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Agenus Transaction (Details) $ in Thousands | May 29, 2024 USD ($) $ / shares shares | Dec. 31, 2024 USD ($) $ / shares | Dec. 31, 2023 USD ($)
--- | --- | --- | ---
Asset Acquisition [Line Items] |  |  |
Royalty assets |  | $ 195,049 | $ 62,291
Agenus, Inc. |  |  |
Asset Acquisition [Line Items] |  |  |
Royalty assets | $ 75,000 | $ 40,407 | $ 0
Royalties right to receive (as a percent) | 18.75% |  |
Maximum capital sourcing | $ 100,000 |  |
Maximum financing royalty asset | $ 200,000 |  |
Warrants term (in years) | 5 years |  |
Warrants issued in public offering (in shares) | shares | 867,052 |  |
Exercise price of warrants (in USD per share) | $ / shares | $ 17.30 |  |
Agenus, Inc. | Expected Term |  |  |
Asset Acquisition [Line Items] |  |  |
Derivative liability, measurement input | 4.0 | 3.4 |
Agenus, Inc. | Option Volatility |  |  |
Asset Acquisition [Line Items] |  |  |
Derivative liability, measurement input | 0.84 | 1.02 |
Agenus, Inc. | Risk Free Interest Rate |  |  |
Asset Acquisition [Line Items] |  |  |
Derivative liability, measurement input | 0.047 | 0.043 |
Agenus, Inc. | Share Price |  |  |
Asset Acquisition [Line Items] |  |  |
Derivative liability, measurement input | $ / shares | 15.03 | 2.74 |
Agenus, Inc. | BMS-986442 |  |  |
Asset Acquisition [Line Items] |  |  |
Future milestones right to receive (as a percent) | 31.875% |  |
Agenus, Inc. | AGEN2373 |  |  |
Asset Acquisition [Line Items] |  |  |
Future milestones right to receive (as a percent) | 31.875% |  |
Agenus, Inc. | INCAGN2385 |  |  |
Asset Acquisition [Line Items] |  |  |
Future milestones right to receive (as a percent) | 31.875% |  |
Agenus, Inc. | INCAGN2390 |  |  |
Asset Acquisition [Line Items] |  |  |
Future milestones right to receive (as a percent) | 31.875% |  |
Agenus, Inc. | MK-4830 |  |  |
Asset Acquisition [Line Items] |  |  |
Future milestones right to receive (as a percent) | 31.875% |  |
Agenus, Inc. | UGN-301 |  |  |
Asset Acquisition [Line Items] |  |  |
Future milestones right to receive (as a percent) | 31.875% |  |
Agenus, Inc. | BOT/BAL |  |  |
Asset Acquisition [Line Items] |  |  |
Future royalties (as a percent) | 2.625% |  |
Agenus Partnered Program |  |  |
Asset Acquisition [Line Items] |  |  |
Additional maximum investment | $ 25,000 |  |
Fair value of derivative assets | $ 21,300 |  |

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