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Employee Benefit Plans (Shares Issued in Connection with Stock Compensation Awards) (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Retirement Benefits [Abstract]      
New shares issued from available authorized shares 49,887 118,389 0
Shares issued from available treasury stock 217,470 281,421 987,758
Total 267,357 399,810 987,758
Proceeds from stock option exercises $ 9,299 $ 16,659 $ 54,417
Intrinsic value of stock options exercised 3,614 19,616 43,904
Fair value of restricted/director deferred stock units vested $ 13,445 $ 19,308 $ 15,751