Net Income Per Limited Partner Unit (Details) (USD $) | 0 Months Ended | 3 Months Ended | 9 Months Ended |
In Thousands, except Per Share data, unless otherwise specified | Jul. 15, 2014 | Apr. 17, 2014 | Jan. 20, 2014 | Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013 |
Calculation of Earnings In Excess of Distributions | ' | ' | ' | ' | ' | | ' | ' | |
Net income attributable to partners | ' | ' | ' | $17,543 | $0 | [1] | $40,225 | $0 | [1] |
Distributions declared | 13,074 | 12,487 | 2,174 | 14,102 | ' | | 39,663 | ' | |
Earnings in excess of distributions | ' | ' | ' | 3,441 | ' | | 562 | ' | |
Net income attributable to partners: | ' | ' | ' | ' | ' | | ' | ' | |
Distributions declared | 13,074 | 12,487 | 2,174 | 14,102 | ' | | 39,663 | ' | |
Earnings in excess of distributions | ' | ' | ' | 3,441 | ' | | 562 | ' | |
Net income attributable to partners | ' | ' | ' | 17,543 | 0 | [1] | 40,225 | 0 | [1] |
Weighted-average units outstanding | ' | ' | ' | 17,250 | ' | | 17,250 | ' | |
Net income per limited partner unit b basic: | ' | ' | ' | ' | ' | | ' | ' | |
Distributions declared (per unit) | $0.22 | $0.21 | $0.04 | $0.24 | ' | | $0.68 | ' | |
Net income per limited partner unit b diluted: | ' | ' | ' | ' | ' | | ' | ' | |
Net income attributable to partners | ' | ' | ' | 17,543 | 0 | [1] | 40,225 | 0 | [1] |
Weighted-average units outstanding | ' | ' | ' | 17,250 | ' | | 17,250 | ' | |
Weighted-average units outstanding b diluted | ' | ' | ' | 17,251 | ' | | 17,251 | ' | |
Common Unitholders Public [Member] | ' | ' | ' | ' | ' | | ' | ' | |
Calculation of Earnings In Excess of Distributions | ' | ' | ' | ' | ' | | ' | ' | |
Net income attributable to partners | ' | ' | ' | 5,152 | ' | | 11,814 | ' | |
Distributions declared | ' | ' | ' | 4,141 | ' | | 11,647 | ' | |
Earnings in excess of distributions | ' | ' | ' | 1,011 | ' | | 167 | ' | |
Net income attributable to partners: | ' | ' | ' | ' | ' | | ' | ' | |
Distributions declared | ' | ' | ' | 4,141 | ' | | 11,647 | ' | |
Earnings in excess of distributions | ' | ' | ' | 1,011 | ' | | 167 | ' | |
Net income attributable to partners | ' | ' | ' | 5,152 | ' | | 11,814 | ' | |
Weighted-average units outstanding | ' | ' | ' | 17,250 | ' | | 17,250 | ' | |
Net income per limited partner unit b basic: | ' | ' | ' | ' | ' | | ' | ' | |
Distributions declared (per unit) | ' | ' | ' | $0.24 | ' | | $0.68 | ' | |
Earnings in excess of distributions (per unit) | ' | ' | ' | $0.06 | ' | | $0.01 | ' | |
Net income per limited partner unit b basic | ' | ' | ' | $0.30 | ' | | $0.69 | ' | |
Net income per limited partner unit b diluted: | ' | ' | ' | ' | ' | | ' | ' | |
Net income attributable to partners | ' | ' | ' | 5,152 | ' | | 11,814 | ' | |
Weighted-average units outstanding | ' | ' | ' | 17,250 | ' | | 17,250 | ' | |
Common equivalent units for nonvested restricted units | ' | ' | ' | 1 | ' | | 1 | ' | |
Weighted-average units outstanding b diluted | ' | ' | ' | 17,251 | ' | | 17,251 | ' | |
Net income per limited partner unit b diluted | ' | ' | ' | $0.30 | ' | | $0.68 | ' | |
Common Unitholder Valero [Member] | ' | ' | ' | ' | ' | | ' | ' | |
Calculation of Earnings In Excess of Distributions | ' | ' | ' | ' | ' | | ' | ' | |
Net income attributable to partners | ' | ' | ' | 3,444 | ' | | 7,896 | ' | |
Distributions declared | ' | ' | ' | 2,770 | ' | | 7,790 | ' | |
Earnings in excess of distributions | ' | ' | ' | 674 | ' | | 106 | ' | |
Net income attributable to partners: | ' | ' | ' | ' | ' | | ' | ' | |
Distributions declared | ' | ' | ' | 2,770 | ' | | 7,790 | ' | |
Earnings in excess of distributions | ' | ' | ' | 674 | ' | | 106 | ' | |
