Income Taxes - Loss Before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Germany	$ (7,290)	$ (5,852)
Foreign	(29,908)	(43,905)
Total	$ (37,198)	$ (49,757)

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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+ Details