Related Party Transactions	12 Months Ended
Dec. 31, 2018
Related Party Transactions [Abstract]
Related Party Transactions	Related Party Transactions Barry R. Pearl is an independent member of our general partner’s board of directors and was also a director of Targa Resources Partners, L.P. (“Targa”) through February 29, 2016. In the normal course of business, we purchase butane from subsidiaries of Targa. During Mr. Pearl’s tenure as a director of the general partner of Targa, we made purchases of butane from subsidiaries of Targa of $4.7 million for the year ended December 31, 2016. Stacy P. Methvin is an independent member of our general partner’s board of directors and is also a director of one of our customers. We received tariff, terminalling and other ancillary revenue from this customer of $16.2 million, $16.6 million and $21.7 million for the periods ending December 31, 2016, 2017 and 2018, respectively. We recorded a receivable of $1.6 million and $1.9 million from this customer at December 31, 2017 and 2018, respectively. The tariff revenue we recognized from this customer was in the normal course of business, with rates determined in accordance with published tariffs. See Note 5 – Investments in Non-Controlled Entities for a discussion of transactions with our joint venture affiliates.

Related Party Transactions

Barry R. Pearl is an independent member of our general partner’s board of directors and was also a director of Targa Resources Partners, L.P. (“Targa”) through February 29, 2016. In the normal course of business, we purchase butane from subsidiaries of Targa. During Mr. Pearl’s tenure as a director of the general partner of Targa, we made purchases of butane from subsidiaries of Targa of $4.7 million for the year ended December 31, 2016.

Stacy P. Methvin is an independent member of our general partner’s board of directors and is also a director of one of our customers. We received tariff, terminalling and other ancillary revenue from this customer of $16.2 million, $16.6 million and $21.7 million for the periods ending December 31, 2016, 2017 and 2018, respectively. We recorded a receivable of $1.6 million and $1.9 million from this customer at December 31, 2017 and 2018, respectively. The tariff revenue we recognized from this customer was in the normal course of business, with rates determined in accordance with published tariffs.

See Note 5 – Investments in Non-Controlled Entities for a discussion of transactions with our joint venture affiliates.