ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020
Activity in accumulated other comprehensive income (loss) [Roll Forward]
Balance	$ 149,799	$ 150,657	$ 140,793	$ 132,915	$ 150,657	$ 132,915
Current period other comprehensive income (loss)	146	(4,172)	1,239	5,069	(4,026)	6,308
Balance	152,474	149,799	144,886	140,793	152,474	144,886
Accumulated Other Comprehensive Income (Loss) [Member]
Activity in accumulated other comprehensive income (loss) [Roll Forward]
Balance	866	5,038	5,203	134	5,038	134
Current period other comprehensive income (loss)	146	(4,172)	1,239	5,069
Balance	1,012	866	6,442	5,203	1,012	6,442
Unrealized Gains (Losses) on Securities [Member]
Activity in accumulated other comprehensive income (loss) [Roll Forward]
Balance	3,024	7,196	6,630	1,561	7,196	1,561
Current period other comprehensive income (loss)	146		1,239		(4,026)	6,308
Balance	3,170	3,024	7,869	6,630	3,170	7,869
Officers' Retirement Plan [Member]
Activity in accumulated other comprehensive income (loss) [Roll Forward]
Balance	(2,105)	(2,105)	(1,411)	(1,411)	(2,105)	(1,411)
Current period other comprehensive income (loss)	0		0		0	0
Balance	(2,105)	(2,105)	(1,411)	(1,411)	(2,105)	(1,411)
Directors' Retirement Plan [Member]
Activity in accumulated other comprehensive income (loss) [Roll Forward]
Balance	(53)	(53)	(16)	(16)	(53)	(16)
Current period other comprehensive income (loss)	0		0		0	0
Balance	$ (53)	$ (53)	$ (16)	$ (16)	$ (53)	$ (16)