Fair Value Measurements (Details) (USD $)	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012
Available-for-Sale Securities: [Abstract]
Fair/Book Value, Total	$ 404,639,000	$ 417,991,000
Impaired Loans [Abstract]
Percentage of selling costs reduced in sales comparison approach (in hundredths)	10.00%
Transfers out of Level 3	5,600,000
Residential 1st Mortgages [Member] \| Sales Comparison Approach [Member]
Impaired Loans [Abstract]
Total Assets Measured at Fair Value On a Non-Recurring Basis	614,000
Quantitative Information [Abstract]
Fair Value	614,000
Valuation Technique	Sales Comparison Approach
Unobservable Inputs	Adjustment for Difference Between Comparable Sales
Residential 1st Mortgages [Member] \| Minimum [Member] \| Sales Comparison Approach [Member]
Quantitative Information [Abstract]
Range, Weighted Avg. (in hundredths)	1.00%
Residential 1st Mortgages [Member] \| Maximum [Member] \| Sales Comparison Approach [Member]
Quantitative Information [Abstract]
Range, Weighted Avg. (in hundredths)	35.00%
Residential 1st Mortgages [Member] \| Weighted Average [Member] \| Sales Comparison Approach [Member]
Quantitative Information [Abstract]
Range, Weighted Avg. (in hundredths)	22.00%
Home Equity Lines and Loans [Member] \| Sales Comparison Approach [Member]
Impaired Loans [Abstract]
Total Assets Measured at Fair Value On a Non-Recurring Basis	551,000
Quantitative Information [Abstract]
Fair Value	551,000
Valuation Technique	Sales Comparison Approach
Unobservable Inputs	Adjustment for Difference Between Comparable Sales
Home Equity Lines and Loans [Member] \| Minimum [Member] \| Sales Comparison Approach [Member]
Quantitative Information [Abstract]
Range, Weighted Avg. (in hundredths)	2.00%
Home Equity Lines and Loans [Member] \| Maximum [Member] \| Sales Comparison Approach [Member]
Quantitative Information [Abstract]
Range, Weighted Avg. (in hundredths)	34.00%
Home Equity Lines and Loans [Member] \| Weighted Average [Member] \| Sales Comparison Approach [Member]
Quantitative Information [Abstract]
Range, Weighted Avg. (in hundredths)	11.00%
Agricultural [Member] \| Income Approach [Member]
Impaired Loans [Abstract]
Total Assets Measured at Fair Value On a Non-Recurring Basis	366,000
Quantitative Information [Abstract]
Fair Value	366,000
Valuation Technique	Income Approach
Unobservable Inputs	Capitalization Rate
Agricultural [Member] \| Minimum [Member] \| Income Approach [Member]
Quantitative Information [Abstract]
Range, Weighted Avg. (in hundredths)	14.00%
Agricultural [Member] \| Maximum [Member] \| Income Approach [Member]
Quantitative Information [Abstract]
Range, Weighted Avg. (in hundredths)	14.00%
Agricultural [Member] \| Weighted Average [Member] \| Income Approach [Member]
Quantitative Information [Abstract]
Range, Weighted Avg. (in hundredths)	14.00%
Commercial [Member] \| Sales Comparison Approach [Member]
Impaired Loans [Abstract]
Total Assets Measured at Fair Value On a Non-Recurring Basis	820,000
Quantitative Information [Abstract]
Fair Value	820,000
Valuation Technique	Sales Comparison Approach
Unobservable Inputs	Adjustment for Difference Between Comparable Sales
Commercial [Member] \| Minimum [Member] \| Sales Comparison Approach [Member]
Quantitative Information [Abstract]
Range, Weighted Avg. (in hundredths)	15.00%
Commercial [Member] \| Maximum [Member] \| Sales Comparison Approach [Member]
Quantitative Information [Abstract]
Range, Weighted Avg. (in hundredths)	15.00%
Commercial [Member] \| Weighted Average [Member] \| Sales Comparison Approach [Member]
Quantitative Information [Abstract]
Range, Weighted Avg. (in hundredths)	15.00%
Real Estate Construction [Member] \| Sales Comparison Approach [Member]
Impaired Loans [Abstract]
Total Assets Measured at Fair Value On a Non-Recurring Basis	2,399,000
Quantitative Information [Abstract]
Fair Value	2,399,000
Valuation Technique	Sales Comparison Approach
Unobservable Inputs	Adjustment for Difference Between Comparable Sales
Real Estate Construction [Member] \| Minimum [Member] \| Sales Comparison Approach [Member]
Quantitative Information [Abstract]
Range, Weighted Avg. (in hundredths)	10.00%
Real Estate Construction [Member] \| Maximum [Member] \| Sales Comparison Approach [Member]
Quantitative Information [Abstract]
Range, Weighted Avg. (in hundredths)	10.00%
Real Estate Construction [Member] \| Weighted Average [Member] \| Sales Comparison Approach [Member]
Quantitative Information [Abstract]
Range, Weighted Avg. (in hundredths)	10.00%
Agricultural Real Estate [Member] \| Sales Comparison Approach [Member]
Impaired Loans [Abstract]
