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OTHER NON-FINANCIAL ASSETS - Schedule of composition of other non-financial assets (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | --- | ---
Other Non-Financial Assets [Line Items] |  |  |  |
Current assets | $ 185,264 | $ 191,364 |  |
Non-current assets | 168,621 | 148,378 |  |
Total Assets | 72,359 | 48,566 | $ 25,080 | $ 15,476
Total Other Non - Financial Assets |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Total Assets | 353,885 | 339,742 |  |
Current assets | Total Other Non - Financial Assets |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Current assets | 185,264 | 191,364 |  |
Non-current assets | Total Other Non - Financial Assets |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Non-current assets | 168,621 | 148,378 |  |
Advance payments |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Total Assets | 35,472 | 41,934 |  |
Advance payments | Aircraft insurance and other |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Total Assets | 25,992 | 27,122 |  |
Advance payments | Others |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Total Assets | 9,480 | 14,812 |  |
Advance payments | Current assets |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Current assets | 29,732 | 40,161 |  |
Advance payments | Current assets | Aircraft insurance and other |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Current assets | 25,992 | 27,122 |  |
Advance payments | Current assets | Others |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Current assets | 3,740 | 13,039 |  |
Advance payments | Non-current assets |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Non-current assets | 5,740 | 1,773 |  |
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 | 5,740 | 1,773 |  |
Contract assets | GDS costs |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Total Assets | 22,738 | 9,530 |  |
Contract assets | Credit card commissions |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Total Assets | 37,200 | 26,124 |  |
Contract assets | Travel agencies commissions |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Total Assets | 12,421 | 12,912 |  |
Contract assets | Subtotal advance payments |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Total Assets | 72,359 | 48,566 |  |
Contract assets | Current assets | GDS costs |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Current assets | 22,738 | 9,530 |  |
Contract assets | Current assets | Credit card commissions |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Current assets | 37,200 | 26,124 |  |
Contract assets | Current assets | Travel agencies commissions |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Current assets | 12,421 | 12,912 |  |
Contract assets | Current assets | Subtotal advance payments |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Current assets | 72,359 | 48,566 |  |
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 | 95,538 | 128,627 |  |
Other assets | Other taxes |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Total Assets | 1,130 | 1,688 |  |
Other assets | Contributions to the International Aeronautical Telecommunications Society (“SITA”) |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Total Assets | 997 | 997 |  |
Other assets | Contributions to Aeronautical Service Companies |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Total Assets | 60 | 0 |  |
Other assets | Judicial deposits |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Total Assets | 148,329 | 117,930 |  |
Other assets | Subtotal other assets |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Total Assets | 246,054 | 249,242 |  |
Other assets | Current assets | Sales tax |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Current assets | 81,785 | 100,665 |  |
Other assets | Current assets | Other taxes |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Current assets | 1,130 | 1,688 |  |
Other assets | Current assets | Contributions to the International Aeronautical Telecommunications Society (“SITA”) |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Current assets | 258 | 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 | 0 | 26 |  |
Other assets | Current assets | Subtotal other assets |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Current assets | 83,173 | 102,637 |  |
Other assets | Non-current assets | Sales tax |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Non-current assets | 13,753 | 27,962 |  |
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 | 739 | 739 |  |
Other assets | Non-current assets | Contributions to Aeronautical Service Companies |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Non-current assets | 60 | 0 |  |
Other assets | Non-current assets | Judicial deposits |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Non-current assets | 148,329 | 117,904 |  |
Other assets | Non-current assets | Subtotal other assets |  |  |  |
Other Non-Financial Assets [Line Items] |  |  |  |
Non-current assets | $ 162,881 | $ 146,605 |  |

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