Condensed Consolidated Statements of Operations and Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Revenues:
Product	$ 210,126	$ 288,736	$ 447,022	$ 508,867
Service	62,200	66,604	126,273	128,481
Other	15,051	21,886	28,933	38,188
Total revenues	287,377	377,226	602,228	675,536
Expenses:
Costs of products sold, exclusive of depreciation and amortization shown below	176,842	244,158	373,789	436,230
Operating	54,707	60,800	104,899	113,890
General and administrative	20,775	22,917	41,835	55,227
Depreciation and amortization	25,048	24,674	49,095	48,408
Loss on disposal or impairment, net	(1,685)	(1,372)	(14,992)	(2,430)
Total expenses	279,057	353,921	584,610	656,185
Earnings from equity method investments	17,078	23,903	40,149	44,462
Gain (loss) on issuance of common units by equity method investee	0	5,897	(41)	5,897
Operating income	25,398	53,105	57,726	69,710
Other expenses (income), net:
Interest expense	18,875	16,822	37,810	31,413
Foreign currency transaction loss (gain)	1,543	(295)	3,012	(814)
Loss (gain) on sale or impairment of equity method investment	(9,120)	(6,623)	30,644	(14,517)
Other income, net	(491)	(95)	(678)	(186)
Total other expenses, net	10,807	9,809	70,788	15,896
Income (loss) from continuing operations before income taxes	14,591	43,296	(13,062)	53,814
Income tax expense (benefit)	4,658	14,861	(16,749)	19,603
Income from continuing operations	9,933	28,435	3,687	34,211
Loss from discontinued operations, net of income taxes	(2)	(2)	(4)	(2)
Net income	9,931	28,433	3,683	34,209
Less: net income attributable to noncontrolling interests	1,922	5,136	10,942	9,446
Net income (loss) attributable to SemGroup	8,009	23,297	(7,259)	24,763
Other comprehensive income (loss), net of income taxes	6,591	5,520	2,482	(3,540)
Comprehensive income	16,522	33,953	6,165	30,669
Less: comprehensive income attributable to noncontrolling interests	1,922	5,136	10,942	9,446
Comprehensive income (loss) attributable to SemGroup	$ 14,600	$ 28,817	$ (4,777)	$ 21,223
Net income (loss) attributable to SemGroup per common share (Note 12):
Basic	$ 0.18	$ 0.53	$ (0.16)	$ 0.57
Diluted	$ 0.18	$ 0.53	$ (0.16)	$ 0.56