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Net Income per Share - Computation of Basic and Diluted Net Income Per Share (Parenthetical) (Detail) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Earnings Per Share [Abstract]        
Options to purchase shares of Common Stock not included in the computation of diluted income per share 1,037,640 76,114 772,240 134,822