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Stock-Based Compensation (Detail) - (Table 6) - $ / shares
 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]    
Non-vested at January 1 2,111,000 2,849,000
Non-vested at January 1 (in Dollars per share) $ 28.45 $ 23.80
Non-vested at March 31 2,142,000 2,964,000
Non-vested at March 31 (in Dollars per share) $ 28.22 $ 25.26
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value $ 37.82 $ 35.61
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition 3 years 1 month 6 days