CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Statement of Comprehensive Income [Abstract]
Net income		$ 8,952	$ 7,071	$ 26,676	$ 21,773
Unrealized gains (losses) on securities:
Unrealized holding gain (loss) arising during period		2,363	(2,892)	17,855	(11,676)
Less: reclassification adjustment for gains included in net income	[1]		(1)	(29)	(2)
Other comprehensive income (loss), before tax		2,363	(2,893)	17,826	(11,678)
Income tax expense related to items of other comprehensive income (loss), net of tax		(698)	854	(5,269)	3,453
Other comprehensive income (loss)		1,665	(2,039)	12,557	(8,225)
Comprehensive income		$ 10,617	$ 5,032	$ 39,233	$ 13,548

[1] Amounts are included in net gains on investment securities available-for-sale on the Consolidated Statements of Income in noninterest revenue. Income tax expense associated with the reclassification adjustment for the three months ended September 30, 2019 and 2018 was $0 thousand and $0 thousand respectively. Income tax expense associated with the reclassification adjustment for the nine months ended September 30, 2019 and 2018 was $9 thousand and $1 thousand respectively.