XML 75 R58.htm IDEA: XBRL DOCUMENT v3.3.1.900
Fair Value Measurement of Assets and Liabilities - Additional Information (Detail)
$ in Thousands
12 Months Ended
Dec. 31, 2015
USD ($)
Security
Dec. 31, 2014
USD ($)
SecurityLoan
Security
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Write-downs charged to non-interest income $ 320 $ 861
Fair value, unobservable inputs, quantitative information for assets measured on non-recurring basis, impaired loans non-current appraisal discount percentage 12.00%  
Impaired collateral dependent loans, charge-offs $ 5,400 6,500
Collateral dependent impaired loans, recorded investment 15,800 15,000
Specific valuation allowance allocations 352 1,000
Reported net carrying amount of impaired loans $ 15,400 14,000
Valuation of loan servicing rights, discount rate 8.00%  
Net impairment (recovery of impairment) on loan servicing rights $ (303) 88
Appraisal of foreclosed asset discount 7.60%  
Foreclosed assets measured at fair value upon initial recognition $ 16,700 18,100
Allowance for loan losses, charge-offs 1,600 3,700
Loss due to re-measurement of repossessed assets $ 2,000 $ 4,700
Minimum [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Valuation of loan servicing rights, prepayment rate 0.00%  
Maximum [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Valuation of loan servicing rights, prepayment rate 23.00%  
Non-Performing Loans [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Number of loans held for sale (in loan) | SecurityLoan   1
Non-Performing Loans [Member] | Commercial real estate loans [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Number of loans held for sale (in loan) | SecurityLoan   1
Write-downs charged to non-interest income   $ 3,000
Estimate of Fair Value Measurement [Member] | Fair Value, Measurements, Nonrecurring [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Non-performing loans held for sale   $ 7,130
Trust preferred securities [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Number of available for sale securities (in security) | Security 2 3
Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Nonrecurring [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Non-performing loans held for sale   $ 7,130
Significant Unobservable Inputs (Level 3) [Member] | Residential mortgage-backed securities [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Number of available for sale securities (in security) | Security 4 5
Significant Unobservable Inputs (Level 3) [Member] | Trust preferred securities [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Number of available for sale securities (in security) | Security 1 2