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Other Operating Income - Narrative (Details) - USD ($) $ in Thousands | 1 Months Ended | 8 Months Ended | 12 Months Ended | 52 Months Ended
--- | --- | --- | --- | ---
May 31, 2021 | Sep. 30, 2017 | Dec. 31, 2021 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2021
Research and Development Arrangement, Contract to Perform for Others [Line Items] |  |  |  |  |  |
Current research and development tax credit receivable |  |  | $ 15,695 | $ 15,695 | $ 9,856 | $ 15,695
Accounts receivable |  |  | 1,464 | 1,464 | 331 | 1,464
BARDA |  |  |  |  |  |
Research and Development Arrangement, Contract to Perform for Others [Line Items] |  |  |  |  |  |
Maximum funding value |  | $ 62,000 |  | 72,500 |  |
Total committed funding |  |  |  | 62,400 |  |
Funding received |  |  |  |  |  | 56,492
Funding/Grant income |  |  |  | 4,604 | $ 9,472 | 50,265
CARB-X |  |  |  |  |  |
Research and Development Arrangement, Contract to Perform for Others [Line Items] |  |  |  |  |  |
Funding received |  |  | 485 |  |  |
Funding/Grant income |  |  | 1,155 |  |  |
Committed funding base | $ 4,100 |  |  |  |  |
Funding increase based on achievement of future milestones | $ 3,700 |  |  |  |  |
Accounts receivable |  |  | 96 | 96 |  | 96
Current contract asset |  |  | $ 574 | $ 574 |  | $ 574

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