Consolidated Statements of Cash Flows (Parenthetical)	Apr. 25, 2018 $ / $	Dec. 31, 2017 $ / $	Dec. 31, 2017 Q / $	Dec. 31, 2017 ₡ / $	Dec. 31, 2016 $ / $	Dec. 31, 2016 Q / $	Dec. 31, 2016 ₡ / $
Consolidated Statements of Cash Flows
Convenience translation to U.S. dollars	18.8628	19.7354	7.3448	572.5600	20.6640	7.5221	561.1000

The spot exchange rate at the end of the reporting period. Exchange rate is the ratio of exchange for two currencies. Spot exchange rate is the exchange rate for immediate delivery.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2017-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard
-URIDate 2017-03-09

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