Quarterly report [Sections 13 or 15(d)]

CONSOLIDATED SCHEDULE OF INVESTMENTS (Parentheticals)

v3.25.2
CONSOLIDATED SCHEDULE OF INVESTMENTS (Parentheticals) - USD ($)
$ in Thousands
Jun. 30, 2025
Sep. 30, 2024
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 158.30% [1],[2],[3],[4] 169.10% [5],[6],[7],[8],[9]
Investments owned, fair value $ 751,260 $ 796,260 [9]
Percentage threshold of qualified assets representing total assets in order to acquire non-qualified assets 70.00% 70.00%
Percentage of acquired non-qualifying assets of total assets 0.70% 0.10%
Debt instrument, leverage maturity, terms 2 years 2 years
Cumulative gross unrealized depreciation   $ 66,100
Cumulative net unrealized appreciation   85,800
Cumulative gross unrealized depreciation for federal income tax purposes   19,700
Based on a tax cost   776,500
Cost $ 777,851 $ 771,011 [9]
Secured Overnight Financing Rate (SOFR)    
Schedule of Investments [Line Items]    
Investment, interest rate, paid in cash 4.32% 4.85%
Secured Overnight Financing Rate (SOFR) _90 day    
Schedule of Investments [Line Items]    
Investment, interest rate, paid in cash 4.29% 4.59%
Collateral Pledged    
Schedule of Investments [Line Items]    
Investments owned, fair value $ 667,700 $ 714,400
Aerospace and Defense    
Schedule of Investments [Line Items]    
Investments owned, fair value 16,975 153,096
Beverage, Food, and Tobacco    
Schedule of Investments [Line Items]    
Investments owned, fair value 56,001 88,327
Diversified/Conglomerate Manufacturing    
Schedule of Investments [Line Items]    
Investments owned, fair value 174,470 160,264
Diversified/Conglomerate Service    
Schedule of Investments [Line Items]    
Investments owned, fair value 110,727 179,032
Healthcare, Education, and Childcare    
Schedule of Investments [Line Items]    
Investments owned, fair value 272,883 101,707
Machinery    
Schedule of Investments [Line Items]    
Investments owned, fair value 25,831 21,816
Oil and Gas    
Schedule of Investments [Line Items]    
Investments owned, fair value 18,463 20,554
Automobile    
Schedule of Investments [Line Items]    
Investments owned, fair value 27,147 28,286
Cargo Transportation    
Schedule of Investments [Line Items]    
Investments owned, fair value 20,000 20,200
Printing and Publishing    
Schedule of Investments [Line Items]    
Investments owned, fair value 5,445 4,312
Secured first lien debt    
Schedule of Investments [Line Items]    
Investments owned, fair value 529,149 554,937
Cost 555,347 580,736
Secured second lien debt    
Schedule of Investments [Line Items]    
Investments owned, fair value 144,299 113,716
Cost 144,231 113,691
Unsecured debt    
Schedule of Investments [Line Items]    
Investments owned, fair value 354 32
Cost 543 198
Preferred Equity    
Schedule of Investments [Line Items]    
Investments owned, fair value 25,717 31,346
Cost 37,279 45,017
Common Equity/ Equivalents    
Schedule of Investments [Line Items]    
Investments owned, fair value 51,741 96,229
Cost $ 40,451 $ 31,369
Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 134.70% [1],[2],[3],[4],[10] 159.50% [5],[6],[7],[8],[11]
Investments owned, fair value $ 639,003 [10] $ 750,904 [11]
Cost $ 638,993 [10] $ 716,481 [11]
Non-Control/Non-Affiliate investments | Secured first lien debt    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 96.70% [1],[2],[3],[4],[10] 114.80% [5],[6],[7],[8],[11]
Investments owned, fair value $ 458,578 [10] $ 540,661 [11]
Cost $ 465,314 [10] $ 555,941 [11]
Non-Control/Non-Affiliate investments | Secured first lien debt | Aerospace and Defense    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 3.30% [1],[2],[3],[4],[10] 19.70% [5],[6],[7],[8],[11]
Investments owned, fair value [11]   $ 92,587
Cost [11]   $ 92,206
Non-Control/Non-Affiliate investments | Secured first lien debt | Beverage, Food, and Tobacco    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 2.20% [1],[2],[3],[4],[10] 15.20% [5],[6],[7],[8],[11]
Investments owned, fair value $ 10,460 [10] $ 71,349 [11]
Cost $ 10,500 [10] $ 76,136 [11]
Non-Control/Non-Affiliate investments | Secured first lien debt | Buildings and Real Estate    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.50% [1],[2],[3],[4],[10] 0.50% [5],[6],[7],[8],[11]
Investments owned, fair value $ 2,355 [10] $ 2,355 [11]
Cost $ 2,355 [10] $ 2,355 [11]
Non-Control/Non-Affiliate investments | Secured first lien debt | Diversified/Conglomerate Manufacturing    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 22.10% [1],[2],[3],[4],[10] 24.20% [5],[6],[7],[8],[11]
Investments owned, fair value $ 104,861 [10] $ 113,756 [11]
Cost $ 104,760 [10] $ 117,153 [11]
Non-Control/Non-Affiliate investments | Secured first lien debt | Diversified/Conglomerate Service    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 20.70% [1],[2],[3],[4],[10] 30.90% [5],[6],[7],[8],[11]
Investments owned, fair value $ 98,178 [10] $ 145,716 [11]
Cost $ 98,327 [10] $ 148,013 [11]
Non-Control/Non-Affiliate investments | Secured first lien debt | Healthcare, Education, and Childcare    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 43.50% [1],[2],[3],[4],[10] 20.20% [5],[6],[7],[8],[11]
Investments owned, fair value $ 206,438 [10] $ 95,010 [11]
Cost $ 208,521 [10] $ 95,110 [11]
Non-Control/Non-Affiliate investments | Secured first lien debt | Machinery    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 3.70% [1],[2],[3],[4],[10] 3.60% [5],[6],[7],[8],[11]
Investments owned, fair value $ 17,395 [10] $ 17,000 [11]
Cost $ 17,075 [10] $ 17,000 [11]
Non-Control/Non-Affiliate investments | Secured first lien debt | Oil and Gas    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.00% [1],[2],[3],[4],[10] 0.00% [5],[6],[7],[8],[11]
Non-Control/Non-Affiliate investments | Secured first lien debt | Telecommunications    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.70% [1],[2],[3],[4],[10] 0.50% [5],[6],[7],[8],[11]
Investments owned, fair value $ 3,210 [10] $ 2,725 [11]
Cost $ 7,770 [10] $ 7,643 [11]
Non-Control/Non-Affiliate investments | Secured second lien debt    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 28.60% [1],[2],[3],[4],[10] 22.30% [5],[6],[7],[8],[11]
Investments owned, fair value $ 135,507 [10] $ 105,169 [11]
Cost $ 135,439 [10] $ 105,144 [11]
Non-Control/Non-Affiliate investments | Secured second lien debt | Beverage, Food, and Tobacco    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 4.50% [1],[2],[3],[4],[10] 0.70% [5],[6],[7],[8],[11]
Investments owned, fair value [10] $ 21,561  
Cost [10] $ 21,683  
Non-Control/Non-Affiliate investments | Secured second lien debt | Diversified/Conglomerate Manufacturing    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 7.90% [1],[2],[3],[4],[10] 6.90% [5],[6],[7],[8],[11]
Investments owned, fair value $ 37,326 [10] $ 32,303 [11]
Cost $ 37,276 [10] $ 32,159 [11]
Non-Control/Non-Affiliate investments | Secured second lien debt | Diversified/Conglomerate Service    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets [5],[6],[7],[8],[11]   3.20%
Non-Control/Non-Affiliate investments | Secured second lien debt | Healthcare, Education, and Childcare    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets [1],[2],[3],[4],[10] 4.90%  
Non-Control/Non-Affiliate investments | Secured second lien debt | Oil and Gas    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 3.30% [1],[2],[3],[4],[10] 3.80% [5],[6],[7],[8],[11]
Non-Control/Non-Affiliate investments | Secured second lien debt | Automobile    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 3.80% [1],[2],[3],[4],[10] 3.40% [5],[6],[7],[8],[11]
Investments owned, fair value $ 17,795 [10] $ 16,410 [11]
Cost $ 17,795 [10] $ 16,393 [11]
Non-Control/Non-Affiliate investments | Secured second lien debt | Cargo Transportation    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 4.20% [1],[2],[3],[4],[10] 4.30% [5],[6],[7],[8],[11]
Investments owned, fair value [11]   $ 20,200
Cost [11]   $ 20,000
Non-Control/Non-Affiliate investments | Unsecured debt    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.00% [1],[2],[3],[4],[10] 0.10% [5],[6],[7],[8],[11]
Non-Control/Non-Affiliate investments | Unsecured debt | Diversified/Conglomerate Service    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.00% [1],[2],[3],[4],[10] 0.10% [5],[6],[7],[8],[11]
Non-Control/Non-Affiliate investments | Preferred Equity    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 3.80% [1],[2],[3],[4],[10] 5.80% [5],[6],[7],[8],[11]
Investments owned, fair value $ 18,126 [10] $ 27,247 [11]
Cost $ 24,723 [10] $ 32,461 [11]
Non-Control/Non-Affiliate investments | Preferred Equity | Beverage, Food, and Tobacco    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.00% [1],[2],[3],[4],[10] 2.00% [5],[6],[7],[8],[11]
Investments owned, fair value [11]   $ 9,617
Cost [11]   $ 7,075
Non-Control/Non-Affiliate investments | Preferred Equity | Buildings and Real Estate    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.00% [1],[2],[3],[4],[10] 0.00% [5],[6],[7],[8],[11]
Non-Control/Non-Affiliate investments | Preferred Equity | Diversified/Conglomerate Manufacturing    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.50% [1],[2],[3],[4],[10] 0.10% [5],[6],[7],[8],[11]
Non-Control/Non-Affiliate investments | Preferred Equity | Diversified/Conglomerate Service    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.90% [1],[2],[3],[4],[10] 2.90% [5],[6],[7],[8],[11]
Investments owned, fair value $ 4,134 [10] $ 13,536 [11]
Cost $ 3,500 [10] $ 10,500 [11]
Non-Control/Non-Affiliate investments | Preferred Equity | Healthcare, Education, and Childcare    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 1.80% [1],[2],[3],[4],[10] 0.20% [5],[6],[7],[8],[11]
Investments owned, fair value [10] $ 8,350  
Cost [10] $ 8,513  
Non-Control/Non-Affiliate investments | Preferred Equity | Oil and Gas    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.50% [1],[2],[3],[4],[10] 0.50% [5],[6],[7],[8],[11]
Investments owned, fair value $ 2,609 [10] $ 2,275 [11]
Cost $ 6,838 [10] $ 6,838 [11]
Non-Control/Non-Affiliate investments | Preferred Equity | Telecommunications    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.00% [1],[2],[3],[4],[10] 0.00% [5],[6],[7],[8],[11]
