Long-Term Debt - Capped Call Transactions (Details) - USD ($) $ in Millions	1 Months Ended
	Sep. 30, 2021	Aug. 31, 2021
2023 Convertible Notes
Debt Instrument [Line Items]
Base Capped Call options	113,655
Options terminated	39,859
Options terminated (in shares)	200,000
Convertible debt repurchased	$ 39.9
Base Capped Call options (in shares)	600,000
Exchange of 2023 Convertible Notes
Debt Instrument [Line Items]
Capped Call options		460,000
Base Capped Call options		400,000
Additional Capped Call Options		60,000
Options terminated		306,486
Base Capped Call options, terminated		246,486
Additional Capped Call options, terminated		60,000
Options terminated (in shares)		1,500,000