Related Party Transactions	3 Months Ended
Related Party Transactions	Mar. 31, 2016
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 the general partner of Targa Resources Partners, L.P. (“Targa”) through February 29, 2016. In the normal course of business, we purchase butane from subsidiaries of Targa. For the three-month period ended March 31, 2015 and the two-month period ended February 29, 2016, we made purchases of butane from subsidiaries of Targa of $8.8 million and $4.7 million, respectively. These purchases were based on the then-current index prices. We had recognized payables to Targa of $2.0 million at December 31, 2015. Stacy P. Methvin was elected as an independent member of our general partner’s board of directors on April 23, 2015 and is also a director of one of our customers. We received tariff revenue of $3.0 million for the three-month period ended March 31, 2016 and recorded receivables of $1.3 million and $1.5 million from this customer at December 31, 2015 and March 31, 2016, 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 4 – Investments in Non-Controlled Entities for a discussion of affiliate joint venture transactions we account for under the equity method.

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.