XML 44 R52.htm IDEA: XBRL DOCUMENT v3.19.3
Goodwill and Intangible Assets - Estimated Future Amortization Expense By Year From Amortizable Intangibles (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]    
2019 (remaining three months) $ 31,812  
2020 122,864  
2021 102,493  
2022 92,989  
2023 92,989  
Thereafter 493,166  
Finite-lived intangible assets, net $ 936,313 $ 1,042,565