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 |