Non-Control/Non-Affiliate investments | Preferred Equity | Automobile    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.10% [1],[2],[3],[4],[10] 0.10% [5],[6],[7],[8],[11]
Non-Control/Non-Affiliate investments | Common Equity/ Equivalents    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 5.60% [1],[2],[3],[4],[10] 16.50% [5],[6],[7],[8],[11]
Investments owned, fair value $ 26,772 [10] $ 77,795 [11]
Cost $ 13,319 [10] $ 22,737 [11]
Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | Aerospace and Defense    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.30% [1],[2],[3],[4],[10] 12.80% [5],[6],[7],[8],[11]
Investments owned, fair value [11]   $ 60,509
Cost [11]   $ 5,283
Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | Beverage, Food, and Tobacco    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 1.20% [1],[2],[3],[4],[10] 0.90% [5],[6],[7],[8],[11]
Investments owned, fair value $ 5,867 [10] $ 4,120 [11]
Cost $ 1,600 [10] $ 1,750 [11]
Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | Buildings and Real Estate    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.00% [1],[2],[3],[4],[10] 0.00% [5],[6],[7],[8],[11]
Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | Diversified/Conglomerate Manufacturing    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.30% [1],[2],[3],[4],[10] 0.20% [5],[6],[7],[8],[11]
Investments owned, fair value $ 1,439 [10] $ 859 [11]
Cost $ 2,015 [10] $ 5,000 [11]
Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | Diversified/Conglomerate Service    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.40% [1],[2],[3],[4],[10] 0.30% [5],[6],[7],[8],[11]
Investments owned, fair value $ 1,791 [10] $ 1,580 [11]
Cost $ 1,282 [10] $ 1,282 [11]
Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | Healthcare, Education, and Childcare    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 1.60% [1],[2],[3],[4],[10] 1.20% [5],[6],[7],[8],[11]
Investments owned, fair value $ 7,540 [10] $ 5,650 [11]
Cost $ 767 [10] $ 2,767 [11]
Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | Machinery    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 1.80% [1],[2],[3],[4],[10] 1.00% [5],[6],[7],[8],[11]
Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | Oil and Gas    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.00% [1],[2],[3],[4],[10] 0.00% [5],[6],[7],[8],[11]
Investments owned, fair value $ 89 [10] $ 101 [11]
Cost $ 499 [10] $ 499 [11]
Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | Telecommunications    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.00% [1],[2],[3],[4],[10] 0.00% [5],[6],[7],[8],[11]
Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | Automobile    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.10% [1],[2],[3],[4],[10] 0.10% [5],[6],[7],[8],[11]
Affiliate investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 3.50% [1],[2],[3],[4],[12] 1.60% [5],[6],[7],[8],[13]
Investments owned, fair value $ 16,594 [12] $ 7,438 [13]
Cost $ 21,746 [12] $ 16,746 [13]
Affiliate investments | Secured first lien debt    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.10% [1],[2],[3],[4],[12] 0.10% [5],[6],[7],[8],[13]
Affiliate investments | Secured first lien debt | Diversified/Conglomerate Manufacturing    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.10% [1],[2],[3],[4],[12] 0.10% [5],[6],[7],[8],[13]
Affiliate investments | Preferred Equity    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 1.60% [1],[2],[3],[4],[12] 0.90% [5],[6],[7],[8],[13]
Investments owned, fair value $ 7,591 [12] $ 4,099 [13]
Cost $ 9,806 [12] $ 9,806 [13]
Affiliate investments | Preferred Equity | Diversified/Conglomerate Manufacturing    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.00% [1],[2],[3],[4],[12] 0.00% [5],[6],[7],[8],[13]
Affiliate investments | Preferred Equity | Diversified/Conglomerate Service    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 1.40% [1],[2],[3],[4],[12] 0.70% [5],[6],[7],[8],[13]
Affiliate investments | Preferred Equity | Personal and Non-Durable Consumer Products (Manufacturing Only)    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.20% [1],[2],[3],[4],[12] 0.20% [5],[6],[7],[8],[13]
Affiliate investments | Common Equity/ Equivalents    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 1.80% [1],[2],[3],[4],[12] 0.60% [5],[6],[7],[8],[13]
Investments owned, fair value [12] $ 8,758  
Cost [12] $ 5,800  
Affiliate investments | Common Equity/ Equivalents | Personal and Non-Durable Consumer Products (Manufacturing Only)    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.80% [1],[2],[3],[4],[12] 0.60% [5],[6],[7],[8],[13]
Affiliate investments | Common Equity/ Equivalents | Finance    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets [1],[2],[3],[4],[12] 1.10%  
Control investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 20.20% [1],[2],[3],[4],[14] 8.00% [5],[6],[7],[8],[15]
Investments owned, fair value $ 95,663 [14] $ 37,918 [15]
Cost $ 117,112 [14] $ 37,784 [15]
Control investments | Secured first lien debt    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 14.80% [1],[2],[3],[4],[14] 3.00% [5],[6],[7],[8],[15]
Investments owned, fair value $ 70,326 [14] $ 13,896 [15]
Cost $ 83,893 [14] $ 18,655 [15]
Control investments | Secured first lien debt | Beverage, Food, and Tobacco    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets [1],[2],[3],[4],[14] 2.70%  
Control investments | Secured first lien debt | Diversified/Conglomerate Manufacturing    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 4.70% [1],[2],[3],[4],[14] 0.90% [5],[6],[7],[8],[15]
Investments owned, fair value [14] $ 22,407  
Cost [14] $ 28,141  
Control investments | Secured first lien debt | Healthcare, Education, and Childcare    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets [1],[2],[3],[4],[14] 5.70%  
Investments owned, fair value [14] $ 27,161  
Cost [14] $ 28,077  
Control investments | Secured first lien debt | Personal and Non-Durable Consumer Products (Manufacturing Only)    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 1.70% [1],[2],[3],[4],[14] 2.10% [5],[6],[7],[8],[15]
Investments owned, fair value $ 8,008 [14] $ 9,696 [15]
Cost $ 14,925 [14] $ 14,525 [15]
Control investments | Secured first lien debt | Printing and Publishing    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.00% [1],[2],[3],[4],[14] 0.00% [5],[6],[7],[8],[15]
Control investments | Secured second lien debt    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 1.90% [1],[2],[3],[4],[14] 1.80% [5],[6],[7],[8],[15]
Control investments | Secured second lien debt | Diversified/Conglomerate Manufacturing    
Schedule of Investments [Line Items]    
Investments owned, fair value [14] $ 5,593  
Cost [14] 9,750  
Control investments | Secured second lien debt | Healthcare, Education, and Childcare    
Schedule of Investments [Line Items]    
Investments owned, fair value [14] 0  
Cost [14] $ 2,000  
Control investments | Secured second lien debt | Automobile    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 1.90% [1],[2],[3],[4],[14] 1.80% [5],[6],[7],[8],[15]
Control investments | Unsecured debt    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets [1],[2],[3],[4],[14] 0.10%  
Control investments | Unsecured debt | Healthcare, Education, and Childcare    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets [1],[2],[3],[4],[14] 0.10%  
Control investments | Preferred Equity    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.00% [1],[2],[3],[4],[14] 0.00% [5],[6],[7],[8],[15]
Control investments | Preferred Equity | Personal and Non-Durable Consumer Products (Manufacturing Only)    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.00% [1],[2],[3],[4],[14] 0.00% [5],[6],[7],[8],[15]
Control investments | Common Equity/ Equivalents    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 3.40% [1],[2],[3],[4],[14] 3.20% [5],[6],[7],[8],[15]
Investments owned, fair value $ 16,211 [14] $ 15,475 [15]
Cost $ 21,332 [14] $ 7,832 [15]
Control investments | Common Equity/ Equivalents | Beverage, Food, and Tobacco    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets [1],[2],[3],[4],[14] 1.10%  
Control investments | Common Equity/ Equivalents | Diversified/Conglomerate Manufacturing    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 1.20% [1],[2],[3],[4],[14] 1.70% [5],[6],[7],[8],[15]
Control investments | Common Equity/ Equivalents | Healthcare, Education, and Childcare    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets [1],[2],[3],[4],[14] 0.00%  
Control investments | Common Equity/ Equivalents | Automobile    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.00% [1],[2],[3],[4],[14] 0.60% [5],[6],[7],[8],[15]
Control investments | Common Equity/ Equivalents | Personal and Non-Durable Consumer Products (Manufacturing Only)    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.00% [1],[2],[3],[4],[14] 0.00% [5],[6],[7],[8],[15]
Control investments | Common Equity/ Equivalents | Printing and Publishing    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 1.10% [1],[2],[3],[4],[14] 0.90% [5],[6],[7],[8],[15]
Investment, Identifier [Axis]: Ohio Armor Holdings, LLC – Common Equity    
Schedule of Investments [Line Items]    
Investments owned, fair value [16],[17] $ 1,294  
Cost [16],[17] $ 1,000  
Shares [16],[17],[18],[19] 100  
Investment, Identifier [Axis]: Viron International Corp. – Common Stock    
Schedule of Investments [Line Items]    
Investments owned, fair value [16],[17],[20] $ 0  
Cost [16],[17],[20] $ 15  
Shares [16],[17],[18],[19],[20] 447  
Investment, Identifier [Axis]: 8th Avenue Food & Provisions, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 6.80% [1],[2],[3],[4],[21],[22],[23] 7.90% [5],[6],[7],[8],[24]
Investment, interest rate, paid in cash 14.30% [1],[2],[3],[4],[21],[22],[23] 12.70% [5],[6],[7],[8],[24]
Investments owned, fair value $ 3,683 [21],[22],[23] $ 3,241 [24]
Principal amount 3,683 [18],[19],[21],[22],[23] 3,683 [24],[25],[26]
Cost $ 3,683 [21],[22],[23] $ 3,683 [24]
Investment, Identifier [Axis]: ALS Education, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 6.80% [1],[2],[3],[4],[27] 6.80% [5],[6],[7],[8],[28]
Investment, interest rate, paid in cash 11.10% [1],[2],[3],[4],[27] 11.60% [5],[6],[7],[8],[28]
