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Fair Value Measurements - Schedule of Valuation of Development and Regulatory Milestones and Priority Review Voucher Milestone (Details) $ in Thousands | Jun. 30, 2024 USD ($) | Dec. 31, 2023 USD ($) | Jun. 30, 2023 USD ($) | Dec. 31, 2022 USD ($)
--- | --- | --- | --- | ---
Level 3 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Contingent consideration | $ 169,700 | $ 84,600 | $ 61,700 | $ 58,100
Probabilities of success |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Values | 0.42 |  |  |
Development and regulatory milestones |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Contingent consideration | $ 161,800 |  |  |
Priority review voucher milestone |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Contingent consideration | $ 5,200 |  |  |
Priority review voucher milestone | Probabilities of success | Level 3 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Values | 0.164 |  |  |
Priority review voucher milestone | Discount rate | Level 3 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Values | 0.164 |  |  |
Minimum | Development and regulatory milestones | Probabilities of success | Level 3 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Values | 0.14 |  |  |
Maximum | Development and regulatory milestones | Probabilities of success | Level 3 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Values | 0.97 |  |  |

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