CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 4,627	$ 2,713
Other comprehensive income (loss):
Net unrealized gain (loss) on available-for-sale securities (net of taxes of $659 and $(792) for the three months ended March 31, 2019 and 2018, respectively)	2,475	(2,979)
Reclassification adjustment for net realized loss on sale of available-for-sale securities included in net income (net of taxes of $4 for the three months ended March 31, 2019)	(14)	0
Change in nonqualified pension plan unrecognized net loss and unrecognized prior service cost (net of taxes of $1 for the three months ended March 31, 2018)	0	3
Other comprehensive income (loss), net of tax	2,489	(2,976)
TOTAL COMPREHENSIVE INCOME	$ 7,116	$ (263)