyIFS Holdings, LLC (fka Individual Foodservice Holdings, LLC), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.25% [12],[13] 6.25% [12],[13] 6.25% [12],[13] 6.25% [15],[16],[40]  
Par / Units $ 132,412,000 [12],[13]     $ 133,438,000 [15],[16],[40]  
Amortized Cost 131,316,000 [12],[13]     131,992,000 [15],[16],[40]  
Fair Value $ 132,412,000 [12],[13]     $ 133,104,000 [15],[16],[40]  
Percentage of Net Assets 2.20% [12],[13] 2.20% [12],[13] 2.20% [12],[13] 2.30% [15],[16],[40]  
Investment, Identifier [Axis]: BradyIFS Holdings, LLC (fka Individual Foodservice Holdings, LLC), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.25% [12],[13],[24] 6.25% [12],[13],[24] 6.25% [12],[13],[24] 6.25% [15],[16],[19],[41]  
Par / Units $ 2,277,000 [12],[13],[24]     $ 0 [15],[16],[19],[41]  
Amortized Cost 2,170,000 [12],[13],[24]     (176,000) [15],[16],[19],[41]  
Fair Value $ 2,277,000 [12],[13],[24]     $ (54,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[13],[24] 0.00% [12],[13],[24] 0.00% [12],[13],[24] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Brightway Holdings, LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[29] 6.50% [12],[29] 6.50% [12],[29] 6.50% [15],[16],[34]  
Par / Units $ 26,439,000 [12],[29]     $ 26,641,000 [15],[16],[34]  
Amortized Cost 26,190,000 [12],[29]     26,355,000 [15],[16],[34]  
Fair Value $ 25,911,000 [12],[29]     $ 26,108,000 [15],[16],[34]  
Percentage of Net Assets 0.40% [12],[29] 0.40% [12],[29] 0.40% [12],[29] 0.40% [15],[16],[34]  
Investment, Identifier [Axis]: Brightway Holdings, LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[24],[29] 6.50% [12],[24],[29] 6.50% [12],[24],[29] 6.50% [15],[16],[19],[41]  
Par / Units $ 1,579,000 [12],[24],[29]     $ 0 [15],[16],[19],[41]  
Amortized Cost 1,551,000 [12],[24],[29]     (33,000) [15],[16],[19],[41]  
Fair Value $ 1,516,000 [12],[24],[29]     $ (63,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[29] 0.00% [12],[24],[29] 0.00% [12],[24],[29] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Brooklyn Lender Co-Invest 2, L.P. (dba Boomi), Common Units          
Schedule of Investments [Line Items]          
Units (in shares) | shares 7,503,843 [12],[25],[31] 7,503,843 [12],[25],[31] 7,503,843 [12],[25],[31] 7,503,843 [16],[27],[28]  
Amortized Cost $ 7,504,000 [12],[25],[31]     $ 7,504,000 [16],[27],[28]  
Fair Value $ 7,706,000 [12],[25],[31]     $ 7,378,000 [16],[27],[28]  
Percentage of Net Assets 0.10% [12],[25],[31] 0.10% [12],[25],[31] 0.10% [12],[25],[31] 0.10% [16],[27],[28]  
Investment, Identifier [Axis]: CD&R Value Building Partners I, L.P. (dba Belron), LP Interest          
Schedule of Investments [Line Items]          
Units (in shares) | shares 32,912 [12],[14],[25],[31] 32,912 [12],[14],[25],[31] 32,912 [12],[14],[25],[31] 33,108,000 [16],[18],[27],[28]  
Amortized Cost $ 32,911,000 [12],[14],[25],[31]     $ 33,107,000 [16],[18],[27],[28]  
Fair Value $ 39,078,000 [12],[14],[25],[31]     $ 33,955,000 [16],[18],[27],[28]  
Percentage of Net Assets 0.70% [12],[14],[25],[31] 0.70% [12],[14],[25],[31] 0.70% [12],[14],[25],[31] 0.60% [16],[18],[27],[28]  
Investment, Identifier [Axis]: CIBT Global, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.25% [12],[29],[57] 5.25% [12],[29],[57] 5.25% [12],[29],[57] 5.25% [15],[16],[17],[58]  
Interest, PIK 4.25% [12],[29],[57] 4.25% [12],[29],[57] 4.25% [12],[29],[57] 4.25% [15],[16],[17],[58]  
Par / Units $ 932,000 [12],[29],[57]     $ 903,000 [15],[16],[17],[58]  
Amortized Cost 588,000 [12],[29],[57]     616,000 [15],[16],[17],[58]  
Fair Value $ 625,000 [12],[29],[57]     $ 470,000 [15],[16],[17],[58]  
Percentage of Net Assets 0.00% [12],[29],[57] 0.00% [12],[29],[57] 0.00% [12],[29],[57] 0.00% [15],[16],[17],[58]  
Investment, Identifier [Axis]: CIBT Global, Inc., Second lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       7.75% [15],[16],[17],[58]  
Interest, PIK 7.75% [12],[29],[57] 7.75% [12],[29],[57] 7.75% [12],[29],[57] 7.75% [15],[16],[17],[58]  
Par / Units $ 63,678,000 [12],[29],[57]     $ 63,678,000 [15],[16],[17],[58]  
Amortized Cost 26,718,000 [12],[29],[57]     26,736,000 [15],[16],[17],[58]  
Fair Value $ 8,437,000 [12],[29],[57]     $ 6,048,000 [15],[16],[17],[58]  
Percentage of Net Assets 0.10% [12],[29],[57] 0.10% [12],[29],[57] 0.10% [12],[29],[57] 0.10% [15],[16],[17],[58]  
Investment, Identifier [Axis]: CP PIK DEBT ISSUER, LLC (dba CivicPlus, LLC), Unsecured notes          
Schedule of Investments [Line Items]          
Interest       11.75% [15],[16],[39]  
Interest, PIK 11.75% [12],[37] 11.75% [12],[37] 11.75% [12],[37] 11.75% [15],[16],[39]  
Par / Units $ 19,587,000 [12],[37]     $ 17,837,000 [15],[16],[39]  
Amortized Cost 19,136,000 [12],[37]     17,357,000 [15],[16],[39]  
Fair Value $ 19,538,000 [12],[37]     $ 17,569,000 [15],[16],[39]  
Percentage of Net Assets 0.30% [12],[37] 0.30% [12],[37] 0.30% [12],[37] 0.30% [15],[16],[39]  
Investment, Identifier [Axis]: CSC MKG Topco LLC (dba Medical Knowledge Group), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[13] 5.75% [12],[13] 5.75% [12],[13]    
Par / Units $ 1,265,000 [12],[13]        
Amortized Cost 1,244,000 [12],[13]        
Fair Value $ 1,249,000 [12],[13]        
Percentage of Net Assets 0.00% [12],[13] 0.00% [12],[13] 0.00% [12],[13]    
Investment, Identifier [Axis]: CSC Mkg Topco LLC (dba Medical Knowledge Group), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       5.75% [15],[16],[34]  
Par / Units       $ 1,274,000 [15],[16],[34]  
Amortized Cost       1,252,000 [15],[16],[34]  
Fair Value       $ 1,246,000 [15],[16],[34]  
Percentage of Net Assets       0.00% [15],[16],[34]  
Investment, Identifier [Axis]: Catalis Intermediate, Inc. (fka GovBrands Intermediate, Inc.), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.50% [12],[29] 5.50% [12],[29] 5.50% [12],[29]    
Par / Units $ 12,827,000 [12],[29]        
Amortized Cost 12,606,000 [12],[29]        
Fair Value $ 12,153,000 [12],[29]        
Percentage of Net Assets 0.20% [12],[29] 0.20% [12],[29] 0.20% [12],[29]    
Investment, Identifier [Axis]: Catalis Intermediate, Inc. (fka GovBrands Intermediate, Inc.), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.50% [12],[13],[24] 5.50% [12],[13],[24] 5.50% [12],[13],[24]    
Par / Units $ 273,000 [12],[13],[24]        
Amortized Cost 260,000 [12],[13],[24]        
Fair Value $ 232,000 [12],[13],[24]        
Percentage of Net Assets 0.00% [12],[13],[24] 0.00% [12],[13],[24] 0.00% [12],[13],[24]    
Investment, Identifier [Axis]: Centrify Corporation, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[29] 5.75% [12],[29] 5.75% [12],[29] 6.00% [15],[16],[17]  
Par / Units $ 65,725,000 [12],[29]     $ 66,229,000 [15],[16],[17]  
Amortized Cost 64,574,000 [12],[29]     64,922,000 [15],[16],[17]  
Fair Value $ 65,395,000 [12],[29]     $ 65,401,000 [15],[16],[17]  
Percentage of Net Assets 1.10% [12],[29] 1.10% [12],[29] 1.10% [12],[29] 1.10% [15],[16],[17]  
Investment, Identifier [Axis]: Centrify Corporation, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[24],[33] 5.75% [12],[24],[33] 5.75% [12],[24],[33] 6.00% [15],[16],[17]  
Par / Units $ 0 [12],[24],[33]     $ 6,817,000 [15],[16],[17]  
Amortized Cost (114,000) [12],[24],[33]     6,678,000 [15],[16],[17]  
Fair Value $ (34,000) [12],[24],[33]     $ 6,732,000 [15],[16],[17]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.10% [15],[16],[17]  
Investment, Identifier [Axis]: Chapford SMA Partnership, L.P.          
Schedule of Investments [Line Items]          
Fair Value       $ 6,175,000 0
Investment, Identifier [Axis]: Circana Group, L.P. (fka The NPD Group, L.P.), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.25% [12],[13] 6.25% [12],[13] 6.25% [12],[13]    
Interest, PIK 2.75% [12],[13] 2.75% [12],[13] 2.75% [12],[13]    
Par / Units $ 19,052,000 [12],[13]        
Amortized Cost 18,720,000 [12],[13]        
Fair Value $ 18,861,000 [12],[13]        
Percentage of Net Assets 0.30% [12],[13] 0.30% [12],[13] 0.30% [12],[13]    
Investment, Identifier [Axis]: Circana Group, L.P. (fka The NPD Group, L.P.), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[13],[24] 5.75% [12],[13],[24] 5.75% [12],[13],[24]    
Par / Units $ 272,000 [12],[13],[24]        
Amortized Cost 248,000 [12],[13],[24]        
Fair Value $ 257,000 [12],[13],[24]        
Percentage of Net Assets 0.00% [12],[13],[24] 0.00% [12],[13],[24] 0.00% [12],[13],[24]    
Investment, Identifier [Axis]: CivicPlus, LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[29] 6.50% [12],[29] 6.50% [12],[29] 6.75% [15],[16],[17]  
Interest, PIK 2.50% [12],[29] 2.50% [12],[29] 2.50% [12],[29] 2.50% [15],[16],[17]  
Par / Units $ 35,357,000 [12],[29]     $ 34,693,000 [15],[16],[17]  
Amortized Cost 35,100,000 [12],[29]     34,394,000 [15],[16],[17]  
Fair Value $ 35,357,000 [12],[29]     $ 34,606,000 [15],[16],[17]  
Percentage of Net Assets 0.60% [12],[29] 0.60% [12],[29] 0.60% [12],[29] 0.60% [15],[16],[17]  
Investment, Identifier [Axis]: CivicPlus, LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.00% [12],[13],[24] 6.00% [12],[13],[24] 6.00% [12],[13],[24] 6.25% [15],[16],[19],[41]  
Par / Units $ 216,000 [12],[13],[24]     $ 0 [15],[16],[19],[41]  
Amortized Cost 197,000 [12],[13],[24]     (22,000) [15],[16],[19],[41]  
Fair Value $ 216,000 [12],[13],[24]     $ (7,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[13],[24] 0.00% [12],[13],[24] 0.00% [12],[13],[24] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Conair Holdings LLC, Second lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.50% [12],[13] 7.50% [12],[13] 7.50% [12],[13]    
Par / Units $ 187,500,000 [12],[13]        
Amortized Cost 186,406,000 [12],[13]        
Fair Value $ 177,655,000 [12],[13]        
Percentage of Net Assets 3.00% [12],[13] 3.00% [12],[13] 3.00% [12],[13]    
Investment, Identifier [Axis]: Conair Holdings, LLC, Second lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       7.50% [15],[16],[17]  
Par / Units       $ 187,500,000 [15],[16],[17]  
Amortized Cost       186,310,000 [15],[16],[17]  
Fair Value       $ 170,626,000 [15],[16],[17]  
Percentage of Net Assets       2.90% [15],[16],[17]  
Investment, Identifier [Axis]: Confluent Medical Technologies, Inc., Second lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[29] 6.50% [12],[29] 6.50% [12],[29] 6.50% [15],[16],[40]  
Par / Units $ 1,000,000 [12],[29]     $ 1,000,000 [15],[16],[40]  
Amortized Cost 984,000 [12],[29]     983,000 [15],[16],[40]  
Fair Value $ 980,000 [12],[29]     $ 948,000 [15],[16],[40]  
Percentage of Net Assets 0.00% [12],[29] 0.00% [12],[29] 0.00% [12],[29] 0.00% [15],[16],[40]  
Investment, Identifier [Axis]: Cornerstone OnDemand, Inc., Second lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[13] 6.50% [12],[13] 6.50% [12],[13] 6.50% [15],[16],[34]  
Par / Units $ 115,833,000 [12],[13]     $ 115,833,000 [15],[16],[34]  
Amortized Cost 114,415,000 [12],[13]     114,294,000 [15],[16],[34]  
Fair Value $ 105,119,000 [12],[13]     $ 111,200,000 [15],[16],[34]  
Percentage of Net Assets 1.80% [12],[13] 1.80% [12],[13] 1.80% [12],[13] 1.90% [15],[16],[34]  
Investment, Identifier [Axis]: Coupa Holdings, LLC, First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest 7.50% [12],[24],[32],[33] 7.50% [12],[24],[32],[33] 7.50% [12],[24],[32],[33]    
Par / Units $ 0 [12],[24],[32],[33]        
Amortized Cost (1,000) [12],[24],[32],[33]        
Fair Value $ (1,000) [12],[24],[32],[33]        
Percentage of Net Assets 0.00% [12],[24],[32],[33] 0.00% [12],[24],[32],[33] 0.00% [12],[24],[32],[33]    
Investment, Identifier [Axis]: Coupa Holdings, LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.50% [12],[13] 7.50% [12],[13] 7.50% [12],[13]    
Par / Units $ 785,000 [12],[13]        
Amortized Cost 767,000 [12],[13]        
Fair Value $ 770,000 [12],[13]        
Percentage of Net Assets 0.00% [12],[13] 0.00% [12],[13] 0.00% [12],[13]    
Investment, Identifier [Axis]: Coupa Holdings, LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 7.50% [12],[24],[33] 7.50% [12],[24],[33] 7.50% [12],[24],[33]    
Par / Units $ 0 [12],[24],[33]        
Amortized Cost (1,000) [12],[24],[33]        
Fair Value $ (1,000) [12],[24],[33]        
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33]    
Investment, Identifier [Axis]: Covetrus Inc., Second lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 9.25% [12],[29] 9.25% [12],[29] 9.25% [12],[29] 9.25% [15],[16],[40]  
Par / Units $ 5,000,000 [12],[29]     $ 5,000,000 [15],[16],[40]  
Amortized Cost 4,905,000 [12],[29]     4,900,000 [15],[16],[40]  
Fair Value $ 4,975,000 [12],[29]     $ 4,898,000 [15],[16],[40]  
Percentage of Net Assets 0.10% [12],[29] 0.10% [12],[29] 0.10% [12],[29] 0.10% [15],[16],[40]  
Investment, Identifier [Axis]: Delta TopCo, Inc. (dba Infoblox, Inc.), Second lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.25% [12],[37] 7.25% [12],[37] 7.25% [12],[37] 7.25% [15],[16],[40]  
Par / Units $ 15,000,000 [12],[37]     $ 15,000,000 [15],[16],[40]  
Amortized Cost 14,947,000 [12],[37]     14,941,000 [15],[16],[40]  
Fair Value $ 14,813,000 [12],[37]     $ 13,950,000 [15],[16],[40]  
Percentage of Net Assets 0.20% [12],[37] 0.20% [12],[37] 0.20% [12],[37] 0.20% [15],[16],[40]  
Investment, Identifier [Axis]: Denali BuyerCo, LLC (dba Summit Companies), First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest       5.75% [15],[16],[17],[19],[38]  
Par / Units       $ 8,229,000 [15],[16],[17],[19],[38]  
Amortized Cost       8,122,000 [15],[16],[17],[19],[38]  
Fair Value       $ 8,147,000 [15],[16],[17],[19],[38]  
Percentage of Net Assets       0.10% [15],[16],[17],[19],[38]  
Investment, Identifier [Axis]: Denali BuyerCo, LLC (dba Summit Companies), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.50% [12],[29] 5.50% [12],[29] 5.50% [12],[29] 5.75% [15],[16],[17]  
Par / Units $ 52,884,000 [12],[29]     $ 43,339,000 [15],[16],[17]  
Amortized Cost 52,298,000 [12],[29]     42,786,000 [15],[16],[17]  
Fair Value $ 52,752,000 [12],[29]     $ 42,905,000 [15],[16],[17]  
Percentage of Net Assets 0.90% [12],[29] 0.90% [12],[29] 0.90% [12],[29] 0.70% [15],[16],[17]  
Investment, Identifier [Axis]: Denali BuyerCo, LLC (dba Summit Companies), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.50% [12],[24],[33] 5.50% [12],[24],[33] 5.50% [12],[24],[33] 5.75% [15],[16],[19],[41]  
Par / Units $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Amortized Cost (20,000) [12],[24],[33]     (24,000) [15],[16],[19],[41]  
Fair Value $ (7,000) [12],[24],[33]     $ (30,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Denali Holding, LP (dba Summit Companies), Class A Units          
Schedule of Investments [Line Items]          
Units (in shares) | shares 337,460 [12],[25],[31] 337,460 [12],[25],[31] 337,460 [12],[25],[31] 337,460 [16],[27],[28]  
Amortized Cost $ 3,431,000 [12],[25],[31]     $ 3,431,000 [16],[27],[28]  
Fair Value $ 5,020,000 [12],[25],[31]     $ 4,344,000 [16],[27],[28]  
Percentage of Net Assets 0.10% [12],[25],[31] 0.10% [12],[25],[31] 0.10% [12],[25],[31] 0.10% [16],[27],[28]  
Investment, Identifier [Axis]: Diagnostic Service Holdings, Inc. (dba Rayus Radiology), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       5.50% [15],[16],[34]  
Par / Units       $ 998,000 [15],[16],[34]  
Amortized Cost       998,000 [15],[16],[34]  
Fair Value       $ 988,000 [15],[16],[34]  
Percentage of Net Assets       0.00% [15],[16],[34]  
Investment, Identifier [Axis]: Diagnostic Services Holdings, Inc. (dba Rayus Radiology), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.50% [12],[13] 5.50% [12],[13] 5.50% [12],[13]    
Par / Units $ 996,000 [12],[13]        
Amortized Cost 996,000 [12],[13]        
Fair Value $ 991,000 [12],[13]        
Percentage of Net Assets 0.00% [12],[13] 0.00% [12],[13] 0.00% [12],[13]    
Investment, Identifier [Axis]: Diamondback Acquisition, Inc. (dba Sphera), First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest       5.50% [15],[16],[19],[38],[41]  
Par / Units       $ 0 [15],[16],[19],[38],[41]  
Amortized Cost       (9,000) [15],[16],[19],[38],[41]  
Fair Value       $ 0 [15],[16],[19],[38],[41]  
Percentage of Net Assets       0.00% [15],[16],[19],[38],[41]  
Investment, Identifier [Axis]: Diamondback Acquisition, Inc. (dba Sphera), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.50% [12],[13] 5.50% [12],[13] 5.50% [12],[13] 5.50% [15],[16],[34]  
Par / Units $ 4,077,000 [12],[13]     $ 4,109,000 [15],[16],[34]  
Amortized Cost 4,015,000 [12],[13]     4,039,000 [15],[16],[34]  
Fair Value $ 4,016,000 [12],[13]     $ 4,068,000 [15],[16],[34]  
Percentage of Net Assets 0.10% [12],[13] 0.10% [12],[13] 0.10% [12],[13] 0.10% [15],[16],[34]  
Investment, Identifier [Axis]: Dodge Construction Network Holdings, L.P., Class A-2 Common Units          
Schedule of Investments [Line Items]          
Units (in shares) | shares 2,181,629 [12],[25],[31] 2,181,629 [12],[25],[31] 2,181,629 [12],[25],[31]    
Amortized Cost $ 1,859,000 [12],[25],[31]        
Fair Value $ 1,533,000 [12],[25],[31]        
Percentage of Net Assets 0.00% [12],[25],[31] 0.00% [12],[25],[31] 0.00% [12],[25],[31]    
Investment, Identifier [Axis]: Dodge Construction Network Holdings, L.P., Series A Preferred Units          
Schedule of Investments [Line Items]          
Interest 8.25% [12],[25] 8.25% [12],[25] 8.25% [12],[25]    
Units (in shares) | shares 0 [12],[25] 0 [12],[25] 0 [12],[25]    
Amortized Cost $ 45,000 [12],[25]        
Fair Value $ 34,000 [12],[25]        
Percentage of Net Assets 0.00% [12],[25] 0.00% [12],[25] 0.00% [12],[25]    
Investment, Identifier [Axis]: Dodge Construction Network Holdings, LP, Class A-2 Common Units          
Schedule of Investments [Line Items]          
Units (in shares) | shares       2,181,629 [16],[27],[28]  
Amortized Cost       $ 1,859,000 [16],[27],[28]  
Fair Value       $ 1,855,000 [16],[27],[28]  
Percentage of Net Assets       0.00% [16],[27],[28]  
Investment, Identifier [Axis]: Dodge Construction Network Holdings, LP, Series A Preferred Units          
Schedule of Investments [Line Items]          
Interest       8.25% [16],[28],[42]  
Interest, PIK       8.25% [16],[28],[42]  
Units (in shares) | shares       0 [16],[28],[42]  
Amortized Cost       $ 45,000 [16],[28],[42]  
Fair Value       $ 45,000 [16],[28],[42]  
Percentage of Net Assets       0.00% [16],[28],[42]  
Investment, Identifier [Axis]: Douglas Products and Packaging Company LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       7.00% [15],[16],[35]  
Par / Units       $ 18,688,000 [15],[16],[35]  
Amortized Cost       18,505,000 [15],[16],[35]  
Fair Value       $ 18,501,000 [15],[16],[35]  
Percentage of Net Assets       0.30% [15],[16],[35]  
Investment, Identifier [Axis]: Douglas Products and Packaging Company LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest       7.00% [15],[16],[19],[41]  
Par / Units       $ 0 [15],[16],[19],[41]  
Amortized Cost       (24,000) [15],[16],[19],[41]  
Fair Value       $ (24,000) [15],[16],[19],[41]  
Percentage of Net Assets       0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: EET Buyer, Inc. (dba e-Emphasys), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[29] 6.50% [12],[29] 6.50% [12],[29] 5.25% [15],[16],[30]  
Par / Units $ 4,477,000 [12],[29]     $ 4,511,000 [15],[16],[30]  
Amortized Cost 4,445,000 [12],[29]     4,474,000 [15],[16],[30]  
Fair Value $ 4,477,000 [12],[29]     $ 4,511,000 [15],[16],[30]  
Percentage of Net Assets 0.10% [12],[29] 0.10% [12],[29] 0.10% [12],[29] 0.10% [15],[16],[30]  
Investment, Identifier [Axis]: EET Buyer, Inc. (dba e-Emphasys), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[24],[37] 6.50% [12],[24],[37] 6.50% [12],[24],[37] 5.25% [15],[16],[19],[41]  
Par / Units $ 91,000 [12],[24],[37]     $ 0 [15],[16],[19],[41]  
Amortized Cost 88,000 [12],[24],[37]     (4,000) [15],[16],[19],[41]  
Fair Value $ 91,000 [12],[24],[37]     $ 0 [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[37] 0.00% [12],[24],[37] 0.00% [12],[24],[37] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Eagle Infrastructure Services, LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.50% [22],[29] 7.50% [22],[29] 7.50% [22],[29]    
Par / Units $ 87,536,000 [22],[29]        
Amortized Cost 85,916,000 [22],[29]        
Fair Value $ 86,004,000 [22],[29]        
Percentage of Net Assets 1.40% [22],[29] 1.40% [22],[29] 1.40% [22],[29]    
Investment, Identifier [Axis]: Eagle Infrastructure Super Holdco LLC, Common Units          
Schedule of Investments [Line Items]          
Units (in shares) | shares 576,276 [12],[22],[25] 576,276 [12],[22],[25] 576,276 [12],[22],[25]    
Amortized Cost $ 24,058,000 [12],[22],[25]        
Fair Value $ 24,058,000 [12],[22],[25]        
Percentage of Net Assets 0.40% [12],[22],[25] 0.40% [12],[22],[25] 0.40% [12],[22],[25]    
Investment, Identifier [Axis]: Eagle Infrastructure Super Llc          
Schedule of Investments [Line Items]          
Fair Value $ 110,062,000     $ 0  
Investment, Identifier [Axis]: Elliott Alto Co-Investor Aggregator L.P., LP Interest          
Schedule of Investments [Line Items]          
Units (in shares) | shares 3,134,000 [12],[14],[25],[31] 3,134,000 [12],[14],[25],[31] 3,134,000 [12],[14],[25],[31] 3,134,000 [16],[18],[27],[28]  
Amortized Cost $ 3,153,000 [12],[14],[25],[31]     $ 3,144,000 [16],[18],[27],[28]  
Fair Value $ 2,970,000 [12],[14],[25],[31]     $ 3,133,000 [16],[18],[27],[28]  
Percentage of Net Assets 0.00% [12],[14],[25],[31] 0.00% [12],[14],[25],[31] 0.00% [12],[14],[25],[31] 0.10% [16],[18],[27],[28]  
Investment, Identifier [Axis]: Endries Acquisition, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.25% [12],[13] 5.25% [12],[13] 5.25% [12],[13] 6.25% [15],[16],[40]  
Par / Units $ 235,768,000 [12],[13]     $ 237,607,000 [15],[16],[40]  
Amortized Cost 234,248,000 [12],[13]     235,615,000 [15],[16],[40]  
Fair Value $ 235,767,000 [12],[13]     $ 237,607,000 [15],[16],[40]  
Percentage of Net Assets 3.90% [12],[13] 3.90% [12],[13] 3.90% [12],[13] 4.00% [15],[16],[40]  
Investment, Identifier [Axis]: Engage Debtco Limited, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       5.75% [15],[16],[18],[40]  
Interest, PIK 5.90% [12],[14],[29] 5.90% [12],[14],[29] 5.90% [12],[14],[29]    
Par / Units $ 1,000,000 [12],[14],[29]     $ 1,000,000 [15],[16],[18],[40]  
Amortized Cost 979,000 [12],[14],[29]     976,000 [15],[16],[18],[40]  
Fair Value $ 983,000 [12],[14],[29]     $ 978,000 [15],[16],[18],[40]  
Percentage of Net Assets 0.00% [12],[14],[29] 0.00% [12],[14],[29] 0.00% [12],[14],[29] 0.00% [15],[16],[18],[40]  
Investment, Identifier [Axis]: Entertainment Benefits Group, LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 4.75% [12],[13] 4.75% [12],[13] 4.75% [12],[13] 4.75% [15],[16],[35]  
Par / Units $ 856,000 [12],[13]     $ 862,000 [15],[16],[35]  
Amortized Cost 849,000 [12],[13]     855,000 [15],[16],[35]  
Fair Value $ 856,000 [12],[13]     $ 862,000 [15],[16],[35]  
Percentage of Net Assets 0.00% [12],[13] 0.00% [12],[13] 0.00% [12],[13] 0.00% [15],[16],[35]  
Investment, Identifier [Axis]: Entertainment Benefits Group, LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 4.75% [12],[13],[24] 4.75% [12],[13],[24] 4.75% [12],[13],[24] 4.75% [15],[16],[19],[35]  
Par / Units $ 22,000 [12],[13],[24]     $ 89,000 [15],[16],[19],[35]  
Amortized Cost 21,000 [12],[13],[24]     88,000 [15],[16],[19],[35]  
Fair Value $ 22,000 [12],[13],[24]     $ 89,000 [15],[16],[19],[35]  
Percentage of Net Assets 0.00% [12],[13],[24] 0.00% [12],[13],[24] 0.00% [12],[13],[24] 0.00% [15],[16],[19],[35]  
Investment, Identifier [Axis]: Evology, LLC, Class B Units          
Schedule of Investments [Line Items]          
Units (in shares) | shares 451 [12],[25],[31] 451 [12],[25],[31] 451 [12],[25],[31] 451 [16],[27],[28]  
Amortized Cost $ 2,160,000 [12],[25],[31]     $ 2,160,000 [16],[27],[28]  
Fair Value $ 2,065,000 [12],[25],[31]     $ 2,771,000 [16],[27],[28]  
Percentage of Net Assets 0.00% [12],[25],[31] 0.00% [12],[25],[31] 0.00% [12],[25],[31] 0.00% [16],[27],[28]  
Investment, Identifier [Axis]: Evolution BuyerCo, Inc. (dba SIAA), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.25% [12],[29] 6.25% [12],[29] 6.25% [12],[29] 6.25% [15],[16],[40]  
Par / Units $ 140,639,000 [12],[29]     $ 141,715,000 [15],[16],[40]  
Amortized Cost 139,203,000 [12],[29]     140,083,000 [15],[16],[40]  
Fair Value $ 139,584,000 [12],[29]     $ 139,589,000 [15],[16],[40]  
Percentage of Net Assets 2.30% [12],[29] 2.30% [12],[29] 2.30% [12],[29] 2.40% [15],[16],[40]  
Investment, Identifier [Axis]: Evolution BuyerCo, Inc. (dba SIAA), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.25% [12],[24],[33] 6.25% [12],[24],[33] 6.25% [12],[24],[33] 6.25% [15],[16],[19],[41]  
Par / Units $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Amortized Cost (91,000) [12],[24],[33]     (110,000) [15],[16],[19],[41]  
Fair Value $ (80,000) [12],[24],[33]     $ (161,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Evolution Parent, LP (dba SIAA), LP Interest          
Schedule of Investments [Line Items]          
Units (in shares) | shares 42,838 [12],[25],[31] 42,838 [12],[25],[31] 42,838 [12],[25],[31] 42,838 [16],[27],[28]  
Amortized Cost $ 4,284,000 [12],[25],[31]     $ 4,284,000 [16],[27],[28]  
Fair Value $ 4,793,000 [12],[25],[31]     $ 4,284,000 [16],[27],[28]  
Percentage of Net Assets 0.10% [12],[25],[31] 0.10% [12],[25],[31] 0.10% [12],[25],[31] 0.10% [16],[27],[28]  
Investment, Identifier [Axis]: Ex Vivo Parent Inc. (dba OB Hospitalist), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       9.50% [15],[16],[17]  
Interest, PIK 9.75% [12],[29] 9.75% [12],[29] 9.75% [12],[29]    
Par / Units $ 64,433,000 [12],[29]     $ 57,810,000 [15],[16],[17]  
Amortized Cost 63,517,000 [12],[29]     56,803,000 [15],[16],[17]  
Fair Value $ 62,822,000 [12],[29]     $ 56,509,000 [15],[16],[17]  
Percentage of Net Assets 1.00% [12],[29] 1.00% [12],[29] 1.00% [12],[29] 1.00% [15],[16],[17]  
Investment, Identifier [Axis]: FR Arsenal Holdings II Corp. (dba Applied-Cleveland Holdings, Inc.), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       9.50% [15],[34],[58]  
Interest, PIK       2.00% [15],[34],[58]  
Par / Units       $ 115,847,000 [15],[34],[58]  
Amortized Cost       115,422,000 [15],[34],[58]  
Fair Value       $ 103,104,000 [15],[34],[58]  
Percentage of Net Assets       1.80% [15],[34],[58]  
Investment, Identifier [Axis]: Fairchester Custom Windows          
Schedule of Investments [Line Items]          
Fair Value $ 7,600,000        
Investment, Identifier [Axis]: Feradyne Outdoors, LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.25% [12],[37] 6.25% [12],[37] 6.25% [12],[37] 6.25% [15],[16],[35]  
Par / Units $ 73,622,000 [12],[37]     $ 86,016,000 [15],[16],[35]  
Amortized Cost 73,622,000 [12],[37]     85,934,000 [15],[16],[35]  
Fair Value $ 68,837,000 [12],[37]     $ 84,726,000 [15],[16],[35]  
Percentage of Net Assets 1.10% [12],[37] 1.10% [12],[37] 1.10% [12],[37] 1.40% [15],[16],[35]  
Investment, Identifier [Axis]: Fifth Season Investments LLC (fka Chapford SMA Partnership, L.P.)          
