CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Net income	$ 72,100	$ 40,847	$ 38,723
Other comprehensive income (loss):
Net unrealized holding gains (losses) arising during period on investment securities available for sale, net of tax expense (benefit) of ($2,355), ($1,239) and $3,969	(4,374)	(2,300)	7,371
Reclassification adjustment for gains on investment securities included in operations, net of tax of $33, $48 and $48	(61)	(89)	(90)
Net unrealized gains (losses) on cash flow hedge during the period, net of tax (benefit) of $13, ($192) and ($479)	24	(356)	(889)
Total other comprehensive income (loss)	(4,411)	(2,745)	6,392
Comprehensive income	$ 67,689	$ 38,102	$ 45,115