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Goodwill And Other Intangible Assets (Summary Of Other Intangible Assets) (Details) - Community Banking [Member] - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Goodwill [Line Items]    
Identifiable intangible assets, Gross carrying amount $ 15,444 $ 14,727
Identifiable intangible assets, Less: accumulated amortization (4,792) (4,363)
Identifiable intangible assets, Net carrying amount $ 10,652 $ 10,364