Schedule of Investments [Line Items]          
Fair Value $ 123,500,000     $ 89,680,000 0
Investment, Identifier [Axis]: Fifth Season Investments LLC, Class A Units          
Schedule of Investments [Line Items]          
Units (in shares) | shares 28 [12],[22],[25] 28 [12],[22],[25] 28 [12],[22],[25] 28 [16],[27],[28],[51],[59]  
Amortized Cost $ 123,500,000 [12],[22],[25]     $ 89,680,000 [16],[27],[28],[51],[59]  
Fair Value $ 123,500,000 [12],[22],[25]     $ 89,680,000 [16],[27],[28],[51],[59]  
Percentage of Net Assets 2.10% [12],[22],[25] 2.10% [12],[22],[25] 2.10% [12],[22],[25] 1.50% [16],[27],[28],[51],[59]  
Investment, Identifier [Axis]: Finastra USA, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.25% [12],[14],[29] 7.25% [12],[14],[29] 7.25% [12],[14],[29]    
Par / Units $ 89,247,000 [12],[14],[29]        
Amortized Cost 88,354,000 [12],[14],[29]        
Fair Value $ 88,354,000 [12],[14],[29]        
Percentage of Net Assets 1.50% [12],[14],[29] 1.50% [12],[14],[29] 1.50% [12],[14],[29]    
Investment, Identifier [Axis]: Finastra USA, Inc., First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 7.25% [12],[14],[24],[29] 7.25% [12],[14],[24],[29] 7.25% [12],[14],[24],[29]    
Par / Units $ 1,960,000 [12],[14],[24],[29]        
Amortized Cost 1,868,000 [12],[14],[24],[29]        
Fair Value $ 1,868,000 [12],[14],[24],[29]        
Percentage of Net Assets 0.00% [12],[14],[24],[29] 0.00% [12],[14],[24],[29] 0.00% [12],[14],[24],[29]    
Investment, Identifier [Axis]: Forescout Technologies, Inc., First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest 9.00% [12],[24],[32],[33] 9.00% [12],[24],[32],[33] 9.00% [12],[24],[32],[33] 8.00% [15],[16],[19],[38],[41]  
Par / Units $ 0 [12],[24],[32],[33]     $ 0 [15],[16],[19],[38],[41]  
Amortized Cost (170,000) [12],[24],[32],[33]     (215,000) [15],[16],[19],[38],[41]  
Fair Value $ 0 [12],[24],[32],[33]     $ 0 [15],[16],[19],[38],[41]  
Percentage of Net Assets 0.00% [12],[24],[32],[33] 0.00% [12],[24],[32],[33] 0.00% [12],[24],[32],[33] 0.00% [15],[16],[19],[38],[41]  
Investment, Identifier [Axis]: Forescout Technologies, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       9.50% [15],[16],[17]  
Interest, PIK 9.00% [12],[29] 9.00% [12],[29] 9.00% [12],[29] 9.50% [15],[16],[17]  
Par / Units $ 70,255,000 [12],[29]     $ 103,707,000 [15],[16],[17]  
Amortized Cost 69,870,000 [12],[29]     102,767,000 [15],[16],[17]  
Fair Value $ 70,607,000 [12],[29]     $ 103,490,000 [15],[16],[17]  
Percentage of Net Assets 1.20% [12],[29] 1.20% [12],[29] 1.20% [12],[29] 1.80% [15],[16],[17]  
Investment, Identifier [Axis]: Forescout Technologies, Inc., First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 8.50% [12],[24],[33] 8.50% [12],[24],[33] 8.50% [12],[24],[33] 8.50% [15],[16],[19],[41]  
Par / Units $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Amortized Cost (35,000) [12],[24],[33]     (49,000) [15],[16],[19],[41]  
Fair Value $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest       5.50% [15],[16],[19],[38]  
Par / Units       $ 0 [15],[16],[19],[38]  
Amortized Cost       0 [15],[16],[19],[38]  
Fair Value       $ 0 [15],[16],[19],[38]  
Percentage of Net Assets       0.00% [15],[16],[19],[38]  
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.50% [12],[29] 5.50% [12],[29] 5.50% [12],[29] 5.50% [15],[16],[17]  
Par / Units $ 4,594,000 [12],[29]     $ 4,616,000 [15],[16],[17]  
Amortized Cost 4,523,000 [12],[29]     4,536,000 [15],[16],[17]  
Fair Value $ 4,491,000 [12],[29]     $ 4,489,000 [15],[16],[17]  
Percentage of Net Assets 0.10% [12],[29] 0.10% [12],[29] 0.10% [12],[29] 0.10% [15],[16],[17]  
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.50% [12],[24],[33] 5.50% [12],[24],[33] 5.50% [12],[24],[33] 5.50% [15],[16],[19],[30]  
Par / Units $ 0 [12],[24],[33]     $ 62,000 [15],[16],[19],[30]  
Amortized Cost (6,000) [12],[24],[33]     54,000 [15],[16],[19],[30]  
Fair Value $ (10,000) [12],[24],[33]     $ 49,000 [15],[16],[19],[30]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[30]  
Investment, Identifier [Axis]: Foundation Consumer Brands, LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.25% [12],[29] 6.25% [12],[29] 6.25% [12],[29] 5.50% [15],[16],[17]  
Par / Units $ 3,297,000 [12],[29]     $ 3,456,000 [15],[16],[17]  
Amortized Cost 3,297,000 [12],[29]     3,456,000 [15],[16],[17]  
Fair Value $ 3,297,000 [12],[29]     $ 3,447,000 [15],[16],[17]  
Percentage of Net Assets 0.10% [12],[29] 0.10% [12],[29] 0.10% [12],[29] 0.10% [15],[16],[17]  
Investment, Identifier [Axis]: Fullsteam Operations, LLC, First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest       7.50% [15],[16],[17],[19],[38]  
Interest, PIK       3.00% [15],[16],[17],[19],[38]  
Par / Units       $ 6,121,000 [15],[16],[17],[19],[38]  
Amortized Cost       5,940,000 [15],[16],[17],[19],[38]  
Fair Value       $ 5,994,000 [15],[16],[17],[19],[38]  
Percentage of Net Assets       0.10% [15],[16],[17],[19],[38]  
Investment, Identifier [Axis]: Fullsteam Operations, LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.50% [12],[29] 7.50% [12],[29] 7.50% [12],[29]    
Interest, PIK 3.00% [12],[29] 3.00% [12],[29] 3.00% [12],[29]    
Par / Units $ 10,662,000 [12],[29]        
Amortized Cost 10,467,000 [12],[29]        
Fair Value $ 10,769,000 [12],[29]        
Percentage of Net Assets 0.20% [12],[29] 0.20% [12],[29] 0.20% [12],[29]    
Investment, Identifier [Axis]: GI Apple Midco LLC (dba Atlas Technical Consultants), First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest 6.75% [12],[13],[24],[32] 6.75% [12],[13],[24],[32] 6.75% [12],[13],[24],[32]    
Par / Units $ 17,000 [12],[13],[24],[32]        
Amortized Cost 16,000 [12],[13],[24],[32]        
Fair Value $ 17,000 [12],[13],[24],[32]        
Percentage of Net Assets 0.00% [12],[13],[24],[32] 0.00% [12],[13],[24],[32] 0.00% [12],[13],[24],[32]    
Investment, Identifier [Axis]: GI Apple Midco LLC (dba Atlas Technical Consultants), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.75% [12],[13] 6.75% [12],[13] 6.75% [12],[13]    
Par / Units $ 728,000 [12],[13]        
Amortized Cost 714,000 [12],[13]        
Fair Value $ 717,000 [12],[13]        
Percentage of Net Assets 0.00% [12],[13] 0.00% [12],[13] 0.00% [12],[13]    
Investment, Identifier [Axis]: GI Apple Midco LLC (dba Atlas Technical Consultants), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.75% [12],[13],[24] 6.75% [12],[13],[24] 6.75% [12],[13],[24]    
Par / Units $ 68,000 [12],[13],[24]        
Amortized Cost 66,000 [12],[13],[24]        
Fair Value $ 67,000 [12],[13],[24]        
Percentage of Net Assets 0.00% [12],[13],[24] 0.00% [12],[13],[24] 0.00% [12],[13],[24]    
Investment, Identifier [Axis]: GI Ranger Intermediate, LLC (dba Rectangle Health), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[29] 5.75% [12],[29] 5.75% [12],[29] 6.00% [15],[16],[40]  
Par / Units $ 4,551,000 [12],[29]     $ 4,585,000 [15],[16],[40]  
Amortized Cost 4,480,000 [12],[29]     4,506,000 [15],[16],[40]  
Fair Value $ 4,482,000 [12],[29]     $ 4,471,000 [15],[16],[40]  
Percentage of Net Assets 0.10% [12],[29] 0.10% [12],[29] 0.10% [12],[29] 0.10% [15],[16],[40]  
Investment, Identifier [Axis]: GI Ranger Intermediate, LLC (dba Rectangle Health), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[24],[29] 5.75% [12],[24],[29] 5.75% [12],[24],[29] 6.00% [15],[16],[19],[40]  
Par / Units $ 147,000 [12],[24],[29]     $ 37,000 [15],[16],[19],[40]  
Amortized Cost 142,000 [12],[24],[29]     31,000 [15],[16],[19],[40]  
Fair Value $ 142,000 [12],[24],[29]     $ 28,000 [15],[16],[19],[40]  
Percentage of Net Assets 0.00% [12],[24],[29] 0.00% [12],[24],[29] 0.00% [12],[24],[29] 0.00% [15],[16],[19],[40]  
Investment, Identifier [Axis]: Gainsight, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       6.75% [15],[16],[17]  
Interest, PIK 6.75% [12],[60] 6.75% [12],[60] 6.75% [12],[60] 6.75% [15],[16],[17]  
Par / Units $ 23,116,000 [12],[60]     $ 21,222,000 [15],[16],[17]  
Amortized Cost 22,880,000 [12],[60]     20,951,000 [15],[16],[17]  
Fair Value $ 22,885,000 [12],[60]     $ 20,902,000 [15],[16],[17]  
Percentage of Net Assets 0.40% [12],[60] 0.40% [12],[60] 0.40% [12],[60] 0.40% [15],[16],[17]  
Investment, Identifier [Axis]: Gainsight, Inc., First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest       6.25% [15],[16],[19],[41]  
Interest, PIK 6.75% [12],[24],[60] 6.75% [12],[24],[60] 6.75% [12],[24],[60]    
Par / Units $ 1,657,000 [12],[24],[60]     $ 0 [15],[16],[19],[41]  
Amortized Cost 1,619,000 [12],[24],[60]     (45,000) [15],[16],[19],[41]  
Fair Value $ 1,623,000 [12],[24],[60]     $ (50,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[60] 0.00% [12],[24],[60] 0.00% [12],[24],[60] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Galls, LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.75% [12],[29] 6.75% [12],[29] 6.75% [12],[29] 6.75% [15],[16],[17]  
Interest, PIK 0.50% [12],[29] 0.50% [12],[29] 0.50% [12],[29] 0.50% [15],[16],[17]  
Par / Units $ 112,151,000 [12],[29]     $ 112,582,000 [15],[16],[17]  
Amortized Cost 111,742,000 [12],[29]     111,958,000 [15],[16],[17]  
Fair Value $ 112,151,000 [12],[29]     $ 110,331,000 [15],[16],[17]  
Percentage of Net Assets 1.90% [12],[29] 1.90% [12],[29] 1.90% [12],[29] 1.90% [15],[16],[17]  
Investment, Identifier [Axis]: Galls, LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.75% [12],[24],[29] 6.75% [12],[24],[29] 6.75% [12],[24],[29] 6.75% [15],[16],[17],[19]  
Par / Units $ 8,399,000 [12],[24],[29]     $ 15,232,000 [15],[16],[17],[19]  
Amortized Cost 8,293,000 [12],[24],[29]     15,034,000 [15],[16],[17],[19]  
Fair Value $ 8,399,000 [12],[24],[29]     $ 14,583,000 [15],[16],[17],[19]  
Percentage of Net Assets 0.10% [12],[24],[29] 0.10% [12],[24],[29] 0.10% [12],[24],[29] 0.20% [15],[16],[17],[19]  
Investment, Identifier [Axis]: Garden State Custom Windows, LLC          
Schedule of Investments [Line Items]          
Fair Value $ 33,100,000        
Investment, Identifier [Axis]: Gaylord Chemical Company, L.L.C., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.00% [12],[29] 6.00% [12],[29] 6.00% [12],[29] 6.50% [15],[16],[17]  
Par / Units $ 136,752,000 [12],[29]     $ 151,107,000 [15],[16],[17]  
Amortized Cost 135,871,000 [12],[29]     149,966,000 [15],[16],[17]  
Fair Value $ 136,067,000 [12],[29]     $ 151,106,000 [15],[16],[17]  
Percentage of Net Assets 2.30% [12],[29] 2.30% [12],[29] 2.30% [12],[29] 2.60% [15],[16],[17]  
Investment, Identifier [Axis]: Gaylord Chemical Company, L.L.C., First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.00% [12],[24],[33] 6.00% [12],[24],[33] 6.00% [12],[24],[33] 6.00% [15],[16],[19],[41]  
Par / Units $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Amortized Cost (66,000) [12],[24],[33]     (86,000) [15],[16],[19],[41]  
Fair Value $ (66,000) [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Genesis Acquisition Co. (dba Procare Software), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.00% [12],[29] 5.00% [12],[29] 5.00% [12],[29] 3.75% [15],[16],[30]  
Par / Units $ 17,802,000 [12],[29]     $ 17,942,000 [15],[16],[30]  
Amortized Cost 17,746,000 [12],[29]     17,838,000 [15],[16],[30]  
Fair Value $ 17,802,000 [12],[29]     $ 17,583,000 [15],[16],[30]  
Percentage of Net Assets 0.30% [12],[29] 0.30% [12],[29] 0.30% [12],[29] 0.30% [15],[16],[30]  
Investment, Identifier [Axis]: Genesis Acquisition Co. (dba Procare Software), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.00% [12],[29] 5.00% [12],[29] 5.00% [12],[29] 3.75% [15],[16],[30]  
Par / Units $ 2,637,000 [12],[29]     $ 2,637,000 [15],[16],[30]  
Amortized Cost 2,630,000 [12],[29]     2,623,000 [15],[16],[30]  
Fair Value $ 2,637,000 [12],[29]     $ 2,584,000 [15],[16],[30]  
Percentage of Net Assets 0.00% [12],[29] 0.00% [12],[29] 0.00% [12],[29] 0.00% [15],[16],[30]  
Investment, Identifier [Axis]: Gerson Lehrman Group, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.25% [12],[29] 5.25% [12],[29] 5.25% [12],[29] 5.25% [15],[16],[34]  
Par / Units $ 120,672,000 [12],[29]     $ 121,623,000 [15],[16],[34]  
Amortized Cost 120,398,000 [12],[29]     121,184,000 [15],[16],[34]  
Fair Value $ 120,672,000 [12],[29]     $ 121,623,000 [15],[16],[34]  
Percentage of Net Assets 2.00% [12],[29] 2.00% [12],[29] 2.00% [12],[29] 2.10% [15],[16],[34]  
Investment, Identifier [Axis]: Gerson Lehrman Group, Inc., First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.25% [12],[24],[33] 5.25% [12],[24],[33] 5.25% [12],[24],[33] 5.25% [15],[16],[19],[41]  
Par / Units $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Amortized Cost (43,000) [12],[24],[33]     (69,000) [15],[16],[19],[41]  
Fair Value $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Global Music Rights, LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[29] 5.75% [12],[29] 5.75% [12],[29] 5.50% [15],[16],[17]  
Par / Units $ 7,369,000 [12],[29]     $ 7,425,000 [15],[16],[17]  
Amortized Cost 7,257,000 [12],[29]     7,300,000 [15],[16],[17]  
Fair Value $ 7,369,000 [12],[29]     $ 7,425,000 [15],[16],[17]  
Percentage of Net Assets 0.10% [12],[29] 0.10% [12],[29] 0.10% [12],[29] 0.10% [15],[16],[17]  
Investment, Identifier [Axis]: Global Music Rights, LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[24],[33] 5.75% [12],[24],[33] 5.75% [12],[24],[33] 5.50% [15],[16],[19],[41]  
Par / Units $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Amortized Cost (9,000) [12],[24],[33]     (10,000) [15],[16],[19],[41]  
Fair Value $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Gloves Buyer, Inc. (dba Protective Industrial Products), Second lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 8.25% [12],[13] 8.25% [12],[13] 8.25% [12],[13] 8.25% [15],[16],[34]  
Par / Units $ 29,250,000 [12],[13]     $ 29,250,000 [15],[16],[34]  
Amortized Cost 28,706,000 [12],[13]     28,653,000 [15],[16],[34]  
Fair Value $ 28,884,000 [12],[13]     $ 28,811,000 [15],[16],[34]  
Percentage of Net Assets 0.50% [12],[13] 0.50% [12],[13] 0.50% [12],[13] 0.50% [15],[16],[34]  
Investment, Identifier [Axis]: Gloves Holdings, LP (dba Protective Industrial Products), LP Interest          
Schedule of Investments [Line Items]          
Units (in shares) | shares 325 [12],[25],[31] 325 [12],[25],[31] 325 [12],[25],[31] 32,500 [16],[27],[28]  
Amortized Cost $ 3,250,000 [12],[25],[31]     $ 3,250,000 [16],[27],[28]  
Fair Value $ 3,626,000 [12],[25],[31]     $ 3,848,000 [16],[27],[28]  
Percentage of Net Assets 0.10% [12],[25],[31] 0.10% [12],[25],[31] 0.10% [12],[25],[31] 0.10% [16],[27],[28]  
Investment, Identifier [Axis]: GoHealth, Inc., Common stock          
Schedule of Investments [Line Items]          
Units (in shares) | shares 68,125 [12],[31],[53] 68,125 [12],[31],[53] 68,125 [12],[31],[53] 68,125 [16],[27],[54]  
Amortized Cost $ 5,234,000 [12],[31],[53]     $ 5,232,000 [16],[27],[54]  
Fair Value $ 987,000 [12],[31],[53]     $ 712,000 [16],[27],[54]  
Percentage of Net Assets 0.00% [12],[31],[53] 0.00% [12],[31],[53] 0.00% [12],[31],[53] 0.00% [16],[27],[54]  
Investment, Identifier [Axis]: GovBrands Intermediate, Inc., First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest       5.50% [15],[16],[17],[19],[38]  
Par / Units       $ 2,380,000 [15],[16],[17],[19],[38]  
Amortized Cost       2,322,000 [15],[16],[17],[19],[38]  
Fair Value       $ 2,237,000 [15],[16],[17],[19],[38]  
Percentage of Net Assets       0.00% [15],[16],[17],[19],[38]  
Investment, Identifier [Axis]: GovBrands Intermediate, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       5.50% [15],[16],[17]  
Par / Units       $ 10,551,000 [15],[16],[17]  
Amortized Cost       10,339,000 [15],[16],[17]  
Fair Value       $ 10,076,000 [15],[16],[17]  
Percentage of Net Assets       0.20% [15],[16],[17]  
Investment, Identifier [Axis]: GovBrands Intermediate, Inc., First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest       5.50% [15],[16],[17],[19]  
Par / Units       $ 714,000 [15],[16],[17],[19]  
Amortized Cost       699,000 [15],[16],[17],[19]  
Fair Value       $ 678,000 [15],[16],[17],[19]  
Percentage of Net Assets       0.00% [15],[16],[17],[19]  
Investment, Identifier [Axis]: Granicus, Inc., First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest       6.00% [15],[16],[34],[38]  
Par / Units       $ 2,530,000 [15],[16],[34],[38]  
Amortized Cost       2,491,000 [15],[16],[34],[38]  
Fair Value       $ 2,467,000 [15],[16],[34],[38]  
Percentage of Net Assets       0.00% [15],[16],[34],[38]  
Investment, Identifier [Axis]: Granicus, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.50% [12],[13] 5.50% [12],[13] 5.50% [12],[13] 5.50% [15],[16],[34]  
Par / Units $ 15,942,000 [12],[13]     $ 13,394,000 [15],[16],[34]  
Amortized Cost 15,713,000 [12],[13]     13,158,000 [15],[16],[34]  
Fair Value $ 15,703,000 [12],[13]     $ 13,059,000 [15],[16],[34]  
Percentage of Net Assets 0.30% [12],[13] 0.30% [12],[13] 0.30% [12],[13] 0.20% [15],[16],[34]  
Investment, Identifier [Axis]: Granicus, Inc., First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[24],[29] 6.50% [12],[24],[29] 6.50% [12],[24],[29] 6.50% [15],[16],[19],[34]  
Par / Units $ 546,000 [12],[24],[29]     $ 398,000 [15],[16],[19],[34]  
Amortized Cost 530,000 [12],[24],[29]     379,000 [15],[16],[19],[34]  
Fair Value $ 528,000 [12],[24],[29]     $ 369,000 [15],[16],[19],[34]  
Percentage of Net Assets 0.00% [12],[24],[29] 0.00% [12],[24],[29] 0.00% [12],[24],[29] 0.00% [15],[16],[19],[34]  
Investment, Identifier [Axis]: GrowthCurve Capital Sunrise Co-Invest LP (dba Brightway), LP Interest          
Schedule of Investments [Line Items]          
Units (in shares) | shares 638,000 [12],[25],[31] 638,000 [12],[25],[31] 638,000 [12],[25],[31] 638,000 [16],[27],[28]  
Amortized Cost $ 638,000 [12],[25],[31]     $ 638,000 [16],[27],[28]  
Fair Value $ 612,000 [12],[25],[31]     $ 632,000 [16],[27],[28]  
Percentage of Net Assets 0.00% [12],[25],[31] 0.00% [12],[25],[31] 0.00% [12],[25],[31] 0.00% [16],[27],[28]  
Investment, Identifier [Axis]: Guidehouse Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.25% [12],[13] 6.25% [12],[13] 6.25% [12],[13] 6.25% [15],[16],[34]  
Par / Units $ 4,568,000 [12],[13]     $ 4,603,000 [15],[16],[34]  
Amortized Cost 4,532,000 [12],[13]     4,563,000 [15],[16],[34]  
Fair Value $ 4,545,000 [12],[13]     $ 4,557,000 [15],[16],[34]  
Percentage of Net Assets 0.10% [12],[13] 0.10% [12],[13] 0.10% [12],[13] 0.10% [15],[16],[34]  
Investment, Identifier [Axis]: H&F Opportunities LUX III S.À R.L (dba Checkmarx), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.50% [12],[13],[14] 7.50% [12],[13],[14] 7.50% [12],[13],[14] 7.50% [15],[16],[18],[34]  
Par / Units $ 51,567,000 [12],[13],[14]     $ 51,567,000 [15],[16],[18],[34]  
Amortized Cost 50,808,000 [12],[13],[14]     50,623,000 [15],[16],[18],[34]  
Fair Value $ 51,567,000 [12],[13],[14]     $ 51,567,000 [15],[16],[18],[34]  
Percentage of Net Assets 0.90% [12],[13],[14] 0.90% [12],[13],[14] 0.90% [12],[13],[14] 0.90% [15],[16],[18],[34]  
Investment, Identifier [Axis]: H&F Opportunities LUX III S.À R.L (dba Checkmarx), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 7.50% [12],[14],[24],[33] 7.50% [12],[14],[24],[33] 7.50% [12],[14],[24],[33] 7.50% [15],[16],[18],[19],[41]  
Par / Units $ 0 [12],[14],[24],[33]     $ 0 [15],[16],[18],[19],[41]  
Amortized Cost (206,000) [12],[14],[24],[33]     (267,000) [15],[16],[18],[19],[41]  
Fair Value $ 0 [12],[14],[24],[33]     $ 0 [15],[16],[18],[19],[41]  
Percentage of Net Assets 0.00% [12],[14],[24],[33] 0.00% [12],[14],[24],[33] 0.00% [12],[14],[24],[33] 0.00% [15],[16],[18],[19],[41]  
Investment, Identifier [Axis]: H-Food Holdings, LLC, LLC interest          
Schedule of Investments [Line Items]          
Units (in shares) | shares 1,088,000 [12],[25],[31] 1,088,000 [12],[25],[31] 1,088,000 [12],[25],[31] 10,875,000 [16],[27],[28]  
Amortized Cost $ 10,874,000 [12],[25],[31]     $ 10,874,000 [16],[27],[28]  
Fair Value $ 6,271,000 [12],[25],[31]     $ 9,337,000 [16],[27],[28]  
Percentage of Net Assets 0.10% [12],[25],[31] 0.10% [12],[25],[31] 0.10% [12],[25],[31] 0.20% [16],[27],[28]  
Investment, Identifier [Axis]: H-Food Holdings, LLC, Second lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.00% [12],[61] 7.00% [12],[61] 7.00% [12],[61] 7.00% [15],[16],[34]  
Par / Units $ 121,800,000 [12],[61]     $ 121,800,000 [15],[16],[34]  
Amortized Cost 120,621,000 [12],[61]     120,316,000 [15],[16],[34]  
Fair Value $ 90,741,000 [12],[61]     $ 105,053,000 [15],[16],[34]  
Percentage of Net Assets 1.50% [12],[61] 1.50% [12],[61] 1.50% [12],[61] 1.80% [15],[16],[34]  
Investment, Identifier [Axis]: HGH Purchaser, Inc. (dba Horizon Services), First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest       6.50% [15],[16],[19],[35]  
Par / Units       $ 38,681,000 [15],[16],[19],[35]  
Amortized Cost       38,407,000 [15],[16],[19],[35]  
Fair Value       $ 38,284,000 [15],[16],[19],[35]  
Percentage of Net Assets       0.70% [15],[16],[19],[35]  
Investment, Identifier [Axis]: HGH Purchaser, Inc. (dba Horizon Services), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[29] 6.50% [12],[29] 6.50% [12],[29] 6.50% [15],[16],[35]  
Par / Units $ 188,176,000 [12],[29]     $ 147,121,000 [15],[16],[35]  
Amortized Cost 186,993,000 [12],[29]     145,874,000 [15],[16],[35]  
Fair Value $ 188,176,000 [12],[29]     $ 145,650,000 [15],[16],[35]  
Percentage of Net Assets 3.10% [12],[29] 3.10% [12],[29] 3.10% [12],[29] 2.50% [15],[16],[35]  
Investment, Identifier [Axis]: HGH Purchaser, Inc. (dba Horizon Services), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[24],[29] 6.50% [12],[24],[29] 6.50% [12],[24],[29] 6.50% [15],[16],[19],[35]  
Par / Units $ 16,383,000 [12],[24],[29]     $ 10,028,000 [15],[16],[19],[35]  
Amortized Cost 16,293,000 [12],[24],[29]     9,906,000 [15],[16],[19],[35]  
Fair Value $ 16,383,000 [12],[24],[29]     $ 9,863,000 [15],[16],[19],[35]  
Percentage of Net Assets 0.30% [12],[24],[29] 0.30% [12],[24],[29] 0.30% [12],[24],[29] 0.20% [15],[16],[19],[35]  
Investment, Identifier [Axis]: Helix Acquisition Holdings, Inc. (dba MW Industries), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.00% [12],[29] 7.00% [12],[29] 7.00% [12],[29]    
Par / Units $ 1,000,000 [12],[29]        
Amortized Cost 971,000 [12],[29]        
Fair Value $ 973,000 [12],[29]        
Percentage of Net Assets 0.00% [12],[29] 0.00% [12],[29] 0.00% [12],[29]    
Investment, Identifier [Axis]: Hercules Borrower, LLC (dba The Vincit Group), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.25% [12],[29] 6.25% [12],[29] 6.25% [12],[29] 6.50% [15],[16],[17]  
Par / Units $ 175,542,000 [12],[29]     $ 176,892,000 [15],[16],[17]  
Amortized Cost 173,970,000 [12],[29]     175,005,000 [15],[16],[17]  
Fair Value $ 175,541,000 [12],[29]     $ 176,447,000 [15],[16],[17]  
Percentage of Net Assets 2.90% [12],[29] 2.90% [12],[29] 2.90% [12],[29] 3.00% [15],[16],[17]  
Investment, Identifier [Axis]: Hercules Borrower, LLC (dba The Vincit Group), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.25% [12],[24],[29] 6.25% [12],[24],[29] 6.25% [12],[24],[29] 6.50% [15],[16],[19],[30]  
Par / Units $ 1,116,000 [12],[24],[29]     $ 2,231,000 [15],[16],[19],[30]  
Amortized Cost 948,000 [12],[24],[29]     2,024,000 [15],[16],[19],[30]  
Fair Value $ 1,116,000 [12],[24],[29]     $ 2,179,000 [15],[16],[19],[30]  
Percentage of Net Assets 0.00% [12],[24],[29] 0.00% [12],[24],[29] 0.00% [12],[24],[29] 0.00% [15],[16],[19],[30]  
Investment, Identifier [Axis]: Hercules Buyer, LLC (dba The Vincit Group), Common Units          
Schedule of Investments [Line Items]          
Units (in shares) | shares 2,190,000 [12],[25],[31],[62] 2,190,000 [12],[25],[31],[62] 2,190,000 [12],[25],[31],[62] 2,190,000 [16],[27],[28],[63]  
Amortized Cost $ 2,192,000 [12],[25],[31],[62]     $ 2,192,000 [16],[27],[28],[63]  
Fair Value $ 2,452,000 [12],[25],[31],[62]     $ 2,302,000 [16],[27],[28],[63]  
Percentage of Net Assets 0.00% [12],[25],[31],[62] 0.00% [12],[25],[31],[62] 0.00% [12],[25],[31],[62] 0.00% [16],[27],[28],[63]  
Investment, Identifier [Axis]: Hercules Buyer, LLC (dba The Vincit Group), Unsecured notes          
Schedule of Investments [Line Items]          
Interest       0.48% [16],[42],[63]  
Interest, PIK 0.48% [12],[23],[62] 0.48% [12],[23],[62] 0.48% [12],[23],[62] 0.48% [16],[42],[63]  
Par / Units $ 5,160,000 [12],[23],[62]     $ 5,160,000 [16],[42],[63]  
Amortized Cost 5,160,000 [12],[23],[62]     5,160,000 [16],[42],[63]  
Fair Value $ 5,772,000 [12],[23],[62]     $ 5,160,000 [16],[42],[63]  
Percentage of Net Assets 0.10% [12],[23],[62] 0.10% [12],[23],[62] 0.10% [12],[23],[62] 0.10% [16],[42],[63]  
Investment, Identifier [Axis]: Hg Genesis 8 Sumoco Limited, Unsecured facility          
Schedule of Investments [Line Items]          
Interest       6.00% [15],[16],[18],[49]  
Interest, PIK 6.00% [12],[14],[48] 6.00% [12],[14],[48] 6.00% [12],[14],[48] 6.00% [15],[16],[18],[49]  
Par / Units   € 39,355 [12],[14],[48]   $ 45,071,000 [15],[16],[18],[49]  
Amortized Cost $ 51,566,000 [12],[14],[48]     49,137,000 [15],[16],[18],[49]  
Fair Value $ 48,034,000 [12],[14],[48]     $ 45,071,000 [15],[16],[18],[49]  
