Share-based Compensation - Restricted Shares Rollforward (Details)	6 Months Ended
	Sep. 30, 2025 $ / shares shares
Restricted Stock [Member]
Activity Related to Restricted Shares Awarded by the Company
Number of Shares, Outstanding at beginning of period | shares	229,710
Number of Shares, Granted | shares	4,970
Number of Shares, Vested | shares	(75,292)
Number of Shares, Forfeited | shares	(2,607)
Vested and Expected to Vest at End of Period | shares	156,781
Weighted Average Grant-Date Fair Value, Outstanding at beginning of period | $ / shares	$ 76.01
Weighted Average Grant Date Fair Value, Granted | $ / shares	100.19
Weighted Average Grant Date Fair Value, Vested | $ / shares	51.38
Weighted Average Grant Date Fair Value, Forfeited | $ / shares	92.05
Weighted Average Grant-Date Fair Value, Vested and Expected to Vest at End of Period | $ / shares	$ 88.35
Restricted Stock Units [Member]
Activity Related to Restricted Shares Awarded by the Company
Number of Shares, Outstanding at beginning of period | shares	181,195
Number of Shares, Granted | shares	8,400
Number of Shares, Vested | shares	0
Number of Shares, Forfeited | shares	(2,894)
Vested and Expected to Vest at End of Period | shares	186,701
Weighted Average Grant-Date Fair Value, Outstanding at beginning of period | $ / shares	$ 118.9
Weighted Average Grant Date Fair Value, Granted | $ / shares	103.18
Weighted Average Grant Date Fair Value, Vested | $ / shares	0
Weighted Average Grant Date Fair Value, Forfeited | $ / shares	137.48
Weighted Average Grant-Date Fair Value, Vested and Expected to Vest at End of Period | $ / shares	$ 117.91