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Equity Incentive Plans - Narrative (Details) $ in Millions | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Jun. 30, 2018 purchase_period shares | Apr. 30, 2011 shares | Apr. 30, 2025 USD ($) shares | Apr. 30, 2024 USD ($) shares | Jan. 31, 2026
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Options exercised, intrinsic value | $ |  |  |  | $ 0.0 |
Exercise of stock options (shares) |  |  | 0 |  |
Options |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Vesting period |  |  | 4 years |  |
Term of award |  |  | ten years |  |
Options granted in period (shares) |  |  | 0 | 0 |
Restricted stock units |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Service period |  |  | 4 years |  |
Compensation cost not yet recognized | $ |  |  | $ 48.8 |  |
Recognition period for compensation cost not yet recognized |  |  | 2 years 1 month 6 days |  |
Restricted stock units | Share-Based Payment Arrangement, Tranche One |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Vesting period |  |  | 1 year |  |
Restricted stock units | Share-Based Payment Arrangement, Tranche Two |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Vesting period |  |  | 3 months |  |
2018 Equity Incentive Plan (2018 Plan) |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Common stock reserved for future issuance (shares) |  | 3,500,000 |  |  |
Percentage of outstanding shares |  | 5.00% |  |  |
2018 Equity Incentive Plan (2018 Plan) | Class B Common Stock |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Common stock reserved for future issuance (shares) |  |  | 4,518,209 |  |
Additional shares authorized (shares) |  |  | 1,972,705 |  |
Employee Stock Purchase Plan |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Duration of overlapping offering periods | 12 months |  |  |  |
Number of purchase periods in each offering period | purchase_period | 2 |  |  |  |
Duration of purchase periods | 6 months |  |  |  |
Percentage of eligible compensation (percent) | 25.00% |  |  |  |
Maximum annual contributions via payroll deductions (shares) | 300 |  |  |  |
Share purchase price as percentage of fair value of common stock (percent) | 85.00% |  |  |  |
Employee Stock Purchase Plan | ESPP |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Percentage of outstanding shares | 1.50% |  |  |  |
Compensation cost not yet recognized | $ |  |  | $ 0.2 |  |
Recognition period for compensation cost not yet recognized |  |  | 6 months |  |
Number of shares available for grant (shares) |  |  | 146,237 |  |
Employee Stock Purchase Plan | ESPP | Forecast |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Assumed increase in shares available under the plan (percent) |  |  |  |  | 1.50%
Employee Stock Purchase Plan | Class B Common Stock | ESPP |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Common stock reserved for future issuance (shares) | 1,050,000 |  | 950,705 |  |
Additional shares authorized (shares) |  |  | 591,811 |  |

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