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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, 2023
Dec. 31, 2022
Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Risk-free rate 4.00% 2.20% 1.30%
Expected dividend yield 0.61% 0.44% 0.27%
Expected volatility 39.00% 37.00% 39.00%
Expected term (in years) 5 years 5 years 6 months 6 years