Share-based Compensation - Restricted Shares Rollforward (Details)	6 Months Ended
	Sep. 30, 2024 $ / shares shares
Restricted Stock [Member]
Activity Related to Restricted Shares Awarded by the Company
Number of Shares, Outstanding at beginning of period | shares	436,177
Number of Shares, Granted | shares	37,349
Number of Shares, Vested | shares	(118,920)
Number of Shares, Forfeited | shares	(8,981)
Number of Shares, Outstanding at end of period | shares	345,625
Weighted Average Grant-Date Fair Value, Outstanding at beginning of period | $ / shares	$ 65.52
Weighted Average Grant Date Fair Value, Granted | $ / shares	106.81
Weighted Average Grant Date Fair Value, Vested | $ / shares	48.02
Weighted Average Grant Date Fair Value, Forfeited | $ / shares	73.88
Weighted Average Grant-Date Fair Value, Outstanding at end of period | $ / shares	$ 75.75
Restricted Stock Units [Member]
Activity Related to Restricted Shares Awarded by the Company
Number of Shares, Outstanding at beginning of period | shares	56,547
Number of Shares, Granted | shares	0
Number of Shares, Vested | shares	0
Number of Shares, Forfeited | shares	0
Number of Shares, Outstanding at end of period | shares	56,547
Weighted Average Grant-Date Fair Value, Outstanding at beginning of period | $ / shares	$ 70.03
Weighted Average Grant Date Fair Value, Granted | $ / shares	0
Weighted Average Grant Date Fair Value, Vested | $ / shares	0
Weighted Average Grant Date Fair Value, Forfeited | $ / shares	0
Weighted Average Grant-Date Fair Value, Outstanding at end of period | $ / shares	$ 70.03