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Net Income (Loss) Per Common Share - Additional Information (Detail) - $ / shares | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Earnings Per Share [Abstract] |  |  |  |
Antidilutive securities excluded from computation of earnings per share, minimum price range (in dollars per share) | $ 7.93 | $ 7.93 | $ 7.93 | $ 7.93
Anti dilutive securities excluded from computation of earnings per share, maximum price range (in dollars per share) | $ 25.16 | $ 25.16 | $ 25.16 | $ 25.16

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- Definition Antidilutive securities excluded from computation of earnings per share minimum price range. + References No definition available. + Details
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