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Financial instruments - financial and other risks - Market risk (Details) - Spot market rate risk - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disclosure of detailed information about financial instruments [line items]
Amount of changes in spot rate used for sensitivity analysis	$ 1,000
Impact on operating income (loss) due to increase (decrease) in spot rate in sensitivity analysis	$ 35,300,000	$ 40,300,000	$ 46,900,000

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Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Amount Per Day

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Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Impact On Operating Income (Loss)

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