Stock-Based Compensation - Components of Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||
| Stock-based compensation expense | $ 68,336 | $ 85,414 |
| Cost of revenue | ||
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||
| Stock-based compensation expense | 145 | 217 |
| Research and development | ||
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||
| Stock-based compensation expense | 42,410 | 52,610 |
| Sales and marketing | ||
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||
| Stock-based compensation expense | 5,823 | 10,138 |
| General and administrative | ||
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||
| Stock-based compensation expense | $ 19,958 | $ 22,449 |