CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Net income	$ 57,408	$ 43,120	$ 35,707
Other comprehensive income (loss):
Unrealized holding gains (losses) arising during the period before tax	8,761	(4,464)	1,257
Less reclassification adjustment for losses included in net income before tax	(30)		(88)
Unrealized gains (losses) on securities available for sale	8,791	(3,609)	1,345
Unrealized holding losses arising during the period before tax	(3,806)	(1,199)	(70)
Less reclassification adjustment for caplet amortization before tax		(602)	(485)
Unrealized losses on derivatives	(3,806)	(597)	415
Unrealized holding gains arising during the period before tax on securities held for sale	587
Less realized holding gains on securities sold	(61)
Unrealized holding losses arising during the period before tax on derivatives held for sale	(446)
Less reclassification adjustment for caplet amortization before tax	422
Less realized holding losses on derivatives sold	392
Unrealized gains (losses) on assets held for sale	894
Other comprehensive income (loss), before tax	5,879	(4,206)	1,760
Tax expense (benefit)	1,433	(1,000)	668
Other comprehensive income (loss), net of tax	4,446	(3,206)	1,092
Comprehensive income	$ 61,854	39,914	$ 36,799
ASU 2016-01
Other comprehensive income (loss):
Less reclassification adjustment for adoption of ASU 2016-01		$ 855