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Income Taxes - Loss Before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Income Taxes [Line Items]
United Kingdom	$ (42,544)	$ (27,510)
Loss before income tax	(66,633)	(61,227)
United States
Income Taxes [Line Items]
Foreign	(24,053)	(32,833)
Other foreign
Income Taxes [Line Items]
Foreign	$ (36)	$ (884)

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The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

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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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