Share-based Compensation (Details 2) - Stock Settled Stock Appreciation Rights (SSARS) [Member] $ / shares in Units, $ in Thousands	6 Months Ended
	Sep. 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	(791,549)
Number of Rights, Forfeited | shares	(44,736)
Number of Rights, Expired | shares	(246)
Number of Rights, Outstanding at End of Period | shares	2,231,722
Number of Rights, Exercisable at End of Period | shares	1,234,892
Number of Rights, Vested and expected to vest at June 30, 2020 | shares	2,231,722
Weighted Average Exercise Price, Outstanding at Beginning of Period | $ / shares	$ 20.90
Weighted Average Exercise Price, Exercised | $ / shares	12.47
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	23.90
Weighted Average Exercise Price, Exercisable at End of Period | $ / shares	22.85
Weighted Average Exercise Price, Exercisable at End of Period | $ / shares	$ 23.90
Remaining Contractual Term, Outstanding at End of Period	5 years 2 months 12 days
Remaining Contractual Term, Exercisable at End of Period	4 years 10 months 24 days
Share Based Compensation Arrangement By Share Based Payment Award Vested And Expected To Vest Outstanding Remaining Contractual Term	5 years 2 months 12 days
Aggregate Intrinsic Value, Outstanding at End of Period | $	$ 63,509
Aggregate Intrinsic Value, Exercisable at End of Period | $	36,448
Aggregate Intrinsic Value, Exercisable at End of Period, Vested and expected | $	$ 63,509