Leases - Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Leases [Abstract]
Operating lease expense	$ 13,579	$ 13,870	$ 14,220
Short-term lease expense	832	843	1,074
Variable lease expense	$ 2,872	$ 2,581	$ 2,682