Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Statement of Comprehensive Income [Abstract]
Net Income	$ 2,260	$ 6,499	$ 3,834	$ 8,295
Other comprehensive income:
Unrealized holding gains on securities available-for-sale	2,549	1,802	2,997	2,220
Unrealized holding gains during the year related to reclassified held-to maturity securities	0	0	0	1,825
Income tax effect	(1,019)	(721)	(1,198)	(1,618)
Reclassification adjustment for gain recognized in income	(167)	(222)	(350)	(334)
Reclassification adjustment for gain recognized in income related to reclassified held-to-maturity securities	0	0	0	(269)
Income tax effect	67	89	140	241
Change in defined benefit pension plan	(500)	(300)	(336)	(817)
Income tax effect	200	120	134	327
Total other comprehensive income	1,130	768	1,387	1,575
Comprehensive income	$ 3,390	$ 7,267	$ 5,221	$ 9,870