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Loans - Loans (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Loans:
Loans - Gross	$ 576,343	$ 501,535
Less: Net deferred loan fees and costs	(230)	(133)
Loans after net deferred loan fees and costs	576,113	501,402
Less: Allowance for loan losses	(5,194)	(5,224)	(5,091)	(5,706)
Loans - Net	570,919	496,178
Commercial Real Estate [Member]
Loans:
Loans - Gross	248,893	199,999
Agricultural Real Estate [Member]
Loans:
Loans - Gross	44,301	40,143
Consumer Real Estate [Member]
Loans:
Loans - Gross	92,438	80,287
Commercial and Industrial [Member]
Loans:
Loans - Gross	99,498	101,624
Agricultural [Member]
Loans:
Loans - Gross	65,449	57,770
Consumer [Member]
Loans:
Loans - Gross	21,406	20,413
Industrial Development Bonds [Member]
Loans:
Loans - Gross	$ 4,358	$ 1,299

X

- Definition

Loans after net deferred loan fees and costs.

+ References

No definition available.

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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.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.7(d))

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Subparagraph d

-Article 9



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (b)(1)(ii)

-URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544



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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section L

-Subsection 1

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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 and loans held for sale.

+ References

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-Publisher FASB

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-Topic 310

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-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522



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-Paragraph 1

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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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