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Equity - Equity Activity (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |  |  |
Balance at December 31, 2017 |  |  |  | 24,880,237 |
General partner units issued to maintain 2% interest |  |  |  | 257 |
Unit-based compensation awards | [1] |  |  | 12,550 |
Balance at September 30, 2018 |  | 24,893,044 |  | 24,893,044 |
Partners' Capital Account, Units Withheld for Taxes |  |  |  | 598 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Balance at December 31, 2017 |  |  |  | $ (29,225) |
Allocation Of Net Sponsor Investment To Unitholders |  |  |  | (98,798) |
Cash distributions | [2] |  |  | (71,845) |
Net income attributable to partners |  | $ 23,326 | $ 16,923 | 68,903 | $ 50,495
Unit-based compensation |  |  |  | 518 |
Other |  |  |  | 20 |
Balance at September 30, 2018 |  | $ (130,427) |  | $ (130,427) |
Limited Partner | Common unitholders - public |  |  |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |  |  |
Balance at December 31, 2017 |  |  |  | 9,088,587 |
General partner units issued to maintain 2% interest |  |  |  | 0 |
Unit-based compensation awards | [1] |  |  | 12,550 |
Balance at September 30, 2018 |  | 9,101,137 |  | 9,101,137 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Balance at December 31, 2017 |  |  |  | $ 174,378 |
Allocation Of Net Sponsor Investment To Unitholders |  |  |  | 0 |
Cash distributions | [2] |  |  | (20,500) |
Net income attributable to partners |  |  |  | 18,808 |
Unit-based compensation |  |  |  | 189 |
Other |  |  |  | 0 |
Balance at September 30, 2018 |  | $ 172,875 |  | $ 172,875 |
Limited Partner | Common unitholders - Delek |  |  |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |  |  |
Balance at December 31, 2017 |  |  |  | 15,294,046 |
General partner units issued to maintain 2% interest |  |  |  | 0 |
Unit-based compensation awards | [1] |  |  | 0 |
Balance at September 30, 2018 |  | 15,294,046 |  | 15,294,046 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Balance at December 31, 2017 |  |  |  | $ (197,206) |
Allocation Of Net Sponsor Investment To Unitholders |  |  |  | (96,822) |
Cash distributions | [2] |  |  | (34,335) |
Net income attributable to partners |  |  |  | 31,617 |
Unit-based compensation |  |  |  | 319 |
Other |  |  |  | 0 |
Balance at September 30, 2018 |  | $ (296,427) |  | (296,427) |
Limited Partner | Vested Phantom Units |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Cash distributions |  |  |  | $ 100 |
General Partner |  |  |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |  |  |
Balance at December 31, 2017 |  |  |  | 497,604 |
General partner units issued to maintain 2% interest |  |  |  | 257 |
Unit-based compensation awards | [1] |  |  | 0 |
Balance at September 30, 2018 |  | 497,861 |  | 497,861 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Balance at December 31, 2017 |  |  |  | $ (6,397) |
Allocation Of Net Sponsor Investment To Unitholders |  |  |  | (1,976) |
Cash distributions | [2] |  |  | (17,010) |
Net income attributable to partners |  |  |  | 18,478 |
Unit-based compensation |  |  |  | 10 |
Other |  |  |  | 20 |
Balance at September 30, 2018 |  | $ (6,875) |  | $ (6,875) |
[1] | (1) Unit-based compensation awards are presented net of 598 units withheld for taxes.
[2] | (1) Cash distributions include $0.1 million related to distribution equivalents on vested phantom units.

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