Leases - Components of Lease Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Leases [Abstract]
Operating leases expense	$ 4,752	$ 4,440
Amortization of ROU assets	17	26
Interest on lease liabilities	2	5
Total finance lease expense	19	31
Variable lease costs	463	443
Short term lease expense	140	120
Sublease income	(782)	(129)
Total lease expense	$ 4,592	$ 4,905