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Contingent Liabilities and Commitments - Narrative (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Feb. 28, 2018 | Dec. 31, 2021 | Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract] |  |  |
Purchase obligation |  | $ 5,500 |
Costs incurred, purchase obligation |  | 3,348 |
Contractual obligation, annual amount |  | 3,000 |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Guarantee to Deerfield |  | 774 | $ 1,053
Costs incurred, purchase obligation |  | 3,348 |
Discontinued Operations, Disposed of by Sale | 2016 MIPA |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Guarantee to Deerfield |  | 1,054 |
Discontinued Operations, Disposed of by Sale | Cerecor |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Guaranty assets |  | $ 1,050 |
FSC | Discontinued Operations, Disposed of by Sale | 2016 MIPA |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Percentage of royalty payable on net sales | 15.00% |  |
Royalty payable on net sales, maximum | $ 10,300 |  |

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