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PORTFOLIO INVESTMENTS AND FAIR VALUE - Fair Values of Investments Disaggregated into Three Levels of Fair Value Hierarchy (Details) - USD ($)
Mar. 31, 2026
Dec. 31, 2025
PORTFOLIO INVESTMENTS AND FAIR VALUE    
Fair value of investments $ 989,994,564 $ 1,007,623,395
Senior SecuredLoans-First Lien    
PORTFOLIO INVESTMENTS AND FAIR VALUE    
Fair value of investments 891,688,561 908,669,800
Senior Secured Loans-Second Lien    
PORTFOLIO INVESTMENTS AND FAIR VALUE    
Fair value of investments 12,025,000 12,025,000
Unsecured Debt    
PORTFOLIO INVESTMENTS AND FAIR VALUE    
Fair value of investments 80,670 123,789
Equity Securities    
PORTFOLIO INVESTMENTS AND FAIR VALUE    
Fair value of investments 86,200,333 86,804,806
Significant Unobservable Inputs (Level 3)    
PORTFOLIO INVESTMENTS AND FAIR VALUE    
Fair value of investments 989,994,564 1,007,623,395
Significant Unobservable Inputs (Level 3) | Senior SecuredLoans-First Lien    
PORTFOLIO INVESTMENTS AND FAIR VALUE    
Fair value of investments 891,688,561 908,669,800
Significant Unobservable Inputs (Level 3) | Senior Secured Loans-Second Lien    
PORTFOLIO INVESTMENTS AND FAIR VALUE    
Fair value of investments 12,025,000 12,025,000
Significant Unobservable Inputs (Level 3) | Unsecured Debt    
PORTFOLIO INVESTMENTS AND FAIR VALUE    
Fair value of investments 80,670 123,789
Significant Unobservable Inputs (Level 3) | Equity Securities    
PORTFOLIO INVESTMENTS AND FAIR VALUE    
Fair value of investments $ 86,200,333 $ 86,804,806