Net Loss Per Share Attributable to Common Stockholders - Summary of Potentially Dilutive Securities Excluded from Computation of Diluted Weighted Average Shares Outstanding (Detail) - shares |
9 Months Ended | |
|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] | ||
| Diluted weighted average shares outstanding | 14,673,392 | 14,527,252 |
| Common Stock Options Issued and Outstanding [Member] | ||
| Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] | ||
| Diluted weighted average shares outstanding | 5,439,367 | 7,255,136 |
| Unvested Full Value Awards [Member] | ||
| Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] | ||
| Diluted weighted average shares outstanding | 7,406,525 | 5,906,625 |
| Contingently Issuable PSU Shares [Member] | ||
| Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] | ||
| Diluted weighted average shares outstanding | 1,827,500 | 1,365,491 |