v3.19.3.a.u2

PARTNERS' EQUITY (Tables) | 12 Months Ended
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Dec. 31, 2019
Distributions Made to Limited Partners and General Partner [Line Items] |
Schedule of Preferred Units [Table Text Block] | The following is a summary of our Series A, Series B and Series C Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units (collectively the Series A, B and C Preferred Units) issued and outstanding as of December 31, 2019:
Units |  | Original Issuance Date |  | Number of Units Issued and Outstanding |  | Price per Unit |  | Net Proceeds (in millions) |  | Fixed Distribution Rate per Annum (as a Percentage of the $25.00 Liquidation Preference per Unit) |  | Fixed Distribution Rate per Unit per Annum |  | Fixed Distribution per Annum (in thousands) |  | Optional Redemption Date/Date at Which Distribution Rate Becomes Floating |  | Floating Annual Rate (as a Percentage of the $25.00 Liquidation Preference per Unit)
Series A Preferred Units |  | November 25, 2016 |  | 9,060,000 |  | $ | 25.00 |  |  | $ | 218.4 |  |  | 8.50 | % |  | $ | 2.125 |  |  | $ | 19,252 |  |  | December 15, 2021 |  | Three-month LIBOR plus 6.766%
Series B Preferred Units |  | April 28, 2017 |  | 15,400,000 |  | $ | 25.00 |  |  | $ | 371.8 |  |  | 7.625 | % |  | $ | 1.90625 |  |  | $ | 29,357 |  |  | June 15, 2022 |  | Three-month LIBOR plus 5.643%
Series C Preferred Units |  | November 30, 2017 |  | 6,900,000 |  | $ | 25.00 |  |  | $ | 166.7 |  |  | 9.00 | % |  | $ | 2.25 |  |  | $ | 15,525 |  |  | December 15, 2022 |  | Three-month LIBOR plus 6.88%
Schedule of Common Units [Table Text Block] | The following table shows the balance of and changes in the number of our common units outstanding:
| Year Ended December 31,
| 2019 |  | 2018 |  | 2017
Balance as of the beginning of year | 107,225,156 |  |  | 93,176,683 |  |  | 78,616,228 |
Issuance of units | 527,426 |  |  | 413,736 |  |  | 14,375,000 |
Unit-based compensation (refer to Note 24 for discussion) | 775,224 |  |  | 225,144 |  |  | 185,455 |
Merger (refer to Note 4 for discussion) | — |  |  | 13,409,593 |  |  | — |
Balance as of the end of year | 108,527,806 |  |  | 107,225,156 |  |  | 93,176,683 |
Schedule of Distribution Waterfall [Table Text Block] | Prior to the Merger, our Available Cash was distributed based on the percentages shown below:
|  | Percentage of Distribution
Quarterly Distribution Amount Per Common Unit |  | Common Unitholders |  | General Partner Including Incentive Distributions
Up to $0.60 |  | 98% |  | 2%
Above $0.60 up to $0.66 |  | 90% |  | 10%
Above $0.66 |  | 75% |  | 25%
Schedule of Distributions to General and Common Limited Partners [Table Text Block] | The following table reflects the allocation of total cash distributions to the general partner and common limited partners applicable to the period in which the distributions were earned:
| Year Ended December 31,
| 2019 |  | 2018 |  | 2017
| (Thousands of Dollars, Except Per Unit Data)
General partner interest | $ | — |  |  | $ | 1,141 |  |  | $ | 9,252 |
General partner incentive distribution | — |  |  | — |  |  | 45,669 |
Total general partner distribution | — |  |  | 1,141 |  |  | 54,921 |
Common limited partners’ distribution | 259,136 |  |  | 248,705 |  |  | 407,681 |
Total cash distributions | $ | 259,136 |  |  | $ | 249,846 |  |  | $ | 462,602 |
Cash distributions per unit applicable to common limited partners | $ | 2.40 |  |  | $ | 2.40 |  |  | $ | 4.38 |
Schedule of Calculation of Net Income Applicable to General Partner [Table Text Block] | The following table details the calculation of net income applicable to the general partner for 2017:
| Year Ended December 31, 2017
| (Thousands of Dollars)
