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Disclosure of Deferred Base Rent Balance Under Straight-line Amortize Over Lease Term (Detail) - CAD ($)
$ in Thousands
Dec. 31, 2019
Jan. 01, 2019
Dec. 31, 2018
Disclosure Of Significant Accounting Policies [Abstract]      
Right of use asset $ 66,142 $ 73,464 $ 0
Accounts payable and accrued liabilities (199,478) (2,800) (274,489)
Lease obligation   (73,464)  
Deficit $ (969,456) $ 2,800 $ (978,874)