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Loans (Details 1) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011
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Maturity schedule by major category of loans |  |
Maturity schedule by major category of loans, Within One Year | $ 139,979 |
Maturity schedule by major category of loans, After One Year Within Five Years | 199,977 |
Maturity schedule by major category of loans, After Five Years | 161,579 |
Maturity schedule by major category of loans, Total | 501,535 | 506,402
Commercial Real Estate [Member] |  |
Maturity schedule by major category of loans |  |
Maturity schedule by major category of loans, Within One Year | 25,448 |
Maturity schedule by major category of loans, After One Year Within Five Years | 103,857 |
Maturity schedule by major category of loans, After Five Years | 70,694 |
Maturity schedule by major category of loans, Total | 199,999 | 198,266
Agricultural Real Estate [Member] |  |
Maturity schedule by major category of loans |  |
Maturity schedule by major category of loans, Within One Year | 3,337 |
Maturity schedule by major category of loans, After One Year Within Five Years | 10,136 |
Maturity schedule by major category of loans, After Five Years | 26,670 |
Maturity schedule by major category of loans, Total | 40,143 | 31,993
Consumer Real Estate [Member] |  |
Maturity schedule by major category of loans |  |
Maturity schedule by major category of loans, Within One Year | 9,535 |
Maturity schedule by major category of loans, After One Year Within Five Years | 14,424 |
Maturity schedule by major category of loans, After Five Years | 56,328 |
Maturity schedule by major category of loans, Total | 80,287 | 84,477
Commercial and Industrial [Member] |  |
Maturity schedule by major category of loans |  |
Maturity schedule by major category of loans, Within One Year | 58,744 |
Maturity schedule by major category of loans, After One Year Within Five Years | 39,716 |
Maturity schedule by major category of loans, After Five Years | 3,164 |
Maturity schedule by major category of loans, Total | 101,624 | 114,497
Agricultural [Member] |  |
Maturity schedule by major category of loans |  |
Maturity schedule by major category of loans, Within One Year | 37,153 |
Maturity schedule by major category of loans, After One Year Within Five Years | 18,116 |
Maturity schedule by major category of loans, After Five Years | 2,501 |
Maturity schedule by major category of loans, Total | 57,770 | 52,598
Consumer [Member] |  |
Maturity schedule by major category of loans |  |
Maturity schedule by major category of loans, Within One Year | 5,345 |
Maturity schedule by major category of loans, After One Year Within Five Years | 13,238 |
Maturity schedule by major category of loans, After Five Years | 1,830 |
Maturity schedule by major category of loans, Total | 20,413 | 23,375
Industrial Development Bonds [Member] |  |
Maturity schedule by major category of loans |  |
Maturity schedule by major category of loans, Within One Year | 417 |
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 |
Maturity schedule by major category of loans, Total | $ 1,299 | $ 1,196

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- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6375948&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 01-6 -Paragraph 13 -Subparagraph e -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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