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Commitments and Contingencies - Contingent Consideration (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2019 | Mar. 31, 2022 | Dec. 31, 2021 | Oct. 06, 2021 | Apr. 07, 2019 | Feb. 25, 2019
Commitments And Contingencies |  |  |  |  |  |
Contingent consideration under RPAs and CPPAs |  | $ 3,075 | $ 8,075 |  |  |
Royalty Purchase Agreement | Bioasis |  |  |  |  |  |
Commitments And Contingencies |  |  |  |  |  |
Contingent consideration under RPAs and CPPAs |  |  |  |  |  | $ 100
Payments of contingent consideration |  | 0 |  |  |  |
Changes in estimated fair value of contingent consideration |  | 0 |  |  |  |
Royalty Purchase Agreement | Aronora |  |  |  |  |  |
Commitments And Contingencies |  |  |  |  |  |
Contingent consideration under RPAs and CPPAs |  |  |  |  | $ 3,000 |
Payments of contingent consideration | $ 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 |  |  |  |  |  |
Commitments And Contingencies |  |  |  |  |  |
Contingent consideration under RPAs and CPPAs |  | 3,000 |  | $ 8,000 |  |
Commercial payment purchase agreement | Affitech | Regulatory milestones |  |  |  |  |  |
Commitments And Contingencies |  |  |  |  |  |
Contingent consideration under RPAs and CPPAs |  | 3,000 |  | $ 8,000 |  |
Commercial payment purchase agreement | Affitech | Sales milestones |  |  |  |  |  |
Commitments And Contingencies |  |  |  |  |  |
Contingent consideration under RPAs and CPPAs |  | $ 0 |  |  |  |

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