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
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