Rose Rock Midstream, L.P. (Details 4) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Summarized Income Statement Information
Revenue	$ 277,852	$ 391,522	$ 921,660	$ 1,135,087
Cost of products sold	189,830	313,490	651,283	896,871
Depreciation and amortization	12,081	12,894	35,687	38,355
Net income	(432)	14,339	8,921	2,072
Rose Rock Midstream, L.P. [Member]
Summarized Income Statement Information
Revenue	131,554	104,616	468,687	299,121
Cost of products sold	111,790	90,660	412,847	252,804
Operating, general and administrative expenses	9,779	6,570	25,976	20,202
Depreciation and amortization	3,066	3,122	9,032	8,505
Net income	$ 6,469	$ 3,830	$ 19,353	$ 16,407