Rose Rock Midstream, L.P. (Tables)

12 Months Ended

Dec. 31, 2013

Investments in and Advances to Affiliates, Schedule of Investments [Abstract]

Quarterly Target Distributions

Rose Rock’s partnership agreement requires Rose Rock to distribute all of its available cash each quarter in the following manner:

	Total Quarterly Distributions Per Unit Target Amount						Marginal Percentage Interest in Distributions
							Unitholders		General Partner		Incentive Distribution Rights
Minimum Quarterly Distributions					$	0.362500	98.0	%	2.0	%	—
First Target Distribution	above	$	0.362500	up to	$	0.416875	98.0	%	2.0	%	—
Second Target Distribution	above	$	0.416875	up to	$	0.453125	85.0	%	2.0	%	13.0	%
Third Target Distribution	above	$	0.453125	up to	$	0.543750	75.0	%	2.0	%	23.0	%
Thereafter				above	$	0.543750	50.0	%	2.0	%	48.0	%

Distributions Paid

The following table shows the distributions paid (in thousands, except for per unit amounts):

		Record Date	Payment Date	Distribution Per Unit			Distributions Paid
Quarter Ended							SemGroup								Noncontrolling Interest Common Units		Total Distributions
							General Partner		Incentive Distributions		Common Units		Subordinated Units
December 31, 2011	*	February 3, 2012	February 13, 2012	$	0.0670	*	$	23	$	—	$	93	$	561	$	470	$	1,147
March 31, 2012		May 7, 2012	May 15, 2012	$	0.3725		$	128	$	—	$	517	$	3,125	$	2,607	$	6,377
June 30, 2012		August 6, 2012	August 14, 2012	$	0.3825		$	131	$	—	$	532	$	3,209	$	2,678	$	6,550
September 30, 2012		November 5, 2012	November 14, 2012	$	0.3925		$	134	$	—	$	545	$	3,294	$	2,748	$	6,721
December 31, 2012		February 4, 2013	February 14, 2013	$	0.4025		$	167	$	—	$	1,163	$	3,377	$	3,624	$	8,331
March 31, 2013		May 6, 2013	May 15, 2013	$	0.4300		$	179	$	41	$	1,242	$	3,607	$	3,872	$	8,941
June 30, 2013		August 5, 2013	August 14, 2013	$	0.4400		$	183	$	72	$	1,271	$	3,692	$	3,962	$	9,180
September 30, 2013		November 5, 2013	November 14, 2013	$	0.4500		$	232	$	127	$	1,301	$	3,775	$	6,189	$	11,624
December 31, 2013		February 4, 2014	February 14, 2014	$	0.4650		$	257	$	244	$	2,041	$	3,901	$	6,398	$	12,841

*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.

Summarized Balance Sheet Information

Certain summarized balance sheet information of Rose Rock is shown below (in thousands):

	December 31, 2013		December 31, 2012
Cash	$	15,459	$	108
Other current assets	306,128		250,509
Property, plant and equipment	311,616		291,530
Equity method investment	224,095		—
Goodwill	28,322		—
Other noncurrent assets	11,627		2,579
Total assets	$	897,247	$	544,726
Current liabilities	$	293,031	$	231,843
Long-term debt	245,088		4,562
Partners’ capital attributable to SemGroup	120,610		179,187
Partners’ capital attributable to noncontrolling interests	159,961		129,134
Noncontrolling interest in consolidated subsidiaries retained by SemGroup	78,557		—
Total liabilities and partners’ capital	$	897,247	$	544,726

Summarized Income Statement Information

Certain summarized income statement information of Rose Rock for the years endedDecember 31, 2013, 2012, and 2011 is shown below (in thousands):

	Year Ended December 31, 2013		Year Ended December 31, 2012		Year Ended December 31, 2011
Revenue	$	766,526	$	620,417	$	431,321
Costs of products sold	$	663,759	$	546,966	$	366,265
Operating, general and administrative expenses	$	51,082	$	35,385	$	28,816
Depreciation and amortization expense	$	23,165	$	12,131	$	11,379
Earnings from equity method investment	$	17,571	$	—	$	—
Net income	$	38,005	$	23,954	$	23,235
Noncontrolling interest in consolidated subsidiaries retained by SemGroup	$	1,256	$	—	$	—
Net income attributable to Rose Rock Midstream, L.P.	$	36,749	$	23,954	$	23,235