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Unaudited Consolidated Schedule of Investments - USD ($)
Mar. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Aug. 12, 2022
Jul. 08, 2021
Schedule of Investments [Line Items]          
Cost $ 2,610,675,000 $ 2,522,696,000      
Fair Value $ 2,571,228,000 $ 2,449,272,000      
Percentage of Total Net Assets 216.30% [1] 205.80% [2]      
Jocassee Partners LLC          
Schedule of Investments [Line Items]          
Ownership percent 9.10% [3],[4] 9.10% [5],[6],[7]      
Sierra Senior Loan Strategy JV I LLC          
Schedule of Investments [Line Items]          
Ownership percent 89.01% [3],[4],[8] 89.01% [5],[6],[9]      
Thompson Rivers LLC          
Schedule of Investments [Line Items]          
Ownership percent 16.00% [3],[10] 16.00% [5],[11]      
Waccamaw River, LLC          
Schedule of Investments [Line Items]          
Ownership percent 20.00% [3],[4] 20.00% [5],[6]      
Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 376,154,000 $ 360,691,000      
Fair Value $ 434,144,000 $ 409,129,000      
Percentage of Total Net Assets 37.00% 34.00%      
Non-Control / Non-Affiliate investments          
Schedule of Investments [Line Items]          
Cost $ 2,115,174,000 $ 2,033,716,000      
Fair Value $ 2,077,039,000 $ 1,972,373,000      
Percentage of Total Net Assets 174.70% [1] 165.70% [2]      
Non-Control / Non-Affiliate investments | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 2,082,585,000 $ 1,996,579,000      
Cost 2,001,204,000 1,930,130,000      
Fair Value $ 1,944,934,000 $ 1,855,514,000      
Percentage of Total Net Assets 163.60% [1] 155.90% [2]      
Non-Control / Non-Affiliate investments | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 110,426,000 $ 103,586,000      
Fair Value $ 125,726,000 $ 116,859,000      
Percentage of Total Net Assets 10.60% [1] 9.80% [2]      
Non-Control / Non-Affiliate investments | Royalty          
Schedule of Investments [Line Items]          
Cost $ 3,544,000        
Fair Value $ 6,379,000        
Percentage of Total Net Assets [1] 0.50%        
Non-Control / Non-Affiliate investments | Aerospace & Defense | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 119,463,000 $ 116,282,000      
Cost 118,120,000 115,477,000      
Fair Value $ 116,097,000 $ 111,886,000      
Percentage of Total Net Assets 9.80% [1] 9.40% [2]      
Non-Control / Non-Affiliate investments | Aerospace & Defense | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 2,596,000 $ 2,596,000      
Fair Value $ 4,005,000 $ 3,846,000      
Percentage of Total Net Assets 0.30% [1] 0.30% [2]      
Non-Control / Non-Affiliate investments | Automotive | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 28,788,000 $ 30,302,000      
Cost 28,108,000 29,559,000      
Fair Value $ 28,221,000 $ 29,689,000      
Percentage of Total Net Assets 2.40% [1] 2.50% [2]      
Non-Control / Non-Affiliate investments | Automotive | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 1,602,000 $ 1,602,000      
Fair Value $ 1,683,000 $ 1,634,000      
Percentage of Total Net Assets 0.10% [1] 0.10% [2]      
Non-Control / Non-Affiliate investments | Banking, Finance, Insurance, & Real Estate | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 138,493,000 $ 138,914,000      
Cost 137,551,000 139,121,000      
Fair Value $ 136,734,000 $ 137,219,000      
Percentage of Total Net Assets 11.50% [1] 11.50% [2]      
Non-Control / Non-Affiliate investments | Banking, Finance, Insurance, & Real Estate | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 28,743,000 $ 18,535,000      
Fair Value $ 38,195,000 $ 26,923,000      
Percentage of Total Net Assets 3.20% [1] 2.30% [2]      
Non-Control / Non-Affiliate investments | Beverage, Food, & Tobacco | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 44,739,000 $ 34,128,000      
Cost 44,608,000 34,549,000      
Fair Value $ 43,981,000 $ 33,714,000      
Percentage of Total Net Assets 3.70% [1] 2.80% [2]      
Non-Control / Non-Affiliate investments | Beverage, Food, & Tobacco | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 2,388,000 $ 2,243,000      
Fair Value $ 3,150,000 $ 2,590,000      
Percentage of Total Net Assets 0.30% [1] 0.20% [2]      
Non-Control / Non-Affiliate investments | Capital Equipment | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 83,647,000 $ 70,714,000      
Cost 81,650,000 69,034,000      
Fair Value $ 80,291,000 $ 67,915,000      
Percentage of Total Net Assets 6.80% [1] 5.70% [2]      
Non-Control / Non-Affiliate investments | Capital Equipment | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 2,154,000 $ 1,807,000      
Fair Value $ 2,834,000 $ 2,251,000      
Percentage of Total Net Assets 0.20% [1] 0.20% [2]      
Non-Control / Non-Affiliate investments | Chemicals, Plastics, & Rubber | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 12,706,000 $ 12,418,000      
Cost 12,785,000 12,822,000      
Fair Value $ 11,835,000 $ 11,635,000      
Percentage of Total Net Assets 1.00% [1] 1.00% [2]      
Non-Control / Non-Affiliate investments | Chemicals, Plastics, & Rubber | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 220,000 $ 220,000      
Fair Value $ 169,000 $ 159,000      
Percentage of Total Net Assets 0.00% [1] 0.00% [2]      
Non-Control / Non-Affiliate investments | Construction & Building | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 25,167,000 $ 25,417,000      
Cost 24,829,000 25,050,000      
Fair Value $ 24,054,000 $ 24,346,000      
Percentage of Total Net Assets 2.00% [1] 2.00% [2]      
Non-Control / Non-Affiliate investments | Construction & Building | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 3,079,000 $ 2,643,000      
Fair Value $ 5,039,000 $ 4,766,000      
Percentage of Total Net Assets 0.40% [1] 0.40% [2]      
Non-Control / Non-Affiliate investments | Consumer goods: Durable | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 46,124,000 $ 38,839,000      
Cost 45,693,000 38,563,000      
Fair Value $ 43,869,000 $ 36,830,000      
Percentage of Total Net Assets 3.70% [1] 3.10% [2]      
Non-Control / Non-Affiliate investments | Consumer goods: Durable | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 3,160,000 $ 3,150,000      
Fair Value $ 1,705,000 $ 1,542,000      
Percentage of Total Net Assets 0.10% [1] 0.10% [2]      
Non-Control / Non-Affiliate investments | Consumer goods: Non-durable | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 45,176,000 $ 44,863,000      
Cost 46,168,000 46,189,000      
Fair Value $ 44,176,000 $ 43,642,000      
Percentage of Total Net Assets 3.70% [1] 3.70% [2]      
Non-Control / Non-Affiliate investments | Consumer goods: Non-durable | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 902,000 $ 896,000      
Fair Value $ 1,046,000 $ 1,088,000      
Percentage of Total Net Assets 0.10% [1] 0.10% [2]      
Non-Control / Non-Affiliate investments | Containers, Packaging, & Glass | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 43,277,000 $ 36,871,000      
Cost 43,083,000 37,034,000      
Fair Value $ 41,987,000 $ 35,768,000      
Percentage of Total Net Assets 3.50% [1] 3.00% [2]      
Non-Control / Non-Affiliate investments | Containers, Packaging, & Glass | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 1,244,000 $ 1,244,000      
Fair Value $ 945,000 $ 897,000      
Percentage of Total Net Assets 0.10% [1] 0.10% [2]      
Non-Control / Non-Affiliate investments | Energy: Electricity | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 12,190,000 $ 12,221,000      
Cost 11,972,000 11,962,000      
Fair Value $ 11,971,000 $ 12,015,000      
Percentage of Total Net Assets 1.00% [1] 1.00% [2]      
Non-Control / Non-Affiliate investments | Environmental Industries | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 50,850,000 $ 53,118,000      
Cost 50,527,000 52,734,000      
Fair Value $ 51,633,000 $ 53,320,000      
Percentage of Total Net Assets 4.30% [1] 4.50% [2]      
Non-Control / Non-Affiliate investments | Environmental Industries | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 16,725,000 $ 16,725,000      
Fair Value $ 14,874,000 $ 14,618,000      
Percentage of Total Net Assets 1.30% [1] 1.20% [2]      
Non-Control / Non-Affiliate investments | Healthcare & Pharmaceuticals | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 227,518,000 $ 192,412,000      
Cost 224,604,000 193,812,000      
Fair Value $ 211,822,000 $ 179,436,000      
Percentage of Total Net Assets 17.80% [1] 15.10% [2]      
Non-Control / Non-Affiliate investments | Healthcare & Pharmaceuticals | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 2,668,000 $ 6,283,000      
Fair Value $ 5,613,000 $ 9,841,000      
Percentage of Total Net Assets 0.50% [1] 0.80% [2]      
Non-Control / Non-Affiliate investments | Healthcare & Pharmaceuticals | Royalty          
Schedule of Investments [Line Items]          
Cost $ 3,544,000        
Fair Value $ 6,379,000        
Percentage of Total Net Assets [1] 0.50%        
Non-Control / Non-Affiliate investments | High Tech Industries | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 291,469,000 $ 266,737,000      
Cost 286,381,000 263,033,000      
Fair Value $ 281,046,000 $ 257,218,000      
Percentage of Total Net Assets 23.60% [1] 21.60% [2]      
Non-Control / Non-Affiliate investments | High Tech Industries | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 11,239,000 $ 11,936,000      
Fair Value $ 7,989,000 $ 8,157,000      
Percentage of Total Net Assets 0.70% [1] 0.70% [2]      
Non-Control / Non-Affiliate investments | Hotel, Gaming, & Leisure | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 8,691,000 $ 8,433,000      
Cost 8,729,000 8,679,000      
Fair Value $ 8,647,000 $ 8,433,000      
Percentage of Total Net Assets 0.70% [1] 0.70% [2]      
Non-Control / Non-Affiliate investments | Media: Advertising, Printing, & Publishing | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 34,563,000 $ 35,501,000      
Cost 34,188,000 35,080,000      
Fair Value $ 28,676,000 $ 31,960,000      
Percentage of Total Net Assets 2.40% [1] 2.70% [2]      
Non-Control / Non-Affiliate investments | Media: Advertising, Printing, & Publishing | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 902,000 $ 902,000      
Fair Value $ 1,666,000 $ 1,615,000      
Percentage of Total Net Assets 0.10% [1] 0.10% [2]      
Non-Control / Non-Affiliate investments | Media: Broadcasting & Subscription | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 10,507,000 $ 10,516,000      
Cost 10,460,000 10,461,000      
Fair Value $ 10,108,000 $ 10,213,000      
Percentage of Total Net Assets 0.90% [1] 0.90% [2]      
Non-Control / Non-Affiliate investments | Media: Broadcasting & Subscription | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 677,000 $ 677,000      
Fair Value $ 2,180,000 $ 2,180,000      
Percentage of Total Net Assets 0.20% [1] 0.20% [2]      
Non-Control / Non-Affiliate investments | Media: Diversified & Production | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 69,572,000 $ 58,449,000      
Cost 68,884,000 57,929,000      
Fair Value $ 68,844,000 $ 57,311,000      
Percentage of Total Net Assets 5.80% [1] 4.80% [2]      
Non-Control / Non-Affiliate investments | Media: Diversified & Production | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 4,960,000 $ 4,960,000      
Fair Value $ 7,355,000 $ 7,099,000      
Percentage of Total Net Assets 0.60% [1] 0.60% [2]      
Non-Control / Non-Affiliate investments | Metals & Mining | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 8,966,000 $ 8,966,000      
Cost 8,966,000 8,966,000      
Fair Value $ 8,805,000 $ 8,769,000      
Percentage of Total Net Assets 0.70% [1] 0.70% [2]      
Non-Control / Non-Affiliate investments | Services: Business | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 463,758,000 $ 469,942,000      
Cost 456,627,000 464,452,000      
Fair Value $ 450,452,000 $ 446,532,000      
Percentage of Total Net Assets 37.90% [1] 37.50% [2]      
Non-Control / Non-Affiliate investments | Services: Business | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 5,481,000 $ 5,481,000      
Fair Value $ 6,858,000 $ 6,616,000      
Percentage of Total Net Assets 0.60% [1] 0.60% [2]      
Non-Control / Non-Affiliate investments | Services: Consumer | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 84,805,000 $ 76,104,000      
Cost 84,674,000 76,933,000      
Fair Value $ 80,890,000 $ 72,020,000      
Percentage of Total Net Assets 6.80% [1] 6.10% [2]      
Non-Control / Non-Affiliate investments | Services: Consumer | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 638,000 $ 638,000      
Fair Value $ 784,000 $ 772,000      
Percentage of Total Net Assets 0.10% [1] 0.10% [2]      
Non-Control / Non-Affiliate investments | Structured products | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 121,596,000 $ 145,448,000      
Cost 63,425,000 89,546,000      
Fair Value $ 53,764,000 $ 79,548,000      
Percentage of Total Net Assets 4.50% [1] 6.70% [2]      
Non-Control / Non-Affiliate investments | Telecommunications | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 19,830,000 $ 19,026,000      
Cost 19,815,000 19,642,000      
Fair Value $ 19,157,000 $ 18,344,000      
Percentage of Total Net Assets 1.60% [1] 1.50% [2]      
Non-Control / Non-Affiliate investments | Telecommunications | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 10,278,000 $ 10,278,000      
Fair Value $ 10,543,000 $ 10,222,000      
Percentage of Total Net Assets 0.90% [1] 0.90% [2]      
Non-Control / Non-Affiliate investments | Transportation: Cargo | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 72,407,000 $ 72,288,000      
Cost 71,561,000 71,372,000      
Fair Value $ 69,645,000 $ 69,371,000      
Percentage of Total Net Assets 5.90% [1] 5.80% [2]      
Non-Control / Non-Affiliate investments | Transportation: Cargo | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 7,971,000 $ 7,971,000      
Fair Value $ 6,294,000 $ 7,244,000      
Percentage of Total Net Assets 0.50% [1] 0.60% [2]      
Non-Control / Non-Affiliate investments | Utilities: Electric | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 18,283,000 $ 18,670,000      
Cost 17,796,000 18,131,000      
Fair Value $ 18,229,000 $ 18,380,000      
Percentage of Total Net Assets 1.50% [1] 1.50% [2]      
Non-Control / Non-Affiliate investments | Utilities: Oil & Gas | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 0 $ 0      
Fair Value $ 0 $ 0      
Percentage of Total Net Assets 0.00% [1] 0.00% [2]      
Non-Control / Non-Affiliate investments | Energy: Oil & Gas | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 2,799,000 $ 2,799,000      
Fair Value $ 2,799,000 $ 2,799,000      
Percentage of Total Net Assets 0.20% [1] 0.20% [2]      
Non-Control / Non-Affiliate investments | Retail | Equity Investments          
Schedule of Investments [Line Items]          
Cost   $ 0      
Fair Value   $ 0      
Percentage of Total Net Assets [2]   0.00%      
Affiliate investments          
Schedule of Investments [Line Items]          
Cost $ 396,408,000 [12] $ 382,848,000 [13]      
Fair Value $ 408,937,000 [12] $ 397,236,000 [13] $ 402,423,000    
Percentage of Total Net Assets 34.40% [1],[12] 33.40% [2],[13]      
Affiliate investments | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 60,157,000 $ 48,918,000      
Cost 58,825,000 47,554,000      
Fair Value $ 58,696,000 $ 47,677,000      
Percentage of Total Net Assets 4.80% [1] 3.90% [2]      
Affiliate investments | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 337,583,000 $ 335,294,000      
Fair Value $ 350,241,000 $ 349,559,000      
Percentage of Total Net Assets 29.50% [1] 29.30% [2]      
Affiliate investments | Aerospace & Defense | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 12,139,000 $ 3,586,000      
Cost 12,139,000 3,586,000      
Fair Value $ 12,139,000 $ 3,586,000      
Percentage of Total Net Assets 1.00% [1] 0.30% [2]      
Affiliate investments | Aerospace & Defense | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 4,055,000 $ 1,195,000      
Fair Value $ 4,046,000 $ 1,195,000      
Percentage of Total Net Assets 0.30% [1] 0.10% [2]      
Affiliate investments | Banking, Finance, Insurance, & Real Estate | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 15,818,000 $ 14,636,000      
Cost 15,723,000 14,542,000      
Fair Value $ 15,818,000 $ 14,636,000      
Percentage of Total Net Assets 1.30% [1] 1.20% [2]      
Affiliate investments | Banking, Finance, Insurance, & Real Estate | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 178,154,000 $ 176,018,000      
Fair Value $ 222,446,000 $ 220,098,000      
Percentage of Total Net Assets 18.70% [1] 18.50% [2]      
Affiliate investments | Chemicals, Plastics, & Rubber | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 7,918,000 $ 6,414,000      
Cost 7,918,000 6,414,000      
Fair Value $ 7,654,000 $ 6,414,000      
Percentage of Total Net Assets 0.60% [1] 0.50% [2]      
Affiliate investments | Chemicals, Plastics, & Rubber | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 12,177,000 $ 12,177,000      
Fair Value $ 8,353,000 $ 11,262,000      
Percentage of Total Net Assets 0.70% [1] 0.90% [2]      
Affiliate investments | Hotel, Gaming, & Leisure | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 24,282,000 $ 24,282,000      
Cost 23,045,000 23,012,000      
Fair Value $ 23,085,000 $ 23,041,000      
Percentage of Total Net Assets 1.90% [1] 1.90% [2]      
Affiliate investments | Hotel, Gaming, & Leisure | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 16,495,000 $ 16,495,000      
Fair Value $ 19,983,000 $ 16,852,000      
Percentage of Total Net Assets 1.70% [1] 1.40% [2]      
Affiliate investments | Investment Funds & Vehicles | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 126,702,000 $ 129,409,000      
Fair Value $ 95,413,000 $ 100,152,000      
Percentage of Total Net Assets 8.10% [1] 8.40% [2]      
Control investments          
Schedule of Investments [Line Items]          
Cost $ 99,093,000 [14] $ 106,132,000 [15]      
Fair Value $ 85,252,000 [14] $ 79,663,000 [15] 90,920,000    
Percentage of Total Net Assets 7.20% [1],[14] 6.70% [2],[15]      
Control investments | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 75,290,000 $ 72,819,000      
Cost 44,168,000 43,741,000      
Fair Value $ 28,864,000 $ 28,216,000      
Percentage of Total Net Assets 2.30% [1] 2.30% [2]      
Control investments | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 54,925,000 $ 62,391,000      
Fair Value $ 56,388,000 $ 51,447,000      
Percentage of Total Net Assets 4.80% [1] 4.40% [2]      
Control investments | Automotive | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 19,173,000 $ 19,173,000      
Fair Value $ 13,944,000 $ 13,741,000      
Percentage of Total Net Assets 1.20% [1] 1.20% [2]      
Control investments | Capital Equipment | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 26,225,000 $ 25,472,000      
Cost 26,449,000 26,022,000      
Fair Value $ 26,225,000 $ 25,472,000      
Percentage of Total Net Assets 2.20% [1] 2.10% [2]      
Control investments | Capital Equipment | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 35,752,000 $ 35,752,000      
Fair Value $ 42,444,000 $ 37,695,000      
Percentage of Total Net Assets 3.60% [1] 3.20% [2]      
Control investments | Hotel, Gaming, & Leisure | Debt Investments          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 49,065,000 $ 47,347,000      
Cost 17,719,000 17,719,000      
Fair Value $ 2,639,000 $ 2,744,000      
Percentage of Total Net Assets 0.20% [1] 0.20% [2]      
Control investments | Hotel, Gaming, & Leisure | Equity Investments          
Schedule of Investments [Line Items]          
Cost $ 0 $ 0      
Fair Value $ 0 $ 0      
Percentage of Total Net Assets 0.00% [1] 0.00% [2]      
Control investments | Investment Funds & Vehicles | Equity Investments          
Schedule of Investments [Line Items]          
Cost   $ 7,466,000      
Fair Value   $ 11,000      
Percentage of Total Net Assets [2]   0.00%      
Investment, Identifier [Axis]: 1WorldSync, Inc., First Lien Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [16],[17],[18] 4.75%        
Interest [16],[17],[18] 9.20%        
Investment Owned, Balance, Principal Amount [16],[17],[18] $ 7,030,000        
Cost [16],[17],[18] 7,021,000        
Fair Value [16],[17],[18] $ 7,030,000        
Percentage of Total Net Assets [1],[16],[17],[18] 0.60%        
Investment, Identifier [Axis]: 1WorldSync, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [19],[20],[21]   4.75%      
Interest [19],[20],[21]   9.50%      
Investment Owned, Balance, Principal Amount [19],[20],[21]   $ 7,049,000      
Cost [19],[20],[21]   7,031,000      
Fair Value [19],[20],[21]   $ 7,049,000      
Percentage of Total Net Assets [2],[19],[20],[21]   0.60%      
Investment, Identifier [Axis]: A.T. Holdings II LTD, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.70% [4],[18],[22] 6.70% [6],[21],[23]      
Investment, interest rate, paid in kind 7.60% [4],[18],[22] 7.60% [6],[21],[23]      
Investment Owned, Balance, Principal Amount $ 13,159,000 [4],[18],[22] $ 12,886,000 [6],[21],[23]      
Cost 11,875,000 [4],[18],[22] 11,875,000 [6],[21],[23]      
Fair Value $ 8,303,000 [4],[18],[22] $ 8,479,000 [6],[21],[23]      
Percentage of Total Net Assets 0.70% [1],[4],[18],[22] 0.70% [2],[6],[21],[23]      
Investment, Identifier [Axis]: AD Bidco, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.25% [16],[17],[18],[24] 5.25% [7],[19],[20],[21]      
Interest 9.50% [16],[17],[18],[24] 9.60% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 10,073,000 [16],[17],[18],[24] $ 10,099,000 [7],[19],[20],[21]      
Cost 9,781,000 [16],[17],[18],[24] 9,794,000 [7],[19],[20],[21]      
Fair Value $ 10,073,000 [16],[17],[18],[24] $ 10,099,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.80% [1],[16],[17],[18],[24] 0.80% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: AD Bidco, Inc., Revolver          
Schedule of Investments [Line Items]          
Interest 5.25% [16],[17],[18],[24] 5.25% [7],[19],[20],[21]      
Interest 9.50% [16],[17],[18],[24] 9.60% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost (27,000) [16],[17],[18],[24] (28,000) [7],[19],[20],[21]      
Fair Value $ 0 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: ADB Safegate, Second Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 9.25% [4],[16],[17] 9.25% [6],[19],[20],[21]      
Interest 13.60% [4],[16],[17] 13.70% [6],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 7,581,000 [4],[16],[17] $ 7,329,000 [6],[19],[20],[21]      
Cost 7,514,000 [4],[16],[17] 7,232,000 [6],[19],[20],[21]      
Fair Value $ 7,315,000 [4],[16],[17] $ 6,523,000 [6],[19],[20],[21]      
Percentage of Total Net Assets 0.60% [1],[4],[16],[17] 0.50% [2],[6],[19],[20],[21]      
Investment, Identifier [Axis]: AIT Worldwide Logistics Holdings, Inc., Partnership Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 348.68 [10],[18] 348.68 [11],[21]      
Cost $ 349,000 [10],[18] $ 349,000 [11],[21]      
Fair Value $ 587,000 [10],[18] $ 550,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: AMMC CLO 22, Limited Series 2018-22A, Subordinated Structured Notes          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 7,222,000 [4],[8],[18] $ 7,222,000 [6],[9],[21]      
Cost 1,188,000 [4],[8],[18] 2,439,000 [6],[9],[21]      
Fair Value $ 469,000 [4],[8],[18] $ 1,733,000 [6],[9],[21]      
Percentage of Total Net Assets 0.00% [1],[4],[8],[18] 0.10% [2],[6],[9],[21]      
Investment, interest, current yield 0.00% [4],[8],[18] 0.00% [6],[9],[21]      
Investment, Identifier [Axis]: APC1 Holding, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.40% [4],[17],[18],[25] 5.40% [6],[20],[21],[26]      
Interest 7.60% [4],[17],[18],[25] 8.70% [6],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 2,484,000 [4],[17],[18],[25] $ 2,382,000 [6],[20],[21],[26]      
Cost 2,327,000 [4],[17],[18],[25] 2,324,000 [6],[20],[21],[26]      
Fair Value $ 2,484,000 [4],[17],[18],[25] $ 2,370,000 [6],[20],[21],[26]      
Percentage of Total Net Assets 0.20% [1],[4],[17],[18],[25] 0.20% [2],[6],[20],[21],[26]      
Investment, Identifier [Axis]: APOG Bidco Pty Ltd, Second Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [6],[20],[21],[27]   7.30%      
Interest [6],[20],[21],[27]   12.00%      
Investment Owned, Balance, Principal Amount [6],[20],[21],[27]   $ 864,000      
Cost [6],[20],[21],[27]   1,030,000      
Fair Value [6],[20],[21],[27]   $ 864,000      
Percentage of Total Net Assets [2],[6],[20],[21],[27]   0.10%      
Investment, Identifier [Axis]: ASC Communications, LLC, Class A Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 25,718.2 [10],[18] 25,718.2 [21]      
Cost $ 539,000 [10],[18] $ 539,000 [21]      
Fair Value $ 935,000 [10],[18] $ 869,000 [21]      
Percentage of Total Net Assets 0.10% [1],[10],[18] 0.10% [2],[21]      
Investment, Identifier [Axis]: ASC Communications, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.75% [17],[18],[28] 4.75% [20],[21],[29]      
Interest 9.20% [17],[18],[28] 9.40% [20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 6,601,000 [17],[18],[28] $ 7,344,000 [20],[21],[29]      
Cost 6,546,000 [17],[18],[28] 7,277,000 [20],[21],[29]      
Fair Value $ 6,601,000 [17],[18],[28] $ 7,344,000 [20],[21],[29]      
Percentage of Total Net Assets 0.60% [1],[17],[18],[28] 0.60% [2],[20],[21],[29]      
Investment, Identifier [Axis]: ASC Communications, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 4.75% [17],[18],[24],[28] 4.75% [7],[20],[21],[29]      
Interest 9.20% [17],[18],[24],[28] 9.40% [7],[20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 0 [17],[18],[24],[28] $ 0 [7],[20],[21],[29]      
Cost (8,000) [17],[18],[24],[28] (9,000) [7],[20],[21],[29]      
Fair Value $ 0 [17],[18],[24],[28] $ 0 [7],[20],[21],[29]      
Percentage of Total Net Assets 0.00% [1],[17],[18],[24],[28] 0.00% [2],[7],[20],[21],[29]      
Investment, Identifier [Axis]: ATL II MRO Holdings Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.50% [16],[17],[18] 5.25% [19],[20],[21]      
Interest 9.80% [16],[17],[18] 9.80% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 19,263,000 [16],[17],[18] $ 19,311,000 [19],[20],[21]      
Cost 18,964,000 [16],[17],[18] 18,994,000 [19],[20],[21]      
Fair Value $ 19,013,000 [16],[17],[18] $ 19,021,000 [19],[20],[21]      
Percentage of Total Net Assets 1.60% [1],[16],[17],[18] 1.60% [2],[19],[20],[21]      
Investment, Identifier [Axis]: ATL II MRO Holdings Inc., Revolver          
Schedule of Investments [Line Items]          
Interest 5.50% [16],[17],[18],[24] 5.25% [7],[19],[20],[21]      
Interest 9.80% [16],[17],[18],[24] 9.80% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost (47,000) [16],[17],[18],[24] (50,000) [7],[19],[20],[21]      
Fair Value $ (43,000) [16],[17],[18],[24] $ (49,000) [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: AVSC Holding Corp., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [17],[18],[28] 5.50%        
Interest [17],[18],[28] 10.20%        
Investment Owned, Balance, Principal Amount [17],[18],[28] $ 2,000        
Cost [17],[18],[28] 2,000        
Fair Value [17],[18],[28] $ 2,000        
Percentage of Total Net Assets [1],[17],[18],[28] 0.00%        
Investment, Identifier [Axis]: AVSC Holding Corp., First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest [20],[29]   3.50%      
Interest [20],[29]   8.20%      
Investment Owned, Balance, Principal Amount [20],[29]   $ 148,000      
Cost [20],[29]   148,000      
Fair Value [20],[29]   $ 148,000      
Percentage of Total Net Assets [2],[20],[29]   0.00%      
Investment, Identifier [Axis]: AVSC Holding Corp., First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest [20],[29]   5.50%      
Interest [20],[29]   10.20%      
Investment Owned, Balance, Principal Amount [20],[29]   $ 2,000      
Cost [20],[29]   2,000      
Fair Value [20],[29]   $ 2,000      
Percentage of Total Net Assets [2],[20],[29]   0.00%      
Investment, Identifier [Axis]: Accelerant Holdings, Class A Convertible Preferred Equity          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 5,018 [10],[18] 5,018 [11],[21]      
Cost $ 5,000,000 [10],[18] $ 5,000,000 [11],[21]      
Fair Value $ 6,472,000 [10],[18] $ 6,347,000 [11],[21]      
Percentage of Total Net Assets 0.50% [1],[10],[18] 0.50% [2],[11],[21]      
Investment, Identifier [Axis]: Accelerant Holdings, Class B Convertible Preferred Equity          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 1,657 [10],[18] 1,657 [11],[21]      
Cost $ 1,667,000 [10],[18] $ 1,667,000 [11],[21]      
Fair Value $ 2,375,000 [10],[18] $ 2,285,000 [11],[21]      
Percentage of Total Net Assets 0.20% [1],[10],[18] 0.20% [2],[11],[21]      
Investment, Identifier [Axis]: Accelerant Holdings, Preferred Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 4,243 [10],[18] 4,243 [11],[21]      
Cost $ 7,840,000 [10],[18] $ 7,840,000 [11],[21]      
Fair Value $ 8,287,000 [10],[18] $ 7,840,000 [11],[21]      
Percentage of Total Net Assets 0.70% [1],[10],[18] 0.70% [2],[11],[21]      
Investment, Identifier [Axis]: Accelevation LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [17],[18],[24],[28] 5.00%        
Interest [17],[18],[24],[28] 9.30%        
Investment Owned, Balance, Principal Amount [17],[18],[24],[28] $ 3,001,000        
Cost [17],[18],[24],[28] 2,941,000        
Fair Value [17],[18],[24],[28] $ 2,939,000        
Percentage of Total Net Assets [1],[17],[18],[24],[28] 0.20%        
Investment, Identifier [Axis]: Accelevation LLC, Revolver          
Schedule of Investments [Line Items]          
Interest [17],[18],[24],[28] 5.00%        
Interest [17],[18],[24],[28] 9.30%        
Investment Owned, Balance, Principal Amount [17],[18],[24],[28] $ 118,000        
Cost [17],[18],[24],[28] 104,000        
Fair Value [17],[18],[24],[28] $ 104,000        
Percentage of Total Net Assets [1],[17],[18],[24],[28] 0.00%        
Investment, Identifier [Axis]: Acclime Holdings HK Limited, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.38% [4],[17],[18],[30] 6.75% [6],[20],[21],[31]      
Interest 10.70% [4],[17],[18],[30] 11.80% [6],[20],[21],[31]      
Investment Owned, Balance, Principal Amount $ 2,500,000 [4],[17],[18],[30] $ 2,500,000 [6],[20],[21],[31]      
Cost 2,470,000 [4],[17],[18],[30] 2,467,000 [6],[20],[21],[31]      
Fair Value $ 2,470,000 [4],[17],[18],[30] $ 2,438,000 [6],[20],[21],[31]      
Percentage of Total Net Assets 0.20% [1],[4],[17],[18],[30] 0.20% [2],[6],[20],[21],[31]      
Investment, Identifier [Axis]: Accurus Aerospace Corporation, Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 437,623.3 [10],[18] 437,623.3 [11],[21]      
Cost $ 438,000 [10],[18] $ 438,000 [11],[21]      
Fair Value $ 0 [10],[18] $ 0 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Accurus Aerospace Corporation, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.75% [16],[17],[18] 5.75% [19],[20],[21]      
Interest 10.20% [16],[17],[18] 10.30% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 11,978,000 [16],[17],[18] $ 12,008,000 [19],[20],[21]      
Cost 11,876,000 [16],[17],[18] 11,900,000 [19],[20],[21]      
Fair Value $ 11,738,000 [16],[17],[18] $ 11,612,000 [19],[20],[21]      
Percentage of Total Net Assets 1.00% [1],[16],[17],[18] 1.00% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Accurus Aerospace Corporation, Revolver          
Schedule of Investments [Line Items]          
Interest 5.75% [16],[17],[18],[24] 5.75% [7],[19],[20],[21]      
Interest 10.20% [16],[17],[18],[24] 10.30% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 2,448,000 [16],[17],[18],[24] $ 1,844,000 [7],[19],[20],[21]      
Cost 2,426,000 [16],[17],[18],[24] 1,825,000 [7],[19],[20],[21]      
Fair Value $ 2,398,000 [16],[17],[18],[24] $ 1,768,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.20% [1],[16],[17],[18],[24] 0.10% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Acogroup, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 2.90% [4],[17],[18],[25] 2.90% [6],[20],[21],[32]      
Interest 4.00% [4],[17],[18],[25] 4.00% [6],[20],[21],[32]      
Investment, interest rate, paid in kind 6.40% [4],[17],[18],[25] 6.60% [6],[20],[21],[32]      
Investment Owned, Balance, Principal Amount $ 7,921,000 [4],[17],[18],[25] $ 7,354,000 [6],[20],[21],[32]      
Cost 7,957,000 [4],[17],[18],[25] 7,708,000 [6],[20],[21],[32]      
Fair Value $ 5,497,000 [4],[17],[18],[25] $ 5,412,000 [6],[20],[21],[32]      
Percentage of Total Net Assets 0.50% [1],[4],[17],[18],[25] 0.50% [2],[6],[20],[21],[32]      
Investment, Identifier [Axis]: Adhefin International, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.75% [4],[17],[18],[24],[25] 5.75% [6],[7],[20],[21],[26]      
Interest 8.10% [4],[17],[18],[24],[25] 9.10% [6],[7],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 1,790,000 [4],[17],[18],[24],[25] $ 1,716,000 [6],[7],[20],[21],[26]      
Cost 1,770,000 [4],[17],[18],[24],[25] 1,768,000 [6],[7],[20],[21],[26]      
Fair Value $ 1,784,000 [4],[17],[18],[24],[25] $ 1,716,000 [6],[7],[20],[21],[26]      
Percentage of Total Net Assets 0.20% [1],[4],[17],[18],[24],[25] 0.10% [2],[6],[7],[20],[21],[26]      
Investment, Identifier [Axis]: Adhefin International, Subordinated Term Loan          
Schedule of Investments [Line Items]          
Interest 10.50% [4],[17],[18],[25] 10.50% [6],[20],[21],[26]      
Investment, interest rate, paid in kind 14.40% [4],[17],[18],[25] 13.20% [6],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 345,000 [4],[17],[18],[25] $ 330,000 [6],[20],[21],[26]      
Cost 342,000 [4],[17],[18],[25] 341,000 [6],[20],[21],[26]      
Fair Value $ 345,000 [4],[17],[18],[25] $ 326,000 [6],[20],[21],[26]      
Percentage of Total Net Assets 0.00% [1],[4],[17],[18],[25] 0.00% [2],[6],[20],[21],[26]      
Investment, Identifier [Axis]: Advantage Software Company (The), LLC, Class A1 Partnership Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 8,717.76 [10],[18] 8,717.76 [11],[21]      
Cost $ 280,000 [10],[18] $ 280,000 [11],[21]      
Fair Value $ 581,000 [10],[18] $ 593,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Advantage Software Company (The), LLC, Class A2 Partnership Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 2,248.46 [10],[18] 2,248.46 [11],[21]      
Cost $ 72,000 [10],[18] $ 72,000 [11],[21]      
Fair Value $ 150,000 [10],[18] $ 153,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Advantage Software Company (The), LLC, Class B1 Partnership Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 8,717.76 [10],[18] 8,717.76 [11],[21]      
Cost $ 9,000 [10],[18] $ 9,000 [11],[21]      
Fair Value $ 0 [10],[18] $ 0 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Advantage Software Company (The), LLC, Class B2 Partnership Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 2,248.46 [10],[18] 2,248.46 [11],[21]      
Cost $ 2,000 [10],[18] $ 2,000 [11],[21]      
Fair Value $ 0 [10],[18] $ 0 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Air Canada 2020-2 Class B Pass Through Trust, Structured Secured Note - Class B          
Schedule of Investments [Line Items]          
Interest 9.00% 9.00%      
Investment Owned, Balance, Principal Amount $ 2,370,000 $ 2,370,000      
Cost 2,370,000 2,370,000      
Fair Value $ 2,393,000 $ 2,411,000      
Percentage of Total Net Assets 0.20% [1] 0.20% [2]      
Investment, Identifier [Axis]: AirX Climate Solutions, Inc., First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18] 5.00% [19],[20],[21]      
Interest 9.30% [16],[17],[18] 9.40% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 3,298,000 [16],[17],[18] $ 2,745,000 [19],[20],[21]      
Cost 3,254,000 [16],[17],[18] 2,707,000 [19],[20],[21]      
Fair Value $ 3,260,000 [16],[17],[18] $ 2,710,000 [19],[20],[21]      
Percentage of Total Net Assets 0.30% [1],[16],[17],[18] 0.20% [2],[19],[20],[21]      
Investment, Identifier [Axis]: AirX Climate Solutions, Inc., First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 5.75% [16],[17],[18],[24] 5.75% [7],[19],[20],[21]      
Interest 10.10% [16],[17],[18],[24] 10.20% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 3,298,000 [16],[17],[18],[24] $ 3,866,000 [7],[19],[20],[21]      
Cost 3,198,000 [16],[17],[18],[24] 3,754,000 [7],[19],[20],[21]      
Fair Value $ 3,270,000 [16],[17],[18],[24] $ 3,828,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.30% [1],[16],[17],[18],[24] 0.30% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: AirX Climate Solutions, Inc., Revolver          
Schedule of Investments [Line Items]          
Interest 5.75% [16],[17],[18],[24] 5.75% [7],[19],[20],[21]      
Interest 10.10% [16],[17],[18],[24] 10.20% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost (14,000) [16],[17],[18],[24] (15,000) [7],[19],[20],[21]      
Fair Value $ 0 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: AlliA Insurance Brokers NV, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 7.00% [4],[17],[18],[24],[25] 5.75% [6],[7],[20],[21],[32]      
Interest 9.40% [4],[17],[18],[24],[25] 8.90% [6],[7],[20],[21],[32]      
Investment Owned, Balance, Principal Amount $ 4,797,000 [4],[17],[18],[24],[25] $ 4,598,000 [6],[7],[20],[21],[32]      
Cost 4,650,000 [4],[17],[18],[24],[25] 4,646,000 [6],[7],[20],[21],[32]      
Fair Value $ 4,797,000 [4],[17],[18],[24],[25] $ 4,569,000 [6],[7],[20],[21],[32]      
Percentage of Total Net Assets 0.40% [1],[4],[17],[18],[24],[25] 0.40% [2],[6],[7],[20],[21],[32]      
Investment, Identifier [Axis]: Alpine SG, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.50% [8],[16],[17],[18] 6.00% [9],[19],[20],[21]      
Interest 10.90% [8],[16],[17],[18] 10.70% [9],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 12,775,000 [8],[16],[17],[18] $ 23,123,000 [9],[19],[20],[21]      
Cost 12,522,000 [8],[16],[17],[18] 22,664,000 [9],[19],[20],[21]      
Fair Value $ 12,775,000 [8],[16],[17],[18] $ 22,949,000 [9],[19],[20],[21]      
Percentage of Total Net Assets 1.10% [1],[8],[16],[17],[18] 1.90% [2],[9],[19],[20],[21]      
Investment, Identifier [Axis]: Amalfi Midco, Class B Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 98,906,608 [4],[10],[18] 98,906,608 [6],[11],[21]      
Cost $ 1,115,000 [4],[10],[18] $ 1,115,000 [6],[11],[21]      
Fair Value $ 2,553,000 [4],[10],[18] $ 1,239,000 [6],[11],[21]      
Percentage of Total Net Assets 0.20% [1],[4],[10],[18] 0.10% [2],[6],[11],[21]      
Investment, Identifier [Axis]: Amalfi Midco, Second Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [6],[21]   17.50%      
Investment, interest rate, paid in kind [4],[18] 17.50%        
Investment Owned, Balance, Principal Amount $ 299,000 [4],[18] $ 290,000 [6],[21]      
Cost 301,000 [4],[18] 301,000 [6],[21]      
Fair Value $ 311,000 [4],[18] $ 290,000 [6],[21]      
Percentage of Total Net Assets 0.00% [1],[4],[18] 0.00% [2],[6],[21]      
Investment, Identifier [Axis]: Amalfi Midco, Subordinated Loan Notes          
Schedule of Investments [Line Items]          
Interest 2.00% [4],[18] 2.00% [6],[21]      
Investment, interest rate, paid in kind 9.00% [4],[18] 9.00% [6],[21]      
Investment Owned, Balance, Principal Amount $ 6,125,000 [4],[18] $ 5,943,000 [6],[21]      
Cost 5,415,000 [4],[18] 5,416,000 [6],[21]      
Fair Value $ 5,819,000 [4],[18] $ 5,492,000 [6],[21]      
Percentage of Total Net Assets 0.50% [1],[4],[18] 0.50% [2],[6],[21]      
Investment, Identifier [Axis]: Amalfi Midco, Warrants          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 380,385 [4],[10],[18] 380,385 [6],[11],[21]      
Cost $ 4,000 [4],[10],[18] $ 4,000 [6],[11],[21]      
Fair Value $ 1,075,000 [4],[10],[18] $ 919,000 [6],[11],[21]      
Percentage of Total Net Assets 0.10% [1],[4],[10],[18] 0.10% [2],[6],[11],[21]      
Investment, Identifier [Axis]: Americo Chemical Products, LLC, Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 88,110 [10],[18] 88,110 [11],[21]      
Cost $ 88,000 [10],[18] $ 88,000 [11],[21]      
Fair Value $ 120,000 [10],[18] $ 119,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Americo Chemical Products, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [17],[18],[28] 5.00% [20],[21],[29]      
Interest 9.30% [17],[18],[28] 9.60% [20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 2,604,000 [17],[18],[28] $ 2,651,000 [20],[21],[29]      
Cost 2,560,000 [17],[18],[28] 2,604,000 [20],[21],[29]      
Fair Value $ 2,557,000 [17],[18],[28] $ 2,611,000 [20],[21],[29]      
Percentage of Total Net Assets 0.20% [1],[17],[18],[28] 0.20% [2],[20],[21],[29]      
Investment, Identifier [Axis]: Americo Chemical Products, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 5.00% [17],[18],[24],[28] 5.00% [7],[20],[21],[29]      
Interest 9.30% [17],[18],[24],[28] 9.60% [7],[20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 0 [17],[18],[24],[28] $ 0 [7],[20],[21],[29]      
Cost (8,000) [17],[18],[24],[28] (9,000) [7],[20],[21],[29]      
Fair Value $ (8,000) [17],[18],[24],[28] $ (7,000) [7],[20],[21],[29]      
Percentage of Total Net Assets 0.00% [1],[17],[18],[24],[28] 0.00% [2],[7],[20],[21],[29]      
Investment, Identifier [Axis]: AnalytiChem Holding GmbH, First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 6.08% [4],[17],[18],[25] 6.20% [6],[20],[21],[26]      
Interest 8.60% [4],[17],[18],[25] 9.30% [6],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 4,109,000 [4],[17],[18],[25] $ 3,025,000 [6],[20],[21],[26]      
Cost 4,141,000 [4],[17],[18],[25] 3,192,000 [6],[20],[21],[26]      
Fair Value $ 4,076,000 [4],[17],[18],[25] $ 2,995,000 [6],[20],[21],[26]      
Percentage of Total Net Assets 0.30% [1],[4],[17],[18],[25] 0.30% [2],[6],[20],[21],[26]      
Investment, Identifier [Axis]: AnalytiChem Holding GmbH, First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 6.83% [4],[17],[18],[33] 6.20% [6],[20],[21],[32]      
Interest 10.10% [4],[17],[18],[33] 9.90% [6],[20],[21],[32]      
Investment Owned, Balance, Principal Amount $ 1,657,000 [4],[17],[18],[33] $ 1,589,000 [6],[20],[21],[32]      
Cost 1,594,000 [4],[17],[18],[33] 1,592,000 [6],[20],[21],[32]      
Fair Value $ 1,657,000 [4],[17],[18],[33] $ 1,576,000 [6],[20],[21],[32]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[33] 0.10% [2],[6],[20],[21],[32]      
Investment, Identifier [Axis]: AnalytiChem Holding GmbH, First Lien Senior Secured Term Loan 3          
Schedule of Investments [Line Items]          
Interest 6.08% [4],[16],[17],[18] 6.95% [6],[20],[21],[32]      
Interest 10.70% [4],[16],[17],[18] 10.70% [6],[20],[21],[32]      
Investment Owned, Balance, Principal Amount $ 1,019,000 [4],[16],[17],[18] $ 913,000 [6],[20],[21],[32]      
Cost 1,019,000 [4],[16],[17],[18] 947,000 [6],[20],[21],[32]      
Fair Value $ 1,011,000 [4],[16],[17],[18] $ 904,000 [6],[20],[21],[32]      
Percentage of Total Net Assets 0.10% [1],[4],[16],[17],[18] 0.10% [2],[6],[20],[21],[32]      
Investment, Identifier [Axis]: AnalytiChem Holding GmbH, First Lien Senior Secured Term Loan 4          
Schedule of Investments [Line Items]          
Interest [6],[19],[20],[21]   6.20%      
Interest [6],[19],[20],[21]   11.50%      
Investment Owned, Balance, Principal Amount [6],[19],[20],[21]   $ 1,019,000      
Cost [6],[19],[20],[21]   1,019,000      
Fair Value [6],[19],[20],[21]   $ 1,008,000      
Percentage of Total Net Assets [2],[6],[19],[20],[21]   0.10%      
Investment, Identifier [Axis]: Apex Bidco Limited, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [6],[20],[21],[34]   6.25%      
Interest [6],[20],[21],[34]   11.30%      
Investment Owned, Balance, Principal Amount [6],[20],[21],[34]   $ 3,200,000      
Cost [6],[20],[21],[34]   3,206,000      
Fair Value [6],[20],[21],[34]   $ 3,180,000      
Percentage of Total Net Assets [2],[6],[20],[21],[34]   0.30%      
Investment, Identifier [Axis]: Apex Bidco Limited, First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest [4],[17],[18],[35] 6.50%        
Interest [4],[17],[18],[35] 11.10%        
Investment Owned, Balance, Principal Amount [4],[17],[18],[35] $ 1,881,000        
Cost [4],[17],[18],[35] 1,894,000        
Fair Value [4],[17],[18],[35] $ 1,830,000        
Percentage of Total Net Assets [1],[4],[17],[18],[35] 0.20%        
Investment, Identifier [Axis]: Apex Bidco Limited, First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest [4],[17],[18],[35] 7.00%        
Interest [4],[17],[18],[35] 11.60%        
Investment Owned, Balance, Principal Amount [4],[17],[18],[35] $ 1,417,000        
Cost [4],[17],[18],[35] 1,317,000        
Fair Value [4],[17],[18],[35] $ 1,399,000        
Percentage of Total Net Assets [1],[4],[17],[18],[35] 0.10%        
Investment, Identifier [Axis]: Apex Bidco Limited, Subordinated Senior Unsecured Term Loan          
Schedule of Investments [Line Items]          
Investment, interest rate, paid in kind 8.00% [4],[18] 8.00% [6],[21]      
Investment Owned, Balance, Principal Amount $ 340,000 [4],[18] $ 324,000 [6],[21]      
Cost 340,000 [4],[18] 333,000 [6],[21]      
Fair Value $ 310,000 [4],[18] $ 297,000 [6],[21]      
Percentage of Total Net Assets 0.00% [1],[4],[18] 0.00% [2],[6],[21]      
Investment, Identifier [Axis]: Apidos CLO XXIV, Series 2016-24A, Subordinated Structured Notes          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 18,358,000 [4],[8] $ 18,358,000 [6],[9]      
Cost 3,561,000 [4],[8] 3,527,000 [6],[9]      
Fair Value $ 2,429,000 [4],[8] $ 3,272,000 [6],[9]      
Percentage of Total Net Assets 0.20% [1],[4],[8] 0.30% [2],[6],[9]      
Investment, interest, current yield 88.40% [4],[8] 57.25% [6],[9]      
Investment, Identifier [Axis]: Aptus 1829. GmbH, Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 48 [4],[10],[18] 48 [6],[11],[21]      