Net income attributable to partners | ' | ' | ' | 3,444 | ' | | 7,896 | ' | |
Weighted-average units outstanding | ' | ' | ' | 11,540 | ' | | 11,540 | ' | |
Net income per limited partner unit b basic: | ' | ' | ' | ' | ' | | ' | ' | |
Distributions declared (per unit) | ' | ' | ' | $0.24 | ' | | $0.68 | ' | |
Earnings in excess of distributions (per unit) | ' | ' | ' | $0.06 | ' | | $0.01 | ' | |
Net income per limited partner unit b basic | ' | ' | ' | $0.30 | ' | | $0.69 | ' | |
Net income per limited partner unit b diluted: | ' | ' | ' | ' | ' | | ' | ' | |
Net income attributable to partners | ' | ' | ' | 3,444 | ' | | 7,896 | ' | |
Weighted-average units outstanding | ' | ' | ' | 11,540 | ' | | 11,540 | ' | |
Common equivalent units for nonvested restricted units | ' | ' | ' | 0 | ' | | 0 | ' | |
Weighted-average units outstanding b diluted | ' | ' | ' | 11,540 | ' | | 11,540 | ' | |
Net income per limited partner unit b diluted | ' | ' | ' | $0.30 | ' | | $0.68 | ' | |
Subordinated Unitholder Valero [Member] | ' | ' | ' | ' | ' | | ' | ' | |
Calculation of Earnings In Excess of Distributions | ' | ' | ' | ' | ' | | ' | ' | |
Net income attributable to partners | ' | ' | ' | 8,596 | ' | | 19,710 | ' | |
Distributions declared | ' | ' | ' | 6,909 | ' | | 19,433 | ' | |
Earnings in excess of distributions | ' | ' | ' | 1,687 | ' | | 277 | ' | |
Net income attributable to partners: | ' | ' | ' | ' | ' | | ' | ' | |
Distributions declared | ' | ' | ' | 6,909 | ' | | 19,433 | ' | |
Earnings in excess of distributions | ' | ' | ' | 1,687 | ' | | 277 | ' | |
Net income attributable to partners | ' | ' | ' | 8,596 | ' | | 19,710 | ' | |
Weighted-average units outstanding | ' | ' | ' | 28,790 | ' | | 28,790 | ' | |
Net income per limited partner unit b basic: | ' | ' | ' | ' | ' | | ' | ' | |
Distributions declared (per unit) | ' | ' | ' | $0.24 | ' | | $0.68 | ' | |
Earnings in excess of distributions (per unit) | ' | ' | ' | $0.06 | ' | | $0.01 | ' | |
Net income per limited partner unit b basic | ' | ' | ' | $0.30 | ' | | $0.69 | ' | |
Net income per limited partner unit b diluted: | ' | ' | ' | ' | ' | | ' | ' | |
Net income attributable to partners | ' | ' | ' | 8,596 | ' | | 19,710 | ' | |
Weighted-average units outstanding | ' | ' | ' | 28,790 | ' | | 28,790 | ' | |
Common equivalent units for nonvested restricted units | ' | ' | ' | 0 | ' | | 0 | ' | |
Weighted-average units outstanding b diluted | ' | ' | ' | 28,790 | ' | | 28,790 | ' | |
Net income per limited partner unit b diluted | ' | ' | ' | $0.30 | ' | | $0.68 | ' | |
General Partner Valero [Member] | ' | ' | ' | ' | ' | | ' | ' | |
Calculation of Earnings In Excess of Distributions | ' | ' | ' | ' | ' | | ' | ' | |
Net income attributable to partners | ' | ' | ' | 351 | ' | | 805 | ' | |
Distributions declared | ' | ' | ' | 282 | ' | | 793 | ' | |
Earnings in excess of distributions | ' | ' | ' | 69 | ' | | 12 | ' | |
Net income attributable to partners: | ' | ' | ' | ' | ' | | ' | ' | |
Distributions declared | ' | ' | ' | 282 | ' | | 793 | ' | |
Earnings in excess of distributions | ' | ' | ' | 69 | ' | | 12 | ' | |
Net income attributable to partners | ' | ' | ' | 351 | ' | | 805 | ' | |
Net income per limited partner unit b diluted: | ' | ' | ' | ' | ' | | ' | ' | |
Net income attributable to partners | ' | ' | ' | $351 | ' | | $805 | ' | |
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[1] | Prior period financial information has been retrospectively adjusted for the acquisition of the Texas Crude Systems Business from Valero Energy Corporation. See Notes 1 and 3. |