Subsequent Events (Notes)	9 Months Ended
Sep. 30, 2014
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events Distribution Declaration On October 24, 2014, our general partner's board of directors declared a quarterly cash distribution of $0.49 per limited partner unit, based on the available cash as of the third quarter of 2014, payable on November 14, 2014, to unitholders of record on November 6, 2014. Terminal and Pipeline Acquisition On October 1, 2014, we purchased (i) a light products terminal in Mount Pleasant, Texas (the "Mount Pleasant Terminal"), (ii) a light products storage facility in Greenville, Texas (the "Greenville Storage Facility") and (iii) a 76-mile pipeline connecting the locations (the "Greenville-Mount Pleasant Pipeline"). The Mount Pleasant Terminal, the Greenville Storage Facility and the Greenville-Mount Pleasant Pipeline are hereinafter collectively referred to as the "Greenville-Mount Pleasant Assets." We acquired the Greenville-Mount Pleasant Assets from an affiliate of Magellan Midstream Partners, L.P. to complement our existing assets and provide enhanced logistical capabilities. The Mount Pleasant Terminal consists of approximately 200,000 barrels of light product storage capacity, three truck loading lanes and ethanol blending capability. The Greenville Storage Facility has approximately 325,000 barrels of storage capacity and is connected to the Explorer Pipeline System. The aggregate purchase price was approximately $11.1 million, including approximately $1.1 million in finished product inventory. The acquisition was financed with cash on hand and borrowings under the Amended and Restated Credit Agreement. The purchase price has been preliminarily allocated to inventory and property, plant and equipment. The property, plant and equipment valuation is subject to change during the purchase price allocation period. As the initial accounting for the acquisition of the Greenville-Mount Pleasant Assets was incomplete at the time the financial statements were available to be issued, there are no pro forma disclosures available for the three and nine months ended September 30, 2014 and 2013.

Subsequent Events

Distribution Declaration

On October 24, 2014, our general partner's board of directors declared a quarterly cash distribution of $0.49 per limited partner unit, based on the available cash as of the third quarter of 2014, payable on November 14, 2014, to unitholders of record on November 6, 2014.

Terminal and Pipeline Acquisition

On October 1, 2014, we purchased (i) a light products terminal in Mount Pleasant, Texas (the "Mount Pleasant Terminal"), (ii) a light products storage facility in Greenville, Texas (the "Greenville Storage Facility") and (iii) a 76-mile pipeline connecting the locations (the "Greenville-Mount Pleasant Pipeline"). The Mount Pleasant Terminal, the Greenville Storage Facility and the Greenville-Mount Pleasant Pipeline are hereinafter collectively referred to as the "Greenville-Mount Pleasant Assets." We acquired the Greenville-Mount Pleasant Assets from an affiliate of Magellan Midstream Partners, L.P. to complement our existing assets and provide enhanced logistical capabilities. The Mount Pleasant Terminal consists of approximately 200,000 barrels of light product storage capacity, three truck loading lanes and ethanol blending capability. The Greenville Storage Facility has approximately 325,000 barrels of storage capacity and is connected to the Explorer Pipeline System. The aggregate purchase price was approximately $11.1 million, including approximately $1.1 million in finished product inventory. The acquisition was financed with cash on hand and borrowings under the Amended and Restated Credit Agreement. The purchase price has been preliminarily allocated to inventory and property, plant and equipment. The property, plant and equipment valuation is subject to change during the purchase price allocation period. As the initial accounting for the acquisition of the Greenville-Mount Pleasant Assets was incomplete at the time the financial statements were available to be issued, there are no pro forma disclosures available for the three and nine months ended September 30, 2014 and 2013.