Cost $ 12,000 [4],[10],[18] $ 12,000 [6],[11],[21]      
Fair Value $ 0 [4],[10],[18] $ 0 [6],[11],[21]      
Percentage of Total Net Assets 0.00% [1],[4],[10],[18] 0.00% [2],[6],[11],[21]      
Investment, Identifier [Axis]: Aptus 1829. GmbH, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.75% [4],[17],[18],[33] 5.75% [6],[20],[21],[32]      
Interest 8.30% [4],[17],[18],[33] 8.40% [6],[20],[21],[32]      
Investment Owned, Balance, Principal Amount $ 2,324,000 [4],[17],[18],[33] $ 2,228,000 [6],[20],[21],[32]      
Cost 2,486,000 [4],[17],[18],[33] 2,484,000 [6],[20],[21],[32]      
Fair Value $ 2,082,000 [4],[17],[18],[33] $ 1,994,000 [6],[20],[21],[32]      
Percentage of Total Net Assets 0.20% [1],[4],[17],[18],[33] 0.20% [2],[6],[20],[21],[32]      
Investment, Identifier [Axis]: Aptus 1829. GmbH, Preferred Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 13 [4],[10],[18] 13 [6],[11],[21]      
Cost $ 120,000 [4],[10],[18] $ 120,000 [6],[11],[21]      
Fair Value $ 49,000 [4],[10],[18] $ 40,000 [6],[11],[21]      
Percentage of Total Net Assets 0.00% [1],[4],[10],[18] 0.00% [2],[6],[11],[21]      
Investment, Identifier [Axis]: Apus Bidco Limited, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.50% [4],[17],[18],[36] 5.50% [6],[20],[21],[37]      
Interest 10.20% [4],[17],[18],[36] 10.70% [6],[20],[21],[37]      
Investment Owned, Balance, Principal Amount $ 3,718,000 [4],[17],[18],[36] $ 3,608,000 [6],[20],[21],[37]      
Cost 3,917,000 [4],[17],[18],[36] 3,913,000 [6],[20],[21],[37]      
Fair Value $ 3,718,000 [4],[17],[18],[36] $ 3,608,000 [6],[20],[21],[37]      
Percentage of Total Net Assets 0.30% [1],[4],[17],[18],[36] 0.30% [2],[6],[20],[21],[37]      
Investment, Identifier [Axis]: Aquavista Watersides 2 LTD, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.00% [4],[17],[18],[36] 6.00% [6],[7],[20],[21],[34]      
Interest 10.60% [4],[17],[18],[36] 10.60% [6],[7],[20],[21],[34]      
Investment Owned, Balance, Principal Amount $ 6,507,000 [4],[17],[18],[36] $ 6,314,000 [6],[7],[20],[21],[34]      
Cost 6,541,000 [4],[17],[18],[36] 6,492,000 [6],[7],[20],[21],[34]      
Fair Value $ 6,481,000 [4],[17],[18],[36] $ 6,314,000 [6],[7],[20],[21],[34]      
Percentage of Total Net Assets 0.50% [1],[4],[17],[18],[36] 0.50% [2],[6],[7],[20],[21],[34]      
Investment, Identifier [Axis]: Aquavista Watersides 2 LTD, Second Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 10.50% [4],[17],[18],[36] 10.50% [6],[20],[21],[34]      
Investment, interest rate, paid in kind 15.60% [4],[17],[18],[36] 15.10% [6],[20],[21],[34]      
Investment Owned, Balance, Principal Amount $ 2,184,000 [4],[17],[18],[36] $ 2,119,000 [6],[20],[21],[34]      
Cost 2,188,000 [4],[17],[18],[36] 2,187,000 [6],[20],[21],[34]      
Fair Value $ 2,166,000 [4],[17],[18],[36] $ 2,119,000 [6],[20],[21],[34]      
Percentage of Total Net Assets 0.20% [1],[4],[17],[18],[36] 0.20% [2],[6],[20],[21],[34]      
Investment, Identifier [Axis]: Arc Education, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.65% [4],[17],[18],[24],[25] 5.97% [6],[7],[20],[21],[26]      
Interest 8.00% [4],[17],[18],[24],[25] 9.30% [6],[7],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 3,994,000 [4],[17],[18],[24],[25] $ 3,829,000 [6],[7],[20],[21],[26]      
Cost 3,716,000 [4],[17],[18],[24],[25] 3,712,000 [6],[7],[20],[21],[26]      
Fair Value $ 3,982,000 [4],[17],[18],[24],[25] $ 3,807,000 [6],[7],[20],[21],[26]      
Percentage of Total Net Assets 0.30% [1],[4],[17],[18],[24],[25] 0.30% [2],[6],[7],[20],[21],[26]      
Investment, Identifier [Axis]: Arch Global Precision LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.75% [16],[17],[18] 4.75% [19],[20],[21]      
Interest 9.10% [16],[17],[18] 9.50% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 8,966,000 [16],[17],[18] $ 8,966,000 [19],[20],[21]      
Cost 8,966,000 [16],[17],[18] 8,966,000 [19],[20],[21]      
Fair Value $ 8,805,000 [16],[17],[18] $ 8,769,000 [19],[20],[21]      
Percentage of Total Net Assets 0.70% [1],[16],[17],[18] 0.70% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Archimede, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.50% [4],[17],[18],[25] 6.50% [6],[20],[21],[26]      
Interest 8.90% [4],[17],[18],[25] 9.80% [6],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 6,373,000 [4],[17],[18],[25] $ 6,109,000 [6],[20],[21],[26]      
Cost 6,503,000 [4],[17],[18],[25] 6,498,000 [6],[20],[21],[26]      
Fair Value $ 6,042,000 [4],[17],[18],[25] $ 5,676,000 [6],[20],[21],[26]      
Percentage of Total Net Assets 0.50% [1],[4],[17],[18],[25] 0.50% [2],[6],[20],[21],[26]      
Investment, Identifier [Axis]: Argus Bidco Limited, Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 464 [4],[10],[18] 464 [6],[11],[21]      
Cost $ 1,000 [4],[10],[18] $ 1,000 [6],[11],[21]      
Fair Value $ 0 [4],[10],[18] $ 0 [6],[11],[21]      
Percentage of Total Net Assets 0.00% [1],[4],[10],[18] 0.00% [2],[6],[11],[21]      
Investment, Identifier [Axis]: Argus Bidco Limited, Equity Loan Notes          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 41,560 [4],[18] 41,560 [6],[21]      
Investment, interest rate, paid in kind 10.00% [4],[18] 10.00% [6],[21]      
Cost $ 63,000 [4],[18] $ 63,000 [6],[21]      
Fair Value $ 31,000 [4],[18] $ 33,000 [6],[21]      
Percentage of Total Net Assets 0.00% [1],[4],[18] 0.00% [2],[6],[21]      
Investment, Identifier [Axis]: Argus Bidco Limited, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [4],[17],[18],[24],[36] 4.00%        
Interest [4],[17],[18],[24],[36] 8.90%        
Investment, interest rate, paid in kind [4],[17],[18],[24],[36] 2.80%        
Investment Owned, Balance, Principal Amount [4],[17],[18],[24],[36] $ 1,772,000        
Cost [4],[17],[18],[24],[36] 1,597,000        
Fair Value [4],[17],[18],[24],[36] $ 1,607,000        
Percentage of Total Net Assets [1],[4],[17],[18],[24],[36] 0.10%        
Investment, Identifier [Axis]: Argus Bidco Limited, First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 4.00% [4],[17],[18],[33] 4.00% [6],[20],[21],[26]      
Interest 7.20% [4],[17],[18],[33] 7.20% [6],[20],[21],[26]      
Investment, interest rate, paid in kind 2.80% [4],[17],[18],[33] 2.80% [6],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 1,978,000 [4],[17],[18],[33] $ 1,896,000 [6],[20],[21],[26]      
Cost 1,876,000 [4],[17],[18],[33] 1,875,000 [6],[20],[21],[26]      
Fair Value $ 1,826,000 [4],[17],[18],[33] $ 1,773,000 [6],[20],[21],[26]      
Percentage of Total Net Assets 0.20% [1],[4],[17],[18],[33] 0.10% [2],[6],[20],[21],[26]      
Investment, Identifier [Axis]: Argus Bidco Limited, First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 4.00% [4],[17],[18],[30] 4.00% [6],[19],[20],[21]      
Interest 8.80% [4],[17],[18],[30] 8.80% [6],[19],[20],[21]      
Investment, interest rate, paid in kind 3.30% [4],[17],[18],[30] 2.80% [6],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 136,000 [4],[17],[18],[30] $ 136,000 [6],[19],[20],[21]      
Cost 134,000 [4],[17],[18],[30] 133,000 [6],[19],[20],[21]      
Fair Value $ 125,000 [4],[17],[18],[30] $ 127,000 [6],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[4],[17],[18],[30] 0.00% [2],[6],[19],[20],[21]      
Investment, Identifier [Axis]: Argus Bidco Limited, First Lien Senior Secured Term Loan 3          
Schedule of Investments [Line Items]          
Interest [6],[7],[20],[21],[34]   4.00%      
Interest [6],[7],[20],[21],[34]   8.90%      
Investment, interest rate, paid in kind [6],[7],[20],[21],[34]   2.80%      
Investment Owned, Balance, Principal Amount [6],[7],[20],[21],[34]   $ 1,719,000      
Cost [6],[7],[20],[21],[34]   1,596,000      
Fair Value [6],[7],[20],[21],[34]   $ 1,584,000      
Percentage of Total Net Assets [2],[6],[7],[20],[21],[34]   0.10%      
Investment, Identifier [Axis]: Argus Bidco Limited, Preferred Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 41,560 [4],[18] 41,560 [6],[21]      
Investment, interest rate, paid in kind 10.00% [4],[18] 10.00% [6],[21]      
Cost $ 63,000 [4],[18] $ 63,000 [6],[21]      
Fair Value $ 31,000 [4],[18] $ 33,000 [6],[21]      
Percentage of Total Net Assets 0.00% [1],[4],[18] 0.00% [2],[6],[21]      
Investment, Identifier [Axis]: Argus Bidco Limited, Second Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Investment, interest rate, paid in kind 10.50% [4],[18] 10.50% [6],[21]      
Investment Owned, Balance, Principal Amount $ 871,000 [4],[18] $ 843,000 [6],[21]      
Cost 812,000 [4],[18] 811,000 [6],[21]      
Fair Value $ 792,000 [4],[18] $ 777,000 [6],[21]      
Percentage of Total Net Assets 0.10% [1],[4],[18] 0.10% [2],[6],[21]      
Investment, Identifier [Axis]: Armstrong Transport Group (Pele Buyer, LLC), First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.50% [17],[18],[30] 5.50% [19],[20],[21]      
Interest 9.70% [17],[18],[30] 10.10% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 5,953,000 [17],[18],[30] $ 5,953,000 [19],[20],[21]      
Cost 5,937,000 [17],[18],[30] 5,935,000 [19],[20],[21]      
Fair Value $ 5,709,000 [17],[18],[30] $ 5,637,000 [19],[20],[21]      
Percentage of Total Net Assets 0.50% [1],[17],[18],[30] 0.50% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Artemis Bidco Limited, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [4],[17],[18],[24],[25] 5.00% [6],[7],[20],[21],[26]      
Interest 7.50% [4],[17],[18],[24],[25] 8.00% [6],[7],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 296,000 [4],[17],[18],[24],[25] $ 284,000 [6],[7],[20],[21],[26]      
Cost 262,000 [4],[17],[18],[24],[25] 261,000 [6],[7],[20],[21],[26]      
Fair Value $ 270,000 [4],[17],[18],[24],[25] $ 256,000 [6],[7],[20],[21],[26]      
Percentage of Total Net Assets 0.00% [1],[4],[17],[18],[24],[25] 0.00% [2],[6],[7],[20],[21],[26]      
Investment, Identifier [Axis]: Astra Bidco Limited, First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 5.75% [4],[17],[18],[25] 5.50% [6],[20],[21],[26]      
Interest 8.30% [4],[17],[18],[25] 8.50% [6],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 413,000 [4],[17],[18],[25] $ 396,000 [6],[20],[21],[26]      
Cost 408,000 [4],[17],[18],[25] 408,000 [6],[20],[21],[26]      
Fair Value $ 412,000 [4],[17],[18],[25] $ 396,000 [6],[20],[21],[26]      
Percentage of Total Net Assets 0.00% [1],[4],[17],[18],[25] 0.00% [2],[6],[20],[21],[26]      
Investment, Identifier [Axis]: Astra Bidco Limited, First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 5.75% [4],[17],[18],[24],[36] 5.75% [6],[7],[20],[21],[37]      
Interest 10.50% [4],[17],[18],[24],[36] 10.50% [6],[7],[20],[21],[37]      
Investment Owned, Balance, Principal Amount $ 2,499,000 [4],[17],[18],[24],[36] $ 2,365,000 [6],[7],[20],[21],[37]      
Cost 2,517,000 [4],[17],[18],[24],[36] 2,451,000 [6],[7],[20],[21],[37]      
Fair Value $ 2,493,000 [4],[17],[18],[24],[36] $ 2,365,000 [6],[7],[20],[21],[37]      
Percentage of Total Net Assets 0.20% [1],[4],[17],[18],[24],[36] 0.20% [2],[6],[7],[20],[21],[37]      
Investment, Identifier [Axis]: Auxi International, First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 6.25% [4],[17],[18],[25] 7.25% [6],[20],[21],[32]      
Interest 8.60% [4],[17],[18],[25] 10.40% [6],[20],[21],[32]      
Investment Owned, Balance, Principal Amount $ 1,512,000 [4],[17],[18],[25] $ 1,450,000 [6],[20],[21],[32]      
Cost 1,540,000 [4],[17],[18],[25] 1,538,000 [6],[20],[21],[32]      
Fair Value $ 1,422,000 [4],[17],[18],[25] $ 1,351,000 [6],[20],[21],[32]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[25] 0.10% [2],[6],[20],[21],[32]      
Investment, Identifier [Axis]: Auxi International, First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 6.25% [4],[17],[18],[36] 6.25% [6],[20],[21],[37]      
Interest 10.70% [4],[17],[18],[36] 11.20% [6],[20],[21],[37]      
Investment Owned, Balance, Principal Amount $ 865,000 [4],[17],[18],[36] $ 839,000 [6],[20],[21],[37]      
Cost 910,000 [4],[17],[18],[36] 909,000 [6],[20],[21],[37]      
Fair Value $ 813,000 [4],[17],[18],[36] $ 782,000 [6],[20],[21],[37]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[36] 0.10% [2],[6],[20],[21],[37]      
Investment, Identifier [Axis]: Avance Clinical Bidco Pty Ltd, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.50% [4],[17],[18],[24],[38] 4.50% [6],[7],[20],[21],[39]      
Interest 8.70% [4],[17],[18],[24],[38] 8.90% [6],[7],[20],[21],[39]      
Investment Owned, Balance, Principal Amount $ 1,760,000 [4],[17],[18],[24],[38] $ 1,967,000 [6],[7],[20],[21],[39]      
Cost 1,961,000 [4],[17],[18],[24],[38] 2,204,000 [6],[7],[20],[21],[39]      
Fair Value $ 1,760,000 [4],[17],[18],[24],[38] $ 1,967,000 [6],[7],[20],[21],[39]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[24],[38] 0.20% [2],[6],[7],[20],[21],[39]      
Investment, Identifier [Axis]: Azalea Buyer, Inc., Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 192,307.7 [10],[18] 192,307.7 [11],[21]      
Cost $ 192,000 [10],[18] $ 192,000 [11],[21]      
Fair Value $ 302,000 [10],[18] $ 288,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Azalea Buyer, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.25% [17],[18],[28] 5.25% [7],[20],[21],[29]      
Interest 9.70% [17],[18],[28] 9.90% [7],[20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 4,773,000 [17],[18],[28] $ 4,785,000 [7],[20],[21],[29]      
Cost 4,730,000 [17],[18],[28] 4,731,000 [7],[20],[21],[29]      
Fair Value $ 4,773,000 [17],[18],[28] $ 4,785,000 [7],[20],[21],[29]      
Percentage of Total Net Assets 0.40% [1],[17],[18],[28] 0.40% [2],[7],[20],[21],[29]      
Investment, Identifier [Axis]: Azalea Buyer, Inc., Revolver          
Schedule of Investments [Line Items]          
Interest 5.25% [17],[18],[24],[28] 5.25% [7],[20],[21],[29]      
Interest 9.70% [17],[18],[24],[28] 9.90% [7],[20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 0 [17],[18],[24],[28] $ 0 [7],[20],[21],[29]      
Cost (4,000) [17],[18],[24],[28] (5,000) [7],[20],[21],[29]      
Fair Value $ 0 [17],[18],[24],[28] $ 0 [7],[20],[21],[29]      
Percentage of Total Net Assets 0.00% [1],[17],[18],[24],[28] 0.00% [2],[7],[20],[21],[29]      
Investment, Identifier [Axis]: Azalea Buyer, Inc., Subordinated Term Loan          
Schedule of Investments [Line Items]          
Investment, interest rate, paid in kind 12.00% [18] 12.00% [21]      
Investment Owned, Balance, Principal Amount $ 1,868,000 [18] $ 1,814,000 [21]      
Cost 1,853,000 [18] 1,799,000 [21]      
Fair Value $ 1,868,000 [18] $ 1,805,000 [21]      
Percentage of Total Net Assets 0.20% [1],[18] 0.20% [2],[21]      
Investment, Identifier [Axis]: BKF Buyer, Inc., Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 1,004,467 [10],[18] 1,004,467 [11],[21]      
Cost $ 1,004,000 [10],[18] $ 1,004,000 [11],[21]      
Fair Value $ 1,065,000 [10],[18] $ 1,045,000 [11],[21]      
Percentage of Total Net Assets 0.10% [1],[10],[18] 0.10% [2],[11],[21]      
Investment, Identifier [Axis]: BKF Buyer, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [17],[18],[28] 5.00% [20],[21],[29]      
Interest 9.30% [17],[18],[28] 9.30% [20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 8,138,000 [17],[18],[28] $ 8,158,000 [20],[21],[29]      
Cost 8,005,000 [17],[18],[28] 8,013,000 [20],[21],[29]      
Fair Value $ 8,008,000 [17],[18],[28] $ 8,015,000 [20],[21],[29]      
Percentage of Total Net Assets 0.70% [1],[17],[18],[28] 0.70% [2],[20],[21],[29]      
Investment, Identifier [Axis]: BKF Buyer, Inc., Revolver          
Schedule of Investments [Line Items]          
Interest 5.00% [17],[18],[24],[28] 5.00% [7],[20],[21],[29]      
Interest 9.30% [17],[18],[24],[28] 9.30% [7],[20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 0 [17],[18],[24],[28] $ 0 [7],[20],[21],[29]      
Cost (47,000) [17],[18],[24],[28] (52,000) [7],[20],[21],[29]      
Fair Value $ (48,000) [17],[18],[24],[28] $ (52,000) [7],[20],[21],[29]      
Percentage of Total Net Assets 0.00% [1],[17],[18],[24],[28] 0.00% [2],[7],[20],[21],[29]      
Investment, Identifier [Axis]: BNI Global, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.50% [17],[18],[40] 5.50% [20],[21],[41]      
Interest 7.80% [17],[18],[40] 8.50% [20],[21],[41]      
Investment Owned, Balance, Principal Amount $ 9,818,000 [17],[18],[40] $ 9,434,000 [20],[21],[41]      
Cost 9,689,000 [17],[18],[40] 9,694,000 [20],[21],[41]      
Fair Value $ 9,739,000 [17],[18],[40] $ 9,302,000 [20],[21],[41]      
Percentage of Total Net Assets 0.80% [1],[17],[18],[40] 0.80% [2],[20],[21],[41]      
Investment, Identifier [Axis]: BPG Holdings IV Corp, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.00% [16],[17],[18] 6.00% [19],[20],[21]      
Interest 10.30% [16],[17],[18] 10.60% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 14,076,000 [16],[17],[18] $ 14,112,000 [19],[20],[21]      
Cost 13,436,000 [16],[17],[18] 13,442,000 [19],[20],[21]      
Fair Value $ 12,528,000 [16],[17],[18] $ 12,560,000 [19],[20],[21]      
Percentage of Total Net Assets 1.10% [1],[16],[17],[18] 1.10% [2],[19],[20],[21]      
Investment, Identifier [Axis]: BVI Medical, Inc., Second Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [20],[21],[26]   9.50%      
Interest [20],[21],[26]   12.80%      
Investment Owned, Balance, Principal Amount [20],[21],[26]   $ 9,607,000      
Cost [20],[21],[26]   9,614,000      
Fair Value [20],[21],[26]   $ 9,482,000      
Percentage of Total Net Assets [2],[20],[21],[26]   0.80%      
Investment, Identifier [Axis]: Bariacum S.A, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.75% [4],[17],[18],[33] 4.75% [6],[20],[21],[32]      
Interest 7.30% [4],[17],[18],[33] 7.30% [6],[20],[21],[32]      
Investment Owned, Balance, Principal Amount $ 3,241,000 [4],[17],[18],[33] $ 3,107,000 [6],[20],[21],[32]      
Cost 3,263,000 [4],[17],[18],[33] 3,260,000 [6],[20],[21],[32]      
Fair Value $ 3,169,000 [4],[17],[18],[33] $ 3,107,000 [6],[20],[21],[32]      
Percentage of Total Net Assets 0.30% [1],[4],[17],[18],[33] 0.30% [2],[6],[20],[21],[32]      
Investment, Identifier [Axis]: Basin Innovation Group, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18],[24] 5.00% [7],[20],[21],[29]      
Interest 9.30% [16],[17],[18],[24] 9.50% [7],[20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 14,158,000 [16],[17],[18],[24] $ 14,194,000 [7],[20],[21],[29]      
Cost 13,926,000 [16],[17],[18],[24] 13,952,000 [7],[20],[21],[29]      
Fair Value $ 13,940,000 [16],[17],[18],[24] $ 13,949,000 [7],[20],[21],[29]      
Percentage of Total Net Assets 1.20% [1],[16],[17],[18],[24] 1.20% [2],[7],[20],[21],[29]      
Investment, Identifier [Axis]: Basin Innovation Group, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18],[24] 5.00% [7],[20],[21],[29]      
Interest 9.30% [16],[17],[18],[24] 9.50% [7],[20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 0 [16],[17],[18],[24] $ 0 [7],[20],[21],[29]      
Cost (26,000) [16],[17],[18],[24] (28,000) [7],[20],[21],[29]      
Fair Value $ (25,000) [16],[17],[18],[24] $ (28,000) [7],[20],[21],[29]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[20],[21],[29]      
Investment, Identifier [Axis]: Benify (Bennevis AB), First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [6],[20],[21],[42]   5.25%      
Interest [6],[20],[21],[42]   8.40%      
Investment Owned, Balance, Principal Amount [6],[20],[21],[42]   $ 854,000      
Cost [6],[20],[21],[42]   996,000      
Fair Value [6],[20],[21],[42]   $ 854,000      
Percentage of Total Net Assets [2],[6],[20],[21],[42]   0.10%      
Investment, Identifier [Axis]: Beyond Risk Management, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.50% [16],[17],[18],[24] 4.50% [7],[19],[20],[21]      
Interest 8.90% [16],[17],[18],[24] 9.20% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 5,309,000 [16],[17],[18],[24] $ 5,322,000 [7],[19],[20],[21]      
Cost 5,243,000 [16],[17],[18],[24] 5,242,000 [7],[19],[20],[21]      
Fair Value $ 5,309,000 [16],[17],[18],[24] $ 5,322,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.40% [1],[16],[17],[18],[24] 0.40% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Bidwax, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.40% [4],[17],[18],[33] 6.40% [6],[20],[21],[32]      
Interest 9.20% [4],[17],[18],[33] 9.20% [6],[20],[21],[32]      
Investment Owned, Balance, Principal Amount $ 7,561,000 [4],[17],[18],[33] $ 7,249,000 [6],[20],[21],[32]      
Cost 8,156,000 [4],[17],[18],[33] 8,148,000 [6],[20],[21],[32]      
Fair Value $ 7,546,000 [4],[17],[18],[33] $ 7,088,000 [6],[20],[21],[32]      
Percentage of Total Net Assets 0.60% [1],[4],[17],[18],[33] 0.60% [2],[6],[20],[21],[32]      
Investment, Identifier [Axis]: Biolam Group, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.25% [4],[17],[18],[24],[33],[43] 4.25% [6],[7],[20],[21],[32],[44]      
Interest [6],[7],[20],[21],[32],[44]   5.50%      
Investment, interest rate, paid in kind 8.20% [4],[17],[18],[24],[33],[43] 2.80% [6],[7],[20],[21],[32],[44]      
Investment Owned, Balance, Principal Amount $ 2,515,000 [4],[17],[18],[24],[33],[43] $ 2,411,000 [6],[7],[20],[21],[32],[44]      
Cost 2,517,000 [4],[17],[18],[24],[33],[43] 2,517,000 [6],[7],[20],[21],[32],[44]      
Fair Value $ 1,153,000 [4],[17],[18],[24],[33],[43] $ 1,406,000 [6],[7],[20],[21],[32],[44]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[24],[33],[43] 0.10% [2],[6],[7],[20],[21],[32],[44]      
Investment, Identifier [Axis]: Black Angus Steakhouses, LLC, First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Investment, interest rate, paid in kind 10.00% [8],[18],[43],[45],[46] 10.00% [9],[21],[44],[47]      
Investment Owned, Balance, Principal Amount $ 40,399,000 [8],[18],[43] $ 39,067,000 [9],[21],[44]      
Cost 9,628,000 [8],[18],[43] 9,628,000 [9],[21],[44]      
Fair Value $ 0 [8],[18],[43],[45],[46] $ 0 [9],[21],[44],[45],[46],[48] 4,869,000 [47],[48]    
Percentage of Total Net Assets 0.00% [1],[8],[18],[43] 0.00% [2],[9],[21],[44]      
Investment, Identifier [Axis]: Black Angus Steakhouses, LLC, First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Investment, interest rate, paid in kind 14.40% [8],[18],[43],[45],[46] 14.40% [9],[20],[21],[29],[44],[47]      
Investment Owned, Balance, Principal Amount $ 8,666,000 [8],[18],[43] $ 8,280,000 [9],[20],[21],[29],[44]      
Cost 8,091,000 [8],[18],[43] 8,091,000 [9],[20],[21],[29],[44]      
Fair Value $ 2,639,000 [8],[18],[43],[45],[46] $ 2,744,000 [9],[20],[21],[29],[44],[45],[46],[48] 7,166,000 [47],[48]    
Percentage of Total Net Assets 0.20% [1],[8],[18],[43] 0.20% [2],[9],[20],[21],[29],[44]      
Investment, Identifier [Axis]: Black Angus Steakhouses, LLC, LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 44.6 [8],[10],[18] 44.6 [9],[11],[21]      
Cost $ 0 [8],[10],[18] $ 0 [9],[11],[21]      
Fair Value $ 0 [8],[10],[18] $ 0 [9],[11],[21]      
Percentage of Total Net Assets 0.00% [1],[8],[10],[18] 0.00% [2],[9],[11],[21]      
Investment, Identifier [Axis]: Black Angus Steakhouses, LLC, LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 44.6 [46] 44.6 [47]      
Fair Value $ 0 [46] $ 0 [46] 0 [47]    
Investment, Identifier [Axis]: Bounteous, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.75% [17],[18],[28] 4.75% [19],[20],[21]      
Interest 9.20% [17],[18],[28] 9.40% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 4,095,000 [17],[18],[28] $ 4,106,000 [19],[20],[21]      
Cost 4,061,000 [17],[18],[28] 4,067,000 [19],[20],[21]      
Fair Value $ 4,079,000 [17],[18],[28] $ 4,081,000 [19],[20],[21]      
Percentage of Total Net Assets 0.30% [1],[17],[18],[28] 0.30% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Bridger Aerospace Group Holdings, LLC, Municipal Revenue Bond          
Schedule of Investments [Line Items]          
Interest 11.50% 11.50%      
Investment Owned, Balance, Principal Amount $ 27,200,000 $ 27,200,000      
Cost 27,200,000 27,200,000      
Fair Value $ 28,002,000 $ 27,859,000      
Percentage of Total Net Assets 2.40% [1] 2.30% [2]      
Investment, Identifier [Axis]: Bridger Aerospace Group Holdings, LLC, Preferred Stock- Series C          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 14,618 [18] 14,618 [21]      
Investment, interest rate, paid in kind 7.00% [18] 7.00% [21]      
Cost $ 16,725,000 [18] $ 16,725,000 [21]      
Fair Value $ 14,874,000 [18] $ 14,618,000 [21]      
Percentage of Total Net Assets 1.30% [1],[18] 1.20% [2],[21]      
Investment, Identifier [Axis]: BrightSign LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.50% [17],[18],[28] 5.50% [20],[21],[29]      
Interest 9.90% [17],[18],[28] 10.20% [20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 4,645,000 [17],[18],[28] $ 4,657,000 [20],[21],[29]      
Cost 4,625,000 [17],[18],[28] 4,635,000 [20],[21],[29]      
Fair Value $ 4,645,000 [17],[18],[28] $ 4,657,000 [20],[21],[29]      
Percentage of Total Net Assets 0.40% [1],[17],[18],[28] 0.40% [2],[20],[21],[29]      
Investment, Identifier [Axis]: BrightSign LLC, LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) [18] 1,107,492.71        
Cost [18] $ 1,107,000        
Fair Value [18] $ 1,251,000        
Percentage of Total Net Assets [1],[18] 0.10%        
Investment, Identifier [Axis]: BrightSign LLC, LLC units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) [21]   1,107,492.71      
Cost [21]   $ 1,107,000      
Fair Value [21]   $ 1,174,000      
Percentage of Total Net Assets [2],[21]   0.10%      
Investment, Identifier [Axis]: BrightSign LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 5.50% [17],[18],[24],[28] 5.50% [7],[20],[21],[29]      
Interest 9.90% [17],[18],[24],[28] 10.20% [7],[20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 1,085,000 [17],[18],[24],[28] $ 1,085,000 [7],[20],[21],[29]      
Cost 1,080,000 [17],[18],[24],[28] 1,079,000 [7],[20],[21],[29]      
Fair Value $ 1,085,000 [17],[18],[24],[28] $ 1,085,000 [7],[20],[21],[29]      
Percentage of Total Net Assets 0.10% [1],[17],[18],[24],[28] 0.10% [2],[7],[20],[21],[29]      
Investment, Identifier [Axis]: Brightpay Limited, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [6],[7],[20],[21],[26]   5.00%      
Interest [6],[7],[20],[21],[26]   8.20%      
Investment Owned, Balance, Principal Amount [6],[7],[20],[21],[26]   $ 396,000      
Cost [6],[7],[20],[21],[26]   388,000      
Fair Value [6],[7],[20],[21],[26]   $ 386,000      
Percentage of Total Net Assets [2],[6],[7],[20],[21],[26]   0.00%      
Investment, Identifier [Axis]: Brightpay Limited, First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest [4],[17],[18],[25] 5.00%        
Interest [4],[17],[18],[25] 7.40%        
Investment, interest rate, paid in kind [4],[17],[18],[25] 0.30%        
Investment Owned, Balance, Principal Amount [4],[17],[18],[25] $ 1,839,000        
Cost [4],[17],[18],[25] 1,945,000        
Fair Value [4],[17],[18],[25] $ 1,810,000        
Percentage of Total Net Assets [1],[4],[17],[18],[25] 0.20%        
Investment, Identifier [Axis]: Brightpay Limited, First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 5.00% [4],[17],[18],[25] 5.00% [6],[20],[21],[32]      
Interest 7.40% [4],[17],[18],[25] 8.60% [6],[20],[21],[32]      
Investment, interest rate, paid in kind [6],[20],[21],[32]   0.30%      
Investment Owned, Balance, Principal Amount $ 413,000 [4],[17],[18],[25] $ 1,752,000 [6],[20],[21],[32]      
Cost 391,000 [4],[17],[18],[25] 1,931,000 [6],[20],[21],[32]      
Fair Value $ 407,000 [4],[17],[18],[25] $ 1,720,000 [6],[20],[21],[32]      
Percentage of Total Net Assets 0.00% [1],[4],[17],[18],[25] 0.10% [2],[6],[20],[21],[32]      
Investment, Identifier [Axis]: British Airways 2020-1 Class B Pass Through Trust, First Lien Senior Secured Bond          
Schedule of Investments [Line Items]          
Interest 8.40% 8.40%      
Investment Owned, Balance, Principal Amount $ 462,000 $ 489,000      
Cost 462,000 489,000      
Fair Value $ 481,000 $ 507,000      
Percentage of Total Net Assets 0.00% [1] 0.00% [2]      
Investment, Identifier [Axis]: British Engineering Services Holdco Limited, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 7.00% [4],[17],[18],[36] 7.00% [6],[20],[21],[37]      
Interest 11.70% [4],[17],[18],[36] 12.70% [6],[20],[21],[37]      
Investment Owned, Balance, Principal Amount $ 15,385,000 [4],[17],[18],[36] $ 14,630,000 [6],[20],[21],[37]      
Cost 15,783,000 [4],[17],[18],[36] 15,527,000 [6],[20],[21],[37]      
Fair Value $ 15,097,000 [4],[17],[18],[36] $ 14,454,000 [6],[20],[21],[37]      
Percentage of Total Net Assets 1.30% [1],[4],[17],[18],[36] 1.20% [2],[6],[20],[21],[37]      
Investment, Identifier [Axis]: Broadstone Group UK LTD, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [4],[17],[18],[24],[35] 5.50%        
Interest [4],[17],[18],[24],[35] 10.00%        
Investment Owned, Balance, Principal Amount [4],[17],[18],[24],[35] $ 3,247,000        
Cost [4],[17],[18],[24],[35] 3,072,000        
Fair Value [4],[17],[18],[24],[35] $ 3,117,000        
Percentage of Total Net Assets [1],[4],[17],[18],[24],[35] 0.30%        
Investment, Identifier [Axis]: Brook & Whittle Holding Corp., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.00% [8],[16],[17] 4.00% [9],[19],[20]      
Interest 8.50% [8],[16],[17] 8.70% [9],[19],[20]      
Investment Owned, Balance, Principal Amount $ 2,763,000 [8],[16],[17] $ 2,770,000 [9],[19],[20]      
Cost 2,744,000 [8],[16],[17] 2,751,000 [9],[19],[20]      
Fair Value $ 2,285,000 [8],[16],[17] $ 2,461,000 [9],[19],[20]      
Percentage of Total Net Assets 0.20% [1],[8],[16],[17] 0.20% [2],[9],[19],[20]      
Investment, Identifier [Axis]: Brown Machine Group Holdings, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.00% [16],[17],[18] 6.00% [20],[21],[29]      
Interest 10.40% [16],[17],[18] 10.70% [20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 6,088,000 [16],[17],[18] $ 6,088,000 [20],[21],[29]      
Cost 6,081,000 [16],[17],[18] 6,078,000 [20],[21],[29]      
Fair Value $ 5,582,000 [16],[17],[18] $ 5,716,000 [20],[21],[29]      
Percentage of Total Net Assets 0.50% [1],[16],[17],[18] 0.50% [2],[20],[21],[29]      
Investment, Identifier [Axis]: Burgess Point Purchaser Corporation, LP Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 455 [10],[18] 455 [11],[21]      
Cost $ 455,000 [10],[18] $ 455,000 [11],[21]      
Fair Value $ 450,000 [10],[18] $ 450,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Burgess Point Purchaser Corporation, Second Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 9.00% [16],[17],[18] 9.00% [20],[21],[31]      
Interest 13.40% [16],[17],[18] 14.20% [20],[21],[31]      
Investment Owned, Balance, Principal Amount $ 4,545,000 [16],[17],[18] $ 4,545,000 [20],[21],[31]      
Cost 4,410,000 [16],[17],[18] 4,405,000 [20],[21],[31]      
Fair Value $ 4,218,000 [16],[17],[18] $ 4,364,000 [20],[21],[31]      
Percentage of Total Net Assets 0.40% [1],[16],[17],[18] 0.40% [2],[20],[21],[31]      
Investment, Identifier [Axis]: CAi Software, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18] 5.25% [19],[20],[21]      
Interest 9.60% [16],[17],[18] 10.10% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 12,498,000 [16],[17],[18] $ 12,530,000 [19],[20],[21]      
Cost 12,328,000 [16],[17],[18] 12,349,000 [19],[20],[21]      
Fair Value $ 12,498,000 [16],[17],[18] $ 12,455,000 [19],[20],[21]      
Percentage of Total Net Assets 1.10% [1],[16],[17],[18] 1.00% [2],[19],[20],[21]      
Investment, Identifier [Axis]: CAi Software, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18],[24] 5.25% [7],[19],[20],[21]      
Interest 9.60% [16],[17],[18],[24] 10.10% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 1,261,000 [16],[17],[18],[24] $ 1,261,000 [7],[19],[20],[21]      
Cost 1,227,000 [16],[17],[18],[24] 1,225,000 [7],[19],[20],[21]      
Fair Value $ 1,261,000 [16],[17],[18],[24] $ 1,246,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.10% [1],[16],[17],[18],[24] 0.10% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: CCFF Buyer, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [17],[18],[24],[30] 5.25% [7],[19],[20],[21]      
Interest 9.30% [17],[18],[24],[30] 9.80% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 5,900,000 [17],[18],[24],[30] $ 5,915,000 [7],[19],[20],[21]      
Cost 5,780,000 [17],[18],[24],[30] 5,788,000 [7],[19],[20],[21]      
Fair Value $ 5,807,000 [17],[18],[24],[30] $ 5,809,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.50% [1],[17],[18],[24],[30] 0.50% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: CCFF Buyer, LLC, LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 233 [18] 233 [21]      
Cost $ 233,000 [18] $ 233,000 [21]      
Fair Value $ 238,000 [18] $ 235,000 [21]      
Percentage of Total Net Assets 0.00% [1],[18] 0.00% [2],[21]      
Investment, Identifier [Axis]: CCFF Buyer, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 5.00% [17],[18],[24],[30] 5.25% [7],[19],[20],[21]      
Interest 9.30% [17],[18],[24],[30] 9.80% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [17],[18],[24],[30] $ 0 [7],[19],[20],[21]      
Cost (17,000) [17],[18],[24],[30] (18,000) [7],[19],[20],[21]      
Fair Value $ (13,000) [17],[18],[24],[30] $ (15,000) [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[17],[18],[24],[30] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: CGI Parent, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.50% [16],[17],[18] 4.50% [19],[20],[21]      
Interest 8.80% [16],[17],[18] 9.10% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 13,970,000 [16],[17],[18] $ 14,008,000 [19],[20],[21]      
Cost 13,758,000 [16],[17],[18] 13,780,000 [19],[20],[21]      
Fair Value $ 13,831,000 [16],[17],[18] $ 14,008,000 [19],[20],[21]      
Percentage of Total Net Assets 1.20% [1],[16],[17],[18] 1.20% [2],[19],[20],[21]      
Investment, Identifier [Axis]: CGI Parent, LLC, Preferred Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 657 [10],[18] 657 [11],[21]      
Cost $ 722,000 [10],[18] $ 722,000 [11],[21]      
Fair Value $ 1,909,000 [10],[18] $ 1,710,000 [11],[21]      
Percentage of Total Net Assets 0.20% [1],[10],[18] 0.10% [2],[11],[21]      
Investment, Identifier [Axis]: CGI Parent, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 4.50% [16],[17],[18],[24] 4.50% [7],[19],[20],[21]      
Interest 8.80% [16],[17],[18],[24] 9.10% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 551,000 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost 535,000 [16],[17],[18],[24] (18,000) [7],[19],[20],[21]      
Fair Value $ 534,000 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: CM Acquisitions Holdings Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [19],[20],[21]   6.00%      
Interest [19],[20],[21]   7.80%      
Investment, interest rate, paid in kind [19],[20],[21]   2.50%      
Investment Owned, Balance, Principal Amount [19],[20],[21]   $ 12,477,000      
Cost [19],[20],[21]   12,462,000      
Fair Value [19],[20],[21]   $ 12,140,000      
Percentage of Total Net Assets [2],[19],[20],[21]   1.00%      
Investment, Identifier [Axis]: CM Acquisitions Holdings Inc., First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 3.50% [16],[17],[18] 6.00% [19],[20],[21]      
Interest 5.30% [16],[17],[18] 7.80% [19],[20],[21]      
Investment, interest rate, paid in kind 2.50% [16],[17],[18] 2.50% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 1,581,000 [16],[17],[18] $ 1,565,000 [19],[20],[21]      
Cost 1,580,000 [16],[17],[18] 1,563,000 [19],[20],[21]      
Fair Value $ 1,540,000 [16],[17],[18] $ 1,523,000 [19],[20],[21]      
Percentage of Total Net Assets 0.10% [1],[16],[17],[18] 0.10% [2],[19],[20],[21]      
Investment, Identifier [Axis]: CM Acquisitions Holdings Inc., First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest [16],[17],[18] 3.50%        
Interest [16],[17],[18] 5.30%        
Investment, interest rate, paid in kind [16],[17],[18] 2.50%        
Investment Owned, Balance, Principal Amount [16],[17],[18] $ 12,491,000        
Cost [16],[17],[18] 12,487,000        
Fair Value [16],[17],[18] $ 12,167,000        
Percentage of Total Net Assets [1],[16],[17],[18] 1.00%        
Investment, Identifier [Axis]: CMT Opco Holding, LLC (Concept Machine), First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.25% [16],[17],[18] 5.25% [19],[20],[21]      
Interest 9.50% [16],[17],[18] 9.50% [19],[20],[21]      
Investment, interest rate, paid in kind 0.30% [16],[17],[18] 0.30% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 4,746,000 [16],[17],[18] $ 4,756,000 [19],[20],[21]      
Cost 4,738,000 [16],[17],[18] 4,746,000 [19],[20],[21]      
Fair Value $ 3,398,000 [16],[17],[18] $ 3,381,000 [19],[20],[21]      
Percentage of Total Net Assets 0.30% [1],[16],[17],[18] 0.30% [2],[19],[20],[21]      
Investment, Identifier [Axis]: CMT Opco Holding, LLC (Concept Machine), LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 12,634.8 [10],[18] 12,635 [11],[21]      
Cost $ 506,000 [10],[18] $ 506,000 [11],[21]      
Fair Value $ 0 [10],[18] $ 0 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: CSL DualCom, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.75% [4],[17],[18],[49] 4.75% [6],[7],[20],[21],[50]      
Interest 9.20% [4],[17],[18],[49] 9.50% [6],[7],[20],[21],[50]      
Investment Owned, Balance, Principal Amount $ 2,229,000 [4],[17],[18],[49] $ 2,016,000 [6],[7],[20],[21],[50]      
Cost 2,077,000 [4],[17],[18],[49] 1,922,000 [6],[7],[20],[21],[50]      
Fair Value $ 2,229,000 [4],[17],[18],[49] $ 2,016,000 [6],[7],[20],[21],[50]      
Percentage of Total Net Assets 0.20% [1],[4],[17],[18],[49] 0.20% [2],[6],[7],[20],[21],[50]      
Investment, Identifier [Axis]: CTI Foods Holdings Co., LLC, 2024 LIFO Term Loan          
Schedule of Investments [Line Items]          
Interest 10.00% [16],[17],[18] 10.00% [19],[20],[21]      
Investment, interest rate, paid in kind 14.70% [16],[17],[18] 14.70% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 4,370,000 [16],[17],[18] $ 4,211,000 [19],[20],[21]      
Cost 4,239,000 [16],[17],[18] 4,067,000 [19],[20],[21]      
Fair Value $ 4,370,000 [16],[17],[18] $ 4,211,000 [19],[20],[21]      
Percentage of Total Net Assets 0.40% [1],[16],[17],[18] 0.40% [2],[19],[20],[21]      
Investment, Identifier [Axis]: CTI Foods Holdings Co., LLC, Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 21,031 [10],[18] 21,031 [11],[21]      
Cost $ 0 [10],[18] $ 0 [11],[21]      
Fair Value $ 800,000 [10],[18] $ 695,000 [11],[21]      
Percentage of Total Net Assets 0.10% [1],[10],[18] 0.10% [2],[11],[21]      
Investment, Identifier [Axis]: CTI Foods Holdings Co., LLC, First Out Term Loan          
Schedule of Investments [Line Items]          
Interest [19],[20],[21]   10.00%      
Investment, interest rate, paid in kind [19],[20],[21]   14.70%      
Investment Owned, Balance, Principal Amount [19],[20],[21]   $ 2,860,000      
Cost [19],[20],[21]   2,797,000      
Fair Value [19],[20],[21]   $ 2,860,000      
Percentage of Total Net Assets [2],[19],[20],[21]   0.20%      
Investment, Identifier [Axis]: CTI Foods Holdings Co., LLC, First Out Term Loan 1          
Schedule of Investments [Line Items]          
Interest [16],[17],[18] 7.00%        
Investment, interest rate, paid in kind [16],[17],[18] 11.60%        
Investment Owned, Balance, Principal Amount [16],[17],[18] $ 809,000        
Cost [16],[17],[18] 809,000        
Fair Value [16],[17],[18] $ 809,000        
Percentage of Total Net Assets [1],[16],[17],[18] 0.10%        
Investment, Identifier [Axis]: CTI Foods Holdings Co., LLC, First Out Term Loan 2          
Schedule of Investments [Line Items]          
Interest [16],[17],[18] 10.00%        
Investment, interest rate, paid in kind [16],[17],[18] 14.70%        
Investment Owned, Balance, Principal Amount [16],[17],[18] $ 2,154,000        
Cost [16],[17],[18] 2,101,000        
Fair Value [16],[17],[18] $ 2,154,000        
Percentage of Total Net Assets [1],[16],[17],[18] 0.20%        
Investment, Identifier [Axis]: CTI Foods Holdings Co., LLC, Second Out Term Loan          
Schedule of Investments [Line Items]          
Interest 9.00% [16],[17],[18] 12.00% [19],[20],[21]      
Investment, interest rate, paid in kind 13.60% [16],[17],[18] 16.70% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 618,000 [16],[17],[18] $ 597,000 [19],[20],[21]      
Cost 618,000 [16],[17],[18] 597,000 [19],[20],[21]      
Fair Value $ 618,000 [16],[17],[18] $ 597,000 [19],[20],[21]      
Percentage of Total Net Assets 0.10% [1],[16],[17],[18] 0.10% [2],[19],[20],[21]      
Investment, Identifier [Axis]: CW Group Holdings, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18] 5.00% [19],[20],[21]      
Interest 9.40% [16],[17],[18] 9.80% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 2,725,000 [16],[17],[18] $ 2,732,000 [19],[20],[21]      
Cost 2,704,000 [16],[17],[18] 2,708,000 [19],[20],[21]      
Fair Value $ 2,725,000 [16],[17],[18] $ 2,732,000 [19],[20],[21]      
Percentage of Total Net Assets 0.20% [1],[16],[17],[18] 0.20% [2],[19],[20],[21]      
Investment, Identifier [Axis]: CW Group Holdings, LLC, LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 161,290.32 [18] 161,290.32 [21]      
Cost $ 161,000 [18] $ 161,000 [21]      
Fair Value $ 427,000 [18] $ 371,000 [21]      
Percentage of Total Net Assets 0.00% [1],[18] 0.00% [2],[21]      
Investment, Identifier [Axis]: Caldwell & Gregory LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.75% [16],[17],[18],[24] 5.00% [7],[19],[20],[21]      
Interest 9.00% [16],[17],[18],[24] 9.30% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 19,342,000 [16],[17],[18],[24] $ 19,141,000 [7],[19],[20],[21]      
Cost 19,033,000 [16],[17],[18],[24] 18,817,000 [7],[19],[20],[21]      
Fair Value $ 19,062,000 [16],[17],[18],[24] $ 18,833,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 1.60% [1],[16],[17],[18],[24] 1.60% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Caldwell & Gregory LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 4.75% [16],[17],[18],[24] 5.00% [7],[19],[20],[21]      
Interest 9.00% [16],[17],[18],[24] 9.30% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost (34,000) [16],[17],[18],[24] (36,000) [7],[19],[20],[21]      
Fair Value $ (31,000) [16],[17],[18],[24] $ (34,000) [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Canadian Orthodontic Partners Corp., Class A Equity          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 500,000 [4],[10],[18] 500,000 [6],[11],[21]      
Cost $ 389,000 [4],[10],[18] $ 389,000 [6],[11],[21]      
Fair Value $ 0 [4],[10],[18] $ 0 [6],[11],[21]      
Percentage of Total Net Assets 0.00% [1],[4],[10],[18] 0.00% [2],[6],[11],[21]      
Investment, Identifier [Axis]: Canadian Orthodontic Partners Corp., Class C - Warrants          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 74,712.64 [4],[10],[18] 74,712.64 [6],[11],[21]      
Cost $ 0 [4],[10],[18] $ 0 [6],[11],[21]      
Fair Value $ 0 [4],[10],[18] $ 0 [6],[11],[21]      
Percentage of Total Net Assets 0.00% [1],[4],[10],[18] 0.00% [2],[6],[11],[21]      
Investment, Identifier [Axis]: Canadian Orthodontic Partners Corp., Class X Equity          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 45,604 [4],[10],[18] 45,604 [6],[11],[21]      
Cost $ 35,000 [4],[10],[18] $ 35,000 [6],[11],[21]      
Fair Value $ 0 [4],[10],[18] $ 0 [6],[11],[21]      
Percentage of Total Net Assets 0.00% [1],[4],[10],[18] 0.00% [2],[6],[11],[21]      
Investment, Identifier [Axis]: Canadian Orthodontic Partners Corp., Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 14.37 [4],[10],[18] 14.37 [6],[11],[21]      
Cost $ 0 [4],[10],[18] $ 0 [6],[11],[21]      
Fair Value $ 0 [4],[10],[18] $ 0 [6],[11],[21]      
Percentage of Total Net Assets 0.00% [1],[4],[10],[18] 0.00% [2],[6],[11],[21]      
Investment, Identifier [Axis]: Canadian Orthodontic Partners Corp., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 7.00% [4],[17],[18],[43],[51] 7.00% [6],[20],[21],[44],[52]      
Investment, interest rate, paid in kind 10.30% [4],[17],[18],[43],[51] 10.30% [6],[20],[21],[44],[52]      
Investment Owned, Balance, Principal Amount $ 1,584,000 [4],[17],[18],[43],[51] $ 1,585,000 [6],[20],[21],[44],[52]      
Cost 1,860,000 [4],[17],[18],[43],[51] 1,860,000 [6],[20],[21],[44],[52]      
Fair Value $ 302,000 [4],[17],[18],[43],[51] $ 360,000 [6],[20],[21],[44],[52]      
Percentage of Total Net Assets 0.00% [1],[4],[17],[18],[43],[51] 0.00% [2],[6],[20],[21],[44],[52]      
Investment, Identifier [Axis]: Canadian Orthodontic Partners Corp., Super Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Investment, interest rate, paid in kind 15.00% [4],[18],[24] 15.00% [6],[7],[21]      
Investment Owned, Balance, Principal Amount $ 80,000 [4],[18],[24] $ 65,000 [6],[7],[21]      
Cost 79,000 [4],[18],[24] 64,000 [6],[7],[21]      
Fair Value $ 256,000 [4],[18],[24] $ 185,000 [6],[7],[21]      
Percentage of Total Net Assets 0.00% [1],[4],[18],[24] 0.00% [2],[6],[7],[21]      
Investment, Identifier [Axis]: Caribou Holding Company, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [6],[19],[20],[21]   7.64%      
Interest [6],[19],[20],[21]   12.50%      
Investment Owned, Balance, Principal Amount [6],[19],[20],[21]   $ 4,318,000      
Cost [6],[19],[20],[21]   4,285,000      
Fair Value [6],[19],[20],[21]   $ 4,236,000      
Percentage of Total Net Assets [2],[6],[19],[20],[21]   0.40%      
Investment, Identifier [Axis]: Caribou Holding Company, LLC, LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) [6],[11],[21]   681,818      
Cost [6],[11],[21]   $ 682,000      
Fair Value [6],[11],[21]   $ 682,000      
Percentage of Total Net Assets [2],[6],[11],[21]   0.10%      
Investment, Identifier [Axis]: Cascade Residential Services LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.00% [16],[17],[18],[24] 6.00% [7],[19],[20],[21]      
Interest 10.30% [16],[17],[18],[24] 10.60% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 4,001,000 [16],[17],[18],[24] $ 4,011,000 [7],[19],[20],[21]      
