Note 15 - Current Tax Assets and Liabilities - Summary of Current Tax Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Statement Line Items [Line Items]
Income tax liabilities	$ 182,711	$ 35,210
V.A.T. liabilities	18,091	14,313
Other taxes	49,431	52,882
	$ 250,233	$ 102,405

The current amount of current tax liabilities. [Refer: Current tax liabilities]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2017-01-01
-Paragraph 54
-Subparagraph n
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_54_n&doctype=Standard
-URIDate 2017-03-09

Name:	ifrs-full_CurrentTaxLiabilitiesCurrent
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant