Stock-based Compensation - Summary of Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] | ||||
| Share-based payment arrangement, expense | $ 54,665 | $ 32,870 | $ 150,681 | $ 86,447 |
| Income Statement Location: us-gaap:ResearchAndDevelopmentExpense | ||||
| Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] | ||||
| Share-based payment arrangement, expense | 39,529 | 25,394 | 107,439 | 68,724 |
| Income Statement Location: us-gaap:SellingGeneralAndAdministrativeExpense | ||||
| Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] | ||||
| Share-based payment arrangement, expense | $ 15,136 | $ 7,476 | $ 43,242 | $ 17,723 |