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v3.19.1

Board of Directors, Senior Management and Key management personnel (Details Textual) Pure in Thousands, $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2018 Employees | Dec. 31, 2017 Employees
Related party disclosures [Line Items] |  |  |  |
Key management personnel compensation | $ 27,907 | $ 27,367 |  |
Number of employees | 123 | 115 | 5,290 | 4,921
Additional Director Remuneration | $ 825 |  |  |
Chairman [Member] | Variable compensation [Member] |  |  |  |
Related party disclosures [Line Items] |  |  |  |
Key management personnel compensation, Percentage | 0.12% |  |  |
Directors [Member] | Variable compensation [Member] |  |  |  |
Related party disclosures [Line Items] |  |  |  |
Key management personnel compensation, Percentage | 0.06% |  |  |
Directors committee [Member] | Variable compensation [Member] |  |  |  |
Related party disclosures [Line Items] |  |  |  |
Key management personnel compensation, Percentage | 0.02% |  |  |
Health, Safety and Environmental Matters Committee [Member] | Fixed compensation [Member] |  |  |  |
Related party disclosures [Line Items] |  |  |  |
Key management personnel compensation | $ 50 |  |  |
Corporate Governance Committee [Member] | Fixed compensation [Member] |  |  |  |
Related party disclosures [Line Items] |  |  |  |
Key management personnel compensation | 50 |  |  |
Executives [Member] |  |  |  |
Related party disclosures [Line Items] |  |  |  |
Key management personnel compensation | $ 27,907 | $ 27,367 |  |
Number of employees | Employees |  |  | 122 | 120

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