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Stock-Based Compensation (Detail) - (Table 1) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Dec. 31, 2021
May 24, 2019
Share-Based Payment Arrangement [Abstract]              
Common stock authorized             11,000,000
Stock-based awards, including restricted stock and stock options granted, net of expired or cancelled     (6,341,000)        
Share Based Compensation Arrangement By Share Based Payment Award Options Vested In Period 57,000 58,000 206,000 436,000      
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable During Period Weighted Average Exercise Price (in Dollars per share) $ 30.72 $ 35.89 $ 34.95 $ 32.29      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 2,142,000 2,964,000 2,142,000 2,964,000 2,111,000 2,849,000  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share Based Compensation Arrangement By Share-Based Payment Award Equity Options Nonvested Number 250,000   250,000        
Common stock available for grant of stock-based awards as of June 30, 2012 4,659,000   4,659,000        
Restricted Stock [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Allocated Share-based Compensation Expense $ 5,351 $ 5,372 $ 16,150 $ 15,643      
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized 38,806   38,806        
Employee Stock Option [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Allocated Share-based Compensation Expense 579 $ 776 2,019 $ 2,655      
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized $ 1,888   $ 1,888