XML 11 R48.htm IDEA: XBRL DOCUMENT v3.2.0.727
Disclosures about Fair Value of Assets and Liabilities - Unobservable Inputs Used in Recurring and Nonrecurring Measurements (Detail) - Significant Unobservable Inputs (Level 3) [Member] - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2015
Dec. 31, 2014
Jun. 30, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair value, measurement with unobservable inputs, assets, value $ 0   $ 0
Impaired Loans [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair value, measurement with unobservable inputs, assets, value 1,514,000 $ 940,000  
Mortgage Servicing Rights [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair value, measurement with unobservable inputs, assets, value   530,000  
Other Real Estate Owned [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair value, measurement with unobservable inputs, assets, value $ 379,000 $ 1,166,000  
Minimum [Member] | Impaired Loans [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair value assumptions, weighted average volatility rate 0.00% 0.60%  
Minimum [Member] | Mortgage Servicing Rights [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair value assumptions, Discount rate   5.06%  
Fair value assumptions, Prepayment speed   10.22%  
Minimum [Member] | Other Real Estate Owned [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair value assumptions, weighted average volatility rate 7.00% 6.40%  
Maximum [Member] | Impaired Loans [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair value assumptions, weighted average volatility rate 100.00% 64.90%  
Maximum [Member] | Mortgage Servicing Rights [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair value assumptions, Discount rate   6.08%  
Fair value assumptions, Prepayment speed   22.74%  
Maximum [Member] | Other Real Estate Owned [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair value assumptions, weighted average volatility rate 11.00% 7.00%