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Related party transactions (Details) - Cespira - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Related Party Transaction [Line Items]
Receivables	$ 241		$ 241		$ 4,973
Payables	161		161		$ 1,137
Sales of goods, services, and other income
Related Party Transaction [Line Items]
Transaction amount	136	$ 2,677	15,679	$ 3,338
Inventory purchased, services and other expenses
Related Party Transaction [Line Items]
Transaction amount	$ 226	$ 0	$ 1,470	$ 0

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Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.

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