Condensed Consolidated Statements of Operations and Comprehensive Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Revenues:
Product	$ 220,131	$ 427,030
Service	61,877	48,507
Other	16,302	23,346
Total revenues	298,310	498,883
Expenses:
Costs of products sold, exclusive of depreciation and amortization shown below	192,072	385,113
Operating	53,090	50,778
General and administrative	32,310	18,736
Depreciation and amortization	23,734	23,637
Loss (gain) on disposal or impairment of long-lived assets, net	1,058	(58)
Total expenses	302,264	478,206
Earnings from equity method investments	20,559	14,962
Gain on issuance of common units by equity method investee	0	8,127
Operating income	16,605	43,766
Other expenses (income), net:
Interest expense	14,591	9,227
Foreign currency transaction gain	(519)	(683)
Other income, net	(7,985)	(1,047)
Total other expenses, net	6,087	7,497
Income from continuing operations before income taxes	10,518	36,269
Income tax expense	4,742	16,526
Income from continuing operations	5,776	19,743
Loss from discontinued operations, net of income taxes	0	(5)
Net income	5,776	19,738
Less: net income attributable to noncontrolling interests	4,310	6,150
Net income attributable to SemGroup	1,466	13,588
Other comprehensive loss, net of income taxes	(9,060)	(2,972)
Comprehensive income (loss)	(3,284)	16,766
Less: comprehensive income attributable to noncontrolling interests	4,310	6,150
Comprehensive income (loss) attributable to SemGroup	$ (7,594)	$ 10,616
Net income attributable to SemGroup per common share (Note 11):
Basic	$ 0.03	$ 0.32
Diluted	$ 0.03	$ 0.29