Total Assets Measured at Fair Value On a Non-Recurring Basis	2,212,000
Quantitative Information [Abstract]
Fair Value	2,212,000
Valuation Technique	Sales Comparison Approach
Unobservable Inputs	Adjustment for Difference Between Comparable Sales
Agricultural Real Estate [Member] \| Minimum [Member] \| Sales Comparison Approach [Member]
Quantitative Information [Abstract]
Range, Weighted Avg. (in hundredths)	10.00%
Agricultural Real Estate [Member] \| Maximum [Member] \| Sales Comparison Approach [Member]
Quantitative Information [Abstract]
Range, Weighted Avg. (in hundredths)	10.00%
Agricultural Real Estate [Member] \| Weighted Average [Member] \| Sales Comparison Approach [Member]
Quantitative Information [Abstract]
Range, Weighted Avg. (in hundredths)	10.00%
Recurring [Member] \| Fair Value [Member]
Available-for-Sale Securities: [Abstract]
Government Agency & Government-Sponsored Entities	28,436,000	26,823,000
Obligations of States and Political Subdivisions		5,665,000
Mortgage Backed Securities	324,929,000	352,772,000
Corporate Securities	49,380,000	22,558,000
Other	1,894,000	10,173,000
Fair/Book Value, Total	404,639,000	417,991,000
Recurring [Member] \| Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Available-for-Sale Securities: [Abstract]
Government Agency & Government-Sponsored Entities	23,394,000	21,731,000
Obligations of States and Political Subdivisions		0
Mortgage Backed Securities	0	0
Corporate Securities	8,191,000	4,020,000
Other	1,584,000	9,863,000
Fair/Book Value, Total	33,169,000	35,614,000
Recurring [Member] \| Other Observable Inputs (Level 2) [Member]
Available-for-Sale Securities: [Abstract]
Government Agency & Government-Sponsored Entities	5,042,000	5,092,000
Obligations of States and Political Subdivisions		0
Mortgage Backed Securities	324,929,000	352,772,000
Corporate Securities	41,189,000	18,538,000
Other	310,000	310,000
Fair/Book Value, Total	371,470,000	376,712,000
Recurring [Member] \| Significant Unobservable Inputs (Level 3) [Member]
Available-for-Sale Securities: [Abstract]
Government Agency & Government-Sponsored Entities	0	0
Obligations of States and Political Subdivisions		5,665,000
Mortgage Backed Securities	0	0
Corporate Securities	0	0
Other	0	0
Fair/Book Value, Total	0	5,665,000
Changes in level 3 assets measured at fair value on a recurring basis [Roll Forward]
Balance at Beginning of Period	5,665,000	5,782,000
Total Realized and Unrealized Gains/(Losses) Included in Income	0	0
Total Unrealized Gains/(Losses) Included in Other Comprehensive Income	0	0
Purchase of Securities	0	0
Sales, Maturities, and Calls of Securities	(84,000)	(117,000)
Net Transfers out of Available for Sale Securities	(5,581,000)	0
Balance at End of Period	0	5,665,000
Nonrecurring [Member] \| Fair Value [Member]
Impaired Loans [Abstract]
Residential 1st Mortgage	614,000	235,000
Home Equity Lines and Loans	551,000	462,000
Agricultural	366,000	1,010,000
Commercial	820,000
Total Impaired Loans	2,351,000	1,707,000
Real Estate Construction	2,399,000	2,553,000
Agricultural Real Estate	2,212,000
Total Other Real Estate	4,611,000	2,553,000
Total Assets Measured at Fair Value On a Non-Recurring Basis	6,962,000	4,260,000
Quantitative Information [Abstract]
Fair Value	6,962,000	4,260,000
Nonrecurring [Member] \| Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Impaired Loans [Abstract]
Residential 1st Mortgage	0	0
Home Equity Lines and Loans	0	0
Agricultural	0	0
Commercial	0
Total Impaired Loans	0	0
Real Estate Construction	0	0
Agricultural Real Estate	0
Total Other Real Estate	0	0
Total Assets Measured at Fair Value On a Non-Recurring Basis	0	0
Quantitative Information [Abstract]
Fair Value	0	0
Nonrecurring [Member] \| Other Observable Inputs (Level 2) [Member]
Impaired Loans [Abstract]
Residential 1st Mortgage	0	0
Home Equity Lines and Loans	0	0
Agricultural	0	0
Commercial	0
Total Impaired Loans	0	0
Real Estate Construction	0	0
Agricultural Real Estate	0
Total Other Real Estate	0	0
Total Assets Measured at Fair Value On a Non-Recurring Basis	0	0
Quantitative Information [Abstract]
Fair Value	0	0
Nonrecurring [Member] \| Significant Unobservable Inputs (Level 3) [Member]
Impaired Loans [Abstract]
Residential 1st Mortgage	614,000	235,000
Home Equity Lines and Loans	551,000	462,000
Agricultural	366,000	1,010,000
Commercial	820,000
Total Impaired Loans	2,351,000	1,707,000
Real Estate Construction	2,399,000	2,553,000
Agricultural Real Estate	2,212,000
Total Other Real Estate	4,611,000	2,553,000
Total Assets Measured at Fair Value On a Non-Recurring Basis	6,962,000	4,260,000
Quantitative Information [Abstract]
Fair Value	$ 6,962,000	$ 4,260,000

