PORTFOLIO INVESTMENTS AND FAIR VALUE - Quantitative Information About Level 3 Fair Value Measurements (Details)	Mar. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value of investments	$ 877,493,781	$ 844,733,638
Significant Unobservable Inputs (Level 3)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value of investments	877,493,781	844,733,638
Senior SecuredLoans-First Lien
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value of investments	767,818,131	735,555,508
Senior SecuredLoans-First Lien | Significant Unobservable Inputs (Level 3)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value of investments	767,818,131
Senior SecuredLoans-First Lien | Income/Market approach | Significant Unobservable Inputs (Level 3)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value of investments	$ 767,818,131	$ 735,555,508
Senior SecuredLoans-First Lien | Minimum | Income/Market approach | Significant Unobservable Inputs (Level 3) | HY credit spreads
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt	(0.0057)	(0.0229)
Senior SecuredLoans-First Lien | Minimum | Income/Market approach | Significant Unobservable Inputs (Level 3) | Risk free rates
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt	(0.0176)	(0.0143)
Senior SecuredLoans-First Lien | Minimum | Income/Market approach | Significant Unobservable Inputs (Level 3) | Market multiples
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt	0.045	0.045
Senior SecuredLoans-First Lien | Maximum | Income/Market approach | Significant Unobservable Inputs (Level 3) | HY credit spreads
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt	0.0860	0.0653
Senior SecuredLoans-First Lien | Maximum | Income/Market approach | Significant Unobservable Inputs (Level 3) | Risk free rates
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt	0.0361	0.0431
Senior SecuredLoans-First Lien | Maximum | Income/Market approach | Significant Unobservable Inputs (Level 3) | Market multiples
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt	0.193	0.193
Senior SecuredLoans-First Lien | Weighted average | Significant Unobservable Inputs (Level 3) | HY credit spreads
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt	0.0109	0.0152
Senior SecuredLoans-First Lien | Weighted average | Income/Market approach | Significant Unobservable Inputs (Level 3) | HY credit spreads
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt	(0.0109)	(0.0152)
Senior SecuredLoans-First Lien | Weighted average | Income/Market approach | Significant Unobservable Inputs (Level 3) | Risk free rates
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt	(0.0157)	(0.0231)
Senior SecuredLoans-First Lien | Weighted average | Income/Market approach | Significant Unobservable Inputs (Level 3) | Market multiples
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt	0.100	0.101
Senior Secured Loans-Second Lien
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value of investments	$ 43,780,075	$ 45,304,300
Senior Secured Loans-Second Lien | Significant Unobservable Inputs (Level 3)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value of investments	43,780,075
Senior Secured Loans-Second Lien | Income/Market approach | Significant Unobservable Inputs (Level 3)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value of investments	$ 43,780,075	$ 45,304,300
Senior Secured Loans-Second Lien | Minimum | Income/Market approach | Significant Unobservable Inputs (Level 3) | HY credit spreads
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt	(0.0060)	(0.0017)
Senior Secured Loans-Second Lien | Minimum | Income/Market approach | Significant Unobservable Inputs (Level 3) | Risk free rates
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt	(0.0036)	(0.0002)
Senior Secured Loans-Second Lien | Minimum | Income/Market approach | Significant Unobservable Inputs (Level 3) | Market multiples
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt	0.056	0.056
Senior Secured Loans-Second Lien | Maximum | Income/Market approach | Significant Unobservable Inputs (Level 3) | HY credit spreads
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt	0.0360	0.0518
Senior Secured Loans-Second Lien | Maximum | Income/Market approach | Significant Unobservable Inputs (Level 3) | Risk free rates
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt	0.0358	0.0391
Senior Secured Loans-Second Lien | Maximum | Income/Market approach | Significant Unobservable Inputs (Level 3) | Market multiples
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt	0.151	0.151
Senior Secured Loans-Second Lien | Weighted average | Income/Market approach | Significant Unobservable Inputs (Level 3) | HY credit spreads
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt	(0.0144)	(0.0239)
Senior Secured Loans-Second Lien | Weighted average | Income/Market approach | Significant Unobservable Inputs (Level 3) | Risk free rates
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt	(0.0182)	(0.0194)
Senior Secured Loans-Second Lien | Weighted average | Income/Market approach | Significant Unobservable Inputs (Level 3) | Market multiples
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt	0.114	0.114
Unsecured Debt
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value of investments	$ 5,428,810	$ 4,823,898
Unsecured Debt | Significant Unobservable Inputs (Level 3)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value of investments	5,428,810
Unsecured Debt | Income/Market approach | Significant Unobservable Inputs (Level 3)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value of investments	$ 5,428,810	$ 4,823,898
Unsecured Debt | Minimum | Income/Market approach | Significant Unobservable Inputs (Level 3) | HY credit spreads
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt	0.0639	0.0797
Unsecured Debt | Minimum | Income/Market approach | Significant Unobservable Inputs (Level 3) | Risk free rates
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt	0.0330	0.0363
Unsecured Debt | Minimum | Income/Market approach | Significant Unobservable Inputs (Level 3) | Market multiples
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt	0.091	0.091
Unsecured Debt | Maximum | Income/Market approach | Significant Unobservable Inputs (Level 3) | HY credit spreads
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt	0.0639	0.0797
Unsecured Debt | Maximum | Income/Market approach | Significant Unobservable Inputs (Level 3) | Risk free rates
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt	0.0330	0.0363
Unsecured Debt | Maximum | Income/Market approach | Significant Unobservable Inputs (Level 3) | Market multiples
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt	0.091	0.091
Unsecured Debt | Weighted average | Income/Market approach | Significant Unobservable Inputs (Level 3) | HY credit spreads
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt	(0.0639)	0.0797
Unsecured Debt | Weighted average | Income/Market approach | Significant Unobservable Inputs (Level 3) | Risk free rates
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt	(0.0330)	(0.0363)
Unsecured Debt | Weighted average | Income/Market approach | Significant Unobservable Inputs (Level 3) | Market multiples
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt	0.091	0.091
Equity Securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value of investments	$ 60,466,765	$ 59,049,932
Equity Securities | Significant Unobservable Inputs (Level 3)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value of investments	60,466,765
Equity Securities | Market approach | Significant Unobservable Inputs (Level 3)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value of investments	$ 60,466,765	$ 59,049,932
Equity Securities | Minimum | Market approach | Significant Unobservable Inputs (Level 3) | Underwriting EBITDA Multiple
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Equity investments	0.013	0.013
Equity Securities | Maximum | Market approach | Significant Unobservable Inputs (Level 3) | Underwriting EBITDA Multiple
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Equity investments	0.246	0.248
Equity Securities | Weighted average | Market approach | Significant Unobservable Inputs (Level 3) | Underwriting EBITDA Multiple
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Equity investments	0.118	0.117