Defined Contribution Plan (Details) - USD ($)	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2019
Retirement Benefits [Abstract]
Maximum percentage of gross pay contribution by employee	90.00%
Company match	50.00%
Maximum percentage of gross pay contribution by company	6.00%
Expense for matching contribution	$ 1,600,000	$ 200,000	$ 0