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Derivative financial instruments (Tables) | 12 Months Ended
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Dec. 31, 2018
Disclosure of detailed information about financial instruments [abstract] |
Details of derivative instruments | The following is a summary, by maturity dates, of the Company’s forward contracts outstanding as at December 31, 2018:
|  | 2019 |  |  | 2020 |  |  | Total |
Forward – fuel oil: |  |  |  |  |  |
Litres (thousands) |  | 35,800 |  |  | 16,438 |  |  | 52,238 |
Average strike price |  | $ | 0.32 |  |  | $ | 0.33 |  |  | $ | 0.32 |
Forward – gas oil: |  |  |  |  |  |
Litres (thousands) |  | 19,383 |  |  | 7,598 |  |  | 26,981 |
Average strike price |  | $ | 0.43 |  |  | $ | 0.51 |  |  | $ | 0.45 |
Forward – diesel: |  |  |  |  |  |
Litres (thousands) |  | 2,856 |  |  | 1,599 |  |  | 4,455 |
Average strike price |  | $ | 0.50 |  |  | $ | 0.57 |  |  | $ | 0.53 |

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- Definition The disclosure of detailed information about hedging instruments. [Refer: Hedging instruments [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2018-01-01 -Name IFRS -Number 7 -IssueDate 2017-01-01 -Paragraph 24A -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-01&anchor=para_24A&doctype=Standard -URIDate 2017-03-09 + Details
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