Consolidated Condensed Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Statement Of Income And Comprehensive Income [Abstract]
Net Income	$ 5,402	$ 3,751	$ 13,573	$ 10,855
Other Comprehensive Income
Net unrealized holding gain (loss) on securities available for sale	(3,186)	520	(9,429)	3,037
Reclassification adjustment for realized gains included in net income	(406)	(45)	(666)	(453)
Other comprehensive (loss) income, before tax, total	(3,592)	475	(10,095)	2,584
Income tax (benefit) expense related to other comprehensive income	758	(162)	2,139	(876)
Other comprehensive income (loss), net of tax	(2,834)	313	(7,956)	1,708
Comprehensive Income	$ 2,568	$ 4,064	$ 5,617	$ 12,563