Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Assets
Securities held-to-maturity, fair value	$ 0	$ 0
Allowance for loan losses	8,245	7,738
Foreclosed assets, valuation allowance	$ 1,026	$ 2,549
Stockholders' equity:
Common stock, par value (in dollars per share)	$ 5	$ 5
Common stock, shares authorized (in shares)	10,000,000	10,000,000
Common stock, shares issued (in shares)	4,961,258	4,959,009
Common stock, shares outstanding (in shares)	4,961,258	4,959,009