Inventory - Narrative (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Mar. 31, 2021	[1]	Mar. 31, 2020	Mar. 31, 2019
Inventory [Line Items]
Retained earnings	$ 407,522	$ 350,670		$ 318,703
Cumulative Effect, Period of Adoption, Adjustment
Inventory [Line Items]
Retained earnings					$ 3,800

[1] *Year ended March 31, 2021 amounts have been adjusted to reflect the change in inventory accounting method, as described in Notes 1 and 7 to the Consolidated Financial Statements.