v3.26.1
PORTFOLIO INVESTMENTS AND FAIR VALUE - Aggregate Values of Level 3 Portfolio Investments Change (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
PORTFOLIO INVESTMENTS AND FAIR VALUE      
Fair value at beginning of period $ 1,007,623,395 $ 953,497,688 $ 953,497,688
Purchases of investments 27,675,502   195,734,550
PIK interest 1,674,387   5,756,272
Sales and redemptions (41,603,937)   (141,494,004)
Realized (losses) gains $ 719,121   $ 1,462,477
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Realized Investment Gains (Losses)   Realized Investment Gains (Losses)
Change in unrealized (depreciation) appreciation included in earnings $ (6,548,346)   $ (11,106,931)
Change in unrealized appreciation on foreign currency included in earnings (259,119)   881,660
Amortization of premium and accretion of discount, net 713,561 715,755 (2,891,683)
Fair value at end of period 989,994,564   1,007,623,395
Level 3 transfers 0   0
Senior SecuredLoans-First Lien      
PORTFOLIO INVESTMENTS AND FAIR VALUE      
Fair value at beginning of period 908,669,800 856,096,255 856,096,255
Purchases of investments 26,571,073   186,821,022
PIK interest 1,670,654   5,188,864
Sales and redemptions (40,554,410)   (121,906,047)
Realized (losses) gains     (5,651,690)
Change in unrealized (depreciation) appreciation included in earnings (5,125,399)   (15,593,776)
Change in unrealized appreciation on foreign currency included in earnings (253,371)   874,729
Amortization of premium and accretion of discount, net 710,214   (2,840,443)
Fair value at end of period 891,688,561   908,669,800
Senior Secured Loans-Second Lien      
PORTFOLIO INVESTMENTS AND FAIR VALUE      
Fair value at beginning of period 12,025,000 11,948,850 11,948,850
Change in unrealized (depreciation) appreciation included in earnings (3,347)   38,229
Amortization of premium and accretion of discount, net 3,347   (37,921)
Fair value at end of period 12,025,000   12,025,000
Unsecured Debt      
PORTFOLIO INVESTMENTS AND FAIR VALUE      
Fair value at beginning of period 123,789 6,612,493 6,612,493
Purchases of investments     9,454
PIK interest 3,733   561,606
Sales and redemptions (10,305)   (7,021,819)
Change in unrealized (depreciation) appreciation included in earnings (35,479)   (53,944)
Change in unrealized appreciation on foreign currency included in earnings (1,068)   2,680
Amortization of premium and accretion of discount, net     (13,319)
Fair value at end of period 80,670   123,789
Equity Securities      
PORTFOLIO INVESTMENTS AND FAIR VALUE      
Fair value at beginning of period 86,804,806 $ 78,840,090 78,840,090
Purchases of investments 1,104,429   8,904,074
PIK interest     5,802
Sales and redemptions (1,039,222)   (12,566,138)
Realized (losses) gains 719,121   7,114,167
Change in unrealized (depreciation) appreciation included in earnings (1,384,121)   4,502,560
Change in unrealized appreciation on foreign currency included in earnings (4,680)   4,251
Fair value at end of period $ 86,200,333   $ 86,804,806