Line of credit facility, available $ 3,000 [1],[2],[3],[4],[27] $ 3,000 [5],[6],[7],[8],[28]
Investments owned, fair value 0 [27] 0 [28]
Principal amount 0 [18],[19],[27] 0 [25],[26],[28]
Cost $ 0 [27] $ 0 [28]
Investment, Identifier [Axis]: ALS Education, LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 6.80% [1],[2],[3],[4],[27] 6.80% [5],[6],[7],[8],[28]
Investment, interest rate, paid in cash 11.10% [1],[2],[3],[4],[27] 11.60% [5],[6],[7],[8],[28]
Investments owned, fair value $ 30,954 [27] $ 31,997 [28]
Principal amount 30,800 [18],[19],[27] 31,680 [25],[26],[28]
Cost $ 30,800 [27] 31,680 [28]
Investment, Identifier [Axis]: Altior Healthcare, LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [1],[2],[3],[4],[27] 6.50%  
Investment, interest rate, paid in cash [1],[2],[3],[4],[27] 10.80%  
Investments owned, fair value [27] $ 46,000  
Principal amount [18],[19],[27] 46,000  
Cost [27] 46,000  
Investment, Identifier [Axis]: Antenna Research Associates, Inc. – Common Equity Units    
Schedule of Investments [Line Items]    
Investments owned, fair value [29],[30],[31]   59,423
Cost [29],[30],[31]   $ 4,283
Shares [25],[26],[29],[30],[31]   4,283
Investment, Identifier [Axis]: Antenna Research Associates, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [5],[6],[7],[8],[30],[31]   10.00%
Investment, interest rate, paid in cash [5],[6],[7],[8],[30],[31]   14.80%
Investment, interest rate, paid in kind [5],[6],[7],[8],[30],[31]   4.00%
Investments owned, fair value [30],[31]   $ 31,267
Principal amount [25],[26],[30],[31]   31,267
Cost [30],[31]   31,267
Investment, Identifier [Axis]: Arc Drilling Holdings LLC – Common Stock    
Schedule of Investments [Line Items]    
Investments owned, fair value 8,436 [16],[17] 4,816 [29],[30]
Cost $ 5,333 [16],[17] $ 5,333 [29],[30]
Shares 53,333 [16],[17],[18],[19] 53,333 [25],[26],[29],[30]
Investment, Identifier [Axis]: Arc Drilling Holdings LLC – Line of Credit    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 6.80% [1],[2],[3],[4],[27] 7.00% [5],[6],[7],[8],[28]
Investment, interest rate, paid in cash 11.10% [1],[2],[3],[4],[27] 11.80% [5],[6],[7],[8],[28]
Line of credit facility, available $ 3,925 [1],[2],[3],[4],[27] $ 4,000 [5],[6],[7],[8],[28]
Investments owned, fair value 1,075 [27] 1,000 [28]
Principal amount 1,075 [18],[19],[27] 1,000 [25],[26],[28]
Cost $ 1,075 [27] $ 1,000 [28]
Investment, Identifier [Axis]: Arc Drilling Holdings LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [5],[6],[7],[8],[28]   7.00%
Investment, interest rate, paid in cash [5],[6],[7],[8],[28]   11.80%
Investments owned, fair value [28]   $ 16,000
Principal amount [25],[26],[28]   16,000
Cost [28]   $ 16,000
Investment, Identifier [Axis]: Arc Drilling Holdings LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [1],[2],[3],[4],[27] 6.80%  
Investment, interest rate, paid in cash [1],[2],[3],[4],[27] 11.10%  
Investments owned, fair value [27] $ 16,320  
Principal amount [18],[19],[27] 16,000  
Cost [27] $ 16,000  
Investment, Identifier [Axis]: Axios Industrial Group, LLC – Term Debt 1    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 11.60% [1],[2],[3],[4],[27] 9.60% [5],[6],[7],[8],[28]
Investment, interest rate, paid in cash 0.00% [1],[2],[3],[4],[27] 14.40% [5],[6],[7],[8],[28]
Investment, interest rate, paid in kind [1],[2],[3],[4],[27] 15.90%  
Investments owned, fair value $ 15,358 [27] $ 11,357 [28]
Principal amount 16,106 [18],[19],[27] 11,325 [25],[26],[28]
Cost $ 16,106 [27] $ 11,301 [28]
Investment, Identifier [Axis]: Axios Industrial Group, LLC – Term Debt 2    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [5],[6],[7],[8],[28]   12.60%
Investment, interest rate, paid in cash [5],[6],[7],[8],[28]   17.40%
Investment, interest rate, paid in kind [1],[2],[3],[4],[27],[32] 18.00%  
Investments owned, fair value $ 2,369 [27],[32] $ 3,008 [28]
Principal amount 2,484 [18],[19],[27],[32] 3,000 [25],[26],[28]
Cost 2,484 [27],[32] 2,925 [28]
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Common Stock Warrant    
Schedule of Investments [Line Items]    
Investments owned, fair value 0 [16],[17],[20] 0 [29],[30],[33]
Cost $ 0 [16],[17],[20] $ 0 [29],[30],[33]
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Line of Credit 1    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 2.00% [1],[2],[3],[4],[17],[20] 2.00% [5],[6],[7],[8],[30],[33],[34]
Investment, interest rate, paid in cash 7.00% [1],[2],[3],[4],[17],[20] 7.00% [5],[6],[7],[8],[30],[33],[34]
Line of credit facility, available $ 0 [1],[2],[3],[4],[17],[20] $ 0 [5],[6],[7],[8],[30],[33],[34]
Investments owned, fair value 545 [17],[20] 471 [30],[33],[34]
Principal amount 1,320 [17],[18],[19],[20] 1,320 [25],[26],[30],[33],[34]
Cost $ 1,320 [17],[20] $ 1,320 [30],[33],[34]
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Line of Credit 2    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 2.00% [1],[2],[3],[4],[17],[20] 2.00% [5],[6],[7],[8],[30],[33],[34]
Investment, interest rate, paid in cash 7.00% [1],[2],[3],[4],[17],[20] 7.00% [5],[6],[7],[8],[30],[33],[34]
Line of credit facility, available $ 0 [1],[2],[3],[4],[17],[20] $ 127 [5],[6],[7],[8],[30],[33],[34]
Investments owned, fair value 186 [17],[20] 115 [30],[33],[34]
Principal amount 450 [17],[18],[19],[20] 323 [25],[26],[30],[33],[34]
Cost 450 [17],[20] 323 [30],[33],[34]
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Investments owned, fair value 0 [16],[17],[20] 0 [29],[30],[33]
Cost $ 2,024 [16],[17],[20] $ 2,024 [29],[30],[33]
Shares 6,130 [16],[17],[18],[19],[20] 6,130 [25],[26],[29],[30],[33]
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 2.00% [1],[2],[3],[4],[17],[20] 2.00% [5],[6],[7],[8],[30],[33],[34]
Investment, interest rate, paid in cash 7.00% [1],[2],[3],[4],[17],[20] 7.00% [5],[6],[7],[8],[30],[33],[34]
Investments owned, fair value $ 2,479 [17],[20] $ 2,139 [30],[33],[34]
Principal amount 6,000 [17],[18],[19],[20] 6,000 [25],[26],[30],[33],[34]
Cost 6,000 [17],[20] $ 6,000 [30],[33],[34]
Investment, Identifier [Axis]: Cafe Zupas – Line of Credit    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [5],[6],[7],[8],[28]   7.50%
Investment, interest rate, paid in cash [5],[6],[7],[8],[28]   12.30%
Line of credit facility, available [5],[6],[7],[8],[28]   $ 700
Investments owned, fair value [28]   1,061
Principal amount [25],[26],[28]   1,050
Cost [28]   $ 1,050
Investment, Identifier [Axis]: Café Zupas – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [5],[6],[7],[8],[28]   7.50%
Investment, interest rate, paid in cash [5],[6],[7],[8],[28]   12.30%
Line of credit facility, available [5],[6],[7],[8],[28]   $ 3,150
Investments owned, fair value [28]   7,424
Principal amount [25],[26],[28]   7,350
Cost [28]   $ 7,350
Investment, Identifier [Axis]: Café Zupas – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [5],[6],[7],[8],[28]   7.50%
Investment, interest rate, paid in cash [5],[6],[7],[8],[28]   12.30%
Investments owned, fair value [28]   $ 26,513
Principal amount [25],[26],[28]   26,250
Cost [28]   26,074
Investment, Identifier [Axis]: Canopy Safety Brands, LLC – Common Stock    
Schedule of Investments [Line Items]    
Investments owned, fair value 3,748 [16],[17] 2,959 [29],[30]
Cost $ 800 [16],[17] $ 800 [29],[30]
Shares 1,170,370 [16],[17],[18],[19] 1,170,370 [25],[26],[29],[30]
Investment, Identifier [Axis]: Canopy Safety Brands, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Investments owned, fair value $ 987 [16],[17] $ 931 [29],[30]
Cost $ 500 [16],[17] $ 500 [29],[30]
Shares 500,000 [16],[17],[18],[19] 500,000 [25],[26],[29],[30]
Investment, Identifier [Axis]: DKI Ventures, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Investment, interest rate, paid in cash [5],[6],[7],[8],[30],[35]   9.00%
Line of credit facility, available [5],[6],[7],[8],[30],[35]   $ 25
Investments owned, fair value [30],[35]   159
Principal amount [25],[26],[30],[35]   350
Cost [30],[35]   $ 350
Investment, Identifier [Axis]: DKI Ventures, LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, interest rate, paid in cash [5],[6],[7],[8],[30],[35]   9.00%
Investments owned, fair value [30],[35]   $ 2,684
Principal amount [25],[26],[30],[35]   5,915
Cost [30],[35]   5,915
Investment, Identifier [Axis]: Defiance Integrated Technologies, Inc. – Common Stock    
Schedule of Investments [Line Items]    
Investments owned, fair value $ 0 [16],[17] 2,949 [29],[30]
Cost $ 581 [16],[17] $ 581 [29],[30]
Shares 33,321 [16],[17],[18],[19] 33,321 [25],[26],[29],[30]
Investment, Identifier [Axis]: Defiance Integrated Technologies, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [5],[6],[7],[8],[30]   9.60%
Investment, interest rate, paid in cash [5],[6],[7],[8],[30]   14.40%
Investments owned, fair value [30]   $ 8,547
Principal amount [25],[26],[30]   8,547
Cost [30]   $ 8,547
Investment, Identifier [Axis]: Defiance Integrated Technologies, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [1],[2],[3],[4],[17] 9.60%  
Investment, interest rate, paid in cash [1],[2],[3],[4],[17] 13.90%  
Investments owned, fair value [17] $ 8,792  
Principal amount [17],[18],[19] 8,792  
Cost [17] 8,792  
Investment, Identifier [Axis]: Dutch Gold Honey, Inc. – Common Stock    
Schedule of Investments [Line Items]    
Investments owned, fair value [16],[17],[20] 818  
Cost [16],[17],[20] $ 900  
Shares [16],[17],[18],[19],[20] 900,000  
Investment, Identifier [Axis]: Dutch Gold Honey, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [1],[2],[3],[4],[20],[27] 7.50%  
Investment, interest rate, paid in cash [1],[2],[3],[4],[20],[27] 11.80%  
Investments owned, fair value [20],[27] $ 17,878  
Principal amount [18],[19],[20],[27] 18,000  
Cost [20],[27] 18,000  
Investment, Identifier [Axis]: ENET Holdings, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [5],[6],[7],[8],[28]   7.30%
Investment, interest rate, paid in cash [5],[6],[7],[8],[28]   12.10%
Line of credit facility, available [5],[6],[7],[8],[28]   $ 2,500
Investments owned, fair value [28]   0
Principal amount [25],[26],[28]   0
Cost [28]   $ 0
Investment, Identifier [Axis]: ENET Holdings, LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [5],[6],[7],[8],[28]   7.30%
Investment, interest rate, paid in cash [5],[6],[7],[8],[28]   12.10%
Investments owned, fair value [28]   $ 21,973
