PORTFOLIO INVESTMENTS AND FAIR VALUE - Fair Values of Investments Disaggregated into Three Levels of Fair Value Hierarchy (Details) - USD ($)	Jun. 30, 2024	Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of investments	$ 899,678,449	$ 874,460,683
Senior SecuredLoans-First Lien
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of investments	807,170,632	774,789,320
Senior Secured Loans-Second Lien
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of investments	11,948,850	21,957,500
Unsecured Debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of investments	6,434,510	5,956,280
Equity Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of investments	74,124,457	71,757,583
Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of investments	899,678,449	874,460,683
Significant Unobservable Inputs (Level 3) | Senior SecuredLoans-First Lien
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of investments	807,170,632	774,789,320
Significant Unobservable Inputs (Level 3) | Senior Secured Loans-Second Lien
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of investments	11,948,850	21,957,500
Significant Unobservable Inputs (Level 3) | Unsecured Debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of investments	6,434,510	5,956,280
Significant Unobservable Inputs (Level 3) | Equity Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of investments	$ 74,124,457	$ 71,757,583