Restructuring - Schedule of Amounts Incurred and Accrued Related to One-time Termination Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Restructuring Reserve [Roll Forward]
Accrued restructuring costs included in accrued expenses and other current liabilities as of March 31, 2023	$ 0
Restructuring charges incurred during the period	8,368	$ 0	$ 0
Amounts paid during the period	(8,346)
Accrued restructuring costs included in accrued expenses and other current liabilities as of March 31, 2024	$ 22	$ 0