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Goodwill And Other Intangible Assets (Schedule Of Estimated Future Amortization Expense) (Details)
$ in Thousands
Jun. 30, 2018
USD ($)
Goodwill And Other Intangible Assets [Abstract]  
2018 (remaining six months) $ 5,336
2019 11,311
2020 10,499
2021 7,312
2022 $ 7,242