CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Statement of Financial Position [Abstract]
Investment securities available for sale, amortized cost	$ 27,092	$ 27,459
Accumulated amortization core deposit intangible asset	$ 679	$ 667
Common stock, par value (in dollars per share)	$ 2.50	$ 2.50
Common stock, authorized	10,000,000	10,000,000
Common stock, issued	4,654,880	4,650,808
Common stock, outstanding	4,654,880	4,650,808