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Goodwill And Other Intangible Assets (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Goodwill And Intangible Assets Disclosure [Abstract]          
Carrying amount of goodwill $ 66,062   $ 66,062   $ 66,062
Amortization expense during the year $ 309 $ 334 $ 948 $ 927