Financial instruments (Details 26) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Financial instruments [Line Items]
Financial assets pledged as collateral for liabilities or contingent liabilities	$ 771	$ 685
Isapre Norte Grande Ltda. [Member] \| Restricted cash [Member]
Financial instruments [Line Items]
Financial assets pledged as collateral for liabilities or contingent liabilities	$ 771	$ 685

The amount of financial assets that the entity has pledged as collateral for liabilities or contingent liabilities, including amounts that have been reclassified in accordance with paragraph 3.2.23(a) of IFRS 9. [Refer: Contingent liabilities [member]; Financial assets]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2017-01-01
-Paragraph 14
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-01&anchor=para_14_a&doctype=Standard
-URIDate 2017-03-09

Name:	ifrs-full_FinancialAssetsPledgedAsCollateralForLiabilitiesOrContingentLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant