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Commitment and contingencies (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2025	Sep. 30, 2024
Long-Lived Assets Held-for-Sale [Line Items]
Impairment of long-lived assets and prepaid expenses, and other related costs	$ 827	$ 7,240	$ 0
United Kingdom | Leaseholds and Leasehold Improvements
Long-Lived Assets Held-for-Sale [Line Items]
Impairment of long-lived assets and prepaid expenses, and other related costs	$ 800

X

- Definition

Impairment Of Long-Lived Assets, Prepaid Expenses, and Other Costs

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	duration

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.

+ References

No definition available.

+ Details

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X

- Details

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Namespace Prefix:
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X

- Details

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Namespace Prefix:
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