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Stock-Based Compensation - Additional Information (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Aug. 31, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |
Stock options outstanding to purchase common stock |  | 4,597,701 |  | 4,597,701 |  | 3,502,440
Total unrecognized compensation cost |  | $ 22.3 |  | $ 22.3 |  |
Unrecognized compensation cost expected to be recognized |  |  |  | 2 years 9 months 18 days |  |
2019 Plan |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |
Fair market value price of common stock in percent |  |  |  | 100.00% |  |
Stock options outstanding to purchase common stock |  | 2,675,959 |  | 2,675,959 |  |
Shares initially reserved for issuance |  | 8,214,502 |  | 8,214,502 |  | 6,395,129
Vesting period |  |  |  | 4 years |  |
2024 Stock Option and Incentive Plan |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |
Shares remaining available for grant |  | 2,993,150 |  | 2,993,150 |  |
Stock options outstanding to purchase common stock |  | 1,921,742 |  | 1,921,742 |  |
Shares initially reserved for issuance | 3,065,000 |  |  |  |  |
Increase in number of shares reserved for issuance, percent of common stock outstanding | 5.00% |  |  |  |  |
2024 Employee Stock Purchase Plan |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |
Shares remaining available for grant |  | 623,651 |  | 623,651 |  |
Shares initially reserved for issuance | 289,436 |  |  |  |  |
Increase in common stock capital shares reserved for future issuance | 578,872 |  |  |  |  |
Increase in number of shares reserved for issuance, percent of common stock outstanding | 1.00% |  |  |  |  |
Shares issued |  | 0 | 0 | 0 | 0 |

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