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Loans Textuals (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Loan and Lease Disclosure (Textuals) [Abstract]    
Percentage Of Loans Secured By Real Estate 84.90%  
LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans $ 140 $ 107