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Investments in and Advances to Equity Accounted Joint Venture (Tables)
6 Months Ended
Jun. 30, 2019
Equity Method Investments and Joint Ventures [Abstract]  
Schedule of Investments in and Advances to Equity Accounted Investments
 
 
As at June 30, 2019
 
As at December 31, 2018
 
 
$
 
$
High-Q Joint Venture
 
26,351

 
25,766