Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Parenthetical information
Available-for-sale securities, amortized cost	$ 218,168	$ 207,893
Loans, net of allowance for loan losses	35,726	37,066
Other real estate owned, net of valuation allowance	$ 57	$ 86
Common stock par value (in dollars per share)	$ 1.00	$ 1.00
Common stock, shares authorized	8,000,000	8,000,000
Common stock, shares issued	3,495,845	3,472,561
Common stock, shares outstanding	3,495,845	3,472,561
Common
Parenthetical information
Common stock, nonvested shares	137,880	141,755