COMPREHENSIVE INCOME (LOSS) - Changes of AOCI (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Balance, beginning of period	$ 262,381	$ 249,325	$ 301,405
Other comprehensive income (loss)	1,676	11,441	(54,904)
Balance, end of period	275,284	262,381	249,325
Unrealized (Losses) Gains on Securities
Balance, beginning of period	(38,878)	(50,370)	4,809
Other comprehensive income (loss)	1,794	11,492	(55,179)
Balance, end of period	(37,084)	(38,878)	(50,370)
Unfunded Retirement Obligations
Balance, beginning of period	441	492	217
Other comprehensive income (loss)	(118)	(51)	275
Balance, end of period	323	441	492
Accumulated Other Comprehensive (Loss) Income
Balance, beginning of period	(38,437)	(49,878)	5,026
Other comprehensive income (loss)	1,676	11,441	(54,904)
Balance, end of period	$ (36,761)	$ (38,437)	$ (49,878)