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OTHER NON-FINANCIAL ASSETS - Schedule of composition of other non-financial assets (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | --- | ---
Other Non-Financial Assets [Line Items] |  |  |  |
Current assets | $ 203,661 | $ 185,264 |  |
Non-current assets | 89,416 | 168,621 |  |
Total Assets | 65,566 | 72,359 | $ 48,566 | $ 25,080
Total Other Non - Financial Assets |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Total Assets | 293,077 | 353,885 |  |
Current assets | Total Other Non - Financial Assets |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Current assets | 203,661 | 185,264 |  |
Non-current assets | Total Other Non - Financial Assets |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Non-current assets | 89,416 | 168,621 |  |
Advance payments |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Total Assets | 62,718 | 35,472 |  |
Advance payments | Aircraft insurance and other |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Total Assets | 31,465 | 25,992 |  |
Advance payments | Others |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Total Assets | 31,253 | 9,480 |  |
Advance payments | Current assets |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Current assets | 38,562 | 29,732 |  |
Advance payments | Current assets | Aircraft insurance and other |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Current assets | 31,465 | 25,992 |  |
Advance payments | Current assets | Others |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Current assets | 7,097 | 3,740 |  |
Advance payments | Non-current assets |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Non-current assets | 24,156 | 5,740 |  |
Advance payments | Non-current assets | Aircraft insurance and other |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Non-current assets | 0 | 0 |  |
Advance payments | Non-current assets | Others |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Non-current assets | 24,156 | 5,740 |  |
Contract assets | GDS costs |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Total Assets | 23,078 | 22,738 |  |
Contract assets | Credit card commissions |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Total Assets | 33,590 | 37,200 |  |
Contract assets | Travel agencies commissions |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Total Assets | 8,898 | 12,421 |  |
Contract assets | Subtotal advance payments |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Total Assets | 65,566 | 72,359 |  |
Contract assets | Current assets | GDS costs |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Current assets | 23,078 | 22,738 |  |
Contract assets | Current assets | Credit card commissions |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Current assets | 33,590 | 37,200 |  |
Contract assets | Current assets | Travel agencies commissions |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Current assets | 8,898 | 12,421 |  |
Contract assets | Current assets | Subtotal advance payments |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Current assets | 65,566 | 72,359 |  |
Contract assets | Non-current assets | GDS costs |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Non-current assets | 0 | 0 |  |
Contract assets | Non-current assets | Credit card commissions |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Non-current assets | 0 | 0 |  |
Contract assets | Non-current assets | Travel agencies commissions |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Non-current assets | 0 | 0 |  |
Contract assets | Non-current assets | Subtotal advance payments |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Non-current assets | 0 | 0 |  |
Other assets | Sales tax |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Total Assets | 105,042 | 95,538 |  |
Other assets | Other taxes |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Total Assets | 226 | 1,130 |  |
Other assets | Contributions to the International Aeronautical Telecommunications Society (“SITA”) |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Total Assets | 899 | 997 |  |
Other assets | Contributions to Aeronautical Service Companies |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Total Assets | 60 | 60 |  |
Other assets | Judicial deposits |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Total Assets | 58,566 | 148,329 |  |
Other assets | Subtotal other assets |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Total Assets | 164,793 | 246,054 |  |
Other assets | Current assets | Sales tax |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Current assets | 98,142 | 81,785 |  |
Other assets | Current assets | Other taxes |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Current assets | 226 | 1,130 |  |
Other assets | Current assets | Contributions to the International Aeronautical Telecommunications Society (“SITA”) |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Current assets | 628 | 258 |  |
Other assets | Current assets | Contributions to Aeronautical Service Companies |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Current assets | 0 | 0 |  |
Other assets | Current assets | Judicial deposits |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Current assets | 537 | 0 |  |
Other assets | Current assets | Subtotal other assets |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Current assets | 99,533 | 83,173 |  |
Other assets | Non-current assets | Sales tax |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Non-current assets | 6,900 | 13,753 |  |
Other assets | Non-current assets | Other taxes |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Non-current assets | 0 | 0 |  |
Other assets | Non-current assets | Contributions to the International Aeronautical Telecommunications Society (“SITA”) |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Non-current assets | 271 | 739 |  |
Other assets | Non-current assets | Contributions to Aeronautical Service Companies |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Non-current assets | 60 | 60 |  |
Other assets | Non-current assets | Judicial deposits |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Non-current assets | 58,029 | 148,329 |  |
Other assets | Non-current assets | Subtotal other assets |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Non-current assets | $ 65,260 | $ 162,881 |  |

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