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Fair Value Measurements - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Cash equivalents: |  |
Total cash equivalents | $ 378,107 | $ 359,791
Marketable securities: |  |
Total marketable securities | 386,046 |
Treasury Bills |  |
Cash equivalents: |  |
Total cash equivalents | 31,366 | 20,714
Marketable securities: |  |
Total marketable securities | 7,939 |
Agency Discount Notes |  |
Cash equivalents: |  |
Total cash equivalents | 14,969 | 44,205
Recurring |  |
Cash equivalents: |  |
Total cash equivalents | 378,107 | 359,791
Marketable securities: |  |
Total marketable securities | 7,939 |
Total financial assets | 386,046 | 359,791
Liability |  |
Embedded derivative (included in "Deferred royalty obligations, net") | 35,592 | 41,091
Recurring | Level 1 |  |
Cash equivalents: |  |
Total cash equivalents | 331,772 | 294,872
Marketable securities: |  |
Total marketable securities | 0 |
Total financial assets | 331,772 | 294,872
Liability |  |
Embedded derivative (included in "Deferred royalty obligations, net") | 0 | 0
Recurring | Level 2 |  |
Cash equivalents: |  |
Total cash equivalents | 46,335 | 64,919
Marketable securities: |  |
Total marketable securities | 7,939 |
Total financial assets | 54,274 | 64,919
Liability |  |
Embedded derivative (included in "Deferred royalty obligations, net") | 0 | 0
Recurring | Level 3 |  |
Cash equivalents: |  |
Total cash equivalents | 0 | 0
Marketable securities: |  |
Total marketable securities | 0 |
Total financial assets | 0 | 0
Liability |  |
Embedded derivative (included in "Deferred royalty obligations, net") | 35,592 | 41,091
Recurring | Money Market Funds |  |
Cash equivalents: |  |
Total cash equivalents | 331,772 | 294,872
Recurring | Money Market Funds | Level 1 |  |
Cash equivalents: |  |
Total cash equivalents | 331,772 | 294,872
Recurring | Money Market Funds | Level 2 |  |
Cash equivalents: |  |
Total cash equivalents | 0 | 0
Recurring | Money Market Funds | Level 3 |  |
Cash equivalents: |  |
Total cash equivalents | 0 | 0
Recurring | Treasury Bills |  |
Cash equivalents: |  |
Total cash equivalents | 31,366 | 20,714
Marketable securities: |  |
Total marketable securities | 7,939 |
Recurring | Treasury Bills | Level 1 |  |
Cash equivalents: |  |
Total cash equivalents | 0 | 0
Marketable securities: |  |
Total marketable securities | 0 |
Recurring | Treasury Bills | Level 2 |  |
Cash equivalents: |  |
Total cash equivalents | 31,366 | 20,714
Marketable securities: |  |
Total marketable securities | 7,939 |
Recurring | Treasury Bills | Level 3 |  |
Cash equivalents: |  |
Total cash equivalents | 0 | 0
Marketable securities: |  |
Total marketable securities | 0 |
Recurring | Agency Discount Notes |  |
Cash equivalents: |  |
Total cash equivalents | 14,969 | 44,205
Recurring | Agency Discount Notes | Level 1 |  |
Cash equivalents: |  |
Total cash equivalents | 0 | 0
Recurring | Agency Discount Notes | Level 2 |  |
Cash equivalents: |  |
Total cash equivalents | 14,969 | 44,205
Recurring | Agency Discount Notes | Level 3 |  |
Cash equivalents: |  |
Total cash equivalents | $ 0 | $ 0

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