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PROPERTY, PLANT AND EQUIPMENT (Details) - Schedule of fully depreciated assets and commitments for future purchases - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Schedule of fully depreciated assets and commitments for future purchases [Abstract]    
Gross book value of fully depreciated property, plant and equipment still in use $ 261,792 $ 192,606
Commitments for the acquisition of aircraft [1],[2] $ 7,390,000 $ 14,400,000
[1] According to the manufacturer's price list.
[2] The current commitments do not consider 10 Airbus aircraft of the A350 family, included in a sales contract with Delta Air Lines, Inc.