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Troubled Debt Restructurings (Details Textual)
3 Months Ended
Mar. 31, 2016
USD ($)
Loans
Mar. 31, 2015
USD ($)
Loans
Dec. 31, 2015
USD ($)
Financing Receivable Modifications [Line Items]      
Total troubled debt restructurings $ 8,800,000   $ 9,300,000
Specific reserves to customers 482,000   497,000
Commitments to lend additional amounts to borrowers classified as troubled debt restructurings 0   0
Provision for loan losses $ 780,000 $ 450,000  
Residential real estate, Home equity lines of credit      
Financing Receivable Modifications [Line Items]      
Troubled debt restructured loans with subsequent payment defaults | Loans | Loans 1    
Residential real estate loan and home equity line of credit      
Financing Receivable Modifications [Line Items]      
Loans default payment past due period 30 days    
Residential real estate indirect      
Financing Receivable Modifications [Line Items]      
Provision for loan losses   $ 23,000  
Troubled debt restructured loans with subsequent payment defaults | Loans | Loans 1 1  
Troubled debt restructurings      
Financing Receivable Modifications [Line Items]      
Specific reserves to customers $ 497,000   $ 528,000
Allowance adjustment charge offs 11,000 $ 35,000  
Provision for loan losses $ 11,000 $ 33,000  
Contractual Interest Rate Reduction      
Financing Receivable Modifications [Line Items]      
Reduction of the notes stated interest rate 1.24%    
Extended Maturity | Minimum      
Financing Receivable Modifications [Line Items]      
Maturity period loans 9 months    
Extended Maturity | Maximum      
Financing Receivable Modifications [Line Items]      
Maturity period loans 120 months    
Troubled debt restructurings subsequent | Residential real estate loan and home equity line of credit      
Financing Receivable Modifications [Line Items]      
Provision for loan losses $ 0