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Net Income Per Common Share - Additional Information (Detail) - shares
shares in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Employee Stock Option [Member]    
Net Income Loss Per Common Share    
Exercise of stock options 0.1  
Restricted Stock Units (RSUs) [Member]    
Net Income Loss Per Common Share    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount   0.1