Stockholders' equity - Accumulated other comprehensive loss (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Stockholders' Equity Note [Abstract]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	$ 16,857	$ (30,356)	$ 4,916
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax	15,300
Reclassification of losses (gains)	1,697	$ (637)	$ 0
Other Comprehensive Income (Loss), Derivative Instrument	$ (148)