XML 23 R30.htm IDEA: XBRL DOCUMENT v2.4.0.8
Loans - Risk Category of Loans by Portfolio Segment (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross $ 608,993 $ 576,343
Agricultural Real Estate [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 48,812 44,301
Agricultural Real Estate [Member] | 1-2 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 3,961 3,764
Agricultural Real Estate [Member] | 3 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 14,844 14,588
Agricultural Real Estate [Member] | 4 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 29,512 25,186
Agricultural Real Estate [Member] | 5 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 276 729
Agricultural Real Estate [Member] | 6 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 219 34
Agricultural Real Estate [Member] | 7 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 0 0
Agricultural Real Estate [Member] | 8 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 0 0
Agricultural [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 67,221 65,449
Agricultural [Member] | 1-2 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 7,964 9,263
Agricultural [Member] | 3 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 23,115 27,212
Agricultural [Member] | 4 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 36,142 28,974
Agricultural [Member] | 5 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 0 0
Agricultural [Member] | 6 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 0 0
Agricultural [Member] | 7 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 0 0
Agricultural [Member] | 8 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 0 0
Commercial Real Estate [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 274,074 248,893
Commercial Real Estate [Member] | 1-2 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 1,250 1,104
Commercial Real Estate [Member] | 3 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 51,943 55,060
Commercial Real Estate [Member] | 4 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 216,262 182,277
Commercial Real Estate [Member] | 5 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 1,828 4,987
Commercial Real Estate [Member] | 6 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 2,791 5,092
Commercial Real Estate [Member] | 7 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 0 373
Commercial Real Estate [Member] | 8 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 0 0
Commercial and Industrial [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 92,926 99,498
Commercial and Industrial [Member] | 1-2 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 212 2,525
Commercial and Industrial [Member] | 3 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 22,552 21,610
Commercial and Industrial [Member] | 4 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 67,672 72,059
Commercial and Industrial [Member] | 5 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 2,085 2,119
Commercial and Industrial [Member] | 6 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 174 758
Commercial and Industrial [Member] | 7 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 231 427
Commercial and Industrial [Member] | 8 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 0 0
Industrial Development Bonds [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 4,854 4,358
Industrial Development Bonds [Member] | 1-2 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 0 0
Industrial Development Bonds [Member] | 3 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 4,392 3,869
Industrial Development Bonds [Member] | 4 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 462 489
Industrial Development Bonds [Member] | 5 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 0 0
Industrial Development Bonds [Member] | 6 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 0 0
Industrial Development Bonds [Member] | 7 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross 0 0
Industrial Development Bonds [Member] | 8 [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans - Gross $ 0 $ 0