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Summary of Net Deferred Tax Liability (Detail) - CAD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Deferred tax liability: |  |
Property, plant and equipment and intangibles | $ 359,383 | $ 393,631
Debt issue costs | 1,457 | 2,665
Partnership deferrals | 11,082 | 2,532
Other | 6,221 | 6,322
Deferred income tax liability | 378,143 | 405,150
Offsetting of assets and liabilities | (365,924) | (383,914)
Deferred tax liabilities | 12,219 | 21,236
Deferred tax assets: |  |
Losses (expire from time to time up to 2041) | 340,406 | 370,439
Long-term incentive plan | 14,264 | 4,956
Other | 12,121 | 9,617
Deferred income tax asset | 366,791 | 385,012
Offsetting of assets and liabilities | (365,924) | (383,914)
Deferred tax assets | 867 | 1,098
Net deferred tax liability | $ 11,352 | $ 20,138

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- Definition The amounts of income taxes recoverable in future periods in respect of: (a) deductible temporary differences; (b) the carryforward of unused tax losses; and (c) the carryforward of unused tax credits. [Refer: Temporary differences [member]; Unused tax credits [member]; Unused tax losses [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2021-01-01 -Paragraph 81 -Subparagraph g -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_g_i&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 54 -Subparagraph o -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_o&doctype=Standard -URIDate 2021-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 56 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_56&doctype=Standard -URIDate 2021-03-24 + Details
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