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Net Income Per Unit (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Aug. 13, 2020 | Mar. 31, 2020 | Dec. 31, 2020 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Net income per unit [Line Items] |  |  |  |  |  |
Big Spring Gathering Assets Acquisition equity issuance |  |  |  | 5,000,000 |  |
Net Income Attributable To Partners |  |  |  | $ 159,256 | $ 96,749 | $ 90,182
Earning in excess (deficit) of distributions |  |  |  | $ 13,568 | $ (20,616) | $ (11,708)
Weighted average limited partner units outstanding: |  |  |  |  |  |
Common units - (basic) (in units) |  |  |  | 33,594,284 | 24,413,294 | 24,390,286
Common units - (diluted) (in units) |  |  |  | 33,597,418 | 24,418,641 | 24,396,881
Net income per limited partner unit: |  |  |  |  |  |
Common units - basic (in usd per unit) |  |  |  | $ 4.18 | $ 2.61 | $ 2.65
Common - diluted (in usd per unit) |  |  |  | $ 4.18 | $ 2.61 | $ 2.65
Footnote [Abstract] |  |  |  |  |  |
Common units excluded from computation of earnings per share (in units) |  |  |  | 5,201 | 0 | 1,776
Big Spring Gathering Asset |  |  |  |  |  |
Net income per unit [Line Items] |  |  |  |  |  |
Big Spring Gathering Assets Acquisition equity issuance |  | 5,000,000.0 |  |  |  |
Delek Logistics G P |  |  |  |  |  |
Net income per unit [Line Items] |  |  |  |  |  |
General partner economic interest, percent | 2.00% |  |  |  |  |
General Partnership |  |  |  |  |  |
Net income per unit [Line Items] |  |  |  |  |  |
General partner economic interest, percent | 2.00% |  |  |  |  |
Footnote [Abstract] |  |  |  |  |  |
General partner's ownership interest |  |  |  | 2.00% | 2.00% | 2.00%
Maximum |  |  |  |  |  |
Footnote [Abstract] |  |  |  |  |  |
Distribution payment targets (in usd per unit) |  |  | $ 0.43125 |  |  |
General Partner |  |  |  |  |  |
Net income per unit [Line Items] |  |  |  |  |  |
Big Spring Gathering Assets Acquisition equity issuance |  |  |  | 0 |  |
Net Income Attributable To Partners |  |  |  | $ 18,724 | $ 33,080 | $ 25,543
General partner's distribution |  |  |  | 18,618 | 33,492 | 25,777
Earning in excess (deficit) of distributions |  |  |  | 106 | (412) | (234)
Total earnings |  |  |  | 18,724 | 33,080 | 25,543
Limited Partner |  |  |  |  |  |
Net income per unit [Line Items] |  |  |  |  |  |
Limited partners' distribution |  |  |  | 127,070 | 83,873 | 76,113
Earning in excess (deficit) of distributions |  |  |  | 13,462 | (20,204) | (11,474)
Total earnings |  |  |  | $ 140,532 | $ 63,669 | $ 64,639
Weighted average limited partner units outstanding: |  |  |  |  |  |
Common units - (basic) (in units) |  |  |  | 33,594,284 | 24,413,294 | 24,390,286
Common units - (diluted) (in units) |  |  |  | 33,597,418 | 24,418,641 | 24,396,881
Net income per limited partner unit: |  |  |  |  |  |
Common units - basic (in usd per unit) |  |  |  | $ 4.18 | $ 2.61 | $ 2.65
Common - diluted (in usd per unit) |  |  |  | $ 4.18 | $ 2.61 | $ 2.65

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