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Equity Capital and Earnings Per Share - Summary of Basic and Diluted Earnings Per Common Share (Detail) - $ / shares
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Earnings per share [abstract]    
Basic earnings per common share $ 3.68 $ 3.55
Diluted earnings per common share $ 3.68 $ 3.54