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Equity Distributions Earned (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Distributions Earned by Limited or General Partners [Line Items] |  |  |  |  |  |
General partner's interest | $ 198 |  | $ 0 | $ 580 |  | $ 0
Limited partners' distribution | 9,933 |  | 0 | 29,048 |  | 0
Cash distribution per unit | $ 0.405 | [1] |  | $ 1.185 | [1] |
Common [Member] |  |  |  |  |  |
Distributions Earned by Limited or General Partners [Line Items] |  |  |  |  |  |
Limited partners' distribution | 4,875 |  | 0 | 14,249 |  | 0
Subordinated [Member] |  |  |  |  |  |
Distributions Earned by Limited or General Partners [Line Items] |  |  |  |  |  |
Limited partners' distribution | $ 4,860 |  | $ 0 | $ 14,219 |  | $ 0
[1] | Adjusted to include the historical results of the Tyler Terminal and Tank Assets. See Notes 1 and 2 for further discussion.

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