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Income taxes - Income Tax Expense (Recovery) Attributable to Income (Loss) (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Income Tax Expenses [Line Items]    
Current $ (9,740) $ 7,843
Deferred (76,560) (69,356)
Total (86,300) (61,513)
Canada    
Income Tax Expenses [Line Items]    
Current 4,352 4,184
Deferred (59,488) (74,595)
Total (55,136) (70,411)
United States    
Income Tax Expenses [Line Items]    
Current (14,820) 1,579
Deferred (23,099) 6,183
Total (37,919) 7,762
Other regions    
Income Tax Expenses [Line Items]    
Current 728 2,080
Deferred 6,027 (944)
Total $ 6,755 $ 1,136