Income taxes - Schedule of Income Taxes Paid Net of Refunds Received (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Switzerland :
Federal	$ 1,087	$ 0	$ 0
Cantonal (Zug)	637	0	0
Foreign countries:
Total income taxes paid (net of refunds received)	30,673	23,463	13,665
United States
Foreign countries:
Foreign countries:	12,809	16,453	7,413
Luxembourg
Foreign countries:
Foreign countries:	6,953	0	0
Israel
Foreign countries:
Foreign countries:	5,470	4,945	4,289
Other foreign jurisdictions
Foreign countries:
Foreign countries:	$ 3,717	$ 2,065	$ 1,963