Employee Benefits - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Shares held by the rabbi trust	70,100	69,672
Cash incentive awards	$ 12.4	$ 38.8	$ 32.6
Shares purchased by custodians	1,066	1,420	2,158
Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Payroll deduction for ESPP, percent of annual wages	10.00%
Highly Compensated Employees [Member] | Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Payroll deduction for ESPP, percent of annual wages	20.00%
401(k)Saving Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Company match of contribution	50.00%
Employees contribution share	6.00%
Contribution in operation	$ 19.0	$ 15.2	$ 14.0