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Loans Held For Sale And Loan Servicing Rights (Activity In Capitalized Mortgage Serving Assets) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Loans Held For Sale And Loan Servicing Rights [Abstract]      
Mortgage servicing assets, beginning of year $ 990 $ 1,077 $ 1,225
Originations 298 231 150
Amortization (267) (318) (298)
Mortgage servicing assets, end of year 1,021 990 1,077
Valuation allowance     (2)
Mortgage servicing assets, net, end of year $ 1,021 $ 990 $ 1,075