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Employee future benefits - Net Defined Benefit Liability (Asset) (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
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Disclosure of net defined benefit liability (asset) [line items] |  |  |
Employee future benefits | $ 455 | $ 1,894 |
Net defined benefit pension plan liability |  |  |
Disclosure of net defined benefit liability (asset) [line items] |  |  |
Employee future benefits | 348 | 1,814 | $ 3,856
Net other post-retirement benefit plan liability |  |  |
Disclosure of net defined benefit liability (asset) [line items] |  |  |
Employee future benefits | $ 107 | $ 80 | $ 85

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount of deficit or surplus in a defined benefit plan, adjusted for any effect of limiting a net defined benefit asset to the asset ceiling. [Refer: Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2022-03-24 -Paragraph 140 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2022-en-r&anchor=para_140_a&doctype=Standard -URIDate 2022-03-24 + Details
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- Details
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- Details
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