XML 201 R184.htm IDEA: XBRL DOCUMENT v3.8.0.1
COSTS AND EXPENSES BY NATURE (Details 1) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Material income and expense [abstract]      
Depreciation [1] $ 943,215 $ 910,071 $ 897,670
Amortization 58,410 50,257 36,736
Total $ 1,001,625 $ 960,328 $ 934,406
[1] Include the depreciation of Property, plant and equipment and the maintenance cost of aircraft held under operating leases. The amount of maintenance cost included within the depreciation line item at December 31, 2017 is ThUS$ 359,940 and ThUS$ 345,651 for the same period of 2016.