Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
NET INCOME	$ 96,814	$ 74,364	$ 35,688
OTHER COMPREHENSIVE INCOME
Unrealized holding (losses) gains arising during the period on available-for-sale securities	(14,797)	(1,880)	2,749
Less: Reclassification adjustment for realized gains (losses) included in net income	5,848	307	8
Other comprehensive (loss) income, before tax effect	(20,645)	(2,187)	2,741
Less: Tax effect of other comprehensive (loss) income	(8,098)	(858)	1,075
TOTAL OTHER COMPREHENSIVE (LOSS) INCOME	(12,547)	(1,329)	1,666
COMPREHENSIVE INCOME	$ 84,267	$ 73,035	$ 37,354