EARNINGS PER SHARE (Details) - shares	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016
Earnings per share [abstract]
Issued common shares at January 1	49,116	42,988
Effect of shares issued	3,532	3,167
Weighted average number of common shares outstanding at December 31	52,648	46,155

The number of dilutive potential ordinary shares that relate to the assumed exercise of the entity's share options.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 33
-IssueDate 2016-01-13
-Paragraph 70
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=33&date=2016-03-30&anchor=para_70_b&doctype=Standard
-URIDate 2016-03-31

Name:	ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration