Shareholders' Equity (Details) - CAD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Shareholders' Equity
Total number of common shares held as treasury stock	65,647	65,647
Total carrying amount of treasury stock	$ 2,643	$ 2,643

An entity’s own equity instruments, held by the entity or other members of the consolidated group.

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