XML 118 R70.htm IDEA: XBRL DOCUMENT v3.20.1
New accounting standards (Narrative) (Details) - CAD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2019
Disclosure of initial application of standards or interpretations [line items]    
Lease liabilities   $ 10,126
Deferred tax assets $ 10,274 $ 31,897
Operating lease commitment [Member]    
Disclosure of initial application of standards or interpretations [line items]    
Minimum lease payments payable under non-cancellable operating lease 13,000  
Expense relating to short-term leases for which recognition exemption has been used $ 600  
Incremental borrowing rate of right of use assets for property leases 4.79%  
Right-of-use assets $ 9,400  
Lease liabilities 10,000  
Deferred tax assets 100  
Decrease in net assets due to the presentation of the lease liability as a current liability 400  
Decrease in net current assets due to the presentation of the lease liability as a current liability $ 700