ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022
Activity in accumulated other comprehensive loss [Roll Forward]
Balance	$ 135,785	$ 125,040	$ 134,130	$ 150,911	$ 125,040	$ 150,911
Current period other comprehensive income (loss)	(3,690)	6,013	(10,641)	(19,963)	2,323	(30,604)
Balance	136,730	135,785	127,134	134,130	136,730	127,134
Accumulated Other Comprehensive Income (Loss) [Member]
Activity in accumulated other comprehensive loss [Roll Forward]
Balance	(40,515)	(46,528)	(24,160)	(4,197)	(46,528)	(4,197)
Current period other comprehensive income (loss)	(3,690)	6,013	(10,641)	(19,963)	2,323	(30,604)
Balance	(44,205)	(40,515)	(34,801)	(24,160)	(44,205)	(34,801)
Unrealized Gains (Losses) on Securities [Member]
Activity in accumulated other comprehensive loss [Roll Forward]
Balance	(40,260)	(46,273)	(22,727)	(2,764)	(46,273)	(2,764)
Current period other comprehensive income (loss)	(3,690)		(10,641)		2,323	(30,604)
Balance	(43,950)	(40,260)	(33,368)	(22,727)	(43,950)	(33,368)
Officers' Retirement Plan [Member]
Activity in accumulated other comprehensive loss [Roll Forward]
Balance	(308)	(308)	(1,420)	(1,420)	(308)	(1,420)
Current period other comprehensive income (loss)	0		0		0	0
Balance	(308)	(308)	(1,420)	(1,420)	(308)	(1,420)
Directors' Retirement Plan [Member]
Activity in accumulated other comprehensive loss [Roll Forward]
Balance	53	53	(13)	(13)	53	(13)
Current period other comprehensive income (loss)	0		0		0	0
Balance	$ 53	$ 53	$ (13)	$ (13)	$ 53	$ (13)