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Financial instruments - Fair value - Level 3 instrument, New Zealand natural gas supply contract, narrative (Details) - Fair value of New Zealand gas supply contract derivative - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Disclosure Of Financial Assets And Liabilities [Line Items]
Derivative financial assets	$ 8,713	$ 0
Level 3 of fair value hierarchy
Disclosure Of Financial Assets And Liabilities [Line Items]
Derivative financial assets	$ 8,700

X

- Definition

The amount of financial assets classified as derivative instruments. [Refer: Financial assets; Derivatives [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard
-URIDate 2024-03-27

+ Details

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Period Type:	instant

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- Definition

Disclosure Of Financial Assets And Liabilities [Line Items]

+ References

No definition available.

+ Details

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- Details

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- Details

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