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Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Parenthetical) (Detail) - shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Options and Stock Appreciation Rights (SARs) [Member]      
Earnings Per Share Basic [Line Items]      
Options/SARs to purchase shares of common stock were excluded from the computations of diluted earnings per share 103,182 127,434 107,125