Stock-Based Compensation Expense - Weighted-Average Assumptions Used in Estimating Fair Values of Stock Options Granted (Detail) - Employee Stock Option [Member]	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free rate	4.30%	4.00%	2.20%
Expected dividend yield	0.76%	0.61%	0.44%
Expected volatility	39.00%	39.00%	37.00%
Expected term (in years)	4 years 8 months 12 days	5 years	5 years 6 months