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Equity - Equity Activity (Details) - shares | 6 Months Ended |
--- | --- | ---
Jun. 30, 2019 | Dec. 31, 2018
General Partners' Capital Account, Units Issued |  | 498,312 | 498,038
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |
Balance at December 31, 2018 |  | 24,901,891 |
General partner units issued to maintain 2% interest |  | 274 |
Unit-based compensation awards | [1] | 13,432 |
Balance at March 31, 2019 |  | 24,915,597 |
Partners' Capital Account, Units Withheld for Taxes |  | 0 |
Limited Partner | Common unitholders - public |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |
Balance at December 31, 2018 |  | 9,109,807 |
General partner units issued to maintain 2% interest |  | 0 |
Unit-based compensation awards | [1] | 13,432 |
Balance at March 31, 2019 |  | 9,123,239 |
Limited Partner | Common unitholders - Delek |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |
Balance at December 31, 2018 |  | 15,294,046 |
General partner units issued to maintain 2% interest |  | 0 |
Unit-based compensation awards |  | 0 |
Balance at March 31, 2019 |  | 15,294,046 |
General Partner |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |
Balance at December 31, 2018 |  | 498,038 |
General partner units issued to maintain 2% interest |  | 274 |
Unit-based compensation awards |  | 0 |
Balance at March 31, 2019 |  | 498,312 |
[1] | No units were withheld for taxes during the three and six months ended June 30, 2019.

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- Definition The number of general partner units issued. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -Subparagraph (SAB Topic 4.F) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770 + Details
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