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Convertible Senior Notes - Carrying Value of 2026 Notes (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Feb. 05, 2021
Debt Instrument [Line Items]
2026 Notes embedded conversion derivative	$ 0		$ 48,208
Convertible Debt \| Convertible Senior Unsecured Notes Due 2026
Debt Instrument [Line Items]
Principal amount	155,250		155,250
Less: unamortized discount and issuance costs, net of amortization	(27,280)		(34,332)
Carrying amount	127,970		120,918
Convertible Debt \| Convertible Senior Unsecured Notes Due 2026 \| Embedded conversion derivative
Debt Instrument [Line Items]
Less: unamortized discount and issuance costs, net of amortization	(27,300)
2026 Notes embedded conversion derivative	$ 0	$ 28,500	$ 48,208	$ 33,200