Principal amount [25],[26],[28]   22,289
Cost [28]   22,289
Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Investments owned, fair value 0 [16],[17],[20] 0 [29],[30],[33]
Cost $ 5,466 [16],[17],[20] $ 5,466 [29],[30],[33]
Shares 5,466 [16],[17],[18],[19],[20] 5,466 [25],[26],[29],[30],[33]
Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 5.50% [1],[2],[3],[4],[17],[20],[36] 5.50% [5],[6],[7],[8],[30],[33],[34]
Investment, interest rate, paid in cash 9.80% [1],[2],[3],[4],[17],[20],[36] 10.30% [5],[6],[7],[8],[30],[33],[34]
Investments owned, fair value $ 245 [17],[20],[36] $ 380 [30],[33],[34]
Principal amount 6,140 [17],[18],[19],[20],[36] 6,140 [25],[26],[30],[33],[34]
Cost 6,140 [17],[20],[36] $ 6,140 [30],[33],[34]
Investment, Identifier [Axis]: Eegee Acquisition Corp. – Common Stock    
Schedule of Investments [Line Items]    
Investments owned, fair value [16],[17] 5,173  
Cost [16],[17] $ 8,500  
Shares [16],[17],[18],[19] 1,000  
Investment, Identifier [Axis]: Eegee Acquisition Corp. – Line of Credit    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [1],[2],[3],[4],[17],[36] 7.00%  
Investment, interest rate, paid in cash [1],[2],[3],[4],[17],[36] 11.30%  
Line of credit facility, available [1],[2],[3],[4],[17],[36] $ 3,250  
Investments owned, fair value [17],[36] 12,750  
Principal amount [17],[18],[19],[36] 12,750  
Cost [17],[36] 12,750  
Investment, Identifier [Axis]: Eegee’s LLC – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [5],[6],[7],[8],[28]   7.80%
Investment, interest rate, paid in cash [5],[6],[7],[8],[28]   8.00%
Investment, interest rate, paid in kind [5],[6],[7],[8],[28]   4.60%
Line of credit facility, available [5],[6],[7],[8],[28]   $ 0
Investments owned, fair value [28]   2,380
Principal amount [25],[26],[28]   3,145
Cost [28]   $ 3,145
Investment, Identifier [Axis]: Eegee’s LLC – Line of Credit    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [5],[6],[7],[8],[28]   7.80%
Investment, interest rate, paid in cash [5],[6],[7],[8],[28]   12.60%
Line of credit facility, available [5],[6],[7],[8],[28]   $ 500
Investments owned, fair value [28]   1,135
Principal amount [25],[26],[28]   1,500
Cost [28]   $ 1,500
Investment, Identifier [Axis]: Eegee’s LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [5],[6],[7],[8],[28]   7.80%
Investment, interest rate, paid in cash [5],[6],[7],[8],[28]   8.00%
Investment, interest rate, paid in kind [5],[6],[7],[8],[28]   4.60%
Investments owned, fair value [28]   $ 13,486
Principal amount [25],[26],[28]   17,824
Cost [28]   17,824
Investment, Identifier [Axis]: Encore Dredging Holdings, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Investments owned, fair value 6,604 [16],[17] 3,168 [29],[30]
Cost $ 3,840 [16],[17] $ 3,840 [29],[30]
Shares 3,840,000 [16],[17],[18],[19] 3,840,000 [25],[26],[29],[30]
Investment, Identifier [Axis]: Engineering Manufacturing Technologies, LLC – Common Stock    
Schedule of Investments [Line Items]    
Investments owned, fair value $ 0 [16],[17] $ 0 [29],[30]
Cost $ 3,000 [16],[17] $ 3,000 [29],[30]
Shares 16,000 [16],[17],[18],[19] 6,000 [25],[26],[29],[30]
Investment, Identifier [Axis]: Engineering Manufacturing Technologies, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 8.30% [1],[2],[3],[4],[17] 8.30% [5],[6],[7],[8],[30]
Investment, interest rate, paid in cash 12.60% [1],[2],[3],[4],[17] 13.10% [5],[6],[7],[8],[30]
Line of credit facility, available $ 1,900 [1],[2],[3],[4],[17] $ 3,000 [5],[6],[7],[8],[30]
Investments owned, fair value 835 [17] 0 [30]
Principal amount 1,100 [17],[18],[19] 0 [25],[26],[30]
Cost $ 1,100 [17] $ 0 [30]
Investment, Identifier [Axis]: Engineering Manufacturing Technologies, LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 8.30% [1],[2],[3],[4],[17] 8.30% [5],[6],[7],[8],[30]
Investment, interest rate, paid in cash 8.00% [1],[2],[3],[4],[17] 10.00% [5],[6],[7],[8],[30]
Investment, interest rate, paid in kind 4.60% [1],[2],[3],[4],[17] 3.10% [5],[6],[7],[8],[30]
Investments owned, fair value $ 17,372 [17] $ 19,283 [30]
Principal amount 22,894 [17],[18],[19] 22,230 [25],[26],[30]
Cost 22,894 [17] 22,230 [30]
Investment, Identifier [Axis]: FES Resources Holdings LLC – Common Equity Units    
Schedule of Investments [Line Items]    
Investments owned, fair value 0 [16],[17] 0 [29],[30]
Cost $ 0 [16],[17] $ 0 [29],[30]
Shares 6,233 [16],[17],[18],[19] 6,233 [25],[26],[29],[30]
Investment, Identifier [Axis]: FES Resources Holdings LLC – Preferred Equity Units    
Schedule of Investments [Line Items]    
Investments owned, fair value $ 0 [16],[17] $ 0 [29],[30]
Cost $ 6,350 [16],[17] $ 6,350 [29],[30]
Shares 6,350 [16],[17],[18],[19] 6,350 [25],[26],[29],[30]
Investment, Identifier [Axis]: FES Resources Holdings LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, interest rate, paid in cash 4.50% [1],[2],[3],[4],[17],[32] 4.50% [5],[6],[7],[8],[30],[35]
Investments owned, fair value $ 0 [17],[32] $ 163 [30],[35]
Principal amount 325 [17],[18],[19],[32] 325 [25],[26],[30],[35]
Cost $ 325 [17],[32] $ 325 [30],[35]
Investment, Identifier [Axis]: Fix-It Group, LLC – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [5],[6],[7],[8],[28]   7.10%
Investment, interest rate, paid in cash [5],[6],[7],[8],[28]   11.90%
Line of credit facility, available [5],[6],[7],[8],[28]   $ 0
Investments owned, fair value [28]   6,781
Principal amount [25],[26],[28]   6,781
Cost [28]   $ 6,781
Investment, Identifier [Axis]: Fix-It Group, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [5],[6],[7],[8],[28]   7.10%
Investment, interest rate, paid in cash [5],[6],[7],[8],[28]   11.90%
Line of credit facility, available [5],[6],[7],[8],[28]   $ 3,000
Investments owned, fair value [28]   0
Principal amount [25],[26],[28]   0
Cost [28]   $ 0
Investment, Identifier [Axis]: Fix-It Group, LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [5],[6],[7],[8],[28]   7.10%
Investment, interest rate, paid in cash [5],[6],[7],[8],[28]   11.90%
Investments owned, fair value [28]   $ 13,457
Principal amount [25],[26],[28]   13,324
Cost [28]   $ 13,324
Investment, Identifier [Axis]: Freedom Dental Management, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [1],[2],[3],[4],[27] 7.30%  
Investment, interest rate, paid in cash [1],[2],[3],[4],[27] 11.60%  
Investments owned, fair value [27] $ 14,781  
Principal amount [18],[19],[27] 15,000  
Cost [27] $ 15,000  
Investment, Identifier [Axis]: Frontier Financial Group Inc. – Convertible Debt    
Schedule of Investments [Line Items]    
Investment, interest rate, paid in cash 6.00% [1],[2],[3],[4],[17],[32] 6.00% [5],[6],[7],[8],[30],[35]
Investments owned, fair value $ 20 [17],[32] $ 32 [30],[35]
Principal amount 198 [17],[18],[19],[32] 198 [25],[26],[30],[35]
Cost 198 [17],[32] 198 [30],[35]
Investment, Identifier [Axis]: Frontier Financial Group Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Investments owned, fair value 0 [16],[17] 0 [29],[30]
Cost $ 500 [16],[17] $ 500 [29],[30]
Shares 766 [16],[17],[18],[19] 766 [25],[26],[29],[30]
Investment, Identifier [Axis]: Frontier Financial Group Inc. – Preferred Stock Warrant    
Schedule of Investments [Line Items]    
Investments owned, fair value $ 0 [16],[17] $ 0 [29],[30]
Cost $ 0 [16],[17] $ 0 [29],[30]
Shares 168 [16],[17],[18],[19] 168 [25],[26],[29],[30]
Investment, Identifier [Axis]: GFRC 360, LLC – Common Stock Warrants    
Schedule of Investments [Line Items]    
Investments owned, fair value $ 0 [16],[17] $ 0 [29],[30]
Cost $ 0 [16],[17] $ 0 [29],[30]
Investment, Identifier [Axis]: GFRC 360, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 8.00% [1],[2],[3],[4],[27] 8.00% [5],[6],[7],[8],[28]
Investment, interest rate, paid in cash 12.30% [1],[2],[3],[4],[27] 12.80% [5],[6],[7],[8],[28]
Line of credit facility, available $ 95 [1],[2],[3],[4],[27] $ 95 [5],[6],[7],[8],[28]
Investments owned, fair value 1,355 [27] 1,355 [28]
Principal amount 1,355 [18],[19],[27] 1,355 [25],[26],[28]
Cost 1,355 [27] 1,355 [28]
Investment, Identifier [Axis]: GFRC 360, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Investments owned, fair value 0 [16],[17] 0 [29],[30]
Cost $ 1,025 [16],[17] $ 1,025 [29],[30]
Shares 1,000 [16],[17],[18],[19] 1,000 [25],[26],[29],[30]
Investment, Identifier [Axis]: GFRC 360, LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 8.00% [1],[2],[3],[4],[27] 8.00% [5],[6],[7],[8],[28]
Investment, interest rate, paid in cash 12.30% [1],[2],[3],[4],[27] 12.80% [5],[6],[7],[8],[28]
Investments owned, fair value $ 1,000 [27] $ 1,000 [28]
Principal amount 1,000 [18],[19],[27] 1,000 [25],[26],[28]
Cost 1,000 [27] 1,000 [28]
Investment, Identifier [Axis]: GSM MidCo LLC – Common Stock    
Schedule of Investments [Line Items]    
Investments owned, fair value 2,065 [16],[17] 1,583 [29],[30]
Cost $ 767 [16],[17] $ 767 [29],[30]
Shares 767 [16],[17],[18],[19] 767 [25],[26],[29],[30]
Investment, Identifier [Axis]: Giving Home Health Care, LLC – Common Stock    
Schedule of Investments [Line Items]    
Investments owned, fair value [16],[17] $ 5,439  
Cost [16],[17] $ 0  
Shares [16],[17],[18],[19] 10,667  
Investment, Identifier [Axis]: Giving Home Health Care, LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [1],[2],[3],[4],[27],[37] 6.30%  
Investment, interest rate, paid in cash [1],[2],[3],[4],[27],[37] 10.50%  
Investments owned, fair value [27],[37] $ 34,924  
Principal amount [18],[19],[27],[37] 34,924  
Cost [27],[37] 34,855  
Investment, Identifier [Axis]: Giving Home Health Care, LLC – Warrant    
Schedule of Investments [Line Items]    
Investments owned, fair value [29],[30]   $ 3,995
Cost [29],[30]   $ 0
Shares [25],[26],[29],[30]   10,667
Investment, Identifier [Axis]: Gladstone Alternative Income Fund – Common Stock    
Schedule of Investments [Line Items]    
Investments owned, fair value [16],[38] 5,010  
Cost [16],[38] $ 5,000  
Shares [16],[18],[19],[38] 500,000  
Investment, Identifier [Axis]: HH-Inspire Acquisition, Inc. – Line of Credit    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 8.00% [1],[2],[3],[4],[27] 8.00% [5],[6],[7],[8],[28],[39]
Investment, interest rate, paid in cash 12.30% [1],[2],[3],[4],[27] 12.80% [5],[6],[7],[8],[28],[39]
Investment, interest rate, paid in kind [1],[2],[3],[4],[27] 2.00%  
Line of credit facility, available $ 0 [1],[2],[3],[4],[27] $ 110 [5],[6],[7],[8],[28],[39]
