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TRADE AND OTHER ACCOUNTS RECEIVABLE CURRENT, AND NON-CURRENT ACCOUNTS RECEIVABLE (Details 5) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Disclosure of reconciliation of changes in goodwill [line items]    
Trade accounts receivable $ 1,087,887 $ 945,879
Other accounts receivable 133,054 170,264
Gross Book Value [Member]    
Disclosure of reconciliation of changes in goodwill [line items]    
Trade accounts receivable 1,175,796 1,022,933
Other accounts receivable 133,054 170,264
Accumulated Impairment [Member]    
Disclosure of reconciliation of changes in goodwill [line items]    
Trade accounts receivable (87,909) (77,054)
Other accounts receivable