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Loans - Distribution of Fixed Rate Loans and Variable Rate Loans by Major Loan Category (Detail) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2014
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Consumer Real Estate [Member] |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Distribution of fixed rate loans by major loan category, Fixed Rate | $ 77,757
Distribution of variable rate loans by major loan category, Variable Rate | 19,894
Agricultural Real Estate [Member] |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Distribution of fixed rate loans by major loan category, Fixed Rate | 34,129
Distribution of variable rate loans by major loan category, Variable Rate | 14,683
Agricultural [Member] |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Distribution of fixed rate loans by major loan category, Fixed Rate | 62,153
Distribution of variable rate loans by major loan category, Variable Rate | 5,068
Commercial Real Estate [Member] |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Distribution of fixed rate loans by major loan category, Fixed Rate | 175,742
Distribution of variable rate loans by major loan category, Variable Rate | 98,332
Commercial and Industrial [Member] |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Distribution of fixed rate loans by major loan category, Fixed Rate | 69,495
Distribution of variable rate loans by major loan category, Variable Rate | 23,431
Consumer [Member] |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Distribution of fixed rate loans by major loan category, Fixed Rate | 19,191
Distribution of variable rate loans by major loan category, Variable Rate | 4,264
Industrial Development Bonds [Member] |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Distribution of fixed rate loans by major loan category, Fixed Rate | 4,685
Distribution of variable rate loans by major loan category, Variable Rate | $ 169

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- Definition Amount of loan with fixed rate of interest. + 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=28367877&loc=d3e4428-111522 + Details
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- Definition Amount of loan with variable or adjustable rate of interest. + 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=28367877&loc=d3e4428-111522 + Details
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