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Other Intangible Assets (Schedule of Estimated Amortization Expense Relating to Intangible Assets) (Details)
$ in Thousands
Dec. 31, 2019
USD ($)
Other Intangible Assets [Abstract]  
2020 $ 24,792
2021 24,667
2022 24,598
2023 7,662
2024 3,605
Thereafter 2,004
Net book value of other intangible assets $ 87,328