Face (par) amount of debt instrument at time of issuance.

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Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Debt - Changes to the Notes (Details) - USD ($)	Dec. 31, 2021	Mar. 09, 2021	Dec. 31, 2020
Debt Instrument
Less: unamortized debt discount and debt issuance costs related to term loans	$ (6,489,000)
Carrying value as of December 31, 2021	592,765,000		$ 0
Convertible Senior Notes Due 2026 \| Senior Notes
Debt Instrument
Debt instrument face amount	600,000,000	$ 600,000,000
Less: unamortized debt discount and debt issuance costs related to term loans	(7,235,000)
Carrying value as of December 31, 2021	$ 592,765,000