Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments

Goodwill and Other Intangible Assets (Schedule of Estimated Amortization Expense Relating to Intangible Assets) (Details)

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Goodwill and Other Intangible Assets (Schedule of Estimated Amortization Expense Relating to Intangible Assets) (Details)
$ in Thousands
Mar. 31, 2019
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
Remaining 9 months of 2019 $ 18,124
2020 23,933
2021 23,772
2022 23,678
2023 6,698
Thereafter 5,281
Net Book Value $ 101,486