INCOME TAXES - Reconciliation of income tax expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
INCOME TAXES
Federal income taxes computed at the statutory rate	$ 12,002	$ 15,223	$ 18,430
Add (deduct) tax effect of:
Tax exempt income	(3,395)	(3,548)	(3,439)
ESOP dividend deduction	(73)	(107)	(103)
State tax, net of federal benefit	1,515	1,984	2,653
General business tax credits	(542)	(1,720)	(674)
Other, net	372	(11)	(216)
TOTAL	$ 9,879	$ 11,821	$ 16,651