Capital Purchase Program (Details) (USD $)	Sep. 30, 2012	Dec. 31, 2009
Capital Purchase Program [Abstract]
Preferred stock issued (in shares)		22,000
Exercise price of warrants (in dollars per share)		$ 15.85
Common stock and warrants issued during period preferred stock and warrants (in shares)	208,202
Class of warrant or right outstanding (in shares)	104,101