Convertible Senior Notes - Convertible Debt Balances (Details) - Convertible Debt - Convertible Senior Notes - USD ($)	Dec. 31, 2022	Dec. 31, 2021	Sep. 25, 2020
Liability:
Principal amount	$ 575,000,000	$ 575,000,000	$ 575,000,000
Unamortized discount	0	(77,136,000)
Unamortized debt issuance costs	(8,429,000)	(9,712,000)
Convertible senior notes, liability component	566,571,000		461,800,000
Convertible senior notes, liability component		488,152,000
Convertible senior notes, equity component	$ 0	$ 72,732,000	$ 72,700,000