Annual reports filed by certain Canadian issuers pursuant to Section 15(d) and Rule 15d-4

Related parties - Narrative (Details)

v3.19.1
Related parties - Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Disclosure of transactions between related parties [line items]    
Key management personnel compensation $ 8,338 $ 8,582
Executive officers and directors [Member]    
Disclosure of transactions between related parties [line items]    
Key management personnel compensation   6,812
Key management personnel of entity or parent [member]    
Disclosure of transactions between related parties [line items]    
Legal fees 152 $ 255
Joint ventures where entity is venturer    
Disclosure of transactions between related parties [line items]    
Contingent consideration payable $ 7,850