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Basis of Presentation and Summary of Significant Accounting Policies - Royalty Revenue (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disaggregation of Revenue |  |  |
Total revenues and other income | $ 167,133 | $ 131,314 | $ 196,245
Royalties |  |  |
Disaggregation of Revenue |  |  |
Total revenues and other income | 108,773 | 84,959 | 72,912
Kyprolis |  |  |
Disaggregation of Revenue |  |  |
Total revenues and other income | 38,377 | 35,640 | 30,116
Rylaze |  |  |
Disaggregation of Revenue |  |  |
Total revenues and other income | 13,743 | 13,520 | 8,796
Filspari |  |  |
Disaggregation of Revenue |  |  |
Total revenues and other income | 12,179 | 2,655 | 0
Evomela |  |  |
Disaggregation of Revenue |  |  |
Total revenues and other income | 8,680 | 10,212 | 10,197
Teriparatide injection |  |  |
Disaggregation of Revenue |  |  |
Total revenues and other income | 8,221 | 11,061 | 15,785
Vaxneuvance |  |  |
Disaggregation of Revenue |  |  |
Total revenues and other income | 5,184 | 4,062 | 1,083
Other |  |  |
Disaggregation of Revenue |  |  |
Total revenues and other income | 8,945 | 6,760 | 6,550
Revenue from intangible royalty assets |  |  |
Disaggregation of Revenue |  |  |
Total revenues and other income | 95,329 | 83,910 | 72,527
Income from financial royalty assets |  |  |
Disaggregation of Revenue |  |  |
Total revenues and other income | 13,444 | 1,049 | 385
Captisol |  |  |
Disaggregation of Revenue |  |  |
Total revenues and other income | 30,883 | 28,372 | 104,495
Captisol - Core |  |  |
Disaggregation of Revenue |  |  |
Total revenues and other income | 30,883 | 28,372 | 16,429
Captisol - COVID |  |  |
Disaggregation of Revenue |  |  |
Total revenues and other income | 0 | 0 | 88,066
Contract revenue and other income |  |  |
Disaggregation of Revenue |  |  |
Total revenues and other income | 27,477 | 17,983 | 18,838
Milestone and other |  |  |
Disaggregation of Revenue |  |  |
Total revenues and other income | 25,533 | 17,983 | 18,838
Other income |  |  |
Disaggregation of Revenue |  |  |
Total revenues and other income | $ 1,944 | $ 0 | $ 0

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