Investments owned, fair value 1,697 [27] 1,677 [28],[39]
Principal amount 1,852 [18],[19],[27] 1,727 [25],[26],[28],[39]
Cost 1,852 [27] 1,727 [28],[39]
Investment, Identifier [Axis]: HH-Inspire Acquisition, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Investments owned, fair value 2,072 [16],[17] 1,047 [29],[30]
Cost $ 2,604 [16],[17] $ 2,251 [29],[30]
Shares 1,681,949 [16],[17],[18],[19] 1,329,054 [25],[26],[29],[30]
Investment, Identifier [Axis]: HH-Inspire Acquisition, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [1],[2],[3],[4],[27] 8.00%  
Investment, interest rate, paid in cash [1],[2],[3],[4],[27] 12.30%  
Investment, interest rate, paid in kind [1],[2],[3],[4],[27] 2.00%  
Investments owned, fair value [27] $ 18,191  
Principal amount [18],[19],[27] 19,855  
Cost [27] 19,764  
Investment, Identifier [Axis]: HH-Inspire Acquisition, Inc. – Term Debt 1    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [5],[6],[7],[8],[28],[39]   8.00%
Investment, interest rate, paid in cash [5],[6],[7],[8],[28],[39]   12.80%
Investments owned, fair value [28],[39]   $ 15,399
Principal amount [25],[26],[28],[39]   15,852
Cost [28],[39]   $ 15,852
Investment, Identifier [Axis]: HH-Inspire Acquisition, Inc. – Term Debt 2    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [5],[6],[7],[8],[28],[39]   8.00%
Investment, interest rate, paid in cash [5],[6],[7],[8],[28],[39]   12.80%
Investments owned, fair value [28],[39]   $ 3,102
Principal amount [25],[26],[28],[39]   3,193
Cost [28],[39]   3,193
Investment, Identifier [Axis]: Imperative Holdings Corporation – Preferred Equity Units    
Schedule of Investments [Line Items]    
Investments owned, fair value 2,609 [16],[17] 2,275 [29],[30]
Cost $ 488 [16],[17] $ 488 [29],[30]
Shares 972,569 [16],[17],[18],[19] 972,569 [25],[26],[29],[30]
Investment, Identifier [Axis]: Imperative Holdings Corporation – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [5],[6],[7],[8],[28]   9.80%
Investment, interest rate, paid in cash [5],[6],[7],[8],[28]   14.60%
Investments owned, fair value [28]   $ 18,015
Principal amount [25],[26],[28]   18,015
Cost [28]   $ 17,909
Investment, Identifier [Axis]: Imperative Holdings Corporation – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [1],[2],[3],[4],[27] 9.80%  
Investment, interest rate, paid in cash [1],[2],[3],[4],[27] 14.10%  
Investments owned, fair value [27] $ 15,765  
Principal amount [18],[19],[27] 15,766  
Cost [27] $ 15,685  
Investment, Identifier [Axis]: Leadpoint Business Services, LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 8.50% [1],[2],[3],[4],[27] 8.50% [5],[6],[7],[8],[28]
Investment, interest rate, paid in cash 12.80% [1],[2],[3],[4],[27] 13.30% [5],[6],[7],[8],[28]
Investments owned, fair value $ 28,398 [27] $ 26,010 [28]
Principal amount 28,117 [18],[19],[27] 25,500 [25],[26],[28]
Cost 28,117 [27] 25,475 [28]
Investment, Identifier [Axis]: Leeds Novamark Capital I, L.P. – Limited Partnership Interest    
Schedule of Investments [Line Items]    
Line of credit facility, available 843 [1],[2],[3],[4],[16],[38],[40] 843 [5],[6],[7],[8],[29],[41],[42]
Investments owned, fair value 36 [16],[38],[40] 38 [29],[41],[42]
Cost $ 0 [16],[38],[40] $ 0 [29],[41],[42]
Investment, Identifier [Axis]: Lonestar EMS, LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, interest rate, paid in cash 12.00% [1],[2],[3],[4],[17],[32] 12.00% [5],[6],[7],[8],[30],[35]
Investments owned, fair value [30],[35]   $ 4,200
Principal amount [25],[26],[30],[35]   4,200
Cost [30],[35]   4,130
Investment, Identifier [Axis]: Lonestar EMS, LLC – Common Units    
Schedule of Investments [Line Items]    
Investments owned, fair value $ 5,593 [16],[17] 8,214 [29],[30]
Cost 6,750 [16],[17] 6,750 [29],[30]
Investment, Identifier [Axis]: Lonestar EMS, LLC – Term Debt    
Schedule of Investments [Line Items]    
Investments owned, fair value [17],[32] 4,200  
Principal amount [17],[18],[19],[32] 4,200  
Cost [17],[32] 4,147  
Investment, Identifier [Axis]: MCG Energy Solutions, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Investments owned, fair value [29],[30]   9,954
Cost [29],[30]   $ 7,000
Shares [25],[26],[29],[30]   7,000,000
Investment, Identifier [Axis]: MCG Energy Solutions, LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [5],[6],[7],[8],[30]   7.60%
Investment, interest rate, paid in cash [5],[6],[7],[8],[30]   12.40%
Investment, interest rate, paid in kind [5],[6],[7],[8],[30]   3.50%
Investments owned, fair value [30]   $ 20,290
Principal amount [25],[26],[30]   20,290
Cost [30]   20,264
Investment, Identifier [Axis]: NeoGraf Solutions LLC – Common Stock    
Schedule of Investments [Line Items]    
Investments owned, fair value 1,439 [16],[17] 859 [29],[30]
Cost $ 2,000 [16],[17] $ 2,000 [29],[30]
Shares 2,000,000 [16],[17],[18],[19] 2,000,000 [25],[26],[29],[30]
Investment, Identifier [Axis]: NeoGraf Solutions LLC – Line of Credit    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 7.00% [1],[2],[3],[4],[27] 7.00% [5],[6],[7],[8],[28]
Investment, interest rate, paid in cash 11.00% [1],[2],[3],[4],[27] 11.00% [5],[6],[7],[8],[28]
Investment, interest rate, paid in kind 0.30% [1],[2],[3],[4],[27] 0.80% [5],[6],[7],[8],[28]
Line of credit facility, available $ 4,500 [1],[2],[3],[4],[27] $ 4,500 [5],[6],[7],[8],[28]
Investments owned, fair value 0 [27] 0 [28]
Principal amount 0 [18],[19],[27] 0 [25],[26],[28]
Cost $ 0 [27] $ 0 [28]
Investment, Identifier [Axis]: NeoGraf Solutions LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 7.00% [1],[2],[3],[4],[27] 7.00% [5],[6],[7],[8],[28]
Investment, interest rate, paid in cash 11.00% [1],[2],[3],[4],[27] 11.00% [5],[6],[7],[8],[28]
Investment, interest rate, paid in kind 0.30% [1],[2],[3],[4],[27] 0.80% [5],[6],[7],[8],[28]
Investments owned, fair value $ 27,500 [27] $ 26,350 [28]
Principal amount 27,500 [18],[19],[27] 27,524 [25],[26],[28]
Cost 27,500 [27] 27,524 [28]
Investment, Identifier [Axis]: OCI, LLC – Common Units    
Schedule of Investments [Line Items]    
Investments owned, fair value 0 [16],[17] 0 [29],[30]
Cost $ 0 [16],[17] $ 0 [29],[30]
Shares 306 [16],[17],[18],[19] 306 [25],[26],[29],[30]
Investment, Identifier [Axis]: OCI, LLC – Term Debt 1    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 7.50% [1],[2],[3],[4],[27] 7.50% [5],[6],[7],[8],[28]
Investment, interest rate, paid in cash 11.80% [1],[2],[3],[4],[27] 12.30% [5],[6],[7],[8],[28]
Investments owned, fair value $ 16,500 [27] $ 18,685 [28]
Principal amount 16,500 [18],[19],[27] 18,500 [25],[26],[28]
Cost $ 16,500 [27] $ 18,500 [28]
Investment, Identifier [Axis]: OCI, LLC – Term Debt 2    
Schedule of Investments [Line Items]    
Investment, interest rate, paid in cash 7.00% [1],[2],[3],[4],[27],[32] 7.00% [5],[6],[7],[8],[28],[35]
Investment, interest rate, paid in kind 7.00% [1],[2],[3],[4],[27],[32] 7.00% [5],[6],[7],[8],[28],[35]
Investments owned, fair value $ 2,393 [27],[32] $ 2,303 [28],[35]
Principal amount 2,276 [18],[19],[27],[32] 2,159 [25],[26],[28],[35]
Cost $ 2,276 [27],[32] 2,159 [28],[35]
Investment, Identifier [Axis]: Ohio Armor Holdings, LLC – Common Equity    
Schedule of Investments [Line Items]    
Investments owned, fair value [29],[30]   1,086
Cost [29],[30]   $ 1,000
Shares [25],[26],[29],[30]   100
Investment, Identifier [Axis]: Ohio Armor Holdings, LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 8.00% [1],[2],[3],[4],[27] 8.00% [5],[6],[7],[8],[28]
Investment, interest rate, paid in cash 12.30% [1],[2],[3],[4],[27] 12.80% [5],[6],[7],[8],[28]
Investments owned, fair value $ 15,681 [27] $ 16,563 [28]
Principal amount 15,681 [18],[19],[27] 16,563 [25],[26],[28]
Cost 15,681 [27] $ 16,563 [28]
Investment, Identifier [Axis]: Pan-Am Dental, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Investments owned, fair value [16],[17] 6,278  
Cost [16],[17] $ 5,909  
Shares [16],[17],[18],[19] 5,909,091  
Investment, Identifier [Axis]: Pan-Am Dental, LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, interest rate, paid in cash [1],[2],[3],[4],[27],[32] 12.00%  
Investments owned, fair value [27],[32] $ 23,060  
Principal amount [18],[19],[27],[32] 23,000  
Cost [27],[32] 23,000  
Investment, Identifier [Axis]: Perimeter Solutions Group – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [5],[6],[7],[8],[28],[31]   8.50%
Investment, interest rate, paid in cash [5],[6],[7],[8],[28],[31]   13.30%
Investments owned, fair value [28],[31]   $ 15,000
Principal amount [25],[26],[28],[31]   15,000
Cost [28],[31]   $ 15,000
Investment, Identifier [Axis]: Quality Environmental Midco, Inc. – Preferred Equity    
Schedule of Investments [Line Items]    
Investments owned, fair value [16],[17] 4,134  
Cost [16],[17] $ 3,000  
Shares [16],[17],[18],[19] 3,000,000  
Investment, Identifier [Axis]: Quality Environmental Midco, Inc. – Line of Credit    
Schedule of Investments [Line Items]    
Investment, interest rate, paid in cash 12.00% [1],[2],[3],[4],[27],[32] 12.00% [5],[6],[7],[8],[28],[35]
Line of credit facility, available $ 2,500 [1],[2],[3],[4],[27],[32] $ 3,000 [5],[6],[7],[8],[28],[35]
Investments owned, fair value 500 [27],[32] 0 [28],[35]
Principal amount 500 [18],[19],[27],[32] 0 [25],[26],[28],[35]
Cost $ 500 [27],[32] 0 [28],[35]
Investment, Identifier [Axis]: Quality Environmental Midco, Inc. – Preferred Equity    
Schedule of Investments [Line Items]    
Investments owned, fair value [29],[30]   3,582
Cost [29],[30]   $ 3,000
Shares [25],[26],[29],[30]   3,000,000
Investment, Identifier [Axis]: Quality Environmental Midco, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Investment, interest rate, paid in cash 12.00% [1],[2],[3],[4],[27],[32] 12.00% [5],[6],[7],[8],[28],[35]
Investments owned, fair value $ 13,260 [27],[32] $ 13,390 [28],[35]
Principal amount 13,000 [18],[19],[27],[32] 13,000 [25],[26],[28],[35]
Cost $ 13,000 [27],[32] $ 13,000 [28],[35]
Investment, Identifier [Axis]: RF Technologies, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [1],[2],[3],[4],[27] 6.30%  
Investment, interest rate, paid in cash [1],[2],[3],[4],[27] 10.60%  
Line of credit facility, available [1],[2],[3],[4],[27] $ 3,500  
Investments owned, fair value [27] 0  
Principal amount [18],[19],[27] 0  
Cost [27] $ 0  
