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Commitments and Contingencies - Contingent Consideration (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021 | Oct. 06, 2021 | Apr. 07, 2019 | Feb. 25, 2019
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Commitments And Contingencies |  |  |  |  |
Contingent consideration under RPAs and CPPAs | $ 75 | $ 8,075 |  |  |
Royalty Purchase Agreement | Bioasis |  |  |  |  |
Commitments And Contingencies |  |  |  |  |
Contingent consideration under RPAs and CPPAs | 100 |  |  |  | $ 100
Royalty Purchase Agreement | Aronora |  |  |  |  |
Commitments And Contingencies |  |  |  |  |
Contingent consideration under RPAs and CPPAs |  |  |  | $ 3,000 |
Royalty Purchase Agreement | Aronora | Royalty milestones |  |  |  |  |
Commitments And Contingencies |  |  |  |  |
Contingent consideration under RPAs and CPPAs | 0 |  |  |  |
Royalty Purchase Agreement | Kuros | Sales milestones |  |  |  |  |
Commitments And Contingencies |  |  |  |  |
Contingent consideration under RPAs and CPPAs | 0 |  |  |  |
Commercial Payment Purchase Agreement | Affitech | Regulatory milestones |  |  |  |  |
Commitments And Contingencies |  |  |  |  |
Contingent consideration under RPAs and CPPAs | 0 | $ 8,000 | $ 8,000 |  |
Commercial Payment Purchase Agreement | Affitech | Sales milestones |  |  |  |  |
Commitments And Contingencies |  |  |  |  |
Contingent consideration under RPAs and CPPAs | $ 0 |  |  |  |

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