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Related party transactions - Key Management Compensation (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Related Party [Abstract] |  |
Maximum obligation, notice period | 12 months |
Maximum obligation, notice period per each year | 1 month |
Number of years due to change in control | 2 years |
Payment equivalent period | 24 months |
Salaries and employee benefits | $ 2,869 | $ 3,420
Post-employment retirement benefits | 49 | 52
Termination benefits | 12 | 516
Share-based compensation (note 20) | 1,353 | 1,749
Key management personnel compensation | $ 4,283 | $ 5,737

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- Definition Key Management Personnel Compensation, Due To Change In Control, Payment Equivalent Period + References No definition available. + Details
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- Definition Key Management Personnel Compensation, Maximum Obligation Notice, Period + References No definition available. + Details
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- Definition Key Management Personnel Compensation, Maximum Obligation Notice, Period Per Each Year + References No definition available. + Details
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- Definition Key Management Personnel Compensation, Number Of Years Due To Change In Control + References No definition available. + Details
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- Definition The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2017-01-01 -Paragraph 17 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=24&date=2017-03-01&anchor=para_17&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of compensation to key management personnel in the form of post-employment benefits. [Refer: Key management personnel of entity or parent [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2017-01-01 -Paragraph 17 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=24&date=2017-03-01&anchor=para_17_b&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of compensation to key management personnel in the form of share-based payments. [Refer: Key management personnel of entity or parent [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2017-01-01 -Paragraph 17 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=24&date=2017-03-01&anchor=para_17_e&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of compensation to key management personnel in the form of short-term employee benefits. [Refer: Key management personnel of entity or parent [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2017-01-01 -Paragraph 17 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=24&date=2017-03-01&anchor=para_17_a&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of compensation to key management personnel in the form of termination benefits. [Refer: Termination benefits expense; Key management personnel of entity or parent [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2017-01-01 -Paragraph 17 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=24&date=2017-03-01&anchor=para_17_d&doctype=Standard -URIDate 2017-03-09 + Details
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