XML 90 R68.htm IDEA: XBRL DOCUMENT v3.20.4
Investments in affiliates and joint ventures - Narrative (Details) - Equity method investments
$ in Thousands
Dec. 31, 2020
CAD ($)
NAYL Realty Inc.  
Variable Interest Entity [Line Items]  
Cash $ 1,810
BNA Remanufacturing Limited Partnership  
Variable Interest Entity [Line Items]  
Property, plant and equipment $ 980