XML 48 R35.htm IDEA: XBRL DOCUMENT v3.20.2
UNCONSOLIDATED AFFILIATES (Tables)
 6 Months Ended
Jun. 30, 2020
Equity In Net Earnings From Investments  
Schedule of Equity Method Investments [Line Items]  
Schedule of Equity Method Investments [Table Text Block] The following table sets forth our equity in net earnings (loss) from investments for the periods indicated:
 
Three Months Ended
 
Six Months Ended
 
June 30,
 
June 30,
 
2020
 
2019
 
2020
 
2019
 
(Thousands of dollars)
Northern Border Pipeline
$
12,871

 
$
13,689

 
$
34,991

 
$
34,491

Overland Pass Pipeline
7,972

 
15,465

 
22,083

 
32,859

Roadrunner
6,809

 
6,077

 
13,242

 
12,415

Other
(2,324
)
 
(1,113
)
 
(361
)
 
(2,166
)
Equity in net earnings from investments
$
25,328

 
$
34,118

 
$
69,955

 
$
77,599

Impairment of equity investments
$
—

 
$
—

 
$
(37,730
)
 
$
—