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Summary of Movement in Temporary Differences of Deferred Tax Liabilities (Detail) - CAD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Disclosure Of Temporary Difference Unused Tax Losses And Unused Tax Credits [Line Items]    
Beginning Balance $ 28,491 $ 11,352
Recognized in net earnings (loss) (27,959) 15,788
Acquisition 964  
Foreign exchange (1,643) 1,351
Ending Balance (147) 28,491
Property, Plant and Equipment and Intangibles [member]    
Disclosure Of Temporary Difference Unused Tax Losses And Unused Tax Credits [Line Items]    
Beginning Balance 364,278 359,383
Recognized in net earnings (loss) (11,063) (10,047)
Acquisition 9,865  
Foreign exchange (4,910) 14,942
Ending Balance 358,170 364,278
Partnership Deferrals [member]    
Disclosure Of Temporary Difference Unused Tax Losses And Unused Tax Credits [Line Items]    
Beginning Balance 21,768 11,082
Recognized in net earnings (loss) (21,768) 10,686
Ending Balance 0 21,768
Other Deferred Tax Liabilities [Member]    
Disclosure Of Temporary Difference Unused Tax Losses And Unused Tax Credits [Line Items]    
Beginning Balance 6,284 6,221
Recognized in net earnings (loss) (231) 51
Acquisition 694  
Foreign exchange (6) 12
Ending Balance 6,741 6,284
Losses [member]    
Disclosure Of Temporary Difference Unused Tax Losses And Unused Tax Credits [Line Items]    
Beginning Balance (318,967) (340,406)
Recognized in net earnings (loss) (6,792) 33,827
Acquisition (9,358)  
Foreign exchange 2,925 (12,388)
Ending Balance (332,192) (318,967)
Debt Issue Costs [Member]    
Disclosure Of Temporary Difference Unused Tax Losses And Unused Tax Credits [Line Items]    
Beginning Balance 1,303 1,457
Recognized in net earnings (loss) (375) (154)
Ending Balance 928 1,303
Long-Term Incentive Plan [member]    
Disclosure Of Temporary Difference Unused Tax Losses And Unused Tax Credits [Line Items]    
Beginning Balance (36,542) (14,264)
Recognized in net earnings (loss) 14,583 (21,583)
Foreign exchange 189 (695)
Ending Balance (21,770) (36,542)
Other Deferred Tax Assets [Member]    
Disclosure Of Temporary Difference Unused Tax Losses And Unused Tax Credits [Line Items]    
Beginning Balance (9,633) (12,121)
Recognized in net earnings (loss) (2,313) 3,008
Acquisition (237)  
Foreign exchange 159 (520)
Ending Balance $ (12,024) $ (9,633)