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 Comprehensive Income [Abstract]
Net income	$ 4,201	$ 3,106	$ 9,652	$ 9,355
Other comprehensive income (loss):
Net unrealized gain (loss) on available-for-sale securities (net of taxes of $(281) and $127 for the three months ended September 30, 2018 and 2017, respectively, and $(1,218) and $1,021 for the nine months ended September 30, 2018 and 2017, respectively)	(1,058)	240	(4,581)	1,974
Reclassification adjustment for net realized (gain) loss on sale of available-for-sale securities included in net income (net of taxes of $(2) and $27 for the three months ended September 30, 2018 and 2017, respectively, and $(2) and $75 for the nine months ended September 30, 2018 and 2017, respectively)	(5)	51	(6)	143
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 September 30, 2018 and 2017, respectively, and $3 and $0 for the nine months ended September 30, 2018 and 2017, respectively)	3	0	9	0
Other comprehensive income (loss), net of tax	(1,050)	189	(4,566)	1,831
TOTAL COMPREHENSIVE INCOME	$ 3,151	$ 3,295	$ 5,086	$ 11,186