XML 62 R51.htm IDEA: XBRL DOCUMENT v3.7.0.1
Allowance for Loan Losses Narrative (Details)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2017
USD ($)
loan_class
Dec. 31, 2016
USD ($)
Mar. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Number of classes in the loan portfolio (loan class) | loan_class 8      
Allowance for loan and lease losses, percent 0.40% 0.39%    
Allowance for loan and lease losses, period increase (decrease) $ 104      
Allowance for loan losses $ 10,367 $ 10,138 $ 10,219 $ 9,916
Allowance for loan losses as a percent of total loans 0.95% 0.95% 1.02%  
Number of classes in the commercial loan portfolio (loan class) | loan_class 3      
Residential loans typical loan to value range, maximum 80.00%      
Construction loans accrual to company capital 27.80%      
Constructions loan portfolio maximum to company capital 100.00%      
Construction and non owner occupied commercial real estate 107.10%      
Maximum loan portfolio to company capital 300.00%      
Outstanding loans and commitments subject by independent consulting firm 50.00%      
Consumer        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Allowance for loan losses $ 573 $ 559 $ 654 566
Delinquent period before consumer loans charged off 120 days      
Residential        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Delinquent period before residential loans placed on non accrual status 90 days      
Delinquent period for loans charged off 180 days      
Delinquency period for loans charged off after receipt of notification from bankruptcy court 60 days      
Home equity line of credit        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Allowance for loan losses $ 811 807 905 $ 893
Unallocated Reserves        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Allowance for loan losses $ 1,591 $ 1,258 $ 1,591  
Percent of total reserve allowance accounted for by loan loss allowances 15.30% 12.40%