Other Assets and Liabilities - Other Current Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Other Liabilities, Current [Abstract]
Accrued interest	$ 1,757	$ 4,920
Guarantee to Deerfield	278	280
Other	16	70
Total	$ 2,051	$ 5,270

Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
-Section 55
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-URI https://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section S99
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-Subparagraph (SX 210.5-02.20)
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant