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Net Income (Loss) Per Share (Details) - CAD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Net income |  |
Net income (loss) - basic | $ 1,613,600 | $ (2,438,964)
Net income (loss) - diluted | $ 1,613,600 | $ (2,438,964)
Weighted average ordinary shares and adjusted weighted average ordinary shares [abstract] |  |
Weighted average common shares - basic (in shares) | 563,674,000 | 560,657,000
Dilutive effect of share awards (in shares) | 7,936,000 | 0
Weighted average common shares - diluted (in shares) | 571,610,000 | 560,657,000
Net income per share |  |
Basic (in cad per share) | $ 2.86 | $ (4.35)
Diluted (in cad per share) | $ 2.82 | $ (4.35)
Instruments with potential future dilutive effect not included in calculation of diluted earnings per share | 0 |

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- Definition The weighted average number of ordinary shares outstanding plus the weighted average number of ordinary shares that would be issued on the conversion of all the dilutive potential ordinary shares into ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2021-01-01 -Paragraph 70 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=33&code=ifrs-tx-2021-en-r&anchor=para_70_b&doctype=Standard -URIDate 2021-03-24 + Details
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