CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 2,979	$ 2,707
Other comprehensive income
Unrealized holding gains on securities available for sale	3,166	3,109
Reclassification adjustment for gains realized in net income	0	(908)
Net unrealized gains	3,166	2,201
Tax effect	1,189	830
Net of tax amount	1,977	1,371
Change in funded status of defined benefit pension plan and other benefit plans:
Reclassification adjustment for amortization of prior service costs	(55)	(22)
Reclassification adjustment for amortization of net actuarial loss	88	396
Total before tax effect	33	374
Tax effect	12	141
Net of tax amount	21	233
Total other comprehensive income	1,998	1,604
Comprehensive income	$ 4,977	$ 4,311