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Equity (Tables) | 6 Months Ended
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Jun. 30, 2017
Equity [Abstract] |
Schedule of Capital Units [Table Text Block] | The table below summarizes the changes in the number of units outstanding from December 31, 2016 through June 30, 2017.
|  | Common - Public |  | Common - Delek |  | General Partner |  | Total
Balance at December 31, 2016 |  | 9,263,415 |  |  | 15,065,192 |  |  | 496,502 |  |  | 24,825,109 |
General partner units issued to maintain 2% interest |  | — |  |  | — |  |  | 670 |  |  | 670 |
Unit-based compensation awards |  | 32,850 |  |  | — |  |  | — |  |  | 32,850 |
Delek unit repurchases from public |  | (228,854 | ) |  | 228,854 |  |  | — |  |  | — |
Balance at June 30, 2017 |  | 9,067,411 |  |  | 15,294,046 |  |  | 497,172 |  |  | 24,858,629 |
Equity Activity [Table Text Block] | The summarized changes in the carrying amount of our equity from December 31, 2016 through June 30, 2017 are as follows (in thousands):
|  | Common - Public |  | Common - Delek |  | General Partner |  | Total
Balance at December 31, 2016 |  | $ | 188,013 |  |  | $ | (195,076 | ) |  | $ | (6,221 | ) |  | $ | (13,284 | )
Cash distributions | (12,816 | ) |  | (20,772 | ) |  | (8,231 | ) |  | (41,819 | )
Sponsor contribution of fixed assets | — |  |  | 65 |  |  | 2 |  |  | 67 |
Net income attributable to partners | 9,305 |  |  | 15,606 |  |  | 8,661 |  |  | 33,572 |
Unit-based compensation | 321 |  |  | 538 |  |  | (495 | ) |  | 364 |
Delek unit repurchases from public | (7,291 | ) |  | 7,291 |  |  | — |  |  | — |
General partner units issued to maintain 2% interest | — |  |  | — |  |  | 21 |  |  | 21 |
Balance at June 30, 2017 |  | $ | 177,532 |  |  | $ | (192,348 | ) |  | $ | (6,263 | ) |  | $ | (21,079 | )
Schedule of Allocation of Net Income to General Partner [Table Text Block] | The following table presents the allocation of the general partner's interest in net income (in thousands, except percentage of ownership interest):
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2017 |  | 2016 |  | 2017 |  | 2016
Net income attributable to partners |  | $ | 18,977 |  |  | $ | 18,893 |  |  | $ | 33,572 |  |  | $ | 34,341 |
Less: General partner's IDRs |  | (4,258 | ) |  | (2,462 | ) |  | (8,153 | ) |  | (4,446 | )
Net income available to partners |  | $ | 14,719 |  |  | $ | 16,431 |  |  | $ | 25,419 |  |  | $ | 29,895 |
General partner's ownership interest |  | 2.0 | % |  | 2.0 | % |  | 2.0 | % |  | 2.0 | %
General partner's allocated interest in net income |  | $ | 294 |  |  | $ | 329 |  |  | $ | 508 |  |  | $ | 598 |
General partner's IDRs |  | 4,258 |  |  | 2,462 |  |  | 8,153 |  |  | 4,446 |
Total general partner's interest in net income |  | $ | 4,552 |  |  | $ | 2,791 |  |  | $ | 8,661 |  |  | $ | 5,044 |
Schedule of Incentive Distributions Made to Managing Members or General Partners by Distribution [Table Text Block] | The following table illustrates the percentage allocations of available cash from operating surplus between the unitholders and our general partner based on the specified target distribution levels. The amounts set forth under “Marginal Percentage Interest in Distributions” are the percentage interests of our general partner and our unitholders in any available cash from operating surplus that we distribute up to and including the corresponding amount in the column “Total Quarterly Distribution per Unit Target Amount.” The percentage interests shown for our unitholders and our general partner for the minimum quarterly distribution are also applicable to quarterly distribution amounts that are less than the minimum quarterly distribution. The percentage interests set forth below for our general partner include its 2.0% general partner interest and assume that (i) our general partner has contributed any additional capital necessary to maintain its 2.0% general partner interest, (ii) our general partner has not transferred its IDRs, and (iii) there are no arrearages on common units.
