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Earnings Per Share - Components of Earnings Per Share (Detail) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Earnings Per Share [Abstract]      
Net income available to common shareholders $ 166,429 $ 235,448 $ 218,402
Net income available to common shareholders $ 166,429 $ 235,448 $ 218,402
Weighted-average number of common shares outstanding – basic (shares) 31,509,179 31,435,647 32,632,751
Share-based compensation plans (shares) 1,209,955 723,141 914,955
Weighted-average number of common shares – diluted (shares) 32,719,134 32,158,788 33,547,706
Basic earnings (loss) per share (usd per share) $ 5.28 $ 7.49 $ 6.69
Diluted earnings (loss) per share (usd per share) $ 5.09 $ 7.32 $ 6.51