Securities Sold Under Agreements and Other Borrowed Funds (Details) (USD $)
In Millions, unless otherwise specified
9 Months Ended
Sep. 30, 2012
Dec. 31, 2011
Mar. 16, 2006
Securities Sold Under Agreements and Other Borrowed Funds (Textual) [Abstract]      
Principal balance of loans sold to another financial institution     $ 10.5
Total principal balance of loans $ 1.5 $ 1.5  
Initial period for repurchase of loan 120 months    
Repurchase Agreement Loan that becomes 90 days past due    
Repurchase the past due loan 100.00%