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Basis of Presentation and Summary of Significant Accounting Policies - Revenue by Source (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | $ 66,088 | $ 64,835 | $ 169,200 | $ 204,660
Royalties |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 19,837 | 15,648 | 51,491 | 31,376
Kyprolis |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 9,123 | 8,821 | 20,872 | 18,548
Evomela |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 3,123 | 2,665 | 8,218 | 7,191
Teriparatide injection |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 4,071 | 2,567 | 12,484 | 2,831
Rylaze |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 2,099 | 600 | 6,065 | 600
Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 1,421 | 995 | 3,852 | 2,206
Captisol |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 35,949 | 35,093 | 77,616 | 128,875
Captisol - Core |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 3,582 | 5,374 | 13,133 | 16,310
Captisol - COVID |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 32,367 | 29,719 | 64,483 | 112,565
Contract revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 10,302 | 14,094 | 40,093 | 44,409
Service Revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 4,975 | 4,828 | 15,574 | 17,650
License Fees |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 460 | 200 | 5,154 | 2,293
Milestone |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 3,658 | 7,419 | 14,022 | 19,436
Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | $ 1,209 | $ 1,647 | $ 5,343 | $ 5,030

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