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Other Income and (Expenses) (Tables)
 12 Months Ended
Dec. 31, 2019
Analysis of income and expense [abstract]  
Schedule of other income and (expenses)
 
 
2019

 
2018

Change in closure and decommissioning estimates
 
$
(221
)
 
$
(2,968
)
Royalties income
 
909

 
631

Other expense
 
(5,624
)
 
(1,322
)
Total
 
$
(4,936
)
 
$
(3,659
)