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Income Taxes - Schedule of Income Tax Expense (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Operating Loss Carryforwards [Line Items]      
Foreign $ (3,238) $ 13 $ 9
Income tax income / (expense) from continuing operations 3,238 (13) (9)
Foreign      
Operating Loss Carryforwards [Line Items]      
Foreign 3,238 (13) (9)
Income tax income / (expense) from continuing operations (3,238) 13 9
Switzerland      
Operating Loss Carryforwards [Line Items]      
Foreign (0) (0) (0)
Income tax income / (expense) from continuing operations $ 0 $ 0 $ 0