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Goodwill And Other Intangible Assets (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Goodwill And Intangible Assets Disclosure [Abstract]          
Carrying amount of goodwill $ 66,062   $ 66,062   $ 66,062
Amortization during the year $ 316 $ 305 $ 639 $ 593