Condensed Consolidated Statements of Operations and Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Revenues:
Sales Revenue, Goods, Net	$ 373,361	$ 236,896
Sales Revenue, Services, Net	68,193	64,073
Other	14,546	13,882
Revenue, Net	456,100	314,851
Expenses:
Cost of Goods Sold, Excluding Depreciation, Depletion, and Amortization	348,998	196,947
Operating	52,083	50,192
General and administrative	21,644	21,060
Depreciation, Depletion and Amortization	24,599	24,051
Loss on disposal or impairment, net	2,410	13,307
Total expenses	449,734	305,557
Earnings from equity method investments	17,091	23,071
Loss on issuance of common units by equity method investee	0	(41)
Operating income	23,457	32,324
Other expenses (income), net:
Interest expense	13,867	17,577
Loss on early extinguishment of debt	19,922	0
Foreign currency transaction loss	0	1,469
Loss on sale or impairment of equity method investment	0	39,764
Other income, net	(150)	(188)
Total other expenses, net	33,639	58,622
Loss from continuing operations before income taxes	(10,182)	(26,298)
Income tax expense (benefit)	95	(21,407)
Loss from continuing operations	(10,277)	(4,891)
Loss from discontinued operations, net of income taxes	0	(2)
Net loss	(10,277)	(4,893)
Less: net income attributable to noncontrolling interests	0	9,020
Net loss attributable to SemGroup	(10,277)	(13,913)
Other comprehensive income (loss), net of income taxes	6,033	(4,109)
Comprehensive loss	(4,244)	(9,002)
Less: comprehensive income attributable to noncontrolling interests	0	9,020
Comprehensive loss attributable to SemGroup	$ (4,244)	$ (18,022)
Net loss attributable to SemGroup per common share (Note 10):
Basic	$ (0.16)	$ (0.32)
Diluted	$ (0.16)	$ (0.32)