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Convertible Senior Notes and Term Loan - Carrying Amount (Details) - USD ($)	Mar. 31, 2026	Mar. 31, 2025	Aug. 11, 2022	Aug. 10, 2022
Debt Instrument [Line Items]
Principal	$ 323,914,000	$ 353,914,000
Unamortized debt discount and issuance costs	(2,435,000)	(3,950,000)
Net carrying amount	321,479,000	349,964,000
Current portion of long-term debt	39,218,000	11,593,000
Non-current portion of long-term debt	282,261,000	338,371,000
Loans payable \| 2024 Term Loan
Debt Instrument [Line Items]
Principal	122,000,000	225,000,000.0		$ 250,000,000.0
Unamortized debt discount and issuance costs	(351,000)			$ (20,000,000.0)
Net carrying amount	121,649,000
Current portion of long-term debt	39,218,000
Non-current portion of long-term debt	82,431,000
Loans payable \| 2022 Term Loan
Debt Instrument [Line Items]
Principal		152,000,000
Unamortized debt discount and issuance costs		(826,000)
Net carrying amount		151,174,000
Current portion of long-term debt		11,593,000
Non-current portion of long-term debt		139,581,000
Convertible debt \| 2028 Notes
Debt Instrument [Line Items]
Principal	201,914,000	201,914,000	$ 201,900,000
Unamortized debt discount and issuance costs	(2,084,000)	(3,124,000)
Net carrying amount	199,830,000	198,790,000
Current portion of long-term debt	0	0
Non-current portion of long-term debt	$ 199,830,000	$ 198,790,000