| Schedule of Segment Reporting Information, by Segment [Text Block] |
Results of operations for the reportable segments were as follows: | | | | | | | | | | | | | | Year Ended December 31, | | 2013 | | 2012 | | 2011 | | (Thousands of Dollars) | Revenues: | | | | | | Storage: | | | | | | Third parties | $ | 518,253 |
| | $ | 517,699 |
| | $ | 500,303 |
| Intersegment | 32,044 |
| | 59,168 |
| | 46,324 |
| Related party | 6,252 |
| | 1,199 |
| | — |
| Total storage | 556,549 |
| | 578,066 |
| | 546,627 |
| Pipeline: | | | | | | Third parties | 411,529 |
| | 340,455 |
| | 311,449 |
| Intersegment | — |
| | — |
| | 65 |
| Total pipeline | 411,529 |
| | 340,455 |
| | 311,514 |
| Fuels marketing: | | | | | | Third parties | 2,519,053 |
| | 5,085,592 |
| | 5,445,877 |
| Intersegment | — |
| | — |
| | 9,782 |
| Related party | 8,645 |
| | 791 |
| | — |
| Total fuels marketing | 2,527,698 |
| | 5,086,383 |
| | 5,455,659 |
| Consolidation and intersegment eliminations | (32,044 | ) | | (59,168 | ) | | (56,171 | ) | Total revenues | $ | 3,463,732 |
| | $ | 5,945,736 |
| | $ | 6,257,629 |
| | | | | | | Depreciation and amortization expense: | | | | | | Storage | $ | 99,868 |
| | $ | 88,217 |
| | $ | 82,921 |
| Pipeline | 68,871 |
| | 52,878 |
| | 51,165 |
| Fuels marketing | 27 |
| | 11,253 |
| | 20,949 |
| Total segment depreciation and amortization expense | 168,766 |
| | 152,348 |
| | 155,035 |
| Other depreciation and amortization expense | 10,155 |
| | 7,441 |
| | 6,738 |
| Total depreciation and amortization expense | $ | 178,921 |
| | $ | 159,789 |
| | $ | 161,773 |
| | | | | | | Operating (loss) income: | | | | | | Storage | $ | (127,484 | ) | | $ | 198,842 |
| | $ | 196,508 |
| Pipeline | 208,293 |
| | 158,590 |
| | 146,403 |
| Fuels marketing | (126 | ) | | (296,785 | ) | | 71,854 |
| Consolidation and intersegment eliminations | 1,437 |
| | 7,939 |
| | 5,906 |
| Total segment operating income | 82,120 |
| | 68,586 |
| | 420,671 |
| Less general and administrative expenses | 91,086 |
| | 104,756 |
| | 103,050 |
| Less other depreciation and amortization expense | 10,155 |
| | 7,441 |
| | 6,738 |
| Other asset impairment loss | — |
| | 3,295 |
| | — |
| Gain on legal settlement | — |
| | (28,738 | ) | | — |
| Total operating (loss) income | $ | (19,121 | ) | | $ | (18,168 | ) | | $ | 310,883 |
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|
| Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block] |
Revenues by geographic area are shown in the table below. | | | | | | | | | | | | | | Year Ended December 31, | | 2013 | | 2012 | | 2011 | | (Thousands of Dollars) | United States | $ | 2,340,694 |
| | $ | 4,230,607 |
| | $ | 4,521,553 |
| Netherlands | 1,027,260 |
| | 1,438,297 |
| | 1,564,062 |
| Other | 95,778 |
| | 276,832 |
| | 172,014 |
| Consolidated revenues | $ | 3,463,732 |
| | $ | 5,945,736 |
| | $ | 6,257,629 |
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| Schedule of Segment Reporting Information Assets By Segment [Text Block] |
Total assets by reportable segment were as follows: | | | | | | | | | | December 31, | | 2013 | | 2012 | | (Thousands of Dollars) | Storage | $ | 2,275,183 |
| | $ | 2,627,946 |
| Pipeline | 1,797,698 |
| | 1,720,711 |
| Fuels marketing | 445,882 |
| | 885,661 |
| Total segment assets | 4,518,763 |
| | 5,234,318 |
| Other partnership assets | 513,423 |
| | 378,771 |
| Total consolidated assets | $ | 5,032,186 |
| | $ | 5,613,089 |
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| Schedule of Capital Expenditures, by Segment [Table Text Block] |
Capital expenditures, including acquisitions and investments in other noncurrent assets, by reportable segment were as follows: | | | | | | | | | | | | | | Year Ended December 31, | | 2013 | | 2012 | | 2011 | | (Thousands of Dollars) | Storage | $ | 170,637 |
| | $ | 161,672 |
| | $ | 263,918 |
| Pipeline | 165,096 |
| | 493,028 |
| | 45,170 |
| Fuels marketing | 69 |
| | 20,333 |
| | 90,683 |
| Other partnership assets | 7,518 |
| | 53,982 |
| | 45,569 |
| Total capital expenditures | $ | 343,320 |
| | $ | 729,015 |
| | $ | 445,340 |
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