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Convertible Senior Notes and Term Loan - Schedule of Interest Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Debt Instrument [Line Items]
Contractual interest expense	$ 26,390	$ 35,352	$ 23,020
Amortization	2,466	4,472	4,254
Total	28,856	39,824	27,274
Term Loan
Debt Instrument [Line Items]
Total	9,190	0	0
Term Loan | Loans payable
Debt Instrument [Line Items]
Contractual interest expense	8,828	0	0
Amortization	362	0	0
2022 Term Loan
Debt Instrument [Line Items]
Total	10,576	30,157	19,828
2022 Term Loan | Loans payable
Debt Instrument [Line Items]
Contractual interest expense	9,466	27,022	17,816
Amortization	1,110	3,135	2,012
2028 Notes
Debt Instrument [Line Items]
Total	9,090	9,039	4,575
2028 Notes | Convertible debt
Debt Instrument [Line Items]
Contractual interest expense	8,096	8,065	4,027
Amortization	994	974	548
2024 Notes
Debt Instrument [Line Items]
Total	0	628	2,871
2024 Notes | Convertible debt
Debt Instrument [Line Items]
Contractual interest expense	0	265	1,177
Amortization	$ 0	$ 363	$ 1,694

X

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Amount of amortization expense attributable to debt discount (premium) and debt issuance costs.

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