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Loans (Details 1) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2013
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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 | $ 44,598
Maturity schedule by major category of loans, After One Year Within Five Years | 98,274
Maturity schedule by major category of loans, After Five Years | 66,729
Agricultural Real Estate [Member] |
Maturity schedule by major category of loans |
Maturity schedule by major category of loans, Within One Year | 2,499
Maturity schedule by major category of loans, After One Year Within Five Years | 9,169
Maturity schedule by major category of loans, After Five Years | 24,230
Consumer real estate [Member] |
Maturity schedule by major category of loans |
Maturity schedule by major category of loans, Within One Year | 9,244
Maturity schedule by major category of loans, After One Year Within Five Years | 14,815
Maturity schedule by major category of loans, After Five Years | 53,101
Commercial/Industrial [Member] |
Maturity schedule by major category of loans |
Maturity schedule by major category of loans, Within One Year | 61,763
Maturity schedule by major category of loans, After One Year Within Five Years | 24,744
Maturity schedule by major category of loans, After Five Years | 3,272
Agricultural [Member] |
Maturity schedule by major category of loans |
Maturity schedule by major category of loans, Within One Year | 30,669
Maturity schedule by major category of loans, After One Year Within Five Years | 18,996
Maturity schedule by major category of loans, After Five Years | 2,231
Consumer [Member] |
Maturity schedule by major category of loans |
Maturity schedule by major category of loans, Within One Year | 4,898
Maturity schedule by major category of loans, After One Year Within Five Years | 12,602
Maturity schedule by major category of loans, After Five Years | 1,792
Industrial Development Bonds [Member] |
Maturity schedule by major category of loans |
Maturity schedule by major category of loans, Within One Year | 320
Maturity schedule by major category of loans, After One Year Within Five Years | 490
Maturity schedule by major category of loans, After Five Years | $ 392

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