ACCUMULATED OTHER COMPREHENSIVE (LOSS)/INCOME (Schedule of Reclassifications out of AOCI) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Securities gains, net				$ 119
Income tax expense	(6,256)	$ (4,422)	(14,888)	(11,785)
Net income	10,206	7,116	26,128	19,169
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income tax expense				(44)
Net income				75
Reclassification out of Accumulated Other Comprehensive Income [Member] | Net Unrealized Holding Gain/(Loss) on Securities Available for Sale, Net of Tax [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Securities gains, net				$ 119