Restructuring - Summary of Restructuring Charges Recorded in Selling, General and Administrative Expenses (Details) - Selling, General and Administrative Expenses [Member] - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Restructuring Cost And Reserve [Line Items]
Severance for Involuntary Employee Terminations	$ 2,808	$ 2,727
Total Restructuring Expense	$ 2,808	$ 2,727