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NON-CURRENT ASSETS AND DISPOSAL GROUP CLASSIFIED AS HELD FOR SALE (Details Narrative)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
USD ($)
Employee
Dec. 31, 2016
USD ($)
Aircraft
Building
Disclosure of detailed information about property, plant and equipment [line items]    
Assets write down adjustment | $   $ 55,000
Assets reclassified from property, plant and equipment net realizable value | $ $ 17,400  
Assets reclassified from inventories net realizable value | $ $ 1,300  
Airbus A319 [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Number of assets classified as held for sale   2
Number of assets sold   2
Airbus A320 [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Number of assets classified as held for sale   2
Number of assets sold   1
Airbus A330 [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Number of assets classified as held for sale   6
Number of assets sold 2 2
Boeing 777 [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Number of assets classified as held for sale   2
Airbus A330 (Spare Engines)[Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Number of assets classified as held for sale   8
Number of assets sold 7 1
Airbus A330 (Rotables)[Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Number of assets classified as held for sale   8
Buildings [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Number of assets classified as held for sale | Building   2
D200 Rotables [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Number of assets sold   1