Share-based Compensation (Details 2) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended
	Sep. 30, 2017	Sep. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted Average Exercise Price, Cancelled/Expired	$ 9.32
Stock Settled Stock Appreciation Rights (SSARS) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Rights Outstanding at Beginning of Period	1,094,978
Number of Rights Granted,	159,376
Number of Rights Exercised	(25,001)
Number of Rights, Forfeited	(55,530)
Number of Rights Cancelled/Expired	(40,766)
Number of Rights Outstanding at End of Period	1,094,978	1,133,057.000
Weighted Average Exercise Price Outstanding at Beginning of Period	$ 10.44
Weighted Average Exercise Price Granted,	10.17
Weighted Average Exercise Price Exercised	8.64
Weighted Average Exercise Price, Forfeited	9.98
Weighted Average Exercise Price Outstanding at End of Period	$ 10.44	$ 10.51
Remaining Contractual Term Outstanding at End of Period	5 years 7 months 6 days
Aggregate Intrinsic Value Outstanding at End of Period	$ 1,741
Number of Rights Exercisable at End of Period	275,667
Weighted Average Exercise Price Exercisable at End of Period	$ 10,260,000
Remaining Contractual Term Exercisable at End of Period	3 years 6 months
Aggregate Intrinsic Value Exercisable at End of Period	$ 573