PORTFOLIO INVESTMENTS AND FAIR VALUE - Total Fair Value and Cost of Investments (Details)	3 Months Ended	12 Months Ended
	Mar. 31, 2026 USD ($) company	Dec. 31, 2025 USD ($) company
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 1,015,318,318	$ 1,026,139,686
Fair value of investments	$ 989,994,564	$ 1,007,623,395
Investments in number of portfolio companies \| company	116	115
% of Total Investments at fair value	100.00%	100.00%
Senior SecuredLoans-First Lien
PORTFOLIO INVESTMENTS AND FAIR VALUE
Fair value of investments	$ 891,688,561	$ 908,669,800
% of Total Investments at fair value	4.30%	4.00%
Senior Secured Loans - First Lien
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 940,012,590	$ 951,615,061
Fair value of investments	891,688,561	908,669,800
Senior Secured Loans - Second Lien
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	12,115,000	12,111,653
Fair value of investments	12,025,000	12,025,000
Unsecured Debt
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	311,853	318,425
Fair value of investments	80,670	123,789
Equity Securities
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	62,878,875	62,094,547
Fair value of investments	$ 86,200,333	$ 86,804,806