Cost 3,913,000 [16],[17],[18],[24] 3,918,000 [7],[19],[20],[21]      
Fair Value $ 3,769,000 [16],[17],[18],[24] $ 3,742,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.30% [1],[16],[17],[18],[24] 0.30% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Cascade Residential Services LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 6.00% [16],[17],[18],[24] 6.00% [19],[20],[21]      
Interest 10.30% [16],[17],[18],[24] 10.60% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 314,000 [16],[17],[18],[24] $ 331,000 [19],[20],[21]      
Cost 308,000 [16],[17],[18],[24] 324,000 [19],[20],[21]      
Fair Value $ 298,000 [16],[17],[18],[24] $ 312,000 [19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Catawba River Limited, Structured - Junior Note          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 5,034,000 [4],[10],[18] $ 4,884,000 [6],[21]      
Cost 4,442,000 [4],[10],[18] 4,442,000 [6],[21]      
Fair Value $ 2,241,000 [4],[10],[18] $ 2,365,000 [6],[21]      
Percentage of Total Net Assets 0.20% [1],[4],[10],[18] 0.20% [2],[6],[21]      
Investment, Identifier [Axis]: Celebration Bidco, LLC, Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 1,243,071 [10],[18] 1,243,071 [11],[21]      
Cost $ 12,177,000 [10],[18] $ 12,177,000 [11],[21]      
Fair Value $ 8,353,000 [10],[18] $ 11,262,000 [11],[21]      
Percentage of Total Net Assets 0.70% [1],[10],[18] 0.90% [2],[11],[21]      
Investment, Identifier [Axis]: Celebration Bidco, LLC, Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 1,243,071 [53] 1,243,071 [54]      
Fair Value $ 8,353,000 [53] $ 11,262,000 [54] 12,177,000 [54]    
Investment, Identifier [Axis]: Celebration Bidco, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 8.00% [16],[18] 8.00% [19],[21]      
Investment, interest rate, paid in kind 12.30% [16],[18] 12.60% [19],[21]      
Investment Owned, Balance, Principal Amount $ 7,918,000 [16],[18] $ 6,414,000 [19],[21]      
Cost 7,918,000 [16],[18] 6,414,000 [19],[21]      
Fair Value $ 7,654,000 [16],[18] $ 6,414,000 [19],[21]      
Percentage of Total Net Assets 0.60% [1],[16],[18] 0.50% [2],[19],[21]      
Investment, Identifier [Axis]: Celebration Bidco, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 8.00% [53] 8.00% [54]      
Investment, interest rate, paid in kind 12.30% [53] 12.60% [54]      
Fair Value $ 7,654,000 [53] $ 6,414,000 [54] 6,214,000 [54]    
Investment, Identifier [Axis]: Centralis Finco S.a.r.l., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [6],[20],[21],[26]   5.25%      
Interest [6],[20],[21],[26]   8.30%      
Investment Owned, Balance, Principal Amount [6],[20],[21],[26]   $ 2,996,000      
Cost [6],[20],[21],[26]   2,942,000      
Fair Value [6],[20],[21],[26]   $ 2,996,000      
Percentage of Total Net Assets [2],[6],[20],[21],[26]   0.30%      
Investment, Identifier [Axis]: Centralis Finco S.a.r.l., First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest [4],[17],[18],[25] 5.25%        
Interest [4],[17],[18],[25] 7.80%        
Investment Owned, Balance, Principal Amount [4],[17],[18],[25] $ 3,125,000        
Cost [4],[17],[18],[25] 2,946,000        
Fair Value [4],[17],[18],[25] $ 3,125,000        
Percentage of Total Net Assets [1],[4],[17],[18],[25] 0.30%        
Investment, Identifier [Axis]: Centralis Finco S.a.r.l., First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest [4],[17],[18],[24],[25] 5.25%        
Interest [4],[17],[18],[24],[25] 7.80%        
Investment Owned, Balance, Principal Amount [4],[17],[18],[24],[25] $ 0        
Cost [4],[17],[18],[24],[25] (38,000)        
Fair Value [4],[17],[18],[24],[25] $ 0        
Percentage of Total Net Assets [1],[4],[17],[18],[24],[25] 0.00%        
Investment, Identifier [Axis]: Ceres Pharma NV, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.00% [4],[17],[18],[33] 6.00% [6],[20],[21],[32]      
Interest 8.90% [4],[17],[18],[33] 8.90% [6],[20],[21],[32]      
Investment Owned, Balance, Principal Amount $ 3,344,000 [4],[17],[18],[33] $ 3,206,000 [6],[20],[21],[32]      
Cost 3,295,000 [4],[17],[18],[33] 3,292,000 [6],[20],[21],[32]      
Fair Value $ 3,317,000 [4],[17],[18],[33] $ 3,167,000 [6],[20],[21],[32]      
Percentage of Total Net Assets 0.30% [1],[4],[17],[18],[33] 0.30% [2],[6],[20],[21],[32]      
Investment, Identifier [Axis]: Coastal Marina Holdings, LLC, LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 3,518,097 [10],[18],[53] 3,518,097 [11],[21],[54]      
Cost $ 16,495,000 [10],[18] $ 16,495,000 [11],[21]      
Fair Value $ 19,983,000 [10],[18],[53] $ 16,852,000 [11],[21],[53] 12,160,000 [54]    
Percentage of Total Net Assets 1.70% [1],[10],[18] 1.40% [2],[11],[21]      
Investment, Identifier [Axis]: Coastal Marina Holdings, LLC, Subordinated Term Loan 1          
Schedule of Investments [Line Items]          
Interest 8.00% [18],[53] 8.00% [21],[54]      
Investment Owned, Balance, Principal Amount $ 16,620,000 [18] $ 16,620,000 [21]      
Cost 15,715,000 [18] 15,690,000 [21]      
Fair Value $ 15,800,000 [18],[53] $ 15,770,000 [21],[53] 15,649,000 [54]    
Percentage of Total Net Assets 1.30% [1],[18] 1.30% [2],[21]      
Investment, Identifier [Axis]: Coastal Marina Holdings, LLC, Subordinated Term Loan 2          
Schedule of Investments [Line Items]          
Interest 8.00% [18],[53] 8.00% [21],[54]      
Investment Owned, Balance, Principal Amount $ 7,662,000 [18] $ 7,662,000 [21]      
Cost 7,330,000 [18] 7,322,000 [21]      
Fair Value $ 7,285,000 [18],[53] $ 7,271,000 [21],[53] 6,868,000 [54]    
Percentage of Total Net Assets 0.60% [1],[18] 0.60% [2],[21]      
Investment, Identifier [Axis]: Cobham Slip Rings SAS, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.25% [4],[16],[17],[18] 6.25% [6],[20],[21],[31]      
Interest 10.60% [4],[16],[17],[18] 10.90% [6],[20],[21],[31]      
Investment Owned, Balance, Principal Amount $ 1,303,000 [4],[16],[17],[18] $ 1,303,000 [6],[20],[21],[31]      
Cost 1,288,000 [4],[16],[17],[18] 1,286,000 [6],[20],[21],[31]      
Fair Value $ 1,303,000 [4],[16],[17],[18] $ 1,303,000 [6],[20],[21],[31]      
Percentage of Total Net Assets 0.10% [1],[4],[16],[17],[18] 0.10% [2],[6],[20],[21],[31]      
Investment, Identifier [Axis]: Coherus Biosciences, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 8.00% [16],[17],[18] 8.00% [19],[20],[21]      
Interest 12.30% [16],[17],[18] 12.60% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 3,991,000 [16],[17],[18] $ 3,991,000 [19],[20],[21]      
Cost 3,887,000 [16],[17],[18] 3,883,000 [19],[20],[21]      
Fair Value $ 3,903,000 [16],[17],[18] $ 3,903,000 [19],[20],[21]      
Percentage of Total Net Assets 0.30% [1],[16],[17],[18] 0.30% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Coherus Biosciences, Inc., Royalty Rights          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) [21]   3,626,518      
Cost $ 3,544,000 [18] $ 3,627,000 [21]      
Fair Value $ 6,379,000 [18] $ 5,834,000 [21]      
Percentage of Total Net Assets 0.50% [1],[18] 0.50% [2],[21]      
Investment, Identifier [Axis]: Command Alkon (Project Potter Buyer, LLC), Class B Partnership Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 33,324.7 [10],[18] 33,324.7 [11],[21]      
Cost $ 0 [10],[18] $ 0 [11],[21]      
Fair Value $ 151,000 [10],[18] $ 175,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Compass Precision, LLC, LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 46,085.6 [10],[18] 46,085.6 [11],[21]      
Cost $ 125,000 [10],[18] $ 125,000 [11],[21]      
Fair Value $ 257,000 [10],[18] $ 154,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Compass Precision, LLC, Senior Subordinated Term Loan          
Schedule of Investments [Line Items]          
Interest 11.00% [18] 11.00% [21]      
Investment, interest rate, paid in kind 1.00% [18] 1.00% [21]      
Investment Owned, Balance, Principal Amount $ 650,000 [18] $ 648,000 [21]      
Cost 644,000 [18] 642,000 [21]      
Fair Value $ 644,000 [18] $ 640,000 [21]      
Percentage of Total Net Assets 0.10% [1],[18] 0.10% [2],[21]      
Investment, Identifier [Axis]: Comply365, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18] 5.00% [20],[21],[29]      
Interest 9.40% [16],[17],[18] 9.70% [20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 18,616,000 [16],[17],[18] $ 18,663,000 [20],[21],[29]      
Cost 18,377,000 [16],[17],[18] 18,409,000 [20],[21],[29]      
Fair Value $ 18,188,000 [16],[17],[18] $ 18,663,000 [20],[21],[29]      
Percentage of Total Net Assets 1.50% [1],[16],[17],[18] 1.60% [2],[20],[21],[29]      
Investment, Identifier [Axis]: Comply365, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18],[24] 5.00% [7],[20],[21],[29]      
Interest 9.40% [16],[17],[18],[24] 9.70% [7],[20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 0 [16],[17],[18],[24] $ 0 [7],[20],[21],[29]      
Cost (14,000) [16],[17],[18],[24] (14,000) [7],[20],[21],[29]      
Fair Value $ (25,000) [16],[17],[18],[24] $ 0 [7],[20],[21],[29]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[20],[21],[29]      
Investment, Identifier [Axis]: Contabo Finco S.À.R.L, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [6],[20],[21],[26]   5.15%      
Interest [6],[20],[21],[26]   8.20%      
Investment Owned, Balance, Principal Amount [6],[20],[21],[26]   $ 4,822,000      
Cost [6],[20],[21],[26]   4,555,000      
Fair Value [6],[20],[21],[26]   $ 4,822,000      
Percentage of Total Net Assets [2],[6],[20],[21],[26]   0.40%      
Investment, Identifier [Axis]: Contabo FincoS.À R.L, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [4],[17],[18],[25] 5.15%        
Interest [4],[17],[18],[25] 7.80%        
Investment Owned, Balance, Principal Amount [4],[17],[18],[25] $ 5,030,000        
Cost [4],[17],[18],[25] 4,559,000        
Fair Value [4],[17],[18],[25] $ 5,030,000        
Percentage of Total Net Assets [1],[4],[17],[18],[25] 0.40%        
Investment, Identifier [Axis]: Coyo Uprising GmbH, Class A Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 440 [4],[10],[18] 440 [6],[11],[21]      
Cost $ 205,000 [4],[10],[18] $ 205,000 [6],[11],[21]      
Fair Value $ 217,000 [4],[10],[18] $ 206,000 [6],[11],[21]      
Percentage of Total Net Assets 0.00% [1],[4],[10],[18] 0.00% [2],[6],[11],[21]      
Investment, Identifier [Axis]: Coyo Uprising GmbH, Class B Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 191 [4],[10],[18] 191 [6],[11],[21]      
Cost $ 446,000 [4],[10],[18] $ 446,000 [6],[11],[21]      
Fair Value $ 412,000 [4],[10],[18] $ 381,000 [6],[11],[21]      
Percentage of Total Net Assets 0.00% [1],[4],[10],[18] 0.00% [2],[6],[11],[21]      
Investment, Identifier [Axis]: Coyo Uprising GmbH, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.50% [4],[17],[18],[24],[33] 6.50% [6],[7],[20],[21],[26]      
Interest 9.30% [4],[17],[18],[24],[33] 10.10% [6],[7],[20],[21],[26]      
Investment, interest rate, paid in kind 0.30% [4],[17],[18],[24],[33] 0.30% [6],[7],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 4,953,000 [4],[17],[18],[24],[33] $ 4,748,000 [6],[7],[20],[21],[26]      
Cost 5,198,000 [4],[17],[18],[24],[33] 5,194,000 [6],[7],[20],[21],[26]      
Fair Value $ 4,804,000 [4],[17],[18],[24],[33] $ 4,590,000 [6],[7],[20],[21],[26]      
Percentage of Total Net Assets 0.40% [1],[4],[17],[18],[24],[33] 0.40% [2],[6],[7],[20],[21],[26]      
Investment, Identifier [Axis]: DAWGS Intermediate Holdings Co., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [16],[17],[18] 4.50%        
Interest [16],[17],[18] 8.80%        
Investment Owned, Balance, Principal Amount [16],[17],[18] $ 6,821,000        
Cost [16],[17],[18] 6,752,000        
Fair Value [16],[17],[18] $ 6,752,000        
Percentage of Total Net Assets [1],[16],[17],[18] 0.60%        
Investment, Identifier [Axis]: DAWGS Intermediate Holdings Co., LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) [10],[18] 346.9        
Cost [10],[18] $ 347,000        
Fair Value [10],[18] $ 347,000        
Percentage of Total Net Assets [1],[10],[18] 0.00%        
Investment, Identifier [Axis]: DAWGS Intermediate Holdings Co., Revolver          
Schedule of Investments [Line Items]          
Interest [16],[17],[18],[24] 4.50%        
Interest [16],[17],[18],[24] 8.80%        
Investment Owned, Balance, Principal Amount [16],[17],[18],[24] $ 86,000        
Cost [16],[17],[18],[24] 64,000        
Fair Value [16],[17],[18],[24] $ 64,000        
Percentage of Total Net Assets [1],[16],[17],[18],[24] 0.00%        
Investment, Identifier [Axis]: DISA Holdings Corp., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18] 5.00% [19],[20],[21]      
Interest 9.30% [16],[17],[18] 9.50% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 6,933,000 [16],[17],[18] $ 6,950,000 [19],[20],[21]      
Cost 6,799,000 [16],[17],[18] 6,808,000 [19],[20],[21]      
Fair Value $ 6,933,000 [16],[17],[18] $ 6,950,000 [19],[20],[21]      
Percentage of Total Net Assets 0.60% [1],[16],[17],[18] 0.60% [2],[19],[20],[21]      
Investment, Identifier [Axis]: DISA Holdings Corp., Revolver          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18],[24] 5.00% [7],[19],[20],[21]      
Interest 9.30% [16],[17],[18],[24] 9.50% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 86,000 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost 77,000 [16],[17],[18],[24] (9,000) [7],[19],[20],[21]      
Fair Value $ 86,000 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: DataServ Integrations, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.50% [17],[18],[30] 5.50% [20],[21],[31]      
Interest 10.00% [17],[18],[30] 10.00% [20],[21],[31]      
Investment Owned, Balance, Principal Amount $ 1,871,000 [17],[18],[30] $ 1,871,000 [20],[21],[31]      
Cost 1,845,000 [17],[18],[30] 1,843,000 [20],[21],[31]      
Fair Value $ 1,871,000 [17],[18],[30] $ 1,871,000 [20],[21],[31]      
Percentage of Total Net Assets 0.20% [1],[17],[18],[30] 0.20% [2],[20],[21],[31]      
Investment, Identifier [Axis]: DataServ Integrations, LLC, Partnership Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) [11],[21]   96,153.9      
Cost [11],[21]   $ 96,000      
Fair Value [11],[21]   $ 103,000      
Percentage of Total Net Assets [2],[11],[21]   0.00%      
Investment, Identifier [Axis]: DataServ Integrations, LLC, Preferred Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) [10],[18] 96,153.9        
Cost [10],[18] $ 96,000        
Fair Value [10],[18] $ 117,000        
Percentage of Total Net Assets [1],[10],[18] 0.00%        
Investment, Identifier [Axis]: DataServ Integrations, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 5.50% [17],[18],[24],[30] 5.50% [7],[20],[21],[31]      
Interest 10.00% [17],[18],[24],[30] 10.00% [7],[20],[21],[31]      
Investment Owned, Balance, Principal Amount $ 0 [17],[18],[24],[30] $ 0 [7],[20],[21],[31]      
Cost (6,000) [17],[18],[24],[30] (6,000) [7],[20],[21],[31]      
Fair Value $ 0 [17],[18],[24],[30] $ 0 [7],[20],[21],[31]      
Percentage of Total Net Assets 0.00% [1],[17],[18],[24],[30] 0.00% [2],[7],[20],[21],[31]      
Investment, Identifier [Axis]: David Wood Baking UK Ltd, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 10.00% [4],[17],[18],[36] 10.00% [6],[20],[21],[37]      
Interest 14.70% [4],[17],[18],[36] 14.70% [6],[20],[21],[37]      
Investment Owned, Balance, Principal Amount $ 887,000 [4],[17],[18],[36] $ 861,000 [6],[20],[21],[37]      
Cost 822,000 [4],[17],[18],[36] 820,000 [6],[20],[21],[37]      
Fair Value $ 849,000 [4],[17],[18],[36] $ 818,000 [6],[20],[21],[37]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[36] 0.10% [2],[6],[20],[21],[37]      
Investment, Identifier [Axis]: DecksDirect, LLC, Class A Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 1,016.1 [10],[18] 1,016.1 [11],[21]      
Cost $ 47,000 [10],[18] $ 47,000 [11],[21]      
Fair Value $ 0 [10],[18] $ 0 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: DecksDirect, LLC, Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 1,280.8 [10],[18] 1,280.8 [11],[21]      
Cost $ 55,000 [10],[18] $ 55,000 [11],[21]      
Fair Value $ 0 [10],[18] $ 0 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: DecksDirect, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.50% [16],[17],[18] 6.25% [19],[20],[21]      
Interest 11.00% [16],[17],[18] 10.90% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 1,553,000 [16],[17],[18] $ 1,573,000 [19],[20],[21]      
Cost 1,534,000 [16],[17],[18] 1,552,000 [19],[20],[21]      
Fair Value $ 1,295,000 [16],[17],[18] $ 1,383,000 [19],[20],[21]      
Percentage of Total Net Assets 0.10% [1],[16],[17],[18] 0.10% [2],[19],[20],[21]      
Investment, Identifier [Axis]: DecksDirect, LLC, Preferred Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) [18] 9.5        
Investment, interest rate, paid in kind 13.00%        
Cost [18] $ 10,000        
Fair Value [18] $ 0        
Percentage of Total Net Assets [1],[18] 0.00%        
Investment, Identifier [Axis]: DecksDirect, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 6.50% [16],[17],[18],[24] 6.25% [7],[19],[20],[21]      
Interest 11.00% [16],[17],[18],[24] 10.90% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 254,000 [16],[17],[18],[24] $ 347,000 [7],[19],[20],[21]      
Cost 250,000 [16],[17],[18],[24] 343,000 [7],[19],[20],[21]      
Fair Value $ 191,000 [16],[17],[18],[24] $ 301,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Discovery Buyer, L.P., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [16],[17],[18],[24] 5.00%        
Interest [16],[17],[18],[24] 9.30%        
Investment Owned, Balance, Principal Amount [16],[17],[18],[24] $ 12,508,000        
Cost [16],[17],[18],[24] 12,266,000        
Fair Value [16],[17],[18],[24] $ 12,261,000        
Percentage of Total Net Assets [1],[16],[17],[18],[24] 1.00%        
Investment, Identifier [Axis]: Discovery Buyer, L.P., Revolver          
Schedule of Investments [Line Items]          
Interest [16],[17],[18],[24] 5.00%        
Interest [16],[17],[18],[24] 9.30%        
Investment Owned, Balance, Principal Amount [16],[17],[18],[24] $ 0        
Cost [16],[17],[18],[24] (22,000)        
Fair Value [16],[17],[18],[24] $ (22,000)        
Percentage of Total Net Assets [1],[16],[17],[18],[24] 0.00%        
Investment, Identifier [Axis]: Diversified Packaging Holdings LLC, LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 2,769 [18] 2,769 [11],[21]      
Cost $ 277,000 [18] $ 277,000 [11],[21]      
Fair Value $ 381,000 [18] $ 333,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Diversified Packaging Holdings LLC, Second Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 11.00% [18] 11.00% [21]      
Investment, interest rate, paid in kind 1.50% [18] 1.50% [21]      
Investment Owned, Balance, Principal Amount $ 809,000 [18] $ 729,000 [21]      
Cost 794,000 [18] 715,000 [21]      
Fair Value $ 792,000 [18] $ 717,000 [21]      
Percentage of Total Net Assets 0.10% [1],[18] 0.10% [2],[21]      
Investment, Identifier [Axis]: Dragon Bidco, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.25% [4],[17],[18],[25] 5.50% [6],[20],[21],[26]      
Interest 7.90% [4],[17],[18],[25] 8.60% [6],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 2,701,000 [4],[17],[18],[25] $ 2,589,000 [6],[20],[21],[26]      
Cost 2,841,000 [4],[17],[18],[25] 2,838,000 [6],[20],[21],[26]      
Fair Value $ 2,701,000 [4],[17],[18],[25] $ 2,585,000 [6],[20],[21],[26]      
Percentage of Total Net Assets 0.20% [1],[4],[17],[18],[25] 0.20% [2],[6],[20],[21],[26]      
Investment, Identifier [Axis]: DreamStart Bidco SAS (d/b/a SmartTrade), First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.25% [4],[17],[18],[25] 5.25% [6],[20],[21],[26]      
Interest 8.00% [4],[17],[18],[25] 8.60% [6],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 2,297,000 [4],[17],[18],[25] $ 2,202,000 [6],[20],[21],[26]      
Cost 2,335,000 [4],[17],[18],[25] 2,333,000 [6],[20],[21],[26]      
Fair Value $ 2,297,000 [4],[17],[18],[25] $ 2,202,000 [6],[20],[21],[26]      
Percentage of Total Net Assets 0.20% [1],[4],[17],[18],[25] 0.20% [2],[6],[20],[21],[26]      
Investment, Identifier [Axis]: Dryden 49 Senior Loan Fund, Series 2017-49A, Subordinated Structured Notes          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 17,233,000 [4],[8],[10] $ 17,233,000 [6],[9],[11]      
Cost 2,414,000 [4],[8],[10] 2,766,000 [6],[9],[11]      
Fair Value $ 46,000 [4],[8],[10] $ 437,000 [6],[9],[11]      
Percentage of Total Net Assets 0.00% [1],[4],[8],[10] 0.00% [2],[6],[9],[11]      
Investment, interest, current yield 0.00% [4],[8],[10] 0.00% [6],[9],[11]      
Investment, Identifier [Axis]: Dune Group, First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 4.00% [4],[17],[18],[24],[33] 4.00% [6],[7],[20],[21],[26]      
Interest 6.60% [4],[17],[18],[24],[33] 6.60% [6],[7],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 125,000 [4],[17],[18],[24],[33] $ 120,000 [6],[7],[20],[21],[26]      
Cost 118,000 [4],[17],[18],[24],[33] 117,000 [6],[7],[20],[21],[26]      
Fair Value $ 97,000 [4],[17],[18],[24],[33] $ 91,000 [6],[7],[20],[21],[26]      
Percentage of Total Net Assets 0.00% [1],[4],[17],[18],[24],[33] 0.00% [2],[6],[7],[20],[21],[26]      
Investment, Identifier [Axis]: Dune Group, First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 4.00% [4],[16],[17],[18] 4.00% [6],[19],[20],[21]      
Interest 8.30% [4],[16],[17],[18] 8.80% [6],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 1,434,000 [4],[16],[17],[18] $ 204,000 [6],[19],[20],[21]      
Cost 1,422,000 [4],[16],[17],[18] 204,000 [6],[19],[20],[21]      
Fair Value $ 1,361,000 [4],[16],[17],[18] $ 193,000 [6],[19],[20],[21]      
Percentage of Total Net Assets 0.10% [1],[4],[16],[17],[18] 0.00% [2],[6],[19],[20],[21]      
Investment, Identifier [Axis]: Dune Group, First Lien Senior Secured Term Loan 3          
Schedule of Investments [Line Items]          
Interest [6],[19],[20],[21]   4.00%      
Interest [6],[19],[20],[21]   6.30%      
Investment, interest rate, paid in kind [6],[19],[20],[21]   2.30%      
Investment Owned, Balance, Principal Amount [6],[19],[20],[21]   $ 1,230,000      
Cost [6],[19],[20],[21]   1,218,000      
Fair Value [6],[19],[20],[21]   $ 1,164,000      
Percentage of Total Net Assets [2],[6],[19],[20],[21]   0.10%      
Investment, Identifier [Axis]: Dunlipharder B.V., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.25% [4],[16],[17],[18] 5.25% [6],[19],[20],[21]      
Interest 9.60% [4],[16],[17],[18] 9.90% [6],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 1,000,000 [4],[16],[17],[18] $ 1,000,000 [6],[19],[20],[21]      
Cost 991,000 [4],[16],[17],[18] 991,000 [6],[19],[20],[21]      
Fair Value $ 999,000 [4],[16],[17],[18] $ 998,000 [6],[19],[20],[21]      
Percentage of Total Net Assets 0.10% [1],[4],[16],[17],[18] 0.10% [2],[6],[19],[20],[21]      
Investment, Identifier [Axis]: Dwyer Instruments, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.75% [16],[17],[18] 4.75% [19],[20],[21]      
Interest 9.10% [16],[17],[18] 9.50% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 14,590,000 [16],[17],[18] $ 14,625,000 [19],[20],[21]      
Cost 14,402,000 [16],[17],[18] 14,426,000 [19],[20],[21]      
Fair Value $ 14,422,000 [16],[17],[18] $ 14,433,000 [19],[20],[21]      
Percentage of Total Net Assets 1.20% [1],[16],[17],[18] 1.20% [2],[19],[20],[21]      
Investment, Identifier [Axis]: EB Development, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.50% [4],[17],[18],[24],[25] 5.50% [6],[7],[20],[21],[26]      
Interest 7.90% [4],[17],[18],[24],[25] 8.30% [6],[7],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 1,901,000 [4],[17],[18],[24],[25] $ 2,036,000 [6],[7],[20],[21],[26]      
Cost 1,783,000 [4],[17],[18],[24],[25] 1,996,000 [6],[7],[20],[21],[26]      
Fair Value $ 1,834,000 [4],[17],[18],[24],[25] $ 1,971,000 [6],[7],[20],[21],[26]      
Percentage of Total Net Assets 0.20% [1],[4],[17],[18],[24],[25] 0.20% [2],[6],[7],[20],[21],[26]      
Investment, Identifier [Axis]: EFC International, Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 163.83 [10],[18] 163.83 [11],[21]      
Cost $ 231,000 [10],[18] $ 231,000 [11],[21]      
Fair Value $ 317,000 [10],[18] $ 380,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: EFC International, Senior Unsecured Term Loan          
Schedule of Investments [Line Items]          
Interest 11.00% [18] 11.00% [21]      
Investment, interest rate, paid in kind 2.50% [18] 2.50% [21]      
Investment Owned, Balance, Principal Amount $ 811,000 [18] $ 806,000 [21]      
Cost 793,000 [18] 787,000 [21]      
Fair Value $ 803,000 [18] $ 797,000 [21]      
Percentage of Total Net Assets 0.10% [1],[18] 0.10% [2],[21]      
Investment, Identifier [Axis]: EMI Porta Holdco LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.75% [16],[17],[18] 5.75% [19],[20],[21]      
Interest 10.20% [16],[17],[18] 10.50% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 12,353,000 [16],[17],[18] $ 12,403,000 [19],[20],[21]      
Cost 12,228,000 [16],[17],[18] 12,268,000 [19],[20],[21]      
Fair Value $ 11,599,000 [16],[17],[18] $ 11,696,000 [19],[20],[21]      
Percentage of Total Net Assets 1.00% [1],[16],[17],[18] 1.00% [2],[19],[20],[21]      
Investment, Identifier [Axis]: EMI Porta Holdco LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 5.75% [17],[18],[24],[28] 5.75% [7],[19],[20],[21]      
Interest 10.20% [17],[18],[24],[28] 10.50% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 534,000 [17],[18],[24],[28] $ 712,000 [7],[19],[20],[21]      
Cost 507,000 [17],[18],[24],[28] 683,000 [7],[19],[20],[21]      
Fair Value $ 353,000 [17],[18],[24],[28] $ 543,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[17],[18],[24],[28] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Echo Global Logistics, Inc., Partnership Equity          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 530.92 [10],[18] 530.92 [11],[21]      
Cost $ 531,000 [10],[18] $ 531,000 [11],[21]      
Fair Value $ 375,000 [10],[18] $ 417,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Echo Global Logistics, Inc., Second Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 7.00% [17],[18],[28] 7.00% [20],[21],[29]      
Interest 11.40% [17],[18],[28] 11.70% [20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 9,469,000 [17],[18],[28] $ 9,469,000 [20],[21],[29]      
Cost 9,371,000 [17],[18],[28] 9,366,000 [20],[21],[29]      
Fair Value $ 9,469,000 [17],[18],[28] $ 9,450,000 [20],[21],[29]      
Percentage of Total Net Assets 0.80% [1],[17],[18],[28] 0.80% [2],[20],[21],[29]      
Investment, Identifier [Axis]: Eclipse Business Capital Holdings LLC, Revolver          
Schedule of Investments [Line Items]          
Fair Value         $ 4,500,000
Investment, Identifier [Axis]: Eclipse Business Capital Holdings LLC, Revolver, Funded          
Schedule of Investments [Line Items]          
Fair Value $ 11,300,000 $ 10,100,000      
Investment, Identifier [Axis]: Eclipse Business Capital Holdings LLC, Revolver, Unfunded          
Schedule of Investments [Line Items]          
Fair Value       $ 22,700,000 13,600,000
Investment, Identifier [Axis]: Eclipse Business Capital Holdings LLC, Second Lien Senior Secured Loan          
Schedule of Investments [Line Items]          
Fair Value         $ 89,800,000
Investment, Identifier [Axis]: Eclipse Business Capital, LLC units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 89,447,396 [53] 89,447,396 [54]      
Fair Value $ 136,855,000 [53] $ 136,855,000 [53] 145,799,000 [54]    
Investment, Identifier [Axis]: Eclipse Business Capital, LLC, LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 89,447,396 [18] 89,447,396 [21]      
Cost $ 93,052,000 [18] $ 93,029,000 [21]      
Fair Value $ 136,855,000 [18] $ 136,855,000 [21]      
Percentage of Total Net Assets 11.50% [1],[18] 11.50% [2],[21]      
Investment, Identifier [Axis]: Eclipse Business Capital, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 6.50% [18],[24],[28] 7.25% [7],[21],[29]      
Interest 10.90% [18],[24],[28] 11.90% [7],[21],[29]      
Investment Owned, Balance, Principal Amount $ 11,273,000 [18],[24],[28] $ 10,091,000 [7],[21],[29]      
Cost 11,202,000 [18],[24],[28] 10,022,000 [7],[21],[29]      
Fair Value $ 11,273,000 [18],[24],[28] $ 10,091,000 [7],[21],[29]      
Percentage of Total Net Assets 0.90% [1],[18],[24],[28] 0.80% [2],[7],[21],[29]      
Investment, Identifier [Axis]: Eclipse Business Capital, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 6.50% [53] 7.25% [54]      
Interest 10.90% [53] 11.90% [54]      
Fair Value $ 11,273,000 [53] $ 10,091,000 [53] 5,545,000 [54]    
Investment, Identifier [Axis]: Eclipse Business Capital, LLC, Second Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 7.50% [18] 7.50% [21]      
Investment Owned, Balance, Principal Amount $ 4,545,000 [18] $ 4,545,000 [21]      
Cost 4,521,000 [18] 4,520,000 [21]      
Fair Value $ 4,545,000 [18] $ 4,545,000 [21]      
Percentage of Total Net Assets 0.40% [1],[18] 0.40% [2],[21]      
Investment, Identifier [Axis]: Eclipse Business Capital, Second Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 7.50% [53] 7.50% [54]      
Fair Value $ 4,545,000 [53] $ 4,545,000 [53] 4,545,000 [54]    
Investment, Identifier [Axis]: Electric Equipment & Engineering Co., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 10.50% [18] 10.50% [21]      
Investment, interest rate, paid in kind 3.00% [18] 3.00% [21]      
Investment Owned, Balance, Principal Amount $ 316,000 [18] $ 313,000 [21]      
Cost 310,000 [18] 307,000 [21]      
Fair Value $ 310,000 [18] $ 307,000 [21]      
Percentage of Total Net Assets 0.00% [1],[18] 0.00% [2],[21]      
Investment, Identifier [Axis]: Electric Equipment & Engineering Co., LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 187,500 [10],[18] 187,500 [11],[21]      
Cost $ 188,000 [10],[18] $ 188,000 [11],[21]      
Fair Value $ 195,000 [10],[18] $ 188,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Electrical Components International, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.50% [16],[17],[18],[24] 6.50% [7],[20],[21],[31]      
Interest 10.80% [16],[17],[18],[24] 11.30% [7],[20],[21],[31]      
Investment Owned, Balance, Principal Amount $ 10,585,000 [16],[17],[18],[24] $ 10,612,000 [7],[20],[21],[31]      
Cost 10,401,000 [16],[17],[18],[24] 10,419,000 [7],[20],[21],[31]      
Fair Value $ 10,395,000 [16],[17],[18],[24] $ 10,410,000 [7],[20],[21],[31]      
Percentage of Total Net Assets 0.90% [1],[16],[17],[18],[24] 0.90% [2],[7],[20],[21],[31]      
Investment, Identifier [Axis]: Ellkay, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 7.50% [16],[17],[18] 5.50% [19],[20],[21]      
Interest 10.00% [16],[17],[18] 8.00% [19],[20],[21]      
Investment, interest rate, paid in kind 2.00% [16],[17],[18] 2.00% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 4,900,000 [16],[17],[18] $ 4,924,000 [19],[20],[21]      
Cost 4,855,000 [16],[17],[18] 4,875,000 [19],[20],[21]      
Fair Value $ 4,478,000 [16],[17],[18] $ 4,348,000 [19],[20],[21]      
Percentage of Total Net Assets 0.40% [1],[16],[17],[18] 0.40% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Entact Environmental Services, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.75% [16],[17],[18] 5.75% [19],[20],[21]      
Interest 10.00% [16],[17],[18] 10.40% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 6,515,000 [16],[17],[18] $ 6,704,000 [19],[20],[21]      
Cost 6,488,000 [16],[17],[18] 6,671,000 [19],[20],[21]      
Fair Value $ 6,495,000 [16],[17],[18] $ 6,624,000 [19],[20],[21]      
Percentage of Total Net Assets 0.50% [1],[16],[17],[18] 0.60% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Eurofins Digital Testing International LUX Holding SARL, First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 7.00% [4],[17],[18],[33],[43] 7.00% [6],[20],[21],[32],[44]      
Investment, interest rate, paid in kind 9.40% [4],[17],[18],[33],[43] 9.60% [6],[20],[21],[32],[44]      
Investment Owned, Balance, Principal Amount $ 1,748,000 [4],[17],[18],[33],[43] $ 1,676,000 [6],[20],[21],[32],[44]      
Cost 1,497,000 [4],[17],[18],[33],[43] 1,497,000 [6],[20],[21],[32],[44]      
Fair Value $ 836,000 [4],[17],[18],[33],[43] $ 831,000 [6],[20],[21],[32],[44]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[33],[43] 0.10% [2],[6],[20],[21],[32],[44]      
Investment, Identifier [Axis]: Eurofins Digital Testing International LUX Holding SARL, First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 7.00% [4],[16],[17],[18],[43] 7.00% [6],[19],[20],[21],[44]      
Investment, interest rate, paid in kind 12.40% [4],[16],[17],[18],[43] 11.30% [6],[19],[20],[21],[44]      
Investment Owned, Balance, Principal Amount $ 913,000 [4],[16],[17],[18],[43] $ 913,000 [6],[19],[20],[21],[44]      
Cost 781,000 [4],[16],[17],[18],[43] 781,000 [6],[19],[20],[21],[44]      
Fair Value $ 437,000 [4],[16],[17],[18],[43] $ 453,000 [6],[19],[20],[21],[44]      
Percentage of Total Net Assets 0.00% [1],[4],[16],[17],[18],[43] 0.00% [2],[6],[19],[20],[21],[44]      
Investment, Identifier [Axis]: Eurofins Digital Testing International LUX Holding SARL, First Lien Senior Secured Term Loan 3          
Schedule of Investments [Line Items]          
Interest 7.00% [4],[17],[18],[36],[43] 7.00% [6],[20],[21],[37],[44]      
Investment, interest rate, paid in kind 12.40% [4],[17],[18],[36],[43] 11.50% [6],[20],[21],[37],[44]      
Investment Owned, Balance, Principal Amount $ 2,423,000 [4],[17],[18],[36],[43] $ 2,351,000 [6],[20],[21],[37],[44]      
Cost 2,258,000 [4],[17],[18],[36],[43] 2,258,000 [6],[20],[21],[37],[44]      
Fair Value $ 1,158,000 [4],[17],[18],[36],[43] $ 1,165,000 [6],[20],[21],[37],[44]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[36],[43] 0.10% [2],[6],[20],[21],[37],[44]      
Investment, Identifier [Axis]: Eurofins Digital Testing International LUX Holding SARL, Senior Subordinated Term Loan          
Schedule of Investments [Line Items]          
Investment, interest rate, paid in kind 11.50% [4],[18],[43] 11.50% [6],[21],[44]      
Investment Owned, Balance, Principal Amount $ 745,000 [4],[18],[43] $ 690,000 [6],[21],[44]      
Cost 642,000 [4],[18],[43] 642,000 [6],[21],[44]      
Fair Value $ 0 [4],[18],[43] $ 0 [6],[21],[44]      
Percentage of Total Net Assets 0.00% [1],[4],[18],[43] 0.00% [2],[6],[21],[44]      
Investment, Identifier [Axis]: Events Software BidCo Pty Ltd, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.50% [4],[17],[18],[24],[38] 6.50% [6],[7],[20],[21],[39]      
Interest 11.00% [4],[17],[18],[24],[38] 11.00% [6],[7],[20],[21],[39]      
Investment Owned, Balance, Principal Amount $ 1,580,000 [4],[17],[18],[24],[38] $ 1,561,000 [6],[7],[20],[21],[39]      
Cost 1,854,000 [4],[17],[18],[24],[38] 1,842,000 [6],[7],[20],[21],[39]      
Fair Value $ 1,340,000 [4],[17],[18],[24],[38] $ 1,336,000 [6],[7],[20],[21],[39]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[24],[38] 0.10% [2],[6],[7],[20],[21],[39]      
Investment, Identifier [Axis]: Expert Institute Group Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [16],[17],[18],[24] 4.50%        
Interest [16],[17],[18],[24] 8.80%        
Investment Owned, Balance, Principal Amount [16],[17],[18],[24] $ 2,605,000        
Cost [16],[17],[18],[24] 2,554,000        
Fair Value [16],[17],[18],[24] $ 2,553,000        
Percentage of Total Net Assets [1],[16],[17],[18],[24] 0.20%        
Investment, Identifier [Axis]: Expert Institute Group Inc., Revolver          
Schedule of Investments [Line Items]          
Interest [16],[17],[18],[24] 4.50%        
Interest [16],[17],[18],[24] 8.80%        
Investment Owned, Balance, Principal Amount [16],[17],[18],[24] $ 0        
Cost [16],[17],[18],[24] (14,000)        
Fair Value [16],[17],[18],[24] $ (14,000)        
Percentage of Total Net Assets [1],[16],[17],[18],[24] 0.00%        
Investment, Identifier [Axis]: Express Wash Acquisition Company, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.50% [16],[17],[18] 6.50% [19],[20],[21]      
Interest 11.10% [16],[17],[18] 11.40% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 6,387,000 [16],[17],[18] $ 6,390,000 [19],[20],[21]      
Cost 6,316,000 [16],[17],[18] 6,313,000 [19],[20],[21]      
Fair Value $ 6,259,000 [16],[17],[18] $ 5,955,000 [19],[20],[21]      
Percentage of Total Net Assets 0.50% [1],[16],[17],[18] 0.50% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Express Wash Acquisition Company, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 6.50% [16],[17],[18],[24] 6.50% [7],[19],[20],[21]      
Interest 11.10% [16],[17],[18],[24] 11.40% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 141,000 [16],[17],[18],[24] $ 141,000 [7],[19],[20],[21]      
Cost 138,000 [16],[17],[18],[24] 138,000 [7],[19],[20],[21]      
Fair Value $ 136,000 [16],[17],[18],[24] $ 124,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: FL Hawk Intermediate Holdings, Inc. (f.k.a. Fineline Technologies, Inc.), First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [19],[20],[21]   4.50%      
Interest [19],[20],[21]   9.10%      
Investment Owned, Balance, Principal Amount [19],[20],[21]   $ 12,028,000      
Cost [19],[20],[21]   11,995,000      
Fair Value [19],[20],[21]   $ 11,950,000      
Percentage of Total Net Assets [2],[19],[20],[21]   1.00%      
Investment, Identifier [Axis]: FL Hawk Intermediate Holdings, Inc. (f/k/a Fineline Technologies, Inc.), First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [16],[17],[18] 4.50%        
Interest [16],[17],[18] 8.80%        
Investment Owned, Balance, Principal Amount [16],[17],[18] $ 11,998,000        
Cost [16],[17],[18] 11,966,000        
Fair Value [16],[17],[18] $ 11,998,000        
Percentage of Total Net Assets [1],[16],[17],[18] 1.00%        
Investment, Identifier [Axis]: FSS Buyer LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [17],[18],[28] 5.00% [20],[21],[29]      
Interest 9.30% [17],[18],[28] 9.60% [20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 4,728,000 [17],[18],[28] $ 4,740,000 [20],[21],[29]      
Cost 4,681,000 [17],[18],[28] 4,690,000 [20],[21],[29]      
Fair Value $ 4,728,000 [17],[18],[28] $ 4,740,000 [20],[21],[29]      
Percentage of Total Net Assets 0.40% [1],[17],[18],[28] 0.40% [2],[20],[21],[29]      
Investment, Identifier [Axis]: FSS Buyer LLC, LP Interest          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 1,160.9 [18] 1,160.9 [21]      
Cost $ 12,000 [18] $ 12,000 [21]      
Fair Value $ 17,000 [18] $ 17,000 [21]      
Percentage of Total Net Assets 0.00% [1],[18] 0.00% [2],[21]      
Investment, Identifier [Axis]: FSS Buyer LLC, LP Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 5,104.3 [10],[18] 5,104.3 [11],[21]      
Cost $ 51,000 [10],[18] $ 51,000 [11],[21]      
Fair Value $ 74,000 [10],[18] $ 74,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Faraday, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.10% [4],[17],[18],[25] 6.25% [6],[7],[20],[21],[26]      
Interest 8.50% [4],[17],[18],[25] 9.60% [6],[7],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 1,645,000 [4],[17],[18],[25] $ 1,577,000 [6],[7],[20],[21],[26]      
Cost 1,626,000 [4],[17],[18],[25] 1,600,000 [6],[7],[20],[21],[26]      
Fair Value $ 1,633,000 [4],[17],[18],[25] $ 1,552,000 [6],[7],[20],[21],[26]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[25] 0.10% [2],[6],[7],[20],[21],[26]      
Investment, Identifier [Axis]: Ferrellgas L.P., Opco Preferred Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 2,886 [18] 2,886 [21]      
Cost $ 2,799,000 [18] $ 2,799,000 [21]      
Fair Value $ 2,799,000 [18] $ 2,799,000 [21]      
Percentage of Total Net Assets 0.20% [1],[18] 0.20% [2],[21]      
Investment, Identifier [Axis]: FinThrive Software Intermediate Holdings Inc., Preferred Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 6,582.7 [18] 6,582.7 [21]      
Investment, interest rate, paid in kind 11.00% [18] 11.00% [21]      
Cost $ 9,830,000 [18] $ 9,830,000 [21]      
Fair Value $ 5,944,000 [18] $ 5,608,000 [21]      
Percentage of Total Net Assets 0.50% [1],[18] 0.50% [2],[21]      
Investment, Identifier [Axis]: Finaxy Holding, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.25% [4],[17],[18],[33] 6.25% [6],[20],[21],[32]      
Interest 7.80% [4],[17],[18],[33] 9.30% [6],[20],[21],[32]      
Investment Owned, Balance, Principal Amount $ 4,067,000 [4],[17],[18],[33] $ 3,899,000 [6],[20],[21],[32]      
Cost 3,937,000 [4],[17],[18],[33] 3,935,000 [6],[20],[21],[32]      
Fair Value $ 3,994,000 [4],[17],[18],[33] $ 3,872,000 [6],[20],[21],[32]      
Percentage of Total Net Assets 0.30% [1],[4],[17],[18],[33] 0.30% [2],[6],[20],[21],[32]      
Investment, Identifier [Axis]: Finexvet, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.50% [4],[17],[18],[33] 6.50% [6],[20],[21],[32]      
Interest 9.10% [4],[17],[18],[33] 10.20% [6],[20],[21],[32]      
Investment Owned, Balance, Principal Amount $ 4,887,000 [4],[17],[18],[33] $ 4,685,000 [6],[20],[21],[32]      
Cost 4,877,000 [4],[17],[18],[33] 4,872,000 [6],[20],[21],[32]      
Fair Value $ 4,848,000 [4],[17],[18],[33] $ 4,613,000 [6],[20],[21],[32]      
Percentage of Total Net Assets 0.40% [1],[4],[17],[18],[33] 0.40% [2],[6],[20],[21],[32]      
Investment, Identifier [Axis]: FitzMark Buyer, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.75% [17],[18],[28] 4.75% [20],[21],[29]      
Interest 9.20% [17],[18],[28] 9.40% [20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 4,119,000 [17],[18],[28] $ 4,130,000 [20],[21],[29]      
Cost 4,094,000 [17],[18],[28] 4,101,000 [20],[21],[29]      
Fair Value $ 4,119,000 [17],[18],[28] $ 4,128,000 [20],[21],[29]      
Percentage of Total Net Assets 0.30% [1],[17],[18],[28] 0.30% [2],[20],[21],[29]      
Investment, Identifier [Axis]: Five Star Holding LLC, LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 966.99 [10],[18] 966.99 [11],[21]      
Cost $ 967,000 [10],[18] $ 967,000 [11],[21]      
Fair Value $ 564,000 [10],[18] $ 564,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Five Star Holding LLC, Second Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 7.25% [16],[17],[18] 7.25% [19],[20],[21]      
Interest 11.60% [16],[17],[18] 11.80% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 13,692,000 [16],[17],[18] $ 13,692,000 [19],[20],[21]      
Cost 13,498,000 [16],[17],[18] 13,489,000 [19],[20],[21]      
Fair Value $ 13,268,000 [16],[17],[18] $ 13,198,000 [19],[20],[21]      
Percentage of Total Net Assets 1.10% [1],[16],[17],[18] 1.10% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Flexential Issuer, LLC, Structured Secured Note - Class C          
Schedule of Investments [Line Items]          
Interest 6.90% 6.90%      
Investment Owned, Balance, Principal Amount $ 16,000,000 $ 16,000,000      
Cost 14,891,000 14,885,000      
Fair Value $ 15,862,000 $ 15,339,000      
Percentage of Total Net Assets 1.30% [1] 1.30% [2]      
Investment, Identifier [Axis]: Flywheel Re Segregated Portfolio 2022-4, Preferred Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 2,828,286 [4],[10],[18] 2,828,286 [6],[11],[21]      
Cost $ 2,828,000 [4],[10],[18] $ 2,828,000 [6],[11],[21]      
Fair Value $ 4,497,000 [4],[10],[18] $ 3,875,000 [6],[11],[21]      
Percentage of Total Net Assets 0.40% [1],[4],[10],[18] 0.30% [2],[6],[11],[21]      
Investment, Identifier [Axis]: Footco 40 Limited, First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 6.50% [4],[17],[18],[25] 6.50% [6],[20],[21],[26]      
Interest 9.20% [4],[17],[18],[25] 10.20% [6],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 227,000 [4],[17],[18],[25] $ 218,000 [6],[20],[21],[26]      
Cost 223,000 [4],[17],[18],[25] 223,000 [6],[20],[21],[26]      
Fair Value $ 226,000 [4],[17],[18],[25] $ 217,000 [6],[20],[21],[26]      
Percentage of Total Net Assets 0.00% [1],[4],[17],[18],[25] 0.00% [2],[6],[20],[21],[26]      
Investment, Identifier [Axis]: Footco 40 Limited, First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 6.50% [4],[17],[18],[24],[35] 6.50% [6],[7],[20],[21],[34]      
Interest 10.90% [4],[17],[18],[24],[35] 11.50% [6],[7],[20],[21],[34]      
Investment Owned, Balance, Principal Amount $ 1,648,000 [4],[17],[18],[24],[35] $ 1,599,000 [6],[7],[20],[21],[34]      
Cost 1,640,000 [4],[17],[18],[24],[35] 1,638,000 [6],[7],[20],[21],[34]      
Fair Value $ 1,639,000 [4],[17],[18],[24],[35] $ 1,588,000 [6],[7],[20],[21],[34]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[24],[35] 0.10% [2],[6],[7],[20],[21],[34]      
Investment, Identifier [Axis]: Forest Buyer, LLC, Class A LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 122 [18] 122 [11],[21]      
Cost $ 122,000 [18] $ 122,000 [11],[21]      
Fair Value $ 132,000 [18] $ 130,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Forest Buyer, LLC, Class B LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 122 [10],[18] 122 [11],[21]      
Cost $ 0 [10],[18] $ 0 [11],[21]      
Fair Value $ 136,000 [10],[18] $ 124,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Forest Buyer, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18] 5.00% [19],[20],[21]      
Interest 9.30% [16],[17],[18] 9.60% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 6,107,000 [16],[17],[18] $ 6,134,000 [19],[20],[21]      
Cost 6,026,000 [16],[17],[18] 6,049,000 [19],[20],[21]      
Fair Value $ 6,107,000 [16],[17],[18] $ 6,091,000 [19],[20],[21]      
Percentage of Total Net Assets 0.50% [1],[16],[17],[18] 0.50% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Forest Buyer, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18],[24] 5.00% [7],[19],[20],[21]      
Interest 9.30% [16],[17],[18],[24] 9.60% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost (6,000) [16],[17],[18],[24] (6,000) [7],[19],[20],[21]      
Fair Value $ 0 [16],[17],[18],[24] $ (2,000) [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Fortis Payment Systems, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [7],[19],[20],[21]   5.25%      
