CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Net income	$ 13,504	$ 10,445	$ 26,422	$ 20,995
Other comprehensive income (loss):
Unrealized holding gains (losses) arising during the period before tax	4,669	(1,512)	8,813	(6,879)
Less reclassification adjustment for losses included in net income before tax	(52)		(52)
Unrealized gains (losses) on securities available for sale	4,721	(1,512)	8,865	(6,024)
Unrealized holding losses arising during the period before tax	(1,780)	(323)	(2,942)	(172)
Less reclassification adjustment for ineffectiveness and caplet amortization before tax	(134)	178	(291)	97
Unrealized losses on derivatives	(1,646)	(501)	(2,651)	(269)
Other comprehensive income (loss), before tax	3,075	(2,013)	6,214	(6,293)
Tax expense (benefit)	833	(679)	1,628	(1,757)
Other comprehensive income (loss), net of tax	2,242	(1,334)	4,586	(4,536)
Comprehensive income	$ 15,746	$ 9,111	$ 31,008	16,459
ASU 2016-01
Other comprehensive income (loss):
Less reclassification adjustment for adoption of ASU 2016-01				$ 855