Percentage of Net Assets 0.80% [12],[14],[48] 0.80% [12],[14],[48] 0.80% [12],[14],[48] 0.80% [15],[16],[18],[49]  
Investment, Identifier [Axis]: Hg Genesis 9 SumoCo Limited, Unsecured facility          
Schedule of Investments [Line Items]          
Interest       7.00% [15],[16],[18],[47]  
Interest, PIK 7.00% [12],[14],[64] 7.00% [12],[14],[64] 7.00% [12],[14],[64] 7.00% [15],[16],[18],[47]  
Par / Units   € 47,333 [12],[14],[64]   $ 46,914,000 [15],[16],[18],[47]  
Amortized Cost $ 51,810,000 [12],[14],[64]     48,136,000 [15],[16],[18],[47]  
Fair Value $ 50,114,000 [12],[14],[64]     $ 46,914,000 [15],[16],[18],[47]  
Percentage of Net Assets 0.80% [12],[14],[64] 0.80% [12],[14],[64] 0.80% [12],[14],[64] 0.80% [15],[16],[18],[47]  
Investment, Identifier [Axis]: Hg Saturn Luchaco Limited, Unsecured facility          
Schedule of Investments [Line Items]          
Interest       7.50% [15],[16],[18],[49]  
Interest, PIK 7.50% [12],[14],[48] 7.50% [12],[14],[48] 7.50% [12],[14],[48] 7.50% [15],[16],[18],[49]  
Par / Units     £ 111,764 [12],[14],[48] $ 120,209,000 [15],[16],[18],[49]  
Amortized Cost $ 150,506,000 [12],[14],[48]     135,817,000 [15],[16],[18],[49]  
Fair Value $ 136,415,000 [12],[14],[48]     $ 118,706,000 [15],[16],[18],[49]  
Percentage of Net Assets 2.30% [12],[14],[48] 2.30% [12],[14],[48] 2.30% [12],[14],[48] 2.00% [15],[16],[18],[49]  
Investment, Identifier [Axis]: Hissho Sushi Holdings, LLC, Class A units          
Schedule of Investments [Line Items]          
Units (in shares) | shares 7,502 [12],[25],[31] 7,502 [12],[25],[31] 7,502 [12],[25],[31] 7,502 [16],[27],[28]  
Amortized Cost $ 75,000 [12],[25],[31]     $ 75,000 [16],[27],[28]  
Fair Value $ 97,000 [12],[25],[31]     $ 83,000 [16],[27],[28]  
Percentage of Net Assets 0.00% [12],[25],[31] 0.00% [12],[25],[31] 0.00% [12],[25],[31] 0.00% [16],[27],[28]  
Investment, Identifier [Axis]: Hissho Sushi Merger Sub LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.50% [12],[29] 5.50% [12],[29] 5.50% [12],[29] 5.75% [15],[16],[40]  
Par / Units $ 894,000 [12],[29]     $ 901,000 [15],[16],[40]  
Amortized Cost 887,000 [12],[29]     893,000 [15],[16],[40]  
Fair Value $ 894,000 [12],[29]     $ 899,000 [15],[16],[40]  
Percentage of Net Assets 0.00% [12],[29] 0.00% [12],[29] 0.00% [12],[29] 0.00% [15],[16],[40]  
Investment, Identifier [Axis]: Hissho Sushi Merger Sub LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.50% [12],[24],[33] 5.50% [12],[24],[33] 5.50% [12],[24],[33] 5.75% [15],[16],[19],[40]  
Par / Units $ 0 [12],[24],[33]     $ 14,000 [15],[16],[19],[40]  
Amortized Cost (1,000) [12],[24],[33]     13,000 [15],[16],[19],[40]  
Fair Value $ 0 [12],[24],[33]     $ 14,000 [15],[16],[19],[40]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[40]  
Investment, Identifier [Axis]: Hockey Parent Holdings L.P., Class A Units          
Schedule of Investments [Line Items]          
Units (in shares) | shares 498 [12],[25],[31] 498 [12],[25],[31] 498 [12],[25],[31]    
Amortized Cost $ 10,000,000 [12],[25],[31]        
Fair Value $ 10,000,000 [12],[25],[31]        
Percentage of Net Assets 0.20% [12],[25],[31] 0.20% [12],[25],[31] 0.20% [12],[25],[31]    
Investment, Identifier [Axis]: Hometown Food Company, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       5.00% [15],[16],[34]  
Par / Units       $ 14,560,000 [15],[16],[34]  
Amortized Cost       14,516,000 [15],[16],[34]  
Fair Value       $ 14,560,000 [15],[16],[34]  
Percentage of Net Assets       0.20% [15],[16],[34]  
Investment, Identifier [Axis]: Hometown Food Company, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest       5.00% [15],[16],[19],[34]  
Par / Units       $ 847,000 [15],[16],[19],[34]  
Amortized Cost       836,000 [15],[16],[19],[34]  
Fair Value       $ 847,000 [15],[16],[19],[34]  
Percentage of Net Assets       0.00% [15],[16],[19],[34]  
Investment, Identifier [Axis]: Hyland Software, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.00% [12],[13] 6.00% [12],[13] 6.00% [12],[13]    
Par / Units $ 53,168,000 [12],[13]        
Amortized Cost 52,373,000 [12],[13]        
Fair Value $ 52,371,000 [12],[13]        
Percentage of Net Assets 0.90% [12],[13] 0.90% [12],[13] 0.90% [12],[13]    
Investment, Identifier [Axis]: Hyland Software, Inc., First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.00% [12],[24],[33] 6.00% [12],[24],[33] 6.00% [12],[24],[33]    
Par / Units $ 0 [12],[24],[33]        
Amortized Cost (38,000) [12],[24],[33]        
Fair Value $ (38,000) [12],[24],[33]        
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33]    
Investment, Identifier [Axis]: Hyland Software, Inc., Second lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       6.25% [15],[16],[34]  
Par / Units       $ 15,482,000 [15],[16],[34]  
Amortized Cost       15,472,000 [15],[16],[34]  
Fair Value       $ 14,630,000 [15],[16],[34]  
Percentage of Net Assets       0.20% [15],[16],[34]  
Investment, Identifier [Axis]: IG Investments Holdings, LLC (dba Insight Global), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.00% [12],[29] 6.00% [12],[29] 6.00% [12],[29] 6.00% [15],[16],[34]  
Par / Units $ 50,005,000 [12],[29]     $ 50,388,000 [15],[16],[34]  
Amortized Cost 49,238,000 [12],[29]     49,519,000 [15],[16],[34]  
Fair Value $ 49,630,000 [12],[29]     $ 49,758,000 [15],[16],[34]  
Percentage of Net Assets 0.80% [12],[29] 0.80% [12],[29] 0.80% [12],[29] 0.80% [15],[16],[34]  
Investment, Identifier [Axis]: IG Investments Holdings, LLC (dba Insight Global), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.00% [12],[24],[33] 6.00% [12],[24],[33] 6.00% [12],[24],[33] 6.00% [15],[16],[19],[34]  
Par / Units $ 0 [12],[24],[33]     $ 1,590,000 [15],[16],[19],[34]  
Amortized Cost (53,000) [12],[24],[33]     1,527,000 [15],[16],[19],[34]  
Fair Value $ (30,000) [12],[24],[33]     $ 1,540,000 [15],[16],[19],[34]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[34]  
Investment, Identifier [Axis]: Ideal Image Development, LLC, First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest       6.50% [15],[16],[19],[38],[41]  
Par / Units       $ 0 [15],[16],[19],[38],[41]  
Amortized Cost       (7,000) [15],[16],[19],[38],[41]  
Fair Value       $ (4,000) [15],[16],[19],[38],[41]  
Percentage of Net Assets       0.00% [15],[16],[19],[38],[41]  
Investment, Identifier [Axis]: Ideal Image Development, LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[29] 6.50% [12],[29] 6.50% [12],[29] 6.50% [15],[16],[35]  
Par / Units $ 11,590,000 [12],[29]     $ 11,678,000 [15],[16],[35]  
Amortized Cost 11,399,000 [12],[29]     11,457,000 [15],[16],[35]  
Fair Value $ 10,518,000 [12],[29]     $ 11,474,000 [15],[16],[35]  
Percentage of Net Assets 0.20% [12],[29] 0.20% [12],[29] 0.20% [12],[29] 0.20% [15],[16],[35]  
Investment, Identifier [Axis]: Ideal Image Development, LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[29] 6.50% [12],[29] 6.50% [12],[29] 6.50% [15],[16],[19],[41]  
Par / Units $ 1,829,000 [12],[29]     $ 0 [15],[16],[19],[41]  
Amortized Cost 1,801,000 [12],[29]     (34,000) [15],[16],[19],[41]  
Fair Value $ 1,660,000 [12],[29]     $ (32,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[29] 0.00% [12],[29] 0.00% [12],[29] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Ideal Tridon Holdings, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.75% [12],[37] 6.75% [12],[37] 6.75% [12],[37] 5.25% [15],[16],[17]  
Par / Units $ 27,302,000 [12],[37]     $ 52,697,000 [15],[16],[17]  
Amortized Cost 26,543,000 [12],[37]     52,448,000 [15],[16],[17]  
Fair Value $ 26,619,000 [12],[37]     $ 52,697,000 [15],[16],[17]  
Percentage of Net Assets 0.40% [12],[37] 0.40% [12],[37] 0.40% [12],[37] 0.90% [15],[16],[17]  
Investment, Identifier [Axis]: Ideal Tridon Holdings, Inc., First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.75% [12],[13],[24] 6.75% [12],[13],[24] 6.75% [12],[13],[24] 5.25% [15],[16],[19],[34]  
Par / Units $ 732,000 [12],[13],[24]     $ 3,191,000 [15],[16],[19],[34]  
Amortized Cost 662,000 [12],[13],[24]     3,191,000 [15],[16],[19],[34]  
Fair Value $ 668,000 [12],[13],[24]     $ 3,191,000 [15],[16],[19],[34]  
Percentage of Net Assets 0.00% [12],[13],[24] 0.00% [12],[13],[24] 0.00% [12],[13],[24] 0.10% [15],[16],[19],[34]  
Investment, Identifier [Axis]: Imprivata, Inc., Second lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.25% [12],[13] 6.25% [12],[13] 6.25% [12],[13] 6.25% [15],[16],[35]  
Par / Units $ 882,000 [12],[13]     $ 882,000 [15],[16],[35]  
Amortized Cost 874,000 [12],[13]     874,000 [15],[16],[35]  
Fair Value $ 882,000 [12],[13]     $ 860,000 [15],[16],[35]  
Percentage of Net Assets 0.00% [12],[13] 0.00% [12],[13] 0.00% [12],[13] 0.00% [15],[16],[35]  
Investment, Identifier [Axis]: Indigo Buyer, Inc. (dba Inovar Packaging Group), First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest       5.75% [15],[16],[19],[38]  
Par / Units       $ 0 [15],[16],[19],[38]  
Amortized Cost       0 [15],[16],[19],[38]  
Fair Value       $ 0 [15],[16],[19],[38]  
Percentage of Net Assets       0.00% [15],[16],[19],[38]  
Investment, Identifier [Axis]: Indigo Buyer, Inc. (dba Inovar Packaging Group), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.25% [12],[29] 6.25% [12],[29] 6.25% [12],[29] 5.75% [15],[16],[40]  
Par / Units $ 890,000 [12],[29]     $ 647,000 [15],[16],[40]  
Amortized Cost 883,000 [12],[29]     641,000 [15],[16],[40]  
Fair Value $ 890,000 [12],[29]     $ 647,000 [15],[16],[40]  
Percentage of Net Assets 0.00% [12],[29] 0.00% [12],[29] 0.00% [12],[29] 0.00% [15],[16],[40]  
Investment, Identifier [Axis]: Indigo Buyer, Inc. (dba Inovar Packaging Group), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.25% [12],[24],[29] 6.25% [12],[24],[29] 6.25% [12],[24],[29] 5.75% [15],[16],[19],[40]  
Par / Units $ 17,000 [12],[24],[29]     $ 17,000 [15],[16],[19],[40]  
Amortized Cost 16,000 [12],[24],[29]     16,000 [15],[16],[19],[40]  
Fair Value $ 17,000 [12],[24],[29]     $ 17,000 [15],[16],[19],[40]  
Percentage of Net Assets 0.00% [12],[24],[29] 0.00% [12],[24],[29] 0.00% [12],[24],[29] 0.00% [15],[16],[19],[40]  
Investment, Identifier [Axis]: Innovation Ventures HoldCo, LLC (dba 5 Hour Energy), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.25% [12],[13] 6.25% [12],[13] 6.25% [12],[13] 6.25% [15],[16],[35]  
Par / Units $ 125,000,000 [12],[13]     $ 125,000,000 [15],[16],[35]  
Amortized Cost 123,286,000 [12],[13]     122,950,000 [15],[16],[35]  
Fair Value $ 123,439,000 [12],[13]     $ 122,500,000 [15],[16],[35]  
Percentage of Net Assets 2.10% [12],[13] 2.10% [12],[13] 2.10% [12],[13] 2.10% [15],[16],[35]  
Investment, Identifier [Axis]: Inovalon Holdings, Inc., First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest       5.75% [15],[16],[19],[38],[41]  
Par / Units       $ 0 [15],[16],[19],[38],[41]  
Amortized Cost       (200,000) [15],[16],[19],[38],[41]  
Fair Value       $ (237,000) [15],[16],[19],[38],[41]  
Percentage of Net Assets       0.00% [15],[16],[19],[38],[41]  
Investment, Identifier [Axis]: Inovalon Holdings, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       6.25% [15],[16],[17]  
Interest, PIK       2.75% [15],[16],[17]  
Par / Units       $ 182,751,000 [15],[16],[17]  
Amortized Cost       178,889,000 [15],[16],[17]  
Fair Value       $ 178,182,000 [15],[16],[17]  
Percentage of Net Assets       3.00% [15],[16],[17]  
Investment, Identifier [Axis]: Inovalon Holdings, Inc., Second lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       10.50% [15],[16],[17]  
Interest, PIK       10.50% [15],[16],[17]  
Par / Units       $ 95,535,000 [15],[16],[17]  
Amortized Cost       93,916,000 [15],[16],[17]  
Fair Value       $ 94,102,000 [15],[16],[17]  
Percentage of Net Assets       1.60% [15],[16],[17]  
Investment, Identifier [Axis]: Insight CP (Blocker) Holdings, L.P. (dba CivicPlus, LLC), LP Interest          
Schedule of Investments [Line Items]          
Units (in shares) | shares 1,230,000 [12],[14],[25],[31] 1,230,000 [12],[14],[25],[31] 1,230,000 [12],[14],[25],[31] 1,230,000 [16],[18],[27],[28]  
Amortized Cost $ 1,230,000 [12],[14],[25],[31]     $ 1,230,000 [16],[18],[27],[28]  
Fair Value $ 1,286,000 [12],[14],[25],[31]     $ 1,230,000 [16],[18],[27],[28]  
Percentage of Net Assets 0.00% [12],[14],[25],[31] 0.00% [12],[14],[25],[31] 0.00% [12],[14],[25],[31] 0.00% [16],[18],[27],[28]  
Investment, Identifier [Axis]: Integrity Marketing Acquisition, LLC, First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest 6.00% [12],[24],[32],[33] 6.00% [12],[24],[32],[33] 6.00% [12],[24],[32],[33]    
Par / Units $ 0 [12],[24],[32],[33]        
Amortized Cost (284,000) [12],[24],[32],[33]        
Fair Value $ 0 [12],[24],[32],[33]        
Percentage of Net Assets 0.00% [12],[24],[32],[33] 0.00% [12],[24],[32],[33] 0.00% [12],[24],[32],[33]    
Investment, Identifier [Axis]: Integrity Marketing Acquisition, LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.83% [12],[29] 5.83% [12],[29] 5.83% [12],[29] 5.80% [15],[16],[30]  
Par / Units $ 157,891,000 [12],[29]     $ 216,642,000 [15],[16],[30]  
Amortized Cost 157,460,000 [12],[29]     214,862,000 [15],[16],[30]  
Fair Value $ 157,891,000 [12],[29]     $ 216,100,000 [15],[16],[30]  
Percentage of Net Assets 2.60% [12],[29] 2.60% [12],[29] 2.60% [12],[29] 3.70% [15],[16],[30]  
Investment, Identifier [Axis]: Integrity Marketing Acquisition, LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[24],[33] 6.50% [12],[24],[33] 6.50% [12],[24],[33] 6.50% [15],[16],[19],[41]  
Par / Units $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Amortized Cost (62,000) [12],[24],[33]     (98,000) [15],[16],[19],[41]  
Fair Value $ 0 [12],[24],[33]     $ (37,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Intelerad Medical Systems Incorporated (fka 11849573 Canada Inc.), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[14],[29] 6.50% [12],[14],[29] 6.50% [12],[14],[29] 6.50% [15],[16],[18],[40]  
Par / Units $ 116,900,000 [12],[14],[29]     $ 117,793,000 [15],[16],[18],[40]  
Amortized Cost 116,081,000 [12],[14],[29]     116,791,000 [15],[16],[18],[40]  
Fair Value $ 114,855,000 [12],[14],[29]     $ 117,204,000 [15],[16],[18],[40]  
Percentage of Net Assets 1.90% [12],[14],[29] 1.90% [12],[14],[29] 1.90% [12],[14],[29] 2.00% [15],[16],[18],[40]  
Investment, Identifier [Axis]: Intelerad Medical Systems Incorporated (fka 11849573 Canada Inc.), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[14],[24],[29] 6.50% [12],[14],[24],[29] 6.50% [12],[14],[24],[29] 6.50% [15],[16],[18],[35]  
Par / Units $ 5,671,000 [12],[14],[24],[29]     $ 4,590,000 [15],[16],[18],[35]  
Amortized Cost 5,599,000 [12],[14],[24],[29]     4,559,000 [15],[16],[18],[35]  
Fair Value $ 5,529,000 [12],[14],[24],[29]     $ 4,567,000 [15],[16],[18],[35]  
Percentage of Net Assets 0.10% [12],[14],[24],[29] 0.10% [12],[14],[24],[29] 0.10% [12],[14],[24],[29] 0.10% [15],[16],[18],[35]  
Investment, Identifier [Axis]: Interoperability Bidco, Inc. (dba Lyniate), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.00% [12],[29] 7.00% [12],[29] 7.00% [12],[29] 7.00% [15],[16],[40]  
Par / Units $ 65,952,000 [12],[29]     $ 66,455,000 [15],[16],[40]  
Amortized Cost 65,649,000 [12],[29]     66,088,000 [15],[16],[40]  
Fair Value $ 65,293,000 [12],[29]     $ 65,957,000 [15],[16],[40]  
Percentage of Net Assets 1.10% [12],[29] 1.10% [12],[29] 1.10% [12],[29] 1.10% [15],[16],[40]  
Investment, Identifier [Axis]: Interoperability Bidco, Inc. (dba Lyniate), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 7.00% [12],[24],[29] 7.00% [12],[24],[29] 7.00% [12],[24],[29] 7.00% [15],[16],[19],[40]  
Par / Units $ 1,580,000 [12],[24],[29]     $ 1,522,000 [15],[16],[19],[40]  
Amortized Cost 1,548,000 [12],[24],[29]     1,509,000 [15],[16],[19],[40]  
Fair Value $ 1,527,000 [12],[24],[29]     $ 1,499,000 [15],[16],[19],[40]  
Percentage of Net Assets 0.00% [12],[24],[29] 0.00% [12],[24],[29] 0.00% [12],[24],[29] 0.00% [15],[16],[19],[40]  
Investment, Identifier [Axis]: Jemico, LLC          
Schedule of Investments [Line Items]          
Fair Value $ 23,000,000        
Investment, Identifier [Axis]: KOBHG Holdings, L.P. (dba OB Hospitalist), Class A Interests          
Schedule of Investments [Line Items]          
Units (in shares) | shares 6,670,000 [12],[25],[31] 6,670,000 [12],[25],[31] 6,670,000 [12],[25],[31] 6,670,000 [16],[27],[28]  
Amortized Cost $ 6,670,000 [12],[25],[31]     $ 6,670,000 [16],[27],[28]  
Fair Value $ 5,884,000 [12],[25],[31]     $ 6,196,000 [16],[27],[28]  
Percentage of Net Assets 0.10% [12],[25],[31] 0.10% [12],[25],[31] 0.10% [12],[25],[31] 0.10% [16],[27],[28]  
Investment, Identifier [Axis]: KPCI Holdings, L.P., Class A Units          
Schedule of Investments [Line Items]          
Units (in shares) | shares 32,285,000 [12],[25],[31] 32,285,000 [12],[25],[31] 32,285,000 [12],[25],[31] 30,425,000 [16],[27],[28]  
Amortized Cost $ 32,284,000 [12],[25],[31]     $ 32,284,000 [16],[27],[28]  
Fair Value $ 35,113,000 [12],[25],[31]     $ 34,497,000 [16],[27],[28]  
Percentage of Net Assets 0.60% [12],[25],[31] 0.60% [12],[25],[31] 0.60% [12],[25],[31] 0.60% [16],[27],[28]  
Investment, Identifier [Axis]: KPSKY Acquisition, Inc. (dba BluSky), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.25% [12],[29] 5.25% [12],[29] 5.25% [12],[29] 5.50% [15],[16],[34]  
Par / Units $ 4,901,000 [12],[29]     $ 4,941,000 [15],[16],[34]  
Amortized Cost 4,825,000 [12],[29]     4,856,000 [15],[16],[34]  
Fair Value $ 4,852,000 [12],[29]     $ 4,817,000 [15],[16],[34]  
Percentage of Net Assets 0.10% [12],[29] 0.10% [12],[29] 0.10% [12],[29] 0.10% [15],[16],[34]  
Investment, Identifier [Axis]: KRIV Acquisition Inc. (dba Riveron), First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[24],[32],[33] 6.50% [12],[24],[32],[33] 6.50% [12],[24],[32],[33]    
Par / Units $ 0 [12],[24],[32],[33]        
Amortized Cost (14,000) [12],[24],[32],[33]        
Fair Value $ (14,000) [12],[24],[32],[33]        
Percentage of Net Assets 0.00% [12],[24],[32],[33] 0.00% [12],[24],[32],[33] 0.00% [12],[24],[32],[33]    
Investment, Identifier [Axis]: KRIV Acquisition Inc. (dba Riveron), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[29] 6.50% [12],[29] 6.50% [12],[29]    
Par / Units $ 6,333,000 [12],[29]        
Amortized Cost 6,148,000 [12],[29]        
Fair Value $ 6,143,000 [12],[29]        
Percentage of Net Assets 0.10% [12],[29] 0.10% [12],[29] 0.10% [12],[29]    
Investment, Identifier [Axis]: KRIV Acquisition Inc. (dba Riveron), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[24],[33] 6.50% [12],[24],[33] 6.50% [12],[24],[33]    
Par / Units $ 0 [12],[24],[33]        
Amortized Cost (25,000) [12],[24],[33]        
Fair Value $ (26,000) [12],[24],[33]        
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33]    
Investment, Identifier [Axis]: KUSRP Intermediate, Inc. (dba U.S. Retirement and Benefits Partners), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       9.50% [15],[16],[30]  
Interest, PIK 10.50% [12],[13] 10.50% [12],[13] 10.50% [12],[13] 9.50% [15],[16],[30]  
Par / Units $ 34,510,000 [12],[13]     $ 34,918,000 [15],[16],[30]  
Amortized Cost 34,119,000 [12],[13]     34,399,000 [15],[16],[30]  
Fair Value $ 34,423,000 [12],[13]     $ 34,482,000 [15],[16],[30]  
Percentage of Net Assets 0.60% [12],[13] 0.60% [12],[13] 0.60% [12],[13] 0.60% [15],[16],[30]  
Investment, Identifier [Axis]: Kaseya Inc., First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest 6.25% [12],[24],[29],[32] 6.25% [12],[24],[29],[32] 6.25% [12],[24],[29],[32] 5.75% [15],[16],[19],[38],[41]  
Interest, PIK 2.50% [12],[24],[29],[32] 2.50% [12],[24],[29],[32] 2.50% [12],[24],[29],[32]    
Par / Units $ 69,000 [12],[24],[29],[32]     $ 0 [15],[16],[19],[38],[41]  
Amortized Cost 59,000 [12],[24],[29],[32]     (10,000) [15],[16],[19],[38],[41]  
Fair Value $ 69,000 [12],[24],[29],[32]     $ 0 [15],[16],[19],[38],[41]  
Percentage of Net Assets 0.00% [12],[24],[29],[32] 0.00% [12],[24],[29],[32] 0.00% [12],[24],[29],[32] 0.00% [15],[16],[19],[38],[41]  
Investment, Identifier [Axis]: Kaseya Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.25% [12],[29] 6.25% [12],[29] 6.25% [12],[29] 5.75% [15],[16],[40]  
Interest, PIK 2.50% [12],[29] 2.50% [12],[29] 2.50% [12],[29]    
Par / Units $ 18,772,000 [12],[29]     $ 18,732,000 [15],[16],[40]  
Amortized Cost 18,449,000 [12],[29]     18,377,000 [15],[16],[40]  
Fair Value $ 18,725,000 [12],[29]     $ 18,544,000 [15],[16],[40]  
Percentage of Net Assets 0.30% [12],[29] 0.30% [12],[29] 0.30% [12],[29] 0.30% [15],[16],[40]  
Investment, Identifier [Axis]: Kaseya Inc., First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.25% [12],[24],[29] 6.25% [12],[24],[29] 6.25% [12],[24],[29] 5.75% [15],[16],[19],[41]  
Interest, PIK 2.50% [12],[24],[29] 2.50% [12],[24],[29] 2.50% [12],[24],[29]    
Par / Units $ 285,000 [12],[24],[29]     $ 0 [15],[16],[19],[41]  
Amortized Cost 267,000 [12],[24],[29]     (21,000) [15],[16],[19],[41]  
Fair Value $ 283,000 [12],[24],[29]     $ (11,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[29] 0.00% [12],[24],[29] 0.00% [12],[24],[29] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Knockout Intermediate Holdings I Inc. (dba Kaseya Inc.), Perpetual Preferred Stock          
Schedule of Investments [Line Items]          
Interest, PIK 11.75% [12],[23],[25] 11.75% [12],[23],[25] 11.75% [12],[23],[25]    
Units (in shares) | shares 15,727,000 [12],[23],[25] 15,727,000 [12],[23],[25] 15,727,000 [12],[23],[25]    
Amortized Cost $ 15,421,000 [12],[23],[25]        
Fair Value $ 15,688,000 [12],[23],[25]        
Percentage of Net Assets 0.30% [12],[23],[25] 0.30% [12],[23],[25] 0.30% [12],[23],[25]    
Investment, Identifier [Axis]: Knockout Intermediate Holdings I Inc. (dba Kaseya), Perpetual Preferred Stock          
Schedule of Investments [Line Items]          
Interest       11.75% [16],[28],[42]  
Interest, PIK       11.75% [16],[28],[42]  
Units (in shares) | shares       14,000,000 [16],[28],[42]  
Amortized Cost       $ 13,667,000 [16],[28],[42]  
Fair Value       $ 13,825,000 [16],[28],[42]  
Percentage of Net Assets       0.20% [16],[28],[42]  
Investment, Identifier [Axis]: LSI Financing 1 DAC          
Schedule of Investments [Line Items]          
Fair Value $ 19,805,000     $ 6,175,000  
Investment, Identifier [Axis]: LSI Financing 1 DAC, Preferred equity          
Schedule of Investments [Line Items]          
Units (in shares) | shares 6,174,611 [12],[14],[25],[65] 6,174,611 [12],[14],[25],[65] 6,174,611 [12],[14],[25],[65] 6,174,611 [16],[18],[26],[27],[28]  
Amortized Cost $ 19,352,000 [12],[14],[25],[65]     $ 6,224,000 [16],[18],[26],[27],[28]  
Fair Value $ 19,805,000 [12],[14],[25],[65]     $ 6,175,000 [16],[18],[26],[27],[28]  
Percentage of Net Assets 0.30% [12],[14],[25],[65] 0.30% [12],[14],[25],[65] 0.30% [12],[14],[25],[65] 0.10% [16],[18],[26],[27],[28]  
Investment, Identifier [Axis]: Lazer Spot Holdings, Inc. (f/k/a Lazer Spot GB Holdings, Inc.), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       5.75% [15],[16],[30]  
Par / Units       $ 142,598,000 [15],[16],[30]  
Amortized Cost       141,262,000 [15],[16],[30]  
Fair Value       $ 142,598,000 [15],[16],[30]  
Percentage of Net Assets       2.40% [15],[16],[30]  
Investment, Identifier [Axis]: Lazer Spot Holdings, Inc. (f/k/a Lazer Spot GB Holdings, Inc.), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest       5.75% [15],[16],[19],[41]  
Par / Units       $ 0 [15],[16],[19],[41]  
Amortized Cost       (227,000) [15],[16],[19],[41]  
Fair Value       $ 0 [15],[16],[19],[41]  
Percentage of Net Assets       0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Learning Care Group (US) No. 2 Inc., Second lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       7.50% [15],[16],[17]  
Par / Units       $ 26,967,000 [15],[16],[17]  
Amortized Cost       26,726,000 [15],[16],[17]  
Fair Value       $ 25,822,000 [15],[16],[17]  
Percentage of Net Assets       0.40% [15],[16],[17]  
Investment, Identifier [Axis]: Lightbeam Bidco, Inc. (dba Lazer Spot), First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest 6.25% [12],[24],[32],[33] 6.25% [12],[24],[32],[33] 6.25% [12],[24],[32],[33]    
Par / Units $ 0 [12],[24],[32],[33]        
Amortized Cost (3,000) [12],[24],[32],[33]        
Fair Value $ 0 [12],[24],[32],[33]        
Percentage of Net Assets 0.00% [12],[24],[32],[33] 0.00% [12],[24],[32],[33] 0.00% [12],[24],[32],[33]    
Investment, Identifier [Axis]: Lightbeam Bidco, Inc. (dba Lazer Spot), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.25% [12],[37] 6.25% [12],[37] 6.25% [12],[37]    
Par / Units $ 3,929,000 [12],[37]        
Amortized Cost 3,891,000 [12],[37]        
Fair Value $ 3,899,000 [12],[37]        
Percentage of Net Assets 0.10% [12],[37] 0.10% [12],[37] 0.10% [12],[37]    
Investment, Identifier [Axis]: Lightbeam Bidco, Inc. (dba Lazer Spot), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.25% [12],[24],[37] 6.25% [12],[24],[37] 6.25% [12],[24],[37]    
Par / Units $ 63,000 [12],[24],[37]        
Amortized Cost 59,000 [12],[24],[37]        
Fair Value $ 60,000 [12],[24],[37]        
Percentage of Net Assets 0.00% [12],[24],[37] 0.00% [12],[24],[37] 0.00% [12],[24],[37]    
