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Loans - Impaired Loans Classified as Troubled Debt Restructured (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Sep. 30, 2014 Agricultural Real Estate [Member] Contract | Sep. 30, 2014 Agricultural Real Estate [Member] Contract | Sep. 30, 2013 Commercial and Industrial [Member] Contract | Sep. 30, 2013 Commercial and Industrial [Member] Contract
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts Modified, Troubled Debt Restructurings | 0 | 2 | 0 | 1
Pre- Modification Outstanding Recorded Investment | $ 0 | $ 153 | $ 0 | $ 81
Post- Modification Outstanding Recorded Investment | $ 0 | $ 141 | $ 0 | $ 43

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- Definition Financing receivable modifications pre modification recorded investment one. + References No definition available. + Details
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- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953676-111524 + Details
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