Share-based Payments - Stock Options Activity (Details) - Stock Options [Member]	9 Months Ended
	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2019 $ / shares shares
Black-Scholes option pricing model assumptions used to derive weighted average fair value of stock options granted [Abstract]
Weighted average risk free interest rate	0.44%	1.76%
Weighted average expected holding period	5 years 11 months 15 days	5 years 8 months 12 days
Weighted average expected volatility	44.90%	42.50%
Weighted average expected dividend yield	0.00%	0.00%
Weighted average fair value of options granted (in dollars per share)	$ 6.43	$ 8.27
Number of Shares [Roll Forward]
Outstanding at beginning of period (in shares) | shares	1,536,123
Granted (in shares) | shares	345,423	302,539
Exercised (in shares) | shares	(14,794)
Forfeited (in shares) | shares	(43,881)
Outstanding at end of period (in shares) | shares	1,822,871
Weighted Average Exercise Price [Roll Forward]
Outstanding at beginning of period (in dollars per share)	$ 18.18
Granted (in dollars per share)	15.16
Exercised (in dollars per share)	13.84
Forfeited (in dollars per share)	22.57
Outstanding at end of period (in dollars per share)	$ 17.53
Number of stock options unvested (in shares) | shares	606,910
Weighted average exercise price of stock options unvested (in dollars per share)	$ 17.11
Total unrecognized compensation expense | $	$ 3,293,000
Weighted average vesting period over which compensation expense is expected to be recognized	1 year 10 months 24 days