ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Changes in AOCI) (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	$ 2,443
Other comprehensive income (loss), net of tax	(2,485)	$ 1,759	$ (4,013)
Ending balance	(42)	189	2,443
Unrealized Gains (Losses) on Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(51)	(185)	(185)
Other comprehensive gain (loss) before reclassifications	(545)	25
Other comprehensive income (loss), net of tax	(545)	25
Ending balance	(596)	(160)	(51)
Unrealized Gains (Losses) on Available-for-Sale Securities
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	2,494	(1,385)	(1,385)
Other comprehensive gain (loss) before reclassifications	(2,032)	1,742
Amounts reclassified from accumulated other comprehensive income (loss)	92	(8)
Other comprehensive income (loss), net of tax	(1,940)	1,734
Ending balance	$ 554	$ 349	$ 2,494