Leases - Future Commitments (Details) - CAD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Disclosure of maturity analysis of operating lease payments [line items]
Lease obligations	$ 11,850	$ 14,568
Amounts representing interest over the term of the lease	(774)	(685)
Present value of net lease payments	11,076	13,883
Less current portion of lease obligations	4,289	5,798
Lease obligations	6,787	8,085
Less than 1 year
Disclosure of maturity analysis of operating lease payments [line items]
Lease obligations	4,504	6,216
1-3 years
Disclosure of maturity analysis of operating lease payments [line items]
Lease obligations	4,302	7,748
3-5 years
Disclosure of maturity analysis of operating lease payments [line items]
Lease obligations	3,044	604
After 5 years
Disclosure of maturity analysis of operating lease payments [line items]
Lease obligations	$ 0	$ 0

Lessee, Operating Lease, Liability, Undiscounted Excess Amount

No definition available.

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- Definition

The amount of current lease liabilities. [Refer: Lease liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2020-01-01
-Paragraph 47
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-URIDate 2020-01-01

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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.

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- Definition

The amount of contractual undiscounted cash flows in relation to lease liabilities before deducting finance charges. [Refer: Lease liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2020-01-01
-Paragraph 58
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-URIDate 2020-01-01

Reference 2: http://www.xbrl.org/2003/role/exampleRef
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- Definition

The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration.

+ References

+ Details

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- Definition

The amount of non-current lease liabilities. [Refer: Lease liabilities]

+ References

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