Fair value disclosure of loans and lines of credit made to farmers to finance agricultural production.

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Fair value disclosure of other real estate related to Agricultural Other Real Estate.

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Fair value disclosure of secured and unsecured loans for purposes such as seasonal working capital needs, inventory financing, equipment purchases and acquisitions.

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Unobservable input adjustments applicable to valuation technique.

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No definition available.

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This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. Government Agencies Debentures, notes and other debt securities issued by US government agencies, for example but not limited to, Government National Mortgage Association (GNMA or Ginnie Mae) which have been categorized as available-for-sale. Excludes US treasury Securities. Government Sponsored Entities (GESs) Debentures, bonds and other debt securities issued by US government sponsored entities, for example, but not limited to, Federal Home Loan Mortgage Corporation (FHLMC or Freddie Mac), Federal National Mortgage Association (FNMA or Fannie Mae), and the Federal Home Loan Bank (FHLB) which have been categorized as available-for-sale.

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No definition available.

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Fair value disclosure of revolving, open-end loan extended under a line of credit and secured by the borrower's residential property.

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No definition available.

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This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents impaired loan receivable as presented on the statement of financial position which may include mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts, or any other loans which are due the Company as of the balance sheet date.

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Refers to percentage of selling costs reduced in sales comparison approach.

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Fair value disclosure of other real estate related to construction.

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Fair value disclosure of loans to purchase or refinance residential real estate for example, but not limited to a home, in which the real estate itself serves as collateral for the loan.

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Total fair value disclosure of other real estate assets.

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This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a nonrecurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

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No definition available.

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 25

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Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

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Description of the inputs and valuation technique(s) used to measure fair value.

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Amount of gain (loss) recognized in the income statement for financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of gain (loss) recognized in other comprehensive income (loss) for financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of transfer of financial instrument classified as an asset into (out of) level 3 of the fair value hierarchy.

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No definition available.

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Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy.

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Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Fair value of securitized, pay-through debt securities collateralized by real estate mortgage loans classified as available-for-sale.

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-Name Accounting Standards Codification

-Glossary Mortgage-Backed Securities

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Fair value portion of other assets.

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No definition available.

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