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Goodwill and Other Intangible Assets - Changes in Carrying Amount of Goodwill (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Impairment Effects on Earnings Per Share [Line Items]    
Balance, beginning of period $ 765,822 $ 663,707
Additions due to acquisitions 0 102,115
Balance, end of period $ 765,822 $ 765,822