CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
NET INCOME	$ 42,865	$ 29,202	$ 22,141
Other comprehensive income (loss):
Unrealized gains (losses) on securities available for sale	5,976	(2,129)	(2,634)
Amortization of unrealized losses on securities transferred to held to maturity, net	596	488	539
Reclassification adjustment for gains included in net income	(86)	(368)	(161)
(Provision) benefit for income taxes	(2,483)	709	870
Total other comprehensive income (loss)	4,003	(1,300)	(1,386)
COMPREHENSIVE INCOME	$ 46,868	$ 27,902	$ 20,755