Investment, Identifier [Axis]: Lignetics Investment Corp., First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest       6.00% [15],[16],[19],[38],[41]  
Par / Units       $ 0 [15],[16],[19],[38],[41]  
Amortized Cost       (39,000) [15],[16],[19],[38],[41]  
Fair Value       $ (78,000) [15],[16],[19],[38],[41]  
Percentage of Net Assets       0.00% [15],[16],[19],[38],[41]  
Investment, Identifier [Axis]: Lignetics Investment Corp., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.00% [12],[29] 6.00% [12],[29] 6.00% [12],[29] 6.00% [15],[16],[17]  
Par / Units $ 34,726,000 [12],[29]     $ 31,059,000 [15],[16],[17]  
Amortized Cost 34,409,000 [12],[29]     30,733,000 [15],[16],[17]  
Fair Value $ 34,378,000 [12],[29]     $ 30,438,000 [15],[16],[17]  
Percentage of Net Assets 0.60% [12],[29] 0.60% [12],[29] 0.60% [12],[29] 0.50% [15],[16],[17]  
Investment, Identifier [Axis]: Lignetics Investment Corp., First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.00% [12],[24],[29] 6.00% [12],[24],[29] 6.00% [12],[24],[29] 6.00% [15],[16],[19],[34]  
Par / Units $ 4,549,000 [12],[24],[29]     $ 2,824,000 [15],[16],[19],[34]  
Amortized Cost 4,513,000 [12],[24],[29]     2,778,000 [15],[16],[19],[34]  
Fair Value $ 4,502,000 [12],[24],[29]     $ 2,729,000 [15],[16],[19],[34]  
Percentage of Net Assets 0.10% [12],[24],[29] 0.10% [12],[24],[29] 0.10% [12],[24],[29] 0.00% [15],[16],[19],[34]  
Investment, Identifier [Axis]: LineStar Integrity Services LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.25% [12],[37] 7.25% [12],[37] 7.25% [12],[37] 7.25% [15],[16],[30]  
Par / Units $ 51,935,000 [12],[37]     $ 56,897,000 [15],[16],[30]  
Amortized Cost 52,088,000 [12],[37]     57,036,000 [15],[16],[30]  
Fair Value $ 49,598,000 [12],[37]     $ 53,768,000 [15],[16],[30]  
Percentage of Net Assets 0.80% [12],[37] 0.80% [12],[37] 0.80% [12],[37] 0.90% [15],[16],[30]  
Investment, Identifier [Axis]: LineStar Integrity Services LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 7.25% [12],[29] 7.25% [12],[29] 7.25% [12],[29]    
Par / Units $ 9,903,000 [12],[29]        
Amortized Cost 9,716,000 [12],[29]        
Fair Value $ 9,457,000 [12],[29]        
Percentage of Net Assets 0.20% [12],[29] 0.20% [12],[29] 0.20% [12],[29]    
Investment, Identifier [Axis]: Litera Bidco LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.67% [12],[13] 5.67% [12],[13] 5.67% [12],[13] 5.75% [15],[16],[35]  
Par / Units $ 147,538,000 [12],[13]     $ 148,677,000 [15],[16],[35]  
Amortized Cost 146,503,000 [12],[13]     147,381,000 [15],[16],[35]  
Fair Value $ 147,538,000 [12],[13]     $ 148,354,000 [15],[16],[35]  
Percentage of Net Assets 2.50% [12],[13] 2.50% [12],[13] 2.50% [12],[13] 2.50% [15],[16],[35]  
Investment, Identifier [Axis]: Litera Bidco LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.25% [12],[24],[33] 5.25% [12],[24],[33] 5.25% [12],[24],[33] 5.75% [15],[16],[17],[19]  
Par / Units $ 0 [12],[24],[33]     $ 1,578,000 [15],[16],[17],[19]  
Amortized Cost (21,000) [12],[24],[33]     1,547,000 [15],[16],[17],[19]  
Fair Value $ 0 [12],[24],[33]     $ 1,549,000 [15],[16],[17],[19]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[17],[19]  
Investment, Identifier [Axis]: Long Island Custom Windows, LLC          
Schedule of Investments [Line Items]          
Fair Value $ 28,600,000        
Investment, Identifier [Axis]: Lytx, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.75% [12],[13] 6.75% [12],[13] 6.75% [12],[13] 6.75% [15],[16],[35]  
Par / Units $ 71,005,000 [12],[13]     $ 71,005,000 [15],[16],[35]  
Amortized Cost 70,446,000 [12],[13]     70,312,000 [15],[16],[35]  
Fair Value $ 70,828,000 [12],[13]     $ 70,472,000 [15],[16],[35]  
Percentage of Net Assets 1.20% [12],[13] 1.20% [12],[13] 1.20% [12],[13] 1.20% [15],[16],[35]  
Investment, Identifier [Axis]: MHE Intermediate Holdings, LLC (dba OnPoint Group), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.00% [12],[29] 6.00% [12],[29] 6.00% [12],[29] 6.00% [15],[16],[39]  
Par / Units $ 180,395,000 [12],[29]     $ 181,776,000 [15],[16],[39]  
Amortized Cost 179,148,000 [12],[29]     180,317,000 [15],[16],[39]  
Fair Value $ 180,395,000 [12],[29]     $ 179,957,000 [15],[16],[39]  
Percentage of Net Assets 3.00% [12],[29] 3.00% [12],[29] 3.00% [12],[29] 3.10% [15],[16],[39]  
Investment, Identifier [Axis]: MHE Intermediate Holdings, LLC (dba OnPoint Group), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.00% [12],[24],[29] 6.00% [12],[24],[29] 6.00% [12],[24],[29] 6.00% [15],[16],[19],[39]  
Par / Units $ 8,389,000 [12],[24],[29]     $ 2,175,000 [15],[16],[19],[39]  
Amortized Cost 8,291,000 [12],[24],[29]     2,057,000 [15],[16],[19],[39]  
Fair Value $ 8,389,000 [12],[24],[29]     $ 2,020,000 [15],[16],[19],[39]  
Percentage of Net Assets 0.10% [12],[24],[29] 0.10% [12],[24],[29] 0.10% [12],[24],[29] 0.00% [15],[16],[19],[39]  
Investment, Identifier [Axis]: MINDBODY, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.00% [12],[29] 7.00% [12],[29] 7.00% [12],[29] 7.00% [15],[16],[17]  
Par / Units $ 65,229,000 [12],[29]     $ 67,637,000 [15],[16],[17]  
Amortized Cost 65,027,000 [12],[29]     67,330,000 [15],[16],[17]  
Fair Value $ 64,902,000 [12],[29]     $ 67,637,000 [15],[16],[17]  
Percentage of Net Assets 1.10% [12],[29] 1.10% [12],[29] 1.10% [12],[29] 1.10% [15],[16],[17]  
Investment, Identifier [Axis]: MINDBODY, Inc., First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 7.00% [12],[24],[33] 7.00% [12],[24],[33] 7.00% [12],[24],[33] 7.00% [15],[16],[19],[41]  
Par / Units $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Amortized Cost (14,000) [12],[24],[33]     (22,000) [15],[16],[19],[41]  
Fair Value $ (30,000) [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Maia Aggregator, LP, Class A-2 Units          
Schedule of Investments [Line Items]          
Units (in shares) | shares 168,539 [12],[25],[31] 168,539 [12],[25],[31] 168,539 [12],[25],[31] 168,539 [16],[27],[28]  
Amortized Cost $ 169,000 [12],[25],[31]     $ 169,000 [16],[27],[28]  
Fair Value $ 179,000 [12],[25],[31]     $ 179,000 [16],[27],[28]  
Percentage of Net Assets 0.00% [12],[25],[31] 0.00% [12],[25],[31] 0.00% [12],[25],[31] 0.00% [16],[27],[28]  
Investment, Identifier [Axis]: Mario Midco Holdings, Inc. (dba Len the Plumber), Unsecured facility          
Schedule of Investments [Line Items]          
Interest       10.75% [15],[16],[35]  
Interest, PIK 10.75% [12],[13] 10.75% [12],[13] 10.75% [12],[13] 10.75% [15],[16],[35]  
Par / Units $ 4,596,000 [12],[13]     $ 4,081,000 [15],[16],[35]  
Amortized Cost 4,492,000 [12],[13]     3,973,000 [15],[16],[35]  
Fair Value $ 4,561,000 [12],[13]     $ 4,020,000 [15],[16],[35]  
Percentage of Net Assets 0.10% [12],[13] 0.10% [12],[13] 0.10% [12],[13] 0.10% [15],[16],[35]  
Investment, Identifier [Axis]: Mario Purchaser, LLC (dba Len the Plumber), First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[13],[24],[32] 5.75% [12],[13],[24],[32] 5.75% [12],[13],[24],[32] 5.75% [15],[16],[19],[35],[38]  
Par / Units $ 3,150,000 [12],[13],[24],[32]     $ 2,021,000 [15],[16],[19],[35],[38]  
Amortized Cost 3,068,000 [12],[13],[24],[32]     1,939,000 [15],[16],[19],[35],[38]  
Fair Value $ 3,135,000 [12],[13],[24],[32]     $ 2,000,000 [15],[16],[19],[35],[38]  
Percentage of Net Assets 0.10% [12],[13],[24],[32] 0.10% [12],[13],[24],[32] 0.10% [12],[13],[24],[32] 0.00% [15],[16],[19],[35],[38]  
Investment, Identifier [Axis]: Mario Purchaser, LLC (dba Len the Plumber), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[13] 5.75% [12],[13] 5.75% [12],[13] 5.75% [15],[16],[35]  
Par / Units $ 12,944,000 [12],[13]     $ 13,042,000 [15],[16],[35]  
Amortized Cost 12,725,000 [12],[13]     12,800,000 [15],[16],[35]  
Fair Value $ 12,879,000 [12],[13]     $ 12,911,000 [15],[16],[35]  
Percentage of Net Assets 0.20% [12],[13] 0.20% [12],[13] 0.20% [12],[13] 0.20% [15],[16],[35]  
Investment, Identifier [Axis]: Mario Purchaser, LLC (dba Len the Plumber), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[24],[33] 5.75% [12],[24],[33] 5.75% [12],[24],[33] 5.75% [15],[16],[19],[41]  
Par / Units $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Amortized Cost (21,000) [12],[24],[33]     (24,000) [15],[16],[19],[41]  
Fair Value $ (7,000) [12],[24],[33]     $ (14,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Medline Borrower, LP, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 3.25% [12],[24],[33] 3.25% [12],[24],[33] 3.25% [12],[24],[33] 2.25% [15],[16],[19],[41]  
Par / Units $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Amortized Cost (99,000) [12],[24],[33]     (123,000) [15],[16],[19],[41]  
Fair Value $ (126,000) [12],[24],[33]     $ (485,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: MessageBird BidCo B.V., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.75% [12],[13],[14] 6.75% [12],[13],[14] 6.75% [12],[13],[14] 6.75% [15],[16],[18],[34]  
Par / Units $ 44,917,000 [12],[13],[14]     $ 77,000,000 [15],[16],[18],[34]  
Amortized Cost 44,258,000 [12],[13],[14]     75,685,000 [15],[16],[18],[34]  
Fair Value $ 44,580,000 [12],[13],[14]     $ 75,268,000 [15],[16],[18],[34]  
Percentage of Net Assets 0.70% [12],[13],[14] 0.70% [12],[13],[14] 0.70% [12],[13],[14] 1.30% [15],[16],[18],[34]  
Investment, Identifier [Axis]: MessageBird Holding B.V., Extended Series C Warrants          
Schedule of Investments [Line Items]          
Units (in shares) | shares 122,890 [12],[14],[25],[31] 122,890 [12],[14],[25],[31] 122,890 [12],[14],[25],[31] 122,890 [16],[18],[27],[28]  
Amortized Cost $ 753,000 [12],[14],[25],[31]     $ 753,000 [16],[18],[27],[28]  
Fair Value $ 140,000 [12],[14],[25],[31]     $ 89,000 [16],[18],[27],[28]  
Percentage of Net Assets 0.00% [12],[14],[25],[31] 0.00% [12],[14],[25],[31] 0.00% [12],[14],[25],[31] 0.00% [16],[18],[27],[28]  
Investment, Identifier [Axis]: Metis HoldCo, Inc. (dba Mavis Tire Express Services), Series A Convertible Preferred Stock          
Schedule of Investments [Line Items]          
Interest       7.00% [16],[28],[42]  
Interest, PIK 7.00% [12],[23],[25] 7.00% [12],[23],[25] 7.00% [12],[23],[25] 7.00% [16],[28],[42]  
Units (in shares) | shares 176,926,000 [12],[23],[25] 176,926,000 [12],[23],[25] 176,926,000 [12],[23],[25] 167,977,000 [16],[28],[42]  
Amortized Cost $ 173,104,000 [12],[23],[25]     $ 163,743,000 [16],[28],[42]  
Fair Value $ 176,926,000 [12],[23],[25]     $ 161,677,000 [16],[28],[42]  
Percentage of Net Assets 2.90% [12],[23],[25] 2.90% [12],[23],[25] 2.90% [12],[23],[25] 2.70% [16],[28],[42]  
Investment, Identifier [Axis]: Midwest Custom Windows, LLC          
Schedule of Investments [Line Items]          
Fair Value $ 23,900,000        
Investment, Identifier [Axis]: Milan Laser Holdings LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.00% [12],[13] 5.00% [12],[13] 5.00% [12],[13] 5.00% [15],[16],[35]  
Par / Units $ 23,872,000 [12],[13]     $ 24,055,000 [15],[16],[35]  
Amortized Cost 23,718,000 [12],[13]     23,873,000 [15],[16],[35]  
Fair Value $ 23,872,000 [12],[13]     $ 24,055,000 [15],[16],[35]  
Percentage of Net Assets 0.40% [12],[13] 0.40% [12],[13] 0.40% [12],[13] 0.40% [15],[16],[35]  
Investment, Identifier [Axis]: Milan Laser Holdings LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.00% [12],[24],[33] 5.00% [12],[24],[33] 5.00% [12],[24],[33] 5.00% [15],[16],[19],[41]  
Par / Units $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Amortized Cost (11,000) [12],[24],[33]     (14,000) [15],[16],[19],[41]  
Fair Value $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Minerva Holdco, Inc., Series A Preferred Stock          
Schedule of Investments [Line Items]          
Interest       10.75% [16],[28],[42]  
Interest, PIK 10.75% [12],[23],[25] 10.75% [12],[23],[25] 10.75% [12],[23],[25] 10.75% [16],[28],[42]  
Units (in shares) | shares 8,114,000 [12],[23],[25] 8,114,000 [12],[23],[25] 8,114,000 [12],[23],[25] 7,483,000 [16],[28],[42]  
Amortized Cost $ 7,994,000 [12],[23],[25]     $ 7,354,000 [16],[28],[42]  
Fair Value $ 7,668,000 [12],[23],[25]     $ 6,734,000 [16],[28],[42]  
Percentage of Net Assets 0.10% [12],[23],[25] 0.10% [12],[23],[25] 0.10% [12],[23],[25] 0.10% [16],[28],[42]  
Investment, Identifier [Axis]: Ministry Brands Holdings, LLC, First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest 5.50% [12],[24],[29],[32] 5.50% [12],[24],[29],[32] 5.50% [12],[24],[29],[32] 5.50% [15],[16],[19],[38],[41]  
Par / Units $ 36,000 [12],[24],[29],[32]     $ 0 [15],[16],[19],[38],[41]  
Amortized Cost 34,000 [12],[24],[29],[32]     (2,000) [15],[16],[19],[38],[41]  
Fair Value $ 34,000 [12],[24],[29],[32]     $ (3,000) [15],[16],[19],[38],[41]  
Percentage of Net Assets 0.00% [12],[24],[29],[32] 0.00% [12],[24],[29],[32] 0.00% [12],[24],[29],[32] 0.00% [15],[16],[19],[38],[41]  
Investment, Identifier [Axis]: Ministry Brands Holdings, LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.50% [12],[13] 5.50% [12],[13] 5.50% [12],[13] 5.50% [15],[16],[34]  
Par / Units $ 696,000 [12],[13]     $ 701,000 [15],[16],[34]  
Amortized Cost 684,000 [12],[13]     689,000 [15],[16],[34]  
Fair Value $ 683,000 [12],[13]     $ 683,000 [15],[16],[34]  
Percentage of Net Assets 0.00% [12],[13] 0.00% [12],[13] 0.00% [12],[13] 0.00% [15],[16],[34]  
Investment, Identifier [Axis]: Ministry Brands Holdings, LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.50% [12],[13],[24] 5.50% [12],[13],[24] 5.50% [12],[13],[24] 5.50% [15],[16],[19],[34]  
Par / Units $ 31,000 [12],[13],[24]     $ 34,000 [15],[16],[19],[34]  
Amortized Cost 30,000 [12],[13],[24]     33,000 [15],[16],[19],[34]  
Fair Value $ 29,000 [12],[13],[24]     $ 32,000 [15],[16],[19],[34]  
Percentage of Net Assets 0.00% [12],[13],[24] 0.00% [12],[13],[24] 0.00% [12],[13],[24] 0.00% [15],[16],[19],[34]  
Investment, Identifier [Axis]: Motus Group, LLC, Second lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[13] 6.50% [12],[13] 6.50% [12],[13] 6.50% [15],[16],[34]  
Par / Units $ 10,810,000 [12],[13]     $ 10,810,000 [15],[16],[34]  
Amortized Cost 10,720,000 [12],[13]     10,712,000 [15],[16],[34]  
Fair Value $ 10,675,000 [12],[13]     $ 10,594,000 [15],[16],[34]  
Percentage of Net Assets 0.20% [12],[13] 0.20% [12],[13] 0.20% [12],[13] 0.20% [15],[16],[34]  
Investment, Identifier [Axis]: Muine Gall, LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       7.00% [15],[16],[18],[30],[51]  
Interest, PIK 7.00% [12],[14],[37],[50] 7.00% [12],[14],[37],[50] 7.00% [12],[14],[37],[50] 7.00% [15],[16],[18],[30],[51]  
Par / Units $ 83,931,000 [12],[14],[37],[50]     $ 261,493,000 [15],[16],[18],[30],[51]  
Amortized Cost 84,955,000 [12],[14],[37],[50]     262,995,000 [15],[16],[18],[30],[51]  
Fair Value $ 83,931,000 [12],[14],[37],[50]     $ 254,956,000 [15],[16],[18],[30],[51]  
Percentage of Net Assets 1.40% [12],[14],[37],[50] 1.40% [12],[14],[37],[50] 1.40% [12],[14],[37],[50] 4.30% [15],[16],[18],[30],[51]  
Investment, Identifier [Axis]: NMI Acquisitionco, Inc. (dba Network Merchants), First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest       5.75% [15],[16],[19],[34],[38]  
Par / Units       $ 5,923,000 [15],[16],[19],[34],[38]  
Amortized Cost       5,844,000 [15],[16],[19],[34],[38]  
Fair Value       $ 5,834,000 [15],[16],[19],[34],[38]  
Percentage of Net Assets       0.10% [15],[16],[19],[34],[38]  
Investment, Identifier [Axis]: NMI Acquisitionco, Inc. (dba Network Merchants), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[13] 5.75% [12],[13] 5.75% [12],[13] 5.75% [15],[16],[34]  
Par / Units $ 36,479,000 [12],[13]     $ 25,048,000 [15],[16],[34]  
Amortized Cost 36,233,000 [12],[13]     24,933,000 [15],[16],[34]  
Fair Value $ 36,296,000 [12],[13]     $ 24,735,000 [15],[16],[34]  
Percentage of Net Assets 0.60% [12],[13] 0.60% [12],[13] 0.60% [12],[13] 0.40% [15],[16],[34]  
Investment, Identifier [Axis]: NMI Acquisitionco, Inc. (dba Network Merchants), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.75% [24],[33] 5.75% [24],[33] 5.75% [24],[33] 5.75% [15],[16],[19],[41]  
Par / Units $ 0 [24],[33]     $ 0 [15],[16],[19],[41]  
Amortized Cost (9,000) [24],[33]     (13,000) [15],[16],[19],[41]  
Fair Value $ (8,000) [24],[33]     $ (21,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [24],[33] 0.00% [24],[33] 0.00% [24],[33] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: National Dentex Labs LLC (fka Barracuda Dental LLC), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 8.00% [12],[29] 8.00% [12],[29] 8.00% [12],[29] 8.00% [15],[16],[17]  
Interest, PIK 3.00% [12],[29] 3.00% [12],[29] 3.00% [12],[29] 3.00% [15],[16],[17]  
Par / Units $ 107,652,000 [12],[29]     $ 106,033,000 [15],[16],[17]  
Amortized Cost 106,875,000 [12],[29]     104,979,000 [15],[16],[17]  
Fair Value $ 105,231,000 [12],[29]     $ 103,381,000 [15],[16],[17]  
Percentage of Net Assets 1.80% [12],[29] 1.80% [12],[29] 1.80% [12],[29] 1.80% [15],[16],[17]  
Investment, Identifier [Axis]: National Dentex Labs LLC (fka Barracuda Dental LLC), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 7.00% [12],[24],[29] 7.00% [12],[24],[29] 7.00% [12],[24],[29] 7.00% [15],[16],[17],[19]  
Par / Units $ 5,385,000 [12],[24],[29]     $ 9,195,000 [15],[16],[17],[19]  
Amortized Cost 5,283,000 [12],[24],[29]     9,055,000 [15],[16],[17],[19]  
Fair Value $ 5,175,000 [12],[24],[29]     $ 8,961,000 [15],[16],[17],[19]  
Percentage of Net Assets 0.10% [12],[24],[29] 0.10% [12],[24],[29] 0.10% [12],[24],[29] 0.20% [15],[16],[17],[19]  
Investment, Identifier [Axis]: Natural Partners, LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.00% [12],[14],[29] 6.00% [12],[14],[29] 6.00% [12],[14],[29] 6.00% [15],[16],[18],[30]  
Par / Units $ 917,000 [12],[14],[29]     $ 924,000 [15],[16],[18],[30]  
Amortized Cost 903,000 [12],[14],[29]     908,000 [15],[16],[18],[30]  
Fair Value $ 910,000 [12],[14],[29]     $ 906,000 [15],[16],[18],[30]  
Percentage of Net Assets 0.00% [12],[14],[29] 0.00% [12],[14],[29] 0.00% [12],[14],[29] 0.00% [15],[16],[18],[30]  
Investment, Identifier [Axis]: Natural Partners, LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.00% [12],[14],[24],[33] 6.00% [12],[14],[24],[33] 6.00% [12],[14],[24],[33] 6.00% [15],[16],[18],[19],[41]  
Par / Units $ 0 [12],[14],[24],[33]     $ 0 [15],[16],[18],[19],[41]  
Amortized Cost (1,000) [12],[14],[24],[33]     (1,000) [15],[16],[18],[19],[41]  
Fair Value $ (1,000) [12],[14],[24],[33]     $ (1,000) [15],[16],[18],[19],[41]  
Percentage of Net Assets 0.00% [12],[14],[24],[33] 0.00% [12],[14],[24],[33] 0.00% [12],[14],[24],[33] 0.00% [15],[16],[18],[19],[41]  
Investment, Identifier [Axis]: Nelipak Holding Company, First lien senior secured EUR revolving loan          
Schedule of Investments [Line Items]          
Interest 4.50% [12],[24],[52] 4.50% [12],[24],[52] 4.50% [12],[24],[52] 4.50% [15],[16],[19],[47]  
Par / Units   € 938 [12],[24],[52]   $ 2,574,000 [15],[16],[19],[47]  
Amortized Cost $ 851,000 [12],[24],[52]     2,516,000 [15],[16],[19],[47]  
Fair Value $ 993,000 [12],[24],[52]     $ 2,522,000 [15],[16],[19],[47]  
Percentage of Net Assets 0.00% [12],[24],[52] 0.00% [12],[24],[52] 0.00% [12],[24],[52] 0.00% [15],[16],[19],[47]  
Investment, Identifier [Axis]: Nelipak Holding Company, First lien senior secured USD revolving loan          
Schedule of Investments [Line Items]          
Interest 4.25% [12],[24],[33] 4.25% [12],[24],[33] 4.25% [12],[24],[33] 4.25% [15],[16],[17],[19]  
Par / Units $ 0 [12],[24],[33]     $ 1,072,000 [15],[16],[17],[19]  
Amortized Cost (22,000) [12],[24],[33]     1,028,000 [15],[16],[17],[19]  
Fair Value $ 0 [12],[24],[33]     $ 1,017,000 [15],[16],[17],[19]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[17],[19]  
Investment, Identifier [Axis]: Nelipak Holding Company, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 4.25% [12],[29] 4.25% [12],[29] 4.25% [12],[29] 4.25% [15],[16],[17]  
Par / Units $ 2,268,000 [12],[29]     $ 2,286,000 [15],[16],[17]  
Amortized Cost 2,248,000 [12],[29]     2,260,000 [15],[16],[17]  
Fair Value $ 2,268,000 [12],[29]     $ 2,269,000 [15],[16],[17]  
Percentage of Net Assets 0.00% [12],[29] 0.00% [12],[29] 0.00% [12],[29] 0.00% [15],[16],[17]  
Investment, Identifier [Axis]: Nelipak Holding Company, Second lien EUR senior secured loan          
Schedule of Investments [Line Items]          
Interest 8.50% [12],[64] 8.50% [12],[64] 8.50% [12],[64] 8.50% [15],[16],[46]  
Par / Units   € 60,100 [12],[64]   $ 64,142,000 [15],[16],[46]  
Amortized Cost $ 66,689,000 [12],[64]     66,603,000 [15],[16],[46]  
Fair Value $ 63,472,000 [12],[64]     $ 63,340,000 [15],[16],[46]  
Percentage of Net Assets 1.10% [12],[64] 1.10% [12],[64] 1.10% [12],[64] 1.10% [15],[16],[46]  
Investment, Identifier [Axis]: Nelipak Holding Company, Second lien USD senior secured loan          
Schedule of Investments [Line Items]          
Interest 8.25% [12],[29] 8.25% [12],[29] 8.25% [12],[29] 8.25% [15],[16],[17]  
Par / Units $ 67,006,000 [12],[29]     $ 67,006,000 [15],[16],[17]  
Amortized Cost 66,434,000 [12],[29]     66,348,000 [15],[16],[17]  
Fair Value $ 67,006,000 [12],[29]     $ 66,503,000 [15],[16],[17]  
Percentage of Net Assets 1.10% [12],[29] 1.10% [12],[29] 1.10% [12],[29] 1.10% [15],[16],[17]  
Investment, Identifier [Axis]: Nellson Nutraceutical, LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[29] 5.75% [12],[29] 5.75% [12],[29] 5.75% [15],[16],[35]  
Par / Units $ 25,835,000 [12],[29]     $ 25,982,000 [15],[16],[35]  
Amortized Cost 25,754,000 [12],[29]     25,643,000 [15],[16],[35]  
Fair Value $ 25,512,000 [12],[29]     $ 25,527,000 [15],[16],[35]  
Percentage of Net Assets 0.40% [12],[29] 0.40% [12],[29] 0.40% [12],[29] 0.40% [15],[16],[35]  
Investment, Identifier [Axis]: New PLI Holdings, LLC (dba PLI), Class A Common Units          
Schedule of Investments [Line Items]          
Units (in shares) | shares 86,745,000 [12],[22],[25] 86,745,000 [12],[22],[25] 86,745,000 [12],[22],[25] 86,745,000 [16],[26],[27],[28]  
Amortized Cost $ 48,007,000 [12],[22],[25]     $ 48,008,000 [16],[26],[27],[28]  
Fair Value $ 97,691,000 [12],[22],[25]     $ 97,799,000 [16],[26],[27],[28]  
Percentage of Net Assets 1.60% [12],[22],[25] 1.60% [12],[22],[25] 1.60% [12],[22],[25] 1.70% [16],[26],[27],[28]  
Investment, Identifier [Axis]: Norvax, LLC (dba GoHealth), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.50% [12],[13] 7.50% [12],[13] 7.50% [12],[13] 7.50% [15],[16],[17]  
Par / Units $ 74,319,000 [12],[13]     $ 76,588,000 [15],[16],[17]  
Amortized Cost 73,089,000 [12],[13]     74,905,000 [15],[16],[17]  
Fair Value $ 73,390,000 [12],[13]     $ 75,440,000 [15],[16],[17]  
Percentage of Net Assets 1.20% [12],[13] 1.20% [12],[13] 1.20% [12],[13] 1.30% [15],[16],[17]  
Investment, Identifier [Axis]: Norvax, LLC (dba GoHealth), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[24],[33] 6.50% [12],[24],[33] 6.50% [12],[24],[33] 6.50% [15],[16],[19],[41]  
Par / Units $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Amortized Cost (35,000) [12],[24],[33]     (63,000) [15],[16],[19],[41]  
Fair Value $ (153,000) [12],[24],[33]     $ (184,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Notorious Topco, LLC (dba Beauty Industry Group), First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest 6.75% [12],[24],[29],[32] 6.75% [12],[24],[29],[32] 6.75% [12],[24],[29],[32] 6.75% [15],[16],[19],[38],[40]  
Par / Units $ 9,458,000 [12],[24],[29],[32]     $ 9,530,000 [15],[16],[19],[38],[40]  
Amortized Cost 9,294,000 [12],[24],[29],[32]     9,336,000 [15],[16],[19],[38],[40]  
Fair Value $ 8,785,000 [12],[24],[29],[32]     $ 9,482,000 [15],[16],[19],[38],[40]  
Percentage of Net Assets 0.10% [12],[24],[29],[32] 0.10% [12],[24],[29],[32] 0.10% [12],[24],[29],[32] 0.20% [15],[16],[19],[38],[40]  
Investment, Identifier [Axis]: Notorious Topco, LLC (dba Beauty Industry Group), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.75% [12],[29] 6.75% [12],[29] 6.75% [12],[29] 6.75% [15],[16],[40]  
Par / Units $ 108,527,000 [12],[29]     $ 109,355,000 [15],[16],[40]  
Amortized Cost 107,307,000 [12],[29]     107,959,000 [15],[16],[40]  
Fair Value $ 103,372,000 [12],[29]     $ 108,809,000 [15],[16],[40]  
Percentage of Net Assets 1.70% [12],[29] 1.70% [12],[29] 1.70% [12],[29] 1.80% [15],[16],[40]  
Investment, Identifier [Axis]: Notorious Topco, LLC (dba Beauty Industry Group), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.75% [12],[24],[29] 6.75% [12],[24],[29] 6.75% [12],[24],[29] 6.75% [15],[16],[19],[40]  
Par / Units $ 638,000 [12],[24],[29]     $ 1,596,000 [15],[16],[19],[40]  
Amortized Cost 543,000 [12],[24],[29]     1,481,000 [15],[16],[19],[40]  
Fair Value $ 184,000 [12],[24],[29]     $ 1,548,000 [15],[16],[19],[40]  
Percentage of Net Assets 0.00% [12],[24],[29] 0.00% [12],[24],[29] 0.00% [12],[24],[29] 0.00% [15],[16],[19],[40]  
Investment, Identifier [Axis]: Nutraceutical International Corporation, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       7.00% [15],[16],[34]  
Par / Units       $ 186,644,000 [15],[16],[34]  
Amortized Cost       184,758,000 [15],[16],[34]  
Fair Value       $ 169,845,000 [15],[16],[34]  
Percentage of Net Assets       2.90% [15],[16],[34]  
