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Investments (Tables)
12 Months Ended
Dec. 31, 2020
Financial Instruments [Abstract]  
Summary of investments
As at December 31, 2020 and 2019, the Company had the following investments:
2020

2019
Investment in PrairieSky Royalty Ltd.
$228 

$345 
Investment in Inter Pipeline Ltd.
77 

145 
$305 $490 
The loss from the investment in PrairieSky was comprised as follows:
2020

2019

2018
Fair value loss from PrairieSky
$117 

$55 

$326 
Dividend income from PrairieSky
(9)

(17)

(17)
$108 $38 $309 
The loss (gain) from the investment in Inter Pipeline was comprised as follows:
2020

2019

2018
Fair value loss (gain) from Inter Pipeline
$68 

$(21)

$43 
Dividend income from Inter Pipeline
(5)

(11)

(11)
$63 $(32)$32