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Common Stock, Compensation Plans and Other - Summary of Stock Option Transactions under Plan (Detail) - $ / shares
shares in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Shares      
Outstanding, beginning of year (in shares) 2,971 3,015 3,254
Granted (in shares) 25 183 15
Forfeited/Expired (in shares) (10) (96) (57)
Exercised (in shares) (210) (131) (197)
Outstanding, end of year (in shares) 2,776 2,971 3,015
Exercisable, end of year (in shares) 1,940 1,837 1,543
Weighted- average Exercisable Price      
Outstanding, beginning of year (in dollars per share) $ 20.45 $ 20.06 $ 19.77
Granted (in dollars per share) 22.63 21.13 21.68
Forfeited/Expired (in dollars per share) 23.38 21.89 22.44
Exercised (in dollars per share) 14.01 11.30 14.78
Outstanding, end of year (in dollars per share) 20.95 20.45 20.06
Exercisable, end of year (in dollars per share) $ 20.05 $ 18.89 $ 17.46