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Basis of Presentation and Summary of Significant Accounting Policies - Accounting for Share-Based Compensation (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Basis of Presentation |  |  |  |
Share-based compensation expense | $ 15,171 | $ 6,884 | $ 33,565 | $ 20,022
SBC - Research and development expenses |  |  |  |
Basis of Presentation |  |  |  |
Share-based compensation expense | 982 | 1,639 | 2,588 | 5,362
SBC - General and administrative expenses |  |  |  |
Basis of Presentation |  |  |  |
Share-based compensation expense | $ 14,189 | $ 5,245 | $ 30,977 | $ 14,660

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