Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 4,312	$ 4,062
Securities available for sale:
Unrealized gains (losses) arising during the period	1,433	(1,145)
Reclassification of net (gains) losses included in net income (net of tax (benefit) expense) of $7 and $0 for the first quarter of 2019 and 2018, respectively	(16)	0
Derivatives and hedging activities:
Unrealized (losses) gains arising during the period	(393)	467
Income tax (expense) benefit related to unrealized gains and losses	(349)	260
Other comprehensive income (loss), net of tax	675	(418)
Comprehensive income	$ 4,987	$ 3,644