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Share-Based Compensation - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2022 CAD ($) shares $ / shares | Dec. 31, 2021 CAD ($) shares $ / shares | Dec. 31, 2020
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Share based compensation by share based award number of options granted during the period | shares |  | 654,847 |
Share based compensation by share based award weighted average fair value of stock options granted during the period | $ / shares |  | $ 2.89 |
Allocated share based compensation | $ 16,162,000 | $ 12,937,000 |
Number of Shares Of Cash Settled During The Period | shares | 572,260 |  |
Deferred Share Units [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Allocated share based compensation | $ 3,622,000 | 3,053,000 |
Share based compensation by share based award equity instruments other than options granted | shares | 307,037 |  |
Settlement of liability in respect of share based transactions | $ 600,000 | 0 |
Deferred Share Units [Member] | Current Liabilities [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Liabilities from share based transaction | 3,400,000 | 0 |
Deferred Share Units [Member] | Director And Executive [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Allocated share based compensation | 2,200,000 | 2,100,000 |
Phantom Share Entitlement Plan [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Allocated share based compensation | $ 117,000 | $ 102,000 |
Share based compensation by share based award equity instruments other than options granted | shares | 0 | 24,715 |
Intrinsic value of liabilities from share based payment transactions | $ 800,000 | $ 900,000 |
Phantom Share Entitlement Plan [Member] | Current Liabilities [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Liabilities from share based transaction | 300,000 | 200,000 |
Performance Share Units [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Allocated share based compensation | $ 4,172,000 | 3,470,000 |
Share based compensation by share based award equity instruments other than options granted | shares | 634,382 |  |
Share based compensation number of days within which award will be settled from the date of determination of vesting percentage |  |  | 14 days
Settlement of liability in respect of share based transactions | $ 2,200,000 | 1,000,000 |
Performance Share Units [Member] | Current Liabilities [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Liabilities from share based transaction | 4,000,000 | 2,000,000 |
Performance Share Units [Member] | Top of range [member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Share based compensation by share based award vesting percentage |  |  | 200.00%
Restricted Share Units [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Allocated share based compensation | $ 4,454,000 | 2,751,000 |
Share based compensation by share based award equity instruments other than options granted | shares | 995,336 |  |
Restricted Share Units [Member] | Current Liabilities [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Liabilities from share based transaction | $ 4,300,000 | $ 1,300,000 |
Restricted Share Units [Member] | Directors And Certain Key Executives [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Share based compensation by share based award equity instruments other than options granted | shares | 995,336 | 472,819 |
Settlement of liability in respect of share based transactions | $ 2,400,000 | $ 2,300,000 |
Cash Performance Target Plan [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Settlement of liability in respect of share based transactions | 1,600,000 | $ 1,500,000 |
Share based compensation by share based equity instruments other than options granted during the period value | $ 3,100,000 |  |
Share based compensation by share based award weighted average fair value of equity instruments other than options granted | $ / shares | $ 6.29 | $ 7.85 |
Cash Performance Target Plan [Member] | Current Liabilities [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Liabilities from share based transaction |  | $ 2,200,000 |
Employee Share Purchase Plan [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Share Based Compensation Employer Contribution | $ 1,000 |  |

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- Definition The intrinsic value of liabilities arising from share-based transactions for which the counterparty's right to cash or other assets had vested by the end of the period (for example, vested share appreciation rights). The intrinsic value is the difference between the fair value of the shares to which the counterparty has the (conditional or unconditional) right to subscribe, or which it has the right to receive, and the price (if any) that the counterparty is (or will be) required to pay for those shares. Share-based payment transactions are transactions in which the entity: (a) receives goods or services from the supplier of those goods or services (including an employee) in a share-based payment arrangement; or (b) incurs an obligation to settle the transaction with the supplier in a share-based payment arrangement when another group entity receives those goods or services, for which the counterparty's right to cash or other assets had vested by the end of the period (for example, vested share appreciation rights). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2022-03-24 -Paragraph 51 -Subparagraph b -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2022-en-r&anchor=para_51_b_ii&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of liabilities arising from share-based payment transactions. Share-based payment transactions are transactions in which the entity: (a) receives goods or services from the supplier of those goods or services (including an employee) in a share-based payment arrangement; or (b) incurs an obligation to settle the transaction with the supplier in a share-based payment arrangement when another group entity receives those goods or services. [Refer: Share-based payment arrangements [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2022-03-24 -Paragraph 51 -Subparagraph b -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2022-en-r&anchor=para_51_b_i&doctype=Standard -URIDate 2022-03-24 + Details
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