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Share-Based Compensation - Additional Information (Detail)
$ in Millions
12 Months Ended
Dec. 31, 2024
USD ($)
Plan
shares
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options granted 0    
Stock Options [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Maximum contractual life 10 years    
Unrecognized share-based payment expense | $ $ 2.0    
Weighted average period expected to be recognized 3 months 18 days    
Stock Options [Member] | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 3 years    
Requisite service period for stock award 1 year    
Stock Options [Member] | Maximum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 4 years    
Requisite service period for stock award 4 years    
RSUs [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Weighted average period expected to be recognized 1 year 8 months 12 days    
Estimated outstanding RSU 1,502,966    
Unrecognized share-based payment expense related to nonvested stock options | $ $ 75.2    
Fair value of RSUs vesting during the year | $ $ 51.2 $ 26.9 $ 20.3
RSUs [Member] | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Requisite service period for stock award 1 year    
RSUs [Member] | Maximum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 4 years    
Requisite service period for stock award 4 years    
2009 Plan and the Stock Plan for Non-Employee Directors [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of equity compensation plans | Plan 2    
Number of common stock registered for award 49,900,000    
Options granted 0    
Shares available for future grants 7,000,000