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Summary Of Significant Accounting Policies (Schedule Of Mortgage Service Rights) (Details) - Residential Mortgage [Member] - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Balance at beginning of period $ 808 $ 492 $ 672 $ 324
Originations of mortgage servicing rights 104 77 297 277
Amortization expense (36) (20) (93) (52)
Balance at end of period $ 876 $ 549 $ 876 $ 549