Income taxes - Narrative (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)	$ 4,092	$ (3,903)	$ 5,531	$ 21,143
Effective income tax rate (percent)	7.80%	0.80%	5.10%	(5.30%)

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

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+ Details