Share-based Compensation (Details 2) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Jun. 30, 2019	Jun. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted Average Exercise Price, Cancelled/Expired	$ 9.60
Stock Settled Stock Appreciation Rights [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition	2 years 10 months
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	1,016,643
Number of Rights Granted,	91,364
Number of Rights Exercised	(23,545)
Number of Rights, Forfeited	(2,380)
Number of Rights Cancelled/Expired	(3,839)
Number of Rights Outstanding at End of Period	1,078,243.000
Weighted Average Exercise Price Outstanding at Beginning of Period	$ 11.22
Weighted Average Exercise Price Granted,	22.41
Weighted Average Exercise Price Exercised	8.47
Weighted Average Exercise Price, Forfeited	14.22
Weighted Average Exercise Price Outstanding at End of Period	$ 11.22	$ 12.23
Remaining Contractual Term Outstanding at End of Period	4 years 9 months
Aggregate Intrinsic Value Outstanding at End of Period	$ 10,048
Number of Rights Exercisable at End of Period	733,066
Weighted Average Exercise Price Exercisable at End of Period	$ 11,000,000
Remaining Contractual Term Exercisable at End of Period	4 years 5 months
Aggregate Intrinsic Value Exercisable at End of Period	$ 7,672