Interest [7],[19],[20],[21]   10.00%      
Investment Owned, Balance, Principal Amount [7],[19],[20],[21]   $ 8,944,000      
Cost [7],[19],[20],[21]   8,841,000      
Fair Value [7],[19],[20],[21]   $ 8,815,000      
Percentage of Total Net Assets [2],[7],[19],[20],[21]   0.70%      
Investment, Identifier [Axis]: Fortis Payment Systems, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest [7],[19],[20],[21]   5.25%      
Interest [7],[19],[20],[21]   10.00%      
Investment Owned, Balance, Principal Amount [7],[19],[20],[21]   $ 0      
Cost [7],[19],[20],[21]   (7,000)      
Fair Value [7],[19],[20],[21]   $ (9,000)      
Percentage of Total Net Assets [2],[7],[19],[20],[21]   0.00%      
Investment, Identifier [Axis]: FragilePak LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.75% [16],[17],[18] 5.75% [19],[20],[21]      
Interest 10.20% [16],[17],[18] 10.50% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 4,532,000 [16],[17],[18] $ 4,544,000 [19],[20],[21]      
Cost 4,481,000 [16],[17],[18] 4,487,000 [19],[20],[21]      
Fair Value $ 4,532,000 [16],[17],[18] $ 4,544,000 [19],[20],[21]      
Percentage of Total Net Assets 0.40% [1],[16],[17],[18] 0.40% [2],[19],[20],[21]      
Investment, Identifier [Axis]: FragilePak LLC, Partnership Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 937.5 [10],[18] 937.5 [11],[21]      
Cost $ 938,000 [10],[18] $ 938,000 [11],[21]      
Fair Value $ 680,000 [10],[18] $ 767,000 [11],[21]      
Percentage of Total Net Assets 0.10% [1],[10],[18] 0.10% [2],[11],[21]      
Investment, Identifier [Axis]: GB Eagle Buyer, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.75% [16],[17],[18],[24] 6.25% [7],[19],[20],[21]      
Interest 9.00% [16],[17],[18],[24] 10.90% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 9,218,000 [16],[17],[18],[24] $ 9,244,000 [7],[19],[20],[21]      
Cost 9,024,000 [16],[17],[18],[24] 9,038,000 [7],[19],[20],[21]      
Fair Value $ 9,148,000 [16],[17],[18],[24] $ 9,129,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.80% [1],[16],[17],[18],[24] 0.80% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: GB Eagle Buyer, Inc., Partnership Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 687 [18] 687 [21]      
Cost $ 687,000 [18] $ 687,000 [21]      
Fair Value $ 1,419,000 [18] $ 1,350,000 [21]      
Percentage of Total Net Assets 0.10% [1],[18] 0.10% [2],[21]      
Investment, Identifier [Axis]: GB Eagle Buyer, Inc., Revolver          
Schedule of Investments [Line Items]          
Interest 4.75% [16],[17],[18],[24] 6.25% [7],[19],[20],[21]      
Interest 9.00% [16],[17],[18],[24] 10.90% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 289,000 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost 246,000 [16],[17],[18],[24] (46,000) [7],[19],[20],[21]      
Fair Value $ 276,000 [16],[17],[18],[24] $ (23,000) [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: GCDL LLC, Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 243,243.24 [10],[18] 243,243.24 [11],[21]      
Cost $ 243,000 [10],[18] $ 243,000 [11],[21]      
Fair Value $ 314,000 [10],[18] $ 243,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: GCDL LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.00% [16],[17],[18],[24] 6.00% [7],[19],[20],[21]      
Interest 10.30% [16],[17],[18],[24] 10.40% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 538,000 [16],[17],[18],[24] $ 539,000 [7],[19],[20],[21]      
Cost 529,000 [16],[17],[18],[24] 529,000 [7],[19],[20],[21]      
Fair Value $ 529,000 [16],[17],[18],[24] $ 529,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: GCDL LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 6.00% [16],[17],[18],[24] 6.00% [7],[19],[20],[21]      
Interest 10.30% [16],[17],[18],[24] 10.40% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost (2,000) [16],[17],[18],[24] (2,000) [7],[19],[20],[21]      
Fair Value $ (2,000) [16],[17],[18],[24] $ (2,000) [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: GPNZ II GmbH, Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 5,785 [4],[10],[18] 5,785 [6],[11],[21]      
Cost $ 0 [4],[10],[18] $ 0 [6],[11],[21]      
Fair Value $ 0 [4],[10],[18] $ 0 [6],[11],[21]      
Percentage of Total Net Assets 0.00% [1],[4],[10],[18] 0.00% [2],[6],[11],[21]      
Investment, Identifier [Axis]: GPNZ II GmbH, First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Investment, interest rate, paid in kind 10.00% [4],[18] 10.00% [6],[21]      
Investment Owned, Balance, Principal Amount $ 294,000 [4],[18] $ 271,000 [6],[21]      
Cost 296,000 [4],[18] 285,000 [6],[21]      
Fair Value $ 294,000 [4],[18] $ 271,000 [6],[21]      
Percentage of Total Net Assets 0.00% [1],[4],[18] 0.00% [2],[6],[21]      
Investment, Identifier [Axis]: GPNZ II GmbH, First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Investment, interest rate, paid in kind 10.00% [4],[18] 10.00% [6],[7],[20],[21]      
Investment Owned, Balance, Principal Amount $ 86,000 [4],[18] $ 33,000 [6],[7],[20],[21]      
Cost 85,000 [4],[18] 34,000 [6],[7],[20],[21]      
Fair Value $ 86,000 [4],[18] $ 33,000 [6],[7],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[4],[18] 0.00% [2],[6],[7],[20],[21]      
Investment, Identifier [Axis]: GPNZ II GmbH, First Lien Senior Secured Term Loan 3          
Schedule of Investments [Line Items]          
Interest [6],[20],[21],[41],[44]   6.00%      
Interest [6],[20],[21],[41],[44]   8.70%      
Investment, interest rate, paid in kind [4],[18],[24] 10.00%        
Investment Owned, Balance, Principal Amount $ 0 [4],[18],[24] $ 446,000 [6],[20],[21],[41],[44]      
Cost 0 [4],[18],[24] 446,000 [6],[20],[21],[41],[44]      
Fair Value $ 0 [4],[18],[24] $ 189,000 [6],[20],[21],[41],[44]      
Percentage of Total Net Assets 0.00% [1],[4],[18],[24] 0.00% [2],[6],[20],[21],[41],[44]      
Investment, Identifier [Axis]: GPNZ II GmbH, First Lien Senior Secured Term Loan 4          
Schedule of Investments [Line Items]          
Interest [4],[17],[18],[40],[43] 6.00%        
Investment, interest rate, paid in kind [4],[17],[18],[40],[43] 9.90%        
Investment Owned, Balance, Principal Amount [4],[17],[18],[40],[43] $ 465,000        
Cost [4],[17],[18],[40],[43] 446,000        
Fair Value [4],[17],[18],[40],[43] $ 24,000        
Percentage of Total Net Assets [1],[4],[17],[18],[40],[43] 0.00%        
Investment, Identifier [Axis]: Global Academic Group Limited, First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 4.91% [4],[17],[18],[38] 5.50% [6],[20],[21],[39]      
Interest 9.20% [4],[17],[18],[38] 9.30% [6],[20],[21],[39]      
Investment Owned, Balance, Principal Amount $ 2,520,000 [4],[17],[18],[38] $ 2,284,000 [6],[20],[21],[39]      
Cost 2,758,000 [4],[17],[18],[38] 2,530,000 [6],[20],[21],[39]      
Fair Value $ 2,520,000 [4],[17],[18],[38] $ 2,284,000 [6],[20],[21],[39]      
Percentage of Total Net Assets 0.20% [1],[4],[17],[18],[38] 0.20% [2],[6],[20],[21],[39]      
Investment, Identifier [Axis]: Global Academic Group Limited, First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 4.91% [4],[17],[18],[24],[55] 5.50% [6],[7],[20],[21],[56]      
Interest 8.90% [4],[17],[18],[24],[55] 9.30% [6],[7],[20],[21],[56]      
Investment Owned, Balance, Principal Amount $ 4,043,000 [4],[17],[18],[24],[55] $ 4,000,000 [6],[7],[20],[21],[56]      
Cost 4,400,000 [4],[17],[18],[24],[55] 4,389,000 [6],[7],[20],[21],[56]      
Fair Value $ 4,043,000 [4],[17],[18],[24],[55] $ 4,000,000 [6],[7],[20],[21],[56]      
Percentage of Total Net Assets 0.30% [1],[4],[17],[18],[24],[55] 0.30% [2],[6],[7],[20],[21],[56]      
Investment, Identifier [Axis]: Gojo Industries, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 9.50% [17],[18],[28] 9.50% [19],[20],[21]      
Interest 13.80% [17],[18],[28] 9.80% [19],[20],[21]      
Investment, interest rate, paid in kind [19],[20],[21]   4.50%      
Investment Owned, Balance, Principal Amount $ 13,185,000 [17],[18],[28] $ 13,185,000 [19],[20],[21]      
Cost 12,889,000 [17],[18],[28] 12,874,000 [19],[20],[21]      
Fair Value $ 12,902,000 [17],[18],[28] $ 12,883,000 [19],[20],[21]      
Percentage of Total Net Assets 1.10% [1],[17],[18],[28] 1.10% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Graphpad Software, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.75% [16],[17],[18],[24] 4.75% [7],[19],[20],[21]      
Interest 9.00% [16],[17],[18],[24] 9.40% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 9,487,000 [16],[17],[18],[24] $ 9,511,000 [7],[19],[20],[21]      
Cost 9,435,000 [16],[17],[18],[24] 9,457,000 [7],[19],[20],[21]      
Fair Value $ 9,487,000 [16],[17],[18],[24] $ 9,499,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.80% [1],[16],[17],[18],[24] 0.80% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Graphpad Software, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 4.75% [16],[17],[18],[24] 4.75% [7],[19],[20],[21]      
Interest 9.00% [16],[17],[18],[24] 9.40% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost (4,000) [16],[17],[18],[24] (4,000) [7],[19],[20],[21]      
Fair Value $ 0 [16],[17],[18],[24] $ (1,000) [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Greenhill II BV, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.35% [4],[17],[18],[25] 5.10% [6],[7],[20],[21],[26]      
Interest 8.10% [4],[17],[18],[25] 8.30% [6],[7],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 1,006,000 [4],[17],[18],[25] $ 936,000 [6],[7],[20],[21],[26]      
Cost 936,000 [4],[17],[18],[25] 907,000 [6],[7],[20],[21],[26]      
Fair Value $ 1,006,000 [4],[17],[18],[25] $ 936,000 [6],[7],[20],[21],[26]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[25] 0.10% [2],[6],[7],[20],[21],[26]      
Investment, Identifier [Axis]: Groupe Guemas, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.25% [4],[17],[18],[33] 6.25% [6],[20],[21],[32]      
Interest 8.80% [4],[17],[18],[33] 9.40% [6],[20],[21],[32]      
Investment Owned, Balance, Principal Amount $ 5,034,000 [4],[17],[18],[33] $ 4,826,000 [6],[20],[21],[32]      
Cost 4,824,000 [4],[17],[18],[33] 4,821,000 [6],[20],[21],[32]      
Fair Value $ 4,964,000 [4],[17],[18],[33] $ 4,747,000 [6],[20],[21],[32]      
Percentage of Total Net Assets 0.40% [1],[4],[17],[18],[33] 0.40% [2],[6],[20],[21],[32]      
Investment, Identifier [Axis]: Groupe Product Life, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [6],[7],[20],[21],[26]   5.45%      
Interest [6],[7],[20],[21],[26]   8.50%      
Investment Owned, Balance, Principal Amount [6],[7],[20],[21],[26]   $ 888,000      
Cost [6],[7],[20],[21],[26]   874,000      
Fair Value [6],[7],[20],[21],[26]   $ 871,000      
Percentage of Total Net Assets [2],[6],[7],[20],[21],[26]   0.10%      
Investment, Identifier [Axis]: Groupe Product Life, First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest [4],[17],[18],[25] 5.70%        
Interest [4],[17],[18],[25] 8.10%        
Investment Owned, Balance, Principal Amount [4],[17],[18],[25] $ 814,000        
Cost [4],[17],[18],[25] 763,000        
Fair Value [4],[17],[18],[25] $ 802,000        
Percentage of Total Net Assets [1],[4],[17],[18],[25] 0.10%        
Investment, Identifier [Axis]: Groupe Product Life, First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest [4],[17],[18],[24],[25] 5.95%        
Interest [4],[17],[18],[24],[25] 8.40%        
Investment Owned, Balance, Principal Amount [4],[17],[18],[24],[25] $ 166,000        
Cost [4],[17],[18],[24],[25] 163,000        
Fair Value [4],[17],[18],[24],[25] $ 166,000        
Percentage of Total Net Assets [1],[4],[17],[18],[24],[25] 0.00%        
Investment, Identifier [Axis]: HEKA Invest, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.25% [4],[17],[18],[24],[25] 6.25% [6],[7],[20],[21],[26]      
Interest 8.60% [4],[17],[18],[24],[25] 9.60% [6],[7],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 5,060,000 [4],[17],[18],[24],[25] $ 4,850,000 [6],[7],[20],[21],[26]      
Cost 4,501,000 [4],[17],[18],[24],[25] 4,497,000 [6],[7],[20],[21],[26]      
Fair Value $ 5,060,000 [4],[17],[18],[24],[25] $ 4,850,000 [6],[7],[20],[21],[26]      
Percentage of Total Net Assets 0.40% [1],[4],[17],[18],[24],[25] 0.40% [2],[6],[7],[20],[21],[26]      
Investment, Identifier [Axis]: HS Advisory Buyer LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [16],[17],[18],[24] 4.75%        
Interest [16],[17],[18],[24] 9.00%        
Investment Owned, Balance, Principal Amount [16],[17],[18],[24] $ 1,360,000        
Cost [16],[17],[18],[24] 1,257,000        
Fair Value [16],[17],[18],[24] $ 1,257,000        
Percentage of Total Net Assets [1],[16],[17],[18],[24] 0.10%        
Investment, Identifier [Axis]: HS Advisory Buyer LLC, Revolver          
Schedule of Investments [Line Items]          
Interest [16],[17],[18],[24] 4.75%        
Interest [16],[17],[18],[24] 9.00%        
Investment Owned, Balance, Principal Amount [16],[17],[18],[24] $ 0        
Cost [16],[17],[18],[24] (9,000)        
Fair Value [16],[17],[18],[24] $ (9,000)        
Percentage of Total Net Assets [1],[16],[17],[18],[24] 0.00%        
Investment, Identifier [Axis]: HSL Compliance, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [4],[17],[18],[24],[35] 5.25%        
Interest [4],[17],[18],[24],[35] 9.70%        
Investment Owned, Balance, Principal Amount [4],[17],[18],[24],[35] $ 3,861,000        
Cost [4],[17],[18],[24],[35] 3,686,000        
Fair Value [4],[17],[18],[24],[35] $ 3,692,000        
Percentage of Total Net Assets [1],[4],[17],[18],[24],[35] 0.30%        
Investment, Identifier [Axis]: HTI Technology & Industries, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 8.50% [17],[18],[24],[30] 8.50% [7],[19],[20],[21]      
Interest 13.00% [17],[18],[24],[30] 13.50% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 11,091,000 [17],[18],[24],[30] $ 11,091,000 [7],[19],[20],[21]      
Cost 11,071,000 [17],[18],[24],[30] 11,052,000 [7],[19],[20],[21]      
Fair Value $ 10,237,000 [17],[18],[24],[30] $ 10,421,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.90% [1],[17],[18],[24],[30] 0.90% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: HTI Technology & Industries, Revolver          
Schedule of Investments [Line Items]          
Interest 8.50% [17],[18],[24],[30] 8.50% [7],[19],[20],[21]      
Interest 13.00% [17],[18],[24],[30] 13.50% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [17],[18],[24],[30] $ 0 [7],[19],[20],[21]      
Cost (2,000) [17],[18],[24],[30] (4,000) [7],[19],[20],[21]      
Fair Value $ (89,000) [17],[18],[24],[30] $ (70,000) [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[17],[18],[24],[30] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: HW Holdco, LLC (Hanley Wood LLC), First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.75% [16],[17],[18] 5.75% [19],[20],[21]      
Interest 10.20% [16],[17],[18] 10.60% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 10,831,000 [16],[17],[18] $ 11,081,000 [19],[20],[21]      
Cost 10,810,000 [16],[17],[18] 11,055,000 [19],[20],[21]      
Fair Value $ 10,831,000 [16],[17],[18] $ 11,081,000 [19],[20],[21]      
Percentage of Total Net Assets 0.90% [1],[16],[17],[18] 0.90% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Haystack Holdings LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [16],[17],[18],[24] 4.75%        
Interest [16],[17],[18],[24] 9.00%        
Investment Owned, Balance, Principal Amount [16],[17],[18],[24] $ 9,921,000        
Cost [16],[17],[18],[24] 9,772,000        
Fair Value [16],[17],[18],[24] $ 9,764,000        
Percentage of Total Net Assets [1],[16],[17],[18],[24] 0.80%        
Investment, Identifier [Axis]: Haystack Holdings LLC, Revolver          
Schedule of Investments [Line Items]          
Interest [16],[17],[18],[24] 4.75%        
Interest [16],[17],[18],[24] 9.00%        
Investment Owned, Balance, Principal Amount [16],[17],[18],[24] $ 0        
Cost [16],[17],[18],[24] (13,000)        
Fair Value [16],[17],[18],[24] $ (14,000)        
Percentage of Total Net Assets [1],[16],[17],[18],[24] 0.00%        
Investment, Identifier [Axis]: HeartHealth Bidco Pty Ltd, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.25% [4],[17],[18],[24],[38] 5.25% [6],[20],[21],[39]      
Interest 9.40% [4],[17],[18],[24],[38] 9.70% [6],[20],[21],[39]      
Investment Owned, Balance, Principal Amount $ 698,000 [4],[17],[18],[24],[38] $ 694,000 [6],[20],[21],[39]      
Cost 705,000 [4],[17],[18],[24],[38] 704,000 [6],[20],[21],[39]      
Fair Value $ 601,000 [4],[17],[18],[24],[38] $ 602,000 [6],[20],[21],[39]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[24],[38] 0.10% [2],[6],[20],[21],[39]      
Investment, Identifier [Axis]: Heartland Veterinary Partners, LLC, Subordinated Term Loan          
Schedule of Investments [Line Items]          
Investment, interest rate, paid in kind 11.00% [18] 11.00% [21]      
Investment Owned, Balance, Principal Amount $ 14,385,000 [18] $ 14,000,000 [21]      
Cost 14,235,000 [18] 13,840,000 [21]      
Fair Value $ 13,306,000 [18] $ 12,865,000 [21]      
Percentage of Total Net Assets 1.10% [1],[18] 1.10% [2],[21]      
Investment, Identifier [Axis]: Heavy Construction Systems Specialists, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.50% [16],[17],[18] 5.50% [19],[20],[21]      
Interest 9.80% [16],[17],[18] 10.10% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 7,202,000 [16],[17],[18] $ 7,221,000 [19],[20],[21]      
Cost 7,132,000 [16],[17],[18] 7,144,000 [19],[20],[21]      
Fair Value $ 7,202,000 [16],[17],[18] $ 7,221,000 [19],[20],[21]      
Percentage of Total Net Assets 0.60% [1],[16],[17],[18] 0.60% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Heavy Construction Systems Specialists, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 5.50% [16],[17],[18],[24] 5.50% [7],[19],[20],[21]      
Interest 9.80% [16],[17],[18],[24] 10.10% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost (23,000) [16],[17],[18],[24] (26,000) [7],[19],[20],[21]      
Fair Value $ 0 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Heilbron (f/k/a Sucsez (Bolt Bidco B.V.)), First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.75% [4],[17],[18],[40] 5.75% [6],[20],[21],[32]      
Interest 8.10% [4],[17],[18],[40] 9.30% [6],[20],[21],[32]      
Investment Owned, Balance, Principal Amount $ 3,272,000 [4],[17],[18],[40] $ 3,136,000 [6],[20],[21],[32]      
Cost 3,676,000 [4],[17],[18],[40] 3,676,000 [6],[20],[21],[32]      
Fair Value $ 3,272,000 [4],[17],[18],[40] $ 3,042,000 [6],[20],[21],[32]      
Percentage of Total Net Assets 0.30% [1],[4],[17],[18],[40] 0.30% [2],[6],[20],[21],[32]      
Investment, Identifier [Axis]: HemaSource, Inc., Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 101,080 [10],[18] 101,080 [11],[21]      
Cost $ 101,000 [10],[18] $ 101,000 [11],[21]      
Fair Value $ 128,000 [10],[18] $ 124,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: HemaSource, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.75% [17],[18],[28] 4.75% [20],[21],[29]      
Interest 9.10% [17],[18],[28] 9.30% [20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 6,861,000 [17],[18],[28] $ 7,267,000 [20],[21],[29]      
Cost 6,724,000 [17],[18],[28] 7,116,000 [20],[21],[29]      
Fair Value $ 6,861,000 [17],[18],[28] $ 7,267,000 [20],[21],[29]      
Percentage of Total Net Assets 0.60% [1],[17],[18],[28] 0.60% [2],[20],[21],[29]      
Investment, Identifier [Axis]: HemaSource, Inc., Revolver          
Schedule of Investments [Line Items]          
Interest 4.75% [17],[18],[24],[28] 4.75% [7],[20],[21],[29]      
Interest 9.10% [17],[18],[24],[28] 9.30% [7],[20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 0 [17],[18],[24],[28] $ 0 [7],[20],[21],[29]      
Cost (33,000) [17],[18],[24],[28] (35,000) [7],[20],[21],[29]      
Fair Value $ 0 [17],[18],[24],[28] $ 0 [7],[20],[21],[29]      
Percentage of Total Net Assets 0.00% [1],[17],[18],[24],[28] 0.00% [2],[7],[20],[21],[29]      
Investment, Identifier [Axis]: Herbalife Ltd., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.75% [4],[17],[28] 6.75% [6],[20],[29]      
Interest 11.10% [4],[17],[28] 12.10% [6],[20],[29]      
Investment Owned, Balance, Principal Amount $ 3,291,000 [4],[17],[28] $ 3,333,000 [6],[20],[29]      
Cost 3,101,000 [4],[17],[28] 3,130,000 [6],[20],[29]      
Fair Value $ 3,292,000 [4],[17],[28] $ 3,294,000 [6],[20],[29]      
Percentage of Total Net Assets 0.30% [1],[4],[17],[28] 0.30% [2],[6],[20],[29]      
Investment, Identifier [Axis]: Home Care Assistance, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [17],[18],[30] 5.00% [19],[20],[21]      
Interest 9.50% [17],[18],[30] 9.50% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 3,706,000 [17],[18],[30] $ 3,706,000 [19],[20],[21]      
Cost 3,680,000 [17],[18],[30] 3,677,000 [19],[20],[21]      
Fair Value $ 3,272,000 [17],[18],[30] $ 3,524,000 [19],[20],[21]      
Percentage of Total Net Assets 0.30% [1],[17],[18],[30] 0.30% [2],[19],[20],[21]      
Investment, Identifier [Axis]: HomeX Services Group LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.50% [16],[17],[18],[24] 4.50% [7],[19],[20],[21]      
Interest 8.80% [16],[17],[18],[24] 9.10% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 1,494,000 [16],[17],[18],[24] $ 1,498,000 [7],[19],[20],[21]      
Cost 1,461,000 [16],[17],[18],[24] 1,463,000 [7],[19],[20],[21]      
Fair Value $ 1,494,000 [16],[17],[18],[24] $ 1,477,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.10% [1],[16],[17],[18],[24] 0.10% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: HomeX Services Group LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 4.50% [16],[17],[18],[24] 4.50% [7],[19],[20],[21]      
Interest 8.80% [16],[17],[18],[24] 9.10% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost (5,000) [16],[17],[18],[24] (6,000) [7],[19],[20],[21]      
Fair Value $ 0 [16],[17],[18],[24] $ (3,000) [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Honour Lane Logistics Holdings Limited, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.75% [4],[17],[18],[30] 5.00% [6],[20],[21],[31]      
Interest 9.10% [4],[17],[18],[30] 10.30% [6],[20],[21],[31]      
Investment Owned, Balance, Principal Amount $ 6,667,000 [4],[17],[18],[30] $ 6,667,000 [6],[20],[21],[31]      
Cost 6,550,000 [4],[17],[18],[30] 6,542,000 [6],[20],[21],[31]      
Fair Value $ 6,667,000 [4],[17],[18],[30] $ 6,645,000 [6],[20],[21],[31]      
Percentage of Total Net Assets 0.60% [1],[4],[17],[18],[30] 0.60% [2],[6],[20],[21],[31]      
Investment, Identifier [Axis]: Hydratech Holdings, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.25% [16],[17],[18],[24] 5.00% [7],[19],[20],[21]      
Interest 9.60% [16],[17],[18],[24] 9.60% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 9,082,000 [16],[17],[18],[24] $ 7,537,000 [7],[19],[20],[21]      
Cost 8,968,000 [16],[17],[18],[24] 7,413,000 [7],[19],[20],[21]      
Fair Value $ 8,971,000 [16],[17],[18],[24] $ 7,413,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.80% [1],[16],[17],[18],[24] 0.60% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Hydratech Holdings, Inc., Revolver          
Schedule of Investments [Line Items]          
Interest 5.25% [16],[17],[18],[24] 5.00% [7],[19],[20],[21]      
Interest 9.60% [16],[17],[18],[24] 9.60% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 843,000 [16],[17],[18],[24] $ 281,000 [7],[19],[20],[21]      
Cost 828,000 [16],[17],[18],[24] 265,000 [7],[19],[20],[21]      
Fair Value $ 829,000 [16],[17],[18],[24] $ 265,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.10% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Hygie 31 Holding, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.88% [4],[17],[18],[33] 5.63% [6],[20],[21],[32]      
Interest 8.20% [4],[17],[18],[33] 8.80% [6],[20],[21],[32]      
Investment Owned, Balance, Principal Amount $ 1,577,000 [4],[17],[18],[33] $ 1,512,000 [6],[20],[21],[32]      
Cost 1,379,000 [4],[17],[18],[33] 1,378,000 [6],[20],[21],[32]      
Fair Value $ 1,570,000 [4],[17],[18],[33] $ 1,502,000 [6],[20],[21],[32]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[33] 0.10% [2],[6],[20],[21],[32]      
Investment, Identifier [Axis]: Hylan Datacom & Electrical LLC, Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) [54]   102,144      
Fair Value [54]   $ 0 2,013,000    
Investment, Identifier [Axis]: Hylan Datacom & Electrical LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [54]   8.00%      
Interest [54]   13.40%      
Fair Value [54]   $ 0 3,917,000    
Investment, Identifier [Axis]: Hylan Datacom & Electrical LLC, Second Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [54]   3.00%      
Interest [54]   8.50%      
Fair Value [54]   $ 0 4,519,000    
Investment, Identifier [Axis]: ICREDITWORKS LLC, Preferred Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) [18] 59,462.7        
Interest [18] 10.00%        
Cost [18] $ 10,208,000        
Fair Value [18] $ 10,208,000        
Percentage of Total Net Assets [1],[18] 0.90%        
Investment, Identifier [Axis]: ICREDITWORKS LLC, Warrants          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) [10],[18] 23,692.2        
Cost [10],[18] $ 0        
Fair Value [10],[18] $ 0        
Percentage of Total Net Assets [1],[10],[18] 0.00%        
Investment, Identifier [Axis]: IM Square, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.50% [4],[17],[18],[25] 5.50% [6],[20],[21],[26]      
Interest 7.80% [4],[17],[18],[25] 8.80% [6],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 2,701,000 [4],[17],[18],[25] $ 2,589,000 [6],[20],[21],[26]      
Cost 2,962,000 [4],[17],[18],[25] 2,960,000 [6],[20],[21],[26]      
Fair Value $ 2,648,000 [4],[17],[18],[25] $ 2,533,000 [6],[20],[21],[26]      
Percentage of Total Net Assets 0.20% [1],[4],[17],[18],[25] 0.20% [2],[6],[20],[21],[26]      
Investment, Identifier [Axis]: ISTO Technologies II, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.75% [16],[17],[18] 5.00% [20],[21],[31]      
Interest 9.00% [16],[17],[18] 9.60% [20],[21],[31]      
Investment Owned, Balance, Principal Amount $ 6,718,000 [16],[17],[18] $ 6,726,000 [20],[21],[31]      
Cost 6,597,000 [16],[17],[18] 6,598,000 [20],[21],[31]      
Fair Value $ 6,718,000 [16],[17],[18] $ 6,706,000 [20],[21],[31]      
Percentage of Total Net Assets 0.60% [1],[16],[17],[18] 0.60% [2],[20],[21],[31]      
Investment, Identifier [Axis]: ISTO Technologies II, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 4.75% [16],[17],[18],[24] 5.00% [7],[20],[21],[31]      
Interest 9.00% [16],[17],[18],[24] 9.60% [7],[20],[21],[31]      
Investment Owned, Balance, Principal Amount $ 0 [16],[17],[18],[24] $ 0 [7],[20],[21],[31]      
Cost (13,000) [16],[17],[18],[24] (14,000) [7],[20],[21],[31]      
Fair Value $ 0 [16],[17],[18],[24] $ (2,000) [7],[20],[21],[31]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[20],[21],[31]      
Investment, Identifier [Axis]: ITI Intermodal, Inc., Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 7,500.4 [10],[18] 7,500.4 [11],[21]      
Cost $ 750,000 [10],[18] $ 750,000 [11],[21]      
Fair Value $ 979,000 [10],[18] $ 915,000 [11],[21]      
Percentage of Total Net Assets 0.10% [1],[10],[18] 0.10% [2],[11],[21]      
Investment, Identifier [Axis]: ITI Intermodal, Inc., First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 6.00% [16],[17],[18] 6.25% [20],[21],[31]      
Interest 10.40% [16],[17],[18] 10.60% [20],[21],[31]      
Investment Owned, Balance, Principal Amount $ 799,000 [16],[17],[18] $ 801,000 [20],[21],[31]      
Cost 792,000 [16],[17],[18] 793,000 [20],[21],[31]      
Fair Value $ 799,000 [16],[17],[18] $ 800,000 [20],[21],[31]      
Percentage of Total Net Assets 0.10% [1],[16],[17],[18] 0.10% [2],[20],[21],[31]      
Investment, Identifier [Axis]: ITI Intermodal, Inc., First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 6.25% [16],[17],[18] 6.50% [20],[21],[31]      
Interest 10.60% [16],[17],[18] 10.80% [20],[21],[31]      
Investment Owned, Balance, Principal Amount $ 12,047,000 [16],[17],[18] $ 12,078,000 [20],[21],[31]      
Cost 11,836,000 [16],[17],[18] 11,847,000 [20],[21],[31]      
Fair Value $ 12,047,000 [16],[17],[18] $ 12,079,000 [20],[21],[31]      
Percentage of Total Net Assets 1.00% [1],[16],[17],[18] 1.00% [2],[20],[21],[31]      
Investment, Identifier [Axis]: ITI Intermodal, Inc., Revolver          
Schedule of Investments [Line Items]          
Interest 6.00% [16],[17],[18],[24] 6.50% [7],[20],[21],[31]      
Interest 10.40% [16],[17],[18],[24] 10.80% [7],[20],[21],[31]      
Investment Owned, Balance, Principal Amount $ 226,000 [16],[17],[18],[24] $ 226,000 [7],[20],[21],[31]      
Cost 205,000 [16],[17],[18],[24] 203,000 [7],[20],[21],[31]      
Fair Value $ 226,000 [16],[17],[18],[24] $ 225,000 [7],[20],[21],[31]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[20],[21],[31]      
Investment, Identifier [Axis]: Ice House America, L.L.C., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.50% [16],[17],[18],[24] 5.50% [7],[19],[20],[21]      
Interest 9.80% [16],[17],[18],[24] 10.10% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 4,576,000 [16],[17],[18],[24] $ 4,577,000 [7],[19],[20],[21]      
Cost 4,487,000 [16],[17],[18],[24] 4,483,000 [7],[19],[20],[21]      
Fair Value $ 4,493,000 [16],[17],[18],[24] $ 4,482,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.40% [1],[16],[17],[18],[24] 0.40% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Ice House America, L.L.C., LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 2,893 [10],[18] 2,833 [11],[21]      
Cost $ 289,000 [10],[18] $ 283,000 [11],[21]      
Fair Value $ 281,000 [10],[18] $ 316,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Ice House America, L.L.C., Revolver          
Schedule of Investments [Line Items]          
Interest 5.50% [16],[17],[18],[24] 5.50% [7],[19],[20],[21]      
Interest 9.80% [16],[17],[18],[24] 10.10% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 320,000 [16],[17],[18],[24] $ 194,000 [7],[19],[20],[21]      
Cost 313,000 [16],[17],[18],[24] 186,000 [7],[19],[20],[21]      
Fair Value $ 313,000 [16],[17],[18],[24] $ 186,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Infoniqa Holdings GmbH, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.75% [4],[17],[18],[25] 4.75% [6],[20],[21],[32]      
Interest 7.20% [4],[17],[18],[25] 8.10% [6],[20],[21],[32]      
Investment Owned, Balance, Principal Amount $ 2,839,000 [4],[17],[18],[25] $ 2,721,000 [6],[20],[21],[32]      
Cost 2,925,000 [4],[17],[18],[25] 2,923,000 [6],[20],[21],[32]      
Fair Value $ 2,839,000 [4],[17],[18],[25] $ 2,721,000 [6],[20],[21],[32]      
Percentage of Total Net Assets 0.20% [1],[4],[17],[18],[25] 0.20% [2],[6],[20],[21],[32]      
Investment, Identifier [Axis]: Innovad Group II BV, First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 5.00% [4],[17],[18],[25] 5.00% [6],[20],[21],[32]      
Interest 7.40% [4],[17],[18],[25] 8.70% [6],[20],[21],[32]      
Investment Owned, Balance, Principal Amount $ 6,658,000 [4],[17],[18],[25] $ 6,383,000 [6],[20],[21],[32]      
Cost 7,122,000 [4],[17],[18],[25] 7,116,000 [6],[20],[21],[32]      
Fair Value $ 6,658,000 [4],[17],[18],[25] $ 6,383,000 [6],[20],[21],[32]      
Percentage of Total Net Assets 0.60% [1],[4],[17],[18],[25] 0.50% [2],[6],[20],[21],[32]      
Investment, Identifier [Axis]: Innovad Group II BV, First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 5.00% [4],[17],[18],[57] 5.00% [6],[20],[21],[58]      
Interest 5.20% [4],[17],[18],[57] 6.00% [6],[20],[21],[58]      
Investment Owned, Balance, Principal Amount $ 1,036,000 [4],[17],[18],[57] $ 1,012,000 [6],[20],[21],[58]      
Cost 1,019,000 [4],[17],[18],[57] 1,019,000 [6],[20],[21],[58]      
Fair Value $ 1,036,000 [4],[17],[18],[57] $ 1,012,000 [6],[20],[21],[58]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[57] 0.10% [2],[6],[20],[21],[58]      
Investment, Identifier [Axis]: Innovative XCessories & Services, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [9],[19],[20]   4.25%      
Interest [9],[19],[20]   9.00%      
Investment Owned, Balance, Principal Amount [9],[19],[20]   $ 2,854,000      
Cost [9],[19],[20]   2,802,000      
Fair Value [9],[19],[20]   $ 2,746,000      
Percentage of Total Net Assets [2],[9],[19],[20]   0.20%      
Investment, Identifier [Axis]: Interstellar Group B.V., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.00% [4],[17],[18],[24],[25] 6.00% [6],[7],[20],[21],[26]      
Interest 8.40% [4],[17],[18],[24],[25] 9.60% [6],[7],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 1,687,000 [4],[17],[18],[24],[25] $ 1,589,000 [6],[7],[20],[21],[26]      
Cost 1,625,000 [4],[17],[18],[24],[25] 1,594,000 [6],[7],[20],[21],[26]      
Fair Value $ 1,603,000 [4],[17],[18],[24],[25] $ 1,509,000 [6],[7],[20],[21],[26]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[24],[25] 0.10% [2],[6],[7],[20],[21],[26]      
Investment, Identifier [Axis]: InvoCare Limited, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.25% [4],[17],[18],[24],[38] 6.25% [6],[7],[20],[21],[39]      
Interest 10.70% [4],[17],[18],[24],[38] 10.70% [6],[7],[20],[21],[39]      
Investment Owned, Balance, Principal Amount $ 2,018,000 [4],[17],[18],[24],[38] $ 2,005,000 [6],[7],[20],[21],[39]      
Cost 2,064,000 [4],[17],[18],[24],[38] 2,062,000 [6],[7],[20],[21],[39]      
Fair Value $ 1,980,000 [4],[17],[18],[24],[38] $ 1,963,000 [6],[7],[20],[21],[39]      
Percentage of Total Net Assets 0.20% [1],[4],[17],[18],[24],[38] 0.20% [2],[6],[7],[20],[21],[39]      
Investment, Identifier [Axis]: Isagenix International, LLC, Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 58,538 [8],[10],[18] 58,538 [9],[11],[21]      
Cost $ 0 [8],[10],[18] $ 0 [9],[11],[21]      
Fair Value $ 0 [8],[10],[18] $ 0 [9],[11],[21]      
Percentage of Total Net Assets 0.00% [1],[8],[10],[18] 0.00% [2],[9],[11],[21]      
Investment, Identifier [Axis]: Isagenix International, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.60% [8],[16],[17],[18] 6.50% [9],[19],[20],[21]      
Interest 10.90% [8],[16],[17],[18] 11.20% [9],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 934,000 [8],[16],[17],[18] $ 914,000 [9],[19],[20],[21]      
Cost 702,000 [8],[16],[17],[18] 668,000 [9],[19],[20],[21]      
Fair Value $ 181,000 [8],[16],[17],[18] $ 160,000 [9],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[8],[16],[17],[18] 0.00% [2],[9],[19],[20],[21]      
Investment, Identifier [Axis]: Isolstar Holding NV (IPCOM), First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.00% [4],[17],[18],[25] 6.00% [6],[20],[21],[26]      
Interest 8.80% [4],[17],[18],[25] 9.20% [6],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 5,391,000 [4],[17],[18],[25] $ 5,168,000 [6],[20],[21],[26]      
Cost 4,841,000 [4],[17],[18],[25] 4,836,000 [6],[20],[21],[26]      
Fair Value $ 5,359,000 [4],[17],[18],[25] $ 5,075,000 [6],[20],[21],[26]      
Percentage of Total Net Assets 0.50% [1],[4],[17],[18],[25] 0.40% [2],[6],[20],[21],[26]      
Investment, Identifier [Axis]: Ivanti Software, Inc., Second Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 7.25% [8],[16],[17] 7.25% [9],[19],[20]      
Interest 11.80% [8],[16],[17] 12.10% [9],[19],[20]      
Investment Owned, Balance, Principal Amount $ 6,000,000 [8],[16],[17] $ 6,000,000 [9],[19],[20]      
Cost 5,989,000 [8],[16],[17] 5,989,000 [9],[19],[20]      
Fair Value $ 2,850,000 [8],[16],[17] $ 3,285,000 [9],[19],[20]      
Percentage of Total Net Assets 0.20% [1],[8],[16],[17] 0.30% [2],[9],[19],[20]      
Investment, Identifier [Axis]: JF Acquisition, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.50% [16],[17],[18] 5.50% [19],[20],[21]      
Interest 9.90% [16],[17],[18] 10.20% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 3,730,000 [16],[17],[18] $ 3,740,000 [19],[20],[21]      
Cost 3,705,000 [16],[17],[18] 3,709,000 [19],[20],[21]      
Fair Value $ 3,730,000 [16],[17],[18] $ 3,736,000 [19],[20],[21]      
Percentage of Total Net Assets 0.30% [1],[16],[17],[18] 0.30% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Jade Bidco Limited (Jane's), First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 5.25% [4],[17],[18],[33] 5.25% [6],[20],[21],[32]      
Interest 7.90% [4],[17],[18],[33] 7.90% [6],[20],[21],[32]      
Investment Owned, Balance, Principal Amount $ 1,162,000 [4],[17],[18],[33] $ 1,114,000 [6],[20],[21],[32]      
Cost 1,155,000 [4],[17],[18],[33] 1,155,000 [6],[20],[21],[32]      
Fair Value $ 1,162,000 [4],[17],[18],[33] $ 1,112,000 [6],[20],[21],[32]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[33] 0.10% [2],[6],[20],[21],[32]      
Investment, Identifier [Axis]: Jade Bidco Limited (Jane's), First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 5.25% [4],[17],[18],[30] 5.25% [6],[20],[21],[31]      
Interest 9.80% [4],[17],[18],[30] 9.80% [6],[20],[21],[31]      
Investment Owned, Balance, Principal Amount $ 6,526,000 [4],[17],[18],[30] $ 6,589,000 [6],[20],[21],[31]      
Cost 6,442,000 [4],[17],[18],[30] 6,498,000 [6],[20],[21],[31]      
Fair Value $ 6,526,000 [4],[17],[18],[30] $ 6,579,000 [6],[20],[21],[31]      
Percentage of Total Net Assets 0.50% [1],[4],[17],[18],[30] 0.60% [2],[6],[20],[21],[31]      
Investment, Identifier [Axis]: JetBlue 2019-1 Class B Pass Through Trust, Structured Secured Note - Class B          
Schedule of Investments [Line Items]          
Interest 8.00% 8.00%      
Investment Owned, Balance, Principal Amount $ 2,495,000 $ 2,495,000      
Cost 2,495,000 2,495,000      
Fair Value $ 2,489,000 $ 2,520,000      
Percentage of Total Net Assets 0.20% [1] 0.20% [2]      
Investment, Identifier [Axis]: Jocassee Partners LLC, Member Interest          
Schedule of Investments [Line Items]          
Cost [5],[6],[7]   $ 35,158,000      
Fair Value [5],[6],[7]   $ 40,761,000      
Percentage of Total Net Assets [2],[5],[6],[7]   3.40%      
Investment, Identifier [Axis]: Jocassee Partners LLC, Member Interest          
Schedule of Investments [Line Items]          
Cost [3],[4] $ 35,158,000        
Fair Value $ 39,825,000 [3],[4] $ 40,761,000 41,053,000    
Percentage of Total Net Assets [1],[3],[4] 3.40%        
Investment, Identifier [Axis]: Jon Bidco Limited, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.50% [4],[17],[18],[24],[55] 4.50% [6],[7],[20],[21],[56]      
Interest 8.70% [4],[17],[18],[24],[55] 9.50% [6],[7],[20],[21],[56]      
Investment Owned, Balance, Principal Amount $ 3,760,000 [4],[17],[18],[24],[55] $ 3,720,000 [6],[7],[20],[21],[56]      
Cost 4,324,000 [4],[17],[18],[24],[55] 4,430,000 [6],[7],[20],[21],[56]      
Fair Value $ 3,760,000 [4],[17],[18],[24],[55] $ 3,720,000 [6],[7],[20],[21],[56]      
Percentage of Total Net Assets 0.30% [1],[4],[17],[18],[24],[55] 0.30% [2],[6],[7],[20],[21],[56]      
Investment, Identifier [Axis]: Jones Fish Hatcheries & Distributors LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.50% [17],[18],[30] 5.50% [19],[20],[21]      
Interest 9.80% [17],[18],[30] 10.00% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 3,481,000 [17],[18],[30] $ 3,481,000 [19],[20],[21]      
Cost 3,437,000 [17],[18],[30] 3,434,000 [19],[20],[21]      
Fair Value $ 3,481,000 [17],[18],[30] $ 3,481,000 [19],[20],[21]      
Percentage of Total Net Assets 0.30% [1],[17],[18],[30] 0.30% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Jones Fish Hatcheries & Distributors LLC, LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 1,018 [18] 1,018 [21]      
Cost $ 107,000 [18] $ 107,000 [21]      
Fair Value $ 421,000 [18] $ 372,000 [21]      
Percentage of Total Net Assets 0.00% [1],[18] 0.00% [2],[21]      
Investment, Identifier [Axis]: Jones Fish Hatcheries & Distributors LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 5.50% [17],[18],[24],[30] 5.50% [7],[19],[20],[21]      
Interest 9.80% [17],[18],[24],[30] 10.00% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 251,000 [17],[18],[24],[30] $ 0 [7],[19],[20],[21]      
Cost 247,000 [17],[18],[24],[30] (4,000) [7],[19],[20],[21]      
Fair Value $ 251,000 [17],[18],[24],[30] $ 0 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[17],[18],[24],[30] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Keystone Bidco B.V., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.25% [4],[17],[18],[24],[33] 5.25% [6],[7],[20],[21],[26]      
Interest 7.80% [4],[17],[18],[24],[33] 8.10% [6],[7],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 857,000 [4],[17],[18],[24],[33] $ 695,000 [6],[7],[20],[21],[26]      
Cost 857,000 [4],[17],[18],[24],[33] 728,000 [6],[7],[20],[21],[26]      
Fair Value $ 847,000 [4],[17],[18],[24],[33] $ 677,000 [6],[7],[20],[21],[26]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[24],[33] 0.10% [2],[6],[7],[20],[21],[26]      
Investment, Identifier [Axis]: Keystone Bidco B.V., Revolver          
Schedule of Investments [Line Items]          
Interest 5.25% [4],[17],[18],[24],[33] 5.25% [6],[7],[20],[21],[26]      
Interest 7.80% [4],[17],[18],[24],[33] 8.10% [6],[7],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 19,000 [4],[17],[18],[24],[33] $ 19,000 [6],[7],[20],[21],[26]      
Cost 18,000 [4],[17],[18],[24],[33] 18,000 [6],[7],[20],[21],[26]      
Fair Value $ 19,000 [4],[17],[18],[24],[33] $ 18,000 [6],[7],[20],[21],[26]      
Percentage of Total Net Assets 0.00% [1],[4],[17],[18],[24],[33] 0.00% [2],[6],[7],[20],[21],[26]      
Investment, Identifier [Axis]: Kid Distro Holdings, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.75% [16],[17],[18] 4.75% [19],[20],[21]      
Interest 9.20% [16],[17],[18] 9.50% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 13,122,000 [16],[17],[18] $ 13,156,000 [19],[20],[21]      
Cost 13,036,000 [16],[17],[18] 13,063,000 [19],[20],[21]      
Fair Value $ 13,122,000 [16],[17],[18] $ 13,156,000 [19],[20],[21]      
Percentage of Total Net Assets 1.10% [1],[16],[17],[18] 1.10% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Kid Distro Holdings, LLC, LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 637,677.11 [10],[18] 637,677.11 [11],[21]      
Cost $ 638,000 [10],[18] $ 638,000 [11],[21]      
Fair Value $ 784,000 [10],[18] $ 772,000 [11],[21]      
Percentage of Total Net Assets 0.10% [1],[10],[18] 0.10% [2],[11],[21]      
Investment, Identifier [Axis]: Lambir Bidco Limited, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.00% [4],[17],[18],[24],[33] 6.00% [6],[7],[20],[21],[32]      
Interest 8.60% [4],[17],[18],[24],[33] 8.70% [6],[7],[20],[21],[32]      
Investment Owned, Balance, Principal Amount $ 2,136,000 [4],[17],[18],[24],[33] $ 2,048,000 [6],[7],[20],[21],[32]      
Cost 2,165,000 [4],[17],[18],[24],[33] 2,159,000 [6],[7],[20],[21],[32]      
Fair Value $ 2,013,000 [4],[17],[18],[24],[33] $ 1,952,000 [6],[7],[20],[21],[32]      
Percentage of Total Net Assets 0.20% [1],[4],[17],[18],[24],[33] 0.20% [2],[6],[7],[20],[21],[32]      
Investment, Identifier [Axis]: Lambir Bidco Limited, Second Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Investment, interest rate, paid in kind 12.00% [4],[18] 12.00% [6],[21]      
Investment Owned, Balance, Principal Amount $ 1,920,000 [4],[18] $ 1,841,000 [6],[21]      
Cost 1,948,000 [4],[18] 1,947,000 [6],[21]      
Fair Value $ 1,765,000 [4],[18] $ 1,721,000 [6],[21]      
Percentage of Total Net Assets 0.10% [1],[4],[18] 0.10% [2],[6],[21]      
Investment, Identifier [Axis]: Lattice Group Holdings Bidco Limited, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.50% [4],[17],[18],[24],[30] 5.75% [6],[7],[20],[21],[31]      
Interest 10.30% [4],[17],[18],[24],[30] 10.60% [6],[7],[20],[21],[31]      
Investment Owned, Balance, Principal Amount $ 738,000 [4],[17],[18],[24],[30] $ 727,000 [6],[7],[20],[21],[31]      
Cost 723,000 [4],[17],[18],[24],[30] 711,000 [6],[7],[20],[21],[31]      
Fair Value $ 734,000 [4],[17],[18],[24],[30] $ 687,000 [6],[7],[20],[21],[31]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[24],[30] 0.10% [2],[6],[7],[20],[21],[31]      
Investment, Identifier [Axis]: Lattice Group Holdings Bidco Limited, Revolver          
Schedule of Investments [Line Items]          
Interest 5.50% [4],[17],[18],[24],[30] 5.75% [6],[7],[20],[21],[31]      
Interest 10.30% [4],[17],[18],[24],[30] 10.60% [6],[7],[20],[21],[31]      
Investment Owned, Balance, Principal Amount $ 0 [4],[17],[18],[24],[30] $ 0 [6],[7],[20],[21],[31]      
Cost 0 [4],[17],[18],[24],[30] (1,000) [6],[7],[20],[21],[31]      
Fair Value $ 0 [4],[17],[18],[24],[30] $ (1,000) [6],[7],[20],[21],[31]      
Percentage of Total Net Assets 0.00% [1],[4],[17],[18],[24],[30] 0.00% [2],[6],[7],[20],[21],[31]      
Investment, Identifier [Axis]: LeadsOnline, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.75% [16],[17],[18] 4.75% [19],[20],[21]      
Interest 9.00% [16],[17],[18] 9.40% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 10,043,000 [16],[17],[18] $ 10,069,000 [19],[20],[21]      
Cost 9,950,000 [16],[17],[18] 9,968,000 [19],[20],[21]      
Fair Value $ 10,033,000 [16],[17],[18] $ 10,029,000 [19],[20],[21]      
Percentage of Total Net Assets 0.80% [1],[16],[17],[18] 0.80% [2],[19],[20],[21]      
Investment, Identifier [Axis]: LeadsOnline, LLC, LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 81,739 [18] 81,739 [21]      
Cost $ 85,000 [18] $ 85,000 [21]      
Fair Value $ 210,000 [18] $ 180,000 [21]      
Percentage of Total Net Assets 0.00% [1],[18] 0.00% [2],[21]      
Investment, Identifier [Axis]: LeadsOnline, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 4.75% [16],[17],[18],[24] 4.75% [7],[19],[20],[21]      
Interest 9.00% [16],[17],[18],[24] 9.40% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost (22,000) [16],[17],[18],[24] (24,000) [7],[19],[20],[21]      
Fair Value $ (3,000) [16],[17],[18],[24] $ (10,000) [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Learfield Communications, LLC, Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 55,198 [10] 55,198 [11],[21]      
Cost $ 1,921,000 [10] $ 1,921,000 [11],[21]      
