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Loans, Trouble Debt Restructuring (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2017
USD ($)
Contract
Mar. 31, 2016
Contract
Dec. 31, 2016
USD ($)
Loans [Abstract]      
Reserves of allowance for loan losses $ 27   $ 29
Financing receivable modifications [Abstract]      
Number of contract, subsequently defaults | Contract 0 0  
Foreclosed assets held for sale [Abstract]      
Foreclosed assets held for sale $ 1,248   $ 1,036
Interest Modification [Member]      
Financing receivable modifications [Abstract]      
Number of contracts | Contract 0    
Pre-modification Outstanding Recorded Investment $ 0    
Post-Modification Outstanding Recorded Investment $ 0    
Term Modification [Member]      
Financing receivable modifications [Abstract]      
Number of contracts | Contract 2    
Pre-modification Outstanding Recorded Investment $ 703    
Post-Modification Outstanding Recorded Investment $ 703    
Real Estate Loans [Member] | Commercial [Member] | Interest Modification [Member]      
Financing receivable modifications [Abstract]      
Number of contracts | Contract 0    
Pre-modification Outstanding Recorded Investment $ 0    
Post-Modification Outstanding Recorded Investment $ 0    
Real Estate Loans [Member] | Commercial [Member] | Term Modification [Member]      
Financing receivable modifications [Abstract]      
Number of contracts | Contract 2    
Pre-modification Outstanding Recorded Investment $ 703    
Post-Modification Outstanding Recorded Investment 703    
Consumer Residential Mortgages [Member]      
Foreclosed assets held for sale [Abstract]      
Foreclosed assets held for sale 265    
Formal foreclosure proceedings on potential foreclosure assets $ 1,422