Leases - Components of Lease Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Leases [Abstract]
Operating leases expense	$ 5,842	$ 5,301
Amortization of ROU assets	2	3
Interest on lease liabilities	0	1
Total finance lease expense	2	4
Variable lease costs	470	700
Short term lease expense	258	300
Sublease income	(654)	(789)
Total lease expense	$ 5,918	$ 5,516