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Loans, Credit Quality Indicator (Details) (USD $) | Sep. 30, 2013 | Dec. 31, 2012 | Sep. 30, 2012
--- | --- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | $ 748,044,000 | $ 747,050,000 | $ 726,522,000
Loan balance for reviewing high risk loans minimum | 250,000 |  | 50,000
Commercial [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 49,162,000 | 55,684,000 | 54,281,000
Agricultural [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 17,613,000 | 6,211,000 | 12,594,000
Commercial Construction [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 44,950,000 | 53,808,000 | 54,052,000
Residential Construction [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 4,680,000 | 5,852,000 | 6,038,000
Commercial Real Estate [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 335,444,000 | 334,386,000 | 311,393,000
Residential Real Estate [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 207,758,000 | 203,845,000 | 197,259,000
Farmland [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 49,288,000 | 49,057,000 | 49,478,000
Consumer [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 26,235,000 | 29,778,000 | 29,585,000
Other [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 12,914,000 | 8,429,000 | 11,842,000
Pass [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 680,067,000 | 663,238,000 |
Pass [Member] | Commercial [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 44,155,000 | 49,947,000 |
Pass [Member] | Agricultural [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 17,584,000 | 6,156,000 |
Pass [Member] | Commercial Construction [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 33,924,000 | 37,256,000 |
Pass [Member] | Residential Construction [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 4,473,000 | 5,749,000 |
Pass [Member] | Commercial Real Estate [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 312,492,000 | 298,222,000 |
Pass [Member] | Residential Real Estate [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 184,368,000 | 183,222,000 |
Pass [Member] | Farmland [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 45,078,000 | 45,495,000 |
Pass [Member] | Consumer [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 25,133,000 | 28,840,000 |
Pass [Member] | Other [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 12,860,000 | 8,351,000 |
Special Mention [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 29,090,000 | 25,573,000 |
Special Mention [Member] | Commercial [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 1,780,000 | 1,418,000 |
Special Mention [Member] | Agricultural [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 17,000 | 0 |
Special Mention [Member] | Commercial Construction [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 2,274,000 | 1,664,000 |
Special Mention [Member] | Residential Construction [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 207,000 | 103,000 |
Special Mention [Member] | Commercial Real Estate [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 11,487,000 | 9,759,000 |
Special Mention [Member] | Residential Real Estate [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 12,517,000 | 11,413,000 |
Special Mention [Member] | Farmland [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 480,000 | 914,000 |
Special Mention [Member] | Consumer [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 326,000 | 293,000 |
Special Mention [Member] | Other [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 2,000 | 9,000 |
Substandard [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 38,887,000 | 58,239,000 |
Substandard [Member] | Commercial [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 3,227,000 | 4,319,000 |
Substandard [Member] | Agricultural [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 12,000 | 55,000 |
Substandard [Member] | Commercial Construction [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 8,752,000 | 14,888,000 |
Substandard [Member] | Residential Construction [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 0 | 0 |
Substandard [Member] | Commercial Real Estate [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 11,465,000 | 26,405,000 |
Substandard [Member] | Residential Real Estate [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 10,873,000 | 9,210,000 |
Substandard [Member] | Farmland [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 3,730,000 | 2,648,000 |
Substandard [Member] | Consumer [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | 776,000 | 645,000 |
Substandard [Member] | Other [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Loans | $ 52,000 | $ 69,000 |

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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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