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ACCOUNTING ESTIMATES AND JUDGMENTS (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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Accounting Estimates And Judgments [Line Items] |  |
Deferred income | $ 2,009,242 | $ 1,574,145
Probable change in deferred revenue, one percentage point | 10,150 | 7,453
Registered Fleet |  |
Accounting Estimates And Judgments [Line Items] |  |
Probable change in deferred revenue, one percentage point | 111,000 |
LATAM Pass Loyalty Program |  |
Accounting Estimates And Judgments [Line Items] |  |
Deferred income | 1,099,580 | 1,120,565
Probable change in deferred revenue, one percentage point | 31,510 | 29,571
LATAM Pass Brazil Loyalty Program |  |
Accounting Estimates And Judgments [Line Items] |  |
Deferred income | 179,151 | 140,486
Probable change in deferred revenue, one percentage point | $ 5,125 | $ 3,772

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