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Taxes - Narrative (Details) $ in Thousands, £ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($)	Dec. 31, 2024 GBP (£)	Dec. 31, 2023 USD ($)
Taxes
Income tax credits	$ 800		$ 3,000
Valuation allowance for deferred tax assets	59,820		57,323
Increase in valuation allowance	2,500
Federal
Taxes
NOLs carryforward	3,500		3,800
State
Taxes
NOLs carryforward	16,800		17,300
Foreign
Taxes
NOLs carryforward	$ 230,000		$ 220,100
Annual NOL allowance restriction | £		£ 5.0
Percentage of tax rate adopted in respect of deferred tax assets measurement	50.00%

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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-Topic 740
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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized.

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The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

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