INVESTMENT SECURITIES (Schedule of changes in accumulated other comprehensive income by component) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	$ 377,241	$ 348,290
Net current-period other comprehensive income (loss)	2,384	858
Balance	378,822	352,689
Accumulated Other Comprehensive Income (Loss), Net of Tax	3,167		$ 783
Held-to-maturity Securities [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	(160)	(170)
Other comprehensive loss before reclassifications	2	2
Balance	(158)	(168)
Accumulated Other Comprehensive Income (Loss) [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	783	(2,589)
Other comprehensive loss before reclassifications	2,384	858
Balance	3,167	(1,731)
Unrealized gain (loss) on securities available for sale
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	943	(2,419)
Other comprehensive loss before reclassifications	2,382	856
Balance	$ 3,325	$ (1,563)