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Liabilities Related to the Sales of Future Royalties - Schedule of Liability Related to Potential Future Royalties (Detail) - USD ($) $ in Thousands | 12 Months Ended | 48 Months Ended | 154 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2024 | Dec. 31, 2024
Liability Related To Sale Of Future Royalties [Roll Forward] |  |  |  |
Liabilities related to the sales of future royalties—beginning balance | $ 113,874 |  |  | $ 0
Royalty monetization proceeds | 15,000 |  |  | 289,000
Non-cash royalty revenue | (64,267) | $ (68,921) |  | (536,433)
Non-cash interest expense | 28,112 | 25,334 |  | 326,630
Payments to RPI | 0 |  |  | (10,000)
Loss on revaluation of liability related to the sale of future royalties | 0 |  |  | 23,522
Liabilities related to the sales of future royalties – ending balance | 92,719 | 113,874 | $ 92,719 | 92,719
Less: unamortized transaction costs | (943) |  | (943) | (943)
Liabilities related to the sales of future royalties, net | 91,776 | 112,625 | 91,776 | 91,776
2012 Purchase and Sale Agreement |  |  |  |
Liability Related To Sale Of Future Royalties [Roll Forward] |  |  |  |
Liabilities related to the sales of future royalties—beginning balance | 24,217 |  |  | 0
Royalty monetization proceeds | 0 |  |  | 124,000
Non-cash royalty revenue | (26,881) |  |  | (380,728)
Non-cash interest expense | 9,861 |  |  | 250,403
Payments to RPI | 0 |  |  | (10,000)
Loss on revaluation of liability related to the sale of future royalties | 0 |  |  | 23,522
Liabilities related to the sales of future royalties – ending balance | 7,197 | 24,217 | 7,197 | 7,197
Less: unamortized transaction costs | 0 |  | 0 | 0
Liabilities related to the sales of future royalties, net | 7,197 |  | 7,197 | 7,197
2020 Purchase and Sale Agreement |  |  |  |
Liability Related To Sale Of Future Royalties [Roll Forward] |  |  |  |
Liabilities related to the sales of future royalties—beginning balance | 89,657 |  | 0 |
Royalty monetization proceeds | 15,000 |  | 165,000 |
Non-cash royalty revenue | (37,386) |  | (155,705) |
Non-cash interest expense | 18,251 |  | 76,227 |
Payments to RPI | 0 |  | 0 |
Loss on revaluation of liability related to the sale of future royalties | 0 |  | 0 |
Liabilities related to the sales of future royalties – ending balance | 85,522 | $ 89,657 | 85,522 | 85,522
Less: unamortized transaction costs | (943) |  | (943) | (943)
Liabilities related to the sales of future royalties, net | $ 84,579 |  | $ 84,579 | $ 84,579

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- Definition Gain (Loss) ON Revaluation Of Liabilities Related To The Sale Of Future Royalties, Gross + References No definition available. + Details
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- Definition Liabilities on sale of future royalties, unamortized transaction costs. + References No definition available. + Details
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- Definition Liability Related To Sale Of Future Royalties + References No definition available. + Details
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- Definition Liability Related To Sale Of Potential Future Royalties Non Current + References No definition available. + Details
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- Definition Liability related to sale of potential future royalties non current net of issuance costs. + References No definition available. + Details
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- Definition Non-cash interest expense related to sale of royalties. + References No definition available. + Details
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- Definition Non cash royalty revenue related to sale future royalties. + References No definition available. + Details
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- Definition Partial repayment of royalty sale proceeds. + References No definition available. + Details
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- Definition Proceeds from sale of potential future royalties. + References No definition available. + Details
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- Details
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- Details
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