Other Assets and Liabilities - Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Prepaid Expenses and Other Current Assets:
Prepaid and other expenses	$ 3,745	$ 3,179
Other	567	271
Guarantee from Armistice	277	279
Income tax receivable	81	29,097
Total	$ 4,670	$ 32,826