Debt - Convertible Senior Notes (Details) - Convertible senior notes, due 2026 - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Debt
Interest rate (stated)	0.75%		0.75%
Interest expense	$ 1.4	$ 0.2	$ 4.1	$ 0.2

Amount of the cost of borrowed funds accounted for as interest expense for debt.

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Name:	us-gaap_InterestExpenseDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration