v3.21.2

Convertible Senior Notes - Schedule of Convertible 2025 Notes (Details) - Convertible Notes Due 2025 - Convertible Debt - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Principal	$ 350,000	$ 350,000
Unamortized debt discount	(62,894)	(73,075)
Unamortized debt issuance costs	(4,476)	(5,235)
Carrying value	282,630	271,690
Net carrying amount	$ 73,109	$ 73,097

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