v3.8.0.1

SEGMENT INFORMATION (Tables) | 12 Months Ended
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Dec. 31, 2017
Segment Reporting [Abstract] |
Schedule of Segment Reporting Information, by Segment [Text Block] | Results of operations for the reportable segments were as follows:
| Year Ended December 31,
| 2017 |  | 2016 |  | 2015
| (Thousands of Dollars)
Revenues: |  |  |  |  |
Pipeline | $ | 516,288 |  |  | $ | 485,650 |  |  | $ | 508,522 |
Storage: |  |  |  |  |
Third parties | 604,847 |  |  | 589,098 |  |  | 599,302 |
Intersegment | 12,106 |  |  | 20,944 |  |  | 25,606 |
Total storage | 616,953 |  |  | 610,042 |  |  | 624,908 |
Fuels marketing | 692,884 |  |  | 681,934 |  |  | 976,216 |
Consolidation and intersegment eliminations | (12,106 | ) |  | (20,944 | ) |  | (25,606 | )
Total revenues | $ | 1,814,019 |  |  | $ | 1,756,682 |  |  | $ | 2,084,040 |
Depreciation and amortization expense: |  |  |  |  |
Pipeline | $ | 128,061 |  |  | $ | 89,554 |  |  | $ | 84,951 |
Storage | 127,473 |  |  | 118,663 |  |  | 116,768 |
Total segment depreciation and amortization expense | 255,534 |  |  | 208,217 |  |  | 201,719 |
Other depreciation and amortization expense | 8,698 |  |  | 8,519 |  |  | 8,491 |
Total depreciation and amortization expense | $ | 264,232 |  |  | $ | 216,736 |  |  | $ | 210,210 |
Operating income: |  |  |  |  |
Pipeline | $ | 231,795 |  |  | $ | 248,238 |  |  | $ | 270,349 |
Storage | 219,439 |  |  | 214,801 |  |  | 217,818 |
Fuels marketing | 5,983 |  |  | 3,406 |  |  | 13,507 |
Consolidation and intersegment eliminations | (1 | ) |  | — |  |  | 42 |
Total segment operating income | 457,216 |  |  | 466,445 |  |  | 501,716 |
General and administrative expenses | 112,240 |  |  | 98,817 |  |  | 102,521 |
Other depreciation and amortization expense | 8,698 |  |  | 8,519 |  |  | 8,491 |
Total operating income | $ | 336,278 |  |  | $ | 359,109 |  |  | $ | 390,704 |
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,
| 2017 |  | 2016 |  | 2015
| (Thousands of Dollars)
United States | $ | 1,406,626 |  |  | $ | 1,352,936 |  |  | $ | 1,599,088 |
Netherlands | 322,251 |  |  | 313,395 |  |  | 386,282 |
Other | 85,142 |  |  | 90,351 |  |  | 98,670 |
Consolidated revenues | $ | 1,814,019 |  |  | $ | 1,756,682 |  |  | $ | 2,084,040 |
Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block] | Total amounts of property, plant and equipment, net by geographic area were as follows:
| December 31,
| 2017 |  | 2016
| (Thousands of Dollars)
United States | $ | 3,519,965 |  |  | $ | 3,086,337 |
Netherlands | 572,817 |  |  | 469,061 |
Other | 208,151 |  |  | 166,885 |
Consolidated long-lived assets | $ | 4,300,933 |  |  | $ | 3,722,283 |
Schedule of Segment Reporting Information Assets By Segment [Text Block] | Total assets by reportable segment were as follows:
| December 31,
| 2017 |  | 2016
| (Thousands of Dollars)
Pipeline | $ | 3,492,417 |  |  | $ | 2,024,633 |
Storage | 2,735,563 |  |  | 2,522,586 |
Fuels marketing | 118,746 |  |  | 168,347 |
Total segment assets | 6,346,726 |  |  | 4,715,566 |
Other partnership assets | 188,507 |  |  | 314,979 |
Total consolidated assets | $ | 6,535,233 |  |  | $ | 5,030,545 |
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,
| 2017 |  | 2016 |  | 2015
| (Thousands of Dollars)
Pipeline | $ | 1,596,311 |  |  | $ | 88,373 |  |  | $ | 175,657 |
Storage | 244,398 |  |  | 206,641 |  |  | 285,258 |
Other partnership assets | 5,648 |  |  | 5,001 |  |  | 9,957 |
Total capital expenditures | $ | 1,846,357 |  |  | $ | 300,015 |  |  | $ | 470,872 |

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8813-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8721-108599 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8736-108599 + Details
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