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Other long-term liabilities - Schedule of Changes in Environmental Remediation Obligation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Accrual for Environmental Loss Contingencies [Roll Forward]
Opening balance	$ 40,772	$ 42,457
Remediation activities	(1,249)	(3,687)
Accretion	1,738	1,616
Changes in cash flow estimates	2,998	1,395
Revision in assumptions	(2,545)	(1,009)
Closing balance	$ 41,714	$ 40,772

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- Definition

Accrual for Environmental Loss Contingencies, Accretion

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Accrual for Environmental Loss Contingencies, Increase (Decrease) for Revision in Assumptions

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- Definition

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- Definition

Total costs accrued as of the balance sheet date for environmental loss contingencies.

+ References

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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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Amount of expense (reversal of expense) which increases (decreases) the accrual for environmental loss contingencies from revisions in estimates to existing obligations. Excludes changes related to business acquisitions, divestitures, or currency movement.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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