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Stockholders' Equity - Stock-based Compensation (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Stock-based Compensation Expense |  |  |  |
Total stock-based compensation expense | $ 33,339 | $ 39,556 | $ 114,443 | $ 127,872
Stock Option |  |  |  |
Stock-based Compensation Expense |  |  |  |
Unrecognized stock-based compensation expense | 171 |  | $ 171 |
Weighted-average amortization period |  |  | 4 months 24 days |
RSU (excluding PRSUs) |  |  |  |
Stock-based Compensation Expense |  |  |  |
Unrecognized stock-based compensation expense | 247,832 |  | $ 247,832 |
Weighted-average amortization period |  |  | 2 years 6 months |
PRSU |  |  |  |
Stock-based Compensation Expense |  |  |  |
Unrecognized stock-based compensation expense | 13,549 |  | $ 13,549 |
Weighted-average amortization period |  |  | 1 year 4 months 24 days |
ESPP |  |  |  |
Stock-based Compensation Expense |  |  |  |
Unrecognized stock-based compensation expense | 459 |  | $ 459 |
Weighted-average amortization period |  |  | 1 month 6 days |
Cost of revenue |  |  |  |
Stock-based Compensation Expense |  |  |  |
Total stock-based compensation expense | 6,852 | 7,512 | $ 21,332 | 22,904
Research and development |  |  |  |
Stock-based Compensation Expense |  |  |  |
Total stock-based compensation expense | 6,896 | 8,244 | 24,415 | 29,001
Sales and marketing |  |  |  |
Stock-based Compensation Expense |  |  |  |
Total stock-based compensation expense | 8,401 | 12,490 | 33,330 | 40,334
General and administrative |  |  |  |
Stock-based Compensation Expense |  |  |  |
Total stock-based compensation expense | $ 11,190 | $ 11,310 | $ 35,366 | $ 35,633

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