ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Activity in accumulated other comprehensive income (loss) [Roll Forward]
Balance	$ 150,911	$ 150,657
Current period other comprehensive loss	(19,963)	(4,172)
Balance	134,130	149,799
Accumulated Other Comprehensive Income (Loss) [Member]
Activity in accumulated other comprehensive income (loss) [Roll Forward]
Balance	(4,197)	5,038
Current period other comprehensive loss	(19,963)	(4,172)
Balance	(24,160)	866
Unrealized Gains (Losses) on Securities [Member]
Activity in accumulated other comprehensive income (loss) [Roll Forward]
Balance	(2,764)	7,196
Current period other comprehensive loss	(19,963)	(4,172)
Balance	(22,727)	3,024
Officers' Retirement Plan [Member]
Activity in accumulated other comprehensive income (loss) [Roll Forward]
Balance	(1,420)	(2,105)
Current period other comprehensive loss	0	0
Balance	(1,420)	(2,105)
Directors' Retirement Plan [Member]
Activity in accumulated other comprehensive income (loss) [Roll Forward]
Balance	(13)	(53)
Current period other comprehensive loss	0	0
Balance	$ (13)	$ (53)