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Tax (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Specification of income tax [Abstract] |  |  |  |
Income tax payable |  | $ 592 | $ 378 | $ 587
Tax expenses related to previous year |  | (4) | (27) | 309
Change in deferred tax |  | (1) | 9 | 5
Total income tax expense |  | 587 | 360 | 900
Specification of Temporary Differences and Deferred Tax [Abstract] |  |  |  |
Property, plant and equipment |  | 468 | (11) | 2
Pensions |  | (695) | (662) | (612)
Total basis for deferred tax |  | (227) | (674) | (610)
Deferred tax liability (asset), net | [1] | (113) | (152) | (140)
Deferred tax (asset), gross | [2] | (168) | (166) | (161)
Deferred tax liability, gross | [2] | 55 | 14 | 21
Reconciliation of income tax expense [Abstract] |  |  |  |
Profit/(loss) before income tax |  | 62,567 | (11,147) | 267,181
Expected income tax assessed at the tax rate for the Parent company (0%) |  | 0 | 0 | 0
Adjusted for tax effect of the following items [Abstract] |  |  |  |
Income in subsidiary, subject to income tax |  | 587 | 360 | 900
Total income tax expense |  | $ 587 | $ 360 | $ 900
Expected income tax rate |  | 0.00% | 0.00% | 0.00%
[1] | Due to materiality, recognized in prepaid expenses and not on a separate line in the statements of financial position.
[2] | Deferred tax liability is related to one of the direct and one of the indirect subsidiaries in Singapore and cannot be offset with the deferred tax asset related to the subsidiary in Norway.

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- Definition The aggregate amount included in the determination of profit (loss) for the period in respect of current tax and deferred tax. [Refer: Current tax expense (income); Deferred tax expense (income)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 26 -IssueDate 2022-03-24 -Paragraph 35 -Subparagraph b -Clause viii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=26&code=ifrs-tx-2022-en-r&anchor=para_35_b_viii&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2022-03-24 -Paragraph 23 -Subparagraph h -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2022-en-r&anchor=para_23_h&doctype=Standard -URIDate 2022-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2022-03-24 -Paragraph 79 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_79&doctype=Standard -URIDate 2022-03-24 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2022-03-24 -Paragraph 81 -Subparagraph c -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_81_c_i&doctype=Standard -URIDate 2022-03-24 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2022-03-24 -Paragraph 81 -Subparagraph c -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_81_c_ii&doctype=Standard -URIDate 2022-03-24 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2022-03-24 -Paragraph B13 -Subparagraph g -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_B13_g&doctype=Appendix&subtype=B -URIDate 2022-03-24 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 82 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_82_d&doctype=Standard -URIDate 2022-03-24 + Details
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