Lease - The components of lease costs and other information related to leases (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Leases [Abstract]
Operating Lease, Cost	$ 13,650	$ 13,640	$ 13,614
Variable lease cost	5,422	6,425	5,809
Lease, Cost, Total	19,072	20,065	19,423
Cash paid for amounts included in the measurement of operating lease liabilities, net	(14,941)	(13,490)	(10,334)
ROU assets obtained in exchange for new operating lease obligations	$ 7,930		$ 12,803
Weighted average remaining lease term (years)	7 years 6 months	8 years 4 months 24 days	9 years 2 months 12 days
Weighted average discount rate	8.00%	7.00%	7.00%