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Stock-Based Compensation - 2020 Employee Stock Purchase Plan - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2020
Stock-Based Compensation |  |  |  |  |
Percent of common stock at fair market value to be exercised |  |  | 100.00% |  |
Stock-based compensation expense | $ 4,250 | $ 5,626 | $ 13,320 | $ 16,259 |
ESPP 2020 Plan |  |  |  |  |
Stock-Based Compensation |  |  |  |  |
Percentage of eligible earnings withheld |  |  |  |  | 15.00%
Percent of common stock at fair market value to be exercised |  |  |  |  | 85.00%
Common stock reserved shares for issuance |  |  |  |  | 430,416
Period of increase in common stock reserved for issuance |  |  |  |  | 10 years
Common stock outstanding percentage |  |  |  |  | 1.00%
Shares of common stock |  |  |  |  | 860,832
Stock-based compensation expense | $ 100 | $ 100 | $ 500 | $ 400 |
ESPP 2020 Plan | Maximum |  |  |  |  |
Stock-Based Compensation |  |  |  |  |
Offering period |  |  |  |  | 27 months

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