Income taxes (Details) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2025
USD ($)
jurisdiction
|
Dec. 31, 2024
USD ($)
|
Dec. 31, 2023
USD ($)
|
|
| Income taxes. | |||
| Provision for (benefit from) income taxes | $ 152 | $ (4,765) | $ 1,457 |
| Incremental income tax benefits | 3,500 | ||
| Increase (decrease) in income taxes | 2,400 | ||
| Increases recorded to income tax provision | 27,100 | 19,400 | |
| U.K. operating loss carryforwards | 405,300 | ||
| Uncertain tax positions | 0 | 0 | |
| Interest and penalties accrued | $ 0 | $ 0 | $ 0 |
| State | |||
| Income taxes. | |||
| Number of jurisdictions | jurisdiction | 11 | ||
| X | ||||||||||
- Definition Amount of incremental income tax benefits due to completion of research and development tax credit study during the period. No definition available.
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- Definition Represents the number of Jurisdictions. No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign operating loss carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The increase (decrease) during the reporting period in the amounts payable to taxing authorities for taxes that are based on the reporting entity's earnings, net of amounts receivable from taxing authorities for refunds of overpayments or recoveries of income taxes, and in deferred and other tax liabilities and assets. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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