Rose Rock Midstream, L.P. (Details 4) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Summarized Income Statement Information
Revenue	$ 287,696	$ 312,031
Cost of products sold	212,369	241,521
Depreciation and amortization	12,636	11,892
Net income	48,566	2,110
Equity method investment	17,345	7,498
Net Income	43,423	(1,373)
Rose Rock Midstream, L.P. [Member]
Summarized Income Statement Information
Revenue	171,232	179,715
Cost of products sold	148,451	160,508
Operating, general and administrative expenses	8,979	7,930
Depreciation and amortization	3,507	2,967
Equity method investment	3,453	0
Net Income	$ 11,994	$ 7,758