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ACCOUNTING ESTIMATES AND JUDGMENTS (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Airport Slots [Member] | Air Transport CGU [Member]
Disclosure of detailed information about intangible assets [line items]
Intangible assets with indefinite useful life	$ 964,513	$ 978,849
Airport Slots [Member] | Coalition and Loyalty Program Multiplus CGU [Member]
Disclosure of detailed information about intangible assets [line items]
Intangible assets with indefinite useful life
Loyalty Program [Member] | Air Transport CGU [Member]
Disclosure of detailed information about intangible assets [line items]
Intangible assets with indefinite useful life
Loyalty Program [Member] | Coalition and Loyalty Program Multiplus CGU [Member]
Disclosure of detailed information about intangible assets [line items]
Intangible assets with indefinite useful life	$ 321,440	$ 326,262

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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

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The amount of intangible assets assessed as having an indefinite useful life. [Refer: Intangible assets other than goodwill]

+ References

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