CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 2,738	$ 3,003	$ 5,451	$ 6,249
Other comprehensive income (loss):
Net unrealized gain (loss) on available-for-sale securities (net of taxes of $(145) and $638 for the three months ended June 30, 2018 and 2017, respectively, and $(937) and $894 for the six months ended June 30, 2018 and 2017, respectively)	(544)	1,206	(3,523)	1,734
Reclassification adjustment for net realized (gain) loss on sale of available-for-sale securities included in net income (net of taxes of $0 and $48 for the three months ended June 30, 2018 and 2017, respectively, and $0 and $ 48 for the six months ended June 30, 2018 and 2017, respectively)	(1)	92	(1)	92
Change in nonqualified pension plan unrecognized net loss and unrecognized prior service cost (net of taxes of $1 and $0 for the three months ended June 30, 2018 and 2017, respectively, and $2 and $0 for the six months ended June 30, 2018 and 2017, respectively)	3	0	6	0
Other comprehensive income (loss), net of tax	(540)	1,114	(3,516)	1,642
TOTAL COMPREHENSIVE INCOME	$ 2,198	$ 4,117	$ 1,935	$ 7,891