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Royalty and Commercial Payment Purchase Agreements - Aptevo (Details) - USD ($) $ in Thousands | Mar. 29, 2023 | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Agreements |  |  |
Long-term royalty and commercial payment receivables |  | $ 73,333 | $ 63,683
Contingent consideration under RPAs and CPPAs |  | 125 | 75
Short-term royalty and commercial payment receivables |  | 0 | $ 2,366
Aptevo | Commercial Payment Purchase Agreement |  |  |
Agreements |  |  |
Upfront payment | $ 9,600 |  |
Commercial payments attributable to net sales threshold | 500 |  |
One-time payment | 50 |  |
Long-term royalty and commercial payment receivables | 9,700 |  |
Contingent consideration under RPAs and CPPAs | $ 50 |  |
Maximum milestone payments entitled to receive |  | 5,300 |
Short-term royalty and commercial payment receivables |  | 0 |
Amount of allowance for credit losses |  | $ 0 |

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