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Employee Benefit Plans (Details) - Schedule of funded statuses of the benefit plans and accrued benefit liabilities balance - CAD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Pension Plans Canadian [Member] |  |
Employee Benefit Plans (Details) - Schedule of funded statuses of the benefit plans and accrued benefit liabilities balance [Line Items] |  |
Present value of funded obligations | $ 348,526 |
Fair value of plan assets | (379,740) |
Surplus deficit in plan | (31,214) |
Present value of unfunded obligations | 1,109 |
(Pension benefits) accrued benefit liabilities | (30,105) |
Pension Plans US [Member] |  |
Employee Benefit Plans (Details) - Schedule of funded statuses of the benefit plans and accrued benefit liabilities balance [Line Items] |  |
Present value of funded obligations | 72,906 |
Fair value of plan assets | (54,979) |
Surplus deficit in plan | 17,927 |
Present value of unfunded obligations |  |
(Pension benefits) accrued benefit liabilities | 17,927 |
Pension Plans Total [Member] |  |
Employee Benefit Plans (Details) - Schedule of funded statuses of the benefit plans and accrued benefit liabilities balance [Line Items] |  |
Present value of funded obligations | 421,432 |
Fair value of plan assets | (434,719) |
Surplus deficit in plan | (13,287) |
Present value of unfunded obligations | 1,109 |
(Pension benefits) accrued benefit liabilities | (12,178) |
Other Post-employment Benefit Plans Canadian [Member] |  |
Employee Benefit Plans (Details) - Schedule of funded statuses of the benefit plans and accrued benefit liabilities balance [Line Items] |  |
Present value of funded obligations |  |
Fair value of plan assets |  |
Surplus deficit in plan |  |
Present value of unfunded obligations | 22,429 |
(Pension benefits) accrued benefit liabilities | 22,429 |
Other Post-employment Benefit Plans US [Member] |  |
Employee Benefit Plans (Details) - Schedule of funded statuses of the benefit plans and accrued benefit liabilities balance [Line Items] |  |
Present value of funded obligations |  |
Fair value of plan assets |  |
Surplus deficit in plan |  |
Present value of unfunded obligations | 4,865 |
(Pension benefits) accrued benefit liabilities | 4,865 |
Other Post-employment Benefit Plans Total [Member] |  |
Employee Benefit Plans (Details) - Schedule of funded statuses of the benefit plans and accrued benefit liabilities balance [Line Items] |  |
Present value of funded obligations |  |
Fair value of plan assets |  |
Surplus deficit in plan |  |
Present value of unfunded obligations | 27,294 |
(Pension benefits) accrued benefit liabilities | $ 27,294 |
Pension Plans Canadian [Member] |  |
Employee Benefit Plans (Details) - Schedule of funded statuses of the benefit plans and accrued benefit liabilities balance [Line Items] |  |
Present value of funded obligations |  | $ 375,222
Fair value of plan assets |  | (354,385)
Surplus deficit in plan |  | 20,837
Present value of unfunded obligations |  | 1,233
(Pension benefits) accrued benefit liabilities |  | 22,070
Pension Plans US [Member] |  |
Employee Benefit Plans (Details) - Schedule of funded statuses of the benefit plans and accrued benefit liabilities balance [Line Items] |  |
Present value of funded obligations |  |
Fair value of plan assets |  |
Present value of unfunded obligations |  |
(Pension benefits) accrued benefit liabilities |  |
Pension Plans Total [Member] |  |
Employee Benefit Plans (Details) - Schedule of funded statuses of the benefit plans and accrued benefit liabilities balance [Line Items] |  |
Present value of funded obligations |  | 375,222
Fair value of plan assets |  | (354,385)
Surplus deficit in plan |  | 20,837
Present value of unfunded obligations |  | 1,233
(Pension benefits) accrued benefit liabilities |  | 22,070
Other Post-employment Benefit Plans Canadian [Member] |  |
Employee Benefit Plans (Details) - Schedule of funded statuses of the benefit plans and accrued benefit liabilities balance [Line Items] |  |
Present value of funded obligations |  |
Fair value of plan assets |  |
Surplus deficit in plan |  |
Present value of unfunded obligations |  | 21,403
(Pension benefits) accrued benefit liabilities |  | 21,403
Other Post-employment Benefit Plans US [Member] |  |
Employee Benefit Plans (Details) - Schedule of funded statuses of the benefit plans and accrued benefit liabilities balance [Line Items] |  |
Present value of funded obligations |  |
Fair value of plan assets |  |
Surplus deficit in plan |  |
Present value of unfunded obligations |  | 4,511
(Pension benefits) accrued benefit liabilities |  | 4,511
Other Post-employment Benefit Plans Total [Member] |  |
Employee Benefit Plans (Details) - Schedule of funded statuses of the benefit plans and accrued benefit liabilities balance [Line Items] |  |
Present value of funded obligations |  |
Fair value of plan assets |  |
Surplus deficit in plan |  |
Present value of unfunded obligations |  | 25,914
(Pension benefits) accrued benefit liabilities |  | $ 25,914

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- Definition The fair value of defined benefit plan assets. Plan assets comprise assets held by a long-term employee benefit fund and qualifying insurance policies. [Refer: At fair value [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 57 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_57_a&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The fair value of any plan assets, less the present value of the defined benefit obligation. [Refer: Plan assets [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 57 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_57_a&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The present value, without deducting any plan assets, of expected future payments required to settle the obligation resulting from employee service in the current and prior periods. [Refer: Plan assets, at fair value] + References No definition available. + Details
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