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Loans (Details 1) (USD $) In Thousands, unless otherwise specified | Jun. 30, 2012
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Commercial real estate [Member] |
Maturity schedule by major category of loans |
Maturity schedule by major category of loans, Within One Year | $ 22,989
Maturity schedule by major category of loans, After One Year Within Five Years | 111,355
Maturity schedule by major category of loans, After Five Years | 68,556
Agricultural Real Estate [Member] |
Maturity schedule by major category of loans |
Maturity schedule by major category of loans, Within One Year | 2,353
Maturity schedule by major category of loans, After One Year Within Five Years | 9,657
Maturity schedule by major category of loans, After Five Years | 20,398
Consumer real estate [Member] |
Maturity schedule by major category of loans |
Maturity schedule by major category of loans, Within One Year | 7,290
Maturity schedule by major category of loans, After One Year Within Five Years | 15,701
Maturity schedule by major category of loans, After Five Years | 58,261
Commercial/Industrial [Member] |
Maturity schedule by major category of loans |
Maturity schedule by major category of loans, Within One Year | 69,319
Maturity schedule by major category of loans, After One Year Within Five Years | 31,342
Maturity schedule by major category of loans, After Five Years | 3,563
Agriculture [Member] |
Maturity schedule by major category of loans |
Maturity schedule by major category of loans, Within One Year | 36,001
Maturity schedule by major category of loans, After One Year Within Five Years | 17,027
Maturity schedule by major category of loans, After Five Years | 1,780
Consumer [Member] |
Maturity schedule by major category of loans |
Maturity schedule by major category of loans, Within One Year | 5,057
Maturity schedule by major category of loans, After One Year Within Five Years | 14,369
Maturity schedule by major category of loans, After Five Years | 2,151
Industrial Development Bonds [Member] |
Maturity schedule by major category of loans |
Maturity schedule by major category of loans, Within One Year | 25
Maturity schedule by major category of loans, After One Year Within Five Years | 282
Maturity schedule by major category of loans, After Five Years | $ 892

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