Annual report pursuant to Section 13 and 15(d)

Goodwill and Intangible Assets (5 Year Future Amortization) (Details)

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Goodwill and Intangible Assets (5 Year Future Amortization) (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2018
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
Amortization expense $ 53,500
Years Ending December 31,  
2019 59,790
2020 49,892
2021 39,548
2022 34,428
2023 $ 32,341