Income taxes - Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Income Tax Disclosure [Abstract]
Income tax expense / (benefit)	$ 19,615	$ (20,674)	$ 42,422	$ (323)

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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