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Allowance for Loan Losses (Details 5) - Consumer Portfolio Segment [Member] - USD ($)
$ in Thousands
Sep. 30, 2016
Dec. 31, 2015
Performing [Member]    
Performing and non-performing outstanding balances of the residential and consumer portfolios    
Loan portfolio $ 267,446 $ 276,493
Performing [Member] | Real estate - mortgage [Member]    
Performing and non-performing outstanding balances of the residential and consumer portfolios    
Loan portfolio 247,628 256,149
Performing [Member] | Consumer [Member]    
Performing and non-performing outstanding balances of the residential and consumer portfolios    
Loan portfolio 19,818 20,344
Non-Performing [Member]    
Performing and non-performing outstanding balances of the residential and consumer portfolios    
Loan portfolio 916 1,788
Non-Performing [Member] | Real estate - mortgage [Member]    
Performing and non-performing outstanding balances of the residential and consumer portfolios    
Loan portfolio 916 1,788
Non-Performing [Member] | Consumer [Member]    
Performing and non-performing outstanding balances of the residential and consumer portfolios    
Loan portfolio $ 0 $ 0