Investment, Identifier [Axis]: Nutraceutical International Corporation, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest       7.00% [15],[16],[34]  
Par / Units       $ 13,578,000 [15],[16],[34]  
Amortized Cost       13,467,000 [15],[16],[34]  
Fair Value       $ 12,356,000 [15],[16],[34]  
Percentage of Net Assets       0.20% [15],[16],[34]  
Investment, Identifier [Axis]: OB Hospitalist Group, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.50% [12],[29] 5.50% [12],[29] 5.50% [12],[29] 5.50% [15],[16],[17]  
Par / Units $ 94,069,000 [12],[29]     $ 95,029,000 [15],[16],[17]  
Amortized Cost 92,718,000 [12],[29]     93,464,000 [15],[16],[17]  
Fair Value $ 92,423,000 [12],[29]     $ 93,841,000 [15],[16],[17]  
Percentage of Net Assets 1.50% [12],[29] 1.50% [12],[29] 1.50% [12],[29] 1.60% [15],[16],[17]  
Investment, Identifier [Axis]: OB Hospitalist Group, Inc., First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.50% [12],[24],[29] 5.50% [12],[24],[29] 5.50% [12],[24],[29] 5.50% [15],[16],[17],[19]  
Par / Units $ 6,867,000 [12],[24],[29]     $ 5,251,000 [15],[16],[17],[19]  
Amortized Cost 6,666,000 [12],[24],[29]     5,012,000 [15],[16],[17],[19]  
Fair Value $ 6,602,000 [12],[24],[29]     $ 5,062,000 [15],[16],[17],[19]  
Percentage of Net Assets 0.10% [12],[24],[29] 0.10% [12],[24],[29] 0.10% [12],[24],[29] 0.10% [15],[16],[17],[19]  
Investment, Identifier [Axis]: ORCC Senior Loan Fund LLC (fka Sebago Lake LLC)          
Schedule of Investments [Line Items]          
Units (in shares) | shares       318,839,000 [18],[26],[28],[51],[66]  
Amortized Cost       $ 318,839,000 [18],[26],[28],[51],[66]  
Fair Value       $ 288,981,000 [18],[26],[28],[51],[66],[67] 247,061,000 [67]
Percentage of Net Assets       4.90% [18],[26],[28],[51],[66]  
Investment, Identifier [Axis]: Ocala Bidco, Inc., First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[24],[29],[32],[33] 5.75% [12],[24],[29],[32],[33] 5.75% [12],[24],[29],[32],[33]    
Par / Units $ 0 [12],[24],[29],[32],[33]        
Amortized Cost (175,000) [12],[24],[29],[32],[33]        
Fair Value $ (47,000) [12],[24],[29],[32],[33]        
Percentage of Net Assets 0.00% [12],[24],[29],[32],[33] 0.00% [12],[24],[29],[32],[33] 0.00% [12],[24],[29],[32],[33]    
Investment, Identifier [Axis]: Ocala Bidco, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.25% [12],[29] 6.25% [12],[29] 6.25% [12],[29]    
Interest, PIK 2.75% [12],[29] 2.75% [12],[29] 2.75% [12],[29]    
Par / Units $ 186,574,000 [12],[29]        
Amortized Cost 183,102,000 [12],[29]        
Fair Value $ 183,776,000 [12],[29]        
Percentage of Net Assets 3.10% [12],[29] 3.10% [12],[29] 3.10% [12],[29]    
Investment, Identifier [Axis]: Ocala Bidco, Inc., Second lien senior secured loan          
Schedule of Investments [Line Items]          
Interest, PIK 10.50% [12],[29] 10.50% [12],[29] 10.50% [12],[29]    
Par / Units $ 107,468,000 [12],[29]        
Amortized Cost 105,895,000 [12],[29]        
Fair Value $ 106,393,000 [12],[29]        
Percentage of Net Assets 1.80% [12],[29] 1.80% [12],[29] 1.80% [12],[29]    
Investment, Identifier [Axis]: Offen, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.00% [12],[37] 5.00% [12],[37] 5.00% [12],[37] 5.00% [15],[16],[34]  
Par / Units $ 18,655,000 [12],[37]     $ 18,695,000 [15],[16],[34]  
Amortized Cost 18,575,000 [12],[37]     18,596,000 [15],[16],[34]  
Fair Value $ 18,655,000 [12],[37]     $ 18,695,000 [15],[16],[34]  
Percentage of Net Assets 0.30% [12],[37] 0.30% [12],[37] 0.30% [12],[37] 0.30% [15],[16],[34]  
Investment, Identifier [Axis]: Ole Smoky Distillery, LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.50% [12],[13] 5.50% [12],[13] 5.50% [12],[13] 5.25% [15],[16],[35]  
Par / Units $ 870,000 [12],[13]     $ 877,000 [15],[16],[35]  
Amortized Cost 857,000 [12],[13]     861,000 [15],[16],[35]  
Fair Value $ 857,000 [12],[13]     $ 860,000 [15],[16],[35]  
Percentage of Net Assets 0.00% [12],[13] 0.00% [12],[13] 0.00% [12],[13] 0.00% [15],[16],[35]  
Investment, Identifier [Axis]: Ole Smoky Distillery, LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.50% [12],[24],[33] 5.50% [12],[24],[33] 5.50% [12],[24],[33] 5.25% [15],[16],[19],[41]  
Par / Units $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Amortized Cost (2,000) [12],[24],[33]     (2,000) [15],[16],[19],[41]  
Fair Value $ (2,000) [12],[24],[33]     $ (2,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: PCF Holdco, LLC (dba PCF Insurance Services), Class A Unit Warrants          
Schedule of Investments [Line Items]          
Units (in shares) | shares 1,288,200 [12],[25],[31] 1,288,200 [12],[25],[31] 1,288,200 [12],[25],[31]    
Amortized Cost $ 4,396,000 [12],[25],[31]        
Fair Value $ 4,400,000 [12],[25],[31]        
Percentage of Net Assets 0.10% [12],[25],[31] 0.10% [12],[25],[31] 0.10% [12],[25],[31]    
Investment, Identifier [Axis]: PCF Holdco, LLC (dba PCF Insurance Services), Class A Units          
Schedule of Investments [Line Items]          
Units (in shares) | shares 14,772,724 [12],[25],[31] 14,772,724 [12],[25],[31] 14,772,724 [12],[25],[31] 14,772,724 [16],[27],[28]  
Amortized Cost $ 37,463,000 [12],[25],[31]     $ 37,464,000 [16],[27],[28]  
Fair Value $ 67,457,000 [12],[25],[31]     $ 67,456,000 [16],[27],[28]  
Percentage of Net Assets 1.10% [12],[25],[31] 1.10% [12],[25],[31] 1.10% [12],[25],[31] 1.10% [16],[27],[28]  
Investment, Identifier [Axis]: PCF Holdco, LLC (dba PCF Insurance Services), Series A Preferred Units          
Schedule of Investments [Line Items]          
Interest, PIK 15.00% [12],[24],[25] 15.00% [12],[24],[25] 15.00% [12],[24],[25]    
Units (in shares) | shares 11,437,106 [12],[23],[24],[25] 11,437,106 [12],[23],[24],[25] 11,437,106 [12],[23],[24],[25]    
Amortized Cost $ 6,767,000 [12],[23],[24],[25]        
Fair Value $ 7,180,000 [12],[23],[24],[25]        
Percentage of Net Assets 0.10% [12],[23],[24],[25] 0.10% [12],[23],[24],[25] 0.10% [12],[23],[24],[25]    
Investment, Identifier [Axis]: PCF Midco II, LLC (dba PCF Insurance Services), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       9.00% [16],[42]  
Interest, PIK 9.00% [12],[23] 9.00% [12],[23] 9.00% [12],[23] 9.00% [16],[42]  
Par / Units $ 141,020,000 [12],[23]     $ 131,818,000 [16],[42]  
Amortized Cost 131,117,000 [12],[23]     121,345,000 [16],[42]  
Fair Value $ 130,796,000 [12],[23]     $ 118,636,000 [16],[42]  
Percentage of Net Assets 2.20% [12],[23] 2.20% [12],[23] 2.20% [12],[23] 2.00% [16],[42]  
Investment, Identifier [Axis]: PHM Netherlands Midco B.V. (dba Loparex), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 4.50% [12],[29] 4.50% [12],[29] 4.50% [12],[29] 4.50% [15],[16],[17]  
Par / Units $ 772,000 [12],[29]     $ 778,000 [15],[16],[17]  
Amortized Cost 741,000 [12],[29]     740,000 [15],[16],[17]  
Fair Value $ 729,000 [12],[29]     $ 751,000 [15],[16],[17]  
Percentage of Net Assets 0.00% [12],[29] 0.00% [12],[29] 0.00% [12],[29] 0.00% [15],[16],[17]  
Investment, Identifier [Axis]: PHM Netherlands Midco B.V. (dba Loparex), Second lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 8.75% [12],[29] 8.75% [12],[29] 8.75% [12],[29] 8.75% [15],[16],[17]  
Par / Units $ 112,000,000 [12],[29]     $ 112,000,000 [15],[16],[17]  
Amortized Cost 107,363,000 [12],[29]     106,756,000 [15],[16],[17]  
Fair Value $ 107,240,000 [12],[29]     $ 109,200,000 [15],[16],[17]  
Percentage of Net Assets 1.80% [12],[29] 1.80% [12],[29] 1.80% [12],[29] 1.90% [15],[16],[17]  
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest 6.00% [12],[24],[32] 6.00% [12],[24],[32] 6.00% [12],[24],[32] 5.75% [15],[16],[19],[38],[41]  
Par / Units $ 0 [12],[24],[32]     $ 0 [15],[16],[19],[38],[41]  
Amortized Cost 0 [12],[24],[32]     (2,000) [15],[16],[19],[38],[41]  
Fair Value $ 0 [12],[24],[32]     $ (1,000) [15],[16],[19],[38],[41]  
Percentage of Net Assets 0.00% [12],[24],[32] 0.00% [12],[24],[32] 0.00% [12],[24],[32] 0.00% [15],[16],[19],[38],[41]  
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[29] 5.75% [12],[29] 5.75% [12],[29] 5.75% [15],[16],[40]  
Par / Units $ 933,000 [12],[29]     $ 823,000 [15],[16],[40]  
Amortized Cost 916,000 [12],[29]     808,000 [15],[16],[40]  
Fair Value $ 924,000 [12],[29]     $ 807,000 [15],[16],[40]  
Percentage of Net Assets 0.00% [12],[29] 0.00% [12],[29] 0.00% [12],[29] 0.00% [15],[16],[40]  
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[24],[33] 5.75% [12],[24],[33] 5.75% [12],[24],[33] 5.75% [15],[16],[19],[40]  
Par / Units $ 0 [12],[24],[33]     $ 18,000 [15],[16],[19],[40]  
Amortized Cost (1,000) [12],[24],[33]     17,000 [15],[16],[19],[40]  
Fair Value $ (1,000) [12],[24],[33]     $ 17,000 [15],[16],[19],[40]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[40]  
Investment, Identifier [Axis]: PS Op Holdings LLC (fka QC Supply, LLC), Class A Common Units          
Schedule of Investments [Line Items]          
Units (in shares) | shares 248,271 [22],[25] 248,271 [22],[25] 248,271 [22],[25] 248,271 [26],[27],[28]  
Amortized Cost $ 4,300,000 [22],[25]     $ 4,300,000 [26],[27],[28]  
Fair Value $ 3,425,000 [22],[25]     $ 3,950,000 [26],[27],[28]  
Percentage of Net Assets 0.10% [22],[25] 0.10% [22],[25] 0.10% [22],[25] 0.10% [26],[27],[28]  
Investment, Identifier [Axis]: PS Operating Company LLC (fka QC Supply, LLC)          
Schedule of Investments [Line Items]          
Fair Value $ 19,443,000     $ 20,361,000 19,495,000
Investment, Identifier [Axis]: PS Operating Company LLC (fka QC Supply, LLC), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.00% [22],[29] 6.00% [22],[29] 6.00% [22],[29] 6.00% [15],[17],[26]  
Par / Units $ 13,241,000 [22],[29]     $ 13,241,000 [15],[17],[26]  
Amortized Cost 12,976,000 [22],[29]     12,976,000 [15],[17],[26]  
Fair Value $ 12,613,000 [22],[29]     $ 12,778,000 [15],[17],[26]  
Percentage of Net Assets 0.20% [22],[29] 0.20% [22],[29] 0.20% [22],[29] 0.20% [15],[17],[26]  
Investment, Identifier [Axis]: PS Operating Company LLC (fka QC Supply, LLC), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.00% [22],[24],[29] 6.00% [22],[24],[29] 6.00% [22],[24],[29] 6.00% [15],[17],[19],[26]  
Par / Units $ 3,641,000 [22],[24],[29]     $ 3,807,000 [15],[17],[19],[26]  
Amortized Cost 3,580,000 [22],[24],[29]     3,708,000 [15],[17],[19],[26]  
Fair Value $ 3,405,000 [22],[24],[29]     $ 3,633,000 [15],[17],[19],[26]  
Percentage of Net Assets 0.10% [22],[24],[29] 0.10% [22],[24],[29] 0.10% [22],[24],[29] 0.10% [15],[17],[19],[26]  
Investment, Identifier [Axis]: Pacific BidCo Inc., First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[14],[24],[32],[33] 5.75% [12],[14],[24],[32],[33] 5.75% [12],[14],[24],[32],[33] 5.75% [15],[16],[18],[19],[38],[41]  
Par / Units $ 0 [12],[14],[24],[32],[33]     $ 0 [15],[16],[18],[19],[38],[41]  
Amortized Cost (36,000) [12],[14],[24],[32],[33]     (41,000) [15],[16],[18],[19],[38],[41]  
Fair Value $ 0 [12],[14],[24],[32],[33]     $ (34,000) [15],[16],[18],[19],[38],[41]  
Percentage of Net Assets 0.00% [12],[14],[24],[32],[33] 0.00% [12],[14],[24],[32],[33] 0.00% [12],[14],[24],[32],[33] 0.00% [15],[16],[18],[19],[38],[41]  
Investment, Identifier [Axis]: Pacific BidCo Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[14],[29] 5.75% [12],[14],[29] 5.75% [12],[14],[29] 5.75% [15],[16],[18],[40]  
Par / Units $ 31,191,000 [12],[14],[29]     $ 30,924,000 [15],[16],[18],[40]  
Amortized Cost 30,512,000 [12],[14],[29]     30,184,000 [15],[16],[18],[40]  
Fair Value $ 30,801,000 [12],[14],[29]     $ 30,228,000 [15],[16],[18],[40]  
Percentage of Net Assets 0.50% [12],[14],[29] 0.50% [12],[14],[29] 0.50% [12],[14],[29] 0.50% [15],[16],[18],[40]  
Investment, Identifier [Axis]: Packaging Coordinators Midco, Inc., Second lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.00% [12],[29] 7.00% [12],[29] 7.00% [12],[29] 7.00% [15],[16],[17]  
Par / Units $ 196,044,000 [12],[29]     $ 196,044,000 [15],[16],[17]  
Amortized Cost 193,053,000 [12],[29]     192,817,000 [15],[16],[17]  
Fair Value $ 191,633,000 [12],[29]     $ 185,261,000 [15],[16],[17]  
Percentage of Net Assets 3.20% [12],[29] 3.20% [12],[29] 3.20% [12],[29] 3.10% [15],[16],[17]  
Investment, Identifier [Axis]: Patriot Acquisition TopCo S.A.R.L (dba Corza Health, Inc.), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.75% [12],[14],[29] 6.75% [12],[14],[29] 6.75% [12],[14],[29] 6.75% [15],[16],[18],[40]  
Par / Units $ 134,340,000 [12],[14],[29]     $ 135,372,000 [15],[16],[18],[40]  
Amortized Cost 132,829,000 [12],[14],[29]     133,607,000 [15],[16],[18],[40]  
Fair Value $ 132,996,000 [12],[14],[29]     $ 133,680,000 [15],[16],[18],[40]  
Percentage of Net Assets 2.20% [12],[14],[29] 2.20% [12],[14],[29] 2.20% [12],[14],[29] 2.30% [15],[16],[18],[40]  
Investment, Identifier [Axis]: Patriot Acquisition TopCo S.A.R.L (dba Corza Health, Inc.), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.75% [12],[14],[24],[33] 6.75% [12],[14],[24],[33] 6.75% [12],[14],[24],[33] 6.75% [15],[16],[18],[19],[40]  
Par / Units $ 0 [12],[14],[24],[33]     $ 2,901,000 [15],[16],[18],[19],[40]  
Amortized Cost (131,000) [12],[14],[24],[33]     2,728,000 [15],[16],[18],[19],[40]  
Fair Value $ (135,000) [12],[14],[24],[33]     $ 2,732,000 [15],[16],[18],[19],[40]  
Percentage of Net Assets 0.00% [12],[14],[24],[33] 0.00% [12],[14],[24],[33] 0.00% [12],[14],[24],[33] 0.00% [15],[16],[18],[19],[40]  
Investment, Identifier [Axis]: Patriot Holdings SCSp (dba Corza Health, Inc.), Class A Units          
Schedule of Investments [Line Items]          
Interest       8.00% [16],[18],[28],[42]  
Interest, PIK 8.00% [12],[14],[23],[25] 8.00% [12],[14],[23],[25] 8.00% [12],[14],[23],[25] 8.00% [16],[18],[28],[42]  
Units (in shares) | shares 7,104 [12],[14],[23],[25] 7,104 [12],[14],[23],[25] 7,104 [12],[14],[23],[25] 7,104,000 [16],[18],[28],[42]  
Amortized Cost $ 9,416,000 [12],[14],[23],[25]     $ 8,265,000 [16],[18],[28],[42]  
Fair Value $ 9,416,000 [12],[14],[23],[25]     $ 8,534,000 [16],[18],[28],[42]  
Percentage of Net Assets 0.20% [12],[14],[23],[25] 0.20% [12],[14],[23],[25] 0.20% [12],[14],[23],[25] 0.10% [16],[18],[28],[42]  
Investment, Identifier [Axis]: Patriot Holdings SCSp (dba Corza Health, Inc.), Class B Units          
Schedule of Investments [Line Items]          
Units (in shares) | shares 97,833 [12],[14],[25],[31] 97,833 [12],[14],[25],[31] 97,833 [12],[14],[25],[31] 97,833 [16],[18],[27],[28]  
Amortized Cost $ 150,000 [12],[14],[25],[31]     $ 18,000 [16],[18],[27],[28]  
Fair Value $ 1,625,000 [12],[14],[25],[31]     $ 1,145,000 [16],[18],[27],[28]  
Percentage of Net Assets 0.00% [12],[14],[25],[31] 0.00% [12],[14],[25],[31] 0.00% [12],[14],[25],[31] 0.00% [16],[18],[27],[28]  
Investment, Identifier [Axis]: Peraton Corp., Second lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.75% [12],[29],[43] 7.75% [12],[29],[43] 7.75% [12],[29],[43] 7.75% [15],[16],[34],[44]  
Par / Units $ 45,899,000 [12],[29],[43]     $ 46,113,000 [15],[16],[34],[44]  
Amortized Cost 45,378,000 [12],[29],[43]     45,539,000 [15],[16],[34],[44]  
Fair Value $ 44,829,000 [12],[29],[43]     $ 43,691,000 [15],[16],[34],[44]  
Percentage of Net Assets 0.70% [12],[29],[43] 0.70% [12],[29],[43] 0.70% [12],[29],[43] 0.70% [15],[16],[34],[44]  
Investment, Identifier [Axis]: PerkinElmer U.S. LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.75% [12],[29] 6.75% [12],[29] 6.75% [12],[29]    
Par / Units $ 911,000 [12],[29]        
Amortized Cost 895,000 [12],[29]        
Fair Value $ 900,000 [12],[29]        
Percentage of Net Assets 0.00% [12],[29] 0.00% [12],[29] 0.00% [12],[29]    
Investment, Identifier [Axis]: Peter C. Foy & Associates Insurance Services, LLC (dba PCF Insurance Services), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.00% [12],[13] 6.00% [12],[13] 6.00% [12],[13] 6.00% [15],[16],[30]  
Par / Units $ 133,885,000 [12],[13]     $ 134,907,000 [15],[16],[30]  
Amortized Cost 132,845,000 [12],[13]     133,740,000 [15],[16],[30]  
Fair Value $ 130,537,000 [12],[13]     $ 134,570,000 [15],[16],[30]  
Percentage of Net Assets 2.20% [12],[13] 2.20% [12],[13] 2.20% [12],[13] 2.30% [15],[16],[30]  
Investment, Identifier [Axis]: Peter C. Foy & Associates Insurance Services, LLC (dba PCF Insurance Services), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.00% [12],[24],[33] 6.00% [12],[24],[33] 6.00% [12],[24],[33] 6.00% [15],[16],[19],[41]  
Par / Units $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Amortized Cost (42,000) [12],[24],[33]     (50,000) [15],[16],[19],[41]  
Fair Value $ (154,000) [12],[24],[33]     $ (15,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Phoenix Newco, Inc. (dba Parexel), Second lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[13] 6.50% [12],[13] 6.50% [12],[13] 6.50% [15],[16],[34]  
Par / Units $ 190,000,000 [12],[13]     $ 190,000,000 [15],[16],[34]  
Amortized Cost 188,432,000 [12],[13]     188,302,000 [15],[16],[34]  
Fair Value $ 188,575,000 [12],[13]     $ 186,200,000 [15],[16],[34]  
Percentage of Net Assets 3.10% [12],[13] 3.10% [12],[13] 3.10% [12],[13] 3.20% [15],[16],[34]  
Investment, Identifier [Axis]: Picard Holdco, LLC, Series A Preferred Stock          
Schedule of Investments [Line Items]          
Interest       12.00% [15],[16],[28],[40]  
Interest, PIK 12.00% [12],[25],[29] 12.00% [12],[25],[29] 12.00% [12],[25],[29] 12.00% [15],[16],[28],[40]  
Units (in shares) | shares 22,945,000 [12],[25],[29] 22,945,000 [12],[25],[29] 22,945,000 [12],[25],[29] 25,697,000 [15],[16],[28],[40]  
Amortized Cost $ 22,383,000 [12],[25],[29]     $ 24,968,000 [15],[16],[28],[40]  
Fair Value $ 20,249,000 [12],[25],[29]     $ 24,925,000 [15],[16],[28],[40]  
Percentage of Net Assets 0.30% [12],[25],[29] 0.30% [12],[25],[29] 0.30% [12],[25],[29] 0.40% [15],[16],[28],[40]  
Investment, Identifier [Axis]: Ping Identity Holding Corp., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.00% [12],[13] 7.00% [12],[13] 7.00% [12],[13] 7.00% [15],[16],[35]  
Par / Units $ 909,000 [12],[13]     $ 909,000 [15],[16],[35]  
Amortized Cost 897,000 [12],[13]     896,000 [15],[16],[35]  
Fair Value $ 905,000 [12],[13]     $ 895,000 [15],[16],[35]  
Percentage of Net Assets 0.00% [12],[13] 0.00% [12],[13] 0.00% [12],[13] 0.00% [15],[16],[35]  
Investment, Identifier [Axis]: Ping Identity Holding Corp., First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 7.00% [12],[24],[33] 7.00% [12],[24],[33] 7.00% [12],[24],[33] 7.00% [15],[16],[19],[41]  
Par / Units $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Amortized Cost (1,000) [12],[24],[33]     (1,000) [15],[16],[19],[41]  
Fair Value $ 0 [12],[24],[33]     $ (1,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Plasma Buyer LLC (dba PathGroup), First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[24],[32],[33] 5.75% [12],[24],[32],[33] 5.75% [12],[24],[32],[33] 5.75% [15],[16],[19],[38],[41]  
Par / Units $ 0 [12],[24],[32],[33]     $ 0 [15],[16],[19],[38],[41]  
Amortized Cost (1,000) [12],[24],[32],[33]     (2,000) [15],[16],[19],[38],[41]  
Fair Value $ (2,000) [12],[24],[32],[33]     $ (1,000) [15],[16],[19],[38],[41]  
Percentage of Net Assets 0.00% [12],[24],[32],[33] 0.00% [12],[24],[32],[33] 0.00% [12],[24],[32],[33] 0.00% [15],[16],[19],[38],[41]  
Investment, Identifier [Axis]: Plasma Buyer LLC (dba PathGroup), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[29] 5.75% [12],[29] 5.75% [12],[29] 5.75% [15],[16],[35]  
Par / Units $ 674,000 [12],[29]     $ 679,000 [15],[16],[35]  
Amortized Cost 662,000 [12],[29]     666,000 [15],[16],[35]  
Fair Value $ 660,000 [12],[29]     $ 667,000 [15],[16],[35]  
Percentage of Net Assets 0.00% [12],[29] 0.00% [12],[29] 0.00% [12],[29] 0.00% [15],[16],[35]  
Investment, Identifier [Axis]: Plasma Buyer LLC (dba PathGroup), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[24],[29] 5.75% [12],[24],[29] 5.75% [12],[24],[29] 5.75% [15],[16],[19],[41]  
Par / Units $ 15,000 [12],[24],[29]     $ 0 [15],[16],[19],[41]  
Amortized Cost 14,000 [12],[24],[29]     (1,000) [15],[16],[19],[41]  
Fair Value $ 14,000 [12],[24],[29]     $ (1,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[29] 0.00% [12],[24],[29] 0.00% [12],[24],[29] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Pluralsight, LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 8.00% [12],[29] 8.00% [12],[29] 8.00% [12],[29] 8.00% [15],[16],[17]  
Par / Units $ 99,450,000 [12],[29]     $ 99,450,000 [15],[16],[17]  
Amortized Cost 98,763,000 [12],[29]     98,455,000 [15],[16],[17]  
Fair Value $ 96,218,000 [12],[29]     $ 97,958,000 [15],[16],[17]  
Percentage of Net Assets 1.60% [12],[29] 1.60% [12],[29] 1.60% [12],[29] 1.70% [15],[16],[17]  
Investment, Identifier [Axis]: Pluralsight, LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 8.00% [12],[24],[29] 8.00% [12],[24],[29] 8.00% [12],[24],[29] 8.00% [15],[16],[19],[34]  
Par / Units $ 3,910,000 [12],[24],[29]     $ 3,118,000 [15],[16],[19],[34]  
Amortized Cost 3,873,000 [12],[24],[29]     3,055,000 [15],[16],[19],[34]  
Fair Value $ 3,707,000 [12],[24],[29]     $ 3,024,000 [15],[16],[19],[34]  
Percentage of Net Assets 0.10% [12],[24],[29] 0.10% [12],[24],[29] 0.10% [12],[24],[29] 0.10% [15],[16],[19],[34]  
Investment, Identifier [Axis]: Pregis Topco LLC, Second lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.02% [12],[13] 7.02% [12],[13] 7.02% [12],[13] 7.02% [15],[16],[34]  
Par / Units $ 160,000,000 [12],[13]     $ 160,000,000 [15],[16],[34]  
Amortized Cost 157,898,000 [12],[13]     157,716,000 [15],[16],[34]  
Fair Value $ 159,665,000 [12],[13]     $ 158,193,000 [15],[16],[34]  
Percentage of Net Assets 2.70% [12],[13] 2.70% [12],[13] 2.70% [12],[13] 2.70% [15],[16],[34]  
Investment, Identifier [Axis]: Premier Imaging, LLC (dba LucidHealth), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.00% [12],[29] 6.00% [12],[29] 6.00% [12],[29] 5.75% [15],[16],[34]  
Par / Units $ 42,712,000 [12],[29]     $ 42,998,000 [15],[16],[34]  
Amortized Cost 42,500,000 [12],[29]     42,666,000 [15],[16],[34]  
Fair Value $ 42,391,000 [12],[29]     $ 42,460,000 [15],[16],[34]  
Percentage of Net Assets 0.70% [12],[29] 0.70% [12],[29] 0.70% [12],[29] 0.70% [15],[16],[34]  
Investment, Identifier [Axis]: Project Alpine Co-Invest Fund, LP, LP Interest          
Schedule of Investments [Line Items]          
Units (in shares) | shares 10,000,000 [12],[14],[25],[31] 10,000,000 [12],[14],[25],[31] 10,000,000 [12],[14],[25],[31]    
Amortized Cost $ 10,006,000 [12],[14],[25],[31]        
Fair Value $ 10,974,000 [12],[14],[25],[31]        
Percentage of Net Assets 0.20% [12],[14],[25],[31] 0.20% [12],[14],[25],[31] 0.20% [12],[14],[25],[31]    
Investment, Identifier [Axis]: Project Alpine Co-Invest Fund,LP, LP Interest          
Schedule of Investments [Line Items]          
Units (in shares) | shares       10,006,000 [16],[18],[27],[28]  
Amortized Cost       $ 10,006,000 [16],[18],[27],[28]  
Fair Value       $ 10,000,000 [16],[18],[27],[28]  
Percentage of Net Assets       0.20% [16],[18],[27],[28]  
Investment, Identifier [Axis]: Project Hotel California Co-Invest Fund, L.P., LP Interest          
Schedule of Investments [Line Items]          
Units (in shares) | shares 2,685,000 [12],[14],[25],[31] 2,685,000 [12],[14],[25],[31] 2,685,000 [12],[14],[25],[31] 2,687,000 [16],[18],[27],[28]  
Amortized Cost $ 2,687,000 [12],[14],[25],[31]     $ 2,687,000 [16],[18],[27],[28]  
Fair Value $ 2,804,000 [12],[14],[25],[31]     $ 2,685,000 [16],[18],[27],[28]  
Percentage of Net Assets 0.00% [12],[14],[25],[31] 0.00% [12],[14],[25],[31] 0.00% [12],[14],[25],[31] 0.00% [16],[18],[27],[28]  
Investment, Identifier [Axis]: Project Power Buyer, LLC (dba PEC-Veriforce), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.00% [12],[29] 7.00% [12],[29] 7.00% [12],[29] 6.00% [15],[16],[34]  
Par / Units $ 44,290,000 [12],[29]     $ 44,630,000 [15],[16],[34]  
Amortized Cost 44,018,000 [12],[29]     44,292,000 [15],[16],[34]  
Fair Value $ 44,068,000 [12],[29]     $ 44,630,000 [15],[16],[34]  
Percentage of Net Assets 0.70% [12],[29] 0.70% [12],[29] 0.70% [12],[29] 0.80% [15],[16],[34]  
Investment, Identifier [Axis]: Project Power Buyer, LLC (dba PEC-Veriforce), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 7.00% [12],[24],[33] 7.00% [12],[24],[33] 7.00% [12],[24],[33] 6.00% [15],[16],[19],[41]  
Par / Units $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Amortized Cost (11,000) [12],[24],[33]     (16,000) [15],[16],[19],[41]  
Fair Value $ (16,000) [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Proofpoint, Inc., Second lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.25% [12],[13],[43] 6.25% [12],[13],[43] 6.25% [12],[13],[43] 6.25% [15],[16],[17]  
Par / Units $ 19,600,000 [12],[13],[43]     $ 19,600,000 [15],[16],[17]  
Amortized Cost 19,521,000 [12],[13],[43]     19,514,000 [15],[16],[17]  
Fair Value $ 19,618,000 [12],[13],[43]     $ 18,767,000 [15],[16],[17]  
Percentage of Net Assets 0.30% [12],[13],[43] 0.30% [12],[13],[43] 0.30% [12],[13],[43] 0.30% [15],[16],[17]  
Investment, Identifier [Axis]: QAD, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.38% [12],[13] 5.38% [12],[13] 5.38% [12],[13] 6.00% [15],[16],[34]  
Par / Units $ 26,173,000 [12],[13]     $ 26,372,000 [15],[16],[34]  
