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COSTS AND EXPENSES BY NATURE (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Material income and expense [abstract] |  |  |
Aircraft fuel | $ 2,983,028 | $ 2,318,816 | $ 2,056,643
Other rentals and landing fees | 1,217,647 | 1,172,129 | 1,077,407
Aircraft rentals | 538,347 | 579,551 | 568,979
Aircraft maintenance | 382,242 | 430,825 | 366,153
Comissions | 222,506 | 252,474 | 269,296
Passenger services | 280,279 | 288,662 | 286,621
Other operating expenses | 1,237,430 | 1,381,546 | 1,424,595
Total | $ 6,861,479 | $ 6,424,003 | $ 6,049,694

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- Definition The amount of all operating expenses. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 85 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_85&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The amount of operating income (expense) that the entity does not separately disclose in the same statement or note. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 85 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_85&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition It represents the amount of aircraft fuel expense. + References No definition available. + Details
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- Definition It represents the amount of aircraft maintenance expense. + References No definition available. + Details
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- Definition It represents the aircraft rentals expense. + References No definition available. + Details
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- Definition It represents the amount of comissions expense. + References No definition available. + Details
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- Definition It represents the amount of other rentals and landing fees expense. + References No definition available. + Details
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- Definition It represents the amount of passenger services expense. + References No definition available. + Details
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