Fair Value $ 4,195,000 [10] $ 4,085,000 [11],[21]      
Percentage of Total Net Assets 0.40% [1],[10] 0.30% [2],[11],[21]      
Investment, Identifier [Axis]: Learfield Communications, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.50% [17],[28] 5.00% [20],[29]      
Interest 8.80% [17],[28] 9.60% [20],[29]      
Investment Owned, Balance, Principal Amount $ 5,463,000 [17],[28] $ 5,476,000 [20],[29]      
Cost 5,472,000 [17],[28] 5,486,000 [20],[29]      
Fair Value $ 5,460,000 [17],[28] $ 5,520,000 [20],[29]      
Percentage of Total Net Assets 0.50% [1],[17],[28] 0.50% [2],[20],[29]      
Investment, Identifier [Axis]: Legal Solutions Holdings, Senior Subordinated Loan          
Schedule of Investments [Line Items]          
Investment, interest rate, paid in kind [21],[44],[59]   6.00%      
Investment Owned, Balance, Principal Amount [21],[44],[59]   $ 12,319,000      
Cost [21],[44],[59]   10,128,000      
Fair Value [21],[44],[59]   $ 0      
Percentage of Total Net Assets [2],[21],[44],[59]   0.00%      
Investment, Identifier [Axis]: Lifestyle Intermediate II, LLC, Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) [10],[18] 16,173        
Cost [10],[18] $ 0        
Fair Value [10],[18] $ 0        
Percentage of Total Net Assets [1],[10],[18] 0.00%        
Investment, Identifier [Axis]: Lifestyle Intermediate II, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 7.00% [8],[16],[17],[18] 7.00% [9],[19],[20],[21]      
Interest 11.60% [8],[16],[17],[18] 11.90% [9],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 2,951,000 [8],[16],[17],[18] $ 2,992,000 [9],[19],[20],[21]      
Cost 2,951,000 [8],[16],[17],[18] 2,992,000 [9],[19],[20],[21]      
Fair Value $ 2,796,000 [8],[16],[17],[18] $ 2,812,000 [9],[19],[20],[21]      
Percentage of Total Net Assets 0.20% [1],[8],[16],[17],[18] 0.20% [2],[9],[19],[20],[21]      
Investment, Identifier [Axis]: Long Term Care Group, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.00% [16],[17],[18] 3.27% [19],[20],[21]      
Interest 6.90% [16],[17],[18] 8.10% [19],[20],[21]      
Investment, interest rate, paid in kind 3.70% [16],[17],[18] 3.70% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 8,831,000 [16],[17],[18] $ 8,769,000 [19],[20],[21]      
Cost 8,746,000 [16],[17],[18] 8,676,000 [19],[20],[21]      
Fair Value $ 8,169,000 [16],[17],[18] $ 7,839,000 [19],[20],[21]      
Percentage of Total Net Assets 0.70% [1],[16],[17],[18] 0.70% [2],[19],[20],[21]      
Investment, Identifier [Axis]: M-Personal Protection Management GMBH (f.k.a INOS 19-090 GmbH), First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [6],[20],[21],[26]   5.38%      
Interest [6],[20],[21],[26]   8.10%      
Investment Owned, Balance, Principal Amount [6],[20],[21],[26]   $ 11,106,000      
Cost [6],[20],[21],[26]   11,395,000      
Fair Value [6],[20],[21],[26]   $ 10,829,000      
Percentage of Total Net Assets [2],[6],[20],[21],[26]   0.90%      
Investment, Identifier [Axis]: M-Personal Protection Management GMBH, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [4],[17],[18],[25] 5.38%        
Interest [4],[17],[18],[25] 8.10%        
Investment Owned, Balance, Principal Amount [4],[17],[18],[25] $ 11,586,000        
Cost [4],[17],[18],[25] 11,415,000        
Fair Value [4],[17],[18],[25] $ 11,436,000        
Percentage of Total Net Assets [1],[4],[17],[18],[25] 1.00%        
Investment, Identifier [Axis]: MB Purchaser, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.75% [16],[17],[18],[24] 4.75% [7],[20],[21],[29]      
Interest 9.10% [16],[17],[18],[24] 9.40% [7],[20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 2,608,000 [16],[17],[18],[24] $ 2,608,000 [7],[20],[21],[29]      
Cost 2,553,000 [16],[17],[18],[24] 2,550,000 [7],[20],[21],[29]      
Fair Value $ 2,591,000 [16],[17],[18],[24] $ 2,591,000 [7],[20],[21],[29]      
Percentage of Total Net Assets 0.20% [1],[16],[17],[18],[24] 0.20% [2],[7],[20],[21],[29]      
Investment, Identifier [Axis]: MB Purchaser, LLC, LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 66 [10],[18] 66 [11],[21]      
Cost $ 68,000 [10],[18] $ 68,000 [11],[21]      
Fair Value $ 78,000 [10],[18] $ 82,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: MB Purchaser, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 4.75% [16],[17],[18],[24] 4.75% [7],[20],[21],[29]      
Interest 9.10% [16],[17],[18],[24] 9.40% [7],[20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 0 [16],[17],[18],[24] $ 0 [7],[20],[21],[29]      
Cost (5,000) [16],[17],[18],[24] (5,000) [7],[20],[21],[29]      
Fair Value $ (2,000) [16],[17],[18],[24] $ (2,000) [7],[20],[21],[29]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[20],[21],[29]      
Investment, Identifier [Axis]: MC Group Ventures Corporation, First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 5.25% [16],[17],[18],[24] 5.25% [7],[20],[21],[29]      
Interest 9.60% [16],[17],[18],[24] 9.90% [7],[20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 5,105,000 [16],[17],[18],[24] $ 5,118,000 [7],[20],[21],[29]      
Cost 5,013,000 [16],[17],[18],[24] 5,016,000 [7],[20],[21],[29]      
Fair Value $ 4,926,000 [16],[17],[18],[24] $ 4,899,000 [7],[20],[21],[29]      
Percentage of Total Net Assets 0.40% [1],[16],[17],[18],[24] 0.40% [2],[7],[20],[21],[29]      
Investment, Identifier [Axis]: MC Group Ventures Corporation, First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 5.50% [16],[17],[18],[24] 5.50% [7],[20],[21],[31]      
Interest 9.90% [16],[17],[18],[24] 10.20% [7],[20],[21],[31]      
Investment Owned, Balance, Principal Amount $ 4,095,000 [16],[17],[18],[24] $ 4,106,000 [7],[20],[21],[31]      
Cost 4,056,000 [16],[17],[18],[24] 4,062,000 [7],[20],[21],[31]      
Fair Value $ 4,043,000 [16],[17],[18],[24] $ 4,036,000 [7],[20],[21],[31]      
Percentage of Total Net Assets 0.30% [1],[16],[17],[18],[24] 0.30% [2],[7],[20],[21],[31]      
Investment, Identifier [Axis]: MC Group Ventures Corporation, Partnership Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 746.66 [10],[18] 746.66 [11],[21]      
Cost $ 747,000 [10],[18] $ 747,000 [11],[21]      
Fair Value $ 681,000 [10],[18] $ 681,000 [11],[21]      
Percentage of Total Net Assets 0.10% [1],[10],[18] 0.10% [2],[11],[21]      
Investment, Identifier [Axis]: MI OpCo Holdings, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [20],[29]   7.25%      
Interest [20],[29]   11.80%      
Investment Owned, Balance, Principal Amount [20],[29]   $ 6,288,000      
Cost [20],[29]   5,722,000      
Fair Value [20],[29]   $ 6,320,000      
Percentage of Total Net Assets [2],[20],[29]   0.50%      
Investment, Identifier [Axis]: MNS Buyer, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [17],[18],[28] 5.00% [19],[20],[21]      
Interest 9.40% [17],[18],[28] 9.50% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 660,000 [17],[18],[28] $ 662,000 [19],[20],[21]      
Cost 654,000 [17],[18],[28] 656,000 [19],[20],[21]      
Fair Value $ 660,000 [17],[18],[28] $ 662,000 [19],[20],[21]      
Percentage of Total Net Assets 0.10% [1],[17],[18],[28] 0.10% [2],[19],[20],[21]      
Investment, Identifier [Axis]: MNS Buyer, Inc., Partnership Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 76,923 [10],[18] 76,923 [11],[21]      
Cost $ 77,000 [10],[18] $ 77,000 [11],[21]      
Fair Value $ 108,000 [10],[18] $ 106,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: MSI Express Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [16],[17],[18],[24] 4.75%        
Interest [16],[17],[18],[24] 9.10%        
Investment Owned, Balance, Principal Amount [16],[17],[18],[24] $ 5,558,000        
Cost [16],[17],[18],[24] 5,471,000        
Fair Value [16],[17],[18],[24] $ 5,470,000        
Percentage of Total Net Assets [1],[16],[17],[18],[24] 0.50%        
Investment, Identifier [Axis]: MSI Express Inc., Revolver          
Schedule of Investments [Line Items]          
Interest [16],[17],[18],[24] 4.75%        
Interest [16],[17],[18],[24] 9.10%        
Investment Owned, Balance, Principal Amount [16],[17],[18],[24] $ 656,000        
Cost [16],[17],[18],[24] 624,000        
Fair Value [16],[17],[18],[24] $ 624,000        
Percentage of Total Net Assets [1],[16],[17],[18],[24] 0.10%        
Investment, Identifier [Axis]: MVC Automotive Group GmbH, Bridge Loan          
Schedule of Investments [Line Items]          
Interest [47]   4.50%      
Investment, interest rate, paid in kind [47]   1.50%      
Fair Value [47]   $ 0 9,762,000    
Investment, Identifier [Axis]: MVC Automotive Group GmbH, Common Equity Interest          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) [6],[11],[21],[59]   18,000      
Cost [6],[11],[21],[59]   $ 19,173,000      
Fair Value [6],[11],[21],[59]   $ 13,741,000      
Percentage of Total Net Assets [2],[6],[11],[21],[59]   1.20%      
Investment, Identifier [Axis]: MVC Automotive Group GmbH, Common Equity Interest          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 18,000 [46] 18,000 [47]      
Fair Value $ 13,944,000 [46] $ 13,741,000 [46] 15,430,000 [47]    
Investment, Identifier [Axis]: MVC Automotive Group Gmbh, Common Equity Interest          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) [4],[10],[18],[60] 18,000        
Cost [4],[10],[18],[60] $ 19,173,000        
Fair Value [4],[10],[18],[60] $ 13,944,000        
Percentage of Total Net Assets [1],[4],[10],[18],[60] 1.20%        
Investment, Identifier [Axis]: MVC Private Equity Fund LP, General Partnership Interest          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 1,831.4 1,831.4 [6],[11],[59]      
Cost [6],[11],[59]   $ 184,000      
Fair Value $ 0 $ 0 [6],[11],[59] 24,000    
Percentage of Total Net Assets [2],[6],[11],[59]   0.00%      
Investment, Identifier [Axis]: MVC Private Equity Fund LP, Limited Partnership Interest          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 71,790.4 71,790.4      
Investment Owned, Balance, Principal Amount [6],[11],[59]   $ 71,790.4      
Cost [6],[11],[59]   7,282,000      
Fair Value $ 0 $ 11,000 [6],[11],[59] 981,000    
Percentage of Total Net Assets [2],[6],[11],[59]   0.00%      
Investment, Identifier [Axis]: Magnetite XIX, Limited, Subordinated Notes          
Schedule of Investments [Line Items]          
Interest 8.00% [4],[16],[17] 9.03% [6],[9],[19],[21]      
Interest 12.30% [4],[16],[17] 13.70% [6],[9],[19],[21]      
Investment Owned, Balance, Principal Amount $ 5,250,000 [4],[16],[17] $ 10,500,000 [6],[9],[19],[21]      
Cost 5,250,000 [4],[16],[17] 10,357,000 [6],[9],[19],[21]      
Fair Value $ 5,238,000 [4],[16],[17] $ 10,500,000 [6],[9],[19],[21]      
Percentage of Total Net Assets 0.40% [1],[4],[16],[17] 0.90% [2],[6],[9],[19],[21]      
Investment, Identifier [Axis]: Marmoutier Holding B.V., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.50% [4],[17],[18],[24],[33],[43] 6.50% [6],[7],[20],[21],[32],[44]      
Interest [6],[7],[20],[21],[32],[44]   10.40%      
Investment, interest rate, paid in kind [4],[17],[18],[24],[33],[43] 10.40%        
Investment Owned, Balance, Principal Amount $ 2,653,000 [4],[17],[18],[24],[33],[43] $ 2,543,000 [6],[7],[20],[21],[32],[44]      
Cost 2,415,000 [4],[17],[18],[24],[33],[43] 2,415,000 [6],[7],[20],[21],[32],[44]      
Fair Value $ (24,000) [4],[17],[18],[24],[33],[43] $ 146,000 [6],[7],[20],[21],[32],[44]      
Percentage of Total Net Assets 0.00% [1],[4],[17],[18],[24],[33],[43] 0.00% [2],[6],[7],[20],[21],[32],[44]      
Investment, Identifier [Axis]: Marmoutier Holding B.V., Revolver          
Schedule of Investments [Line Items]          
Interest 5.75% [4],[17],[18],[24],[33],[43] 5.75% [6],[7],[20],[21],[32],[44]      
Interest [6],[7],[20],[21],[32],[44]   6.70%      
Investment, interest rate, paid in kind [4],[17],[18],[24],[33],[43] 6.70%        
Investment Owned, Balance, Principal Amount $ 116,000 [4],[17],[18],[24],[33],[43] $ 109,000 [6],[7],[20],[21],[32],[44]      
Cost 104,000 [4],[17],[18],[24],[33],[43] 104,000 [6],[7],[20],[21],[32],[44]      
Fair Value $ (13,000) [4],[17],[18],[24],[33],[43] $ (53,000) [6],[7],[20],[21],[32],[44]      
Percentage of Total Net Assets 0.00% [1],[4],[17],[18],[24],[33],[43] 0.00% [2],[6],[7],[20],[21],[32],[44]      
Investment, Identifier [Axis]: Marmoutier Holding B.V., Super Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Investment, interest rate, paid in kind 6.00% [4],[18],[43] 6.00% [6],[20],[21],[44]      
Investment Owned, Balance, Principal Amount $ 193,000 [4],[18],[43] $ 185,000 [6],[20],[21],[44]      
Cost 194,000 [4],[18],[43] 194,000 [6],[20],[21],[44]      
Fair Value $ 193,000 [4],[18],[43] $ 185,000 [6],[20],[21],[44]      
Percentage of Total Net Assets 0.00% [1],[4],[18],[43] 0.00% [2],[6],[20],[21],[44]      
Investment, Identifier [Axis]: Media Recovery, Inc. (SpotSee), First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 4.50% [16],[17],[18] 4.75% [19],[20],[21]      
Interest 8.80% [16],[17],[18] 9.50% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 1,771,000 [16],[17],[18] $ 1,771,000 [19],[20],[21]      
Cost 1,747,000 [16],[17],[18] 1,746,000 [19],[20],[21]      
Fair Value $ 1,749,000 [16],[17],[18] $ 1,747,000 [19],[20],[21]      
Percentage of Total Net Assets 0.10% [1],[16],[17],[18] 0.10% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Media Recovery, Inc. (SpotSee), First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 4.50% [17],[18],[49] 4.75% [20],[21],[50]      
Interest 9.00% [17],[18],[49] 9.60% [20],[21],[50]      
Investment Owned, Balance, Principal Amount $ 3,652,000 [17],[18],[49] $ 3,827,000 [20],[21],[50]      
Cost 3,743,000 [17],[18],[49] 4,039,000 [20],[21],[50]      
Fair Value $ 3,607,000 [17],[18],[49] $ 3,775,000 [20],[21],[50]      
Percentage of Total Net Assets 0.30% [1],[17],[18],[49] 0.30% [2],[20],[21],[50]      
Investment, Identifier [Axis]: Media Recovery, Inc. (SpotSee), Revolver 1          
Schedule of Investments [Line Items]          
Interest 4.50% [16],[17],[18],[24] 4.75% [7],[19],[20],[21]      
Interest 8.80% [16],[17],[18],[24] 9.50% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 41,000 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost 32,000 [16],[17],[18],[24] (9,000) [7],[19],[20],[21]      
Fair Value $ 33,000 [16],[17],[18],[24] $ (9,000) [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Media Recovery, Inc. (SpotSee), Revolver 2          
Schedule of Investments [Line Items]          
Interest 4.50% [17],[18],[24],[49] 4.75% [7],[20],[21],[50]      
Interest 9.00% [17],[18],[24],[49] 9.60% [7],[20],[21],[50]      
Investment Owned, Balance, Principal Amount $ 0 [17],[18],[24],[49] $ 0 [7],[20],[21],[50]      
Cost (11,000) [17],[18],[24],[49] (11,000) [7],[20],[21],[50]      
Fair Value $ (10,000) [17],[18],[24],[49] $ (10,000) [7],[20],[21],[50]      
Percentage of Total Net Assets 0.00% [1],[17],[18],[24],[49] 0.00% [2],[7],[20],[21],[50]      
Investment, Identifier [Axis]: Median B.V., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.93% [4],[17],[35] 5.93% [6],[20],[37]      
Interest 10.50% [4],[17],[35] 11.00% [6],[20],[37]      
Investment Owned, Balance, Principal Amount $ 9,616,000 [4],[17],[35] $ 9,330,000 [6],[20],[37]      
Cost 9,922,000 [4],[17],[35] 9,907,000 [6],[20],[37]      
Fair Value $ 9,305,000 [4],[17],[35] $ 8,966,000 [6],[20],[37]      
Percentage of Total Net Assets 0.80% [1],[4],[17],[35] 0.80% [2],[6],[20],[37]      
Investment, Identifier [Axis]: Medical Solutions Parent Holdings, Inc., Second Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 7.00% [16],[17] 7.00% [19],[20]      
Interest 11.40% [16],[17] 11.70% [19],[20]      
Investment Owned, Balance, Principal Amount $ 4,421,000 [16],[17] $ 4,421,000 [19],[20]      
Cost 4,395,000 [16],[17] 4,394,000 [19],[20]      
Fair Value $ 2,211,000 [16],[17] $ 2,211,000 [19],[20]      
Percentage of Total Net Assets 0.20% [1],[16],[17] 0.20% [2],[19],[20]      
Investment, Identifier [Axis]: Megawatt Acquisitionco, Inc., Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 205 [10],[18] 205 [11],[21]      
Cost $ 21,000 [10],[18] $ 21,000 [11],[21]      
Fair Value $ 0 [10],[18] $ 0 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Megawatt Acquisitionco, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.50% [16],[17],[18] 5.25% [19],[20],[21]      
Interest 9.80% [16],[17],[18] 9.70% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 4,149,000 [16],[17],[18] $ 4,160,000 [19],[20],[21]      
Cost 4,081,000 [16],[17],[18] 4,088,000 [19],[20],[21]      
Fair Value $ 3,901,000 [16],[17],[18] $ 3,648,000 [19],[20],[21]      
Percentage of Total Net Assets 0.30% [1],[16],[17],[18] 0.30% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Megawatt Acquisitionco, Inc., Preferred Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 1,842 [10],[18] 1,842 [11],[21]      
Cost $ 184,000 [10],[18] $ 184,000 [11],[21]      
Fair Value $ 92,000 [10],[18] $ 46,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Megawatt Acquisitionco, Inc., Revolver          
Schedule of Investments [Line Items]          
Interest 5.50% [16],[17],[18],[24] 5.25% [7],[19],[20],[21]      
Interest 9.80% [16],[17],[18],[24] 9.70% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 189,000 [16],[17],[18],[24] $ 189,000 [7],[19],[20],[21]      
Cost 179,000 [16],[17],[18],[24] 178,000 [7],[19],[20],[21]      
Fair Value $ 150,000 [16],[17],[18],[24] $ 108,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Mercell Holding AS, Class A Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 114.4 [4],[10],[18] 114.4 [6],[11],[21]      
Investment, interest rate, paid in kind [6],[11],[21]   9.00%      
Cost $ 111,000 [4],[10],[18] $ 111,000 [6],[11],[21]      
Fair Value $ 138,000 [4],[10],[18] $ 125,000 [6],[11],[21]      
Percentage of Total Net Assets 0.00% [1],[4],[10],[18] 0.00% [2],[6],[11],[21]      
Investment, Identifier [Axis]: Mercell Holding AS, Class B Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 28,943.8 [4],[10],[18] 28,943.8 [6],[11],[21]      
Cost $ 0 [4],[10],[18] $ 0 [6],[11],[21]      
Fair Value $ 26,000 [4],[10],[18] $ 21,000 [6],[11],[21]      
Percentage of Total Net Assets 0.00% [1],[4],[10],[18] 0.00% [2],[6],[11],[21]      
Investment, Identifier [Axis]: Mercell Holding AS, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.50% [4],[17],[18],[24],[61] 5.50% [6],[7],[20],[21],[62]      
Interest 10.00% [4],[17],[18],[24],[61] 10.10% [6],[7],[20],[21],[62]      
Investment Owned, Balance, Principal Amount $ 2,981,000 [4],[17],[18],[24],[61] $ 2,765,000 [6],[7],[20],[21],[62]      
Cost 3,153,000 [4],[17],[18],[24],[61] 3,150,000 [6],[7],[20],[21],[62]      
Fair Value $ 2,972,000 [4],[17],[18],[24],[61] $ 2,750,000 [6],[7],[20],[21],[62]      
Percentage of Total Net Assets 0.20% [1],[4],[17],[18],[24],[61] 0.20% [2],[6],[7],[20],[21],[62]      
Investment, Identifier [Axis]: Modern Star Holdings Bidco Pty Limited., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.00% [4],[17],[18],[24],[63] 6.00% [6],[7],[20],[21],[64]      
Interest 10.10% [4],[17],[18],[24],[63] 10.40% [6],[7],[20],[21],[64]      
Investment Owned, Balance, Principal Amount $ 6,933,000 [4],[17],[18],[24],[63] $ 7,008,000 [6],[7],[20],[21],[64]      
Cost 8,135,000 [4],[17],[18],[24],[63] 8,268,000 [6],[7],[20],[21],[64]      
Fair Value $ 6,933,000 [4],[17],[18],[24],[63] $ 7,008,000 [6],[7],[20],[21],[64]      
Percentage of Total Net Assets 0.60% [1],[4],[17],[18],[24],[63] 0.60% [2],[6],[7],[20],[21],[64]      
Investment, Identifier [Axis]: Momentum Textiles, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [17],[18],[28] 5.50%        
Interest [17],[18],[28] 9.80%        
Investment Owned, Balance, Principal Amount [17],[18],[28] $ 7,328,000        
Cost [17],[18],[28] 7,255,000        
Fair Value [17],[18],[28] $ 7,255,000        
Percentage of Total Net Assets [1],[17],[18],[28] 0.60%        
Investment, Identifier [Axis]: Momentum Textiles, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest [17],[18],[24],[28] 5.50%        
Interest [17],[18],[24],[28] 9.80%        
Investment Owned, Balance, Principal Amount [17],[18],[24],[28] $ 0        
Cost [17],[18],[24],[28] (9,000)        
Fair Value [17],[18],[24],[28] $ (9,000)        
Percentage of Total Net Assets [1],[17],[18],[24],[28] 0.00%        
Investment, Identifier [Axis]: Moonlight Bidco Limited, Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 10,590 [4],[10],[18] 10,590 [6],[11],[21]      
Cost $ 138,000 [4],[10],[18] $ 138,000 [6],[11],[21]      
Fair Value $ 198,000 [4],[10],[18] $ 182,000 [6],[11],[21]      
Percentage of Total Net Assets 0.00% [1],[4],[10],[18] 0.00% [2],[6],[11],[21]      
Investment, Identifier [Axis]: Moonlight Bidco Limited, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [4],[17],[18],[24],[35] 5.75% [6],[7],[20],[21],[34]      
Interest 9.50% [4],[17],[18],[24],[35] 10.70% [6],[7],[20],[21],[34]      
Investment Owned, Balance, Principal Amount $ 1,917,000 [4],[17],[18],[24],[35] $ 1,860,000 [6],[7],[20],[21],[34]      
Cost 1,886,000 [4],[17],[18],[24],[35] 1,884,000 [6],[7],[20],[21],[34]      
Fair Value $ 1,917,000 [4],[17],[18],[24],[35] $ 1,841,000 [6],[7],[20],[21],[34]      
Percentage of Total Net Assets 0.20% [1],[4],[17],[18],[24],[35] 0.20% [2],[6],[7],[20],[21],[34]      
Investment, Identifier [Axis]: Murphy Midco Limited, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.25% [4],[17],[18],[36] 5.25% [6],[20],[21],[37]      
Interest 10.20% [4],[17],[18],[36] 10.20% [6],[20],[21],[37]      
Investment Owned, Balance, Principal Amount $ 1,691,000 [4],[17],[18],[36] $ 1,641,000 [6],[20],[21],[37]      
Cost 1,718,000 [4],[17],[18],[36] 1,716,000 [6],[20],[21],[37]      
Fair Value $ 1,638,000 [4],[17],[18],[36] $ 1,641,000 [6],[20],[21],[37]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[36] 0.10% [2],[6],[20],[21],[37]      
Investment, Identifier [Axis]: Music Reports, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.25% [16],[17],[18] 6.25% [19],[20],[21]      
Interest 10.70% [16],[17],[18] 10.70% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 6,923,000 [16],[17],[18] $ 6,923,000 [19],[20],[21]      
Cost 6,876,000 [16],[17],[18] 6,868,000 [19],[20],[21]      
Fair Value $ 6,604,000 [16],[17],[18] $ 6,618,000 [19],[20],[21]      
Percentage of Total Net Assets 0.60% [1],[16],[17],[18] 0.60% [2],[19],[20],[21]      
Investment, Identifier [Axis]: NAW Buyer LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.50% [16],[17],[18],[24] 5.75% [7],[19],[20],[21]      
Interest 9.80% [16],[17],[18],[24] 10.40% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 11,820,000 [16],[17],[18],[24] $ 11,850,000 [7],[19],[20],[21]      
Cost 11,476,000 [16],[17],[18],[24] 11,489,000 [7],[19],[20],[21]      
Fair Value $ 11,820,000 [16],[17],[18],[24] $ 11,850,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 1.00% [1],[16],[17],[18],[24] 1.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: NAW Buyer LLC, LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 472,512 [18] 472,512 [21]      
Cost $ 473,000 [18] $ 473,000 [21]      
Fair Value $ 543,000 [18] $ 524,000 [21]      
Percentage of Total Net Assets 0.00% [1],[18] 0.00% [2],[21]      
Investment, Identifier [Axis]: NAW Buyer LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 5.50% [16],[17],[18],[24] 5.75% [7],[19],[20],[21]      
Interest 9.80% [16],[17],[18],[24] 10.40% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost (35,000) [16],[17],[18],[24] (37,000) [7],[19],[20],[21]      
Fair Value $ 0 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: NF Holdco, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.50% [16],[17],[18] 6.50% [19],[20],[21]      
Interest 10.80% [16],[17],[18] 10.80% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 6,267,000 [16],[17],[18] $ 6,283,000 [19],[20],[21]      
Cost 6,128,000 [16],[17],[18] 6,137,000 [19],[20],[21]      
Fair Value $ 6,267,000 [16],[17],[18] $ 6,283,000 [19],[20],[21]      
Percentage of Total Net Assets 0.50% [1],[16],[17],[18] 0.50% [2],[19],[20],[21]      
Investment, Identifier [Axis]: NF Holdco, LLC, LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 639,510 [10],[18] 639,510 [11],[21]      
Cost $ 659,000 [10],[18] $ 659,000 [11],[21]      
Fair Value $ 448,000 [10],[18] $ 563,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: NF Holdco, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 6.50% [16],[17],[18],[24] 6.50% [7],[19],[20],[21]      
Interest 10.80% [16],[17],[18],[24] 10.80% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 276,000 [16],[17],[18],[24] $ 276,000 [7],[19],[20],[21]      
Cost 254,000 [16],[17],[18],[24] 253,000 [7],[19],[20],[21]      
Fair Value $ 276,000 [16],[17],[18],[24] $ 276,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: NPM Investments 28 B.V., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.00% [4],[17],[18],[24],[25] 6.00% [6],[7],[20],[21],[26]      
Interest 8.40% [4],[17],[18],[24],[25] 9.30% [6],[7],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 1,967,000 [4],[17],[18],[24],[25] $ 1,885,000 [6],[7],[20],[21],[26]      
Cost 1,743,000 [4],[17],[18],[24],[25] 1,741,000 [6],[7],[20],[21],[26]      
Fair Value $ 1,967,000 [4],[17],[18],[24],[25] $ 1,869,000 [6],[7],[20],[21],[26]      
Percentage of Total Net Assets 0.20% [1],[4],[17],[18],[24],[25] 0.20% [2],[6],[7],[20],[21],[26]      
Investment, Identifier [Axis]: Napa Bidco Pty Ltd, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [4],[17],[18],[38] 5.00% [6],[20],[21],[39]      
Interest 9.20% [4],[17],[18],[38] 9.50% [6],[20],[21],[39]      
Investment Owned, Balance, Principal Amount $ 12,540,000 [4],[17],[18],[38] $ 12,460,000 [6],[20],[21],[39]      
Cost 14,275,000 [4],[17],[18],[38] 14,257,000 [6],[20],[21],[39]      
Fair Value $ 12,540,000 [4],[17],[18],[38] $ 12,459,000 [6],[20],[21],[39]      
Percentage of Total Net Assets 1.10% [1],[4],[17],[18],[38] 1.00% [2],[6],[20],[21],[39]      
Investment, Identifier [Axis]: Narda Acquisitionco., Inc., Class A Preferred Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 4,587.38 [10],[18] 4,587.38 [11],[21]      
Cost $ 459,000 [10],[18] $ 459,000 [11],[21]      
Fair Value $ 589,000 [10],[18] $ 578,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Narda Acquisitionco., Inc., Class B Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 509.71 [10],[18] 509.71 [11],[21]      
Cost $ 51,000 [10],[18] $ 51,000 [11],[21]      
Fair Value $ 677,000 [10],[18] $ 743,000 [11],[21]      
Percentage of Total Net Assets 0.10% [1],[10],[18] 0.10% [2],[11],[21]      
Investment, Identifier [Axis]: Narda Acquisitionco., Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.75% [17],[18],[28] 4.75% [20],[21],[29]      
Interest 9.20% [17],[18],[28] 9.40% [20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 5,061,000 [17],[18],[28] $ 5,074,000 [20],[21],[29]      
Cost 5,020,000 [17],[18],[28] 5,030,000 [20],[21],[29]      
Fair Value $ 5,061,000 [17],[18],[28] $ 5,074,000 [20],[21],[29]      
Percentage of Total Net Assets 0.40% [1],[17],[18],[28] 0.40% [2],[20],[21],[29]      
Investment, Identifier [Axis]: Narda Acquisitionco., Inc., Revolver          
Schedule of Investments [Line Items]          
Interest 4.75% [17],[18],[24],[28] 4.75% [7],[20],[21],[29]      
Interest 9.20% [17],[18],[24],[28] 9.40% [7],[20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 0 [17],[18],[24],[28] $ 0 [7],[20],[21],[29]      
Cost (10,000) [17],[18],[24],[28] (11,000) [7],[20],[21],[29]      
Fair Value $ 0 [17],[18],[24],[28] $ 0 [7],[20],[21],[29]      
Percentage of Total Net Assets 0.00% [1],[17],[18],[24],[28] 0.00% [2],[7],[20],[21],[29]      
Investment, Identifier [Axis]: Navia Benefit Solutions, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.50% [17],[18],[28] 4.50% [20],[21],[29]      
Interest 8.90% [17],[18],[28] 9.20% [20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 5,557,000 [17],[18],[28] $ 5,572,000 [20],[21],[29]      
Cost 5,510,000 [17],[18],[28] 5,518,000 [20],[21],[29]      
Fair Value $ 5,557,000 [17],[18],[28] $ 5,572,000 [20],[21],[29]      
Percentage of Total Net Assets 0.50% [1],[17],[18],[28] 0.50% [2],[20],[21],[29]      
Investment, Identifier [Axis]: NeoxCo, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.35% [4],[17],[18],[33] 6.50% [6],[20],[21],[32]      
Interest 8.90% [4],[17],[18],[33] 10.10% [6],[20],[21],[32]      
Investment Owned, Balance, Principal Amount $ 2,583,000 [4],[17],[18],[33] $ 2,476,000 [6],[20],[21],[32]      
Cost 2,527,000 [4],[17],[18],[33] 2,525,000 [6],[20],[21],[32]      
Fair Value $ 2,583,000 [4],[17],[18],[33] $ 2,456,000 [6],[20],[21],[32]      
Percentage of Total Net Assets 0.20% [1],[4],[17],[18],[33] 0.20% [2],[6],[20],[21],[32]      
Investment, Identifier [Axis]: Next Holdco, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.25% [16],[17],[18],[24] 5.75% [7],[19],[20],[21]      
Interest 9.60% [16],[17],[18],[24] 10.50% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 22,319,000 [16],[17],[18],[24] $ 7,320,000 [7],[19],[20],[21]      
Cost 22,055,000 [16],[17],[18],[24] 7,199,000 [7],[19],[20],[21]      
Fair Value $ 22,077,000 [16],[17],[18],[24] $ 7,320,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 1.90% [1],[16],[17],[18],[24] 0.60% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Next Holdco, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 5.25% [16],[17],[18],[24] 5.75% [7],[19],[20],[21]      
Interest 9.60% [16],[17],[18],[24] 10.50% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost (9,000) [16],[17],[18],[24] (9,000) [7],[19],[20],[21]      
Fair Value $ (7,000) [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Northstar Recycling, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.65% [16],[17],[18],[24] 4.75% [7],[19],[20],[21]      
Interest 9.00% [16],[17],[18],[24] 9.00% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 17,135,000 [16],[17],[18],[24] $ 17,178,000 [7],[19],[20],[21]      
Cost 16,881,000 [16],[17],[18],[24] 16,911,000 [7],[19],[20],[21]      
Fair Value $ 17,136,000 [16],[17],[18],[24] $ 16,910,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 1.40% [1],[16],[17],[18],[24] 1.40% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Northstar Recycling, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 4.65% [16],[17],[18],[24] 4.75% [7],[19],[20],[21]      
Interest 9.00% [16],[17],[18],[24] 9.00% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost (42,000) [16],[17],[18],[24] (44,000) [7],[19],[20],[21]      
Fair Value $ 0 [16],[17],[18],[24] $ (44,000) [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: OA Buyer, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [20],[21],[29]   4.75%      
Interest [20],[21],[29]   9.30%      
Investment Owned, Balance, Principal Amount [20],[21],[29]   $ 8,301,000      
Cost [20],[21],[29]   8,223,000      
Fair Value [20],[21],[29]   $ 8,268,000      
Percentage of Total Net Assets [2],[20],[21],[29]   0.70%      
Investment, Identifier [Axis]: OA Buyer, Inc., First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest [17],[18],[28] 4.50%        
Interest [17],[18],[28] 8.80%        
Investment Owned, Balance, Principal Amount [17],[18],[28] $ 5,461,000        
Cost [17],[18],[28] 5,400,000        
Fair Value [17],[18],[28] $ 5,461,000        
Percentage of Total Net Assets [1],[17],[18],[28] 0.50%        
Investment, Identifier [Axis]: OA Buyer, Inc., First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest [17],[18],[28] 4.50%        
Interest [17],[18],[28] 8.80%        
Investment Owned, Balance, Principal Amount [17],[18],[28] $ 2,819,000        
Cost [17],[18],[28] 2,807,000        
Fair Value [17],[18],[28] $ 2,819,000        
Percentage of Total Net Assets [1],[17],[18],[28] 0.20%        
Investment, Identifier [Axis]: OA Buyer, Inc., Partnership Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 210,920.11 [10],[18] 210,920.11 [21]      
Cost $ 211,000 [10],[18] $ 211,000 [21]      
Fair Value $ 827,000 [10],[18] $ 783,000 [21]      
Percentage of Total Net Assets 0.10% [1],[10],[18] 0.10% [2],[21]      
Investment, Identifier [Axis]: OA Buyer, Inc., Revolver          
Schedule of Investments [Line Items]          
Interest 4.50% [17],[18],[24],[28] 4.75% [7],[20],[21],[29]      
Interest 8.80% [17],[18],[24],[28] 9.30% [7],[20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 0 [17],[18],[24],[28] $ 0 [7],[20],[21],[29]      
Cost (14,000) [17],[18],[24],[28] (15,000) [7],[20],[21],[29]      
Fair Value $ 0 [17],[18],[24],[28] $ (5,000) [7],[20],[21],[29]      
Percentage of Total Net Assets 0.00% [1],[17],[18],[24],[28] 0.00% [2],[7],[20],[21],[29]      
Investment, Identifier [Axis]: OAC Holdings I Corp, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18] 5.00% [20],[21],[29]      
Interest 9.50% [16],[17],[18] 9.70% [20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 3,312,000 [16],[17],[18] $ 3,539,000 [20],[21],[29]      
Cost 3,274,000 [16],[17],[18] 3,496,000 [20],[21],[29]      
Fair Value $ 3,312,000 [16],[17],[18] $ 3,539,000 [20],[21],[29]      
Percentage of Total Net Assets 0.30% [1],[16],[17],[18] 0.30% [2],[20],[21],[29]      
Investment, Identifier [Axis]: OAC Holdings I Corp, Revolver          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18],[24] 5.00% [7],[20],[21],[29]      
Interest 9.50% [16],[17],[18],[24] 9.70% [7],[20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 489,000 [16],[17],[18],[24] $ 0 [7],[20],[21],[29]      
Cost 475,000 [16],[17],[18],[24] (15,000) [7],[20],[21],[29]      
Fair Value $ 489,000 [16],[17],[18],[24] $ 0 [7],[20],[21],[29]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[20],[21],[29]      
Investment, Identifier [Axis]: OG III B.V., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [6],[20],[21],[26]   5.50%      
Interest [6],[20],[21],[26]   8.90%      
Investment Owned, Balance, Principal Amount [6],[20],[21],[26]   $ 3,279,000      
Cost [6],[20],[21],[26]   3,695,000      
Fair Value [6],[20],[21],[26]   $ 3,241,000      
Percentage of Total Net Assets [2],[6],[20],[21],[26]   0.30%      
Investment, Identifier [Axis]: OG III B.V., First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest [4],[17],[18],[25] 5.40%        
Interest [4],[17],[18],[25] 7.80%        
Investment Owned, Balance, Principal Amount [4],[17],[18],[25] $ 2,118,000        
Cost [4],[17],[18],[25] 2,345,000        
Fair Value [4],[17],[18],[25] $ 2,098,000        
Percentage of Total Net Assets [1],[4],[17],[18],[25] 0.20%        
Investment, Identifier [Axis]: OG III B.V., First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest [4],[17],[18],[25] 5.50%        
Interest [4],[17],[18],[25] 7.90%        
Investment Owned, Balance, Principal Amount [4],[17],[18],[25] $ 1,303,000        
Cost [4],[17],[18],[25] 1,353,000        
Fair Value [4],[17],[18],[25] $ 1,291,000        
Percentage of Total Net Assets [1],[4],[17],[18],[25] 0.10%        
Investment, Identifier [Axis]: ORTEC INTERNATIONAL NEWCO B.V., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.50% [4],[17],[18],[25] 5.75% [6],[20],[21],[26]      
Interest 7.90% [4],[17],[18],[25] 8.50% [6],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 987,000 [4],[17],[18],[25] $ 947,000 [6],[20],[21],[26]      
Cost 976,000 [4],[17],[18],[25] 976,000 [6],[20],[21],[26]      
Fair Value $ 973,000 [4],[17],[18],[25] $ 931,000 [6],[20],[21],[26]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[25] 0.10% [2],[6],[20],[21],[26]      
Investment, Identifier [Axis]: OSP Hamilton Purchaser, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18],[24] 5.25% [7],[19],[20],[21]      
Interest 9.30% [16],[17],[18],[24] 9.80% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 14,094,000 [16],[17],[18],[24] $ 14,130,000 [7],[19],[20],[21]      
Cost 13,856,000 [16],[17],[18],[24] 13,874,000 [7],[19],[20],[21]      
Fair Value $ 13,896,000 [16],[17],[18],[24] $ 13,901,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 1.20% [1],[16],[17],[18],[24] 1.20% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: OSP Hamilton Purchaser, LLC, LP Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 173,749 [18] 173,749 [21]      
Cost $ 174,000 [18] $ 174,000 [21]      
Fair Value $ 195,000 [18] $ 151,000 [21]      
Percentage of Total Net Assets 0.00% [1],[18] 0.00% [2],[21]      
Investment, Identifier [Axis]: OSP Hamilton Purchaser, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18],[24] 5.25% [7],[19],[20],[21]      
Interest 9.30% [16],[17],[18],[24] 9.80% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 444,000 [16],[17],[18],[24] $ 444,000 [7],[19],[20],[21]      
Cost 428,000 [16],[17],[18],[24] 427,000 [7],[19],[20],[21]      
Fair Value $ 432,000 [16],[17],[18],[24] $ 430,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Ocelot Holdco LLC, Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 186.67 [10],[18] 186.67 [11],[21]      
Cost $ 0 [10],[18] $ 0 [11],[21]      
Fair Value $ 903,000 [10],[18] $ 742,000 [11],[21]      
Percentage of Total Net Assets 0.10% [1],[10],[18] 0.10% [2],[11],[21]      
Investment, Identifier [Axis]: Ocelot Holdco LLC, Preferred Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 243.81 [18] 243.81 [21]      
Investment, interest rate, paid in kind 15.00% [18] 15.00% [21]      
Cost $ 1,998,000 [18] $ 1,562,000 [21]      
Fair Value $ 2,963,000 [18] $ 2,873,000 [21]      
Percentage of Total Net Assets 0.20% [1],[18] 0.20% [2],[21]      
Investment, Identifier [Axis]: Ocelot Holdco LLC, Super Senior Takeback Loan          
Schedule of Investments [Line Items]          
Interest 10.00% [17],[18] 10.00% [20],[21]      
Investment Owned, Balance, Principal Amount $ 549,000 [17],[18] $ 549,000 [20],[21]      
Cost 549,000 [17],[18] 549,000 [20],[21]      
Fair Value $ 549,000 [17],[18] $ 549,000 [20],[21]      
Percentage of Total Net Assets 0.00% [1],[17],[18] 0.00% [2],[20],[21]      
Investment, Identifier [Axis]: Ocelot Holdco LLC, Takeback Term Loan          
Schedule of Investments [Line Items]          
Interest [20],[21]   10.00%      
Investment Owned, Balance, Principal Amount [20],[21]   $ 2,933,000      
Cost [20],[21]   2,933,000      
Fair Value [20],[21]   $ 2,933,000      
Percentage of Total Net Assets [2],[20],[21]   0.20%      
Investment, Identifier [Axis]: Ocelot Holdco LLC, Takeback Term loan          
Schedule of Investments [Line Items]          
Interest [17],[18] 10.00%        
Investment Owned, Balance, Principal Amount [17],[18] $ 2,933,000        
Cost [17],[18] 2,933,000        
Fair Value [17],[18] $ 2,933,000        
Percentage of Total Net Assets [1],[17],[18] 0.20%        
Investment, Identifier [Axis]: Ocular Therapeutix, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.75% [4],[17],[18],[28] 6.75% [6],[20],[21],[29]      
Interest 11.10% [4],[17],[18],[28] 11.20% [6],[20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 3,930,000 [4],[17],[18],[28] $ 3,930,000 [6],[20],[21],[29]      
Cost 3,836,000 [4],[17],[18],[28] 3,832,000 [6],[20],[21],[29]      
Fair Value $ 4,849,000 [4],[17],[18],[28] $ 4,849,000 [6],[20],[21],[29]      
Percentage of Total Net Assets 0.40% [1],[4],[17],[18],[28] 0.40% [2],[6],[20],[21],[29]      
Investment, Identifier [Axis]: Offen Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.11% [8],[18],[28] 5.00% [9],[21],[29]      
Interest 9.40% [8],[18],[28] 9.70% [9],[21],[29]      
Investment Owned, Balance, Principal Amount $ 3,715,000 [8],[18],[28] $ 3,718,000 [9],[21],[29]      
Cost 3,678,000 [8],[18],[28] 3,681,000 [9],[21],[29]      
Fair Value $ 3,678,000 [8],[18],[28] $ 3,681,000 [9],[21],[29]      
Percentage of Total Net Assets 0.30% [1],[8],[18],[28] 0.30% [2],[9],[21],[29]      
Investment, Identifier [Axis]: Oracle Vision Bidco Limited, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [4],[17],[18],[36] 5.25% [6],[20],[21],[37]      
Interest 9.70% [4],[17],[18],[36] 10.00% [6],[20],[21],[37]      
Investment Owned, Balance, Principal Amount $ 2,954,000 [4],[17],[18],[36] $ 2,866,000 [6],[20],[21],[37]      
Cost 3,178,000 [4],[17],[18],[36] 3,175,000 [6],[20],[21],[37]      
Fair Value $ 2,898,000 [4],[17],[18],[36] $ 2,802,000 [6],[20],[21],[37]      
Percentage of Total Net Assets 0.20% [1],[4],[17],[18],[36] 0.20% [2],[6],[20],[21],[37]      
Investment, Identifier [Axis]: Origin Bidco Limited, First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 5.25% [4],[17],[18],[25] 5.25% [6],[20],[21],[26]      
Interest 7.80% [4],[17],[18],[25] 8.10% [6],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 320,000 [4],[17],[18],[25] $ 307,000 [6],[20],[21],[26]      
Cost 355,000 [4],[17],[18],[25] 355,000 [6],[20],[21],[26]      
Fair Value $ 314,000 [4],[17],[18],[25] $ 301,000 [6],[20],[21],[26]      
Percentage of Total Net Assets 0.00% [1],[4],[17],[18],[25] 0.00% [2],[6],[20],[21],[26]      
Investment, Identifier [Axis]: Origin Bidco Limited, First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 5.25% [4],[16],[17],[18] 5.25% [6],[19],[20],[21]      
Interest 9.80% [4],[16],[17],[18] 10.00% [6],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 533,000 [4],[16],[17],[18] $ 533,000 [6],[19],[20],[21]      
Cost 526,000 [4],[16],[17],[18] 525,000 [6],[19],[20],[21]      
Fair Value $ 524,000 [4],[16],[17],[18] $ 522,000 [6],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[4],[16],[17],[18] 0.00% [2],[6],[19],[20],[21]      
Investment, Identifier [Axis]: PDQ.Com Corporation, Class A-2 Partnership Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 13.9 [10],[18] 28.8 [11],[21]      
Cost $ 14,000 [10],[18] $ 29,000 [11],[21]      
Fair Value $ 26,000 [10],[18] $ 42,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: PDQ.Com Corporation, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.50% [16],[17],[18],[24] 4.75% [7],[19],[20],[21]      
Interest 8.80% [16],[17],[18],[24] 9.30% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 14,952,000 [16],[17],[18],[24] $ 14,753,000 [7],[19],[20],[21]      
Cost 14,775,000 [16],[17],[18],[24] 14,558,000 [7],[19],[20],[21]      
Fair Value $ 14,752,000 [16],[17],[18],[24] $ 14,514,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 1.20% [1],[16],[17],[18],[24] 1.20% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: PSP Intermediate 4, LLC, First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 5.75% [4],[17],[18],[24],[25] 5.75% [6],[7],[20],[21],[26]      
Interest 8.30% [4],[17],[18],[24],[25] 8.80% [6],[7],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 883,000 [4],[17],[18],[24],[25] $ 846,000 [6],[7],[20],[21],[26]      
Cost 847,000 [4],[17],[18],[24],[25] 846,000 [6],[7],[20],[21],[26]      
Fair Value $ 883,000 [4],[17],[18],[24],[25] $ 844,000 [6],[7],[20],[21],[26]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[24],[25] 0.10% [2],[6],[7],[20],[21],[26]      
Investment, Identifier [Axis]: PSP Intermediate 4, LLC, First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 5.75% [4],[16],[17],[18] 5.75% [6],[19],[20],[21]      
Interest 10.30% [4],[16],[17],[18] 10.50% [6],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 1,411,000 [4],[16],[17],[18] $ 1,411,000 [6],[19],[20],[21]      
Cost 1,395,000 [4],[16],[17],[18] 1,394,000 [6],[19],[20],[21]      
Fair Value $ 1,411,000 [4],[16],[17],[18] $ 1,408,000 [6],[19],[20],[21]      
Percentage of Total Net Assets 0.10% [1],[4],[16],[17],[18] 0.10% [2],[6],[19],[20],[21]      
Investment, Identifier [Axis]: Panoche Energy Center LLC, First Lien Senior Secured Bond          
Schedule of Investments [Line Items]          
Interest 6.90% [18] 6.90% [21]      
Investment Owned, Balance, Principal Amount $ 3,405,000 [18] $ 3,740,000 [21]      
Cost 3,159,000 [18] 3,458,000 [21]      
Fair Value $ 3,351,000 [18] $ 3,695,000 [21]      
Percentage of Total Net Assets 0.30% [1],[18] 0.30% [2],[21]      
Investment, Identifier [Axis]: Pare SAS (SAS Maurice MARLE), First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 5.25% [4],[17],[18],[25] 5.25% [6],[20],[21],[32]      
Interest 7.60% [4],[17],[18],[25] 9.00% [6],[20],[21],[32]      
Investment, interest rate, paid in kind [6],[20],[21],[32]   0.80%      
Investment Owned, Balance, Principal Amount $ 2,667,000 [4],[17],[18],[25] $ 2,688,000 [6],[20],[21],[32]      
Cost 2,734,000 [4],[17],[18],[25] 2,873,000 [6],[20],[21],[32]      
Fair Value $ 2,667,000 [4],[17],[18],[25] $ 2,688,000 [6],[20],[21],[32]      
Percentage of Total Net Assets 0.20% [1],[4],[17],[18],[25] 0.20% [2],[6],[20],[21],[32]      
Investment, Identifier [Axis]: Pare SAS (SAS Maurice MARLE), First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 5.25% [4],[16],[17],[18] 5.25% [6],[19],[20],[21]      
Interest 9.60% [4],[16],[17],[18] 9.90% [6],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 1,500,000 [4],[16],[17],[18] $ 1,500,000 [6],[19],[20],[21]      
Cost 1,500,000 [4],[16],[17],[18] 1,500,000 [6],[19],[20],[21]      
Fair Value $ 1,500,000 [4],[16],[17],[18] $ 1,500,000 [6],[19],[20],[21]      
Percentage of Total Net Assets 0.10% [1],[4],[16],[17],[18] 0.10% [2],[6],[19],[20],[21]      
Investment, Identifier [Axis]: Parkview Dental Holdings LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [7],[20],[21],[29]   8.30%      
Interest [7],[20],[21],[29]   12.90%      
Investment Owned, Balance, Principal Amount [7],[20],[21],[29]   $ 624,000      
Cost [7],[20],[21],[29]   608,000      
Fair Value [7],[20],[21],[29]   $ 609,000      
Percentage of Total Net Assets [2],[7],[20],[21],[29]   0.10%      
Investment, Identifier [Axis]: Parkview Dental Holdings LLC, First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest [17],[18],[24],[28] 8.25%        
Interest [17],[18],[24],[28] 12.60%        
Investment Owned, Balance, Principal Amount [17],[18],[24],[28] $ 29,000        
Cost [17],[18],[24],[28] 24,000        
Fair Value [17],[18],[24],[28] $ 25,000        
