Derivative financial instruments - Schedule of fair value of derivative instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Derivatives designated as hedging instruments
Total designated as hedging instruments	$ 2,337	$ 1,408
Derivatives not designated as hedging instruments
Total current position	1,070	2,639
Total long-term position	1,267	(1,231)
Total derivatives	$ 2,337	$ 1,408
Interest rate swap
Offsetting Liabilities [Line Items]
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Other Assets, Current	Other Assets, Current
Derivatives designated as hedging instruments
Current assets	$ 1,070	$ 2,653
Non-current assets	1,267	548
Current liabilities	0	(14)
Non-current liabilities	0	(1,779)
Derivatives not designated as hedging instruments
Current assets	4,063	0
Non-current assets	7,205	0
Current liabilities	(4,063)	0
Non-current liabilities	$ (7,205)	$ 0