ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Reclassifications Out of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income tax expense	$ (3,699)	$ (3,571)	$ (2,880)	$ (3,777)	$ (2,418)	$ (3,348)	$ (2,634)	$ (2,822)	$ (13,927)	$ (11,221)
Reclassifications out of accumulated other comprehensive (loss) income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Realized gain on sale of available for sale securities										(37)
Income tax expense										11
Total reclassifications, net of income tax										$ (26)