INCOME TAXES - Components of Federal Corporate Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Tax Disclosure [Abstract]
Current income tax expense	$ 59,371	$ 54,687	$ 46,712
Deferred income tax expense	(11,075)	(3,777)	6,386
Income tax expense	$ 48,296	$ 50,910	$ 53,098