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Disclosures on equity - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  |  |  |  |  |  | 12 Months Ended
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Nov. 21, 2022 | Aug. 17, 2022 | May 18, 2022 | Apr. 26, 2022 | Dec. 22, 2021 | Aug. 18, 2021 | May 19, 2021 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of Disclosures on equity [Line Items] |  |  |  |  |  |  |  |  |
Interim dividend per share | $ 3.08056 | $ 1.84914 | $ 2.78716 |  | $ 1.40037 | $ 0.31439 | $ 0.23797 |  |
Final dividend per share |  |  |  | $ 0.09691 |  |  |  |  |
Minimum percentage required to call ordinary or extraordinary meeting |  |  |  |  |  |  |  | 50.00% |
Number of consecutive limitation period of series B shares |  |  |  |  |  |  |  | 50 years |
Contractual capital commitments |  |  |  |  |  |  |  | $ 0 |
Final dividend as per policy |  |  |  |  |  |  |  |  |
Disclosure of Disclosures on equity [Line Items] |  |  |  |  |  |  |  |  |
Final dividend per share |  |  |  | $ 2.04964 |  |  |  |  |
Minimum |  |  |  |  |  |  |  |  |
Disclosure of Disclosures on equity [Line Items] |  |  |  |  |  |  |  |  |
Cash dividend rate |  |  |  |  |  |  |  | 30.00% | 30.00%

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- Definition The amount of capital commitments for which the entity has entered into a contract. [Refer: Capital commitments] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_112_c&doctype=Standard -URIDate 2022-03-24 + Details
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