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Intangible Assets and Goodwill - Estimated Amortization Expense of Definite-Lived Intangibles Assets (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Finite Lived Intangible Assets Future Amortization Expense Current And Five Succeeding Fiscal Years [Abstract]    
Remainder of 2020 $ 72,775  
2021 271,338  
2022 268,939  
2023 266,054  
2024 264,272  
Thereafter 1,811,706  
Net $ 2,955,084 $ 3,259,620