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Fair Value Measurements - Summary of Financial Instruments Carried at Fair Value on Recurring Basis (Details) - Fair Value, Recurring - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
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Success Fee Liability |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Liabilities |  | $ 365
Cash Equivalents |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Assets | $ 17,861 | 8,240
Marketable Securities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Assets | 497,299 | 179,408
Level 1 | Cash Equivalents |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Assets | 17,861 | 8,240
Level 2 | Marketable Securities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Assets | $ 497,299 | 179,408
Level 3 | Success Fee Liability |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Liabilities |  | $ 365

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