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Goodwill And Other Intangible Assets (Schedule of Expected Amortization Expense) (Details)
$ in Thousands
Dec. 31, 2019
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
2017 $ 3,070
2018 3,070
2019 2,935
2020 2,309
2021 $ 2,269