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PROPERTY, PLANT AND EQUIPMENT (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
PROPERTY, PLANT AND EQUIPMENT (Details) [Line Items] |  |  |
Depreciation expenses | $ 1,221,991 | $ 1,155,061 | $ 1,462,562
Indirect existing debt | 1,762,611 | 1,633,504 |
Indirect book value | $ 3,866,237 | 3,258,950 |
Bottom of range [member] |  |  |
PROPERTY, PLANT AND EQUIPMENT (Details) [Line Items] |  |  |
Financial leasing contracts term | 12 years |  |
Top of range [member] |  |  |
PROPERTY, PLANT AND EQUIPMENT (Details) [Line Items] |  |  |
Financial leasing contracts term | 18 years |  |
Right-of-use assets [member] |  |  |
PROPERTY, PLANT AND EQUIPMENT (Details) [Line Items] |  |  |
Depreciation expenses | $ 400,384 | 391,138 | 375,510
Construction in progress [member] |  |  |
PROPERTY, PLANT AND EQUIPMENT (Details) [Line Items] |  |  |
Pre-delivery payments to aircraft manufacturers | 348,148 | 612,236 |
Depreciation expenses |  |  |
Airbus SAS [Member] | Aircraft Purchase Agreement [Member] |  |  |
PROPERTY, PLANT AND EQUIPMENT (Details) [Line Items] |  |  |
Manufacturers price property, plant and equipment | 5,640,000 |  |
The Boeing Company [Member] | Aircraft Purchase Contracts [Member] |  |  |
PROPERTY, PLANT AND EQUIPMENT (Details) [Line Items] |  |  |
Manufacturers price property, plant and equipment | $ 1,750,000 |  |

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- Definition Information pertaining to financial leasing contract term. + References No definition available. + Details
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- Definition It represents the amount of indirect fair value of property plant and equipment materially different from carrying amount. + References No definition available. + Details
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- Definition Amount of predelivery payments to aircraft manufacturers. + References No definition available. + Details
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