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Other Assets and Liabilities - Other Current Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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Goodwill and Intangible Assets Disclosure [Abstract] |  |
Accrued interest | $ 1,649 | $ 4,920
Guarantee to Deerfield | 277 | 280
Other | 15 | 70
Other current liabilities | $ 1,941 | $ 5,270

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