NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES - U.S. Federal Income Taxes (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES
Undistributed taxable income	$ 45,441,036
Current income tax expense	1,808,838	$ 1,333,452	$ 1,161,668
Income tax expense	1,808,838	1,333,452	1,161,668
Deferred income tax benefit (provision)	188,893	(126,957)	(213,214)
Deferred tax liability	0	188,893
Income tax benefit on net realized loss on investments	$ 2,221	$ 2,987,847	$ 0