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Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2020
Commitments And Contingencies Disclosure [Abstract] |
Summary of Unconditional Purchase Obligations | The unconditional purchase obligations consisted of the following (in thousands):
|  | Purchase Obligations Due In The Year Ending December 31, |
|  | 2021 |  |  | 2022 |  |  | Total |
|  | (in thousands) |
Manufacture and supply of roxadustat |  | $ | 14,114 |  |  | $ | 10,951 |  |  | $ | 25,065 |
Manufacture and supply of pamrevlumab |  |  | 24,480 |  |  |  | 33,063 |  |  |  | 57,543 |
Other purchases |  |  | 3,418 |  |  |  | — |  |  |  | 3,418 |
Total purchase obligations |  | $ | 42,012 |  |  | $ | 44,014 |  |  | $ | 86,026 |

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