Percentage of Total Net Assets [1],[17],[18],[24],[28] 0.00%        
Investment, Identifier [Axis]: Parkview Dental Holdings LLC, First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest [17],[18],[28] 8.30%        
Interest [17],[18],[28] 12.70%        
Investment Owned, Balance, Principal Amount [17],[18],[28] $ 595,000        
Cost [17],[18],[28] 585,000        
Fair Value [17],[18],[28] $ 588,000        
Percentage of Total Net Assets [1],[17],[18],[28] 0.00%        
Investment, Identifier [Axis]: Parkview Dental Holdings LLC, LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 29,762 [10],[18] 29,762 [11],[21]      
Cost $ 298,000 [10],[18] $ 298,000 [11],[21]      
Fair Value $ 213,000 [10],[18] $ 263,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Parkview Dental Holdings LLC, Preferred Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) [18] 1,229.1        
Investment, interest rate, paid in kind [18] 10.00%        
Cost [18] $ 12,000        
Fair Value [18] $ 37,000        
Percentage of Total Net Assets [1],[18] 0.00%        
Investment, Identifier [Axis]: Patriot New Midco 1 Limited (Forensic Risk Alliance), First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 5.75% [4],[17],[18],[25] 6.75% [6],[20],[21],[26]      
Interest 8.30% [4],[17],[18],[25] 9.80% [6],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 1,945,000 [4],[17],[18],[25] $ 2,045,000 [6],[20],[21],[26]      
Cost 1,955,000 [4],[17],[18],[25] 2,140,000 [6],[20],[21],[26]      
Fair Value $ 1,945,000 [4],[17],[18],[25] $ 2,045,000 [6],[20],[21],[26]      
Percentage of Total Net Assets 0.20% [1],[4],[17],[18],[25] 0.20% [2],[6],[20],[21],[26]      
Investment, Identifier [Axis]: Patriot New Midco 1 Limited (Forensic Risk Alliance), First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 5.75% [4],[16],[17],[18] 7.01% [6],[19],[20],[21]      
Interest 10.40% [4],[16],[17],[18] 11.60% [6],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 2,397,000 [4],[16],[17],[18] $ 2,628,000 [6],[19],[20],[21]      
Cost 2,387,000 [4],[16],[17],[18] 2,613,000 [6],[19],[20],[21]      
Fair Value $ 2,397,000 [4],[16],[17],[18] $ 2,628,000 [6],[19],[20],[21]      
Percentage of Total Net Assets 0.20% [1],[4],[16],[17],[18] 0.20% [2],[6],[19],[20],[21]      
Investment, Identifier [Axis]: Perimeter Master Note Business Trust, Structured Secured Note - Class A          
Schedule of Investments [Line Items]          
Interest 4.70% [4],[18] 4.70% [6],[21]      
Investment Owned, Balance, Principal Amount $ 182,000 [4],[18] $ 182,000 [6],[21]      
Cost 182,000 [4],[18] 182,000 [6],[21]      
Fair Value $ 179,000 [4],[18] $ 177,000 [6],[21]      
Percentage of Total Net Assets 0.00% [1],[4],[18] 0.00% [2],[6],[21]      
Investment, Identifier [Axis]: Perimeter Master Note Business Trust, Structured Secured Note - Class B          
Schedule of Investments [Line Items]          
Interest 5.40% [4],[18] 5.40% [6],[21]      
Investment Owned, Balance, Principal Amount $ 182,000 [4],[18] $ 182,000 [6],[21]      
Cost 182,000 [4],[18] 182,000 [6],[21]      
Fair Value $ 180,000 [4],[18] $ 178,000 [6],[21]      
Percentage of Total Net Assets 0.00% [1],[4],[18] 0.00% [2],[6],[21]      
Investment, Identifier [Axis]: Perimeter Master Note Business Trust, Structured Secured Note - Class C          
Schedule of Investments [Line Items]          
Interest 5.90% [4],[18] 5.90% [6],[21]      
Investment Owned, Balance, Principal Amount $ 182,000 [4],[18] $ 182,000 [6],[21]      
Cost 182,000 [4],[18] 182,000 [6],[21]      
Fair Value $ 180,000 [4],[18] $ 180,000 [6],[21]      
Percentage of Total Net Assets 0.00% [1],[4],[18] 0.00% [2],[6],[21]      
Investment, Identifier [Axis]: Perimeter Master Note Business Trust, Structured Secured Note - Class D          
Schedule of Investments [Line Items]          
Interest 8.50% [4],[18] 8.50% [6],[21]      
Investment Owned, Balance, Principal Amount $ 182,000 [4],[18] $ 182,000 [6],[21]      
Cost 182,000 [4],[18] 182,000 [6],[21]      
Fair Value $ 181,000 [4],[18] $ 178,000 [6],[21]      
Percentage of Total Net Assets 0.00% [1],[4],[18] 0.00% [2],[6],[21]      
Investment, Identifier [Axis]: Perimeter Master Note Business Trust, Structured Secured Note - Class E          
Schedule of Investments [Line Items]          
Interest 11.40% [4],[18] 11.40% [6],[21]      
Investment Owned, Balance, Principal Amount $ 9,274,000 [4],[18] $ 9,274,000 [6],[21]      
Cost 9,274,000 [4],[18] 9,274,000 [6],[21]      
Fair Value $ 9,263,000 [4],[18] $ 8,904,000 [6],[21]      
Percentage of Total Net Assets 0.80% [1],[4],[18] 0.70% [2],[6],[21]      
Investment, Identifier [Axis]: Permaconn BidCo Pty Ltd, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.25% [4],[17],[18],[38] 5.25% [6],[20],[21],[39]      
Interest 9.40% [4],[17],[18],[38] 9.70% [6],[20],[21],[39]      
Investment Owned, Balance, Principal Amount $ 2,553,000 [4],[17],[18],[38] $ 2,537,000 [6],[20],[21],[39]      
Cost 2,712,000 [4],[17],[18],[38] 2,710,000 [6],[20],[21],[39]      
Fair Value $ 2,553,000 [4],[17],[18],[38] $ 2,537,000 [6],[20],[21],[39]      
Percentage of Total Net Assets 0.20% [1],[4],[17],[18],[38] 0.20% [2],[6],[20],[21],[39]      
Investment, Identifier [Axis]: Polara Enterprises, L.L.C., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.75% [17],[18],[28] 4.75% [19],[20],[21]      
Interest 9.20% [17],[18],[28] 9.50% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 954,000 [17],[18],[28] $ 957,000 [19],[20],[21]      
Cost 944,000 [17],[18],[28] 947,000 [19],[20],[21]      
Fair Value $ 954,000 [17],[18],[28] $ 957,000 [19],[20],[21]      
Percentage of Total Net Assets 0.10% [1],[17],[18],[28] 0.10% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Polara Enterprises, L.L.C., Partnership Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 7,409 [18] 7,409 [21]      
Cost $ 741,000 [18] $ 741,000 [21]      
Fair Value $ 1,492,000 [18] $ 1,229,000 [21]      
Percentage of Total Net Assets 0.10% [1],[18] 0.10% [2],[21]      
Investment, Identifier [Axis]: Polara Enterprises, L.L.C., Revolver          
Schedule of Investments [Line Items]          
Interest 4.75% [17],[18],[24],[28] 4.75% [7],[19],[20],[21]      
Interest 9.20% [17],[18],[24],[28] 9.50% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [17],[18],[24],[28] $ 0 [7],[19],[20],[21]      
Cost (5,000) [17],[18],[24],[28] (5,000) [7],[19],[20],[21]      
Fair Value $ 0 [17],[18],[24],[28] $ 0 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[17],[18],[24],[28] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Policy Services Company, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.00% [16],[17],[18] 6.00% [19],[20],[21]      
Interest 10.60% [16],[17],[18] 10.90% [19],[20],[21]      
Investment, interest rate, paid in kind 4.00% [16],[17],[18] 4.00% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 51,455,000 [16],[17],[18] $ 53,465,000 [19],[20],[21]      
Cost 51,037,000 [16],[17],[18] 52,938,000 [19],[20],[21]      
Fair Value $ 51,038,000 [16],[17],[18] $ 52,940,000 [19],[20],[21]      
Percentage of Total Net Assets 4.40% [1],[16],[17],[18] 4.40% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Policy Services Company, LLC, Warrants - Class A          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 2.5582 [10],[18] 2.5582 [11],[21]      
Cost $ 0 [10],[18] $ 0 [11],[21]      
Fair Value $ 1,202,000 [10],[18] $ 1,262,000 [11],[21]      
Percentage of Total Net Assets 0.10% [1],[10],[18] 0.10% [2],[11],[21]      
Investment, Identifier [Axis]: Policy Services Company, LLC, Warrants - Class B          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 0.8634 [10],[18] 0.8634 [11],[21]      
Cost $ 0 [10],[18] $ 0 [11],[21]      
Fair Value $ 406,000 [10],[18] $ 426,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Policy Services Company, LLC, Warrants - Class CC          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 0.0888 [10],[18] 0.0888 [11],[21]      
Cost $ 0 [10],[18] $ 0 [11],[21]      
Fair Value $ 0 [10],[18] $ 0 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Policy Services Company, LLC, Warrants - Class D          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 0.2471 [10],[18] 0.2471 [11],[21]      
Cost $ 0 [10],[18] $ 0 [11],[21]      
Fair Value $ 116,000 [10],[18] $ 122,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Polymer Solutions Group Holdings, LLC, Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 74 [10],[18] 74 [11],[21]      
Cost $ 0 [10],[18] $ 0 [11],[21]      
Fair Value $ 0 [10],[18] $ 0 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Polymer Solutions Group Holdings, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 7.00% [8],[17],[18],[28],[43] 7.00% [9],[20],[21],[29],[44]      
Interest [9],[20],[21],[29],[44]   11.30%      
Investment, interest rate, paid in kind [8],[17],[18],[28],[43] 11.60%        
Investment Owned, Balance, Principal Amount $ 993,000 [8],[17],[18],[28],[43] $ 993,000 [9],[20],[21],[29],[44]      
Cost 993,000 [8],[17],[18],[28],[43] 993,000 [9],[20],[21],[29],[44]      
Fair Value $ 460,000 [8],[17],[18],[28],[43] $ 554,000 [9],[20],[21],[29],[44]      
Percentage of Total Net Assets 0.00% [1],[8],[17],[18],[28],[43] 0.00% [2],[9],[20],[21],[29],[44]      
Investment, Identifier [Axis]: PowerGEM Buyer, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18],[24] 5.00% [7],[19],[20],[21]      
Interest 9.30% [16],[17],[18],[24] 9.50% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 8,112,000 [16],[17],[18],[24] $ 6,827,000 [7],[19],[20],[21]      
Cost 8,063,000 [16],[17],[18],[24] 6,776,000 [7],[19],[20],[21]      
Fair Value $ 8,010,000 [16],[17],[18],[24] $ 6,710,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.70% [1],[16],[17],[18],[24] 0.60% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: PowerGEM Buyer, Inc., Revolver          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18],[24] 5.00% [7],[19],[20],[21]      
Interest 9.30% [16],[17],[18],[24] 9.50% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost (24,000) [16],[17],[18],[24] (25,000) [7],[19],[20],[21]      
Fair Value $ (22,000) [16],[17],[18],[24] $ (26,000) [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Premium Franchise Brands, LLC, First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 6.25% [16],[17],[18] 6.25% [19],[20],[21]      
Interest 10.70% [16],[17],[18] 10.70% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 7,462,000 [16],[17],[18] $ 7,481,000 [19],[20],[21]      
Cost 7,412,000 [16],[17],[18] 7,425,000 [19],[20],[21]      
Fair Value $ 7,387,000 [16],[17],[18] $ 7,377,000 [19],[20],[21]      
Percentage of Total Net Assets 0.60% [1],[16],[17],[18] 0.60% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Premium Franchise Brands, LLC, First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 6.75% [16],[17],[18] 6.75% [19],[20],[21]      
Interest 11.20% [16],[17],[18] 11.20% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 2,731,000 [16],[17],[18] $ 2,738,000 [19],[20],[21]      
Cost 2,671,000 [16],[17],[18] 2,670,000 [19],[20],[21]      
Fair Value $ 2,725,000 [16],[17],[18] $ 2,694,000 [19],[20],[21]      
Percentage of Total Net Assets 0.20% [1],[16],[17],[18] 0.20% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Premium Invest, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.75% [4],[17],[18],[24],[25] 5.75% [6],[7],[20],[21],[26]      
Interest 8.10% [4],[17],[18],[24],[25] 9.10% [6],[7],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 9,128,000 [4],[17],[18],[24],[25] $ 8,750,000 [6],[7],[20],[21],[26]      
Cost 8,887,000 [4],[17],[18],[24],[25] 8,879,000 [6],[7],[20],[21],[26]      
Fair Value $ 9,041,000 [4],[17],[18],[24],[25] $ 8,750,000 [6],[7],[20],[21],[26]      
Percentage of Total Net Assets 0.70% [1],[4],[17],[18],[24],[25] 0.70% [2],[6],[7],[20],[21],[26]      
Investment, Identifier [Axis]: Preqin MC Limited, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [6],[20],[21],[31]   5.00%      
Interest [6],[20],[21],[31]   10.20%      
Investment Owned, Balance, Principal Amount [6],[20],[21],[31]   $ 2,789,000      
Cost [6],[20],[21],[31]   2,740,000      
Fair Value [6],[20],[21],[31]   $ 2,789,000      
Percentage of Total Net Assets [2],[6],[20],[21],[31]   0.20%      
Investment, Identifier [Axis]: Pro-Vision Solutions Holdings, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.50% [17],[18],[28] 4.50% [19],[20],[21]      
Interest 8.80% [17],[18],[28] 8.80% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 7,767,000 [17],[18],[28] $ 7,767,000 [19],[20],[21]      
Cost 7,661,000 [17],[18],[28] 7,656,000 [19],[20],[21]      
Fair Value $ 7,671,000 [17],[18],[28] $ 7,662,000 [19],[20],[21]      
Percentage of Total Net Assets 0.60% [1],[17],[18],[28] 0.60% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Pro-Vision Solutions Holdings, LLC, LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 2,357.5 [10],[18] 2,357.5 [11],[21]      
Cost $ 236,000 [10],[18] $ 236,000 [11],[21]      
Fair Value $ 233,000 [10],[18] $ 249,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Pro-Vision Solutions Holdings, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 4.50% [17],[18],[24],[28] 4.50% [7],[19],[20],[21]      
Interest 8.80% [17],[18],[24],[28] 8.80% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 353,000 [17],[18],[24],[28] $ 0 [7],[19],[20],[21]      
Cost 325,000 [17],[18],[24],[28] (29,000) [7],[19],[20],[21]      
Fair Value $ 327,000 [17],[18],[24],[28] $ (28,000) [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[17],[18],[24],[28] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Process Equipment, Inc. (ProcessBarron), First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.25% [17],[18],[30] 5.25% [20],[21],[31]      
Interest 9.70% [17],[18],[30] 9.80% [20],[21],[31]      
Investment Owned, Balance, Principal Amount $ 5,338,000 [17],[18],[30] $ 5,338,000 [20],[21],[31]      
Cost 5,338,000 [17],[18],[30] 5,335,000 [20],[21],[31]      
Fair Value $ 5,178,000 [17],[18],[30] $ 5,338,000 [20],[21],[31]      
Percentage of Total Net Assets 0.40% [1],[17],[18],[30] 0.40% [2],[20],[21],[31]      
Investment, Identifier [Axis]: Process Insights Acquisition, Inc., Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 281 [10],[18] 281 [11],[21]      
Cost $ 281,000 [10],[18] $ 281,000 [11],[21]      
Fair Value $ 198,000 [10],[18] $ 237,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Process Insights Acquisition, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.25% [16],[17],[18],[24] 6.25% [7],[19],[20],[21]      
Interest 10.60% [16],[17],[18],[24] 10.60% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 5,732,000 [16],[17],[18],[24] $ 5,264,000 [7],[19],[20],[21]      
Cost 5,633,000 [16],[17],[18],[24] 5,157,000 [7],[19],[20],[21]      
Fair Value $ 5,595,000 [16],[17],[18],[24] $ 5,134,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.50% [1],[16],[17],[18],[24] 0.40% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Process Insights Acquisition, Inc., Revolver          
Schedule of Investments [Line Items]          
Interest 6.25% [16],[17],[18],[24] 6.25% [7],[19],[20],[21]      
Interest 10.60% [16],[17],[18],[24] 10.60% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 531,000 [16],[17],[18],[24] $ 910,000 [7],[19],[20],[21]      
Cost 513,000 [16],[17],[18],[24] 891,000 [7],[19],[20],[21]      
Fair Value $ 509,000 [16],[17],[18],[24] $ 889,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.10% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: ProfitOptics, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.75% [17],[18],[28] 5.75% [20],[21],[29]      
Interest 10.20% [17],[18],[28] 10.20% [20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 1,608,000 [17],[18],[28] $ 1,613,000 [20],[21],[29]      
Cost 1,592,000 [17],[18],[28] 1,595,000 [20],[21],[29]      
Fair Value $ 1,608,000 [17],[18],[28] $ 1,613,000 [20],[21],[29]      
Percentage of Total Net Assets 0.10% [1],[17],[18],[28] 0.10% [2],[20],[21],[29]      
Investment, Identifier [Axis]: ProfitOptics, LLC, LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 241,935.48 [10],[18] 241,935.48 [11],[21]      
Cost $ 161,000 [10],[18] $ 161,000 [11],[21]      
Fair Value $ 317,000 [10],[18] $ 198,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: ProfitOptics, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 5.75% [17],[18],[24],[28] 5.75% [7],[20],[21],[29]      
Interest 10.20% [17],[18],[24],[28] 10.20% [7],[20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 242,000 [17],[18],[24],[28] $ 242,000 [7],[20],[21],[29]      
Cost 237,000 [17],[18],[24],[28] 237,000 [7],[20],[21],[29]      
Fair Value $ 242,000 [17],[18],[24],[28] $ 242,000 [7],[20],[21],[29]      
Percentage of Total Net Assets 0.00% [1],[17],[18],[24],[28] 0.00% [2],[7],[20],[21],[29]      
Investment, Identifier [Axis]: ProfitOptics, LLC, Senior Subordinated Term Loan          
Schedule of Investments [Line Items]          
Interest 8.00% [18] 8.00% [21]      
Investment Owned, Balance, Principal Amount $ 81,000 [18] $ 81,000 [21]      
Cost 81,000 [18] 81,000 [21]      
Fair Value $ 76,000 [18] $ 76,000 [21]      
Percentage of Total Net Assets 0.00% [1],[18] 0.00% [2],[21]      
Investment, Identifier [Axis]: Proppants Holding, LLC, LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 1,506,254 [8],[18] 1,506,254 [9],[21]      
Cost $ 0 [8],[18] $ 0 [9],[21]      
Fair Value $ 0 [8],[18] $ 0 [9],[21]      
Percentage of Total Net Assets 0.00% [1],[8],[18] 0.00% [2],[9],[21]      
Investment, Identifier [Axis]: Protego Bidco B.V., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.50% [4],[17],[18],[33] 6.75% [6],[20],[21],[32]      
Interest 8.90% [4],[17],[18],[33] 10.00% [6],[20],[21],[32]      
Investment Owned, Balance, Principal Amount $ 1,764,000 [4],[17],[18],[33] $ 1,691,000 [6],[20],[21],[32]      
Cost 1,890,000 [4],[17],[18],[33] 1,889,000 [6],[20],[21],[32]      
Fair Value $ 1,722,000 [4],[17],[18],[33] $ 1,646,000 [6],[20],[21],[32]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[33] 0.10% [2],[6],[20],[21],[32]      
Investment, Identifier [Axis]: Protego Bidco B.V., Revolver          
Schedule of Investments [Line Items]          
Interest 6.50% [4],[17],[18],[33] 6.50% [6],[20],[21],[32]      
Interest 8.90% [4],[17],[18],[33] 9.70% [6],[20],[21],[32]      
Investment Owned, Balance, Principal Amount $ 2,116,000 [4],[17],[18],[33] $ 2,028,000 [6],[20],[21],[32]      
Cost 2,292,000 [4],[17],[18],[33] 2,290,000 [6],[20],[21],[32]      
Fair Value $ 2,074,000 [4],[17],[18],[33] $ 1,974,000 [6],[20],[21],[32]      
Percentage of Total Net Assets 0.20% [1],[4],[17],[18],[33] 0.20% [2],[6],[20],[21],[32]      
Investment, Identifier [Axis]: QPE7 SPV1 BidCo Pty Ltd, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 3.75% [4],[17],[18],[63] 3.75% [6],[20],[21],[64]      
Interest 7.80% [4],[17],[18],[63] 8.10% [6],[20],[21],[64]      
Investment Owned, Balance, Principal Amount $ 1,718,000 [4],[17],[18],[63] $ 1,707,000 [6],[20],[21],[64]      
Cost 1,977,000 [4],[17],[18],[63] 1,976,000 [6],[20],[21],[64]      
Fair Value $ 1,705,000 [4],[17],[18],[63] $ 1,694,000 [6],[20],[21],[64]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[63] 0.10% [2],[6],[20],[21],[64]      
Investment, Identifier [Axis]: Qualified Industries, LLC, Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 303,030 [10],[18] 303,030 [11],[21]      
Cost $ 3,000 [10],[18] $ 3,000 [11],[21]      
Fair Value $ 73,000 [10],[18] $ 61,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Qualified Industries, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.50% [17],[18],[30] 5.75% [20],[21],[31]      
Interest 10.80% [17],[18],[30] 10.10% [20],[21],[31]      
Investment Owned, Balance, Principal Amount $ 2,612,000 [17],[18],[30] $ 2,619,000 [20],[21],[31]      
Cost 2,564,000 [17],[18],[30] 2,566,000 [20],[21],[31]      
Fair Value $ 2,571,000 [17],[18],[30] $ 2,567,000 [20],[21],[31]      
Percentage of Total Net Assets 0.20% [1],[17],[18],[30] 0.20% [2],[20],[21],[31]      
Investment, Identifier [Axis]: Qualified Industries, LLC, Preferred Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 148 [10],[18] 148 [11],[21]      
Investment, interest rate, paid in kind [11],[21]   12.50%      
Cost $ 144,000 [10],[18] $ 144,000 [11],[21]      
Fair Value $ 180,000 [10],[18] $ 175,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Qualified Industries, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 6.50% [17],[18],[24],[30] 5.75% [7],[20],[21],[31]      
Interest 10.80% [17],[18],[24],[30] 10.10% [7],[20],[21],[31]      
Investment Owned, Balance, Principal Amount $ 0 [17],[18],[24],[30] $ 0 [7],[20],[21],[31]      
Cost (5,000) [17],[18],[24],[30] (5,000) [7],[20],[21],[31]      
Fair Value $ (4,000) [17],[18],[24],[30] $ (5,000) [7],[20],[21],[31]      
Percentage of Total Net Assets 0.00% [1],[17],[18],[24],[30] 0.00% [2],[7],[20],[21],[31]      
Investment, Identifier [Axis]: Questel Unite, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [6],[19],[20],[21]   6.25%      
Interest [6],[19],[20],[21]   10.80%      
Investment Owned, Balance, Principal Amount [6],[19],[20],[21]   $ 7,059,000      
Cost [6],[19],[20],[21]   7,010,000      
Fair Value [6],[19],[20],[21]   $ 7,059,000      
Percentage of Total Net Assets [2],[6],[19],[20],[21]   0.60%      
Investment, Identifier [Axis]: R1 Holdings, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.25% [17],[18],[30] 6.25% [20],[21],[29]      
Interest 10.50% [17],[18],[30] 10.80% [20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 6,095,000 [17],[18],[30] $ 6,111,000 [20],[21],[29]      
Cost 5,966,000 [17],[18],[30] 5,973,000 [20],[21],[29]      
Fair Value $ 6,047,000 [17],[18],[30] $ 6,135,000 [20],[21],[29]      
Percentage of Total Net Assets 0.50% [1],[17],[18],[30] 0.50% [2],[20],[21],[29]      
Investment, Identifier [Axis]: R1 Holdings, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 6.25% [17],[18],[24],[30] 6.25% [7],[20],[21],[29]      
Interest 10.50% [17],[18],[24],[30] 10.80% [7],[20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 817,000 [17],[18],[24],[30] $ 472,000 [7],[20],[21],[29]      
Cost 773,000 [17],[18],[24],[30] 425,000 [7],[20],[21],[29]      
Fair Value $ 801,000 [17],[18],[24],[30] $ 472,000 [7],[20],[21],[29]      
Percentage of Total Net Assets 0.10% [1],[17],[18],[24],[30] 0.00% [2],[7],[20],[21],[29]      
Investment, Identifier [Axis]: RA Outdoors, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.75% [8],[17],[18],[30] 6.75% [9],[19],[20],[21]      
Interest 11.30% [8],[17],[18],[30] 11.70% [9],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 14,136,000 [8],[17],[18],[30] $ 13,764,000 [9],[19],[20],[21]      
Cost 13,877,000 [8],[17],[18],[30] 13,506,000 [9],[19],[20],[21]      
Fair Value $ 13,005,000 [8],[17],[18],[30] $ 12,732,000 [9],[19],[20],[21]      
Percentage of Total Net Assets 1.10% [1],[8],[17],[18],[30] 1.10% [2],[9],[19],[20],[21]      
Investment, Identifier [Axis]: RA Outdoors, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 6.75% [8],[17],[18],[30] 6.75% [9],[19],[20],[21]      
Interest 11.30% [8],[17],[18],[30] 11.70% [9],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 1,352,000 [8],[17],[18],[30] $ 1,316,000 [9],[19],[20],[21]      
Cost 1,352,000 [8],[17],[18],[30] 1,316,000 [9],[19],[20],[21]      
Fair Value $ 1,244,000 [8],[17],[18],[30] $ 1,217,000 [9],[19],[20],[21]      
Percentage of Total Net Assets 0.10% [1],[8],[17],[18],[30] 0.10% [2],[9],[19],[20],[21]      
Investment, Identifier [Axis]: REP SEKO MERGER SUB LLC, Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 1,231 [10],[18] 1,231 [11],[21]      
Cost $ 5,403,000 [10],[18] $ 5,403,000 [11],[21]      
Fair Value $ 3,673,000 [10],[18] $ 4,595,000 [11],[21]      
Percentage of Total Net Assets 0.30% [1],[10],[18] 0.40% [2],[11],[21]      
Investment, Identifier [Axis]: REP SEKO MERGER SUB LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 8.00% [16],[17],[18] 8.00% [19],[20],[21]      
Interest 12.30% [16],[17],[18] 12.50% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 1,013,000 [16],[17],[18] $ 1,015,000 [19],[20],[21]      
Cost 994,000 [16],[17],[18] 995,000 [19],[20],[21]      
Fair Value $ 1,013,000 [16],[17],[18] $ 1,015,000 [19],[20],[21]      
Percentage of Total Net Assets 0.10% [1],[16],[17],[18] 0.10% [2],[19],[20],[21]      
Investment, Identifier [Axis]: REP SEKO MERGER SUB LLC, First Out Term Loan          
Schedule of Investments [Line Items]          
Interest 8.00% [16],[17],[18] 8.00% [19],[20],[21]      
Interest 12.30% [16],[17],[18] 12.50% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 2,571,000 [16],[17],[18] $ 2,577,000 [19],[20],[21]      
Cost 2,571,000 [16],[17],[18] 2,577,000 [19],[20],[21]      
Fair Value $ 2,571,000 [16],[17],[18] $ 2,577,000 [19],[20],[21]      
Percentage of Total Net Assets 0.20% [1],[16],[17],[18] 0.20% [2],[19],[20],[21]      
Investment, Identifier [Axis]: ROI Solutions LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [17],[18],[24],[30] 5.00% [7],[19],[20],[21]      
Interest 9.30% [17],[18],[24],[30] 9.60% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 18,309,000 [17],[18],[24],[30] $ 18,355,000 [7],[19],[20],[21]      
Cost 17,959,000 [17],[18],[24],[30] 17,989,000 [7],[19],[20],[21]      
Fair Value $ 17,991,000 [17],[18],[24],[30] $ 17,973,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 1.50% [1],[17],[18],[24],[30] 1.50% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: ROI Solutions LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 5.00% [17],[18],[24],[30] 5.00% [7],[19],[20],[21]      
Interest 9.30% [17],[18],[24],[30] 9.60% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [17],[18],[24],[30] $ 0 [7],[19],[20],[21]      
Cost (50,000) [17],[18],[24],[30] (52,000) [7],[19],[20],[21]      
Fair Value $ (46,000) [17],[18],[24],[30] $ (55,000) [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[17],[18],[24],[30] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: RPX Corporation, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.25% [17],[18],[28] 5.50% [19],[20],[21]      
Interest 9.60% [17],[18],[28] 10.60% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 21,866,000 [17],[18],[28] $ 21,921,000 [19],[20],[21]      
Cost 21,564,000 [17],[18],[28] 21,608,000 [19],[20],[21]      
Fair Value $ 21,610,000 [17],[18],[28] $ 21,638,000 [19],[20],[21]      
Percentage of Total Net Assets 1.80% [1],[17],[18],[28] 1.80% [2],[19],[20],[21]      
Investment, Identifier [Axis]: RPX Corporation, Revolver          
Schedule of Investments [Line Items]          
Interest 5.25% [17],[18],[24],[28] 5.50% [7],[19],[20],[21]      
Interest 9.60% [17],[18],[24],[28] 10.60% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [17],[18],[24],[28] $ 0 [7],[19],[20],[21]      
Cost (40,000) [17],[18],[24],[28] (42,000) [7],[19],[20],[21]      
Fair Value $ (35,000) [17],[18],[24],[28] $ (39,000) [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[17],[18],[24],[28] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: RTIC Subsidiary Holdings, LLC, Class A Preferred Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 145.347 [8],[10],[18] 145.347 [9],[11],[21]      
Cost $ 4,000 [8],[10],[18] $ 4,000 [9],[11],[21]      
Fair Value $ 0 [8],[10],[18] $ 0 [9],[11],[21]      
Percentage of Total Net Assets 0.00% [1],[8],[10],[18] 0.00% [2],[9],[11],[21]      
Investment, Identifier [Axis]: RTIC Subsidiary Holdings, LLC, Class B Preferred Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 145.347 [8],[10],[18] 145.347 [9],[11],[21]      
Cost $ 0 [8],[10],[18] $ 0 [9],[11],[21]      
Fair Value $ 0 [8],[10],[18] $ 0 [9],[11],[21]      
Percentage of Total Net Assets 0.00% [1],[8],[10],[18] 0.00% [2],[9],[11],[21]      
Investment, Identifier [Axis]: RTIC Subsidiary Holdings, LLC, Class C Preferred Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 7,844.03 [8],[10],[18] 7,844.03 [9],[11],[21]      
Cost $ 450,000 [8],[10],[18] $ 450,000 [9],[11],[21]      
Fair Value $ 52,000 [8],[10],[18] $ 57,000 [9],[11],[21]      
Percentage of Total Net Assets 0.00% [1],[8],[10],[18] 0.00% [2],[9],[11],[21]      
Investment, Identifier [Axis]: RTIC Subsidiary Holdings, LLC, Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 153 [8],[10],[18] 153 [9],[11],[21]      
Cost $ 0 [8],[10],[18] $ 0 [9],[11],[21]      
Fair Value $ 0 [8],[10],[18] $ 0 [9],[11],[21]      
Percentage of Total Net Assets 0.00% [1],[8],[10],[18] 0.00% [2],[9],[11],[21]      
Investment, Identifier [Axis]: Randys Holdings, Inc., Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) [10],[18] 5,333        
Cost [10],[18] $ 533,000        
Fair Value [10],[18] $ 671,000        
Percentage of Total Net Assets [1],[10],[18] 0.10%        
Investment, Identifier [Axis]: Randys Holdings, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18],[24] 6.25% [7],[19],[20],[21]      
Interest 9.30% [16],[17],[18],[24] 11.20% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 11,929,000 [16],[17],[18],[24] $ 11,019,000 [7],[19],[20],[21]      
Cost 11,662,000 [16],[17],[18],[24] 10,758,000 [7],[19],[20],[21]      
Fair Value $ 11,850,000 [16],[17],[18],[24] $ 10,873,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 1.00% [1],[16],[17],[18],[24] 0.90% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Randys Holdings, Inc., Partnership Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) [11],[21]   5,333      
Cost [11],[21]   $ 533,000      
Fair Value [11],[21]   $ 622,000      
Percentage of Total Net Assets [2],[11],[21]   0.10%      
Investment, Identifier [Axis]: Randys Holdings, Inc., Revolver          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18],[24] 6.25% [7],[19],[20],[21]      
Interest 9.30% [16],[17],[18],[24] 11.20% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 820,000 [16],[17],[18],[24] $ 633,000 [7],[19],[20],[21]      
Cost 783,000 [16],[17],[18],[24] 597,000 [7],[19],[20],[21]      
Fair Value $ 809,000 [16],[17],[18],[24] $ 613,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.10% [1],[16],[17],[18],[24] 0.10% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Rapid Buyer LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.75% [16],[17],[18],[24] 4.75% [7],[20],[21],[31]      
Interest 9.00% [16],[17],[18],[24] 9.40% [7],[20],[21],[31]      
Investment Owned, Balance, Principal Amount $ 5,439,000 [16],[17],[18],[24] $ 5,439,000 [7],[20],[21],[31]      
Cost 5,331,000 [16],[17],[18],[24] 5,321,000 [7],[20],[21],[31]      
Fair Value $ 5,332,000 [16],[17],[18],[24] $ 5,313,000 [7],[20],[21],[31]      
Percentage of Total Net Assets 0.40% [1],[16],[17],[18],[24] 0.40% [2],[7],[20],[21],[31]      
Investment, Identifier [Axis]: Rapid Buyer LLC, LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 533 [10],[18] 533 [11],[21]      
Cost $ 533,000 [10],[18] $ 533,000 [11],[21]      
Fair Value $ 536,000 [10],[18] $ 533,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Rapid Buyer LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 4.75% [16],[17],[18],[24] 4.75% [7],[19],[20],[21]      
Interest 9.00% [16],[17],[18],[24] 9.40% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost (19,000) [16],[17],[18],[24] (21,000) [7],[19],[20],[21]      
Fair Value $ (19,000) [16],[17],[18],[24] $ (22,000) [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Recovery Point Systems, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.00% [16],[17],[18] 6.00% [19],[20],[21]      
Interest 10.40% [16],[17],[18] 10.70% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 11,265,000 [16],[17],[18] $ 11,294,000 [19],[20],[21]      
Cost 11,212,000 [16],[17],[18] 11,232,000 [19],[20],[21]      
Fair Value $ 11,265,000 [16],[17],[18] $ 11,294,000 [19],[20],[21]      
Percentage of Total Net Assets 0.90% [1],[16],[17],[18] 0.90% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Recovery Point Systems, Inc., Partnership Equity          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 187,235 [10],[18] 187,235 [11],[21]      
Cost $ 187,000 [10],[18] $ 187,000 [11],[21]      
Fair Value $ 82,000 [10],[18] $ 81,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Renovation Parent Holdings, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.50% [16],[17],[18] 5.50% [19],[20],[21]      
Interest 9.90% [16],[17],[18] 10.10% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 4,697,000 [16],[17],[18] $ 4,709,000 [19],[20],[21]      
Cost 4,644,000 [16],[17],[18] 4,651,000 [19],[20],[21]      
Fair Value $ 4,363,000 [16],[17],[18] $ 4,308,000 [19],[20],[21]      
Percentage of Total Net Assets 0.40% [1],[16],[17],[18] 0.40% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Renovation Parent Holdings, LLC, Partnership Equity          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 202,393.6 [10],[18] 202,393.6 [11],[21]      
Cost $ 202,000 [10],[18] $ 202,000 [11],[21]      
Fair Value $ 95,000 [10],[18] $ 85,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Resolute Investment Managers, Inc., Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 38,571 [8],[10],[18] 38,571 [9],[11],[21]      
Cost $ 0 [8],[10],[18] $ 0 [9],[11],[21]      
Fair Value $ 0 [8],[10],[18] $ 98,000 [9],[11],[21]      
Percentage of Total Net Assets 0.00% [1],[8],[10],[18] 0.00% [2],[9],[11],[21]      
Investment, Identifier [Axis]: Rhondda Financing No. 1 DAC, Structured - Junior Note          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount [6],[7],[21]   $ 25,868,000      
Cost [6],[7],[21]   25,713,000      
Fair Value [6],[7],[21]   $ 26,044,000      
Percentage of Total Net Assets [2],[6],[7],[21]   2.20%      
Investment, Identifier [Axis]: Riedel Beheer B.V., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.25% [4],[17],[18],[25] 6.25% [6],[20],[21],[26]      
Interest 8.60% [4],[17],[18],[25] 9.60% [6],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 2,240,000 [4],[17],[18],[25] $ 2,147,000 [6],[20],[21],[26]      
Cost 2,267,000 [4],[17],[18],[25] 2,265,000 [6],[20],[21],[26]      
Fair Value $ 1,942,000 [4],[17],[18],[25] $ 1,963,000 [6],[20],[21],[26]      
Percentage of Total Net Assets 0.20% [1],[4],[17],[18],[25] 0.20% [2],[6],[20],[21],[26]      
Investment, Identifier [Axis]: Rocade Holdings LLC, Common LP Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 23.8 [10],[18],[53] 23.8 [11],[21],[54]      
Cost $ 0 [10],[18] $ 0 [11],[21]      
Fair Value $ 490,000 [10],[18],[53] $ 243,000 [11],[21],[54] 844,000 [54]    
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Rocade Holdings LLC, Preferred LP Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 71,000 [16],[18],[24],[53] 71,000 [7],[19],[21],[54]      
Interest 6.00% [16],[18],[24],[53] 6.00% [7],[19],[21],[54]      
Investment, interest rate, paid in kind 10.40% [16],[18],[24],[53] 10.30% [7],[19],[21],[54]      
Cost $ 85,102,000 [16],[18],[24] $ 82,989,000 [7],[19],[21]      
Fair Value $ 85,101,000 [16],[18],[24],[53] $ 83,000,000 [7],[19],[21],[53] 73,113,000 [54]    
Percentage of Total Net Assets 7.20% [1],[16],[18],[24] 7.00% [2],[7],[19],[21]      
Investment, Identifier [Axis]: Rock Labor LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.50% [17],[18],[28] 5.50% [19],[20],[21]      
Interest 9.80% [17],[18],[28] 10.70% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 6,521,000 [17],[18],[28] $ 6,537,000 [19],[20],[21]      
Cost 6,362,000 [17],[18],[28] 6,372,000 [19],[20],[21]      
Fair Value $ 6,436,000 [17],[18],[28] $ 6,426,000 [19],[20],[21]      
Percentage of Total Net Assets 0.50% [1],[17],[18],[28] 0.50% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Rock Labor LLC, LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 233,871 [18] 233,871 [21]      
Cost $ 1,252,000 [18] $ 1,252,000 [21]      
Fair Value $ 1,202,000 [18] $ 1,127,000 [21]      
Percentage of Total Net Assets 0.10% [1],[18] 0.10% [2],[21]      
Investment, Identifier [Axis]: Rock Labor LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 5.50% [16],[17],[18],[24] 5.50% [7],[19],[20],[21]      
Interest 9.80% [16],[17],[18],[24] 10.70% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost (25,000) [16],[17],[18],[24] (26,000) [7],[19],[20],[21]      
Fair Value $ (14,000) [16],[17],[18],[24] $ (19,000) [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Royal Buyer, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.50% [16],[17],[18] 5.50% [19],[20],[21]      
Interest 9.80% [16],[17],[18] 10.00% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 8,084,000 [16],[17],[18] $ 8,106,000 [19],[20],[21]      
Cost 7,990,000 [16],[17],[18] 8,006,000 [19],[20],[21]      
Fair Value $ 8,084,000 [16],[17],[18] $ 8,098,000 [19],[20],[21]      
Percentage of Total Net Assets 0.70% [1],[16],[17],[18] 0.70% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Royal Buyer, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 5.50% [16],[17],[18],[24] 5.50% [7],[19],[20],[21]      
Interest 9.80% [16],[17],[18],[24] 10.00% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost (20,000) [16],[17],[18],[24] (22,000) [7],[19],[20],[21]      
Fair Value $ 0 [16],[17],[18],[24] $ (2,000) [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Ruffalo Noel Levitz, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.00% [16],[17],[18],[43] 2.25% [19],[20],[21]      
Interest [19],[20],[21]   7.00%      
Investment, interest rate, paid in kind 10.90% [16],[17],[18],[43] 4.30% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 9,944,000 [16],[17],[18],[43] $ 9,944,000 [19],[20],[21]      
Cost 9,937,000 [16],[17],[18],[43] 9,931,000 [19],[20],[21]      
Fair Value $ 4,405,000 [16],[17],[18],[43] $ 6,792,000 [19],[20],[21]      
Percentage of Total Net Assets 0.40% [1],[16],[17],[18],[43] 0.60% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Russell Investments US Institutional Holdco, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18] 5.00% [19],[20],[21]      
Interest 7.80% [16],[17],[18] 8.20% [19],[20],[21]      
Investment, interest rate, paid in kind 1.50% [16],[17],[18] 1.50% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 522,000 [16],[17],[18] $ 523,000 [19],[20],[21]      
Cost 491,000 [16],[17],[18] 491,000 [19],[20],[21]      
Fair Value $ 512,000 [16],[17],[18] $ 508,000 [19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18] 0.00% [2],[19],[20],[21]      
Investment, Identifier [Axis]: SBP Holdings LP, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [17],[18],[24],[28] 5.00% [7],[20],[21],[29]      
Interest 9.30% [17],[18],[24],[28] 9.60% [7],[20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 8,694,000 [17],[18],[24],[28] $ 8,717,000 [7],[20],[21],[29]      
Cost 8,444,000 [17],[18],[24],[28] 8,445,000 [7],[20],[21],[29]      
Fair Value $ 8,640,000 [17],[18],[24],[28] $ 8,648,000 [7],[20],[21],[29]      
Percentage of Total Net Assets 0.70% [1],[17],[18],[24],[28] 0.70% [2],[7],[20],[21],[29]      
Investment, Identifier [Axis]: SBP Holdings LP, Revolver          
Schedule of Investments [Line Items]          
Interest 5.00% [17],[18],[24],[28] 5.00% [7],[19],[20],[21]      
Interest 9.30% [17],[18],[24],[28] 9.60% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [17],[18],[24],[28] $ 0 [7],[19],[20],[21]      
Cost (41,000) [17],[18],[24],[28] (44,000) [7],[19],[20],[21]      
Fair Value $ (11,000) [17],[18],[24],[28] $ (13,000) [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[17],[18],[24],[28] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: SISU ACQUISITIONCO., INC., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.75% [16],[17],[18] 5.75% [7],[19],[20],[21]      
Interest 10.20% [16],[17],[18] 10.50% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 7,277,000 [16],[17],[18] $ 7,296,000 [7],[19],[20],[21]      
Cost 7,229,000 [16],[17],[18] 7,236,000 [7],[19],[20],[21]      
Fair Value $ 6,657,000 [16],[17],[18] $ 6,591,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.60% [1],[16],[17],[18] 0.60% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: SPATCO Energy Solutions, LLC, Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 274,229 [10],[18] 274,229 [11],[21]      
Cost $ 274,000 [10],[18] $ 274,000 [11],[21]      
Fair Value $ 274,000 [10],[18] $ 280,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: SPATCO Energy Solutions, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18],[24] 5.00% [7],[19],[20],[21]      
Interest 9.30% [16],[17],[18],[24] 9.60% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 7,105,000 [16],[17],[18],[24] $ 7,123,000 [7],[19],[20],[21]      
Cost 6,950,000 [16],[17],[18],[24] 6,962,000 [7],[19],[20],[21]      
Fair Value $ 6,973,000 [16],[17],[18],[24] $ 6,990,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.60% [1],[16],[17],[18],[24] 0.60% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: SPATCO Energy Solutions, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18],[24] 5.00% [7],[19],[20],[21]      
Interest 9.30% [16],[17],[18],[24] 9.60% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost (21,000) [16],[17],[18],[24] (22,000) [7],[19],[20],[21]      
Fair Value $ (18,000) [16],[17],[18],[24] $ (18,000) [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: SSCP Pegasus Midco Limited, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.00% [4],[17],[18],[24],[35] 6.00% [6],[7],[20],[21],[34]      
Interest 10.60% [4],[17],[18],[24],[35] 10.70% [6],[7],[20],[21],[34]      
Investment Owned, Balance, Principal Amount $ 6,286,000 [4],[17],[18],[24],[35] $ 4,368,000 [6],[7],[20],[21],[34]      
Cost 6,218,000 [4],[17],[18],[24],[35] 4,489,000 [6],[7],[20],[21],[34]      
Fair Value $ 6,286,000 [4],[17],[18],[24],[35] $ 4,368,000 [6],[7],[20],[21],[34]      
Percentage of Total Net Assets 0.50% [1],[4],[17],[18],[24],[35] 0.40% [2],[6],[7],[20],[21],[34]      
Investment, Identifier [Axis]: SSCP Spring Bidco 3 Limited, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.45% [4],[17],[18],[36] 6.45% [6],[20],[21],[37]      
Interest 11.20% [4],[17],[18],[36] 11.20% [6],[20],[21],[37]      
Investment Owned, Balance, Principal Amount $ 989,000 [4],[17],[18],[36] $ 959,000 [6],[20],[21],[37]      
Cost 936,000 [4],[17],[18],[36] 935,000 [6],[20],[21],[37]      
Fair Value $ 972,000 [4],[17],[18],[36] $ 941,000 [6],[20],[21],[37]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[36] 0.10% [2],[6],[20],[21],[37]      
Investment, Identifier [Axis]: SVI International LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.75% [16],[17],[18],[24] 6.75% [7],[19],[20],[21]      
Interest 11.00% [16],[17],[18],[24] 11.30% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 588,000 [16],[17],[18],[24] $ 589,000 [7],[19],[20],[21]      
Cost 576,000 [16],[17],[18],[24] 577,000 [7],[19],[20],[21]      
Fair Value $ 588,000 [16],[17],[18],[24] $ 583,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: SVI International LLC, LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 207,921 [18] 207,921 [21]      
Cost $ 208,000 [18] $ 208,000 [21]      
Fair Value $ 283,000 [18] $ 277,000 [21]      
Percentage of Total Net Assets 0.00% [1],[18] 0.00% [2],[21]      
Investment, Identifier [Axis]: SVI International LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 6.75% [16],[17],[18],[24] 6.75% [7],[19],[20],[21]      
Interest 11.00% [16],[17],[18],[24] 11.30% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost (1,000) [16],[17],[18],[24] (1,000) [7],[19],[20],[21]      
Fair Value $ 0 [16],[17],[18],[24] $ (1,000) [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Saab Purchaser, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18],[24] 5.00% [7],[19],[20],[21]      
Interest 9.30% [16],[17],[18],[24] 9.50% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 17,819,000 [16],[17],[18],[24] $ 17,819,000 [7],[19],[20],[21]      
Cost 17,603,000 [16],[17],[18],[24] 17,596,000 [7],[19],[20],[21]      
Fair Value $ 17,622,000 [16],[17],[18],[24] $ 17,592,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 1.50% [1],[16],[17],[18],[24] 1.50% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Saab Purchaser, Inc., Revolver          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18],[24] 5.00% [7],[19],[20],[21]      
Interest 9.30% [16],[17],[18],[24] 9.50% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost (23,000) [16],[17],[18],[24] (23,000) [7],[19],[20],[21]      
Fair Value $ (21,000) [16],[17],[18],[24] $ (24,000) [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Safety Products Holdings, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18] 5.00% [19],[20],[21]      
Interest 9.30% [16],[17],[18] 9.50% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 14,774,000 [16],[17],[18] $ 14,812,000 [19],[20],[21]      
Cost 14,689,000 [16],[17],[18] 14,716,000 [19],[20],[21]      
Fair Value $ 14,775,000 [16],[17],[18] $ 14,812,000 [19],[20],[21]      
Percentage of Total Net Assets 1.20% [1],[16],[17],[18] 1.20% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Safety Products Holdings, LLC, Preferred Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 378.7 [10],[18] 378.7 [11],[21]      
Cost $ 380,000 [10],[18] $ 380,000 [11],[21]      
Fair Value $ 527,000 [10],[18] $ 537,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Sanoptis S.A.R.L., First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 5.75% [4],[17],[18],[24],[33] 5.75% [6],[7],[20],[21],[32]      
Interest 8.80% [4],[17],[18],[24],[33] 8.80% [6],[7],[20],[21],[32]      
Investment Owned, Balance, Principal Amount $ 4,009,000 [4],[17],[18],[24],[33] $ 3,843,000 [6],[7],[20],[21],[32]      
Cost 3,721,000 [4],[17],[18],[24],[33] 3,711,000 [6],[7],[20],[21],[32]      
Fair Value $ 3,866,000 [4],[17],[18],[24],[33] $ 3,692,000 [6],[7],[20],[21],[32]      
Percentage of Total Net Assets 0.30% [1],[4],[17],[18],[24],[33] 0.30% [2],[6],[7],[20],[21],[32]      
