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Loans (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Loans:
Loans - Gross	$ 501,535	$ 506,402
Less: Net deferred loan fees and costs	(133)	(187)
Loans after net deferred loan fees and costs	501,402	506,215
Less: Allowance for loan losses	(5,224)	(5,091)	(5,706)	(6,008)
Loans - Net	496,178	501,124
Commercial Real Estate [Member]
Loans:
Loans - Gross	199,999	198,266
Agricultural Real Estate [Member]
Loans:
Loans - Gross	40,143	31,993
Consumer Real Estate [Member]
Loans:
Loans - Gross	80,287	84,477
Commercial and Industrial [Member]
Loans:
Loans - Gross	101,624	114,497
Agricultural [Member]
Loans:
Loans - Gross	57,770	52,598
Consumer [Member]
Loans:
Loans - Gross	20,413	23,375
Industrial Development Bonds [Member]
Loans:
Loans - Gross	$ 1,299	$ 1,196

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Loans after net deferred loan fees and costs.

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- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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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.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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Amount of deferred fees paid by borrowers and unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of loans that are being amortized into income as an adjustment to yield. Excludes amounts for loans and leases covered under loss sharing agreements.

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