v3.3.1.900
GOODWILL Table (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Goodwill [Roll Forward]      
Goodwill $ 1,050,682 $ 971,474 $ 971,474
Accumulated impairment losses (354,045) (354,045) (354,045)
Linden Acquisition final purchase price allocation 79,208    
Net goodwill 696,637 617,429 617,429
Pipeline Segment      
Goodwill [Roll Forward]      
Goodwill 306,207 306,207 306,207
Accumulated impairment losses 0 0 0
Linden Acquisition final purchase price allocation 0    
Net goodwill 306,207 306,207 306,207
Storage Segment      
Goodwill [Roll Forward]      
Goodwill 691,220 612,012 612,012
Accumulated impairment losses (331,913) (331,913) (331,913)
Linden Acquisition final purchase price allocation 79,208    
Net goodwill 359,307 280,099 280,099
Fuels Marketing Segment      
Goodwill [Roll Forward]      
Goodwill 53,255 53,255 53,255
Accumulated impairment losses (22,132) (22,132) (22,132)
Linden Acquisition final purchase price allocation 0    
Net goodwill $ 31,123 $ 31,123 $ 31,123