Income taxes - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ 2,237	$ (61,294)	$ 7,768	$ (40,151)
Effective income tax rate (in percent)	1.00%	(39.80%)	2.30%	16.60%

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

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+ Details