Share-based Compensation (Details 2) - Stock Settled Stock Appreciation Rights (SSARS) [Member] $ / shares in Units, $ in Thousands	3 Months Ended
	Jun. 30, 2021 USD ($) $ / shares shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Rights, Outstanding at Beginning of Period | shares	3,068,253
Number of Rights, Exercised | shares	(714,712)
Number of Rights, Forfeited | shares	(15,818)
Number of Rights, Expired | shares	(162)
Number of Rights, Outstanding at End of Period | shares	2,337,561
Number of Rights, Exercisable at End of Period | shares	1,255,211
Number of Rights, Vested and expected to vest at June 30, 2020 | shares	2,337,561
Weighted Average Exercise Price, Outstanding at Beginning of Period | $ / shares	$ 20.90
Weighted Average Exercise Price, Exercised | $ / shares	11.78
Weighted Average Exercise Price, Forfeited | $ / shares	20.02
Weighted Average Exercise Price, Expired | $ / shares	14.22
Weighted Average Exercise Price, Outstanding at End of Period | $ / shares	23.69
Weighted Average Exercise Price, Exercisable at End of Period | $ / shares	21.99
Weighted Average Exercise Price, Exercisable at End of Period | $ / shares	$ 23.69
Remaining Contractual Term, Outstanding at End of Period	5 years 4 months 24 days
Remaining Contractual Term, Exercisable at End of Period	5 years 2 months 12 days
Share Based Compensation Arrangement By Share Based Payment Award Vested And Expected To Vest Outstanding Remaining Contractual Term	5 years 4 months 24 days
Aggregate Intrinsic Value, Outstanding at End of Period | $	$ 77,558
Aggregate Intrinsic Value, Exercisable at End of Period | $	43,788
Aggregate Intrinsic Value, Exercisable at End of Period, Vested and expected | $	$ 77,558