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SEGMENTAL INFORMATION (Details) - Schedule of income from ordinary activities - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Air Transportation [Member]      
Net cash flows from      
Purchases of property, plant and equipment $ 1,276,621    
Additions associated with maintenance 453,827    
Other additions 822,794    
Purchases of intangible assets 140,173    
Net cash flows from (used in) operating activities 2,826,667    
Net cash flow from (used in) investing activities (1,419,207)    
Net cash flows from (used in) financing activities $ (1,343,521)    
Air Transportation [Member] | Restated [Member]      
Net cash flows from      
Purchases of property, plant and equipment   $ 660,707 $ 403,666
Additions associated with maintenance   375,634 217,687
Other additions   285,073 185,979
Purchases of intangible assets   96,206 96,206
Net cash flows from (used in) operating activities   2,073,316 2,186,823
Net cash flow from (used in) investing activities   (358,368) (293,925)
Net cash flows from (used in) financing activities   (1,608,597) (1,692,668)
Air Transportation [Member] | Previously stated [member]      
Net cash flows from      
Purchases of property, plant and equipment   660,631 403,282
Additions associated with maintenance   375,634 218,537
Other additions   284,997 184,745
Purchases of intangible assets   85,628 79,102
Net cash flows from (used in) operating activities   1,950,532 1,489,797
Net cash flow from (used in) investing activities   (348,346) (278,790)
Net cash flows from (used in) financing activities   (1,512,898) (1,010,705)
Operating segments [member]      
Net cash flows from      
Purchases of property, plant and equipment   76 384
Other additions   76 384
Purchases of intangible assets   10,578 8,216
Net cash flows from (used in) operating activities   111,161 186,367
Net cash flow from (used in) investing activities   (10,022) (8,632)
Net cash flows from (used in) financing activities   (95,699) (168,383)
Elimination of intersegment amounts [member]      
Net cash flows from      
Net cash flows from (used in) operating activities   $ 11,623 $ (9,424)