Amortized Cost 25,788,000 [12],[13]     25,929,000 [15],[16],[34]  
Fair Value $ 25,715,000 [12],[13]     $ 25,713,000 [15],[16],[34]  
Percentage of Net Assets 0.40% [12],[13] 0.40% [12],[13] 0.40% [12],[13] 0.40% [15],[16],[34]  
Investment, Identifier [Axis]: QAD, Inc., First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.38% [12],[24],[33] 5.38% [12],[24],[33] 5.38% [12],[24],[33] 6.00% [15],[16],[19],[41]  
Par / Units $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Amortized Cost (47,000) [12],[24],[33]     (55,000) [15],[16],[19],[41]  
Fair Value $ (60,000) [12],[24],[33]     $ (86,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Quva Pharma, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.50% [12],[13] 5.50% [12],[13] 5.50% [12],[13] 5.50% [15],[16],[17]  
Par / Units $ 39,200,000 [12],[13]     $ 39,500,000 [15],[16],[17]  
Amortized Cost 38,366,000 [12],[13]     38,554,000 [15],[16],[17]  
Fair Value $ 38,808,000 [12],[13]     $ 38,710,000 [15],[16],[17]  
Percentage of Net Assets 0.60% [12],[13] 0.60% [12],[13] 0.60% [12],[13] 0.70% [15],[16],[17]  
Investment, Identifier [Axis]: Quva Pharma, Inc., First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.50% [12],[13],[24] 5.50% [12],[13],[24] 5.50% [12],[13],[24] 5.50% [15],[16],[17],[19]  
Par / Units $ 880,000 [12],[13],[24]     $ 1,920,000 [15],[16],[17],[19]  
Amortized Cost 819,000 [12],[13],[24]     1,841,000 [15],[16],[17],[19]  
Fair Value $ 840,000 [12],[13],[24]     $ 1,840,000 [15],[16],[17],[19]  
Percentage of Net Assets 0.00% [12],[13],[24] 0.00% [12],[13],[24] 0.00% [12],[13],[24] 0.00% [15],[16],[17],[19]  
Investment, Identifier [Axis]: REALPAGE, INC., Second lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[13],[43] 6.50% [12],[13],[43] 6.50% [12],[13],[43] 6.50% [15],[16],[34]  
Par / Units $ 34,500,000 [12],[13],[43]     $ 34,500,000 [15],[16],[34]  
Amortized Cost 34,105,000 [12],[13],[43]     34,067,000 [15],[16],[34]  
Fair Value $ 34,545,000 [12],[13],[43]     $ 33,033,000 [15],[16],[34]  
Percentage of Net Assets 0.60% [12],[13],[43] 0.60% [12],[13],[43] 0.60% [12],[13],[43] 0.60% [15],[16],[34]  
Investment, Identifier [Axis]: Recipe Acquisition Corp. (dba Roland Corporation), Second lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 9.00% [29] 9.00% [29] 9.00% [29] 9.00% [15],[40]  
Par / Units $ 32,000,000 [29]     $ 32,000,000 [15],[40]  
Amortized Cost 31,991,000 [29]     31,960,000 [15],[40]  
Fair Value $ 31,920,000 [29]     $ 31,520,000 [15],[40]  
Percentage of Net Assets 0.50% [29] 0.50% [29] 0.50% [29] 0.50% [15],[40]  
Investment, Identifier [Axis]: Relativity ODA LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[13] 6.50% [12],[13] 6.50% [12],[13] 7.50% [15],[16],[34]  
Interest, PIK       7.50% [15],[16],[34]  
Par / Units $ 85,834,000 [12],[13]     $ 83,982,000 [15],[16],[34]  
Amortized Cost 85,100,000 [12],[13]     83,128,000 [15],[16],[34]  
Fair Value $ 85,834,000 [12],[13]     $ 83,772,000 [15],[16],[34]  
Percentage of Net Assets 1.40% [12],[13] 1.40% [12],[13] 1.40% [12],[13] 1.40% [15],[16],[34]  
Investment, Identifier [Axis]: Relativity ODA LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[24],[33] 6.50% [12],[24],[33] 6.50% [12],[24],[33] 6.50% [15],[16],[19],[41]  
Par / Units $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Amortized Cost (66,000) [12],[24],[33]     (80,000) [15],[16],[19],[41]  
Fair Value $ 0 [12],[24],[33]     $ (18,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Rhea Acquisition Holdings, LP, Series A-2 Units          
Schedule of Investments [Line Items]          
Units (in shares) | shares 119,048 [12],[25],[31] 119,048 [12],[25],[31] 119,048 [12],[25],[31] 119,048 [16],[27],[28]  
Amortized Cost $ 119,000 [12],[25],[31]     $ 119,000 [16],[27],[28]  
Fair Value $ 161,000 [12],[25],[31]     $ 119,000 [16],[27],[28]  
Percentage of Net Assets 0.00% [12],[25],[31] 0.00% [12],[25],[31] 0.00% [12],[25],[31] 0.00% [16],[27],[28]  
Investment, Identifier [Axis]: Rhea Parent, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.50% [12],[29] 5.50% [12],[29] 5.50% [12],[29] 5.75% [15],[16],[40]  
Par / Units $ 764,000 [12],[29]     $ 770,000 [15],[16],[40]  
Amortized Cost 752,000 [12],[29]     756,000 [15],[16],[40]  
Fair Value $ 760,000 [12],[29]     $ 753,000 [15],[16],[40]  
Percentage of Net Assets 0.00% [12],[29] 0.00% [12],[29] 0.00% [12],[29] 0.00% [15],[16],[40]  
Investment, Identifier [Axis]: SWK BUYER, Inc. (dba Stonewall Kitchen), First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest       5.25% [15],[16],[19],[38],[41]  
Par / Units       $ 0 [15],[16],[19],[38],[41]  
Amortized Cost       (2,000) [15],[16],[19],[38],[41]  
Fair Value       $ (4,000) [15],[16],[19],[38],[41]  
Percentage of Net Assets       0.00% [15],[16],[19],[38],[41]  
Investment, Identifier [Axis]: SWK BUYER, Inc. (dba Stonewall Kitchen), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.25% [12],[29] 5.25% [12],[29] 5.25% [12],[29] 5.25% [15],[16],[39]  
Par / Units $ 745,000 [12],[29]     $ 751,000 [15],[16],[39]  
Amortized Cost 733,000 [12],[29]     737,000 [15],[16],[39]  
Fair Value $ 715,000 [12],[29]     $ 728,000 [15],[16],[39]  
Percentage of Net Assets 0.00% [12],[29] 0.00% [12],[29] 0.00% [12],[29] 0.00% [15],[16],[39]  
Investment, Identifier [Axis]: SWK BUYER, Inc. (dba Stonewall Kitchen), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.25% [12],[24],[29] 5.25% [12],[24],[29] 5.25% [12],[24],[29] 5.25% [15],[16],[19],[35]  
Par / Units $ 46,000 [12],[24],[29]     $ 25,000 [15],[16],[19],[35]  
Amortized Cost 45,000 [12],[24],[29]     23,000 [15],[16],[19],[35]  
Fair Value $ 43,000 [12],[24],[29]     $ 22,000 [15],[16],[19],[35]  
Percentage of Net Assets 0.00% [12],[24],[29] 0.00% [12],[24],[29] 0.00% [12],[24],[29] 0.00% [15],[16],[19],[35]  
Investment, Identifier [Axis]: Safety Products/JHC Acquisition Corp. (dba Justrite Safety Group), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 4.50% [12],[13] 4.50% [12],[13] 4.50% [12],[13] 4.50% [15],[16],[34]  
Par / Units $ 13,673,000 [12],[13]     $ 13,781,000 [15],[16],[34]  
Amortized Cost 13,614,000 [12],[13]     13,706,000 [15],[16],[34]  
Fair Value $ 13,366,000 [12],[13]     $ 13,470,000 [15],[16],[34]  
Percentage of Net Assets 0.20% [12],[13] 0.20% [12],[13] 0.20% [12],[13] 0.20% [15],[16],[34]  
Investment, Identifier [Axis]: SailPoint Technologies Holdings, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.25% [12],[13] 6.25% [12],[13] 6.25% [12],[13] 6.25% [15],[16],[35]  
Par / Units $ 45,640,000 [12],[13]     $ 45,640,000 [15],[16],[35]  
Amortized Cost 44,788,000 [12],[13]     44,713,000 [15],[16],[35]  
Fair Value $ 45,298,000 [12],[13]     $ 44,727,000 [15],[16],[35]  
Percentage of Net Assets 0.80% [12],[13] 0.80% [12],[13] 0.80% [12],[13] 0.80% [15],[16],[35]  
Investment, Identifier [Axis]: SailPoint Technologies Holdings, Inc., First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.25% [12],[24],[33] 6.25% [12],[24],[33] 6.25% [12],[24],[33] 6.25% [15],[16],[19],[41]  
Par / Units $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Amortized Cost (71,000) [12],[24],[33]     (82,000) [15],[16],[19],[41]  
Fair Value $ (33,000) [12],[24],[33]     $ (87,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Sara Lee Frozen Bakery, LLC (fka KSLB Holdings, LLC), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 4.50% [12],[29] 4.50% [12],[29] 4.50% [12],[29] 4.50% [15],[16],[17]  
Par / Units $ 43,182,000 [12],[29]     $ 43,522,000 [15],[16],[17]  
Amortized Cost 42,925,000 [12],[29]     43,166,000 [15],[16],[17]  
Fair Value $ 41,023,000 [12],[29]     $ 40,693,000 [15],[16],[17]  
Percentage of Net Assets 0.70% [12],[29] 0.70% [12],[29] 0.70% [12],[29] 0.70% [15],[16],[17]  
Investment, Identifier [Axis]: Sara Lee Frozen Bakery, LLC (fka KSLB Holdings, LLC), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 4.50% [12],[24],[29] 4.50% [12],[24],[29] 4.50% [12],[24],[29] 4.50% [15],[16],[17],[19]  
Par / Units $ 7,200,000 [12],[24],[29]     $ 7,020,000 [15],[16],[17],[19]  
Amortized Cost 7,200,000 [12],[24],[29]     6,997,000 [15],[16],[17],[19]  
Fair Value $ 6,750,000 [12],[24],[29]     $ 6,435,000 [15],[16],[17],[19]  
Percentage of Net Assets 0.10% [12],[24],[29] 0.10% [12],[24],[29] 0.10% [12],[24],[29] 0.10% [15],[16],[17],[19]  
Investment, Identifier [Axis]: Securonix, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[29] 6.50% [12],[29] 6.50% [12],[29] 6.50% [15],[16],[40]  
Par / Units $ 847,000 [12],[29]     $ 847,000 [15],[16],[40]  
Amortized Cost 841,000 [12],[29]     840,000 [15],[16],[40]  
Fair Value $ 803,000 [12],[29]     $ 839,000 [15],[16],[40]  
Percentage of Net Assets 0.00% [12],[29] 0.00% [12],[29] 0.00% [12],[29] 0.00% [15],[16],[40]  
Investment, Identifier [Axis]: Securonix, Inc., First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[24],[33] 6.50% [12],[24],[33] 6.50% [12],[24],[33] 6.50% [15],[16],[19],[41]  
Par / Units $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Amortized Cost (1,000) [12],[24],[33]     (1,000) [15],[16],[19],[41]  
Fair Value $ (8,000) [12],[24],[33]     $ (2,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Sensor Technology Topco, Inc. (dba Humanetics), First lien senior secured EUR term loan          
Schedule of Investments [Line Items]          
Interest 7.25% [12],[64] 7.25% [12],[64] 7.25% [12],[64]    
Interest, PIK 2.25% [12],[64] 2.25% [12],[64] 2.25% [12],[64]    
Par / Units | €   € 11,534 [12],[64]      
Amortized Cost $ 12,447,000 [12],[64]        
Fair Value $ 12,182,000 [12],[64]        
Percentage of Net Assets 0.20% [12],[64] 0.20% [12],[64] 0.20% [12],[64]    
Investment, Identifier [Axis]: Sensor Technology Topco, Inc. (dba Humanetics), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.00% [12],[29] 7.00% [12],[29] 7.00% [12],[29]    
Interest, PIK 2.00% [12],[29] 2.00% [12],[29] 2.00% [12],[29]    
Par / Units $ 64,033,000 [12],[29]        
Amortized Cost 63,608,000 [12],[29]        
Fair Value $ 63,873,000 [12],[29]        
Percentage of Net Assets 1.10% [12],[29] 1.10% [12],[29] 1.10% [12],[29]    
Investment, Identifier [Axis]: Sensor Technology Topco, Inc. (dba Humanetics), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[13],[24] 6.50% [12],[13],[24] 6.50% [12],[13],[24]    
Par / Units $ 2,288,000 [12],[13],[24]        
Amortized Cost 2,251,000 [12],[13],[24]        
Fair Value $ 2,274,000 [12],[13],[24]        
Percentage of Net Assets 0.00% [12],[13],[24] 0.00% [12],[13],[24] 0.00% [12],[13],[24]    
Investment, Identifier [Axis]: Shearer's Foods, LLC, Second lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.75% [12],[13] 7.75% [12],[13] 7.75% [12],[13] 7.75% [15],[16],[34]  
Par / Units $ 86,400,000 [12],[13]     $ 115,200,000 [15],[16],[34]  
Amortized Cost 85,807,000 [12],[13]     114,325,000 [15],[16],[34]  
Fair Value $ 86,400,000 [12],[13]     $ 114,624,000 [15],[16],[34]  
Percentage of Net Assets 1.40% [12],[13] 1.40% [12],[13] 1.40% [12],[13] 1.90% [15],[16],[34]  
Investment, Identifier [Axis]: SimpliSafe Holding Corporation, First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest 6.25% [12],[13],[24],[32] 6.25% [12],[13],[24],[32] 6.25% [12],[13],[24],[32] 6.25% [15],[16],[19],[38],[41]  
Par / Units $ 205,000 [12],[13],[24],[32]     $ 0 [15],[16],[19],[38],[41]  
Amortized Cost 197,000 [12],[13],[24],[32]     (7,000) [15],[16],[19],[38],[41]  
Fair Value $ 204,000 [12],[13],[24],[32]     $ (2,000) [15],[16],[19],[38],[41]  
Percentage of Net Assets 0.00% [12],[13],[24],[32] 0.00% [12],[13],[24],[32] 0.00% [12],[13],[24],[32] 0.00% [15],[16],[19],[38],[41]  
Investment, Identifier [Axis]: SimpliSafe Holding Corporation, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.25% [12],[13] 6.25% [12],[13] 6.25% [12],[13] 6.25% [15],[16],[35]  
Par / Units $ 6,096,000 [12],[13]     $ 6,142,000 [15],[16],[35]  
Amortized Cost 5,996,000 [12],[13]     6,030,000 [15],[16],[35]  
Fair Value $ 6,050,000 [12],[13]     $ 6,065,000 [15],[16],[35]  
Percentage of Net Assets 0.10% [12],[13] 0.10% [12],[13] 0.10% [12],[13] 0.10% [15],[16],[35]  
Investment, Identifier [Axis]: Smarsh Inc., First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[24],[32],[37] 6.50% [12],[24],[32],[37] 6.50% [12],[24],[32],[37] 6.50% [15],[16],[19],[38],[39]  
Par / Units $ 95,000 [12],[24],[32],[37]     $ 95,000 [15],[16],[19],[38],[39]  
Amortized Cost 94,000 [12],[24],[32],[37]     93,000 [15],[16],[19],[38],[39]  
Fair Value $ 95,000 [12],[24],[32],[37]     $ 94,000 [15],[16],[19],[38],[39]  
Percentage of Net Assets 0.00% [12],[24],[32],[37] 0.00% [12],[24],[32],[37] 0.00% [12],[24],[32],[37] 0.00% [15],[16],[19],[38],[39]  
Investment, Identifier [Axis]: Smarsh Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[37] 6.50% [12],[37] 6.50% [12],[37] 6.50% [15],[16],[39]  
Par / Units $ 762,000 [12],[37]     $ 762,000 [15],[16],[39]  
Amortized Cost 756,000 [12],[37]     755,000 [15],[16],[39]  
Fair Value $ 760,000 [12],[37]     $ 754,000 [15],[16],[39]  
Percentage of Net Assets 0.00% [12],[37] 0.00% [12],[37] 0.00% [12],[37] 0.00% [15],[16],[39]  
Investment, Identifier [Axis]: Smarsh Inc., First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[24] 6.50% [12],[24] 6.50% [12],[24] 6.50% [15],[16],[19]  
Par / Units $ 0 [12],[24]     $ 0 [15],[16],[19]  
Amortized Cost 0 [12],[24]     0 [15],[16],[19]  
Fair Value $ 0 [12],[24]     $ 0 [15],[16],[19]  
Percentage of Net Assets 0.00% [12],[24] 0.00% [12],[24] 0.00% [12],[24] 0.00% [15],[16],[19]  
Investment, Identifier [Axis]: Sonny's Enterprises LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       6.75% [15],[16],[40]  
Par / Units       $ 229,908,000 [15],[16],[40]  
Amortized Cost       226,995,000 [15],[16],[40]  
Fair Value       $ 229,908,000 [15],[16],[40]  
Percentage of Net Assets       3.90% [15],[16],[40]  
Investment, Identifier [Axis]: Sonny's Enterprises LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest       6.75% [15],[16],[19],[41]  
Par / Units       $ 0 [15],[16],[19],[41]  
Amortized Cost       (186,000) [15],[16],[19],[41]  
Fair Value       $ 0 [15],[16],[19],[41]  
Percentage of Net Assets       0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Sonny's Enterprises, LLC, First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest 6.75% [12],[24],[32],[33] 6.75% [12],[24],[32],[33] 6.75% [12],[24],[32],[33]    
Par / Units $ 0 [12],[24],[32],[33]        
Amortized Cost (14,000) [12],[24],[32],[33]        
Fair Value $ (8,000) [12],[24],[32],[33]        
Percentage of Net Assets 0.00% [12],[24],[32],[33] 0.00% [12],[24],[32],[33] 0.00% [12],[24],[32],[33]    
Investment, Identifier [Axis]: Sonny's Enterprises, LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.75% [12],[29] 6.75% [12],[29] 6.75% [12],[29]    
Par / Units $ 228,158,000 [12],[29]        
Amortized Cost 225,824,000 [12],[29]        
Fair Value $ 226,446,000 [12],[29]        
Percentage of Net Assets 3.80% [12],[29] 3.80% [12],[29] 3.80% [12],[29]    
Investment, Identifier [Axis]: Sonny's Enterprises, LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.75% [12],[24],[33] 6.75% [12],[24],[33] 6.75% [12],[24],[33]    
Par / Units $ 0 [12],[24],[33]        
Amortized Cost (146,000) [12],[24],[33]        
Fair Value $ (135,000) [12],[24],[33]        
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33]    
Investment, Identifier [Axis]: Space Exploration Technologies Corp., Class A Common Stock          
Schedule of Investments [Line Items]          
Units (in shares) | shares 46,605 [12],[25],[31] 46,605 [12],[25],[31] 46,605 [12],[25],[31] 46,605 [16],[27],[28]  
Amortized Cost $ 2,557,000 [12],[25],[31]     $ 2,557,000 [16],[27],[28]  
Fair Value $ 3,775,000 [12],[25],[31]     $ 3,509,000 [16],[27],[28]  
Percentage of Net Assets 0.10% [12],[25],[31] 0.10% [12],[25],[31] 0.10% [12],[25],[31] 0.10% [16],[27],[28]  
Investment, Identifier [Axis]: Space Exploration Technologies Corp., Class C Common Stock          
Schedule of Investments [Line Items]          
Units (in shares) | shares 9,360 [12],[25],[31] 9,360 [12],[25],[31] 9,360 [12],[25],[31] 9,360 [16],[27],[28]  
Amortized Cost $ 446,000 [12],[25],[31]     $ 446,000 [16],[27],[28]  
Fair Value $ 758,000 [12],[25],[31]     $ 705,000 [16],[27],[28]  
Percentage of Net Assets 0.00% [12],[25],[31] 0.00% [12],[25],[31] 0.00% [12],[25],[31] 0.00% [16],[27],[28]  
Investment, Identifier [Axis]: Spotless Brands, LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[29] 6.50% [12],[29] 6.50% [12],[29] 6.50% [15],[16],[40]  
Par / Units $ 48,242,000 [12],[29]     $ 48,592,000 [15],[16],[40]  
Amortized Cost 47,427,000 [12],[29]     47,675,000 [15],[16],[40]  
Fair Value $ 47,759,000 [12],[29]     $ 47,621,000 [15],[16],[40]  
Percentage of Net Assets 0.80% [12],[29] 0.80% [12],[29] 0.80% [12],[29] 0.80% [15],[16],[40]  
Investment, Identifier [Axis]: Spotless Brands, LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[24],[33] 6.50% [12],[24],[33] 6.50% [12],[24],[33] 6.50% [15],[16],[19],[41]  
Par / Units $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Amortized Cost (21,000) [12],[24],[33]     (24,000) [15],[16],[19],[41]  
Fair Value $ (13,000) [12],[24],[33]     $ (26,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Summit Acquisition Inc. (dba K2 Insurance Services), First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest 6.75% [12],[24],[32],[33] 6.75% [12],[24],[32],[33] 6.75% [12],[24],[32],[33]    
Par / Units $ 0 [12],[24],[32],[33]        
Amortized Cost (3,000) [12],[24],[32],[33]        
Fair Value $ (2,000) [12],[24],[32],[33]        
Percentage of Net Assets 0.00% [12],[24],[32],[33] 0.00% [12],[24],[32],[33] 0.00% [12],[24],[32],[33]    
Investment, Identifier [Axis]: Summit Acquisition Inc. (dba K2 Insurance Services), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.75% [12],[29] 6.75% [12],[29] 6.75% [12],[29]    
Par / Units $ 733,000 [12],[29]        
Amortized Cost 712,000 [12],[29]        
Fair Value $ 715,000 [12],[29]        
Percentage of Net Assets 0.00% [12],[29] 0.00% [12],[29] 0.00% [12],[29]    
Investment, Identifier [Axis]: Summit Acquisition Inc. (dba K2 Insurance Services), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.75% [12],[24],[33] 6.75% [12],[24],[33] 6.75% [12],[24],[33]    
Par / Units $ 0 [12],[24],[33]        
Amortized Cost (2,000) [12],[24],[33]        
Fair Value $ (2,000) [12],[24],[33]        
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33]    
Investment, Identifier [Axis]: Sunshine Software Holdings, Inc. (dba Cornerstone OnDemand), Series A Preferred Stock          
Schedule of Investments [Line Items]          
Interest       10.50% [16],[28],[42]  
Interest, PIK 10.50% [12],[23],[25] 10.50% [12],[23],[25] 10.50% [12],[23],[25] 10.50% [16],[28],[42]  
Units (in shares) | shares 45,863,000 [12],[23],[25] 45,863,000 [12],[23],[25] 45,863,000 [12],[23],[25] 41,402,000 [16],[28],[42]  
Amortized Cost $ 45,067,000 [12],[23],[25]     $ 40,538,000 [16],[28],[42]  
Fair Value $ 39,328,000 [12],[23],[25]     $ 37,469,000 [16],[28],[42]  
Percentage of Net Assets 0.70% [12],[23],[25] 0.70% [12],[23],[25] 0.70% [12],[23],[25] 0.60% [16],[28],[42]  
Investment, Identifier [Axis]: Swipe Acquisition Corporation (dba PLI)          
Schedule of Investments [Line Items]          
Fair Value $ 160,414,000     $ 161,680,000 108,061,000
Investment, Identifier [Axis]: Swipe Acquisition Corporation (dba PLI), First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest 8.00% [12],[22],[24],[29],[32] 8.00% [12],[22],[24],[29],[32] 8.00% [12],[22],[24],[29],[32] 8.00% [15],[16],[19],[26],[38],[40]  
Par / Units $ 14,391,000 [12],[22],[24],[29],[32]     $ 14,698,000 [15],[16],[19],[26],[38],[40]  
Amortized Cost 14,391,000 [12],[22],[24],[29],[32]     14,698,000 [15],[16],[19],[26],[38],[40]  
Fair Value $ 14,391,000 [12],[22],[24],[29],[32]     $ 14,645,000 [15],[16],[19],[26],[38],[40]  
Percentage of Net Assets 0.20% [12],[22],[24],[29],[32] 0.20% [12],[22],[24],[29],[32] 0.20% [12],[22],[24],[29],[32] 0.20% [15],[16],[19],[26],[38],[40]  
Investment, Identifier [Axis]: Swipe Acquisition Corporation (dba PLI), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 8.00% [12],[22],[37] 8.00% [12],[22],[37] 8.00% [12],[22],[37] 8.00% [15],[16],[26],[35]  
Par / Units $ 48,332,000 [12],[22],[37]     $ 49,360,000 [15],[16],[26],[35]  
Amortized Cost 48,106,000 [12],[22],[37]     48,911,000 [15],[16],[26],[35]  
Fair Value $ 48,332,000 [12],[22],[37]     $ 49,236,000 [15],[16],[26],[35]  
Percentage of Net Assets 0.80% [12],[22],[37] 0.80% [12],[22],[37] 0.80% [12],[22],[37] 0.80% [15],[16],[26],[35]  
Investment, Identifier [Axis]: Swipe Acquisition Corporation (dba PLI), Letter of Credit          
Schedule of Investments [Line Items]          
Interest 8.00% [12],[22],[24] 8.00% [12],[22],[24] 8.00% [12],[22],[24] 8.00% [15],[16],[19],[26]  
Par / Units $ 0 [12],[22],[24]     $ 0 [15],[16],[19],[26]  
Amortized Cost 1,000 [12],[22],[24]     2,000 [15],[16],[19],[26]  
Fair Value $ 0 [12],[22],[24]     $ 0 [15],[16],[19],[26]  
Percentage of Net Assets 0.00% [12],[22],[24] 0.00% [12],[22],[24] 0.00% [12],[22],[24] 0.00% [15],[16],[19],[26]  
Investment, Identifier [Axis]: THG Acquisition, LLC (dba Hilb), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[13] 5.75% [12],[13] 5.75% [12],[13] 5.75% [15],[16],[34]  
Par / Units $ 74,167,000 [12],[13]     $ 74,744,000 [15],[16],[34]  
Amortized Cost 73,218,000 [12],[13]     73,593,000 [15],[16],[34]  
Fair Value $ 73,611,000 [12],[13]     $ 73,810,000 [15],[16],[34]  
Percentage of Net Assets 1.20% [12],[13] 1.20% [12],[13] 1.20% [12],[13] 1.30% [15],[16],[34]  
Investment, Identifier [Axis]: THG Acquisition, LLC (dba Hilb), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[13],[24] 5.75% [12],[13],[24] 5.75% [12],[13],[24] 5.75% [15],[16],[19],[41]  
Par / Units $ 1,913,000 [12],[13],[24]     $ 0 [15],[16],[19],[41]  
Amortized Cost 1,829,000 [12],[13],[24]     (112,000) [15],[16],[19],[41]  
Fair Value $ 1,848,000 [12],[13],[24]     $ (108,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[13],[24] 0.00% [12],[13],[24] 0.00% [12],[13],[24] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Tahoe Finco, LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.00% [12],[13],[14] 6.00% [12],[13],[14] 6.00% [12],[13],[14] 6.00% [15],[16],[18],[34]  
Par / Units $ 123,256,000 [12],[13],[14]     $ 123,256,000 [15],[16],[18],[34]  
Amortized Cost 122,306,000 [12],[13],[14]     122,199,000 [15],[16],[18],[34]  
Fair Value $ 122,331,000 [12],[13],[14]     $ 121,099,000 [15],[16],[18],[34]  
Percentage of Net Assets 2.00% [12],[13],[14] 2.00% [12],[13],[14] 2.00% [12],[13],[14] 2.10% [15],[16],[18],[34]  
Investment, Identifier [Axis]: Tahoe Finco, LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.00% [12],[14],[24],[33] 6.00% [12],[14],[24],[33] 6.00% [12],[14],[24],[33] 6.00% [15],[16],[18],[19],[41]  
Par / Units $ 0 [12],[14],[24],[33]     $ 0 [15],[16],[18],[19],[41]  
Amortized Cost (62,000) [12],[14],[24],[33]     (73,000) [15],[16],[18],[19],[41]  
Fair Value $ (69,000) [12],[14],[24],[33]     $ (162,000) [15],[16],[18],[19],[41]  
Percentage of Net Assets 0.00% [12],[14],[24],[33] 0.00% [12],[14],[24],[33] 0.00% [12],[14],[24],[33] 0.00% [15],[16],[18],[19],[41]  
Investment, Identifier [Axis]: Tall Tree Foods, Inc., First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest, PIK 9.25% [24],[29],[57] 9.25% [24],[29],[57] 9.25% [24],[29],[57]    
Par / Units $ 4,786,000 [24],[29],[57]        
Amortized Cost 3,017,000 [24],[29],[57]        
Fair Value $ 4,092,000 [24],[29],[57]        
Percentage of Net Assets 0.10% [24],[29],[57] 0.10% [24],[29],[57] 0.10% [24],[29],[57]    
Investment, Identifier [Axis]: Tall Tree Foods, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       7.25% [15],[34]  
Interest, PIK 9.25% [29],[57] 9.25% [29],[57] 9.25% [29],[57]    
Par / Units $ 65,400,000 [29],[57]     $ 39,084,000 [15],[34]  
Amortized Cost 59,541,000 [29],[57]     39,084,000 [15],[34]  
Fair Value $ 55,917,000 [29],[57]     $ 39,084,000 [15],[34]  
Percentage of Net Assets 0.90% [29],[57] 0.90% [29],[57] 0.90% [29],[57] 0.70% [15],[34]  
Investment, Identifier [Axis]: Tamarack Intermediate, L.L.C. (dba Verisk 3E), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[29] 5.75% [12],[29] 5.75% [12],[29] 5.75% [15],[16],[39]  
Par / Units $ 849,000 [12],[29]     $ 855,000 [15],[16],[39]  
Amortized Cost 835,000 [12],[29]     840,000 [15],[16],[39]  
Fair Value $ 838,000 [12],[29]     $ 838,000 [15],[16],[39]  
Percentage of Net Assets 0.00% [12],[29] 0.00% [12],[29] 0.00% [12],[29] 0.00% [15],[16],[39]  
Investment, Identifier [Axis]: Tamarack Intermediate, L.L.C. (dba Verisk 3E), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[24],[29] 5.75% [12],[24],[29] 5.75% [12],[24],[29] 5.75% [15],[16],[19],[35]  
Par / Units $ 23,000 [12],[24],[29]     $ 25,000 [15],[16],[19],[35]  
Amortized Cost 21,000 [12],[24],[29]     23,000 [15],[16],[19],[35]  
Fair Value $ 21,000 [12],[24],[29]     $ 22,000 [15],[16],[19],[35]  
Percentage of Net Assets 0.00% [12],[24],[29] 0.00% [12],[24],[29] 0.00% [12],[24],[29] 0.00% [15],[16],[19],[35]  
