CONSOLIDATED BALANCE SHEETS [Parenthetical] - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Investment securities held-to-maturity, estimated fair value	$ 4	$ 27
Preferred stock, par value (in dollars per share)	$ 2.00	$ 2.00
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	0
Common stock, par value (in dollars per share)	$ 2.00	$ 2.00
Common stock, shares authorized	20,000,000	20,000,000
Common stock, shares issued	5,904,563	5,853,317
Common stock, shares outstanding	5,671,451	5,620,205
Treasury stock, shares	233,112	233,112