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Non-Performing Assets Including Trouble Debt Restructurings (Details Textual) (USD $) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2012 | Jun. 30, 2012 | Jun. 30, 2011
Non-Performing Assets Including Trouble Debt Restructurings (Textual) [Abstract] |  |  |
Aggregate of multiple consecutive maturity date extensions delay in payment, days |  | 120 days |
Borrowers Aggregate Exposure for Loan Modification Minimum | $ 250,000 | $ 250,000 |
Timely Payments On Contract Terms For Minimum Consecutive Months Prior To Consideration For Removing Loan From TDR Status |  | 6 months |
Minimum consecutive months payment for removing the loan from non-accrual status |  | 6 months |
Recognized charge-off | 398,000 | 275,000 | 386,000
Purchase of TDR Real estate property |  | 600,000 |
Original balance TDR Loan |  | 703,000 |
Net charge-off | $ 305,000 | $ 32,000 |

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