v3.26.3
Stockholders' Equity - 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]        
Stock-based compensation expense $ 16,206 $ 11,082 $ 44,263 $ 34,625
Research and development 161,744 97,219 414,918 302,902
General and administrative 35,330 16,673 89,093 49,153
Location, Statement of Income, Balance [Axis]: us-gaap:GeneralAndAdministrativeExpense        
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]        
Stock-based compensation expense 8,174 4,824 21,545 14,530
Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense        
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]        
Stock-based compensation expense $ 8,032 $ 6,258 $ 22,718 $ 20,095