Investment, Identifier [Axis]: RF Technologies, LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [1],[2],[3],[4],[27] 6.30%  
Investment, interest rate, paid in cash [1],[2],[3],[4],[27] 10.60%  
Investments owned, fair value [27] $ 12,600  
Principal amount [18],[19],[27] 12,600  
Cost [27] $ 12,600  
Investment, Identifier [Axis]: RPM Freight Systems, LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [1],[2],[3],[4],[27] 7.70%  
Investment, interest rate, paid in cash [1],[2],[3],[4],[27] 12.00%  
Investments owned, fair value [27] $ 20,000  
Principal amount [18],[19],[27] 20,000  
Cost [27] 20,000  
Investment, Identifier [Axis]: RPM Freight Systems, LLC – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [5],[6],[7],[8],[28]   7.70%
Investment, interest rate, paid in cash [5],[6],[7],[8],[28]   12.50%
Line of credit facility, available [5],[6],[7],[8],[28]   $ 5,000
Investments owned, fair value [28]   0
Principal amount [25],[26],[28]   0
Cost [28]   $ 0
Investment, Identifier [Axis]: RPM Freight Systems, LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [5],[6],[7],[8],[28]   7.70%
Investment, interest rate, paid in cash [5],[6],[7],[8],[28]   12.50%
Investments owned, fair value [28]   $ 20,200
Principal amount [25],[26],[28]   20,000
Cost [28]   20,000
Investment, Identifier [Axis]: Salt & Straw, LLC – Common Warrant    
Schedule of Investments [Line Items]    
Investments owned, fair value 155 [16],[17] 47 [29],[30]
Cost 0 [16],[17] $ 0 [29],[30]
Investment, Identifier [Axis]: Salt & Straw, LLC – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [5],[6],[7],[8],[28]   9.10%
Investment, interest rate, paid in cash [5],[6],[7],[8],[28]   13.90%
Line of credit facility, available [5],[6],[7],[8],[28]   $ 3,500
Investments owned, fair value [28]   10,850
Principal amount [25],[26],[28]   10,850
Cost [28]   $ 10,693
Investment, Identifier [Axis]: Salt & Straw, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [5],[6],[7],[8],[28]   9.10%
Investment, interest rate, paid in cash [5],[6],[7],[8],[28]   13.90%
Line of credit facility, available [5],[6],[7],[8],[28]   $ 2,000
Investments owned, fair value [28]   0
Principal amount [25],[26],[28]   0
Cost [28]   0
Investment, Identifier [Axis]: Salt & Straw, LLC – Preferred Equity    
Schedule of Investments [Line Items]    
Investments owned, fair value [29],[30]   9,450
Cost [29],[30]   $ 7,000
Shares [25],[26],[29],[30]   7,000,000
Investment, Identifier [Axis]: Sea Link International IRB, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Investments owned, fair value 244 [16],[17] $ 220 [29],[30]
Cost $ 98 [16],[17] $ 98 [29],[30]
Shares 98,039 [16],[17],[18],[19] 98,039 [25],[26],[29],[30]
Investment, Identifier [Axis]: Sea Link International IRB, Inc. – Term Debt 1    
Schedule of Investments [Line Items]    
Investment, interest rate, paid in cash 11.30% [1],[2],[3],[4],[27],[32] 11.30% [5],[6],[7],[8],[28],[35]
Investment, interest rate, paid in kind 2.00% [1],[2],[3],[4],[27],[32] 2.00% [5],[6],[7],[8],[28],[35]
Investments owned, fair value $ 13,653 [27],[32] $ 12,331 [28],[35]
Principal amount 13,653 [18],[19],[27],[32] 12,331 [25],[26],[28],[35]
Cost $ 13,653 [27],[32] $ 12,314 [28],[35]
Investment, Identifier [Axis]: Sea Link International IRB, Inc. – Term Debt 2    
Schedule of Investments [Line Items]    
Investment, interest rate, paid in cash 12.00% [1],[2],[3],[4],[27],[32] 12.00% [5],[6],[7],[8],[28],[35]
Investment, interest rate, paid in kind 2.00% [1],[2],[3],[4],[27],[32] 2.00% [5],[6],[7],[8],[28],[35]
Investments owned, fair value $ 4,142 [27],[32] $ 4,079 [28],[35]
Principal amount 4,142 [18],[19],[27],[32] 4,079 [25],[26],[28],[35]
Cost 4,142 [27],[32] 4,079 [28],[35]
Investment, Identifier [Axis]: Sea Link International IRB, Inc.– Common Equity Units    
Schedule of Investments [Line Items]    
Investments owned, fair value 316 [16],[17] 160 [29],[30]
Cost $ 823 [16],[17] $ 823 [29],[30]
Shares 823,333 [16],[17],[18],[19] 823,333 [25],[26],[29],[30]
Investment, Identifier [Axis]: Sokol & Company Holdings, LLC – Common Stock    
Schedule of Investments [Line Items]    
Investments owned, fair value $ 3,192 [16],[17] $ 2,727 [29],[30]
Cost $ 450 [16],[17] $ 1,500 [29],[30]
Shares 450,000 [16],[17],[18],[19] 1,500,000 [25],[26],[29],[30]
Investment, Identifier [Axis]: Sokol & Company Holdings, LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [5],[6],[7],[8],[28]   6.80%
Investment, interest rate, paid in cash [5],[6],[7],[8],[28]   11.60%
Investments owned, fair value [28]   $ 8,500
Principal amount [25],[26],[28]   8,500
Cost [28]   $ 8,500
Investment, Identifier [Axis]: SpaceCo Holdings, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [5],[6],[7],[8],[28],[39]   6.40%
Investment, interest rate, paid in cash [5],[6],[7],[8],[28],[39]   11.00%
Line of credit facility, available [5],[6],[7],[8],[28],[39]   $ 0
Investments owned, fair value [28],[39]   2,000
Principal amount [25],[26],[28],[39]   2,000
Cost [28],[39]   $ 2,000
Investment, Identifier [Axis]: SpaceCo Holdings, LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [5],[6],[7],[8],[28],[39]   6.40%
Investment, interest rate, paid in cash [5],[6],[7],[8],[28],[39]   11.00%
Investments owned, fair value [28],[39]   $ 42,757
Principal amount [25],[26],[28],[39]   42,757
Cost [28],[39]   $ 42,376
Investment, Identifier [Axis]: Springfield, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 11.10% [1],[2],[3],[4],[27] 11.10% [5],[6],[7],[8],[28]
Investment, interest rate, paid in cash 15.40% [1],[2],[3],[4],[27] 15.90% [5],[6],[7],[8],[28]
Investments owned, fair value $ 30,000 [27] $ 30,000 [28]
Principal amount 30,000 [18],[19],[27] 30,000 [25],[26],[28]
Cost 30,000 [27] 30,000 [28]
Investment, Identifier [Axis]: TNCP Intermediate HoldCo, LLC – Common Equity Units    
Schedule of Investments [Line Items]    
Investments owned, fair value 5,445 [16],[17] 4,312 [29],[30]
Cost $ 500 [16],[17] $ 500 [29],[30]
Shares 790,000 [16],[17],[18],[19] 790,000 [25],[26],[29],[30]
Investment, Identifier [Axis]: TNCP Intermediate HoldCo, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Investment, interest rate, paid in cash [1],[2],[3],[4],[17],[32] 11.00%  
Line of credit facility, available [1],[2],[3],[4],[17],[32] $ 2,000  
Investments owned, fair value 0 [17],[32] $ 0 [30],[35]
Principal amount 0 [17],[18],[19],[32] 0 [25],[26],[30],[35]
Cost 0 [17],[32] $ 0 [30],[35]
Investment, Identifier [Axis]: TNCP Intermediate HoldCo, LLC—-Line of Credit    
Schedule of Investments [Line Items]    
Investment, interest rate, paid in cash [5],[6],[7],[8],[30],[35]   11.00%
Line of credit facility, available [5],[6],[7],[8],[30],[35]   $ 2,000
Investment, Identifier [Axis]: Technical Resource Management, LLC – Common Stock    
Schedule of Investments [Line Items]    
Investments owned, fair value 0 [16],[17] 34 [29],[30]
Cost $ 2,000 [16],[17] $ 2,000 [29],[30]
Shares 2,000,000 [16],[17],[18],[19] 2,000,000 [25],[26],[29],[30]
Investment, Identifier [Axis]: Technical Resource Management, LLC – Common Warrants    
Schedule of Investments [Line Items]    
Investments owned, fair value [16],[17] $ 0  
Cost [16],[17] $ 0  
Shares [16],[17],[18],[19] 4,558,041  
Investment, Identifier [Axis]: Technical Resource Management, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [5],[6],[7],[8],[28]   8.00%
Investment, interest rate, paid in cash [5],[6],[7],[8],[28]   12.80%
Line of credit facility, available [5],[6],[7],[8],[28]   $ 1,000
Investments owned, fair value [28]   2,008
Principal amount [25],[26],[28]   2,000
Cost [28]   $ 2,000
Investment, Identifier [Axis]: Technical Resource Management, LLC – Line of Credit 1    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [1],[2],[3],[4],[17] 10.50%  
Investment, interest rate, paid in cash [1],[2],[3],[4],[17] 10.30%  
Investment, interest rate, paid in kind [1],[2],[3],[4],[17] 4.50%  
Line of credit facility, available [1],[2],[3],[4],[17] $ 0  
Investments owned, fair value [17] 2,942  
Principal amount [17],[18],[19] 3,041  
Cost [17] $ 3,041  
Investment, Identifier [Axis]: Technical Resource Management, LLC – Line of Credit 2    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [1],[2],[3],[4],[17] 10.50%  
Investment, interest rate, paid in cash [1],[2],[3],[4],[17] 10.30%  
Investment, interest rate, paid in kind [1],[2],[3],[4],[17] 4.50%  
Line of credit facility, available [1],[2],[3],[4],[17] $ 400  
Investments owned, fair value [17] 1,161  
Principal amount [17],[18],[19] 1,200  
Cost [17] $ 1,200  
Investment, Identifier [Axis]: Technical Resource Management, LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 10.50% [1],[2],[3],[4],[17] 8.00% [5],[6],[7],[8],[28]
Investment, interest rate, paid in cash 10.30% [1],[2],[3],[4],[17] 12.80% [5],[6],[7],[8],[28]
Investment, interest rate, paid in kind 4.50% [1],[2],[3],[4],[17] 2.50% [5],[6],[7],[8],[28]
Investments owned, fair value $ 23,058 [17] $ 23,327 [28]
Principal amount 23,836 [17],[18],[19] 23,234 [25],[26],[28]
Cost $ 23,836 [17] $ 23,158 [28]
Investment, Identifier [Axis]: Technical Resource Management, LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, interest rate, paid in kind [1],[2],[3],[4],[17],[32] 14.00%  
Investments owned, fair value [17],[32] $ 334  
Principal amount [17],[18],[19],[32] 345  
Cost [17],[32] 345  
Investment, Identifier [Axis]: Torrent Photonics Holdco LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [5],[6],[7],[8],[28]   9.50%
Investment, interest rate, paid in cash [5],[6],[7],[8],[28]   14.30%
Investments owned, fair value [28]   $ 12,265
Principal amount [25],[26],[28]   12,149
Cost [28]   12,128
Investment, Identifier [Axis]: Torrent Photonics Holdco LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Investments owned, fair value 2,599 [16],[17] 552 [29],[30]
Cost $ 2,650 [16],[17] $ 2,650 [29],[30]
Shares 2,650 [16],[17],[18],[19] 2,650 [25],[26],[29],[30]
Investment, Identifier [Axis]: Torrent Photonics Holdco LLC – Term Debt 1    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [1],[2],[3],[4],[27] 9.50%  
Investment, interest rate, paid in cash [1],[2],[3],[4],[27] 13.80%  
Investments owned, fair value [27] $ 11,675  
Principal amount [18],[19],[27] 11,559  
Cost [27] $ 11,559  
Investment, Identifier [Axis]: Torrent Photonics Holdco LLC – Term Debt 2    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [1],[2],[3],[4],[27] 9.50%  
