Defined Contribution Plan - Narrative (Details) - USD ($)	12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018
Retirement Benefits [Abstract]
Maximum contribution	90.00%
Employer match	50.00%
Employer match (up to you)	6.00%
Expense for matching contributions	$ 200,000	$ 0	$ 0