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Share Based Payments - Schedule of Number of Other Equity Instruments (Details) | 12 Months Ended
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Dec. 31, 2017 CAD ($) shares | Dec. 31, 2016 CAD ($) shares | Dec. 31, 2015 shares
Restricted share units |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Outstanding, beginning of the year (shares) | 1,322,829 | 368,831 | 0
Granted during the year (shares) | 486,238 | 1,053,998 | 368,831
Forfeited during the year (shares) | 0 | 0 | 0
Vested during the year (shares) | 0 | (100,000) | 0
Outstanding, end of the year (shares) | 1,809,067 | 1,322,829 | 368,831
Weighted average fair value at measurement date, other equity instruments granted | $ | $ 0.63 | $ 0.31 |
Performance share units |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Outstanding, beginning of the year (shares) | 840,000 | 0 | 0
Granted during the year (shares) | 60,000 | 1,500,000 | 0
Forfeited during the year (shares) | 0 | (660,000) | 0
Outstanding, end of the year (shares) | 900,000 | 840,000 | 0
Weighted average fair value at measurement date, other equity instruments granted | $ | $ 0.35 | $ 0.36 |

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- Definition The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2017-01-01 -Paragraph 47 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2017-03-01&anchor=para_47_b&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2017-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2017-03-01&anchor=para_45&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The number of other equity instruments (ie other than share options) exercised or vested in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2017-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2017-03-01&anchor=para_45&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The number of other equity instruments (ie other than share options) forfeited in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2017-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2017-03-01&anchor=para_45&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The number of other equity instruments (ie other than share options) outstanding in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2017-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2017-03-01&anchor=para_45&doctype=Standard -URIDate 2017-03-09 + Details
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