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Equity (Tables) | 12 Months Ended
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Dec. 31, 2018
Equity [Abstract] |
Schedule of Capital Units | The table below summarizes the changes in the number of units outstanding from December 31, 2015 through December 31, 2018 (in units).
|  | Common - Public |  | Common - Delek Holdings |  | Subordinated |  | General Partner |  | Total
Balance at December 31, 2015 |  | 9,478,273 |  |  | 2,799,258 |  |  | 11,999,258 |  |  | 495,445 |  |  | 24,772,234 |
GP units issued to maintain 2% interest |  | — |  |  | — |  |  | — |  |  | 1,057 |  |  | 1,057 |
Unit-based compensation awards (1) |  | 51,818 |  |  | — |  |  | — |  |  | — |  |  | 51,818 |
Delek Holdings unit repurchases from public |  | (266,676 | ) |  | 266,676 |  |  | — |  |  | — |  |  | — |
Subordinated unit conversion |  | — |  |  | 11,999,258 |  |  | (11,999,258 | ) |  | — |  |  | — |
Balance at December 31, 2016 |  | 9,263,415 |  |  | 15,065,192 |  |  | — |  |  | 496,502 |  |  | 24,825,109 |
GP units issued to maintain 2% interest |  | — |  |  | — |  |  | — |  |  | 1,102 |  |  | 1,102 |
Unit-based compensation awards (1) |  | 54,026 |  |  | — |  |  | — |  |  | — |  |  | 54,026 |
Delek Holdings unit repurchases from public |  | (228,854 | ) |  | 228,854 |  |  | — |  |  | — |  |  | — |
Balance at December 31, 2017 |  | 9,088,587 |  |  | 15,294,046 |  |  | — |  |  | 497,604 |  |  | 24,880,237 |
GP units issued to maintain 2% interest |  | — |  |  | — |  |  | — |  |  | 434 |  |  | 434 |
Unit-based compensation awards (1) |  | 21,220 |  |  | — |  |  | — |  |  | — |  |  | 21,220 |
Balance at December 31, 2018 |  | 9,109,807 |  |  | 15,294,046 |  |  | — |  |  | 498,038 |  |  | 24,901,891 |
(1) Unit-based compensation awards are presented net of 598, 14,053 and 17,276 units withheld for taxes as of December 31, 2018, 2017 and 2016, respectively.
Schedule of Calculation of Net Income Applicable to Partners | The following table presents the allocation of the general partner's interest in net income (in thousands, except percentage of ownership interest):
|  | Year Ended December 31,
|  | 2018 |  | 2017 |  | 2016
Net income attributable to partners |  | $ | 90,182 |  |  | $ | 69,409 |  |  | $ | 62,804 |
Less: General partner's IDRs |  | (24,224 | ) |  | (17,389 | ) |  | (11,160 | )
Net income available to partners |  | $ | 65,958 |  |  | $ | 52,020 |  |  | $ | 51,644 |
General partner's ownership interest |  | 2.0 | % |  | 2.0 | % |  | 2.0 | %
General partner's allocated interest in net income |  | 1,319 |  |  | 1,040 |  |  | 1,033 |
General partner's IDRs |  | 24,224 |  |  | 17,389 |  |  | 11,160 |
Total general partner's interest in net income |  | $ | 25,543 |  |  | $ | 18,429 |  |  | $ | 12,193 |
Schedule of Distributions Made to Members or Limited Partners, by Distribution | 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
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 |  | August 4, 2017
September 30, 2017 |  | $ | 0.715 |  |  | $ | 2.86 |  |  | $ | 22,270 |  |  | November 14, 2017 |  | November 7, 2017
December 31, 2017 |  | $ | 0.725 |  |  | $ | 2.90 |  |  | $ | 22,777 |  |  | February 12, 2018 |  | February 2, 2018
March 31, 2018 |  | $ | 0.750 |  |  | $ | 3.00 |  |  | $ | 23,997 |  |  | May 15, 2018 |  | May 7, 2018
June 30, 2018 |  | $ | 0.770 |  |  | $ | 3.08 |  |  | $ | 24,984 |  |  | August 13, 2018 |  | August 3, 2018
September 31, 2018 |  | $ | 0.790 |  |  | $ | 3.16 |  |  | $ | 25,960 |  |  | November 9, 2018 |  | November 2, 2018
December 31, 2018 |  | $ | 0.810 |  |  | $ | 3.24 |  |  | $ | 26,949 |  |  | February 12, 2019 |  | February 4, 2019
The allocation of total quarterly cash distributions made to general and limited partners for the years ended December 31, 2018, 2017 and 2016 is 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):
|  | Year Ended December 31,
|  | 2018 |  | 2017 |  | 2016
General partner's distributions: |  |  |  |  |  |
General partner's distributions |  | $ | 1,553 |  |  | $ | 1,408 |  |  | $ | 1,277 |
General partner's IDRs |  | 24,224 |  |  | 17,389 |  |  | 11,160 |
Total general partner's distributions |  | 25,777 |  |  | 18,797 |  |  | 12,437 |
Limited partners' distributions: |  |  |  |  |  |
Common |  | 76,113 |  |  | 69,057 |  |  | 58,158 |
Subordinated |  | — |  |  | — |  |  | 4,424 |
Total limited partners' distributions |  | 76,113 |  |  | 69,057 |  |  | 62,582 |
Total cash distributions |  | $ | 101,890 |  |  | $ | 87,854 |  |  | $ | 75,019 |
Cash distributions per limited partner unit |  | $ | 3.120 |  |  | $ | 2.835 |  |  | $ | 2.575 |

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