Leases - Components of Lease Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Leases [Abstract]
Operating leases expense	$ 5,301	$ 4,752
Amortization of ROU assets	3	17
Interest on lease liabilities	1	2
Total finance lease expense	4	19
Variable lease costs	700	463
Short term lease expense	300	140
Sublease income	(789)	(782)
Total lease expense	$ 5,516	$ 4,592