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Loans (Details 5) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Risk category of loans by portfolio segment
Loans - Gross	$ 501,535	$ 506,402
Agricultural Real Estate [Member]
Risk category of loans by portfolio segment
Loans - Gross	40,143	31,993
Agricultural Real Estate [Member] | 1-2 [Member]
Risk category of loans by portfolio segment
Loans - Gross	2,719	1,058
Agricultural Real Estate [Member] | 3 [Member]
Risk category of loans by portfolio segment
Loans - Gross	15,111	12,613
Agricultural Real Estate [Member] | 4 [Member]
Risk category of loans by portfolio segment
Loans - Gross	21,481	17,256
Agricultural Real Estate [Member] | 5 [Member]
Risk category of loans by portfolio segment
Loans - Gross	794	383
Agricultural Real Estate [Member] | 6 [Member]
Risk category of loans by portfolio segment
Loans - Gross	38	683
Agricultural Real Estate [Member] | 7 [Member]
Risk category of loans by portfolio segment
Loans - Gross
Agricultural Real Estate [Member] | 8 [Member]
Risk category of loans by portfolio segment
Loans - Gross
Agricultural [Member]
Risk category of loans by portfolio segment
Loans - Gross	57,770	52,598
Agricultural [Member] | 1-2 [Member]
Risk category of loans by portfolio segment
Loans - Gross	5,022	1,500
Agricultural [Member] | 3 [Member]
Risk category of loans by portfolio segment
Loans - Gross	23,525	25,019
Agricultural [Member] | 4 [Member]
Risk category of loans by portfolio segment
Loans - Gross	29,188	26,008
Agricultural [Member] | 5 [Member]
Risk category of loans by portfolio segment
Loans - Gross	35	57
Agricultural [Member] | 6 [Member]
Risk category of loans by portfolio segment
Loans - Gross		7
Agricultural [Member] | 7 [Member]
Risk category of loans by portfolio segment
Loans - Gross		7
Agricultural [Member] | 8 [Member]
Risk category of loans by portfolio segment
Loans - Gross
Commercial Real Estate [Member]
Risk category of loans by portfolio segment
Loans - Gross	199,999	198,266
Commercial Real Estate [Member] | 1-2 [Member]
Risk category of loans by portfolio segment
Loans - Gross	4,046	3,545
Commercial Real Estate [Member] | 3 [Member]
Risk category of loans by portfolio segment
Loans - Gross	42,467	23,283
Commercial Real Estate [Member] | 4 [Member]
Risk category of loans by portfolio segment
Loans - Gross	137,537	159,959
Commercial Real Estate [Member] | 5 [Member]
Risk category of loans by portfolio segment
Loans - Gross	8,984	6,098
Commercial Real Estate [Member] | 6 [Member]
Risk category of loans by portfolio segment
Loans - Gross	6,295	4,677
Commercial Real Estate [Member] | 7 [Member]
Risk category of loans by portfolio segment
Loans - Gross	670	704
Commercial Real Estate [Member] | 8 [Member]
Risk category of loans by portfolio segment
Loans - Gross
Commercial [Member]
Risk category of loans by portfolio segment
Loans - Gross	101,624	114,497
Commercial [Member] | 1-2 [Member]
Risk category of loans by portfolio segment
Loans - Gross	750	710
Commercial [Member] | 3 [Member]
Risk category of loans by portfolio segment
Loans - Gross	21,750	22,506
Commercial [Member] | 4 [Member]
Risk category of loans by portfolio segment
Loans - Gross	71,228	82,745
Commercial [Member] | 5 [Member]
Risk category of loans by portfolio segment
Loans - Gross	3,385	3,897
Commercial [Member] | 6 [Member]
Risk category of loans by portfolio segment
Loans - Gross	2,202	4,219
Commercial [Member] | 7 [Member]
Risk category of loans by portfolio segment
Loans - Gross	2,309	420
Commercial [Member] | 8 [Member]
Risk category of loans by portfolio segment
Loans - Gross
Industrial Development Bonds [Member]
Risk category of loans by portfolio segment
Loans - Gross	1,299	1,196
Industrial Development Bonds [Member] | 1-2 [Member]
Risk category of loans by portfolio segment
Loans - Gross	97	188
Industrial Development Bonds [Member] | 3 [Member]
Risk category of loans by portfolio segment
Loans - Gross	859	622
Industrial Development Bonds [Member] | 4 [Member]
Risk category of loans by portfolio segment
Loans - Gross	343	386
Industrial Development Bonds [Member] | 5 [Member]
Risk category of loans by portfolio segment
Loans - Gross
Industrial Development Bonds [Member] | 6 [Member]
Risk category of loans by portfolio segment
Loans - Gross
Industrial Development Bonds [Member] | 7 [Member]
Risk category of loans by portfolio segment
Loans - Gross
Industrial Development Bonds [Member] | 8 [Member]
Risk category of loans by portfolio segment
Loans - Gross

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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.

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