Gains (losses) from operating activities in the statement of income, included according to their nature (Details 7) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement [Line Items]
(Impairment loss)/ gain on reversal of financial assets	$ 1,057	$ (2,967)	$ 8,038
Investments In Associates [Member]
Statement [Line Items]
(Impairment loss)/ gain on reversal of financial assets	$ (1,057)	$ 2,967	$ (8,038)

The amount of impairment loss, impairment gain or reversal of impairment loss that is recognised in profit or loss in accordance with paragraph 5.5.8 of IFRS 9 and that arises from applying the impairment requirements in Section 5.5 of IFRS 9.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 82
-Subparagraph ba
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_82_ba&doctype=Standard
-URIDate 2019-03-27

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