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Equity Incentive Plans - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Jan. 01, 2025 | Feb. 28, 2025 | May 31, 2017 | Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2017
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Employee stock purchase plan, description |  |  |  |  |  | The 2017 ESPP provides for a six-month offering period. At the end of the purchase period, eligible employees are permitted to purchase shares of common stock at the lower of 85% of the fair market value at the beginning or end of the offering period subject to tax limitations on the total value of the purchase. |  |  |  |
Compensation expense |  |  |  | $ 3,052 | $ 3,054 | $ 10,297 | $ 9,127 |  |  |
Restricted Stock Unit |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Number of RSUs, Granted |  |  |  |  |  | 1,852,388 |  |  |  |
Grant Date Fair Value, Granted |  |  |  |  |  | $ 16.1 |  |  |  |
Vested fair value amount |  |  |  |  |  | $ 3,680 |  |  |  |
Performance-based RSU |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Number of RSUs, Granted |  |  |  |  |  | 813,348 |  | 544,228 |  |
Grant Date Fair Value, Granted |  |  |  |  |  | $ 16.43 |  | $ 17.74 |  |
Compensation expense |  |  |  | 0 | $ 300 | $ 500 | $ 700 |  |  |
Expense related to achievement of the minimum target |  |  |  | $ 0 |  | $ 0 |  |  |  |
2017 Employee Stock Purchase Plan |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Number of shares available for future grant |  |  |  | 675,768,000 |  | 675,768,000 |  |  |  |
Percentage of payroll deductions |  |  | 15.00% |  |  |  |  |  |  |
Employee stock purchase plan offering period |  |  | 6 months |  |  |  |  |  |  |
Common stock fair market value percentage |  |  | 85.00% |  |  |  |  |  |  |
Shares of common stock reserved for issuance, automatic annual increase initiation period |  |  | --01-01 |  |  |  |  |  |  |
Percentage of number of shares of common stock outstanding |  |  |  |  |  |  |  |  | 2.00% |
Increase in common stock reserved for issuance | 150,000 |  |  |  |  |  |  |  |  |
Periodic increment of common stock reserved for future issuance |  |  |  |  |  |  |  |  | 150,000 |
2017 Equity Incentive Plan |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Shares of common stock reserved for issuance, automatic annual increase initiation period |  |  | --01-01 |  |  |  |  |  |  |
Percentage of number of shares of common stock outstanding |  |  |  |  |  |  |  | 5.00% |  | 5.00%
Shares of common stock reserved for issuance, automatic annual increase start date |  |  | Jan. 01, 2018 |  |  |  |  |  |  |
Shares of common stock reserved for issuance, automatic annual increase end date |  |  | Jan. 01, 2027 |  |  |  |  |  |  |
Increase in common stock reserved for issuance | 631,724 |  |  |  |  |  |  |  |  |
PSU-Based Performance Bonus Plan | Performance-based RSU |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Number of RSUs, Granted |  | 133,261 |  |  |  | 448,222 |  |  |  |
Grant Date Fair Value, Granted |  | $ 15.12 |  |  |  | $ 15.51 |  |  |  |
Compensation expense |  |  |  | $ 600 |  | $ 1,400 |  |  |  |
Vested fair value amount |  |  |  |  |  | $ 300 |  |  |  |
PSU-Based Performance Bonus Plan | Maximum | Performance-based RSU |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Vested fair value amount |  |  |  | $ 100 |  |  |  |  |  |

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