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Share Based Awards - Summary of Stock Options By Grant Date (Details) - $ / shares	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Exercise Price Granted (in USD per share)			$ 16.40
2015 Plan \| Employee Stock Options
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares granted	0	0	326,130
2015 Plan \| Employee Stock Options \| May 30, 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares granted			241,130
Exercise Price Granted (in USD per share)			$ 16.83
Vesting period			4 years
Expiration			Jun. 01, 2026
2015 Plan \| Employee Stock Options \| August 3, 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares granted			60,000
Exercise Price Granted (in USD per share)			$ 21.27
Vesting period			4 years
Expiration			Aug. 03, 2026
2015 Plan \| Employee Stock Options \| November 2, 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares granted			25,000
Exercise Price Granted (in USD per share)			$ 15.09
Vesting period			4 years
Expiration			Nov. 02, 2026