Loss Per Share - Common Stock Equivalents Excluded in Calculation of Diluted Loss Per Share (Detail) - shares |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2022 |
Sep. 30, 2021 |
Sep. 30, 2022 |
Sep. 30, 2021 |
|
| Stock options [Member] | ||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
| Number of anti-dilutive securities excluded from computation of earnings per share | 4,926,117 | 5,952,252 | 4,926,117 | 5,952,252 |
| RSUs [Member] | ||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
| Number of anti-dilutive securities excluded from computation of earnings per share | 1,398,204 | 1,601,273 | 1,398,204 | 1,601,273 |
| Total Shareholder Return Restricted Stock Units [Member] | ||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
| Number of anti-dilutive securities excluded from computation of earnings per share | 97,507 | 68,598 | 97,507 | 68,598 |