Debt - Summary of Net Carrying Amount of Convertible Notes (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Line of Credit Facility [Line Items]
Net carrying value of Convertible Notes	$ 5,485,002	$ 4,925,466
Senior notes
Line of Credit Facility [Line Items]
Net carrying value of Convertible Notes	5,400,000	4,500,000
1.75% senior notes due in 2026 | Senior notes
Line of Credit Facility [Line Items]
Principal	499,991	500,000
Less: Unamortized debt discount	108,719	129,102
Less: Unamortized debt discount	9,799	11,263
Net carrying value of Convertible Notes	$ 381,473	$ 359,635