SIGNIFICANT ACCOUNTING POLICIES (Details)	3 Months Ended			9 Months Ended			12 Months Ended
	Sep. 30, 2025 USD ($) portfolioCompany		Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) portfolioCompany segment		Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($) portfolioCompany
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Restricted cash	$ 0			$ 0			$ 50,000
Cash equivalents	42,029,000		$ 62,480,000	42,029,000		$ 62,480,000	$ 40,842,000
Payment-in-kind interest income	2,369,000		2,503,000	6,998,000		6,024,000
Dividend income	286,000		16,000	402,000		357,000
Other income	$ 224,000		444,000	$ 1,138,000		1,170,000
Number of portfolio companies | portfolioCompany	3			3			1
Fair Value	$ 2,009,911,000	[1]		$ 2,009,911,000	[1]		$ 2,122,221,000	[2]
Excise taxes	0		$ 0	$ 0		$ 0
Number of reportable segments | segment				1
Non-Accrual Loans
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Fair Value	$ 7,667,000			$ 7,667,000			$ 1,896,000
Investment Owned at Fair Value | Investment Type Concentration Risk
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Investment income (as a percent)				100.00%			100.00%
Investment Owned at Fair Value | Investment Type Concentration Risk | Payment in Kind (PIK) Note
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Investment income (as a percent)	4.64%		4.15%	4.43%		3.61%
Investment Owned at Fair Value | Investment Type Concentration Risk | Non-Accrual Loans
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Investment income (as a percent)				0.39%			0.09%

[1] Investment valued using unobservable inputs (Level 3), unless noted otherwise. See Note 2 “Significant Accounting Policies – Valuation of Portfolio Investments” and Note 5 "Fair Value Measurements" for more information.

[2] Investment valued using unobservable inputs (Level 3). See Note 2 “Significant Accounting Policies – Valuation of Portfolio Investments” and Note 5 "Fair Value Measurements" for more information.