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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, 2013
Commercial Real Estate [Member]
  
Accounts, Notes, Loans and Financing Receivable [Line Items]  
Distribution of fixed rate loans by major loan category, Fixed Rate $ 141,991
Distribution of variable rate loans by major loan category, Variable Rate 90,113
Agricultural Real Estate [Member]
  
Accounts, Notes, Loans and Financing Receivable [Line Items]  
Distribution of fixed rate loans by major loan category, Fixed Rate 28,277
Distribution of variable rate loans by major loan category, Variable Rate 9,481
Consumer Real Estate [Member]
  
Accounts, Notes, Loans and Financing Receivable [Line Items]  
Distribution of fixed rate loans by major loan category, Fixed Rate 66,464
Distribution of variable rate loans by major loan category, Variable Rate 12,804
Commercial and Industrial [Member]
  
Accounts, Notes, Loans and Financing Receivable [Line Items]  
Distribution of fixed rate loans by major loan category, Fixed Rate 72,385
Distribution of variable rate loans by major loan category, Variable Rate 19,955
Agricultural [Member]
  
Accounts, Notes, Loans and Financing Receivable [Line Items]  
Distribution of fixed rate loans by major loan category, Fixed Rate 51,662
Distribution of variable rate loans by major loan category, Variable Rate 5,090
Consumer [Member]
  
Accounts, Notes, Loans and Financing Receivable [Line Items]  
Distribution of fixed rate loans by major loan category, Fixed Rate 16,686
Distribution of variable rate loans by major loan category, Variable Rate 4,115
Industrial Development Bonds [Member]
  
Accounts, Notes, Loans and Financing Receivable [Line Items]  
Distribution of fixed rate loans by major loan category, Fixed Rate 4,303
Distribution of variable rate loans by major loan category, Variable Rate