|  |  | Target Quarterly Distribution per Unit |  | Marginal Percentage Interest in Distributions
|  |  | Target Amount |  | Unitholders |  | General Partner
Minimum Quarterly Distribution |  |  | $ | 0.37500 |  |  | 98.0 | % |  | 2.0 | %
First Target Distribution |  | above | $ | 0.37500 |  |  | 98.0 | % |  | 2.0 | %
|  | up to | $ | 0.43125 |  |  |  |  |
Second Target Distribution |  | above | $ | 0.43125 |  |  | 85.0 | % |  | 15.0 | %
|  | up to | $ | 0.46875 |  |  |  |  |
Third Target Distribution |  | above | $ | 0.46875 |  |  | 75.0 | % |  | 25.0 | %
|  | up to | $ | 0.56250 |  |  |  |  |
Thereafter |  | thereafter | $ | 0.56250 |  |  | 50.0 | % |  | 50.0 | %
Distributions Made to Limited Partner, by Distribution [Table Text Block] | The table below summarizes the quarterly distributions related to our quarterly financial results:
Quarter Ended |  | Total Quarterly Distribution Per Limited Partner Unit |  | Total Quarterly Distribution Per Limited Partner Unit, Annualized |  | Total Cash Distribution, including general partner interest and IDRs (in thousands) |  | Date of Distribution |  | Unitholders Record Date
June 30, 2016 |  | $ | 0.630 |  |  | $ | 2.52 |  |  | $ | 18,085 |  |  | August 12, 2016 |  | August 5, 2016
September 30, 2016 |  | $ | 0.655 |  |  | $ | 2.62 |  |  | $ | 19,302 |  |  | November 14, 2016 |  | November 7, 2016
December 31, 2016 |  | $ | 0.680 |  |  | $ | 2.72 |  |  | $ | 20,537 |  |  | February 14, 2017 |  | February 3, 2017
March 31, 2017 |  | $ | 0.690 |  |  | $ | 2.76 |  |  | $ | 21,024 |  |  | May 12, 2017 |  | May 5, 2017
June 30, 2017 |  | $ | 0.705 |  |  | $ | 2.82 |  |  | $ | 21,783 |  |  | August 11, 2017 (1) |  | August 4, 2017
(1) Expected date of distribution. The allocation of total quarterly cash distributions expected to be made on August 11, 2017 to general and limited partners for the three and six months ended June 30, 2017 and the allocation of total quarterly cash distributions for the three and six months ended June 30, 2016 are set forth in the table below. Distributions earned with respect to a given period are declared subsequent to quarter end. Therefore, the table below presents total cash distributions applicable to the period in which the distributions are earned (in thousands, except per unit amounts):
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2017 |  | 2016 |  | 2017 |  | 2016
General partner's distributions: |  |  |  |  |  |  |  |
General partner's distributions |  | $ | 350 |  |  | $ | 313 |  |  | $ | 692 |  |  | $ | 615 |
General partner's IDRs |  | 4,258 |  |  | 2,462 |  |  | 8,153 |  |  | 4,446 |
Total general partner's distributions |  | 4,608 |  |  | 2,775 |  |  | 8,845 |  |  | 5,061 |
Limited partners' distributions: |  |  |  |  |  |  |  |
Common |  | 17,175 |  |  | 15,310 |  |  | 33,962 |  |  | 25,695 |
Subordinated |  | — |  |  | — |  |  | — |  |  | 4,424 |
Total limited partners' distributions |  | 17,175 |  |  | 15,310 |  |  | 33,962 |  |  | 30,119 |
Total cash distributions |  | $ | 21,783 |  |  | $ | 18,085 |  |  | $ | 42,807 |  |  | $ | 35,180 |
Cash distributions per limited partner unit |  | $ | 0.705 |  |  | $ | 0.630 |  |  | $ | 1.395 |  |  | $ | 1.240 |

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