Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Loans, allowance for loan losses	$ 3,993	$ 3,863
Common stock, par value	$ 5	$ 5
Common stock, authorized shares	30,000,000	30,000,000
Common stock, outstanding shares	4,787,356	4,774,856