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Leases - Additional Information (Detail) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 USD ($) aircraft | Dec. 31, 2024 USD ($) aircraft | Dec. 31, 2023 aircraft
Disclosure of finance and operating lease by lessee [Line Items] |  |  |
Average duration of long-term lease agreement | 16 years |  |
Non-cash derecognition |  | $ 20,271 |
Lease liabilities including provision of dismantling amounts | $ 347,100 | 351,900 |
Cash outflow for leases | $ 76,100 | $ 77,100 |
Weighted average incremental borrowing rate | 5.20% | 5.20% |
Dismantling provision, remaining capacity |  | $ 4,200 |
Aircraft |  |  |
Disclosure of finance and operating lease by lessee [Line Items] |  |  |
Non-cash derecognition |  | $ 20,271 |
Boeing 737-800 BCF |  |  |
Disclosure of finance and operating lease by lessee [Line Items] |  |  |
Number of new aircrafts leased | aircraft | 1 |  |
Boeing 737-800 NG |  |  |
Disclosure of finance and operating lease by lessee [Line Items] |  |  |
Number of new aircrafts purchased | aircraft |  | 4 |
B-737 Max 9 |  |  |
Disclosure of finance and operating lease by lessee [Line Items] |  |  |
Number of new aircrafts leased | aircraft |  |  | 1

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- Definition Dismantling Provision, Remaining Capacity + References No definition available. + Details
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- Definition Lease liabilities including dismantling provision. + References No definition available. + Details
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- Definition The cash outflow for leases. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2025-01-01 -Paragraph 53 -Subparagraph g -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_53_g&doctype=Standard -URIDate 2025-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 115 -Subparagraph f -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_115_f&doctype=Standard -URIDate 2025-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 115 -Subparagraph f -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_115_f&doctype=Standard -URIDate 2025-03-27 + Details
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- Definition The increase (decrease) in right-of-use assets resulting from transfers and changes that the entity does not separately disclose in the same statement or note. [Refer: Right-of-use assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2025-01-01 -Paragraph 73 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_73_e&doctype=Standard -URIDate 2025-03-27 + Details
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- Definition The weighted average lessee's incremental borrowing rate applied to lease liabilities recognised in the statement of financial position at the date of initial application of IFRS 16. The incremental borrowing rate is the rate of interest that a lessee would have to pay to borrow over a similar term, and with a similar security, the funds necessary to obtain an asset of a similar value to the right-of-use asset in a similar economic environment. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2025-01-01 -Paragraph C12 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_C12_a&doctype=Appendix&subtype=C -URIDate 2025-03-27 + Details
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