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Share-Based Compensation Plan - Additional Information (Details) $ / shares in Units, shares in Thousands | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2022 CAD ($) shares share $ / shares | Dec. 31, 2022 CAD ($) shares share $ / shares | Dec. 31, 2021 CAD ($) shares share $ / shares | Dec. 31, 2020 shares
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Compensation expense related to share awards |  | $ 29,056,000 | $ 11,130,000 |
Cash compensation expense related to share awards |  | $ 25,900,000 | $ 4,700,000 |
Closing share price (in dollars per share) | $ / shares | $ 6.08 | $ 6.08 | $ 3.91 |
Transfers for liability-classified awards |  | $ (4,791,000) | $ 0 |
Number of other equity instruments outstanding in share-based payment arrangement | shares | 5,558 | 5,558 | 9,474 | 8,210
Granted (in shares) | shares |  | 1,459 | 4,067 |
Financial derivatives | $ 0 | $ 0 | $ 134,020,000 |
Contributed surplus |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Transfers for liability-classified awards | 4,800,000 | $ (4,791,000) |  |
Minimum |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Payout multiplier |  | 0.00% |  |
Maximum |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Payout multiplier |  | 200.00% |  |
Incentive Award Plan |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Weighted average fair value of share awards (in cad per share) | $ 5.70 | $ 5.70 | $ 1.33 |
Number of other equity instruments outstanding in share-based payment arrangement | share | 5,100,000 | 5,100,000 | 6,400,000 |
Granted (in shares) | share |  | 1,400,000 | 5,000,000 |
Deferred Share Unit Plan |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Weighted average fair value of share awards (in cad per share) | $ 5.68 | $ 5.68 | $ 1.29 |
Number of other equity instruments outstanding in share-based payment arrangement | share | 1,000,000 | 1,000,000 | 800,000 |
Granted (in shares) | share |  | 200,000 | 900,000 |
Incentive Award Plan And DSU Plan |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Current derivative financial assets |  |  | $ 6,500,000 |
Financial derivatives | $ 0 | $ 0 |  |
Current derivative financial assets, realized portion of swap | 21,200,000 | $ 21,200,000 |  |
Restricted awards |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Number of common shares entitled by restricted award | share |  | 1 |  |
Weighted average fair value of share awards (in cad per share) | $ 6.08 | $ 6.08 | $ 1.31 |
Number of other equity instruments outstanding in share-based payment arrangement | shares | 762 | 762 | 2,093 | 4,122
Granted (in shares) | shares |  | 68 | 0 |
Performance awards |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Number of other equity instruments outstanding in share-based payment arrangement | shares | 4,796 | 4,796 | 7,381 | 4,088
Granted (in shares) | shares |  | 1,391 | 4,067 |
Performance awards | Minimum |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Number of common shares entitled by restricted award | share |  | 0 |  |
Performance awards | Maximum |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Number of common shares entitled by restricted award | share |  | 2 |  |

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