Financial instruments - Schedule of foreign exchange gains and losses recognized within AOCI and the interest benefit recognized within interest expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Derivative Instruments, Gain (Loss) [Line Items]
Foreign exchange (losses) gains	$ 44,902	$ (62,904)	$ (63,191)
Interest benefit on swaps not designed as hedging instrument	18,814	20,880	$ 19,296
Cross Currency Interest Rate Contract | Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Interest benefit on swaps not designed as hedging instrument	18,814	20,880
Cross Currency Interest Rate Contract | Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Foreign exchange (losses) gains	$ (24,210)	$ 22,399