v3.19.3.a.u2
GOODWILL (Tables)
12 Months Ended
Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill [Table Text Block]

Changes in the carrying amount of goodwill by segment were as follows:
 
Pipeline
 
Storage
 
Total
 
(Thousands of Dollars)
Balances as of January 1, 2018
$
707,045

 
$
301,622

 
$
1,008,667

 
 
 
 
 
 
Activity for the year ended December 31, 2018:
 
 
 
 
 
Navigator Acquisition purchase price allocation adjustments (Note 6)
(2,814
)
 

 
(2,814
)
 
 
 
 
 
 
Balances as of December 31, 2018 and 2019
$
704,231

 
$
301,622

 
$
1,005,853