Net income attributable to NuStar Energy L.P. | $ | 147,964 |
Less preferred limited partner interest | 40,448 |
Less general partner incentive distribution | 45,669 |
Net income after general partner incentive distribution and preferred limited partner interest | 61,847 |
General partner interest allocation | 2 | %
General partner interest allocation of net income | 1,237 |
General partner incentive distribution | 45,669 |
Net income applicable to general partner | $ | 46,906 |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] | The balance of and changes in the components included in AOCI were as follows:
| Foreign Currency Translation |  | Cash Flow Hedges |  | Pension and Other Postretirement Benefits |  | Total
| (Thousands of Dollars)
Balance as of January 1, 2017 | $ | (69,069 | ) |  | $ | (22,258 | ) |  | $ | (2,850 | ) |  | $ | (94,177 | )
Other comprehensive income (loss) before reclassification adjustments | 17,466 |  |  | (8,670 | ) |  | (4,641 | ) |  | 4,155 |
Net gain on pension costs reclassified into operating expense | — |  |  | — |  |  | (1,143 | ) |  | (1,143 | )
Net gain on pension costs reclassified into general and administrative expense | — |  |  | — |  |  | (386 | ) |  | (386 | )
Net loss on cash flow hedges reclassified into interest expense, net | — |  |  | 6,624 |  |  | — |  |  | 6,624 |
Other comprehensive income (loss) | 17,466 |  |  | (2,046 | ) |  | (6,170 | ) |  | 9,250 |
Balance as of December 31, 2017 | (51,603 | ) |  | (24,304 | ) |  | (9,020 | ) |  | (84,927 | )
Other comprehensive (loss) income before reclassification adjustments | (13,880 | ) |  | 17,912 |  |  | 3,282 |  |  | 7,314 |
Sale of European Operations reclassified into other income, net | 18,124 |  |  | — |  |  | — |  |  | 18,124 |
Net gain on pension costs reclassified into other income, net | — |  |  | — |  |  | (814 | ) |  | (814 | )
Net loss on cash flow hedges reclassified into interest expense, net | — |  |  | 5,499 |  |  | — |  |  | 5,499 |
Other | 60 |  |  | — |  |  | (134 | ) |  | (74 | )
Other comprehensive income | 4,304 |  |  | 23,411 |  |  | 2,334 |  |  | 30,049 |
Balance as of December 31, 2018 | (47,299 | ) |  | (893 | ) |  | (6,686 | ) |  | (54,878 | )
Other comprehensive income (loss) before reclassification adjustments | 3,527 |  |  | (19,045 | ) |  | 1,000 |  |  | (14,518 | )
Net gain on pension costs reclassified into other income, net | — |  |  | — |  |  | (2,314 | ) |  | (2,314 | )
Net loss on cash flow hedges reclassified into interest expense, net | — |  |  | 3,814 |  |  | — |  |  | 3,814 |
Other comprehensive income (loss) | 3,527 |  |  | (15,231 | ) |  | (1,314 | ) |  | (13,018 | )
Balance as of December 31, 2019 | $ | (43,772 | ) |  | $ | (16,124 | ) |  | $ | (8,000 | ) |  | $ | (67,896 | )
Common Limited Partner [Member] |
Distributions Made to Limited Partners and General Partner [Line Items] |
Distributions Made to Limited Partner, by Distribution [Table Text Block] | The following table summarizes information about quarterly cash distributions declared for our common limited partners applicable to the year ended December 31, 2019:
Quarter Ended |  | Cash Distributions Per Unit |  | Total Cash Distributions |  | Record Date |  | Payment Date
|  |  |  | (Thousands of Dollars) |  |  |  |
December 31, 2019 |  | $ | 0.60 |  |  | $ | 65,128 |  |  | February 10, 2020 |  | February 14, 2020
September 30, 2019 |  | $ | 0.60 |  |  | $ | 64,660 |  |  | November 8, 2019 |  | November 14, 2019
June 30, 2019 |  | $ | 0.60 |  |  | $ | 64,658 |  |  | August 7, 2019 |  | August 13, 2019
March 31, 2019 |  | $ | 0.60 |  |  | $ | 64,690 |  |  | May 8, 2019 |  | May 14, 2019

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