Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Consolidated Balance Sheets [Abstract]
Allowance for loan losses	$ 5,455	$ 5,412
Temporary equity, shares outstanding	125,125	115,170
Preferred stock, shares authorized	100,000	100,000
Preferred stock, shares issued
Preferred stock, shares outstanding
Common stock, par value	$ 2.50	$ 2.50
Common stock, shares authorized	4,000,000	4,000,000
Common stock, shares issued	2,375,975	2,358,599
Common stock, shares outstanding	2,250,850	2,243,429