Investment, interest rate, paid in cash [1],[2],[3],[4],[27] 13.80%  
Investments owned, fair value [27] $ 505  
Principal amount [18],[19],[27] 500  
Cost [27] 500  
Investment, Identifier [Axis]: Total Access Elevator, LLC – Common Equity    
Schedule of Investments [Line Items]    
Investments owned, fair value [29],[30]   $ 1,234
Cost [29],[30]   $ 750
Shares [25],[26],[29],[30]   750,000
Investment, Identifier [Axis]: Total Access Elevator, LLC – Common Stock    
Schedule of Investments [Line Items]    
Investments owned, fair value [16],[17] 1,296  
Cost [16],[17] $ 750  
Shares [16],[17],[18],[19] 750,000  
Investment, Identifier [Axis]: Total Access Elevator, LLC – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 6.90% [1],[2],[3],[4],[27] 6.90% [5],[6],[7],[8],[28]
Investment, interest rate, paid in cash 11.20% [1],[2],[3],[4],[27] 11.70% [5],[6],[7],[8],[28]
Line of credit facility, available $ 2,500 [1],[2],[3],[4],[27] $ 2,500 [5],[6],[7],[8],[28]
Investments owned, fair value 0 [27] 0 [28]
Principal amount 0 [18],[19],[27] 0 [25],[26],[28]
Cost $ 0 [27] $ 0 [28]
Investment, Identifier [Axis]: Total Access Elevator, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 6.90% [1],[2],[3],[4],[27] 6.90% [5],[6],[7],[8],[28]
Investment, interest rate, paid in cash 11.20% [1],[2],[3],[4],[27] 11.70% [5],[6],[7],[8],[28]
Line of credit facility, available $ 3,000 [1],[2],[3],[4],[27] $ 3,000 [5],[6],[7],[8],[28]
Investments owned, fair value 0 [27] 0 [28]
Principal amount 0 [18],[19],[27] 0 [25],[26],[28]
Cost $ 0 [27] $ 0 [28]
Investment, Identifier [Axis]: Total Access Elevator, LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 6.90% [1],[2],[3],[4],[27] 6.90% [5],[6],[7],[8],[28]
Investment, interest rate, paid in cash 11.20% [1],[2],[3],[4],[27] 11.70% [5],[6],[7],[8],[28]
Investments owned, fair value $ 6,630 [27] $ 6,695 [28]
Principal amount 6,500 [18],[19],[27] 6,500 [25],[26],[28]
Cost 6,500 [27] 6,500 [28]
Investment, Identifier [Axis]: Total Safety Holdings, LLC – Common Equity    
Schedule of Investments [Line Items]    
Investments owned, fair value 89 [16],[17] 101 [29],[30]
Cost $ 499 [16],[17] $ 499 [29],[30]
Shares 435 [16],[17],[18],[19] 435 [25],[26],[29],[30]
Investment, Identifier [Axis]: Triple H Food Processors, LLC – Common Stock    
Schedule of Investments [Line Items]    
Investments owned, fair value $ 1,702 [16],[17] $ 1,346 [29],[30]
Cost $ 250 [16],[17] $ 250 [29],[30]
Shares 250,000 [16],[17],[18],[19] 250,000 [25],[26],[29],[30]
Investment, Identifier [Axis]: Triple H Food Processors, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Investments owned, fair value $ 190 [16],[17] $ 167 [29],[30]
Cost $ 75 [16],[17] $ 75 [29],[30]
Shares 75 [16],[17],[18],[19] 75 [25],[26],[29],[30]
Investment, Identifier [Axis]: Tube Bending Technology, LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, interest rate, paid in cash [1],[2],[3],[4],[27],[32] 13.50%  
Investments owned, fair value [27],[32] $ 4,933  
Principal amount [18],[19],[27],[32] 5,000  
Cost [27],[32] $ 5,000  
Investment, Identifier [Axis]: Turn Key Health Clinics, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 7.30% [1],[2],[3],[4],[27] 7.30% [5],[6],[7],[8],[28]
Investment, interest rate, paid in cash 11.60% [1],[2],[3],[4],[27] 12.10% [5],[6],[7],[8],[28]
Line of credit facility, available $ 4,000 [1],[2],[3],[4],[27] $ 4,000 [5],[6],[7],[8],[28]
Investments owned, fair value 0 [27] 0 [28]
Principal amount 0 [18],[19],[27] 0 [25],[26],[28]
Cost $ 0 [27] $ 0 [28]
Investment, Identifier [Axis]: Turn Key Health Clinics, LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 7.30% [1],[2],[3],[4],[27] 7.30% [5],[6],[7],[8],[28]
Investment, interest rate, paid in cash 11.60% [1],[2],[3],[4],[27] 12.10% [5],[6],[7],[8],[28]
Investments owned, fair value $ 17,500 [27] $ 17,500 [28]
Principal amount 17,500 [18],[19],[27] 17,500 [25],[26],[28]
Cost $ 17,500 [27] $ 17,500 [28]
Investment, Identifier [Axis]: Unirac Holdings, Inc. – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 6.50% [1],[2],[3],[4],[27] 6.50% [5],[6],[7],[8],[28]
Investment, interest rate, paid in cash 10.80% [1],[2],[3],[4],[27] 11.30% [5],[6],[7],[8],[28]
Line of credit facility, available $ 0 [1],[2],[3],[4],[27] $ 0 [5],[6],[7],[8],[28]
Investments owned, fair value 1,081 [27] 1,108 [28]
Principal amount 1,081 [18],[19],[27] 1,097 [25],[26],[28]
Cost $ 1,081 [27] $ 1,097 [28]
Investment, Identifier [Axis]: Unirac Holdings, Inc. – Line of Credit    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 6.50% [1],[2],[3],[4],[27] 6.50% [5],[6],[7],[8],[28]
Investment, interest rate, paid in cash 10.80% [1],[2],[3],[4],[27] 11.30% [5],[6],[7],[8],[28]
Line of credit facility, available $ 1,856 [1],[2],[3],[4],[27] $ 1,244 [5],[6],[7],[8],[28]
Investments owned, fair value 367 [27] 978 [28]
Principal amount 367 [18],[19],[27] 978 [25],[26],[28]
Cost $ 367 [27] $ 978 [28]
Investment, Identifier [Axis]: Unirac Holdings, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 6.50% [1],[2],[3],[4],[27] 6.50% [5],[6],[7],[8],[28]
Investment, interest rate, paid in cash 10.80% [1],[2],[3],[4],[27] 11.30% [5],[6],[7],[8],[28]
Investments owned, fair value $ 14,513 [27] $ 14,885 [28]
Principal amount 14,513 [18],[19],[27] 14,738 [25],[26],[28]
Cost $ 14,270 [27] $ 14,494 [28]
Investment, Identifier [Axis]: Vet's Choice Radiology LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [1],[2],[3],[4],[20],[27] 8.00%  
Investment, interest rate, paid in cash [1],[2],[3],[4],[20],[27] 12.30%  
Investments owned, fair value [20],[27] $ 42,391  
Principal amount [18],[19],[20],[27] 42,750  
Cost [20],[27] $ 42,750  
Investment, Identifier [Axis]: Viron International Corp. – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [1],[2],[3],[4],[20],[27] 7.00%  
Investment, interest rate, paid in cash [1],[2],[3],[4],[20],[27] 11.30%  
Investments owned, fair value [20],[27] $ 18,881  
Principal amount [18],[19],[20],[27] 19,108  
Cost [20],[27] $ 19,108  
Investment, Identifier [Axis]: Viva Railings, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 6.40% [1],[2],[3],[4],[27] 7.10% [5],[6],[7],[8],[28]
Investment, interest rate, paid in cash 10.70% [1],[2],[3],[4],[27] 11.90% [5],[6],[7],[8],[28]
Line of credit facility, available $ 4,000 [1],[2],[3],[4],[27] $ 4,000 [5],[6],[7],[8],[28]
Investments owned, fair value 0 [27] 0 [28]
Principal amount 0 [18],[19],[27] 0 [25],[26],[28]
Cost $ 0 [27] $ 0 [28]
Investment, Identifier [Axis]: Viva Railings, LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 6.40% [1],[2],[3],[4],[27] 7.10% [5],[6],[7],[8],[28]
Investment, interest rate, paid in cash 10.70% [1],[2],[3],[4],[27] 11.90% [5],[6],[7],[8],[28]
Investments owned, fair value $ 13,839 [27] $ 20,202 [28]
Principal amount 13,875 [18],[19],[27] 20,202 [25],[26],[28]
Cost 13,875 [27] 20,202 [28]
Investment, Identifier [Axis]: WB Xcel Holdings, LLC - Preferred Stock    
Schedule of Investments [Line Items]    
Investments owned, fair value [16],[17] 0  
Cost [16],[17] $ 2,750  
Shares [16],[17],[18],[19] 333  
Investment, Identifier [Axis]: WB Xcel Holdings, LLC – Common Units    
Schedule of Investments [Line Items]    
Investments owned, fair value [16],[17] $ 0  
Cost [16],[17] $ 1  
Shares [16],[17],[18],[19] 12,340  
Investment, Identifier [Axis]: WB Xcel Holdings, LLC – Common Warrant    
Schedule of Investments [Line Items]    
Investments owned, fair value [29],[30]   0
Cost [29],[30]   $ 1
Shares [25],[26],[29],[30]   1
Investment, Identifier [Axis]: WB Xcel Holdings, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 10.50% [1],[2],[3],[4],[17] 10.50% [5],[6],[7],[8],[30],[34]
Investment, interest rate, paid in cash 14.80% [1],[2],[3],[4],[17] 15.30% [5],[6],[7],[8],[30],[34]
Line of credit facility, available $ 0 [1],[2],[3],[4],[17] $ 0 [5],[6],[7],[8],[30],[34]
Investments owned, fair value 2,763 [17] 3,171 [30],[34]
Principal amount 5,150 [17],[18],[19] 4,750 [25],[26],[30],[34]
Cost $ 5,150 [17] 4,750 [30],[34]
Investment, Identifier [Axis]: WB Xcel Holdings, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Investments owned, fair value [29],[30]   0
Cost [29],[30]   $ 2,750
Shares [25],[26],[29],[30]   333
Investment, Identifier [Axis]: WB Xcel Holdings, LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [5],[6],[7],[8],[30],[34]   10.50%
Investment, interest rate, paid in cash [5],[6],[7],[8],[30],[34]   15.30%
Investments owned, fair value [30],[34]   $ 6,525
Principal amount [25],[26],[30],[34]   9,775
Cost [30],[34]   9,775
Investment, Identifier [Axis]: WB Xcel Holdings, LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [1],[2],[3],[4],[17] 10.50%  
Investment, interest rate, paid in cash [1],[2],[3],[4],[17] 14.80%  
Investments owned, fair value [17] $ 5,245  
Principal amount [17],[18],[19] 9,775  
Cost [17] $ 9,775  
Investment, Identifier [Axis]: Wings ‘N More Restaurants LLC – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [1],[2],[3],[4],[27] 6.80%  
Investment, interest rate, paid in cash [1],[2],[3],[4],[27] 11.10%  
Line of credit facility, available [1],[2],[3],[4],[27] $ 5,000  
Investments owned, fair value [27] 0  
Principal amount [18],[19],[27] 0  
Cost [27] $ 0  
Investment, Identifier [Axis]: Wings ‘N More Restaurants LLC – Line of Credit    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [1],[2],[3],[4],[27] 6.80%  
Investment, interest rate, paid in cash [1],[2],[3],[4],[27] 11.10%  
Line of credit facility, available [1],[2],[3],[4],[27] $ 1,500  
Investments owned, fair value [27] 0  
Principal amount [18],[19],[27] 0  
Cost [27] $ 0  
Investment, Identifier [Axis]: Wings ‘N More Restaurants LLC – Term Debt    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [1],[2],[3],[4],[27] 6.80%  
Investment, interest rate, paid in cash [1],[2],[3],[4],[27] 11.10%  
Investments owned, fair value [27] $ 10,460  
Principal amount [18],[19],[27] 10,500  
Cost [27] 10,500  
Investment, Identifier [Axis]: WorkforceQA, LLC – Common Stock    
Schedule of Investments [Line Items]    
Investments owned, fair value 495 [16],[17] 346 [29],[30]
Cost $ 532 [16],[17] $ 532 [29],[30]
Shares 529 [16],[17],[18],[19] 532 [25],[26],[29],[30]
