Leases - Components of Lease Costs and Other Information Related to Leases (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Leases [Abstract]
Operating lease cost	$ 13,487	$ 13,650	$ 13,640
Variable lease cost	4,403	5,422	6,425
Total lease cost	17,890	19,072	20,065
Cash paid for amounts included in the measurement of operating lease liabilities, net	(15,011)	(14,941)	(13,490)
ROU assets obtained in exchange for new operating lease obligations	$ 0	$ 7,930	$ 0
Weighted average remaining lease term (years)	6 years 7 months 6 days	7 years 6 months	8 years 4 months 24 days
Weighted average discount rate	8.00%	8.00%	7.00%