Investment, Identifier [Axis]: Tempo Buyer Corp. (dba Global Claims Services), First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest 5.50% [12],[24],[33] 5.50% [12],[24],[33] 5.50% [12],[24],[33] 5.50% [15],[16],[19],[38],[41]  
Par / Units $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[38],[41]  
Amortized Cost (2,000) [12],[24],[33]     (2,000) [15],[16],[19],[38],[41]  
Fair Value $ (1,000) [12],[24],[33]     $ (5,000) [15],[16],[19],[38],[41]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[38],[41]  
Investment, Identifier [Axis]: Tempo Buyer Corp. (dba Global Claims Services), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.50% [12],[29] 5.50% [12],[29] 5.50% [12],[29] 5.50% [15],[16],[17]  
Par / Units $ 1,070,000 [12],[29]     $ 1,078,000 [15],[16],[17]  
Amortized Cost 1,053,000 [12],[29]     1,060,000 [15],[16],[17]  
Fair Value $ 1,056,000 [12],[29]     $ 1,051,000 [15],[16],[17]  
Percentage of Net Assets 0.00% [12],[29] 0.00% [12],[29] 0.00% [12],[29] 0.00% [15],[16],[17]  
Investment, Identifier [Axis]: Tempo Buyer Corp. (dba Global Claims Services), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.00% [12],[24],[36] 5.00% [12],[24],[36] 5.00% [12],[24],[36] 4.50% [15],[16],[19],[68]  
Par / Units $ 58,000 [12],[24],[36]     $ 12,000 [15],[16],[19],[68]  
Amortized Cost 56,000 [12],[24],[36]     10,000 [15],[16],[19],[68]  
Fair Value $ 57,000 [12],[24],[36]     $ 8,000 [15],[16],[19],[68]  
Percentage of Net Assets 0.00% [12],[24],[36] 0.00% [12],[24],[36] 0.00% [12],[24],[36] 0.00% [15],[16],[19],[68]  
Investment, Identifier [Axis]: The Better Being Co., LLC (fka Nutraceutical International Corporation), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.50% [12],[13] 7.50% [12],[13] 7.50% [12],[13]    
Interest, PIK 4.00% [12],[13] 4.00% [12],[13] 4.00% [12],[13]    
Par / Units $ 191,549,000 [12],[13]        
Amortized Cost 190,002,000 [12],[13]        
Fair Value $ 167,604,000 [12],[13]        
Percentage of Net Assets 2.80% [12],[13] 2.80% [12],[13] 2.80% [12],[13]    
Investment, Identifier [Axis]: The Better Being Co., LLC (fka Nutraceutical International Corporation), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 7.50% [12],[13] 7.50% [12],[13] 7.50% [12],[13]    
Interest, PIK 4.00% [12],[13] 4.00% [12],[13] 4.00% [12],[13]    
Par / Units $ 14,037,000 [12],[13]        
Amortized Cost 13,956,000 [12],[13]        
Fair Value $ 12,283,000 [12],[13]        
Percentage of Net Assets 0.20% [12],[13] 0.20% [12],[13] 0.20% [12],[13]    
Investment, Identifier [Axis]: The NPD Group, L.P., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       6.25% [15],[16],[35]  
Interest, PIK       2.75% [15],[16],[35]  
Par / Units       $ 23,717,000 [15],[16],[35]  
Amortized Cost       23,252,000 [15],[16],[35]  
Fair Value       $ 23,243,000 [15],[16],[35]  
Percentage of Net Assets       0.40% [15],[16],[35]  
Investment, Identifier [Axis]: The NPD Group, L.P., First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest       5.75% [15],[16],[19],[35]  
Par / Units       $ 181,000 [15],[16],[19],[35]  
Amortized Cost       153,000 [15],[16],[19],[35]  
Fair Value       $ 151,000 [15],[16],[19],[35]  
Percentage of Net Assets       0.00% [15],[16],[19],[35]  
Investment, Identifier [Axis]: The Shade Store, LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.00% [12],[29] 6.00% [12],[29] 6.00% [12],[29] 6.00% [15],[16],[40]  
Par / Units $ 8,932,000 [12],[29]     $ 9,000,000 [15],[16],[40]  
Amortized Cost 8,851,000 [12],[29]     8,907,000 [15],[16],[40]  
Fair Value $ 8,575,000 [12],[29]     $ 8,753,000 [15],[16],[40]  
Percentage of Net Assets 0.10% [12],[29] 0.10% [12],[29] 0.10% [12],[29] 0.10% [15],[16],[40]  
Investment, Identifier [Axis]: The Shade Store, LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.00% [12],[24],[29] 6.00% [12],[24],[29] 6.00% [12],[24],[29] 6.00% [15],[16],[19],[40]  
Par / Units $ 400,000 [12],[24],[29]     $ 255,000 [15],[16],[19],[40]  
Amortized Cost 393,000 [12],[24],[29]     246,000 [15],[16],[19],[40]  
Fair Value $ 364,000 [12],[24],[29]     $ 230,000 [15],[16],[19],[40]  
Percentage of Net Assets 0.00% [12],[24],[29] 0.00% [12],[24],[29] 0.00% [12],[24],[29] 0.00% [15],[16],[19],[40]  
Investment, Identifier [Axis]: Thunder Purchaser, Inc. (dba Vector Solutions), First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest       5.75% [15],[16],[17],[19],[38]  
Par / Units       $ 3,928,000 [15],[16],[17],[19],[38]  
Amortized Cost       3,891,000 [15],[16],[17],[19],[38]  
Fair Value       $ 3,779,000 [15],[16],[17],[19],[38]  
Percentage of Net Assets       0.10% [15],[16],[17],[19],[38]  
Investment, Identifier [Axis]: Thunder Purchaser, Inc. (dba Vector Solutions), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[29] 5.75% [12],[29] 5.75% [12],[29] 5.75% [15],[16],[17]  
Par / Units $ 68,819,000 [12],[29]     $ 64,151,000 [15],[16],[17]  
Amortized Cost 68,321,000 [12],[29]     63,623,000 [15],[16],[17]  
Fair Value $ 68,475,000 [12],[29]     $ 62,868,000 [15],[16],[17]  
Percentage of Net Assets 1.10% [12],[29] 1.10% [12],[29] 1.10% [12],[29] 1.10% [15],[16],[17]  
Investment, Identifier [Axis]: Thunder Purchaser, Inc. (dba Vector Solutions), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[24],[29] 5.75% [12],[24],[29] 5.75% [12],[24],[29] 5.75% [15],[16],[17],[19]  
Par / Units $ 3,235,000 [12],[24],[29]     $ 1,316,000 [15],[16],[17],[19]  
Amortized Cost 3,211,000 [12],[24],[29]     1,287,000 [15],[16],[17],[19]  
Fair Value $ 3,216,000 [12],[24],[29]     $ 1,239,000 [15],[16],[17],[19]  
Percentage of Net Assets 0.10% [12],[24],[29] 0.10% [12],[24],[29] 0.10% [12],[24],[29] 0.00% [15],[16],[17],[19]  
Investment, Identifier [Axis]: Thunder Topco L.P. (dba Vector Solutions), Common Units          
Schedule of Investments [Line Items]          
Units (in shares) | shares 3,829,614 [12],[25],[31] 3,829,614 [12],[25],[31] 3,829,614 [12],[25],[31] 3,829,614 [16],[27],[28]  
Amortized Cost $ 3,830,000 [12],[25],[31]     $ 3,830,000 [16],[27],[28]  
Fair Value $ 4,250,000 [12],[25],[31]     $ 3,783,000 [16],[27],[28]  
Percentage of Net Assets 0.10% [12],[25],[31] 0.10% [12],[25],[31] 0.10% [12],[25],[31] 0.10% [16],[27],[28]  
Investment, Identifier [Axis]: Tivity Health, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.00% [12],[29] 6.00% [12],[29] 6.00% [12],[29] 6.00% [15],[16],[40]  
Par / Units $ 990,000 [12],[29]     $ 998,000 [15],[16],[40]  
Amortized Cost 969,000 [12],[29]     974,000 [15],[16],[40]  
Fair Value $ 983,000 [12],[29]     $ 983,000 [15],[16],[40]  
Percentage of Net Assets 0.00% [12],[29] 0.00% [12],[29] 0.00% [12],[29] 0.00% [15],[16],[40]  
Investment, Identifier [Axis]: Troon Golf, L.L.C., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[29] 5.75% [12],[29] 5.75% [12],[29] 5.75% [15],[16],[30]  
Par / Units $ 238,311,000 [12],[29]     $ 280,236,000 [15],[16],[30]  
Amortized Cost 237,481,000 [12],[29]     279,111,000 [15],[16],[30]  
Fair Value $ 237,120,000 [12],[29]     $ 280,236,000 [15],[16],[30]  
Percentage of Net Assets 4.00% [12],[29] 4.00% [12],[29] 4.00% [12],[29] 4.80% [15],[16],[30]  
Investment, Identifier [Axis]: Troon Golf, L.L.C., First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[24],[33] 5.75% [12],[24],[33] 5.75% [12],[24],[33] 5.75% [15],[16],[19],[41]  
Par / Units $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Amortized Cost (62,000) [12],[24],[33]     (78,000) [15],[16],[19],[41]  
Fair Value $ (108,000) [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: USRP Holdings, Inc. (dba U.S. Retirement and Benefits Partners), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[29] 5.75% [12],[29] 5.75% [12],[29] 5.50% [15],[16],[17]  
Par / Units $ 38,403,000 [12],[29]     $ 38,696,000 [15],[16],[17]  
Amortized Cost 37,871,000 [12],[29]     38,075,000 [15],[16],[17]  
Fair Value $ 38,115,000 [12],[29]     $ 37,922,000 [15],[16],[17]  
Percentage of Net Assets 0.60% [12],[29] 0.60% [12],[29] 0.60% [12],[29] 0.60% [15],[16],[17]  
Investment, Identifier [Axis]: USRP Holdings, Inc. (dba U.S. Retirement and Benefits Partners), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[24],[33] 5.75% [12],[24],[33] 5.75% [12],[24],[33] 5.50% [15],[16],[19],[41]  
Par / Units $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Amortized Cost (54,000) [12],[24],[33]     (65,000) [15],[16],[19],[41]  
Fair Value $ (32,000) [12],[24],[33]     $ (85,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Ultimate Baked Goods Midco, LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.25% [12],[13] 6.25% [12],[13] 6.25% [12],[13] 6.50% [15],[16],[34]  
Par / Units $ 80,618,000 [12],[13]     $ 81,234,000 [15],[16],[34]  
Amortized Cost 79,244,000 [12],[13]     79,589,000 [15],[16],[34]  
Fair Value $ 80,618,000 [12],[13]     $ 78,797,000 [15],[16],[34]  
Percentage of Net Assets 1.30% [12],[13] 1.30% [12],[13] 1.30% [12],[13] 1.30% [15],[16],[34]  
Investment, Identifier [Axis]: Ultimate Baked Goods Midco, LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.25% [12],[24],[33] 6.25% [12],[24],[33] 6.25% [12],[24],[33] 6.50% [15],[16],[19],[34]  
Par / Units $ 0 [12],[24],[33]     $ 2,611,000 [15],[16],[19],[34]  
Amortized Cost (160,000) [12],[24],[33]     2,420,000 [15],[16],[19],[34]  
Fair Value $ 0 [12],[24],[33]     $ 2,312,000 [15],[16],[19],[34]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[34]  
Investment, Identifier [Axis]: Unified Women's Healthcare, LP, First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest       5.25% [15],[16],[19],[38]  
Par / Units       $ 0 [15],[16],[19],[38]  
Amortized Cost       0 [15],[16],[19],[38]  
Fair Value       $ 0 [15],[16],[19],[38]  
Percentage of Net Assets       0.00% [15],[16],[19],[38]  
Investment, Identifier [Axis]: Unified Women's Healthcare, LP, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.25% [12],[13] 5.25% [12],[13] 5.25% [12],[13] 5.25% [15],[16],[35]  
Par / Units $ 904,000 [12],[13]     $ 878,000 [15],[16],[35]  
Amortized Cost 898,000 [12],[13]     872,000 [15],[16],[35]  
Fair Value $ 904,000 [12],[13]     $ 878,000 [15],[16],[35]  
Percentage of Net Assets 0.00% [12],[13] 0.00% [12],[13] 0.00% [12],[13] 0.00% [15],[16],[35]  
Investment, Identifier [Axis]: Unified Women's Healthcare, LP, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.25% [12],[13],[24] 5.25% [12],[13],[24] 5.25% [12],[13],[24] 5.25% [15],[16],[19],[41]  
Par / Units $ 20,000 [12],[13],[24]     $ 0 [15],[16],[19],[41]  
Amortized Cost 20,000 [12],[13],[24]     (1,000) [15],[16],[19],[41]  
Fair Value $ 20,000 [12],[13],[24]     $ 0 [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[13],[24] 0.00% [12],[13],[24] 0.00% [12],[13],[24] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: VEPF Torreys Aggregator, LLC (dba MINDBODY, Inc.), Series A Preferred Stock          
Schedule of Investments [Line Items]          
Interest       6.00% [16],[28],[42]  
Interest, PIK 6.00% [12],[23],[25] 6.00% [12],[23],[25] 6.00% [12],[23],[25] 6.00% [16],[28],[42]  
Units (in shares) | shares 21,250,000 [12],[23],[25] 21,250,000 [12],[23],[25] 21,250,000 [12],[23],[25] 21,250,000 [16],[28],[42]  
Amortized Cost $ 23,629,000 [12],[23],[25]     $ 22,544,000 [16],[28],[42]  
Fair Value $ 22,992,000 [12],[23],[25]     $ 22,319,000 [16],[28],[42]  
Percentage of Net Assets 0.40% [12],[23],[25] 0.40% [12],[23],[25] 0.40% [12],[23],[25] 0.40% [16],[28],[42]  
Investment, Identifier [Axis]: Valence Surface Technologies LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 7.75% [12],[29] 7.75% [12],[29] 7.75% [12],[29] 7.75% [15],[16],[40]  
Interest, PIK 3.88% [12],[29] 3.88% [12],[29] 3.88% [12],[29] 3.875%  
Par / Units $ 134,374,000 [12],[29]     $ 128,074,000 [15],[16],[40]  
Amortized Cost 133,766,000 [12],[29]     127,233,000 [15],[16],[40]  
Fair Value $ 113,546,000 [12],[29]     $ 102,459,000 [15],[16],[40]  
Percentage of Net Assets 1.90% [12],[29] 1.90% [12],[29] 1.90% [12],[29] 1.70% [15],[16],[40]  
Investment, Identifier [Axis]: Valence Surface Technologies LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 7.75% 7.75% 7.75% 7.75% [15],[16],[19],[40]  
Interest, PIK 3.88% 3.88% 3.88%    
Par / Units $ 10,922,000 [12],[24],[29]     $ 10,408,000 [15],[16],[19],[40]  
Amortized Cost 10,879,000 [12],[24],[29]     10,345,000 [15],[16],[19],[40]  
Fair Value $ 9,222,000 [12],[24],[29]     $ 8,316,000 [15],[16],[19],[40]  
Percentage of Net Assets 0.20% [12],[24],[29] 0.20% [12],[24],[29] 0.20% [12],[24],[29] 0.10% [15],[16],[19],[40]  
Investment, Identifier [Axis]: Velocity HoldCo III Inc. (dba VelocityEHS), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[29] 5.75% [12],[29] 5.75% [12],[29] 5.75% [15],[16],[30]  
Par / Units $ 21,825,000 [12],[29]     $ 21,992,000 [15],[16],[30]  
Amortized Cost 21,504,000 [12],[29]     21,614,000 [15],[16],[30]  
Fair Value $ 21,825,000 [12],[29]     $ 21,992,000 [15],[16],[30]  
Percentage of Net Assets 0.40% [12],[29] 0.40% [12],[29] 0.40% [12],[29] 0.40% [15],[16],[30]  
Investment, Identifier [Axis]: Velocity HoldCo III Inc. (dba VelocityEHS), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.75% [12],[13],[24] 5.75% [12],[13],[24] 5.75% [12],[13],[24] 5.75% [15],[16],[19],[34]  
Par / Units $ 335,000 [12],[13],[24]     $ 268,000 [15],[16],[19],[34]  
Amortized Cost 319,000 [12],[13],[24]     248,000 [15],[16],[19],[34]  
Fair Value $ 335,000 [12],[13],[24]     $ 268,000 [15],[16],[19],[34]  
Percentage of Net Assets 0.00% [12],[13],[24] 0.00% [12],[13],[24] 0.00% [12],[13],[24] 0.00% [15],[16],[19],[34]  
Investment, Identifier [Axis]: Vermont Aus Pty Ltd, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.50% [12],[14],[29] 5.50% [12],[14],[29] 5.50% [12],[14],[29] 5.50% [15],[16],[18],[40]  
Par / Units $ 985,000 [12],[14],[29]     $ 993,000 [15],[16],[18],[40]  
Amortized Cost 966,000 [12],[14],[29]     970,000 [15],[16],[18],[40]  
Fair Value $ 973,000 [12],[14],[29]     $ 968,000 [15],[16],[18],[40]  
Percentage of Net Assets 0.00% [12],[14],[29] 0.00% [12],[14],[29] 0.00% [12],[14],[29] 0.00% [15],[16],[18],[40]  
Investment, Identifier [Axis]: WMC Bidco, Inc. (dba West Monroe), Senior Preferred Stock          
Schedule of Investments [Line Items]          
Interest       11.25% [16],[28],[42]  
Interest, PIK 11.25% [12],[23],[25] 11.25% [12],[23],[25] 11.25% [12],[23],[25] 11.25% [16],[28],[42]  
Units (in shares) | shares 20,646,000 [12],[23],[25] 20,646,000 [12],[23],[25] 20,646,000 [12],[23],[25] 18,427,000 [16],[28],[42]  
Amortized Cost $ 20,294,000 [12],[23],[25]     $ 18,039,000 [16],[28],[42]  
Fair Value $ 19,562,000 [12],[23],[25]     $ 17,230,000 [16],[28],[42]  
Percentage of Net Assets 0.30% [12],[23],[25] 0.30% [12],[23],[25] 0.30% [12],[23],[25] 0.30% [16],[28],[42]  
Investment, Identifier [Axis]: WP Irving Co-Invest, L.P., Partnership Units          
Schedule of Investments [Line Items]          
Units (in shares) | shares 1,250,000 [12],[14],[25],[31] 1,250,000 [12],[14],[25],[31] 1,250,000 [12],[14],[25],[31] 1,250,000 [16],[18],[27],[28]  
Amortized Cost $ 1,250,000 [12],[14],[25],[31]     $ 1,250,000 [16],[18],[27],[28]  
Fair Value $ 1,304,000 [12],[14],[25],[31]     $ 1,250,000 [16],[18],[27],[28]  
Percentage of Net Assets 0.00% [12],[14],[25],[31] 0.00% [12],[14],[25],[31] 0.00% [12],[14],[25],[31] 0.00% [16],[18],[27],[28]  
Investment, Identifier [Axis]: WU Holdco, Inc. (dba Weiman Products, LLC), First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 5.50% [12],[29] 5.50% [12],[29] 5.50% [12],[29] 5.50% [15],[16],[17]  
Par / Units $ 201,300,000 [12],[29]     $ 202,864,000 [15],[16],[17]  
Amortized Cost 199,422,000 [12],[29]     200,481,000 [15],[16],[17]  
Fair Value $ 196,770,000 [12],[29]     $ 197,793,000 [15],[16],[17]  
Percentage of Net Assets 3.30% [12],[29] 3.30% [12],[29] 3.30% [12],[29] 3.40% [15],[16],[17]  
Investment, Identifier [Axis]: WU Holdco, Inc. (dba Weiman Products, LLC), First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 5.50% [12],[24],[29] 5.50% [12],[24],[29] 5.50% [12],[24],[29] 5.50% [15],[16],[17],[19]  
Par / Units $ 12,291,000 [12],[24],[29]     $ 9,987,000 [15],[16],[17],[19]  
Amortized Cost 12,185,000 [12],[24],[29]     9,826,000 [15],[16],[17],[19]  
Fair Value $ 11,859,000 [12],[24],[29]     $ 9,507,000 [15],[16],[17],[19]  
Percentage of Net Assets 0.20% [12],[24],[29] 0.20% [12],[24],[29] 0.20% [12],[24],[29] 0.20% [15],[16],[17],[19]  
Investment, Identifier [Axis]: Walker Edison Furniture Company LLC, First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest, PIK 6.75% [12],[13],[22],[24],[57] 6.75% [12],[13],[22],[24],[57] 6.75% [12],[13],[22],[24],[57]    
Units (in shares) | shares 586,000 [12],[13],[22],[24],[57] 586,000 [12],[13],[22],[24],[57] 586,000 [12],[13],[22],[24],[57]    
Amortized Cost $ 562,000 [12],[13],[22],[24],[57]        
Fair Value $ 530,000 [12],[13],[22],[24],[57]        
Percentage of Net Assets 0.00% [12],[13],[22],[24],[57] 0.00% [12],[13],[22],[24],[57] 0.00% [12],[13],[22],[24],[57]    
Investment, Identifier [Axis]: Walker Edison Furniture Company LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       8.75% [15],[16],[17],[58]  
Interest, PIK 6.75% [12],[13],[22],[57] 6.75% [12],[13],[22],[57] 6.75% [12],[13],[22],[57] 3.00% [15],[16],[17],[58]  
Par / Units       $ 86,203,000 [15],[16],[17],[58]  
Units (in shares) | shares 23,162,000 [12],[13],[22],[57] 23,162,000 [12],[13],[22],[57] 23,162,000 [12],[13],[22],[57]    
Amortized Cost $ 20,675,000 [12],[13],[22],[57]     83,193,000 [15],[16],[17],[58]  
Fair Value $ 22,351,000 [12],[13],[22],[57]     $ 43,963,000 [15],[16],[17],[58]  
Percentage of Net Assets 0.40% [12],[13],[22],[57] 0.40% [12],[13],[22],[57] 0.40% [12],[13],[22],[57] 0.70% [15],[16],[17],[58]  
Investment, Identifier [Axis]: Walker Edison Furniture Company LLC, First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest, PIK 6.25% [12],[13],[22],[57] 6.25% [12],[13],[22],[57] 6.25% [12],[13],[22],[57]    
Units (in shares) | shares 11,241,000 [12],[13],[22],[57] 11,241,000 [12],[13],[22],[57] 11,241,000 [12],[13],[22],[57]    
Amortized Cost $ 11,241,000 [12],[13],[22],[57]        
Fair Value $ 11,017,000 [12],[13],[22],[57]        
Percentage of Net Assets 0.20% [12],[13],[22],[57] 0.20% [12],[13],[22],[57] 0.20% [12],[13],[22],[57]    
Investment, Identifier [Axis]: Walker Edison Furniture Company, LLC          
Schedule of Investments [Line Items]          
Fair Value $ 48,104,000     $ 0  
Investment, Identifier [Axis]: Walker Edison Holdco LLC, Common Units          
Schedule of Investments [Line Items]          
Units (in shares) | shares 245,906 [12],[22],[25] 245,906 [12],[22],[25] 245,906 [12],[22],[25]    
Amortized Cost $ 23,762,000 [12],[22],[25]        
Fair Value $ 14,206,000 [12],[22],[25]        
Percentage of Net Assets 0.20% [12],[22],[25] 0.20% [12],[22],[25] 0.20% [12],[22],[25]    
Investment, Identifier [Axis]: When I Work, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       7.00% [15],[16],[17]  
Interest, PIK 7.00% [12],[29] 7.00% [12],[29] 7.00% [12],[29] 7.00% [15],[16],[17]  
Par / Units $ 5,481,000 [12],[29]     $ 5,200,000 [15],[16],[17]  
Amortized Cost 5,445,000 [12],[29]     5,158,000 [15],[16],[17]  
Fair Value $ 5,385,000 [12],[29]     $ 5,096,000 [15],[16],[17]  
Percentage of Net Assets 0.10% [12],[29] 0.10% [12],[29] 0.10% [12],[29] 0.10% [15],[16],[17]  
Investment, Identifier [Axis]: When I Work, Inc., First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.00% [12],[24],[33] 6.00% [12],[24],[33] 6.00% [12],[24],[33] 6.00% [15],[16],[19],[41]  
Par / Units $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Amortized Cost (6,000) [12],[24],[33]     (7,000) [15],[16],[19],[41]  
Fair Value $ (16,000) [12],[24],[33]     $ (18,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Windows Entities, LLC Units          
Schedule of Investments [Line Items]          
Units (in shares) | shares 31,849,000 [12],[25],[69] 31,849,000 [12],[25],[69] 31,849,000 [12],[25],[69] 31,849,000 [16],[28],[70]  
Amortized Cost $ 60,319,000 [12],[25],[69]     $ 60,318,000 [16],[28],[70]  
Fair Value $ 137,433,000 [12],[25],[69]     $ 121,419,000 [16],[28],[70]  
Percentage of Net Assets 2.30% [12],[25],[69] 2.30% [12],[25],[69] 2.30% [12],[25],[69] 2.10% [16],[28],[70]  
Investment, Identifier [Axis]: Wingspire Capital Holdings LLC          
Schedule of Investments [Line Items]          
Fair Value $ 482,246,000     $ 431,531,000 $ 242,163,000
Investment, Identifier [Axis]: Wingspire Capital Holdings LLC, LLC Interest          
Schedule of Investments [Line Items]          
Units (in shares) | shares 405,145,000 [22],[24],[25],[50] 405,145,000 [22],[24],[25],[50] 405,145,000 [22],[24],[25],[50]    
Amortized Cost $ 405,145,000 [22],[24],[25],[50]        
Fair Value $ 482,246,000 [22],[24],[25],[50]        
Percentage of Net Assets 8.00% [22],[24],[25],[50] 8.00% [22],[24],[25],[50] 8.00% [22],[24],[25],[50]    
Investment, Identifier [Axis]: Wingspire Capital Holdings LLC, LLC interest          
Schedule of Investments [Line Items]          
Units (in shares) | shares       364,145,000 [19],[26],[28],[51]  
Amortized Cost       $ 364,145,000 [19],[26],[28],[51]  
Fair Value       $ 431,531,000 [19],[26],[28],[51]  
Percentage of Net Assets       7.30% [19],[26],[28],[51]  
Investment, Identifier [Axis]: Zendesk, Inc., First lien senior secured delayed draw term loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[24],[32],[33] 6.50% [12],[24],[32],[33] 6.50% [12],[24],[32],[33] 6.50% [15],[16],[19],[38],[41]  
Par / Units $ 0 [12],[24],[32],[33]     $ 0 [15],[16],[19],[38],[41]  
Amortized Cost (551,000) [12],[24],[32],[33]     (631,000) [15],[16],[19],[38],[41]  
Fair Value $ (87,000) [12],[24],[32],[33]     $ (260,000) [15],[16],[19],[38],[41]  
Percentage of Net Assets 0.00% [12],[24],[32],[33] 0.00% [12],[24],[32],[33] 0.00% [12],[24],[32],[33] 0.00% [15],[16],[19],[38],[41]  
Investment, Identifier [Axis]: Zendesk, Inc., First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest 6.75% [29] 6.75% [29] 6.75% [29] 6.50% [15],[16],[40]  
Interest, PIK 3.25% [29] 3.25% [29] 3.25% [29]    
Par / Units $ 70,631,000 [12],[29]     $ 69,409,000 [15],[16],[40]  
Amortized Cost 69,399,000 [12],[29]     68,040,000 [15],[16],[40]  
Fair Value $ 69,571,000 [12],[29]     $ 67,674,000 [15],[16],[40]  
Percentage of Net Assets 1.20% [12],[29] 1.20% [12],[29] 1.20% [12],[29] 1.20% [15],[16],[40]  
Investment, Identifier [Axis]: Zendesk, Inc., First lien senior secured revolving loan          
Schedule of Investments [Line Items]          
Interest 6.50% [12],[24],[33] 6.50% [12],[24],[33] 6.50% [12],[24],[33] 6.50% [15],[16],[19],[41]  
Par / Units $ 0 [12],[24],[33]     $ 0 [15],[16],[19],[41]  
Amortized Cost (122,000) [12],[24],[33]     (140,000) [15],[16],[19],[41]  
Fair Value $ (107,000) [12],[24],[33]     $ (179,000) [15],[16],[19],[41]  
Percentage of Net Assets 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [12],[24],[33] 0.00% [15],[16],[19],[41]  
Investment, Identifier [Axis]: Zenith Energy U.S. Logistics Holdings, LLC, First lien senior secured loan          
Schedule of Investments [Line Items]          
Interest       5.50% [15],[16],[34]  
Par / Units       $ 58,042,000 [15],[16],[34]  
Amortized Cost       57,575,000 [15],[16],[34]  
Fair Value       $ 58,042,000 [15],[16],[34]  
Percentage of Net Assets       1.00% [15],[16],[34]  
Investment, Identifier [Axis]: Zoro TopCo, Inc. (dba Zendesk, Inc.), Series A Preferred Stock          
Schedule of Investments [Line Items]          
Interest       12.50% [16],[28],[42]  
Interest, PIK       12.50% [16],[28],[42]  
Units (in shares) | shares       9,554,000 [16],[28],[42]  
Amortized Cost       $ 9,220,000 [16],[28],[42]  
Fair Value       $ 9,220,000 [16],[28],[42]  
Percentage of Net Assets       0.20% [16],[28],[42]  
Investment, Identifier [Axis]: Zoro TopCo, Inc., Series A Preferred Stock          
Schedule of Investments [Line Items]          
Interest, PIK 12.50% [12],[23],[25] 12.50% [12],[23],[25] 12.50% [12],[23],[25]    
Units (in shares) | shares 10,291,000 [12],[23],[25] 10,291,000 [12],[23],[25] 10,291,000 [12],[23],[25]    
Amortized Cost $ 9,972,000 [12],[23],[25]        
Fair Value $ 10,085,000 [12],[23],[25]        
Percentage of Net Assets 0.20% [12],[23],[25] 0.20% [12],[23],[25] 0.20% [12],[23],[25]    
Investment, Identifier [Axis]: Zoro TopCo, L.P. (dba Zendesk, Inc.), Class A Common Units          
Schedule of Investments [Line Items]          
Units (in shares) | shares 796,165 [12],[25],[31] 796,165 [12],[25],[31] 796,165 [12],[25],[31] 796,165 [16],[27],[28]  
Amortized Cost $ 7,962,000 [12],[25],[31]     $ 7,962,000 [16],[27],[28]  
Fair Value $ 8,354,000 [12],[25],[31]     $ 7,962,000 [16],[27],[28]  
Percentage of Net Assets 0.10% [12],[25],[31] 0.10% [12],[25],[31] 0.10% [12],[25],[31] 0.10% [16],[27],[28]  
[1] As of September 30, 2023, the net estimated unrealized loss for U.S. federal income tax purposes was $38.5 million based on a tax cost basis of $12.9 billion. As of September 30, 2023, the estimated aggregate gross unrealized loss for U.S. federal income tax purposes was $343.2 million and the estimated aggregate gross unrealized gain for U.S. federal income tax purposes was $304.7 million.
