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Equity Cash distributions (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified | 0 Months Ended | 3 Months Ended | 12 Months Ended | 0 Months Ended | 12 Months Ended
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Nov. 14, 2013 | Aug. 13, 2013 | May 15, 2013 | Feb. 14, 2013 | Dec. 31, 2012 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Feb. 13, 2014 Subsequent Event [Member] | Dec. 31, 2013 Limited Partner, Common Units [Member] | Dec. 31, 2012 Limited Partner, Common Units [Member] | Dec. 31, 2013 General Partner [Member] | Dec. 31, 2012 General Partner [Member] | Dec. 31, 2013 Limited Partner, Subordinated Units [Member] | Dec. 31, 2012 Limited Partner, Subordinated Units [Member]
Distribution Made to Limited Partner [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Quarterly cash distribution (dollars per unit) | $ 0.405 | $ 0.395 | $ 0.385 | $ 0.224 | [1] |  |  |  |  |  |  |  | $ 0.415 |  |  |  |  |  |
Distribution Made To Member Or Limited Partner Distributions Paid Annualized Per Unit | $ 1.62 | $ 1.58 | $ 1.54 | $ 0.90 | [1] |  |  |  |  |  |  |  | $ 1.66 |  |  |  |  |  |
Distribution Made to Limited Partner, Cash Distributions Paid | $ 9,933 | $ 9,687 | $ 9,428 | $ 5,486 | [1] |  | $ 3,944 | [2] | $ 116,535 | [2] | $ 0 | [2] | $ 10,228 |  |  |  |  |  |
Distributions to unitholders and general partner related to assets acquired in the initial public offering |  |  |  |  |  |  | 785 |  | 110 |  |  |  |  |  |  | 785 | 110 |  |
Limited Partners' Capital Account, Distribution Amount |  |  |  |  |  |  | $ 39,276 |  | $ 5,486 |  |  |  |  | $ 19,292 | $ 2,688 |  |  | $ 19,199 | $ 2,688
Cash distributions per unit |  |  |  |  |  |  | $ 1.600 | [3] | $ 0.224 | [3] |  |  |  |  |  |  |  |  |
Footnote [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum quarterly cash distribution |  |  |  |  |  | $ 0.375 |  |  |  |  |  |  |  |  |  |  |  |  |
Annualized minimum quarterly distributions |  |  |  |  |  | $ 1.50 |  |  |  |  |  |  |  |  |  |  |  |  |
[1] | The quarterly cash distribution for the three months ended December 31, 2012 was calculated as the minimum quarterly cash distribution of $0.375 per unit per quarter, or $1.50 per unit on an annualized basis, prorated for the period beginning November 7, 2012, the date the Partnership commenced operations.
[2] | Adjusted to include the historical cash flows of the Tyler Terminal and Tank Assets. See Notes 1 and 3 for further discussion.
[3] | Adjusted to include the historical results of the Tyler Terminal and Tank Assets. See Notes 1 and 3 for further discussion.

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- Definition Amount of cash distribution paid to unit-holder of limited partnership (LP). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055 + Details
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