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Term deposits and other financial assets - Fair value reserve (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Movement In Fair Value Reserve For Financial Assets At Fair Value Through Other Comprehensive Income [Roll Forward] |  |  |
Changes recognized in other comprehensive income of the period (Note 16) | $ 2,083 | $ 3,737 | $ 3,793
Financial assets at fair value through OCI |  |  |
Movement In Fair Value Reserve For Financial Assets At Fair Value Through Other Comprehensive Income [Roll Forward] |  |  |
Beginning balance | (2,083) | (5,820) |
Changes in fair value of financial assets | 467 | 1,441 |
Deferred tax assets on fair value loss through other comprehensive income | (944) | (1,114) |
Reclassification from fair value reserve to profit or loss of the period due to maturity or sale of financial assets | 2,577 | 3,427 |
Changes in allowance for expected credit losses - reversal | (17) | (17) |
Changes recognized in other comprehensive income of the period (Note 16) | 2,083 | 3,737 |
Ending balance | $ 0 | $ (2,083) | $ (5,820)

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- Definition The gains (losses) recognised in other comprehensive income on financial assets measured at fair value through other comprehensive income applying paragraph 4.1.2A of IFRS 9, net of tax, before reclassification adjustments. [Refer: Financial assets measured at fair value through other comprehensive income; Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2027-01-01 -Name IAS -Number 1 -IssueDate 2025-01-01 -Paragraph 91 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_91_a&doctype=Standard -URIDate 2025-03-27 + Details
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- Definition The amount of other comprehensive income, net of tax, after reclassification adjustments, related to financial assets measured at fair value through other comprehensive income applying paragraph 4.1.2A of IFRS 9. [Refer: Financial assets measured at fair value through other comprehensive income; Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2027-01-01 -Name IAS -Number 1 -IssueDate 2025-01-01 -Paragraph 91 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_91_a&doctype=Standard -URIDate 2025-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2027-01-01 -Name IAS -Number 1 -IssueDate 2025-01-01 -Paragraph 7 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_7&doctype=Standard -URIDate 2025-03-27 + Details
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- Definition A component of equity representing the reserve of gains and losses on financial assets measured at fair value through other comprehensive income. [Refer: Financial assets measured at fair value through other comprehensive income; Other comprehensive income] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2027-01-01 -Name IAS -Number 1 -IssueDate 2025-01-01 -Paragraph 78 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_78_e&doctype=Standard -URIDate 2025-03-27 + Details
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- Definition Deferred Tax Assets On Fair Value Loss Through Other Comprehensive Income + References No definition available. + Details
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- Definition Movement In Fair Value Reserve For Financial Assets At Fair Value Through Other Comprehensive Income + References No definition available. + Details
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- Definition Reclassifications From Fair Value To Profit Or Loss Due To Maturity Or Sale Of Financial Assets + References No definition available. + Details
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