Rose Rock Midstream, L.P. (Details 2) (USD $) In Thousands, except Per Share data, unless otherwise specified	0 Months Ended		9 Months Ended		0 Months Ended							9 Months Ended	0 Months Ended				9 Months Ended	0 Months Ended				9 Months Ended	0 Months Ended				9 Months Ended	0 Months Ended				9 Months Ended	0 Months Ended				9 Months Ended	0 Months Ended				9 Months Ended	0 Months Ended				12 Months Ended	0 Months Ended
	Feb. 13, 2012 Distribution of Q4 2011 earnings (pro-rated) [Member]		Sep. 30, 2013 Distribution of Q4 2011 earnings (pro-rated) [Member]		Feb. 13, 2012 Distribution of Q4 2011 earnings (pro-rated) [Member] Noncontrolling Interest [Member]		Feb. 13, 2012 Distribution of Q4 2011 earnings (pro-rated) [Member] Semgroup [Member] Common Unit [Member]		Feb. 13, 2012 Distribution of Q4 2011 earnings (pro-rated) [Member] Semgroup [Member] Subordinated Units [Member]		May 15, 2012 Distribution of Q1 2012 earnings [Member]	Sep. 30, 2013 Distribution of Q1 2012 earnings [Member]	May 15, 2012 Distribution of Q1 2012 earnings [Member] Noncontrolling Interest [Member]	May 15, 2012 Distribution of Q1 2012 earnings [Member] Semgroup [Member] Common Unit [Member]	May 15, 2012 Distribution of Q1 2012 earnings [Member] Semgroup [Member] Subordinated Units [Member]	Aug. 14, 2012 Distribution of Q2 2012 earnings [Member]	Sep. 30, 2013 Distribution of Q2 2012 earnings [Member]	Aug. 14, 2012 Distribution of Q2 2012 earnings [Member] Noncontrolling Interest [Member]	Aug. 14, 2012 Distribution of Q2 2012 earnings [Member] Semgroup [Member] Common Unit [Member]	Aug. 14, 2012 Distribution of Q2 2012 earnings [Member] Semgroup [Member] Subordinated Units [Member]	Nov. 14, 2012 Distribution of Q3 2012 earnings [Member]	Sep. 30, 2013 Distribution of Q3 2012 earnings [Member]	Nov. 14, 2012 Distribution of Q3 2012 earnings [Member] Noncontrolling Interest [Member]	Nov. 14, 2012 Distribution of Q3 2012 earnings [Member] Semgroup [Member] Common Unit [Member]	Nov. 14, 2012 Distribution of Q3 2012 earnings [Member] Semgroup [Member] Subordinated Units [Member]	Feb. 14, 2013 Distribution of Q4 2012 earnings [Member]	Sep. 30, 2013 Distribution of Q4 2012 earnings [Member]	Feb. 14, 2013 Distribution of Q4 2012 earnings [Member] Noncontrolling Interest [Member]	Feb. 14, 2013 Distribution of Q4 2012 earnings [Member] Semgroup [Member] Common Unit [Member]	Feb. 14, 2013 Distribution of Q4 2012 earnings [Member] Semgroup [Member] Subordinated Units [Member]	May 15, 2013 Distribution of Q1 2013 earnings [Member]	Sep. 30, 2013 Distribution of Q1 2013 earnings [Member]	May 15, 2013 Distribution of Q1 2013 earnings [Member] Noncontrolling Interest [Member]	May 15, 2013 Distribution of Q1 2013 earnings [Member] Semgroup [Member] Common Unit [Member]	May 15, 2013 Distribution of Q1 2013 earnings [Member] Semgroup [Member] Subordinated Units [Member]	Aug. 14, 2013 Distribution of Q2 2013 earnings [Member]	Sep. 30, 2013 Distribution of Q2 2013 earnings [Member]	Aug. 14, 2013 Distribution of Q2 2013 earnings [Member] Noncontrolling Interest [Member]	Aug. 14, 2013 Distribution of Q2 2013 earnings [Member] Semgroup [Member] Common Unit [Member]	Aug. 14, 2013 Distribution of Q2 2013 earnings [Member] Semgroup [Member] Subordinated Units [Member]	Nov. 14, 2013 Distribution of Q3 2013 earnings [Member]	Sep. 30, 2013 Distribution of Q3 2013 earnings [Member]	Nov. 14, 2013 Distribution of Q3 2013 earnings [Member] Noncontrolling Interest [Member]	Nov. 14, 2013 Distribution of Q3 2013 earnings [Member] Semgroup [Member] Common Unit [Member]	Nov. 14, 2013 Distribution of Q3 2013 earnings [Member] Semgroup [Member] Subordinated Units [Member]	Feb. 14, 2014 Subsequent Event [Member] Distribution of Q4 2013 earnings [Member]	Dec. 31, 2013 Subsequent Event [Member] Distribution of Q4 2013 earnings [Member]	Feb. 14, 2014 Subsequent Event [Member] Distribution of Q4 2013 earnings [Member] Noncontrolling Interest [Member]	Feb. 14, 2014 Subsequent Event [Member] Distribution of Q4 2013 earnings [Member] Semgroup [Member] Common Unit [Member]	Feb. 14, 2014 Subsequent Event [Member] Distribution of Q4 2013 earnings [Member] Semgroup [Member] Subordinated Units [Member]	Feb. 13, 2012 Semgroup [Member] Distribution of Q4 2011 earnings (pro-rated) [Member]		May 15, 2012 Semgroup [Member] Distribution of Q1 2012 earnings [Member]	Aug. 14, 2012 Semgroup [Member] Distribution of Q2 2012 earnings [Member]	Nov. 14, 2012 Semgroup [Member] Distribution of Q3 2012 earnings [Member]	Feb. 14, 2013 Semgroup [Member] Distribution of Q4 2012 earnings [Member]	May 15, 2013 Semgroup [Member] Distribution of Q1 2013 earnings [Member]	Aug. 14, 2013 Semgroup [Member] Distribution of Q2 2013 earnings [Member]	Nov. 14, 2013 Semgroup [Member] Distribution of Q3 2013 earnings [Member]	Feb. 14, 2014 Semgroup [Member] Subsequent Event [Member] Distribution of Q4 2013 earnings [Member]
Distributions Paid
Distribution Made to Member or Limited Partner, Declaration Date			Feb. 03, 2012	[1]								May 07, 2012					Aug. 06, 2012					Nov. 05, 2012					Feb. 04, 2013					May 06, 2013					Aug. 05, 2013					Nov. 05, 2013					Feb. 04, 2014
Distribution Made to Limited Partner, Distribution Date			Feb. 13, 2012	[1]								May 15, 2012					Aug. 14, 2012					Nov. 14, 2012					Feb. 14, 2013					May 15, 2013					Aug. 14, 2013					Nov. 14, 2013					Feb. 14, 2014
Distribution per unit	$ 0.0670	[1]									$ 0.3725					$ 0.3825					$ 0.3925					$ 0.4025					$ 0.4300					$ 0.4400					$ 0.4500					$ 0.4650
General partner distributions																																																			$ 23	[1]	$ 128	$ 131	$ 134	$ 167	$ 179	$ 183	$ 232	$ 257
Incentive distributions																																																			0	[1]	0	0	0	0	41	72	127	244
Total distributions paid					470	[1]	93	[1]	561	[1]			2,607	517	3,125			2,678	532	3,209			2,748	545	3,294			3,624	1,163	3,377			3,872	1,242	3,607			3,962	1,271	3,692			6,189	1,301	3,775			6,398	2,041	3,901
Partners' Capital Account, Distributions	$ 1,147	[1]									$ 6,377					$ 6,550					$ 6,721					$ 8,331					$ 8,941					$ 9,180					$ 11,624					$ 12,841

[1] *Minimum quarterly distribution for quarter ended December 31, 2011 was prorated for the period beginning immediately after the closing of Rose Rock’s IPO, December 14, 2011 through December 31, 2011.