[2] Certain portfolio company investments are subject to contractual restrictions on sales. Refer to footnote 28 for additional information on our restricted securities.
[3] The amortized cost represents the original cost adjusted for the amortization or accretion of premium or discount, as applicable, on debt investments using the effective interest method.
[4] Unless otherwise indicated, all investments are considered Level 3 investments.
[5] Unless otherwise indicated, 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- or six- month SOFR), London Interbank Offered Rate (“LIBOR” or “L”, which can include one-, three- or six- month LIBOR), Euro Interbank Offered Rate (“EURIBOR”), Great Britain Pound London Interbank Offered Rate (“GBPLIBOR” or “G”, which can include three- or six-month GBPLIBOR), SONIA ("SONIA” or "SA") or an alternate base rate (which can include the Federal Funds Effective Rate or the Prime Rate), at the borrower’s option, and which reset periodically based on the terms of the loan agreement.
[6] Unless otherwise indicated, the Company’s portfolio companies are pledged as collateral supporting the amounts outstanding under the Revolving Credit Facility, SPV Asset Facilities and CLOs. See Note 6 “Debt”.
[7] As of December 31, 2022, the net estimated unrealized loss for U.S. federal income tax purposes was $126.2 million based on a tax cost basis of $13.1 billion. As of December 31, 2022, the estimated aggregate gross unrealized loss for U.S. federal income tax purposes was $382.2 million and the estimated aggregate gross unrealized gain for U.S. federal income tax purposes was $256.0 million.
[8] Certain portfolio company investments are subject to contractual restrictions on sales. Refer to footnote 28 for additional information on our restricted securities.
[9] The amortized cost represents the original cost adjusted for the amortization or accretion of premium or discount , as applicable, on debt investments using the effective interest method.
[10] Unless otherwise indicated, all investments are considered Level 3 investments.
[11] Unless otherwise indicated, the Company’s portfolio companies are pledged as collateral supporting the amounts outstanding under the Revolving Credit Facility, SPV Asset Facilities and CLOs. See Note 6 “Debt”.
[12] Represents co-investment made with the Company’s affiliates in accordance with the terms of the exemptive relief that the Company received from the U.S. Securities and Exchange Commission. See Note 3 “Agreements and Related Party Transactions.”
[13] The interest rate on these loans is subject to 1 month SOFR, which as of September 30, 2023 was 5.32%.
[14] This portfolio company is not a qualifying asset under Section 55(a) of the Investment Company Act of 1940, as amended (the “1940 Act”). Under the 1940 Act, the Company may not acquire any non-qualifying asset unless, at the time such acquisition is made, qualifying assets represent at least 70% of total assets. As of September 30, 2023, non-qualifying assets represented 14.4% of total assets as calculated in accordance with the regulatory requirements.
[15] Loan contains a variable rate structure and may be subject to an interest rate floor. Variable rate loans bear interest at a rate that may be determined by reference to either the London Interbank Offered Rate (“LIBOR” or “L”, which can include one-, three-, six- or twelve- month LIBOR), Secured Overnight Financing Rate ("SOFR" or "S," which can include one-, three- or six- month SOFR), Euro Interbank Offered Rate (“EURIBOR”), Great Britain Pound London Interbank Offered Rate (“GBPLIBOR” or “G”, which can include three- or six-month GBPLIBOR), SONIA ("SONIA” or "SA") or an alternate base rate (which can include the Federal Funds Effective Rate or the Prime Rate), at the borrower’s option, and which reset periodically based on the terms of the loan agreement.
[16] Represents co-investment made with the Company’s affiliates in accordance with the terms of the exemptive relief that the Company received from the U.S. Securities and Exchange Commission. See Note 3 “Agreements and Related Party Transactions.”
[17] The interest rate on these loans is subject to 3 month LIBOR, which as of December 31, 2022 was 4.77%.
[18] This portfolio company is not a qualifying asset under Section 55(a) of the Investment Company Act of 1940, as amended (the “1940 Act”). Under the 1940 Act, the Company may not acquire any non-qualifying asset unless, at the time such acquisition is made, qualifying assets represent at least 70% of total assets. As of December 31, 2022, non-qualifying assets represented 13.5% of total assets as calculated in accordance with the regulatory requirements.
[19] Position or portion thereof is an unfunded loan or equity commitment. See Note 7 “Commitments and Contingencies”.
[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] 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] As defined in the 1940 Act, the Company is deemed to be both an “Affiliated Person” and has “Control” of this portfolio company as the Company owns more than 25% of the portfolio company’s outstanding voting securities or has the power to exercise control over management or policies of such portfolio company, including through a management agreement (“controlled affiliate”). The Company’s investment in controlled affiliates for the period ended September 30, 2023, were as follows:
($ in thousands)Fair value
as of December 31, 2022		Gross Additions
(a)		Gross Reductions(b)Change in Unrealized Gains (Losses)Fair value
as of September 30, 2023		Interest IncomeDividend IncomeOther Income
Controlled Affiliates
AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC(d)$— $60,349 $(35)$32 $60,346 $773 $— $— 
AAM Series 2.1 Aviation Feeder, LLC(d)1,568 29,138 — — 30,706 — — — 
Eagle Infrastructure Super LLC— 109,977 (2)87 110,062 5,927 — 14 
Fifth Season Investments LLC (fka Chapford SMA Partnership, L.P.)89,680 33,820 — — 123,500 — 2,860 — 
Blue Owl Capital Corporation Senior Loan Fund LLC (fka ORCC Senior Loan Fund LLC)(c)288,981 106,751 (39,375)13,355 369,712 — 33,302 — 
PS Operating Company LLC (fka QC Supply, LLC)20,361 37 (166)(789)19,443 1,472 — 5 
Swipe Acquisition Corporation (dba PLI)161,680 221 (1,335)(152)160,414 6,545 3,558 723 
Walker Edison Furniture Company, LLC— 56,239 — (8,135)48,104 — — 18 
Wingspire Capital Holdings LLC431,531 58,000 (17,000)9,715 482,246 — 27,000 — 
Total Controlled Affiliates$993,801 $454,532 $(57,913)$14,113 $1,404,533 $14,717 $66,720 $760 
________________
(a)Gross additions may include increases in the cost basis of investments resulting from new investments, amounts related to payment-in-kind (“PIK”) interest capitalized and added to the principal balance of the respective loans, the accretion of discounts, the exchange of one or more existing investments for one or more new investments and the movement at fair value of an existing portfolio company into this controlled affiliated category from a different category.
(b)Gross reductions may include decreases in the cost basis of investments resulting from principal collections related to investment repayments and sales, return of capital, the amortization of premiums and the exchange of one or more existing securities for one or more new securities.
(c)For further description of the Company's investment in Blue Owl Capital Corporation Senior Loan Fund (fka ORCC Senior Loan Fund), see Note 4 "Investments."
(d)In connection with its investment in AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC and AAM Series 2.1 Aviation Feeder, LLC (collectively, “Amergin Assetco”) the Company made a minority investment in Amergin Asset Management, LLC which has entered into a Servicing Agreement with Amergin Assetco.
[23] Contains a fixed-rate structure
[24] Position or portion thereof is an unfunded loan or equity commitment. See Note 7 “Commitments and Contingencies”.
[25] Securities acquired in transactions exempt from registration under the Securities Act of 1933, as amended (the “Securities Act”) and may be deemed to be “restricted securities” under the Securities Act. As of September 30, 2023, the aggregate fair value of these securities is $2.0 billion or 32.7% 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 Interest7/1/2022
AAM Series 2.1 Aviation Feeder, LLC**LLC Interest7/1/2022
Amergin Asset Management, LLCClass A Units7/1/2022
Accelerate topco Holdings, LLCCommon Units9/1/2022
ASP Conair Holdings LPClass A Units5/17/2021
Associations Finance, Inc.Preferred Stock6/10/2022
Windows EntitiesLLC Units1/16/2020
BCTO WIW Holdings, Inc. (dba When I Work)Class A Common Stock11/2/2021
BEHP Co-Investor II, L.P.LP Interest5/11/2022
WP Irving Co-Invest, L.P.Partnership Units5/18/2022
Blend Labs, Inc.Warrants7/2/2021
Brooklyn Lender Co-Invest 2, L.P. (dba Boomi)Common Units10/1/2021
CD&R Value Building Partners I, L.P. (dba Belron)LP Interest12/2/2021
Fifth Season Investments LLC (fka Chapford SMA Partnership, L.P.)**Class A Units7/18/2022
Denali Holding, LP (dba Summit Companies)Class A Units9/15/2021
Dodge Construction Network Holdings, LPClass A-2 Common Units2/23/2022
Dodge Construction Network Holdings, LPSeries A Preferred Units2/23/2022
 Eagle Infrastructure Super LLC**Common Units3/31/2023
Elliott Alto Co-Investor Aggregator L.P.LP Interest9/27/2022
Picard Holdco, LLCSeries A Preferred Stock9/30/2022
Evology, LLCClass B Units1/24/2022
Evolution Parent, LP (dba SIAA)LP Interest4/30/2021
Gloves Holdings, LP (dba Protective Industrial Products)LP Interest12/29/2020
GrowthCurve Capital Sunrise Co-Invest LP (dba Brightway)LP Interest12/16/2021
Hercules Buyer, LLC (dba The Vincit Group)Common Units12/15/2020
Hissho Sushi Holdings, LLCClass A units5/17/2022
Hockey Parent Holdings L.P.Class A Units9/14/2023
Insight CP (Blocker) Holdings, L.P. (dba CivicPlus, LLC)LP Interest6/8/2022
Knockout Intermediate Holdings I Inc. (dba Kaseya)Perpetual Preferred Stock6/23/2022
KOBHG Holdings, L.P. (dba OB Hospitalist)Class A Interests9/27/2021
Maia Aggregator, LPClass A-2 Units2/1/2022
H-Food Holdings, LLCLLC Interest11/23/2018
LSI Financing 1 DAC**Preferred equity12/14/2022
MessageBird Holding B.V.Extended Series C Warrants5/5/2021
Metis HoldCo, Inc. (dba Mavis Tire Express Services)Series A Convertible Preferred Stock5/4/2021
Minerva Holdco, Inc.Series A Preferred Stock2/15/2022
KPCI Holdings, L.P.Class A Units11/30/2020
Patriot Holdings SCSp (dba Corza Health, Inc.)Class B Units1/29/2021
Patriot Holdings SCSp (dba Corza Health, Inc.)Class A Units1/29/2021
PCF Holdco, LLC (dba PCF Insurance Services)Class A Units11/1/2021
Project Alpine Co-Invest Fund,
LP		LP Interest6/10/2022
Project Hotel California Co-Invest Fund, L.P. LP Interest8/9/2022
PS Op Holdings LLC (fka QC Supply, LLC)**Class A Common Units12/21/2021
Rhea Acquisition Holdings, LPSeries A-2 Units2/18/2022
Blue Owl Capital Corporation Senior Loan Fund LLC (fka ORCC Senior Loan Fund LLC)*LLC Interest6/20/2017
Portfolio CompanyInvestmentAcquisition Date
Space Exploration Technologies Corp.Class A Common Stock3/25/2021
Space Exploration Technologies Corp.Class C Common Stock3/25/2021
Sunshine Software Holdings, Inc. (dba Cornerstone OnDemand)Series A Preferred Stock10/14/2021
New PLI Holdings, LLC (dba PLI)**Class A Common Units12/23/2020
Thunder Topco L.P. (dba Vector Solutions)Common Units6/30/2021
VEPF Torreys Aggregator, LLC (dba MINDBODY, Inc.)Series A Preferred Stock10/15/2021
 Walker Edison Holdco LLC**Common Units3/1/2023
Wingspire Capital Holdings LLC**LLC Interest9/24/2019
WMC Bidco, Inc. (dba West Monroe)Senior Preferred Stock11/9/2021
Zoro TopCo, L.P.Series A Preferred Stock11/22/2022
Zoro TopCo, L.P.Class A Common Units11/22/2022
* Refer to Note 4 “Investments – Blue Owl Capital Corporation Senior Loan Fund LLC,” for further information.
** Refer to Note 3 “Agreements and Related Party Transactions – Controlled/Affiliated Portfolio Companies”.
[26] As defined in the 1940 Act, the Company is deemed to be both an “Affiliated Person” and has “Control” of this portfolio company as the Company owns more than 25% of the portfolio company’s outstanding voting securities or has the power to exercise control over management or policies of such portfolio company, including through a management agreement (“controlled affiliate”). The Company’s investment in controlled affiliates for the period ended December 31, 2022, were as follows:
($ in thousands)Fair value
as of December 31, 2021		Gross Additions
(a)		Gross Reductions(b)Change in Unrealized Gains (Losses)Fair value
as of December 31, 2022		Interest IncomeDividend IncomeOther Income
Controlled Affiliates
AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC(d)
$— $5 $— $(5)$— $— $— $— 
AAM Series 2.1 Aviation Feeder, LLC(d)
— 1,574 — (6)1,568 — — — 
Fifth Season Investments LLC (fka Chapford SMA Partnership, L.P.)— 89,680 — — 89,680 — 201 — 
ORCC Senior Loan Fund LLC (fka Sebago Lake LLC)(c)
247,061 118,125 (49,000)(27,205)288,981 — 33,673 — 
PS Operating Company LLC (fka QC Supply, LLC)19,495 2,979 (1,444)(669)20,361 1,375 — 9 
Swipe Acquisition Corporation (dba PLI)108,061 4,284 (891)50,226 161,680 6,831 6,673 680 
Wingspire Capital Holdings LLC242,163 201,107 (35,000)23,261 431,531 — 36,500 — 
Total Controlled Affiliates$616,780 $417,754 $(86,335)$45,602 $993,801 $8,206 $77,047 $689 
________________
(a)Gross additions may include increases in the cost basis of investments resulting from new investments, amounts related to payment-in-kind (“PIK”) interest capitalized and added to the principal balance of the respective loans, the accretion of discounts, the exchange of one or more existing investments for one or more new investments and the movement at fair value of an existing portfolio company into this controlled affiliated category from a different category.
(b)Gross reductions may include decreases in the cost basis of investments resulting from principal collections related to investment repayments and sales, return of capital, the amortization of premiums and the exchange of one or more existing securities for one or more new securities.
(c)For further description of the Company's investment in ORCC Senior Loan Fund LLC (fka Sebago Lake LLC), see Note 4 "Investments."
(d)In connection with its investment in AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC and AAM Series 2.1 Aviation Feeder, LLC (collectively, “Amergin Assetco”) the Company made a minority investment in Amergin Asset Management, LLC which has entered into a Servicing Agreement with Amergin Assetco.
[27] Investment is non-income producing.
[28] Securities acquired in transactions exempt from registration under the Securities Act of 1933, as amended (the “Securities Act”) and may be deemed to be “restricted securities” under the Securities Act. As of December 31, 2022, the aggregate fair value of these securities is $1.6 billion or 27.6% of the Company’s net assets. The acquisition dates of the restricted securities are as follows:
Portfolio CompanyInvestmentAcquisition Date
AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC**LLC InterestJuly 1, 2022
AAM Series 2.1 Aviation Feeder, LLC**LLC InterestJuly 1, 2022
Amergin Asset Management, LLCClass A UnitsJuly 1, 2022
Accelerate topco Holdings, LLCCommon UnitsSeptember 1, 2022
ASP Conair Holdings LPClass A UnitsMay 17, 2021
Associations Finance, Inc.Preferred StockJune 10, 2022
Windows EntitiesLLC UnitsJanuary 16, 2020
BCTO WIW Holdings, Inc. (dba When I Work)Class A Common StockNovember 2, 2021
BEHP Co-Investor II, L.P.LP InterestMay 11, 2022
WP Irving Co-Invest, L.P.Partnership UnitsMay 18, 2022
Blend Labs, Inc.WarrantsJuly 2, 2021
Brooklyn Lender Co-Invest 2, L.P. (dba Boomi)Common UnitsOctober 1, 2021
CD&R Value Building Partners I, L.P. (dba Belron)LP InterestDecember 2, 2021
Fifth Season Investments LLC (fka Chapford SMA Partnership, L.P.)**Class A UnitsJuly 18, 2022
Denali Holding, LP (dba Summit Companies)Class A UnitsSeptember 15, 2021
Dodge Construction Network Holdings, LPClass A-2 Common UnitsFebruary 23, 2022
Dodge Construction Network Holdings, LPSeries A Preferred UnitsFebruary 23, 2022
Elliott Alto Co-Investor Aggregator L.P.LP InterestSeptember 27, 2022
Picard Holdco, LLCSeries A Preferred StockSeptember 30, 2022
Evology, LLCClass B UnitsJanuary 24, 2022
Evolution Parent, LP (dba SIAA)LP InterestApril 30, 2021
Gloves Holdings, LP (dba Protective Industrial Products)LP InterestDecember 29, 2020
GrowthCurve Capital Sunrise Co-Invest LP (dba Brightway)LP InterestDecember 16, 2021
Hercules Buyer, LLC (dba The Vincit Group)Common UnitsDecember 15, 2020
Hissho Sushi Holdings, LLCClass A unitsMay 17, 2022
Insight CP (Blocker) Holdings, L.P. (dba CivicPlus, LLC)LP InterestJune 8, 2022
Knockout Intermediate Holdings I Inc. (dba Kaseya)Perpetual Preferred StockJune 23, 2022
KOBHG Holdings, L.P. (dba OB Hospitalist)Class A InterestsSeptember 27, 2021
Maia Aggregator, LPClass A-2 UnitsFebruary 1, 2022
H-Food Holdings, LLCLLC InterestNovember 23, 2018
LSI Financing 1 DAC**Preferred equityDecember 14, 2022
MessageBird Holding B.V.Extended Series C WarrantsMay 5, 2021
Metis HoldCo, Inc. (dba Mavis Tire Express Services)Series A Convertible Preferred StockMay 4, 2021
Minerva Holdco, Inc.Series A Preferred StockFebruary 15, 2022
KPCI Holdings, L.P.Class A UnitsNovember 30, 2020
Patriot Holdings SCSp (dba Corza Health, Inc.)Class B UnitsJanuary 29, 2021
Patriot Holdings SCSp (dba Corza Health, Inc.)Class A UnitsJanuary 29, 2021
PCF Holdco, LLC (dba PCF Insurance Services)Class A UnitsNovember 1, 2021
Project Alpine Co-Invest Fund,
LP		LP InterestJune 10, 2022
Project Hotel California Co-Invest Fund, L.P. LP InterestAugust 9, 2022
PS Op Holdings LLC (fka QC Supply, LLC)**Class A Common UnitsDecember 21, 2021
Rhea Acquisition Holdings, LPSeries A-2 UnitsFebruary 18, 2022
Blue Owl Capital Corporation Senior Loan Fund LLC (fka ORCC Senior Loan Fund LLC)*LLC InterestJune 20, 2017
Space Exploration Technologies Corp.Class A Common StockMarch 25, 2021
Space Exploration Technologies Corp.Class C Common StockMarch 25, 2021
Sunshine Software Holdings, Inc. (dba Cornerstone OnDemand)Series A Preferred StockOctober 14, 2021
New PLI Holdings, LLC (dba PLI)**Class A Common UnitsDecember 23, 2020
Portfolio CompanyInvestmentAcquisition Date
Thunder Topco L.P. (dba Vector Solutions)Common UnitsJune 30, 2021
VEPF Torreys Aggregator, LLC (dba MINDBODY, Inc.)Series A Preferred StockOctober 15, 2021
Wingspire Capital Holdings LLC**LLC InterestSeptember 24, 2019
WMC Bidco, Inc. (dba West Monroe)Senior Preferred StockNovember 9, 2021
Zoro TopCo, Inc. (dba Zendesk, Inc.)Series A Preferred StockNovember 22, 2022
Zoro TopCo, L.P. (dba Zendesk, Inc.)Class A Common UnitsNovember 22, 2022
* Refer to Note 4 “Investments – ORCC Senior Loan Fund LLC,” for further information.
** Refer to Note 3 “Agreements and Related Party Transactions – Controlled/Affiliated Portfolio Companies”.
[29] The interest rate on these loans is subject to 3 month SOFR, which as of September 30, 2023 was 5.40%.
[30] The interest rate on these loans is subject to 6 month LIBOR, which as of December 31, 2022 was 5.14%.
[31] Investment is non-income producing
[32] 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.
[33] The negative cost is the result of the capitalized discount being greater than the principal amount outstanding on the loan. The negative fair value is the result of the capitalized discount on the loan.
[34] The interest rate on these loans is subject to 1 month LIBOR, which as of December 31, 2022 was 4.39%.
[35] The interest rate on these loans is subject to 1 month SOFR, which as of December 31, 2022 was 4.36%.
[36] The interest rate on these loans is subject to Prime, which as of September 30, 2023 was 8.50%.
[37] The interest rate on these loans is subject to 6 month SOFR, which as of September 30, 2023 was 5.47%.
[38] 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.
[39] The interest rate on these loans is subject to 6 month SOFR, which as of December 31, 2022 was 4.78%.
[40] The interest rate on these loans is subject to 3 month SOFR, which as of December 31, 2022 was 4.59%.
[41] The negative cost is the result of the capitalized discount being greater than the principal amount outstanding on the loan. The negative fair value is the result of the capitalized discount on the loan.
[42] Contains a fixed-rate structure.
[43] Level 2 investment.
[44] Level 2 investment.
[45] The interest rate on this loan is subject to 6 month EURIBOR, which as of September 30, 2023 was 4.13%.
[46] The interest rate on this loan is subject to 6 month EURIBOR, which as of December 31, 2022 was 2.69%.
[47] The interest rate on this loan is subject to 3 month EURIBOR, which as of December 31, 2022 was 2.13%.
[48] The interest rate on this loan is subject to SONIA, which as of September 30, 2023 was 5.19%
[49] The interest rate on this loan is subject to SONIA, which as of December 31, 2022 was 3.43%.
[50] Investment is not pledged as collateral for the credit facilities.
[51] Investment is not pledged as collateral for the credit facilities.
[52] The interest rate on this loan is subject to 1 month EURIBOR, which as of September 30, 2023 was 3.85%.
[53] Level 1 investment.
[54] Level 1 investment.
[55] For further description of the Company's investment in Blue Owl Capital Corporation Senior Loan Fund (fka ORCC Senior Loan Fund), see Note 4 "Investments."
[56] Investment measured at net asset value (“NAV”).
[57] Loan was on non-accrual status as of September 30, 2023
[58] Loan was on non-accrual status as of December 31, 2022.
[59] As defined in the 1940 Act, the Company is deemed to be an “affiliated person” of this portfolio company as the Company owns more than 5% but less than 25% of the portfolio company's voting securities or has the power to exercise control over management or policies of such portfolio company, including through a management agreement (“non-controlled affiliate”). Transactions related to investments in non-controlled affiliates for the period ended December 31, 2022 were as follows:
($ in thousands)Fair value
as of December 31, 2021		Gross Additions
(a)		Gross Reductions(b)Change in Unrealized Gains (Losses)Fair value
as of December 31, 2022		Interest IncomeDividend IncomeOther Income
LSI Financing 1 DAC— 6,224 — (49)6,175 — — — 
Total Non-Controlled Affiliates$— $6,224 $— $(49)$6,175 $— $— $— 
________________
(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.
[60] The interest rate on these loans is subject to 3 month LIBOR, which as of September 30, 2023 was 5.66%
[61] The interest rate on these loans is subject to 6 month LIBOR, which as of September 30, 2023 was 5.90%
[62] 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.(32)Contains a fixed-rate structure.
[63] 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.
[64] The interest rate on this loan is subject to 3 month EURIBOR, which as of September 30, 2023 was 3.95%.
[65] As defined in the 1940 Act, the Company is deemed to be an “affiliated person” of this portfolio company as the Company owns more than 5% but less than 25% of the portfolio company's voting securities or has the power to exercise control over management or policies of such portfolio company, including through a management agreement (“non-controlled affiliate”). Transactions related to investments in non-controlled affiliates for the period ended September 30, 2023 were as follows:
($ in thousands)Fair value
as of December 31, 2022		Gross Additions
(a)		Gross Reductions(b)Change in Unrealized Gains (Losses)Fair value
as of September 30, 2023		Interest IncomeDividend IncomeOther Income
LSI Financing 1 DAC6,175 15,045 (1,917)502 19,805 — 213 — 
Total Non-Controlled Affiliates$6,175 $15,045 $(1,917)$502 $19,805 $— $213 $— 
________________
(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.
[66] Investment measured at net asset value (“NAV”).
[67] For further description of the Company's investment in ORCC Senior Loan Fund LLC (fka Sebago Lake LLC), see Note 4 "Investments."
[68] The interest rate on these loans is subject to Prime, which as of December 31, 2022 was 7.50%.
[69] Investment represents multiple underlying investments in related entities under common management. These underlying investments are on identical terms and include Midwest Custom Windows, LLC with a fair value of $23.9 million, Greater Toronto Custom Windows, Corp. with a fair value of $9.9 million, Garden State Custom Windows, LLC with a fair value of $33.1 million, Long Island Custom Windows, LLC with a fair value of $28.6 million, Jemico, LLC with a fair value of $23.0 million, Atlanta Custom Windows, LLC with a fair value of $11.4 million and Fairchester Custom Windows with a fair value of $7.6 million as of September 30, 2023. Greater Toronto Custom Windows, Corp. is considered a non-qualifying asset.
[70] Investment represents multiple underlying investments, including Midwest Custom Windows, LLC, Greater Toronto Custom Windows, Corp., Garden State Custom Windows, LLC, Long Island Custom Windows, LLC, Jemico, LLC, Atlanta Custom Windows, LLC and Fairchester Custom Windows (collectively, “Windows Entities”). Greater Toronto Custom Windows, Corp. is considered a non-qualifying asset, with a fair value of $9.1 million as of December 31, 2022.