Provisions - Provisions for CO2 Emissions Allowances (Details) - USD ($)	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Other provisions [abstract]
Provisions	$ 117,795,000	$ 107,516,000	$ 142,727,000
Provisions for C02 emissions allowances [Member]
Other provisions [abstract]
Provisions	$ 84,765,000	$ 72,321,000	$ 90,471,000

The amount of provisions other than provisions for employee benefits. [Refer: Provisions]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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