| Schedule of Changes in Partners' Equity |
The following table summarizes changes in the carrying amount of equity attributable to NuStar Energy L.P. partners and noncontrolling interest: | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended June 30, 2012 | | Three Months Ended June 30, 2011 | | NuStar Energy L.P. Partners’ Equity | | Noncontrolling Interest | | Total Partners’ Equity | | NuStar Energy L.P. Partners’ Equity | | Noncontrolling Interest | | Total Partners’ Equity | | (Thousands of Dollars) | Beginning balance | $ | 2,751,062 |
| | $ | 13,156 |
| | $ | 2,764,218 |
| | $ | 2,663,017 |
| | $ | 15,566 |
| | $ | 2,678,583 |
| Net (loss) income | (246,737 | ) | | (73 | ) | | (246,810 | ) | | 92,599 |
| | 6 |
| | 92,605 |
| Other comprehensive (loss) income: | | | | | | | | | | | | Foreign currency translation adjustment | (3,815 | ) | | (235 | ) | | (4,050 | ) | | (842 | ) | | (827 | ) | | (1,669 | ) | Net unrealized loss on cash flow hedges | (12,288 | ) | | — |
| | (12,288 | ) | | (32,162 | ) | | — |
| | (32,162 | ) | Net loss reclassified into income on cash flow hedges | 9,147 |
| | — |
| | 9,147 |
| | 1,225 |
| | — |
| | 1,225 |
| Total other comprehensive (loss) income | (6,956 | ) | | (235 | ) | | (7,191 | ) | | (31,779 | ) | | (827 | ) | | (32,606 | ) | Cash distributions to partners | (89,076 | ) | | — |
| | (89,076 | ) | | (79,616 | ) | | — |
| | (79,616 | ) | Other | (24 | ) | | — |
| | (24 | ) | | — |
| | — |
| | — |
| Ending balance | $ | 2,408,269 |
| | $ | 12,848 |
| | $ | 2,421,117 |
| | $ | 2,644,221 |
| | $ | 14,745 |
| | $ | 2,658,966 |
|
| | | | | | | | | | | | | | | | | | | | | | | | | | Six Months Ended June 30, 2012 | | Six Months Ended June 30, 2011 | | NuStar Energy L.P. Partners’ Equity | | Noncontrolling Interest | | Total Partners’ Equity | | NuStar Energy L.P. Partners’ Equity | | Noncontrolling Interest | | Total Partners’ Equity | | (Thousands of Dollars) | Beginning balance | $ | 2,852,201 |
| | $ | 12,134 |
| | $ | 2,864,335 |
| | $ | 2,702,700 |
| | $ | — |
| | $ | 2,702,700 |
| Acquisition | — |
| | — |
| | — |
| | — |
| | 15,000 |
| | 15,000 |
| Net (loss) income | (220,386 | ) | | (170 | ) | | (220,556 | ) | | 121,101 |
| | 20 |
| | 121,121 |
| Other comprehensive (loss) income: | | | | | | | | | | | | Foreign currency translation adjustment | 4,096 |
| | 884 |
| | 4,980 |
| | 7,711 |
| | (275 | ) | | 7,436 |
| Net unrealized loss on cash flow hedges | (66,111 | ) | | — |
| | (66,111 | ) | | (29,284 | ) | | — |
| | (29,284 | ) | Net loss reclassified into income on cash flow hedges | 16,914 |
| | — |
| | 16,914 |
| | 1,225 |
| | — |
| | 1,225 |
| Total other comprehensive (loss) income | (45,101 | ) | | 884 |
| | (44,217 | ) | | (20,348 | ) | | (275 | ) | | (20,623 | ) | Cash distributions to partners | (178,152 | ) | | — |
| | (178,152 | ) | | (159,232 | ) | | — |
| | (159,232 | ) | Other | (293 | ) | | — |
| | (293 | ) | | — |
| | — |
| | — |
| Ending balance | $ | 2,408,269 |
| | $ | 12,848 |
| | $ | 2,421,117 |
| | $ | 2,644,221 |
| | $ | 14,745 |
| | $ | 2,658,966 |
|
|
| Schedule of Calculation of Net Income Applicable to General Partner [Text Block] |
The following table details the calculation of net income applicable to the general partner: | | | | | | | | | | | | | | | | | | Three Months Ended June 30, | | Six Months Ended June 30, | | 2012 | | 2011 | | 2012 | | 2011 | | (Thousands of Dollars) | Net (loss) income attributable to NuStar Energy L.P. | $ | (246,737 | ) | | $ | 92,599 |
| | $ | (220,386 | ) | | $ | 121,101 |
| Less general partner incentive distribution | 9,816 |
| | 8,963 |
| | 19,632 |
| | 17,531 |
| Net (loss) income after general partner incentive distribution | (256,553 | ) | | 83,636 |
| | (240,018 | ) | | 103,570 |
| General partner interest | 2 | % | | 2 | % | | 2 | % | | 2 | % | General partner allocation of net (loss) income after general partner incentive distribution | (5,131 | ) | | 1,673 |
| | (4,800 | ) | | 2,071 |
| General partner incentive distribution | 9,816 |
| | 8,963 |
| | 19,632 |
| | 17,531 |
| Net income applicable to general partner | $ | 4,685 |
| | $ | 10,636 |
| | $ | 14,832 |
| | $ | 19,602 |
|
|
| Schedule of Distributions To General and Limited Partners [Text Block] |
The following table reflects the allocation of total cash distributions to the general and limited partners applicable to the period in which the distributions were earned: | | | | | | | | | | | | | | | | | | Three Months Ended June 30, | | Six Months Ended June 30, | | 2012 | | 2011 | | 2012 | | 2011 | | (Thousands of Dollars, Except Per Unit Data) | General partner interest | $ | 1,782 |
| | $ | 1,627 |
| | $ | 3,564 |
| | $ | 3,219 |
| General partner incentive distribution | 9,816 |
| | 8,963 |
| | 19,632 |
| | 17,531 |
| Total general partner distribution | 11,598 |
| | 10,590 |
| | 23,196 |
| | 20,750 |
| Limited partners’ distribution | 77,478 |
| | 70,749 |
| | 154,956 |
| | 140,205 |
| Total cash distributions | $ | 89,076 |
| | $ | 81,339 |
| | $ | 178,152 |
| | $ | 160,955 |
| | | | | | | | | Cash distributions per unit applicable to limited partners | $ | 1.095 |
| | $ | 1.095 |
| | $ | 2.190 |
| | $ | 2.170 |
|
|