Share-based Compensation (Details 2) - Stock Settled Stock Appreciation Rights (SSARS) [Member] $ / shares in Units, $ in Thousands	3 Months Ended
	Jun. 30, 2020 USD ($) $ / shares shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Rights Outstanding at Beginning of Period | shares	1,644,888
Number of Rights Exercised | shares	(56,226)
Number of Rights, Forfeited | shares	(11,276)
Number of Rights Expired | shares	(88)
Number of Rights Outstanding at End of Period | shares	1,577,298
Number of Rights Exercisable at End of Period | shares	942,608
Number of Rights Vested and expected to vest at June 30, 2020 | shares	1,577,298
Weighted Average Exercise Price Outstanding at Beginning of Period | $ / shares	$ 21.07
Weighted Average Exercise Price, Exercised | $ / shares	11.16
Weighted Average Exercise Price, Forfeited | $ / shares	18.71
Weighted Average Exercise Price, Expired | $ / shares	14.22
Weighted Average Exercise Price Outstanding at End of Period | $ / shares	21.44
Weighted Average Exercise Price, Exercisable at End of Period | $ / shares	12.87
Weighted Average Exercise Price, Exercisable at End of Period | $ / shares	$ 21.44
Remaining Contractual Term Outstanding at End of Period	4 years 8 months 12 days
Remaining Contractual Term Exercisable at End of Period	3 years 10 months 24 days
Share Based Compensation Arrangement By Share Based Payment Award Vested And Expected To Vest Outstanding Remaining Contractual Term	4 years 8 months 12 days
Aggregate Intrinsic Value Outstanding at End of Period | $	$ 6,028
Aggregate Intrinsic Value Exercisable at End of Period | $	5,887
Aggregate Intrinsic Value Exercisable at End of Period, Vested and expacted | $	$ 6,028