ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2019	Jun. 30, 2018
Activity in accumulated other comprehensive income (loss) [Roll Forward]
Balance	$ 118,027	$ 112,461	$ 101,064	$ 100,044	$ 112,461	$ 100,044
Current period other comprehensive income (loss)	3,324	1,478	(610)	(1,811)	4,802	(2,421)
Balance	124,882	118,027	103,574	101,064	124,882	103,574
Accumulated Other Comprehensive Income (Loss) [Member]
Activity in accumulated other comprehensive income (loss) [Roll Forward]
Balance	(3,558)	(5,036)	(6,208)	(4,397)	(5,036)	(4,397)
Current period other comprehensive income (loss)	3,324	1,478	(610)	(1,811)
Balance	(234)	(3,558)	(6,818)	(6,208)	(234)	(6,818)
Unrealized Gains (Losses) on Securities [Member]
Activity in accumulated other comprehensive income (loss) [Roll Forward]
Balance	(2,389)	(3,867)	(4,808)	(2,997)	(3,867)	(2,997)
Current period other comprehensive income (loss)	3,324		(610)		4,802	(2,421)
Balance	935	(2,389)	(5,418)	(4,808)	935	(5,418)
Officers' Retirement Plan [Member]
Activity in accumulated other comprehensive income (loss) [Roll Forward]
Balance	(1,198)	(1,198)	(1,403)	(1,403)	(1,198)	(1,403)
Current period other comprehensive income (loss)	0		0		0	0
Balance	(1,198)	(1,198)	(1,403)	(1,403)	(1,198)	(1,403)
Directors' Retirement Plan [Member]
Activity in accumulated other comprehensive income (loss) [Roll Forward]
Balance	29	29	3	3	29	3
Current period other comprehensive income (loss)	0		0		0	0
Balance	$ 29	$ 29	$ 3	$ 3	$ 29	$ 3