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Decommissioning Obligations (Tables)
 12 Months Ended
Dec. 31, 2019
Decommissioning Obligations  
Schedule of decommissioning obligations

 

 

 

 

 

 

 

 

    

2019

    

2018

Decommissioning obligations, beginning of year

 

$

13,641

 

$

13,699

Changes in estimates

 

 

1,167

 

 

(338)

Accretion

 

 

210

 

 

280

Decommissioning obligations, end of year

 

$

15,018

 

$

13,641