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Common Shares - Shareholder Rights Plan (Details) - Shareholder Rights Plan - Common shares | 12 Months Ended
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Dec. 31, 2017 CAD
Disclosure of classes of share capital [line items] |
Value of common shares received under Shareholder Rights Plan | CAD 200
Purchase price of common shares under Shareholder Rights Plan | CAD 100
Minimum |
Disclosure of classes of share capital [line items] |
Percentage of outstanding common shares at which Shareholder Rights Plan may take effect | 20.00%

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition Purchase Price Of Common Shares Under Shareholder Rights Plan + References No definition available. + Details
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- Definition Shareholder Rights Plan, Percentage Of Outstanding Common Shares Potentially Purchased At Which Shareholder Rights Are Exercisable + References No definition available. + Details
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- Definition Value Of Common Shares Received Under Shareholder Rights Plan + References No definition available. + Details
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- Details
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- Details
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- Details
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