Fair Value Measurements - Financial Assets and Liabilities Measured At Fair Value Using Significant Observable Inputs (Level 2) (Details ) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Beginning balance	$ 533
Change in fair value of contingent consideration	7	$ (1,367)	$ (950)
Ending balance		$ 533
Topaz Information Systems, LLC
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Change in fair value of contingent consideration	7
Payment of Topaz contingent consideration	$ (540)