Quarterly report pursuant to Section 13 or 15(d)

Investments (Narrative) (Details)

v3.20.2
Investments (Narrative) (Details)
$ in Millions, $ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2020
USD ($)
Sep. 30, 2020
USD ($)
Sep. 30, 2020
CAD ($)
Dec. 31, 2019
USD ($)
Tess Inc [Member]        
Business Acquisition [Line Items]        
Amount of Investment $ 0.1 $ 0.1   $ 0.1
Coinsquare [Member]        
Business Acquisition [Line Items]        
Amount of Investment $ 9.4 $ 9.4   $ 9.4
Ownership interest percentage 11.80% 11.80%    
Penalties and costs related to investment     $ 2.2  
Percentage of impairment of investments 100.00% 100.00%    
Impairment expense $ 9.4 $ 9.4    
Verady, LLC [Member]        
Business Acquisition [Line Items]        
Amount of Investment $ 0.2 $ 0.2