Convertible Senior Notes - Summary of Fair Value and Carrying Value of Convertible Senior Notes (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
0% Convertible Senior Notes Due 2026 | Fair Value
Debt Instrument [Line Items]
Convertible senior notes	$ 302,820	$ 318,311
0% Convertible Senior Notes Due 2026 | Carrying Value
Debt Instrument [Line Items]
Convertible senior notes	367,177	277,739
0.125% Convertible Senior Notes Due 2024 | Fair Value
Debt Instrument [Line Items]
Convertible senior notes	393,566	440,564
0.125% Convertible Senior Notes Due 2024 | Carrying Value
Debt Instrument [Line Items]
Convertible senior notes	443,679	387,956
1.50% Convertible Senior Notes Due 2022 | Fair Value
Debt Instrument [Line Items]
Convertible senior notes	9	16
1.50% Convertible Senior Notes Due 2022 | Carrying Value
Debt Instrument [Line Items]
Convertible senior notes	$ 8	$ 8