CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Statement of Comprehensive Income [Abstract]
NET INCOME	$ 9,362	$ 7,212
Securities available-for-sale:
Change in unrealized loss on securities available-for-sale	(8,482)	(1,575)
Reclassification of unrealized losses on securities transferred to held-to-maturity	2,188	0
Tax effect	(1,322)	(551)
Other comprehensive loss, net of tax, for securities available for sale	(4,972)	(1,024)
Securities held-to-maturity:
Reclassification of unrealized losses on securities transferred from available-for-sale	(2,188)	0
Amortization of unrealized losses on securities transferred from available-for-sale	19	0
Tax effect	(455)	0
Other comprehensive loss, net of tax, for securities held-to-maturity	(1,714)	0
OTHER COMPREHENSIVE LOSS, NET OF TAX	(6,686)	(1,024)
COMPREHENSIVE INCOME	$ 2,676	$ 6,188