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Related-Party Transactions
6 Months Ended
Jun. 30, 2018
Related Party Transactions [Abstract]  
RELATED-PARTY TRANSACTIONS
3.
RELATED-PARTY TRANSACTIONS
Summary of Transactions
Related-Party Agreements
Effective March 31, 2017, we entered into a commercial agreement with Diamond Green Diesel Holdings LLC (DGD), a joint venture consolidated by Valero, to construct and operate a rail loading facility located at Valero’s St. Charles Refinery for the purpose of loading DGD’s renewable diesel onto railcars. The construction of the rail loading facility was completed in April 2017, and we began providing services to DGD in May 2017. In addition, we constructed a new 180,000 barrel storage tank and began leasing to DGD in April 2018. This commercial agreement, which includes both the rail loading facility and the storage tank, has an initial term that ends on June 30, 2033, and contains minimum commitments for DGD’s use of the assets.
Revenues Related Party
Revenues – related party include revenues from lease contracts and revenues from contracts with our customer, as further described in Note 5.

Related-Party Expenses
The related-party expenses include costs of revenues, expenses, or financing activities provided to us by Valero and are reflected in the supplemental information disclosure on our statements of income.
Concentration Risk
All of our related-party balances resulted from transactions with Valero. Therefore, we are subject to the business risks associated with Valero’s business.