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Earnings Per Common Share (Narrative) (Details) (USD $)
9 Months Ended
Sep. 30, 2012
May 02, 2012
Earnings Per Share [Abstract]    
Dilutive effect of Capital Purchase Plan warrants 3,284  
Options and warrants not included in computation of diluted earnings per common shares 68,628  
Warrants to purchase common shares outstanding related to common stock issuances 0 227,376
Exercise price of Capital Purchase Plan warrants to purchase common shares $ 65.97  
Shares outstanding under the Incentive Stock Option Plan 65,175