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Goodwill And Other Intangible Assets (Schedule Of Estimated Future Amortization Expense) (Details)
$ in Thousands
Dec. 31, 2020
USD ($)
Goodwill And Intangible Assets Disclosure [Abstract]  
2021 $ 6,647
2022 6,766
2023 6,408
2024 5,277
2025 $ 5,215