XML 87 R68.htm IDEA: XBRL DOCUMENT v3.10.0.1
Other assets - Intangible assets (Details) - CAD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]    
Cost $ 13,935  
Accumulated Amortization 11,019  
Net book value 2,916 $ 938
Amortization of intangible assets 412 918
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]    
2019 734  
2020 664  
2021 470  
2022 439  
2023 and thereafter 609  
Net book value 2,916 938
Internal-use software    
Finite-Lived Intangible Assets [Line Items]    
Cost 11,925 18,188
Accumulated Amortization 11,019 17,250
Net book value 906 938
Fully amortized intangible asset disposed during the period 6,643  
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]    
Net book value 906 $ 938
Other intangible assets    
Finite-Lived Intangible Assets [Line Items]    
Cost 2,010  
Accumulated Amortization 0  
Net book value 2,010  
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]    
Net book value $ 2,010