Share-based Compensation - Restricted Shares Rollforward (Details) - Restricted Stock [Member]	12 Months Ended
	Mar. 31, 2017 $ / shares shares
Activity Related to Restricted Shares Awarded by the Company
Number of Shares, Outstanding at beginning of period | shares	335,773
Number of Shares, Granted | shares	428,382
Number of Shares, Vested | shares	(123,046)
Number of Shares, Forefeited | shares	(150,754)
Number of Shares, Outstanding at end of period | shares	490,355
Weighted Average Grant-Date Fair Value, Outstanding at beginning of period | $ / shares	$ 12.06
Weighted Average Grant Date Fair Value, Granted | $ / shares	10.27
Weighted Average Grant Date Fair Value, Vested | $ / shares	11.30
Weighted Average Grant Date Fair Value, Forefeited | $ / shares	11.93
Weighted Average Grant-Date Fair Value, Outstanding at end of period | $ / shares	$ 10.72