Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Statement of Comprehensive Income [Abstract]
Net Income	$ 7,575	$ 12,912	$ 6,816
Other comprehensive income (loss):
Unrealized holding gains (losses) on securities available-for-sale	3,387	(2,802)	202
Unrealized holding gains during the year related to reclassified held-to-maturity securities	0	1,825	0
Income tax effect	(1,355)	391	(81)
Reclassification adjustment for gain recognized in income	(731)	(813)	(130)
Reclassification adjustment for gain recognized in income related to reclassified held-to-maturity securities	0	(269)	0
Income tax effect	292	433	52
Change in defined benefit pension plan	(507)	(181)	(556)
Income tax effect	203	72	222
Total other comprehensive income (loss)	1,289	(1,344)	(291)
Comprehensive income	$ 8,864	$ 11,568	$ 6,525