OTHER COMPREHENSIVE INCOME (LOSS) (Changes in the Accumulated Balances) (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019	Jan. 01, 2019
Changes in the accumulated balances for each component of other comprehensive income
Beginning balance	$ 150,553	$ 138,187	$ 138,187
Current year-to-date other comprehensive income, net of tax	(1,138)	1,164	1,415
Ending balance	147,933	138,380	150,553
Unrealized Gains (Losses) on Securities
Changes in the accumulated balances for each component of other comprehensive income
Beginning balance	(334)	(1,704)	(1,704)
Current year-to-date other comprehensive income, net of tax	(1,138)		1,415
Ending balance	(1,472)		(334)
Accumulated Other Comprehensive Income (Loss)
Changes in the accumulated balances for each component of other comprehensive income
Beginning balance	(471)	(1,841)	(1,841)
Ending balance	$ (1,609)	$ (722)	$ (471)
Accounting Standards Update 2016-01
Changes in the accumulated balances for each component of other comprehensive income
Cumulative effect of new accounting principle				$ 0
Accounting Standards Update 2016-01 | Unrealized Gains (Losses) on Securities
Changes in the accumulated balances for each component of other comprehensive income
Cumulative effect of new accounting principle				(45)
Accounting Standards Update 2016-01 | Accumulated Other Comprehensive Income (Loss)
Changes in the accumulated balances for each component of other comprehensive income
Cumulative effect of new accounting principle				$ (45)