Related Party Transactions

3 Months Ended

Mar. 31, 2016

Related Party Transactions [Abstract]

RELATED PARTY TRANSACTIONS

RELATED PARTY TRANSACTIONS

NGL Energy

As described in Note 3, we own interests in NGL Energy, which we account for under the equity method.

During the three months ended March 31, 2016 and 2015, we generated the following transactions with NGL Energy and its subsidiaries (in thousands):

	Three Months Ended March 31,
	2016		2015
Revenues	$	8,529	$	45,469
Purchases	$	6,830	$	35,234
Reimbursements from NGL Energy for services	$	—	$	42

Transactions with NGL Energy and its subsidiaries primarily relate to marketing, leased storage and transportation services of crude oil, including buy/sell transactions. In accordance with ASC 845-10-15, these transactions were reported as revenue on a net basis in our condensed consolidated statements of operations and comprehensive income (loss) because the purchases of inventory and subsequent sales of the inventory were with the same counterparty.

White Cliffs

During the three months ended March 31, 2016 and 2015, we generated storage revenue from White Cliffs of approximately $1.1 million and $1.0 million, respectively. We incurred $2.5 million and $0.7 million of cost for the three months ended March 31, 2016 and 2015, respectively, related to transportation fees for shipments on White Cliffs. We received $0.1 million and $0.1 million in management fees from White Cliffs for the three months ended March 31, 2016 and 2015, respectively.

Glass Mountain

We incurred $1.9 million and $0.5 million of cost for the three months ended March 31, 2016 and 2015, respectively, related to transportation fees for shipments on the Glass Mountain Pipeline. We received $0.2 million and $0.2 million in fees from Glass Mountain for the three months ended March 31, 2016 and 2015, respectively, related to support and administrative services associated with pipeline operations. We made purchases of crude oil of $0.4 million and $1.5 million from Glass Mountain during the three months ended March 31, 2016 and 2015, respectively.

Legal services

The law firm of Conner & Winters, LLP, of which Mark D. Berman is a partner, performs legal services for us. Mr. Berman is the spouse of Candice L. Cheeseman, Vice President and General Counsel. Mr. Berman does not perform any legal services for us. SemGroup paid $0.2 million and $0.3 million in legal fees and related expenses to this law firm during the three months ended March 31, 2016 and 2015, respectively.