CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Statement of Financial Position [Abstract]
Securities held to maturity, fair value	$ 10,095	$ 4,163
ASSETS
Loans, allowance for loan losses	$ 11,404	$ 11,046
SHAREHOLDERS' EQUITY
Common stock, par value (in dollars per share)	$ 2.50	$ 2.50
Common stock, shares authorized (in shares)	20,000,000	20,000,000
Common stock, shares issued (in shares)	7,205,066	7,085,217
Common stock, shares outstanding (in shares)	7,205,066	7,085,217