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Commitments and Contingencies - Schedule of Future Minimum Contractual Commitments (Details)
$ in Thousands
Mar. 31, 2019
USD ($)
Commitments And Contingencies Disclosure [Abstract]  
Remainder of 2019 $ 447,589
2020 627,007
2021 681,143
2022 382,333
Total minimum commitments $ 2,138,072