Investment, Identifier [Axis]: Sanoptis S.A.R.L., First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 5.75% [4],[17],[18],[65] 5.75% [6],[20],[21],[58]      
Interest 6.20% [4],[17],[18],[65] 7.00% [6],[20],[21],[58]      
Investment Owned, Balance, Principal Amount $ 2,975,000 [4],[17],[18],[65] $ 2,857,000 [6],[20],[21],[58]      
Cost 2,781,000 [4],[17],[18],[65] 2,730,000 [6],[20],[21],[58]      
Fair Value $ 2,910,000 [4],[17],[18],[65] $ 2,788,000 [6],[20],[21],[58]      
Percentage of Total Net Assets 0.20% [1],[4],[17],[18],[65] 0.20% [2],[6],[20],[21],[58]      
Investment, Identifier [Axis]: Sanoptis S.A.R.L., First Lien Senior Secured Term Loan 3          
Schedule of Investments [Line Items]          
Interest [6],[20],[21],[58]   6.75%      
Interest [6],[20],[21],[58]   8.00%      
Investment Owned, Balance, Principal Amount [6],[20],[21],[58]   $ 47,000      
Cost [6],[20],[21],[58]   49,000      
Fair Value [6],[20],[21],[58]   $ 46,000      
Percentage of Total Net Assets [2],[6],[20],[21],[58]   0.00%      
Investment, Identifier [Axis]: Sansidor BV, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.25% [4],[17],[18],[24],[25] 5.25% [6],[7],[20],[21],[26]      
Interest 7.60% [4],[17],[18],[24],[25] 8.60% [6],[7],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 710,000 [4],[17],[18],[24],[25] $ 554,000 [6],[7],[20],[21],[26]      
Cost 714,000 [4],[17],[18],[24],[25] 576,000 [6],[7],[20],[21],[26]      
Fair Value $ 691,000 [4],[17],[18],[24],[25] $ 534,000 [6],[7],[20],[21],[26]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[24],[25] 0.00% [2],[6],[7],[20],[21],[26]      
Investment, Identifier [Axis]: Scaled Agile, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.50% [16],[17],[18] 5.50% [19],[20],[21]      
Interest 9.90% [16],[17],[18] 10.20% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 1,779,000 [16],[17],[18] $ 1,784,000 [19],[20],[21]      
Cost 1,761,000 [16],[17],[18] 1,764,000 [19],[20],[21]      
Fair Value $ 1,541,000 [16],[17],[18] $ 1,605,000 [19],[20],[21]      
Percentage of Total Net Assets 0.10% [1],[16],[17],[18] 0.10% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Scaled Agile, Inc., Revolver          
Schedule of Investments [Line Items]          
Interest 5.50% [16],[17],[18] 5.50% [19],[20],[21]      
Interest 9.90% [16],[17],[18] 10.20% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 336,000 [16],[17],[18] $ 336,000 [19],[20],[21]      
Cost 332,000 [16],[17],[18] 332,000 [19],[20],[21]      
Fair Value $ 291,000 [16],[17],[18] $ 302,000 [19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18] 0.00% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Scout Bidco B.V., First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 5.75% [4],[17],[18],[25] 5.50% [6],[20],[21],[26]      
Interest 8.20% [4],[17],[18],[25] 8.40% [6],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 3,451,000 [4],[17],[18],[25] $ 3,308,000 [6],[20],[21],[26]      
Cost 3,364,000 [4],[17],[18],[25] 3,361,000 [6],[20],[21],[26]      
Fair Value $ 3,447,000 [4],[17],[18],[25] $ 3,297,000 [6],[20],[21],[26]      
Percentage of Total Net Assets 0.30% [1],[4],[17],[18],[25] 0.30% [2],[6],[20],[21],[26]      
Investment, Identifier [Axis]: Scout Bidco B.V., First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 5.75% [4],[16],[17],[18] 5.57% [6],[19],[20],[21]      
Interest 10.10% [4],[16],[17],[18] 10.10% [6],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 443,000 [4],[16],[17],[18] $ 443,000 [6],[19],[20],[21]      
Cost 443,000 [4],[16],[17],[18] 443,000 [6],[19],[20],[21]      
Fair Value $ 442,000 [4],[16],[17],[18] $ 442,000 [6],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[4],[16],[17],[18] 0.00% [2],[6],[19],[20],[21]      
Investment, Identifier [Axis]: Scout Bidco B.V., Revolver          
Schedule of Investments [Line Items]          
Interest 5.75% [4],[17],[18],[24],[25] 5.50% [6],[7],[20],[21],[26]      
Interest 8.20% [4],[17],[18],[24],[25] 8.40% [6],[7],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 0 [4],[17],[18],[24],[25] $ 0 [6],[7],[20],[21],[26]      
Cost (4,000) [4],[17],[18],[24],[25] (5,000) [6],[7],[20],[21],[26]      
Fair Value $ (12,000) [4],[17],[18],[24],[25] $ (14,000) [6],[7],[20],[21],[26]      
Percentage of Total Net Assets 0.00% [1],[4],[17],[18],[24],[25] 0.00% [2],[6],[7],[20],[21],[26]      
Investment, Identifier [Axis]: Security Holdings B.V, Bridge Loan          
Schedule of Investments [Line Items]          
Investment, interest rate, paid in kind 5.00% [46] 5.00% [47]      
Fair Value $ 6,655,000 [46] $ 6,655,000 [47] 6,328,000 [47]    
Investment, Identifier [Axis]: Security Holdings B.V, Common Stock Series A          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 17,100 [46] 17,100 [47]      
Fair Value $ 449,000 [46] $ 399,000 [47] 311,000 [47]    
Investment, Identifier [Axis]: Security Holdings B.V, Common Stock Series B          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 1,236 [46] 1,236 [47]      
Fair Value $ 41,995,000 [46] $ 37,296,000 [47] 29,080,000 [47]    
Investment, Identifier [Axis]: Security Holdings B.V, Revolver          
Schedule of Investments [Line Items]          
Interest [47]   6.00%      
Investment, interest rate, paid in kind [46] 6.00%        
Fair Value $ 5,725,000 [46] $ 5,333,000 [47] 3,866,000 [47]    
Investment, Identifier [Axis]: Security Holdings B.V, Senior Subordinated Term Loan          
Schedule of Investments [Line Items]          
Investment, interest rate, paid in kind 3.10% [46] 3.10% [47]      
Fair Value $ 11,345,000 [46] $ 11,191,000 [47] 10,867,000 [47]    
Investment, Identifier [Axis]: Security Holdings B.V, Senior Unsecured Term Loan          
Schedule of Investments [Line Items]          
Interest [47]   6.00%      
Investment, interest rate, paid in kind 9.00% [46] 9.00% [47]      
Fair Value $ 2,500,000 [46] $ 2,293,000 [47] 2,236,000 [47]    
Investment, Identifier [Axis]: Security Holdings B.V., Bridge Loan          
Schedule of Investments [Line Items]          
Investment, interest rate, paid in kind 5.00% [4],[18],[60] 5.00% [6],[21],[59]      
Investment Owned, Balance, Principal Amount $ 6,655,000 [4],[18],[60] $ 6,655,000 [6],[21],[59]      
Cost 6,655,000 [4],[18],[60] 6,655,000 [6],[21],[59]      
Fair Value $ 6,655,000 [4],[18],[60] $ 6,655,000 [6],[21],[59]      
Percentage of Total Net Assets 0.60% [1],[4],[18],[60] 0.60% [2],[6],[21],[59]      
Investment, Identifier [Axis]: Security Holdings B.V., Common Stock Series A          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 17,100 [4],[10],[18],[60] 17,100 [6],[11],[21],[59]      
Cost $ 560,000 [4],[10],[18],[60] $ 560,000 [6],[11],[21],[59]      
Fair Value $ 449,000 [4],[10],[18],[60] $ 399,000 [6],[11],[21],[59]      
Percentage of Total Net Assets 0.00% [1],[4],[10],[18],[60] 0.00% [2],[6],[11],[21],[59]      
Investment, Identifier [Axis]: Security Holdings B.V., Common Stock Series B          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 1,236 [4],[10],[18],[60] 1,236 [6],[11],[21],[59]      
Cost $ 35,192,000 [4],[10],[18],[60] $ 35,192,000 [6],[11],[21],[59]      
Fair Value $ 41,995,000 [4],[10],[18],[60] $ 37,296,000 [6],[11],[21],[59]      
Percentage of Total Net Assets 3.50% [1],[4],[10],[18],[60] 3.10% [2],[6],[11],[21],[59]      
Investment, Identifier [Axis]: Security Holdings B.V., Revolver          
Schedule of Investments [Line Items]          
Interest [6],[7],[21],[59]   6.00%      
Investment, interest rate, paid in kind [4],[18],[24],[60] 6.00%        
Investment Owned, Balance, Principal Amount $ 5,725,000 [4],[18],[24],[60] $ 5,333,000 [6],[7],[21],[59]      
Cost 5,814,000 [4],[18],[24],[60] 5,650,000 [6],[7],[21],[59]      
Fair Value $ 5,725,000 [4],[18],[24],[60] $ 5,333,000 [6],[7],[21],[59]      
Percentage of Total Net Assets 0.50% [1],[4],[18],[24],[60] 0.40% [2],[6],[7],[21],[59]      
Investment, Identifier [Axis]: Security Holdings B.V., Senior Subordinated Term Loan          
Schedule of Investments [Line Items]          
Investment, interest rate, paid in kind 3.10% [4],[18],[60] 3.10% [6],[21],[59]      
Investment Owned, Balance, Principal Amount $ 11,345,000 [4],[18],[60] $ 11,191,000 [6],[21],[59]      
Cost 11,345,000 [4],[18],[60] 11,191,000 [6],[21],[59]      
Fair Value $ 11,345,000 [4],[18],[60] $ 11,191,000 [6],[21],[59]      
Percentage of Total Net Assets 1.00% [1],[4],[18],[60] 0.90% [2],[6],[21],[59]      
Investment, Identifier [Axis]: Security Holdings B.V., Senior Unsecured Term Loan          
Schedule of Investments [Line Items]          
Interest [6],[21],[59]   6.00%      
Investment, interest rate, paid in kind 9.00% [4],[18],[24],[60] 9.00% [6],[21],[59]      
Investment Owned, Balance, Principal Amount $ 2,500,000 [4],[18],[24],[60] $ 2,293,000 [6],[21],[59]      
Cost 2,635,000 [4],[18],[24],[60] 2,526,000 [6],[21],[59]      
Fair Value $ 2,500,000 [4],[18],[24],[60] $ 2,293,000 [6],[21],[59]      
Percentage of Total Net Assets 0.20% [1],[4],[18],[24],[60] 0.20% [2],[6],[21],[59]      
Investment, Identifier [Axis]: Selenium Designated Activity Company, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [4],[17],[18],[33] 5.13%        
Interest [4],[17],[18],[33] 7.50%        
Investment Owned, Balance, Principal Amount [4],[17],[18],[33] $ 7,728,000        
Cost [4],[17],[18],[33] 7,571,000        
Fair Value [4],[17],[18],[33] $ 7,574,000        
Percentage of Total Net Assets [1],[4],[17],[18],[33] 0.60%        
Investment, Identifier [Axis]: Sereni Capital NV, First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 6.00% [4],[17],[18],[40] 6.00% [6],[20],[21],[32]      
Interest 8.40% [4],[17],[18],[40] 8.70% [6],[20],[21],[32]      
Investment Owned, Balance, Principal Amount $ 968,000 [4],[17],[18],[40] $ 928,000 [6],[20],[21],[32]      
Cost 927,000 [4],[17],[18],[40] 926,000 [6],[20],[21],[32]      
Fair Value $ 943,000 [4],[17],[18],[40] $ 903,000 [6],[20],[21],[32]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[40] 0.10% [2],[6],[20],[21],[32]      
Investment, Identifier [Axis]: Sereni Capital NV, First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 6.75% [4],[17],[18],[40] 6.75% [6],[20],[21],[32]      
Interest 9.10% [4],[17],[18],[40] 9.70% [6],[20],[21],[32]      
Investment Owned, Balance, Principal Amount $ 1,590,000 [4],[17],[18],[40] $ 1,524,000 [6],[20],[21],[32]      
Cost 1,566,000 [4],[17],[18],[40] 1,564,000 [6],[20],[21],[32]      
Fair Value $ 1,588,000 [4],[17],[18],[40] $ 1,524,000 [6],[20],[21],[32]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[40] 0.10% [2],[6],[20],[21],[32]      
Investment, Identifier [Axis]: Serta Simmons Bedding LLC, Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 109,127 [10] 109,127 [11]      
Cost $ 1,630,000 [10] $ 1,630,000 [11]      
Fair Value $ 906,000 [10] $ 655,000 [11]      
Percentage of Total Net Assets 0.10% [1],[10] 0.10% [2],[11]      
Investment, Identifier [Axis]: Shelf Bidco Ltd, Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 1,200,000 [4],[18] 1,200,000 [6],[21]      
Cost $ 1,200,000 [4],[18] $ 1,200,000 [6],[21]      
Fair Value $ 4,632,000 [4],[18] $ 4,668,000 [6],[21]      
Percentage of Total Net Assets 0.40% [1],[4],[18] 0.40% [2],[6],[21]      
Investment, Identifier [Axis]: Shelf Bidco Ltd, Second Out Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [4],[16],[17],[18] 5.00% [6],[19],[20],[21]      
Interest 9.30% [4],[16],[17],[18] 9.60% [6],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 12,183,000 [4],[16],[17],[18] $ 12,214,000 [6],[19],[20],[21]      
Cost 12,124,000 [4],[16],[17],[18] 12,154,000 [6],[19],[20],[21]      
Fair Value $ 12,127,000 [4],[16],[17],[18] $ 12,153,000 [6],[19],[20],[21]      
Percentage of Total Net Assets 1.00% [1],[4],[16],[17],[18] 1.00% [2],[6],[19],[20],[21]      
Investment, Identifier [Axis]: Sierra Senior Loan Strategy JV I LLC, Member Interest          
Schedule of Investments [Line Items]          
Cost [5],[6],[9]   $ 48,441,000      
Fair Value [5],[6],[9]   $ 41,453,000      
Percentage of Total Net Assets [2],[5],[6],[9]   3.50%      
Investment, Identifier [Axis]: Sierra Senior Loan Strategy JV I LLC, Member Interest          
Schedule of Investments [Line Items]          
Cost [3],[4],[8] $ 48,441,000        
Fair Value $ 40,548,000 [3],[4],[8] $ 41,453,000 39,172,000    
Percentage of Total Net Assets [1],[3],[4],[8] 3.40%        
Investment, Identifier [Axis]: Sinari Invest, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.00% [4],[17],[18],[24],[33] 6.00% [6],[7],[20],[21],[32]      
Interest 9.30% [4],[17],[18],[24],[33] 9.30% [6],[7],[20],[21],[32]      
Investment Owned, Balance, Principal Amount $ 1,974,000 [4],[17],[18],[24],[33] $ 1,892,000 [6],[7],[20],[21],[32]      
Cost 1,945,000 [4],[17],[18],[24],[33] 1,943,000 [6],[7],[20],[21],[32]      
Fair Value $ 1,969,000 [4],[17],[18],[24],[33] $ 1,858,000 [6],[7],[20],[21],[32]      
Percentage of Total Net Assets 0.20% [1],[4],[17],[18],[24],[33] 0.20% [2],[6],[7],[20],[21],[32]      
Investment, Identifier [Axis]: Skyvault Holdings LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Investment, interest rate, paid in kind 12.00% [18],[24] 12.00% [7],[21]      
Investment Owned, Balance, Principal Amount $ 12,139,000 [18],[24] $ 3,586,000 [7],[21]      
Cost 12,139,000 [18],[24] 3,586,000 [7],[21]      
Fair Value $ 12,139,000 [18],[24] $ 3,586,000 [7],[21]      
Percentage of Total Net Assets 1.00% [1],[18],[24] 0.30% [2],[7],[21]      
Investment, Identifier [Axis]: Skyvault Holdings LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Investment, interest rate, paid in kind 12.00% [53] 12.00% [54]      
Fair Value $ 12,139,000 [53] $ 3,586,000 [53] 0 [54]    
Investment, Identifier [Axis]: Skyvault Holdings LLC, LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 1,195,449.6 [10],[18] 1,195,449.6 [11],[21]      
Cost $ 4,055,000 [10],[18] $ 1,195,000 [11],[21]      
Fair Value $ 4,046,000 [10],[18] $ 1,195,000 [11],[21]      
Percentage of Total Net Assets 0.30% [1],[10],[18] 0.10% [2],[11],[21]      
Investment, Identifier [Axis]: Skyvault Holdings LLC, LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 1,195,449.6 [53] 1,195,449.6 [54]      
Fair Value $ 4,046,000 [53] $ 1,195,000 [53] 0 [54]    
Investment, Identifier [Axis]: SmartShift Group, Inc., Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 275 [10],[18] 275 [11],[21]      
Cost $ 275,000 [10],[18] $ 275,000 [11],[21]      
Fair Value $ 519,000 [10],[18] $ 483,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: SmartShift Group, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [17],[18],[30] 5.00% [19],[20],[21]      
Interest 9.30% [17],[18],[30] 9.50% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 12,912,000 [17],[18],[30] $ 12,944,000 [19],[20],[21]      
Cost 12,721,000 [17],[18],[30] 12,732,000 [19],[20],[21]      
Fair Value $ 12,912,000 [17],[18],[30] $ 12,944,000 [19],[20],[21]      
Percentage of Total Net Assets 1.10% [1],[17],[18],[30] 1.10% [2],[19],[20],[21]      
Investment, Identifier [Axis]: SmartShift Group, Inc., Revolver          
Schedule of Investments [Line Items]          
Interest 5.00% [17],[18],[24],[30] 5.00% [7],[19],[20],[21]      
Interest 9.30% [17],[18],[24],[30] 9.50% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [17],[18],[24],[30] $ 0 [7],[19],[20],[21]      
Cost (31,000) [17],[18],[24],[30] (32,000) [7],[19],[20],[21]      
Fair Value $ 0 [17],[18],[24],[30] $ 0 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[17],[18],[24],[30] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Smartling, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.50% [17],[18],[30] 4.50% [19],[20],[21]      
Interest 8.90% [17],[18],[30] 9.00% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 10,410,000 [17],[18],[30] $ 10,437,000 [19],[20],[21]      
Cost 10,310,000 [17],[18],[30] 10,328,000 [19],[20],[21]      
Fair Value $ 10,410,000 [17],[18],[30] $ 10,437,000 [19],[20],[21]      
Percentage of Total Net Assets 0.90% [1],[17],[18],[30] 0.90% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Smartling, Inc., Revolver          
Schedule of Investments [Line Items]          
Interest 4.50% [17],[18],[24],[30] 4.50% [7],[19],[20],[21]      
Interest 8.90% [17],[18],[24],[30] 9.00% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [17],[18],[24],[30] $ 0 [7],[19],[20],[21]      
Cost (10,000) [17],[18],[24],[30] (11,000) [7],[19],[20],[21]      
Fair Value $ 0 [17],[18],[24],[30] $ 0 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[17],[18],[24],[30] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Smile Brands Group Inc., First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 6.00% [16],[17],[18] 6.00% [19],[20],[21]      
Interest 10.40% [16],[17],[18] 10.70% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 1,363,000 [16],[17],[18] $ 1,352,000 [19],[20],[21]      
Cost 1,360,000 [16],[17],[18] 1,348,000 [19],[20],[21]      
Fair Value $ 1,166,000 [16],[17],[18] $ 1,230,000 [19],[20],[21]      
Percentage of Total Net Assets 0.10% [1],[16],[17],[18] 0.10% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Smile Brands Group Inc., First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 8.50% [16],[17],[18] 8.50% [19],[20],[21]      
Interest 12.90% [16],[17],[18] 13.20% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 3,871,000 [16],[17],[18] $ 3,821,000 [19],[20],[21]      
Cost 3,856,000 [16],[17],[18] 3,805,000 [19],[20],[21]      
Fair Value $ 3,310,000 [16],[17],[18] $ 3,477,000 [19],[20],[21]      
Percentage of Total Net Assets 0.30% [1],[16],[17],[18] 0.30% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Solo Buyer, L.P., Common Equity          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 516,399 [10],[18] 516,399 [11],[21]      
Cost $ 516,000 [10],[18] $ 516,000 [11],[21]      
Fair Value $ 398,000 [10],[18] $ 325,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Solo Buyer, L.P., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.25% [16],[17],[18] 6.25% [19],[20],[21]      
Interest 10.60% [16],[17],[18] 10.70% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 15,294,000 [16],[17],[18] $ 15,333,000 [19],[20],[21]      
Cost 15,007,000 [16],[17],[18] 15,033,000 [19],[20],[21]      
Fair Value $ 15,279,000 [16],[17],[18] $ 14,826,000 [19],[20],[21]      
Percentage of Total Net Assets 1.30% [1],[16],[17],[18] 1.20% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Solo Buyer, L.P., Revolver          
Schedule of Investments [Line Items]          
Interest 6.25% [16],[17],[18],[24] 6.25% [7],[19],[20],[21]      
Interest 10.60% [16],[17],[18],[24] 10.70% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 864,000 [16],[17],[18],[24] $ 532,000 [7],[19],[20],[21]      
Cost 834,000 [16],[17],[18],[24] 499,000 [7],[19],[20],[21]      
Fair Value $ 862,000 [16],[17],[18],[24] $ 466,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.10% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Sound Point CLO XX, Ltd., Subordinated Structured Notes          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 4,489,000 [4],[8],[10] $ 4,489,000 [6],[9],[11]      
Cost 1,389,000 [4],[8],[10] 1,389,000 [6],[9],[11]      
Fair Value $ 44,000 [4],[8],[10] $ 61,000 [6],[9],[11]      
Percentage of Total Net Assets 0.00% [1],[4],[8],[10] 0.00% [2],[6],[9],[11]      
Investment, interest, current yield 0.00% [4],[8],[10] 0.00% [6],[9],[11]      
Investment, Identifier [Axis]: Sparus Holdings, LLC (f/k/a Sparus Holdings, Inc.), First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18],[24] 5.00% [7],[20],[21],[31]      
Interest 9.30% [16],[17],[18],[24] 9.20% [7],[20],[21],[31]      
Investment Owned, Balance, Principal Amount $ 2,062,000 [16],[17],[18],[24] $ 2,072,000 [7],[20],[21],[31]      
Cost 2,037,000 [16],[17],[18],[24] 2,044,000 [7],[20],[21],[31]      
Fair Value $ 2,052,000 [16],[17],[18],[24] $ 2,057,000 [7],[20],[21],[31]      
Percentage of Total Net Assets 0.20% [1],[16],[17],[18],[24] 0.20% [2],[7],[20],[21],[31]      
Investment, Identifier [Axis]: Sparus Holdings, LLC (f/k/a Sparus Holdings, Inc.), Revolver          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18],[24] 5.00% [7],[20],[21],[31]      
Interest 9.30% [16],[17],[18],[24] 9.20% [7],[20],[21],[31]      
Investment Owned, Balance, Principal Amount $ 78,000 [16],[17],[18],[24] $ 0 [7],[20],[21],[31]      
Cost 77,000 [16],[17],[18],[24] (2,000) [7],[20],[21],[31]      
Fair Value $ 77,000 [16],[17],[18],[24] $ (1,000) [7],[20],[21],[31]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[20],[21],[31]      
Investment, Identifier [Axis]: Spatial Business Systems LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18] 5.50% [19],[20],[21]      
Interest 9.30% [16],[17],[18] 10.00% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 14,878,000 [16],[17],[18] $ 14,930,000 [19],[20],[21]      
Cost 14,658,000 [16],[17],[18] 14,695,000 [19],[20],[21]      
Fair Value $ 14,878,000 [16],[17],[18] $ 14,706,000 [19],[20],[21]      
Percentage of Total Net Assets 1.30% [1],[16],[17],[18] 1.20% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Spatial Business Systems LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18],[24] 5.50% [7],[19],[20],[21]      
Interest 9.30% [16],[17],[18],[24] 10.00% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost (21,000) [16],[17],[18],[24] (22,000) [7],[19],[20],[21]      
Fair Value $ 0 [16],[17],[18],[24] $ (21,000) [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Starnmeer B.V., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [4],[17],[18],[30] 5.00% [6],[20],[21],[31]      
Interest 9.40% [4],[17],[18],[30] 9.60% [6],[20],[21],[31]      
Investment Owned, Balance, Principal Amount $ 2,500,000 [4],[17],[18],[30] $ 2,500,000 [6],[20],[21],[31]      
Cost 2,484,000 [4],[17],[18],[30] 2,482,000 [6],[20],[21],[31]      
Fair Value $ 2,500,000 [4],[17],[18],[30] $ 2,500,000 [6],[20],[21],[31]      
Percentage of Total Net Assets 0.20% [1],[4],[17],[18],[30] 0.20% [2],[6],[20],[21],[31]      
Investment, Identifier [Axis]: Superjet Buyer, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.50% [16],[17],[18],[24] 5.50% [7],[19],[20],[21]      
Interest 10.10% [16],[17],[18],[24] 10.40% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 18,016,000 [16],[17],[18],[24] $ 18,063,000 [7],[19],[20],[21]      
Cost 17,738,000 [16],[17],[18],[24] 17,760,000 [7],[19],[20],[21]      
Fair Value $ 17,703,000 [16],[17],[18],[24] $ 17,712,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 1.50% [1],[16],[17],[18],[24] 1.50% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Superjet Buyer, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 5.50% [16],[17],[18],[24] 5.50% [7],[19],[20],[21]      
Interest 10.10% [16],[17],[18],[24] 10.40% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost (27,000) [16],[17],[18],[24] (29,000) [7],[19],[20],[21]      
Fair Value $ (35,000) [16],[17],[18],[24] $ (38,000) [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Syniverse Holdings, Inc., Series A Preferred Equity          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 7,575,758 [18] 7,575,758 [21]      
Investment, interest rate, paid in kind 12.50% [18] 12.50% [21]      
Cost $ 10,167,000 [18] $ 10,167,000 [21]      
Fair Value $ 10,379,000 [18] $ 10,076,000 [21]      
Percentage of Total Net Assets 0.90% [1],[18] 0.80% [2],[21]      
Investment, Identifier [Axis]: TA SL Cayman Aggregator Corp., Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 1,589 [10],[18] 1,589 [11],[21]      
Cost $ 50,000 [10],[18] $ 50,000 [11],[21]      
Fair Value $ 83,000 [10],[18] $ 84,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: TA SL Cayman Aggregator Corp., Subordinated Term Loan          
Schedule of Investments [Line Items]          
Investment, interest rate, paid in kind 7.80% [18] 7.80% [21]      
Investment Owned, Balance, Principal Amount $ 2,969,000 [18] $ 2,785,000 [21]      
Cost 2,949,000 [18] 2,764,000 [21]      
Fair Value $ 2,969,000 [18] $ 2,785,000 [21]      
Percentage of Total Net Assets 0.20% [1],[18] 0.20% [2],[21]      
Investment, Identifier [Axis]: TAPCO Buyer LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18] 5.00% [7],[19],[20],[21]      
Interest 9.30% [16],[17],[18] 9.50% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 13,846,000 [16],[17],[18] $ 13,845,000 [7],[19],[20],[21]      
Cost 13,535,000 [16],[17],[18] 13,523,000 [7],[19],[20],[21]      
Fair Value $ 13,559,000 [16],[17],[18] $ 13,517,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 1.10% [1],[16],[17],[18] 1.10% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: TAPCO Buyer LLC, LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 252 [10],[18] 252 [11],[21]      
Cost $ 252,000 [10],[18] $ 252,000 [11],[21]      
Fair Value $ 261,000 [10],[18] $ 252,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: TAPCO Buyer LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18],[24] 5.00% [7],[19],[20],[21]      
Interest 9.30% [16],[17],[18],[24] 9.50% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost (41,000) [16],[17],[18],[24] (43,000) [7],[19],[20],[21]      
Fair Value $ (38,000) [16],[17],[18],[24] $ (44,000) [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: THG Acquisition, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.75% [17],[18],[24],[28] 4.75% [7],[20],[21],[29]      
Interest 9.00% [17],[18],[24],[28] 9.30% [7],[20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 10,354,000 [17],[18],[24],[28] $ 10,314,000 [7],[20],[21],[29]      
Cost 10,234,000 [17],[18],[24],[28] 10,190,000 [7],[20],[21],[29]      
Fair Value $ 10,246,000 [17],[18],[24],[28] $ 10,187,000 [7],[20],[21],[29]      
Percentage of Total Net Assets 0.90% [1],[17],[18],[24],[28] 0.90% [2],[7],[20],[21],[29]      
Investment, Identifier [Axis]: THG Acquisition, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 4.75% [17],[18],[24],[28] 4.75% [7],[20],[21],[29]      
Interest 9.00% [17],[18],[24],[28] 9.30% [7],[20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 69,000 [17],[18],[24],[28] $ 112,000 [7],[20],[21],[29]      
Cost 55,000 [17],[18],[24],[28] 98,000 [7],[20],[21],[29]      
Fair Value $ 56,000 [17],[18],[24],[28] $ 97,000 [7],[20],[21],[29]      
Percentage of Total Net Assets 0.00% [1],[17],[18],[24],[28] 0.00% [2],[7],[20],[21],[29]      
Investment, Identifier [Axis]: TSYL Corporate Buyer, Inc., First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18] 4.50% [19],[20],[21]      
Interest 9.30% [16],[17],[18] 9.00% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 2,591,000 [16],[17],[18] $ 2,598,000 [19],[20],[21]      
Cost 2,569,000 [16],[17],[18] 2,573,000 [19],[20],[21]      
Fair Value $ 2,568,000 [16],[17],[18] $ 2,572,000 [19],[20],[21]      
Percentage of Total Net Assets 0.20% [1],[16],[17],[18] 0.20% [2],[19],[20],[21]      
Investment, Identifier [Axis]: TSYL Corporate Buyer, Inc., First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18] 4.75% [19],[20],[21]      
Interest 9.30% [16],[17],[18] 9.30% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 2,161,000 [16],[17],[18] $ 962,000 [19],[20],[21]      
Cost 2,131,000 [16],[17],[18] 949,000 [19],[20],[21]      
Fair Value $ 2,142,000 [16],[17],[18] $ 953,000 [19],[20],[21]      
Percentage of Total Net Assets 0.20% [1],[16],[17],[18] 0.10% [2],[19],[20],[21]      
Investment, Identifier [Axis]: TSYL Corporate Buyer, Inc., First Lien Senior Secured Term Loan 3          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18],[24] 5.00% [19],[20],[21]      
Interest 9.30% [16],[17],[18],[24] 9.50% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 8,035,000 [16],[17],[18],[24] $ 1,204,000 [19],[20],[21]      
Cost 7,846,000 [16],[17],[18],[24] 1,190,000 [19],[20],[21]      
Fair Value $ 7,859,000 [16],[17],[18],[24] $ 1,192,000 [19],[20],[21]      
Percentage of Total Net Assets 0.70% [1],[16],[17],[18],[24] 0.10% [2],[19],[20],[21]      
Investment, Identifier [Axis]: TSYL Corporate Buyer, Inc., First Lien Senior Secured Term Loan 4          
Schedule of Investments [Line Items]          
Interest [7],[19],[20],[21]   5.00%      
Interest [7],[19],[20],[21]   9.50%      
Investment Owned, Balance, Principal Amount [7],[19],[20],[21]   $ 8,035,000      
Cost [7],[19],[20],[21]   7,840,000      
Fair Value [7],[19],[20],[21]   $ 7,837,000      
Percentage of Total Net Assets [2],[7],[19],[20],[21]   0.70%      
Investment, Identifier [Axis]: TSYL Corporate Buyer, Inc., Partnership Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 4,673 [18] 4,673 [21]      
Cost $ 5,000 [18] $ 5,000 [21]      
Fair Value $ 25,000 [18] $ 26,000 [21]      
Percentage of Total Net Assets 0.00% [1],[18] 0.00% [2],[21]      
Investment, Identifier [Axis]: TSYL Corporate Buyer, Inc., Revolver          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18],[24] 4.75% [7],[19],[20],[21]      
Interest 9.30% [16],[17],[18],[24] 9.30% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost (6,000) [16],[17],[18],[24] (5,000) [7],[19],[20],[21]      
Fair Value $ (4,000) [16],[17],[18],[24] $ (4,000) [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Tank Holding Corp, First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 5.75% [17],[18],[28] 5.75% [20],[21],[31]      
Interest 10.20% [17],[18],[28] 10.20% [20],[21],[31]      
Investment Owned, Balance, Principal Amount $ 7,882,000 [17],[18],[28] $ 7,902,000 [20],[21],[31]      
Cost 7,781,000 [17],[18],[28] 7,794,000 [20],[21],[31]      
Fair Value $ 7,792,000 [17],[18],[28] $ 7,792,000 [20],[21],[31]      
Percentage of Total Net Assets 0.70% [1],[17],[18],[28] 0.70% [2],[20],[21],[31]      
Investment, Identifier [Axis]: Tank Holding Corp, First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 6.00% [17],[18],[28] 6.00% [7],[20],[21],[29]      
Interest 10.40% [17],[18],[28] 10.70% [7],[20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 3,032,000 [17],[18],[28] $ 2,901,000 [7],[20],[21],[29]      
Cost 2,972,000 [17],[18],[28] 2,836,000 [7],[20],[21],[29]      
Fair Value $ 2,998,000 [17],[18],[28] $ 2,868,000 [7],[20],[21],[29]      
Percentage of Total Net Assets 0.30% [1],[17],[18],[28] 0.20% [2],[7],[20],[21],[29]      
Investment, Identifier [Axis]: Tank Holding Corp, Revolver          
Schedule of Investments [Line Items]          
Interest 5.75% [17],[18],[24],[28] 5.75% [7],[20],[21],[31]      
Interest 10.20% [17],[18],[24],[28] 10.20% [7],[20],[21],[31]      
Investment Owned, Balance, Principal Amount $ 0 [17],[18],[24],[28] $ 0 [7],[20],[21],[31]      
Cost (10,000) [17],[18],[24],[28] (11,000) [7],[20],[21],[31]      
Fair Value $ (10,000) [17],[18],[24],[28] $ (12,000) [7],[20],[21],[31]      
Percentage of Total Net Assets 0.00% [1],[17],[18],[24],[28] 0.00% [2],[7],[20],[21],[31]      
Investment, Identifier [Axis]: Tanqueray Bidco Limited, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.25% [4],[17],[18],[24],[35] 5.25% [6],[7],[20],[21],[34]      
Interest 10.00% [4],[17],[18],[24],[35] 10.00% [6],[7],[20],[21],[34]      
Investment Owned, Balance, Principal Amount $ 1,751,000 [4],[17],[18],[24],[35] $ 1,699,000 [6],[7],[20],[21],[34]      
Cost 1,522,000 [4],[17],[18],[24],[35] 1,518,000 [6],[7],[20],[21],[34]      
Fair Value $ 1,693,000 [4],[17],[18],[24],[35] $ 1,643,000 [6],[7],[20],[21],[34]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[24],[35] 0.10% [2],[6],[7],[20],[21],[34]      
Investment, Identifier [Axis]: Team Air Distributing, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [21]   12.00%      
Investment Owned, Balance, Principal Amount [21]   $ 36,000      
Cost [21]   35,000      
Fair Value [21]   $ 35,000      
Percentage of Total Net Assets [2],[21]   0.00%      
Investment, Identifier [Axis]: Team Air Distributing, LLC, Partnership Equity          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 516,640.2 [10],[18] 516,640.2 [11],[21]      
Cost $ 523,000 [10],[18] $ 523,000 [11],[21]      
Fair Value $ 573,000 [10],[18] $ 625,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.10% [2],[11],[21]      
Investment, Identifier [Axis]: Team Air Distributing, LLC, Subordinated Term Loan          
Schedule of Investments [Line Items]          
Interest 14.00% [18] 12.00% [21]      
Investment Owned, Balance, Principal Amount $ 753,000 [18] $ 717,000 [21]      
Cost 740,000 [18] 705,000 [21]      
Fair Value $ 739,000 [18] $ 702,000 [21]      
Percentage of Total Net Assets 0.10% [1],[18] 0.10% [2],[21]      
Investment, Identifier [Axis]: Technology Service Stream BidCo Pty Ltd, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.25% [4],[17],[18],[24],[38] 5.50% [6],[7],[20],[21],[27]      
Interest 9.50% [4],[17],[18],[24],[38] 10.30% [6],[7],[20],[21],[27]      
Investment Owned, Balance, Principal Amount $ 703,000 [4],[17],[18],[24],[38] $ 698,000 [6],[7],[20],[21],[27]      
Cost 726,000 [4],[17],[18],[24],[38] 725,000 [6],[7],[20],[21],[27]      
Fair Value $ 674,000 [4],[17],[18],[24],[38] $ 677,000 [6],[7],[20],[21],[27]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[24],[38] 0.10% [2],[6],[7],[20],[21],[27]      
Investment, Identifier [Axis]: Techone B.V., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.40% [4],[17],[18],[25] 5.40% [6],[20],[21],[26]      
Interest 7.80% [4],[17],[18],[25] 8.70% [6],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 3,796,000 [4],[17],[18],[25] $ 3,639,000 [6],[20],[21],[26]      
Cost 3,819,000 [4],[17],[18],[25] 3,816,000 [6],[20],[21],[26]      
Fair Value $ 3,796,000 [4],[17],[18],[25] $ 3,609,000 [6],[20],[21],[26]      
Percentage of Total Net Assets 0.30% [1],[4],[17],[18],[25] 0.30% [2],[6],[20],[21],[26]      
Investment, Identifier [Axis]: Techone B.V., Revolver          
Schedule of Investments [Line Items]          
Interest 5.40% [4],[17],[18],[24],[25] 5.40% [6],[7],[20],[21],[26]      
Interest 7.80% [4],[17],[18],[24],[25] 8.70% [6],[7],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 0 [4],[17],[18],[24],[25] $ 0 [6],[7],[20],[21],[26]      
Cost (24,000) [4],[17],[18],[24],[25] (24,000) [6],[7],[20],[21],[26]      
Fair Value $ 0 [4],[17],[18],[24],[25] $ (4,000) [6],[7],[20],[21],[26]      
Percentage of Total Net Assets 0.00% [1],[4],[17],[18],[24],[25] 0.00% [2],[6],[7],[20],[21],[26]      
Investment, Identifier [Axis]: Tencarva Machinery Company, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.75% [16],[17],[18],[24] 5.00% [19],[20],[21]      
Interest 9.20% [16],[17],[18],[24] 9.80% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 14,353,000 [16],[17],[18],[24] $ 8,465,000 [19],[20],[21]      
Cost 14,058,000 [16],[17],[18],[24] 8,368,000 [19],[20],[21]      
Fair Value $ 14,010,000 [16],[17],[18],[24] $ 8,364,000 [19],[20],[21]      
Percentage of Total Net Assets 1.20% [1],[16],[17],[18],[24] 0.70% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Tencarva Machinery Company, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 4.75% [16],[17],[18],[24] 5.00% [7],[19],[20],[21]      
Interest 9.20% [16],[17],[18],[24] 9.80% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost (23,000) [16],[17],[18],[24] (15,000) [7],[19],[20],[21]      
Fair Value $ (32,000) [16],[17],[18],[24] $ (18,000) [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Terrybear, Inc., Partnership Equity          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 24,358.97 [10],[18] 24,358.97 [11],[21]      
Cost $ 239,000 [10],[18] $ 239,000 [11],[21]      
Fair Value $ 79,000 [10],[18] $ 120,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: Terrybear, Inc., Subordinated Term Loan          
Schedule of Investments [Line Items]          
Interest 10.00% [18] 10.00% [21]      
Investment, interest rate, paid in kind 4.00% [18] 4.00% [21]      
Investment Owned, Balance, Principal Amount $ 288,000 [18] $ 285,000 [21]      
Cost 285,000 [18] 282,000 [21]      
Fair Value $ 266,000 [18] $ 268,000 [21]      
Percentage of Total Net Assets 0.00% [1],[18] 0.00% [2],[21]      
Investment, Identifier [Axis]: The Caprock Group, Inc. (aka TA/TCG Holdings, LLC), First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.25% [17],[18],[28] 4.25% [19],[20],[21]      
Interest 8.60% [17],[18],[28] 8.80% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 2,645,000 [17],[18],[28] $ 2,647,000 [19],[20],[21]      
Cost 2,622,000 [17],[18],[28] 2,621,000 [19],[20],[21]      
Fair Value $ 2,645,000 [17],[18],[28] $ 2,647,000 [19],[20],[21]      
Percentage of Total Net Assets 0.20% [1],[17],[18],[28] 0.20% [2],[19],[20],[21]      
Investment, Identifier [Axis]: The Caprock Group, Inc. (aka TA/TCG Holdings, LLC), Revolver          
Schedule of Investments [Line Items]          
Interest 4.25% [17],[18],[24],[28] 4.25% [7],[19],[20],[21]      
Interest 8.60% [17],[18],[24],[28] 8.80% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [17],[18],[24],[28] $ 0 [7],[19],[20],[21]      
Cost (7,000) [17],[18],[24],[28] (7,000) [7],[19],[20],[21]      
Fair Value $ 0 [17],[18],[24],[28] $ 0 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[17],[18],[24],[28] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: The Caprock Group, Inc. (aka TA/TCG Holdings, LLC), Subordinated Term Loan          
Schedule of Investments [Line Items]          
Interest 7.75% [17],[18],[30] 7.75% [20],[21],[31]      
Interest [20],[21],[31]   9.00%      
Investment, interest rate, paid in kind 12.20% [17],[18],[30] 3.20% [20],[21],[31]      
Investment Owned, Balance, Principal Amount $ 3,791,000 [17],[18],[30] $ 3,791,000 [20],[21],[31]      
Cost 3,752,000 [17],[18],[30] 3,750,000 [20],[21],[31]      
Fair Value $ 3,791,000 [17],[18],[30] $ 3,791,000 [20],[21],[31]      
Percentage of Total Net Assets 0.30% [1],[17],[18],[30] 0.30% [2],[20],[21],[31]      
Investment, Identifier [Axis]: The Octave Music Group, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.75% [16],[17] 4.75% [19],[20]      
Interest 9.00% [16],[17] 9.10% [19],[20]      
Investment Owned, Balance, Principal Amount $ 3,584,000 [16],[17] $ 3,593,000 [19],[20]      
Cost 3,584,000 [16],[17] 3,593,000 [19],[20]      
Fair Value $ 3,504,000 [16],[17] $ 3,595,000 [19],[20]      
Percentage of Total Net Assets 0.30% [1],[16],[17] 0.30% [2],[19],[20]      
Investment, Identifier [Axis]: The Octave Music Group, Inc., Partnership Equity          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 676,881 [10],[18] 676,881 [21]      
Cost $ 677,000 [10],[18] $ 677,000 [21]      
Fair Value $ 2,180,000 [10],[18] $ 2,180,000 [21]      
Percentage of Total Net Assets 0.20% [1],[10],[18] 0.20% [2],[21]      
Investment, Identifier [Axis]: Thompson Rivers LLC, Member Interest          
Schedule of Investments [Line Items]          
Cost [5],[11]   $ 22,897,000      
Fair Value [5],[11]   $ 7,208,000      
Percentage of Total Net Assets [2],[5],[11]   0.60%      
Investment, Identifier [Axis]: Thompson Rivers LLC, Member Interest          
Schedule of Investments [Line Items]          
Cost [3],[10] $ 21,938,000        
Fair Value $ 6,237,000 [3],[10] $ 7,208,000 13,365,000    
Percentage of Total Net Assets [1],[3],[10] 0.50%        
Investment, Identifier [Axis]: Transportation Insight, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.50% [16],[17],[18] 4.50% [19],[20],[21]      
Interest 8.90% [16],[17],[18] 9.20% [19],[20],[21]      
Investment, interest rate, paid in kind 1.00% [16],[17],[18] 1.00% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 11,084,000 [16],[17],[18] $ 11,062,000 [19],[20],[21]      
Cost 11,055,000 [16],[17],[18] 11,030,000 [19],[20],[21]      
Fair Value $ 8,667,000 [16],[17],[18] $ 8,518,000 [19],[20],[21]      
Percentage of Total Net Assets 0.70% [1],[16],[17],[18] 0.70% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Trident Maritime Systems, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.50% [16],[17],[18] 5.50% [19],[20],[21]      
Interest 9.80% [16],[17],[18] 10.30% [19],[20],[21]      
Investment, interest rate, paid in kind [16],[17],[18] 2.00%        
Investment Owned, Balance, Principal Amount $ 15,419,000 [16],[17],[18] $ 15,308,000 [19],[20],[21]      
Cost 15,326,000 [16],[17],[18] 15,202,000 [19],[20],[21]      
Fair Value $ 14,186,000 [16],[17],[18] $ 14,420,000 [19],[20],[21]      
Percentage of Total Net Assets 1.20% [1],[16],[17],[18] 1.20% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Trintech, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.50% [17],[18],[28] 5.50% [20],[21],[29]      
Interest 9.80% [17],[18],[28] 10.10% [20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 6,877,000 [17],[18],[28] $ 6,895,000 [20],[21],[29]      
Cost 6,715,000 [17],[18],[28] 6,725,000 [20],[21],[29]      
Fair Value $ 6,795,000 [17],[18],[28] $ 6,787,000 [20],[21],[29]      
Percentage of Total Net Assets 0.60% [1],[17],[18],[28] 0.60% [2],[20],[21],[29]      
Investment, Identifier [Axis]: Trintech, Inc., Revolver          
Schedule of Investments [Line Items]          
Interest 5.50% [17],[18],[24],[28] 5.50% [7],[20],[21],[29]      
Interest 9.80% [17],[18],[24],[28] 10.10% [7],[20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 153,000 [17],[18],[24],[28] $ 153,000 [7],[20],[21],[29]      
Cost 140,000 [17],[18],[24],[28] 140,000 [7],[20],[21],[29]      
Fair Value $ 147,000 [17],[18],[24],[28] $ 145,000 [7],[20],[21],[29]      
Percentage of Total Net Assets 0.00% [1],[17],[18],[24],[28] 0.00% [2],[7],[20],[21],[29]      
Investment, Identifier [Axis]: True Religion Apparel, Inc., Class A Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) [9],[11],[21]   9.767      
Cost [9],[11],[21]   $ 0      
Fair Value [9],[11],[21]   $ 0      
Percentage of Total Net Assets [2],[9],[11],[21]   0.00%      
Investment, Identifier [Axis]: Turbo Buyer, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.00% [16],[17],[18] 6.00% [19],[20],[21]      
Interest 10.40% [16],[17],[18] 10.80% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 8,141,000 [16],[17],[18] $ 8,162,000 [19],[20],[21]      
Cost 8,111,000 [16],[17],[18] 8,121,000 [19],[20],[21]      
Fair Value $ 7,677,000 [16],[17],[18] $ 7,754,000 [19],[20],[21]      
Percentage of Total Net Assets 0.60% [1],[16],[17],[18] 0.70% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Turnberry Solutions, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.00% [17],[18],[28] 5.75% [20],[21],[29]      
Interest 10.40% [17],[18],[28] 10.40% [20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 4,861,000 [17],[18],[28] $ 4,874,000 [20],[21],[29]      
Cost 4,833,000 [17],[18],[28] 4,839,000 [20],[21],[29]      
Fair Value $ 4,861,000 [17],[18],[28] $ 4,874,000 [20],[21],[29]      
Percentage of Total Net Assets 0.40% [1],[17],[18],[28] 0.40% [2],[20],[21],[29]      
Investment, Identifier [Axis]: UBC Ledgers Holding AB, First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 5.25% [4],[16],[17],[18] 5.25% [6],[20],[21],[26]      
Interest 9.60% [4],[16],[17],[18] 9.60% [6],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 559,000 [4],[16],[17],[18] $ 536,000 [6],[20],[21],[26]      
Cost 556,000 [4],[16],[17],[18] 556,000 [6],[20],[21],[26]      
Fair Value $ 559,000 [4],[16],[17],[18] $ 536,000 [6],[20],[21],[26]      
Percentage of Total Net Assets 0.00% [1],[4],[16],[17],[18] 0.00% [2],[6],[20],[21],[26]      
Investment, Identifier [Axis]: UBC Ledgers Holding AB, First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 5.25% [4],[17],[18],[24],[66] 5.25% [6],[7],[20],[21],[42]      
Interest 7.60% [4],[17],[18],[24],[66] 8.40% [6],[7],[20],[21],[42]      
Investment Owned, Balance, Principal Amount $ 1,595,000 [4],[17],[18],[24],[66] $ 1,450,000 [6],[7],[20],[21],[42]      
Cost 1,487,000 [4],[17],[18],[24],[66] 1,486,000 [6],[7],[20],[21],[42]      
Fair Value $ 1,595,000 [4],[17],[18],[24],[66] $ 1,450,000 [6],[7],[20],[21],[42]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[24],[66] 0.10% [2],[6],[7],[20],[21],[42]      
Investment, Identifier [Axis]: UHY Advisors, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.75% [16],[17],[18],[24] 4.75% [7],[19],[20],[21]      
Interest 9.00% [16],[17],[18],[24] 9.30% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 13,247,000 [16],[17],[18],[24] $ 13,247,000 [7],[19],[20],[21]      
Cost 13,012,000 [16],[17],[18],[24] 12,991,000 [7],[19],[20],[21]      
Fair Value $ 13,247,000 [16],[17],[18],[24] $ 12,982,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 1.10% [1],[16],[17],[18],[24] 1.10% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: UHY Advisors, Inc., Revolver          
Schedule of Investments [Line Items]          
Interest 4.75% [16],[17],[18],[24] 4.75% [7],[19],[20],[21]      
Interest 9.00% [16],[17],[18],[24] 9.30% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 779,000 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost 748,000 [16],[17],[18],[24] (34,000) [7],[19],[20],[21]      
Fair Value $ 779,000 [16],[17],[18],[24] $ (35,000) [7],[19],[20],[21]      
Percentage of Total Net Assets 0.10% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: UKFast Leaders Limited, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 7.25% [4],[17],[18],[35] 7.25% [6],[20],[21],[34]      
Interest 11.80% [4],[17],[18],[35] 12.30% [6],[20],[21],[34]      
Investment Owned, Balance, Principal Amount $ 12,067,000 [4],[17],[18],[35] $ 11,708,000 [6],[20],[21],[34]      
Cost 11,873,000 [4],[17],[18],[35] 11,860,000 [6],[20],[21],[34]      
Fair Value $ 11,403,000 [4],[17],[18],[35] $ 11,041,000 [6],[20],[21],[34]      
Percentage of Total Net Assets 1.00% [1],[4],[17],[18],[35] 0.90% [2],[6],[20],[21],[34]      
Investment, Identifier [Axis]: US Bank National Association Series 2025-1, Structured Note - Class R          
Schedule of Investments [Line Items]          
Interest [4],[16],[17],[18] 7.50%        
Interest [4],[16],[17],[18] 11.90%        
