ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021
Activity in accumulated other comprehensive income (loss) [Roll Forward]
Balance	$ 134,130	$ 150,911	$ 149,799	$ 150,657	$ 150,911	$ 150,657
Current period other comprehensive income (loss)	(10,641)	(19,963)	146	(4,172)	(30,604)	(4,026)
Balance	127,134	134,130	152,474	149,799	127,134	152,474
Accumulated Other Comprehensive Income (Loss) [Member]
Activity in accumulated other comprehensive income (loss) [Roll Forward]
Balance	(24,160)	(4,197)	866	5,038	(4,197)	5,038
Current period other comprehensive income (loss)	(10,641)	(19,963)	146	(4,172)
Balance	(34,801)	(24,160)	1,012	866	(34,801)	1,012
Unrealized Gains (Losses) on Securities [Member]
Activity in accumulated other comprehensive income (loss) [Roll Forward]
Balance	(22,727)	(2,764)	3,024	7,196	(2,764)	7,196
Current period other comprehensive income (loss)	(10,641)		146		(30,604)	(4,026)
Balance	(33,368)	(22,727)	3,170	3,024	(33,368)	3,170
Officers' Retirement Plan [Member]
Activity in accumulated other comprehensive income (loss) [Roll Forward]
Balance	(1,420)	(1,420)	(2,105)	(2,105)	(1,420)	(2,105)
Current period other comprehensive income (loss)	0		0		0	0
Balance	(1,420)	(1,420)	(2,105)	(2,105)	(1,420)	(2,105)
Directors' Retirement Plan [Member]
Activity in accumulated other comprehensive income (loss) [Roll Forward]
Balance	(13)	(13)	(53)	(53)	(13)	(53)
Current period other comprehensive income (loss)	0		0		0	0
Balance	$ (13)	$ (13)	$ (53)	$ (53)	$ (13)	$ (53)