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Loans (Details 7) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2012 Contracts | Jun. 30, 2012 Contracts
Commercial real estate [Member] |  |
Impaired loans classified as troubled debt restructured |  |
Number of Contracts Modified | 1 | 1
Pre-Modification Outstanding Recorded Investment | $ 1,937 | $ 1,937
Post-Modification Outstanding Recorded Investment | 1,937 | 1,937
Number of Contracts |  |
Recorded Investment |  |
Ag Real Estate [Member] |  |
Impaired loans classified as troubled debt restructured |  |
Pre-Modification Outstanding Recorded Investment |  |
Post-Modification Outstanding Recorded Investment |  |
Number of Contracts |  |
Recorded Investment |  |
Commercial and industrial [Member] |  |
Impaired loans classified as troubled debt restructured |  |
Pre-Modification Outstanding Recorded Investment |  |
Post-Modification Outstanding Recorded Investment |  |
Number of Contracts |  |
Recorded Investment |  |

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