Investment, Identifier [Axis]: WorkforceQA, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 6.30% [1],[2],[3],[4],[27] 6.50% [5],[6],[7],[8],[28]
Investment, interest rate, paid in cash 10.60% [1],[2],[3],[4],[27] 11.30% [5],[6],[7],[8],[28]
Line of credit facility, available $ 900 [1],[2],[3],[4],[27] $ 800 [5],[6],[7],[8],[28]
Investments owned, fair value 1,100 [27] 1,200 [28]
Principal amount 1,100 [18],[19],[27] 1,200 [25],[26],[28]
Cost $ 1,100 [27] $ 1,200 [28]
Investment, Identifier [Axis]: WorkforceQA, LLC – Term Debt 1    
Schedule of Investments [Line Items]    
Investment, reference rate and spread 6.30% [1],[2],[3],[4],[27] 6.50% [5],[6],[7],[8],[28]
Investment, interest rate, paid in cash 10.60% [1],[2],[3],[4],[27] 11.30% [5],[6],[7],[8],[28]
Investments owned, fair value $ 17,963 [27] $ 16,306 [28]
Principal amount 17,963 [18],[19],[27] 16,306 [25],[26],[28]
Cost $ 17,920 [27] $ 16,286 [28]
Investment, Identifier [Axis]: WorkforceQA, LLC – Term Debt 2    
Schedule of Investments [Line Items]    
Investment, reference rate and spread [5],[6],[7],[8],[28]   7.50%
Investment, interest rate, paid in cash [5],[6],[7],[8],[28]   12.30%
Investments owned, fair value [28]   $ 2,406
Principal amount [25],[26],[28]   2,406
Cost [28]   $ 2,403
[1] Category percentages represent the fair value of each category and subcategory as a percentage of net assets as of June 30, 2025.
[2] Certain of the securities listed in this schedule are issued by affiliate(s) of the indicated portfolio company. The majority of the securities listed, totaling $667.7 million at fair value, are pledged as collateral under our revolving line of credit, as described further in Note 5—Borrowings in the accompanying Notes to Consolidated Financial Statements. Under the Investment Company Act of 1940, as amended (the “1940 Act”), we may not acquire any non-qualifying assets unless, at the time such acquisition is made, qualifying assets represent at least 70% of our total assets. As of June 30, 2025, our investments in Leeds Novamark Capital I, L.P. (“Leeds”) and Gladstone Alternative Income Fund (“Gladstone Alternative”) are considered non-qualifying assets under Section 55 of the 1940 Act. Such non-qualifying assets represent 0.7% of total investments, at fair value, as of June 30, 2025.
[3] Unless indicated otherwise, all of our investments are valued using Level 3 inputs within the Financial Accounting Standards Board (“FASB”) Accounting Standard Codification (“ASC”) Topic 820, “Fair Value Measurements and Disclosures” (“ASC 820”) fair value hierarchy. Refer to Note 3—Investments in the accompanying Notes to Consolidated Financial Statements for additional information.
[4] Unless indicated otherwise, all cash interest rates are indexed to one-month Secured Overnight Financing Rate (“SOFR” or “S”), which was 4.32% as of June 30, 2025. If applicable, paid-in-kind (“PIK”) interest rates are noted separately from the cash interest rate. Certain securities are subject to an interest rate floor. The cash interest rate is the greater of the floor or the reference rate plus a spread. Due dates represent the contractual maturity date.
[5] Category percentages represent the fair value of each category and subcategory as a percentage of net assets as of September 30, 2024.
[6] Certain of the securities listed in this schedule are issued by affiliate(s) of the indicated portfolio company. The majority of the securities listed, totaling $714.4 million at fair value, are pledged as collateral under our revolving line of credit, as described further in Note 5—Borrowings in the accompanying Notes to Consolidated Financial Statements. Under the 1940 Act, we may not acquire any non-qualifying assets unless, at the time such acquisition is made, qualifying assets represent at least 70% of our total assets. As of September 30, 2024, our investment in Leeds is considered a non-qualifying asset under Section 55 of the 1940 Act. Such non-qualifying assets represent less than 0.1% of total investments, at fair value, as of September 30, 2024.
[7] Unless indicated otherwise, all of our investments are valued using Level 3 inputs within the ASC 820 fair value hierarchy. Refer to Note 3—Investments in the accompanying Notes to Consolidated Financial Statements for additional information.
[8] Unless indicated otherwise, all cash interest rates are indexed to one-month SOFR, which was 4.85% as of September 30, 2024. If applicable, PIK interest rates are noted separately from the cash interest rate. Certain securities are subject to an interest rate floor. The cash interest rate is the greater of the floor or SOFR plus a spread. Due dates represent the contractual maturity date.
[9] Cumulative gross unrealized depreciation for federal income tax purposes is $66.1 million; cumulative gross unrealized appreciation for federal income tax purposes is $85.8 million. Cumulative net unrealized appreciation is $19.7 million, based on a tax cost of $776.5 million.
[10] Non-Control/Non-Affiliate investments, as defined by the 1940 Act, are those that are neither Control nor Affiliate investments and in which we own less than 5.0% of the issued and outstanding voting securities.
[11] Non-Control/Non-Affiliate investments, as defined by the 1940 Act, are those that are neither Control nor Affiliate investments and in which we own less than 5.0% of the issued and outstanding voting securities.
[12] Affiliate investments, as defined by the 1940 Act, are those in which we own, with the power to vote, between and inclusive of 5.0% and 25.0% of the issued and outstanding voting securities.
[13] Affiliate investments, as defined by the 1940 Act, are those in which we own, with the power to vote, between and inclusive of 5.0% and 25.0% of the issued and outstanding voting securities.
[14] Control investments, as defined by the 1940 Act, are those where we have the power to exercise a controlling influence over the management or policies of the portfolio company, which may include owning, with the power to vote, more than 25.0% of the issued and outstanding voting securities.
[15] Control investments, as defined by the 1940 Act, are those where we have the power to exercise a controlling influence over the management or policies of the portfolio company, which may include owning, with the power to vote, more than 25.0% of the issued and outstanding voting securities.
[16] Security is non-income producing.
[17] Fair value was based on the total enterprise value of the portfolio company, which was then allocated to the portfolio company’s securities in order of their relative priority in the capital structure.
[18] Where applicable, aggregates all shares of a class of stock owned without regard to specific series owned within such class (some series of which may or may not be voting shares) or aggregates all warrants to purchase shares of a class of stock owned without regard to specific series of such class of stock such warrants allow us to purchase.
[19] Represents the principal balance for debt investments and the number of shares/units held for equity investments. Warrants are represented as a percentage of ownership, as applicable.
[20] One or more of our affiliated funds, Gladstone Investment Corporation or Gladstone Alternative, co-invested with us in this portfolio company pursuant to an exemptive order granted by the U.S. Securities and Exchange Commission.
[21] Fair value was based on the indicative bid price on or near June 30, 2025, offered by the respective syndication agent’s trading desk.
[22] The cash interest rate on this investment was indexed to the U.S. Prime Rate, which was 7.50% as of June 30, 2025.
[23] Investment was exited subsequent to June 30, 2025. Refer to Note 12 – Subsequent Events in the accompanying Notes to the Consolidated Financial Statements for additional information.
[24] Fair value was based on the indicative bid price on or near September 30, 2024, offered by the respective syndication agent’s trading desk.
[25] Represents the principal balance for debt investments and the number of shares/units held for equity investments. Warrants are represented as a percentage of ownership, as applicable.
[26] Where applicable, aggregates all shares of a class of stock owned without regard to specific series owned within such class (some series of which may or may not be voting shares) or aggregates all warrants to purchase shares of a class of stock owned without regard to specific series of such class of stock such warrants allow us to purchase
[27] Fair value was based on an internal yield analysis or on estimates of value submitted by a third party valuation firm.
[28] Fair value was based on an internal yield analysis or on estimates of value submitted by a third party valuation firm.
[29] Security is non-income producing.
[30] Fair value was based on the total enterprise value of the portfolio company, which was then allocated to the portfolio company’s securities in order of their relative priority in the capital structure.
[31] Investment was exited subsequent to September 30, 2024.
[32] Debt security has a fixed interest rate.
[33] One of our affiliated funds, Gladstone Investment Corporation, co-invested with us in this portfolio company pursuant to an exemptive order granted by the U.S. Securities and Exchange Commission.
[34] Debt security is on non-accrual status.
[35] Debt security has a fixed interest rate.
[36] Debt security is on non-accrual status.
[37] The cash interest rate on this investment was indexed to 90-day SOFR, which was 4.29% as of June 30, 2025.
[38] Fair value was based on net asset value provided by the underlying fund as a practical expedient.
[39] The cash interest rate on this investment was indexed to 90-day SOFR, which was 4.59% as of September 30, 2024
[40] There are certain limitations on our ability to withdraw our partnership interest prior to dissolution of the entity, which must occur no later than May 9, 2024 or two years after all outstanding leverage has matured.
[41] Fair value was based on net asset value provided by the fund as a practical expedient.
[42] There are certain limitations on our ability to withdraw our partnership interest prior to dissolution of the entity, which must occur no later than May 9, 2024 or two years after all outstanding leverage has matured.