Share-based Payments - Stock Options Activity (Details) - Stock Options [Member]	9 Months Ended
	Dec. 31, 2019 USD ($) $ / shares shares	Dec. 31, 2018 $ / 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	1.76%	2.83%
Weighted average expected holding period	5 years 8 months 12 days	5 years 11 months 8 days
Weighted average expected volatility	42.50%	43.91%
Weighted average expected dividend yield	0.00%	0.00%
Weighted average fair value of options granted (in dollars per share)	$ 8.27	$ 8.75
Number of Shares [Roll Forward]
Outstanding at beginning of period (in shares) | shares	1,337,165
Granted (in shares) | shares	302,539	256,236
Exercised (in shares) | shares	(56,400)
Forfeited (in shares) | shares	(37,298)
Outstanding at end of period (in shares) | shares	1,546,006
Weighted Average Exercise Price [Roll Forward]
Outstanding at beginning of period (in dollars per share)	$ 17.58
Granted (in dollars per share)	19.72
Exercised (in dollars per share)	7.71
Forfeited (in dollars per share)	25.80
Outstanding at end of period (in dollars per share)	$ 18.16
Number of stock options unvested (in shares) | shares	521,685
Weighted average exercise price of stock options unvested (in dollars per share)	$ 20.34
Total unrecognized compensation expense | $	$ 3,473,000
Weighted average vesting period over which compensation expense is expected to be recognized	2 years