Investment Owned, Balance, Principal Amount [4],[16],[17],[18] $ 7,500,000        
Cost [4],[16],[17],[18] 7,500,000        
Fair Value [4],[16],[17],[18] $ 7,500,000        
Percentage of Total Net Assets [1],[4],[16],[17],[18] 0.60%        
Investment, Identifier [Axis]: USLS Acquisition, Inc. (f/k/a US Legal Support, Inc.), First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 5.75% [16],[17],[18] 5.75% [19],[20],[21]      
Interest 10.20% [16],[17],[18] 10.50% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 12,566,000 [16],[17],[18] $ 12,613,000 [19],[20],[21]      
Cost 12,521,000 [16],[17],[18] 12,558,000 [19],[20],[21]      
Fair Value $ 12,440,000 [16],[17],[18] $ 12,487,000 [19],[20],[21]      
Percentage of Total Net Assets 1.00% [1],[16],[17],[18] 1.00% [2],[19],[20],[21]      
Investment, Identifier [Axis]: USLS Acquisition, Inc. (f/k/a US Legal Support, Inc.), First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 5.75% [16],[17],[18] 5.75% [19],[20],[21]      
Interest 10.20% [16],[17],[18] 10.50% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 5,451,000 [16],[17],[18] $ 5,465,000 [19],[20],[21]      
Cost 5,404,000 [16],[17],[18] 5,414,000 [19],[20],[21]      
Fair Value $ 5,397,000 [16],[17],[18] $ 5,411,000 [19],[20],[21]      
Percentage of Total Net Assets 0.50% [1],[16],[17],[18] 0.50% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Union Bidco Limited, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.59% [4],[17],[18],[24],[35] 4.84% [6],[7],[20],[21],[37]      
Interest 9.30% [4],[17],[18],[24],[35] 9.80% [6],[7],[20],[21],[37]      
Investment Owned, Balance, Principal Amount $ 962,000 [4],[17],[18],[24],[35] $ 934,000 [6],[7],[20],[21],[37]      
Cost 893,000 [4],[17],[18],[24],[35] 892,000 [6],[7],[20],[21],[37]      
Fair Value $ 961,000 [4],[17],[18],[24],[35] $ 930,000 [6],[7],[20],[21],[37]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[24],[35] 0.10% [2],[6],[7],[20],[21],[37]      
Investment, Identifier [Axis]: United Therapy Holding III GmbH, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.75% [4],[17],[18],[24],[25] 6.75% [6],[7],[20],[21],[26]      
Interest 9.20% [4],[17],[18],[24],[25] 10.00% [6],[7],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 1,934,000 [4],[17],[18],[24],[25] $ 1,689,000 [6],[7],[20],[21],[26]      
Cost 1,881,000 [4],[17],[18],[24],[25] 1,713,000 [6],[7],[20],[21],[26]      
Fair Value $ 1,455,000 [4],[17],[18],[24],[25] $ 1,204,000 [6],[7],[20],[21],[26]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[24],[25] 0.10% [2],[6],[7],[20],[21],[26]      
Investment, Identifier [Axis]: Unither (Uniholding), First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.93% [4],[17],[18],[24],[25] 4.93% [6],[7],[20],[21],[26]      
Interest 7.30% [4],[17],[18],[24],[25] 8.30% [6],[7],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 2,047,000 [4],[17],[18],[24],[25] $ 1,962,000 [6],[7],[20],[21],[26]      
Cost 1,968,000 [4],[17],[18],[24],[25] 1,965,000 [6],[7],[20],[21],[26]      
Fair Value $ 2,047,000 [4],[17],[18],[24],[25] $ 1,962,000 [6],[7],[20],[21],[26]      
Percentage of Total Net Assets 0.20% [1],[4],[17],[18],[24],[25] 0.20% [2],[6],[7],[20],[21],[26]      
Investment, Identifier [Axis]: Utac Ceram, First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 4.50% [4],[17],[18],[25] 4.60% [6],[20],[21],[26]      
Interest 6.90% [4],[17],[18],[25] 4.90% [6],[20],[21],[26]      
Investment, interest rate, paid in kind 2.40% [4],[17],[18],[25] 2.40% [6],[20],[21],[26]      
Investment Owned, Balance, Principal Amount $ 1,649,000 [4],[17],[18],[25] $ 1,581,000 [6],[20],[21],[26]      
Cost 1,755,000 [4],[17],[18],[25] 1,754,000 [6],[20],[21],[26]      
Fair Value $ 1,565,000 [4],[17],[18],[25] $ 1,500,000 [6],[20],[21],[26]      
Percentage of Total Net Assets 0.10% [1],[4],[17],[18],[25] 0.10% [2],[6],[20],[21],[26]      
Investment, Identifier [Axis]: Utac Ceram, First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 4.50% [4],[16],[17],[18] 6.75% [6],[19],[20],[21]      
Interest 8.80% [4],[16],[17],[18] 9.40% [6],[19],[20],[21]      
Investment, interest rate, paid in kind 2.40% [4],[16],[17],[18] 1.80% [6],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 988,000 [4],[16],[17],[18] $ 2,604,000 [6],[19],[20],[21]      
Cost 988,000 [4],[16],[17],[18] 2,572,000 [6],[19],[20],[21]      
Fair Value $ 937,000 [4],[16],[17],[18] $ 2,471,000 [6],[19],[20],[21]      
Percentage of Total Net Assets 0.10% [1],[4],[16],[17],[18] 0.20% [2],[6],[19],[20],[21]      
Investment, Identifier [Axis]: Utac Ceram, First Lien Senior Secured Term Loan 3          
Schedule of Investments [Line Items]          
Interest 4.50% [4],[16],[17],[18] 6.75% [6],[19],[20],[21]      
Interest 9.40% [4],[16],[17],[18] 8.80% [6],[19],[20],[21]      
Investment, interest rate, paid in kind 1.80% [4],[16],[17],[18] 2.40% [6],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 2,592,000 [4],[16],[17],[18] $ 994,000 [6],[19],[20],[21]      
Cost 2,563,000 [4],[16],[17],[18] 994,000 [6],[19],[20],[21]      
Fair Value $ 2,460,000 [4],[16],[17],[18] $ 943,000 [6],[19],[20],[21]      
Percentage of Total Net Assets 0.20% [1],[4],[16],[17],[18] 0.10% [2],[6],[19],[20],[21]      
Investment, Identifier [Axis]: VB Spine Intermediary II LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [16],[17],[18] 8.50%        
Interest [16],[17],[18] 12.80%        
Investment Owned, Balance, Principal Amount [16],[17],[18] $ 45,341,000        
Cost [16],[17],[18] 43,527,000        
Fair Value [16],[17],[18] $ 43,527,000        
Percentage of Total Net Assets [1],[16],[17],[18] 3.70%        
Investment, Identifier [Axis]: VOYA CLO 2015-2, LTD., Subordinated Structured Notes          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 10,736,000 [4],[8],[10] $ 10,736,000 [6],[9],[11]      
Cost 2,496,000 [4],[8],[10] 2,496,000 [6],[9],[11]      
Fair Value $ 81,000 [4],[8],[10] $ 15,000 [6],[9],[11]      
Percentage of Total Net Assets 0.00% [1],[4],[8],[10] 0.00% [2],[6],[9],[11]      
Investment, interest, current yield 0.00% [4],[8],[10] 0.00% [6],[9],[11]      
Investment, Identifier [Axis]: VOYA CLO 2016-2, LTD., Subordinated Structured Notes          
Schedule of Investments [Line Items]          
Investment Owned, Balance, Principal Amount $ 11,088,000 [4],[8],[10] $ 11,088,000 [6],[9],[11]      
Cost 1,608,000 [4],[8],[10] 2,462,000 [6],[9],[11]      
Fair Value $ 1,198,000 [4],[8],[10] $ 1,072,000 [6],[9],[11]      
Percentage of Total Net Assets 0.10% [1],[4],[8],[10] 0.10% [2],[6],[9],[11]      
Investment, interest, current yield 0.00% [4],[8],[10] 0.00% [6],[9],[11]      
Investment, Identifier [Axis]: Validity, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.25% [17],[18],[30] 5.25% [20],[21],[29]      
Interest 9.60% [17],[18],[30] 9.90% [20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 4,783,000 [17],[18],[30] $ 4,783,000 [20],[21],[29]      
Cost 4,756,000 [17],[18],[30] 4,750,000 [20],[21],[29]      
Fair Value $ 4,783,000 [17],[18],[30] $ 4,783,000 [20],[21],[29]      
Percentage of Total Net Assets 0.40% [1],[17],[18],[30] 0.40% [2],[20],[21],[29]      
Investment, Identifier [Axis]: Velocity Pooling Vehicle, LLC, Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 4,676 [8],[10],[18] 4,676 [9],[11],[21]      
Cost $ 60,000 [8],[10],[18] $ 60,000 [9],[11],[21]      
Fair Value $ 2,000 [8],[10],[18] $ 2,000 [9],[11],[21]      
Percentage of Total Net Assets 0.00% [1],[8],[10],[18] 0.00% [2],[9],[11],[21]      
Investment, Identifier [Axis]: Velocity Pooling Vehicle, LLC, Warrants          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 5,591 [8],[10],[18] 5,591 [9],[11],[21]      
Cost $ 72,000 [8],[10],[18] $ 72,000 [9],[11],[21]      
Fair Value $ 3,000 [8],[10],[18] $ 3,000 [9],[11],[21]      
Percentage of Total Net Assets 0.00% [1],[8],[10],[18] 0.00% [2],[9],[11],[21]      
Investment, Identifier [Axis]: Victoria Bidco Limited, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.50% [4],[17],[18],[36] 6.50% [6],[20],[21],[37]      
Interest 11.20% [4],[17],[18],[36] 11.70% [6],[20],[21],[37]      
Investment Owned, Balance, Principal Amount $ 4,024,000 [4],[17],[18],[36] $ 3,904,000 [6],[20],[21],[37]      
Cost 4,085,000 [4],[17],[18],[36] 4,081,000 [6],[20],[21],[37]      
Fair Value $ 3,923,000 [4],[17],[18],[36] $ 3,787,000 [6],[20],[21],[37]      
Percentage of Total Net Assets 0.30% [1],[4],[17],[18],[36] 0.30% [2],[6],[20],[21],[37]      
Investment, Identifier [Axis]: Vision Solutions Inc., Second Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 7.25% [8],[16],[17] 7.25% [9],[19],[20]      
Interest 11.80% [8],[16],[17] 12.10% [9],[19],[20]      
Investment Owned, Balance, Principal Amount $ 6,500,000 [8],[16],[17] $ 6,500,000 [9],[19],[20]      
Cost 6,497,000 [8],[16],[17] 6,497,000 [9],[19],[20]      
Fair Value $ 6,237,000 [8],[16],[17] $ 6,256,000 [9],[19],[20]      
Percentage of Total Net Assets 0.50% [1],[8],[16],[17] 0.50% [2],[9],[19],[20]      
Investment, Identifier [Axis]: Vista Global Holding Ltd, Structured Secured Note - Class C          
Schedule of Investments [Line Items]          
Interest 9.50% [4],[18] 9.50% [6],[21]      
Investment Owned, Balance, Principal Amount $ 500,000 [4],[18] $ 500,000 [6],[21]      
Cost 500,000 [4],[18] 500,000 [6],[21]      
Fair Value $ 499,000 [4],[18] $ 495,000 [6],[21]      
Percentage of Total Net Assets 0.00% [1],[4],[18] 0.00% [2],[6],[21]      
Investment, Identifier [Axis]: VistaJet Pass Through Trust 2021-1B, Structured Secured Note - Class B          
Schedule of Investments [Line Items]          
Interest 6.30% [18] 6.30% [21]      
Investment Owned, Balance, Principal Amount $ 2,857,000 [18] $ 3,214,000 [21]      
Cost 2,857,000 [18] 3,214,000 [21]      
Fair Value $ 2,811,000 [18] $ 3,160,000 [21]      
Percentage of Total Net Assets 0.20% [1],[18] 0.30% [2],[21]      
Investment, Identifier [Axis]: Vital Buyer, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.50% [16],[17],[18] 5.50% [19],[20],[21]      
Interest 9.00% [16],[17],[18] 10.00% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 18,062,000 [16],[17],[18] $ 7,329,000 [19],[20],[21]      
Cost 17,881,000 [16],[17],[18] 7,249,000 [19],[20],[21]      
Fair Value $ 17,881,000 [16],[17],[18] $ 7,241,000 [19],[20],[21]      
Percentage of Total Net Assets 1.50% [1],[16],[17],[18] 0.60% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Vital Buyer, LLC, Partnership Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 16,442.9 [18] 16,442.9 [21]      
Cost $ 164,000 [18] $ 164,000 [21]      
Fair Value $ 309,000 [18] $ 388,000 [21]      
Percentage of Total Net Assets 0.00% [1],[18] 0.00% [2],[21]      
Investment, Identifier [Axis]: W2O Holdings, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 4.75% [17],[18],[28] 4.75% [19],[20],[21]      
Interest 9.10% [17],[18],[28] 9.30% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 15,004,000 [17],[18],[28] $ 11,879,000 [19],[20],[21]      
Cost 14,911,000 [17],[18],[28] 11,803,000 [19],[20],[21]      
Fair Value $ 14,928,000 [17],[18],[28] $ 11,772,000 [19],[20],[21]      
Percentage of Total Net Assets 1.30% [1],[17],[18],[28] 1.00% [2],[19],[20],[21]      
Investment, Identifier [Axis]: WEST-NR ACQUISITIONCO, LLC, First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18],[24] 5.00% [7],[19],[20],[21]      
Interest 9.40% [16],[17],[18],[24] 9.70% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 8,587,000 [16],[17],[18],[24] $ 2,558,000 [7],[19],[20],[21]      
Cost 8,467,000 [16],[17],[18],[24] 2,500,000 [7],[19],[20],[21]      
Fair Value $ 8,465,000 [16],[17],[18],[24] $ 2,502,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.70% [1],[16],[17],[18],[24] 0.20% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: WEST-NR ACQUISITIONCO, LLC, First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18],[24] 5.00% [19],[20],[21]      
Interest 9.40% [16],[17],[18],[24] 9.70% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 1,973,000 [16],[17],[18],[24] $ 6,029,000 [19],[20],[21]      
Cost 1,812,000 [16],[17],[18],[24] 5,957,000 [19],[20],[21]      
Fair Value $ 1,817,000 [16],[17],[18],[24] $ 5,959,000 [19],[20],[21]      
Percentage of Total Net Assets 0.20% [1],[16],[17],[18],[24] 0.50% [2],[19],[20],[21]      
Investment, Identifier [Axis]: WEST-NR ACQUISITIONCO, LLC, First Lien Senior Secured Term Loan 3          
Schedule of Investments [Line Items]          
Interest [7],[19],[20],[21]   5.00%      
Interest [7],[19],[20],[21]   9.70%      
Investment Owned, Balance, Principal Amount [7],[19],[20],[21]   $ 1,978,000      
Cost [7],[19],[20],[21]   1,809,000      
Fair Value [7],[19],[20],[21]   $ 1,816,000      
Percentage of Total Net Assets [2],[7],[19],[20],[21]   0.20%      
Investment, Identifier [Axis]: WWEC Holdings III Corp, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18] 5.75% [19],[20],[21]      
Interest 9.30% [16],[17],[18] 10.40% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 12,190,000 [16],[17],[18] $ 12,221,000 [19],[20],[21]      
Cost 12,009,000 [16],[17],[18] 11,997,000 [19],[20],[21]      
Fair Value $ 12,008,000 [16],[17],[18] $ 12,050,000 [19],[20],[21]      
Percentage of Total Net Assets 1.00% [1],[16],[17],[18] 1.00% [2],[19],[20],[21]      
Investment, Identifier [Axis]: WWEC Holdings III Corp, Revolver          
Schedule of Investments [Line Items]          
Interest 5.00% [16],[17],[18],[24] 5.75% [7],[19],[20],[21]      
Interest 9.30% [16],[17],[18],[24] 10.40% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 0 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost (37,000) [16],[17],[18],[24] (35,000) [7],[19],[20],[21]      
Fair Value $ (37,000) [16],[17],[18],[24] $ (35,000) [7],[19],[20],[21]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Waccamaw River LLC, Member Interest          
Schedule of Investments [Line Items]          
Cost [5],[6]   $ 22,913,000      
Fair Value [5],[6]   $ 10,730,000      
Percentage of Total Net Assets [2],[5],[6]   0.90%      
Investment, Identifier [Axis]: Waccamaw River LLC, Member Interest          
Schedule of Investments [Line Items]          
Cost [3],[4] $ 21,165,000        
Fair Value $ 8,803,000 [3],[4] $ 10,730,000 $ 15,470,000    
Percentage of Total Net Assets [1],[3],[4] 0.70%        
Investment, Identifier [Axis]: Whitcraft Holdings, Inc., First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 5.50% [16],[17],[18] 5.50% [19],[20],[21]      
Interest 9.80% [16],[17],[18] 10.60% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 1,825,000 [16],[17],[18] $ 1,825,000 [19],[20],[21]      
Cost 1,825,000 [16],[17],[18] 1,825,000 [19],[20],[21]      
Fair Value $ 1,804,000 [16],[17],[18] $ 1,802,000 [19],[20],[21]      
Percentage of Total Net Assets 0.20% [1],[16],[17],[18] 0.20% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Whitcraft Holdings, Inc., First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 5.50% [16],[17],[18],[24] 5.50% [7],[19],[20],[21]      
Interest 9.80% [16],[17],[18],[24] 10.60% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 1,203,000 [16],[17],[18],[24] $ 0 [7],[19],[20],[21]      
Cost 1,167,000 [16],[17],[18],[24] (39,000) [7],[19],[20],[21]      
Fair Value $ 1,170,000 [16],[17],[18],[24] $ (36,000) [7],[19],[20],[21]      
Percentage of Total Net Assets 0.10% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Whitcraft Holdings, Inc., First Lien Senior Secured Term Loan 3          
Schedule of Investments [Line Items]          
Interest 6.50% [16],[17],[18] 6.50% [20],[21],[29]      
Interest 10.80% [16],[17],[18] 11.10% [20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 8,504,000 [16],[17],[18] $ 8,525,000 [20],[21],[29]      
Cost 8,256,000 [16],[17],[18] 8,265,000 [20],[21],[29]      
Fair Value $ 8,504,000 [16],[17],[18] $ 8,525,000 [20],[21],[29]      
Percentage of Total Net Assets 0.70% [1],[16],[17],[18] 0.70% [2],[20],[21],[29]      
Investment, Identifier [Axis]: Whitcraft Holdings, Inc., LP Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 63,087.1 [10],[18] 63,087.1 [11],[21]      
Cost $ 631,000 [10],[18] $ 631,000 [11],[21]      
Fair Value $ 971,000 [10],[18] $ 975,000 [11],[21]      
Percentage of Total Net Assets 0.10% [1],[10],[18] 0.10% [2],[11],[21]      
Investment, Identifier [Axis]: Whitcraft Holdings, Inc., Revolver          
Schedule of Investments [Line Items]          
Interest 6.50% [16],[17],[18],[24] 6.50% [7],[20],[21],[29]      
Interest 10.80% [16],[17],[18],[24] 11.10% [7],[20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 1,255,000 [16],[17],[18],[24] $ 993,000 [7],[20],[21],[29]      
Cost 1,206,000 [16],[17],[18],[24] 941,000 [7],[20],[21],[29]      
Fair Value $ 1,255,000 [16],[17],[18],[24] $ 993,000 [7],[20],[21],[29]      
Percentage of Total Net Assets 0.10% [1],[16],[17],[18],[24] 0.10% [2],[7],[20],[21],[29]      
Investment, Identifier [Axis]: White Bidco Limited, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.50% [4],[16],[17],[18],[24] 5.50% [6],[7],[19],[20],[21]      
Interest 9.80% [4],[16],[17],[18],[24] 10.20% [6],[7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 1,749,000 [4],[16],[17],[18],[24] $ 1,749,000 [6],[7],[19],[20],[21]      
Cost 1,697,000 [4],[16],[17],[18],[24] 1,695,000 [6],[7],[19],[20],[21]      
Fair Value $ 1,749,000 [4],[16],[17],[18],[24] $ 1,747,000 [6],[7],[19],[20],[21]      
Percentage of Total Net Assets 0.10% [1],[4],[16],[17],[18],[24] 0.10% [2],[6],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Woodland Foods, LLC, Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 1,663.3 [10],[18] 1,663.3 [11],[21]      
Cost $ 1,663,000 [10],[18] $ 1,663,000 [11],[21]      
Fair Value $ 1,556,000 [10],[18] $ 1,271,000 [11],[21]      
Percentage of Total Net Assets 0.10% [1],[10],[18] 0.10% [2],[11],[21]      
Investment, Identifier [Axis]: Woodland Foods, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.50% [16],[17],[18],[24] 5.25% [19],[20],[21]      
Interest 10.00% [16],[17],[18],[24] 9.90% [19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 15,773,000 [16],[17],[18],[24] $ 6,158,000 [19],[20],[21]      
Cost 15,545,000 [16],[17],[18],[24] 6,092,000 [19],[20],[21]      
Fair Value $ 15,514,000 [16],[17],[18],[24] $ 6,097,000 [19],[20],[21]      
Percentage of Total Net Assets 1.30% [1],[16],[17],[18],[24] 0.50% [2],[19],[20],[21]      
Investment, Identifier [Axis]: Woodland Foods, LLC, Preferred Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) [21]   364.00      
Investment, interest rate, paid in kind [21]   20.00%      
Cost [21]   $ 427,000      
Fair Value [21]   $ 427,000      
Percentage of Total Net Assets [2],[21]   0.00%      
Investment, Identifier [Axis]: Woodland Foods, LLC, Preferred Stock 1          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) [18] 364.00        
Investment, interest rate, paid in kind [18] 20.00%        
Cost [18] $ 448,000        
Fair Value [18] $ 448,000        
Percentage of Total Net Assets [1],[18] 0.00%        
Investment, Identifier [Axis]: Woodland Foods, LLC, Preferred Stock 2          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) [18] 94.60        
Investment, interest rate, paid in kind [18] 20.00%        
Cost [18] $ 124,000        
Fair Value [18] $ 124,000        
Percentage of Total Net Assets [1],[18] 0.00%        
Investment, Identifier [Axis]: Woodland Foods, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 5.50% [16],[17],[18],[24] 5.25% [7],[19],[20],[21]      
Interest 10.00% [16],[17],[18],[24] 9.90% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 911,000 [16],[17],[18],[24] $ 1,065,000 [7],[19],[20],[21]      
Cost 880,000 [16],[17],[18],[24] 1,041,000 [7],[19],[20],[21]      
Fair Value $ 869,000 [16],[17],[18],[24] $ 1,043,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.10% [1],[16],[17],[18],[24] 0.10% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: World 50, Inc., First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.75% [16],[17],[18] 5.75% [20],[21],[29]      
Interest 10.00% [16],[17],[18] 10.30% [20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 13,862,000 [16],[17],[18] $ 13,897,000 [20],[21],[29]      
Cost 13,620,000 [16],[17],[18] 13,645,000 [20],[21],[29]      
Fair Value $ 13,862,000 [16],[17],[18] $ 13,785,000 [20],[21],[29]      
Percentage of Total Net Assets 1.20% [1],[16],[17],[18] 1.20% [2],[20],[21],[29]      
Investment, Identifier [Axis]: World 50, Inc., Revolver          
Schedule of Investments [Line Items]          
Interest 5.75% [16],[17],[18],[24] 5.75% [7],[20],[21],[29]      
Interest 10.00% [16],[17],[18],[24] 10.30% [7],[20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 0 [16],[17],[18],[24] $ 0 [7],[20],[21],[29]      
Cost (16,000) [16],[17],[18],[24] (17,000) [7],[20],[21],[29]      
Fair Value $ 0 [16],[17],[18],[24] $ (8,000) [7],[20],[21],[29]      
Percentage of Total Net Assets 0.00% [1],[16],[17],[18],[24] 0.00% [2],[7],[20],[21],[29]      
Investment, Identifier [Axis]: Xeinadin Bidco Limited, Common Stock          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 45,665,825 [4],[10],[18] 45,665,825 [6],[11],[21]      
Cost $ 565,000 [4],[10],[18] $ 565,000 [6],[11],[21]      
Fair Value $ 589,000 [4],[10],[18] $ 572,000 [6],[11],[21]      
Percentage of Total Net Assets 0.00% [1],[4],[10],[18] 0.00% [2],[6],[11],[21]      
Investment, Identifier [Axis]: Xeinadin Bidco Limited, First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest 5.50% [4],[17],[18],[33] 5.25% [6],[20],[21],[32]      
Interest 8.40% [4],[17],[18],[33] 8.20% [6],[20],[21],[32]      
Investment Owned, Balance, Principal Amount $ 302,000 [4],[17],[18],[33] $ 290,000 [6],[20],[21],[32]      
Cost 305,000 [4],[17],[18],[33] 305,000 [6],[20],[21],[32]      
Fair Value $ 298,000 [4],[17],[18],[33] $ 283,000 [6],[20],[21],[32]      
Percentage of Total Net Assets 0.00% [1],[4],[17],[18],[33] 0.00% [2],[6],[20],[21],[32]      
Investment, Identifier [Axis]: Xeinadin Bidco Limited, First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest 5.50% [4],[17],[18],[36] 5.25% [6],[20],[21],[37]      
Interest 10.20% [4],[17],[18],[36] 10.00% [6],[20],[21],[37]      
Investment Owned, Balance, Principal Amount $ 9,083,000 [4],[17],[18],[36] $ 8,813,000 [6],[20],[21],[37]      
Cost 8,666,000 [4],[17],[18],[36] 8,657,000 [6],[20],[21],[37]      
Fair Value $ 8,956,000 [4],[17],[18],[36] $ 8,598,000 [6],[20],[21],[37]      
Percentage of Total Net Assets 0.80% [1],[4],[17],[18],[36] 0.70% [2],[6],[20],[21],[37]      
Investment, Identifier [Axis]: Xeinadin Bidco Limited, Subordinated Term Loan          
Schedule of Investments [Line Items]          
Investment, interest rate, paid in kind 11.00% [4],[18] 11.00% [6],[21]      
Investment Owned, Balance, Principal Amount $ 4,010,000 [4],[18] $ 3,784,000 [6],[21]      
Cost 3,809,000 [4],[18] 3,691,000 [6],[21]      
Fair Value $ 3,870,000 [4],[18] $ 3,691,000 [6],[21]      
Percentage of Total Net Assets 0.30% [1],[4],[18] 0.30% [2],[6],[21]      
Investment, Identifier [Axis]: ZB Holdco LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest [19],[20],[21]   5.50%      
Interest [19],[20],[21]   10.30%      
Investment Owned, Balance, Principal Amount [19],[20],[21]   $ 9,188,000      
Cost [19],[20],[21]   9,057,000      
Fair Value [19],[20],[21]   $ 9,053,000      
Percentage of Total Net Assets [2],[19],[20],[21]   0.80%      
Investment, Identifier [Axis]: ZB Holdco LLC, First Lien Senior Secured Term Loan 1          
Schedule of Investments [Line Items]          
Interest [16],[17],[18] 5.50%        
Interest [16],[17],[18] 10.00%        
Investment Owned, Balance, Principal Amount [16],[17],[18] $ 9,165,000        
Cost [16],[17],[18] 9,043,000        
Fair Value [16],[17],[18] $ 9,050,000        
Percentage of Total Net Assets [1],[16],[17],[18] 0.80%        
Investment, Identifier [Axis]: ZB Holdco LLC, First Lien Senior Secured Term Loan 2          
Schedule of Investments [Line Items]          
Interest [16],[17],[18],[24] 5.50%        
Interest [16],[17],[18],[24] 10.00%        
Investment Owned, Balance, Principal Amount [16],[17],[18],[24] $ 0        
Cost [16],[17],[18],[24] (21,000)        
Fair Value [16],[17],[18],[24] $ (22,000)        
Percentage of Total Net Assets [1],[16],[17],[18],[24] 0.00%        
Investment, Identifier [Axis]: ZB Holdco LLC, LLC Units          
Schedule of Investments [Line Items]          
Investment owned, balance (in shares) 152.69 [10],[18] 152.69 [11],[21]      
Cost $ 153,000 [10],[18] $ 153,000 [11],[21]      
Fair Value $ 222,000 [10],[18] $ 197,000 [11],[21]      
Percentage of Total Net Assets 0.00% [1],[10],[18] 0.00% [2],[11],[21]      
Investment, Identifier [Axis]: ZB Holdco LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 5.50% [16],[17],[18],[24] 5.50% [7],[19],[20],[21]      
Interest 10.00% [16],[17],[18],[24] 10.30% [7],[19],[20],[21]      
Investment Owned, Balance, Principal Amount $ 1,005,000 [16],[17],[18],[24] $ 507,000 [7],[19],[20],[21]      
Cost 986,000 [16],[17],[18],[24] 498,000 [7],[19],[20],[21]      
Fair Value $ 983,000 [16],[17],[18],[24] $ 495,000 [7],[19],[20],[21]      
Percentage of Total Net Assets 0.10% [1],[16],[17],[18],[24] 0.00% [2],[7],[19],[20],[21]      
Investment, Identifier [Axis]: Zeppelin Bidco Limited, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 6.50% [4],[17],[18],[36],[43] 6.25% [6],[20],[21],[37]      
Interest [6],[20],[21],[37]   11.20%      
Investment, interest rate, paid in kind [4],[17],[18],[36],[43] 11.50%        
Investment Owned, Balance, Principal Amount $ 6,246,000 [4],[17],[18],[36],[43] $ 6,060,000 [6],[20],[21],[37]      
Cost 6,262,000 [4],[17],[18],[36],[43] 6,256,000 [6],[20],[21],[37]      
Fair Value $ 2,873,000 [4],[17],[18],[36],[43] $ 4,691,000 [6],[20],[21],[37]      
Percentage of Total Net Assets 0.20% [1],[4],[17],[18],[36],[43] 0.40% [2],[6],[20],[21],[37]      
Investment, Identifier [Axis]: eShipping, LLC, First Lien Senior Secured Term Loan          
Schedule of Investments [Line Items]          
Interest 5.00% [17],[18],[28] 5.00% [20],[21],[29]      
Interest 9.30% [17],[18],[28] 9.70% [20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 3,300,000 [17],[18],[28] $ 3,465,000 [20],[21],[29]      
Cost 3,271,000 [17],[18],[28] 3,431,000 [20],[21],[29]      
Fair Value $ 3,300,000 [17],[18],[28] $ 3,465,000 [20],[21],[29]      
Percentage of Total Net Assets 0.30% [1],[17],[18],[28] 0.30% [2],[20],[21],[29]      
Investment, Identifier [Axis]: eShipping, LLC, Revolver          
Schedule of Investments [Line Items]          
Interest 5.00% [17],[18],[24],[28] 5.00% [7],[20],[21],[29]      
Interest 9.30% [17],[18],[24],[28] 9.70% [7],[20],[21],[29]      
Investment Owned, Balance, Principal Amount $ 0 [17],[18],[24],[28] $ 0 [7],[20],[21],[29]      
Cost (13,000) [17],[18],[24],[28] (14,000) [7],[20],[21],[29]      
Fair Value $ 0 [17],[18],[24],[28] $ 0 [7],[20],[21],[29]      
Percentage of Total Net Assets 0.00% [1],[17],[18],[24],[28] 0.00% [2],[7],[20],[21],[29]      
[1] Fair value as a percentage of net assets.
[2] Fair value as a percentage of net assets.
[3] Portfolio company does not issue shares or units, member interest is based on commitments.
[4] Investment is not a qualifying investment as defined under Section 55(a) of the 1940 Act. Non-qualifying assets represent 24.0% of total investments at fair value as of March 31, 2025. Qualifying assets must represent at least 70% of total assets at the time of acquisition of any additional non-qualifying assets. If at any time qualifying assets do not represent at least 70% of the Company’s total assets, the Company will be precluded from acquiring any additional non-qualifying asset until such time as it complies with the requirements of Section 55(a).
[5] Portfolio company does not issue shares or units, member interest is based on commitments.
[6] Investment is not a qualifying investment as defined under Section 55(a) of the 1940 Act. Non-qualifying assets represent 26.1% of total investments at fair value as of December 31, 2024. Qualifying assets must represent at least 70% of total assets at the time of acquisition of any additional non-qualifying assets. If at any time qualifying assets do not represent at least 70% of the Company’s total assets, the Company will be precluded from acquiring any additional non-qualifying asset until such time as it complies with the requirements of Section 55(a).
[7] Position or portion thereof is an unfunded loan or equity commitment.
[8] Investment was purchased as part of the Sierra Merger and is part of the Sierra Reference Portfolio for purposes of the Sierra Credit Support Agreement.
[9] Investment was purchased as part of the Sierra Merger and is part of the Sierra Reference Portfolio for purposes of the Sierra Credit Support Agreement.
[10] Investment is non-income producing.
[11] Investment is non-income producing.
[12] As defined in the 1940 Act, the Company is deemed to be an “affiliated person” of the portfolio company as the Company owns between 5% or more, up to 25% (inclusive), of the portfolio company’s voting securities (“non-controlled affiliate”). Transactions related to investments in non-controlled “Affiliate Investments” for the three months ended March 31, 2025 were as follows:
December 31, 2024
Value		Gross Additions
(a)		Gross Reductions (b)Amount of Realized Gain (Loss)Amount of Unrealized Gain (Loss)March 31, 2025
 Value		Amount of Interest or Dividends Credited to Income(c)
Portfolio CompanyType of Investment
Celebration Bidco, LLC(d)
First Lien Senior Secured Term Loan (SOFR + 8.00%, 12.3% PIK)
$6,414 $1,504 $— $— $(264)$7,654 $221 
Common Stock (1,243,071 shares)
11,262 — — — (2,909)8,353 — 
17,676 1,504 — — (3,173)16,007 221 
Coastal Marina Holdings, LLC(d)
Subordinated Term Loan
(8.0% Cash)
15,770 25 — — 5 15,800 353 
Subordinated Term Loan
(8.0% Cash)
7,271 10 — — 4 7,285 160 
LLC Units (3,518,097 units)
16,852 — — — 3,131 19,983 — 
39,893 35 — — 3,140 43,068 513 
Eclipse Business Capital, LLC(d)
Revolver (SOFR + 6.50%, 10.9% Cash)
10,091 1,727 (547)— 2 11,273 282 
Second Lien Senior Secured Term Loan (7.5% Cash)
4,545 2 — — (2)4,545 87 
LLC units (89,447,396 units)
136,855 23 — — (23)136,855 3,989 
151,491 1,752 (547)— (23)152,673 4,358 
Jocassee Partners LLC
9.1% Member Interest
40,761 — — — (936)39,825 1,427 
40,761 — — — (936)39,825 1,427 
Rocade Holdings LLC(d)
Preferred LP Units (71,000 units) (SOFR + 6.0% PIK, 10.4% PIK)
83,000 2,114 — — (13)85,101 2,114 
Common LP Units (23.8 units)
243 — — — 247 490 — 
83,243 2,114 — — 234 85,591 2,114 
Sierra Senior Loan Strategy JV I LLC
89.01% Member Interest
41,453 — — — (905)40,548 1,767 
41,453 — — — (905)40,548 1,767 
Skyvault Holdings LLC(d)
First Lien Senior Secured Term Loan (12.0% PIK)
3,586 8,553 — — — 12,139 145 
LLC Units (1,195,449.6 units)
1,195 2,860 — — (9)4,046 — 
4,781 11,413 — — (9)16,185 145 
Thompson Rivers LLC
16.0% Member Interest
7,208 — (959)— (12)6,237 — 
7,208 — (959)— (12)6,237 — 
Waccamaw River LLC
20% Member Interest
10,730 — (1,750)— (177)8,803 301 
10,730 — (1,750)— (177)8,803 301 
Total Affiliate Investments$397,236 $16,818 $(3,256)$— $(1,861)$408,937 $10,846 
(a)     Gross additions include increases in the cost basis of investments resulting from new investments, follow-on investments, payment-in-kind interest or dividends, the amortization of any unearned income or discounts on debt investments, as applicable.
(b)    Gross reductions include decreases in the total cost basis of investments resulting from principal repayments, sales and return of capital.
(c) Represents the total amount of interest, fees or dividends credited to income for the portion of the year an investment was included in the Affiliate category.
(d) The fair value of the investment was determined using significant unobservable inputs.
[13] As defined in the 1940 Act, the Company is deemed to be an “affiliated person” of the portfolio company as the Company owns between 5% or more, up to 25% (inclusive), of the portfolio company’s voting securities (“non-controlled affiliate”). Transactions related to investments in non-controlled “Affiliate Investments” for the year ended December 31, 2024 were as follows:
December 31, 2023
Value		Gross Additions
(a)		Gross Reductions (b)Amount of Realized Gain (Loss)Amount of Unrealized Gain (Loss)December 31, 2024
 Value		Amount of Interest or Dividends Credited to Income(c)
Portfolio CompanyType of Investment
Celebration Bidco, LLC(d)
First Lien Senior Secured Term Loan (SOFR + 8.00%, 12.6% PIK)
$6,214 $200 $— $— $— $6,414 $837 
Common Stock (1,243,071 shares)
12,177 — — — (915)11,262 — 
18,391 200 — — (915)17,676 837 
Coastal Marina Holdings, LLC(d)
Subordinated Term Loan
(8.0% Cash)
15,649 95 — — 26 15,770 1,428 
Subordinated Term Loan
(8.0% Cash)
6,868 403 — — — 7,271 711 
LLC Units (3,518,097 units)
12,160 5,551 — — (859)16,852 — 
34,677 6,049 — — (833)39,893 2,139 
Eclipse Business Capital, LLC(d)
Revolver (SOFR + 7.25%, 11.9% Cash)
5,545 27,656 (23,091)— (19)10,091 817 
Second Lien Senior Secured Term Loan (7.5% Cash)
4,545 6 — — (6)4,545 323 
LLC units (89,447,396 units)
145,799 66 — — (9,010)136,855 14,894 
155,889 27,728 (23,091)— (9,035)151,491 16,034 
Hylan Datacom & Electrical LLC(d)
First Lien Senior Secured Term Loan (SOFR + 8.00%, 13.4% Cash)
3,917 172 (3,917)— (172)— 311 
Second Lien Senior Secured Term Loan (SOFR + 3.00%, 8.5% Cash)
4,519 161 (4,680)— — — 181 
Common Stock
(102,144 shares)
2,013 — (1,040)(4,179)3,206 — — 
10,449 333 (9,637)(4,179)3,034 — 492 
Jocassee Partners LLC
9.1% Member Interest
41,053 — — — (292)40,761 5,709 
41,053 — — — (292)40,761 5,709 
Rocade Holdings LLC(d)
Preferred LP Units (71,000 units) (SOFR + 6.00% PIK, 10.3% PIK)
73,113 12,098 (2,222)— 11 83,000 8,598 
Common LP Units (23.8 units)
844 — — — (601)243 — 
73,957 12,098 (2,222)— (590)83,243 8,598 
Sierra Senior Loan Strategy JV I LLC
89.01% Member Interest
39,172 — — — 2,281 41,453 2,225 
39,172 — — — 2,281 41,453 2,225 
Skyvault Holdings LLC(d)
First Lien Senior Secured Term Loan (12.0% PIK)
— 3,586 — — — 3,586 36 
LLC Units (1,195,449.6 units)
— 1,195 — — — 1,195 — 
— 4,781 — — — 4,781 36 
Thompson Rivers LLC
16% Member Interest
13,365 — (5,991)— (166)7,208 — 
13,365 — (5,991)— (166)7,208 — 
December 31, 2023
Value		Gross Additions
(a)		Gross Reductions (b)Amount of Realized Gain (Loss)Amount of Unrealized Gain (Loss)December 31, 2024
 Value		Amount of Interest or Dividends Credited to Income(c)
Portfolio CompanyType of Investment
Waccamaw River LLC
20% Member Interest
15,470 — (2,087)— (2,653)10,730 3,535 
15,470 — (2,087)— (2,653)10,730 3,535 
Total Affiliate Investments$402,423 $51,189 $(43,028)$(4,179)$(9,169)$397,236 $39,605 
(a)     Gross additions include increases in the cost basis of investments resulting from new investments, follow-on investments, payment-in-kind interest or dividends, the amortization of any unearned income or discounts on debt investments, as applicable.
(b)    Gross reductions include decreases in the total cost basis of investments resulting from principal repayments, sales and return of capital.
(c) Represents the total amount of interest, fees or dividends credited to income for the portion of the year an investment was included in the Affiliate category.
(d) The fair value of the investment was determined using significant unobservable inputs.
[14] As defined in the 1940 Act, the Company is deemed to be both an “affiliated person” and “control” the portfolio company because it owns more than 25% of the portfolio company’s outstanding voting securities or it has the power to exercise control over the management or policies of such portfolio company (including through a management agreement). Transactions as of and during the three months ended March 31, 2025 in which the portfolio company is deemed to be a “Control Investment” of the Company were as follows:
December 31, 2024
Value		Gross Additions
(a)		Gross Reductions (b)Amount of Realized Gain (Loss)Amount of Unrealized Gain (Loss)March 31, 2025
 Value		Amount of Interest or Dividends Credited to Income(c)
Portfolio CompanyType of Investment
Black Angus Steakhouses, LLC(d)
First Lien Senior Secured Term Loan (14.4% PIK)(e)
$2,744 $— $— $— $(105)$2,639 $— 
First Lien Senior Secured Term Loan (10.0% PIK)(e)
— — — — — — — 
LLC Units (44.6 units)
— — — — — — — 
2,744 — — — (105)2,639 — 
MVC Automotive Group GmbH(d)
Common Equity Interest (18,000 Shares)
13,741 — — — 203 13,944 — 
13,741 — — — 203 13,944 — 
MVC Private Equity Fund LP
General Partnership Interest
(1,831.4 units)
— — — (183)183 — — 
Limited Partnership Interest
(71,790.4 units)
11 — (116)(7,166)7,271 — — 
11 — (116)(7,349)7,454 — — 
Security Holdings B.V(d)
Bridge Loan (5.0% PIK)
6,655 — — — — 6,655 83 
Revolver (6.0% PIK)
5,333 165 (3)2 228 5,725 85 
Senior Subordinated Term Loan (3.1% PIK)
11,191 154 — — — 11,345 88 
Senior Unsecured Term Loan (9.0% PIK)
2,293 107 — — 100 2,500 94 
Common Stock Series A (17,100 shares)
399 — — — 50 449 — 
Common Stock Series B (1,236 shares)
37,296 — — — 4,699 41,995 — 
63,167 426 (3)2 5,077 68,669 350 
Total Control Investments$79,663 $426 $(119)$(7,347)$12,629 $85,252 $350 
(a) Gross additions include increases in the cost basis of investments resulting from new investments, follow-on investments, payment-in-kind interest or dividends, the amortization of any unearned income or discounts on debt investments, as applicable.
(b)     Gross reductions include decreases in the total cost basis of investments resulting from principal repayments, sales and return of capital.
(c)    Represents the total amount of interest, fees or dividends credited to income for the portion of the year an investment was included in the Control category.
(d) The fair value of the investment was determined using significant unobservable inputs.
(e) Non-accrual investment.
[15] As defined in the 1940 Act, the Company is deemed to be both an “affiliated person” and “control” the portfolio company because it owns more than 25% of the portfolio company’s outstanding voting securities or it has the power to exercise control over the management or policies of such portfolio company (including through a management agreement). Transactions as of and during the year ended December 31, 2024 in which the portfolio company is deemed to be a “Control Investment” of the Company were as follows:
December 31, 2023
Value		Gross Additions
(a)		Gross Reductions (b)Amount of Realized Gain (Loss)Amount of Unrealized Gain (Loss)December 31, 2024
 Value		Amount of Interest or Dividends Credited to Income(c)
Portfolio CompanyType of Investment
Black Angus Steakhouses, LLC(d)
First Lien Senior Secured Term Loan (14.4% PIK)(e)
$7,166 $1,114 $— $— $(5,536)$2,744 $1,028 
First Lien Senior Secured Term Loan (10.0% PIK)(e)
4,869 — — — (4,869)— — 
LLC Units (44.6 units)
— — — — — — — 
12,035 1,114 — — (10,405)2,744 1,028 
MVC Automotive Group GmbH(d)
Bridge Loan (4.5% Cash, 1.5% PIK)
9,762 720 (9,620)(862)— — 495 
Common Equity Interest (18,000 Shares)
15,430 9,620 — — (11,309)13,741 — 
25,192 10,340 (9,620)(862)(11,309)13,741 495 
MVC Private Equity Fund LP
General Partnership Interest
(1,831.4 units)
24 — (17)— (7)— 48 
Limited Partnership Interest
(71,790.4 units)
981 — (678)— (292)11 — 
1,005 — (695)— (299)11 48 
Security Holdings B.V(d)
Bridge Loan (5.0% PIK)
6,328 327 — — — 6,655 326 
Revolver (6.0% Cash)
3,866 1,828 (12)17 (366)5,333 188 
Senior Subordinated Term Loan (3.1% PIK)
10,867 324 — — — 11,191 273 
Senior Unsecured Term Loan (6.0% Cash, 9.0% PIK)
2,236 208 — — (151)2,293 255 
Common Stock Series A (17,100 shares)
311 — — — 88 399 — 
Common Stock Series B (1,236 shares)
29,080 — — — 8,216 37,296 — 
52,688 2,687 (12)17 7,787 63,167 1,042 
Total Control Investments$90,920 $14,141 $(10,327)$(845)$(14,226)$79,663 $2,613 
(a) Gross additions include increases in the cost basis of investments resulting from new investments, follow-on investments, payment-in-kind interest or dividends, the amortization of any unearned income or discounts on debt investments, as applicable.
(b)     Gross reductions include decreases in the total cost basis of investments resulting from principal repayments, sales and return of capital.
(c)    Represents the total amount of interest, fees or dividends credited to income for the portion of the year an investment was included in the Control category.
(d) The fair value of the investment was determined using significant unobservable inputs.
(e) Non-accrual investment.
[16] The interest rate on these loans is subject to 3 Month SOFR, which as of March 31, 2025 was 4.28788%.
[17] Debt investment includes interest rate floor feature.
[18] The fair value of the investment was determined using significant unobservable inputs.
[19] The interest rate on these loans is subject to 3 Month SOFR, which as of December 31, 2024 was 4.30510%.
[20] Debt investment includes interest rate floor feature.
[21] The fair value of the investment was determined using significant unobservable inputs.
[22] PIK non-accrual investment.
[23] PIK non-accrual investment.
[24] Position or portion thereof is an unfunded loan or equity commitment.
[25] The interest rate on these loans is subject to 3 Month EURIBOR, which as of March 31, 2025 was 2.33600%.
[26] The interest rate on these loans is subject to 3 Month EURIBOR, which as of December 31, 2024 was 2.71400%.
[27] The interest rate on these loans is subject to 6 Month BBSY, which as of December 31, 2024 was 4.49250%.
[28] The interest rate on these loans is subject to 1 Month SOFR, which as of March 31, 2025 was 4.31937%.
[29] The interest rate on these loans is subject to 1 Month SOFR, which as of December 31, 2024 was 4.33249%.
[30] The interest rate on these loans is subject to 6 Month SOFR, which as of March 31, 2025 was 4.19259%.
[31] The interest rate on these loans is subject to 6 Month SOFR, which as of December 31, 2024 was 4.25001%.
[32] The interest rate on these loans is subject to 6 Month EURIBOR, which as of December 31, 2024 was 2.56800%.
[33] The interest rate on these loans is subject to 6 Month EURIBOR, which as of March 31, 2025 was 2.33600%.
[34] The interest rate on these loans is subject to 3 Month SONIA, which as of December 31, 2024 was 4.62330%.
[35] The interest rate on these loans is subject to 3 Month SONIA, which as of March 31, 2025 was 4.35650%.
[36] The interest rate on these loans is subject to 6 Month SONIA, which as of March 31, 2025 was 4.27950%.
[37] The interest rate on these loans is subject to 6 Month SONIA, which as of December 31, 2024 was 4.56370%.
[38] The interest rate on these loans is subject to 3 Month BBSY, which as of March 31, 2025 was 4.12540%.
[39] The interest rate on these loans is subject to 3 Month BBSY, which as of December 31, 2024 was 4.41630%.
[40] The interest rate on these loans is subject to 1 Month EURIBOR, which as of March 31, 2025 was 2.35800%.
[41] The interest rate on these loans is subject to 1 Month EURIBOR, which as of December 31, 2024 was 2.84500%.
[42] The interest rate on these loans is subject to 3 Month STIBOR, which as of December 31, 2024 was 2.54200%.
[43] Non-accrual investment.
[44] Non-accrual investment.
[45] Non-accrual investment.
[46] The fair value of the investment was determined using significant unobservable inputs.
[47] The fair value of the investment was determined using significant unobservable inputs.
[48] The Sierra Credit Support Agreement covers all of the investments acquired by the Company from Sierra in connection with the Sierra Merger and any investments received by the Company in connection with the restructuring, amendment, extension or other modification (including the issuance of new securities) of any of the Sierra Reference Portfolio. Each investment that is included in the Sierra Reference Portfolio is denoted in the above Schedule of Investments with footnote (28).
[49] The interest rate on these loans is subject to 1 Month SONIA, which as of March 31, 2025 was 4.46580%.
[50] The interest rate on these loans is subject to 1 Month SONIA, which as of December 31, 2024 was 4.71030%.
[51] The interest rate on these loans is subject to 3 Month CORRA, which as of March 31, 2025 was 2.77000%.
[52] The interest rate on these loans is subject to 3 Month CORRA, which as of December 31, 2024 was 3.15158%.
[53] The fair value of the investment was determined using significant unobservable inputs.
[54] The fair value of the investment was determined using significant unobservable inputs.
[55] The interest rate on these loans is subject to 3 Month BKBM, which as of March 31, 2025 was 3.67000%.
[56] The interest rate on these loans is subject to 3 Month BKBM, which as of December 31, 2024 was 4.27000%.
[57] The interest rate on these loans is subject to 3 Month SARON, which as of March 31, 2025 was 0.41000%
[58] The interest rate on these loans is subject to 6 Month SARON, which as of December 31, 2024 was 1.01720%.
[59] Investment was purchased as part of the MVC Acquisition and is part of the MVC Reference Portfolio for purposes of the MVC Credit Support Agreement.
[60] Investment was purchased as part of the MVC Acquisition and is part of the MVC Reference Portfolio for purposes of the MVC Credit Support Agreement.
[61] The interest rate on these loans is subject to 1 Month NIBOR, which as of March 31, 2025 was 4.49000%.
[62] The interest rate on these loans is subject to 1 Month NIBOR, which as of December 31, 2024 was 4.61000%.
[63] The interest rate on these loans is subject to 1 Month BBSY, which as of March 31, 2025 was 4.09500%.
[64] The interest rate on these loans is subject to 1 Month BBSY, which as of December 31, 2024 was 4.32250%.
[65] The interest rate on these loans is subject to 6 Month SARON, which as of March 31, 2025 was 0.20632%.
[66] The interest rate on these loans is subject to 3 Month STIBOR, which as of March 31, 2025 was 2.35700%.