Share-Based Employee Compensation - Summary of Activity for Restricted Stock Units and Nonvested Restricted Stock (Detail) - Restricted Stock Units and Restricted Stock [Member]	3 Months Ended
	Jun. 30, 2024 $ / shares shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Shares, Restricted Stock Units and Nonvested Restricted Stock at March 31, 2024 | shares	204,946
Number of Shares, Granted | shares	59,663
Number of Shares, Vested | shares	(14,923)
Number of Shares, Forfeited | shares	0
Number of Shares, Restricted Stock Units and Nonvested Restricted Stock at June 30, 2024 | shares	249,686
Weighted Average Grant Date Fair Value, Restricted Stock at March 31, 2024 | $ / shares	$ 121.12
Weighted Average Grant Date Fair Value, Granted | $ / shares	238.1
Weighted Average Grant Date Fair Value, Vested | $ / shares	178.58
Weighted Average Grant Date Fair Value, Forfeited | $ / shares	0
Weighted Average Grant Date Fair Value, Restricted Stock at June 30, 2024 | $ / shares	$ 150.61