Condensed Consolidating Guarantor Financial Statements - Cash Flow Statements (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	$ 28,898	$ 27,303
Cash flows from investing activities:
Capital expenditures	(56,753)	(21,906)
Proceeds from sale of long-lived assets	695	167
Investments in non-consolidated subsidiaries	(24,251)	(36,425)
Proceeds from the sale of interest in SemCrude Pipeline, L.L.C. to Rose Rock Midstream L.P.		0
Distributions in excess of equity in earnings of affiliates	2,505	1,114
Net cash used in investing activities	(77,804)	(57,050)
Cash flows from financing activities:
Debt issuance costs	(155)	(1,612)
Borrowings on credit facilities	186,000	229,474
Principal payments on credit facilities and other obligations	(128,509)	(255,006)
Proceeds from issuance of Rose Rock Midstream, L.P. common units, net of offering costs	0	57,886
Distributions to noncontrolling interests	(6,398)	(3,624)
Repurchase of common stock for payment of statutory taxes due on equity-based compensation	(719)	(371)
Dividends paid	(9,382)	0
Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Excluding Stock Options	88	0
Excess Tax Benefit from Share-based Compensation, Financing Activities	1,650	0
Intercompany borrowings (advances), net	0	0
Net cash provided by (used in) financing activities	42,575	26,747
Effect of exchange rate changes on cash and cash equivalents	1,938	323
Change in cash and cash equivalents	(4,393)	(2,677)
Cash and cash equivalents at beginning of period	79,351	80,029
Cash and cash equivalents at end of period	74,958	77,352
Parent Company [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	1,079	4,488
Cash flows from investing activities:
Capital expenditures	(242)	(279)
Proceeds from sale of long-lived assets	0	0
Investments in non-consolidated subsidiaries	0	0
Proceeds from the sale of interest in SemCrude Pipeline, L.L.C. to Rose Rock Midstream L.P.		189,500
Distributions in excess of equity in earnings of affiliates	0	0
Net cash used in investing activities	(242)	189,221
Cash flows from financing activities:
Debt issuance costs	(93)	0
Borrowings on credit facilities	140,000	33,500
Principal payments on credit facilities and other obligations	(82,000)	(211,500)
Proceeds from issuance of Rose Rock Midstream, L.P. common units, net of offering costs		0
Distributions to noncontrolling interests	0	0
Repurchase of common stock for payment of statutory taxes due on equity-based compensation	(719)	(371)
Dividends paid	(9,382)
Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Excluding Stock Options	88
Excess Tax Benefit from Share-based Compensation, Financing Activities	1,650
Intercompany borrowings (advances), net	(48,435)	(21,090)
Net cash provided by (used in) financing activities	1,109	(199,461)
Effect of exchange rate changes on cash and cash equivalents	0	0
Change in cash and cash equivalents	1,946	(5,752)
Cash and cash equivalents at beginning of period	2,545	19,123
Cash and cash equivalents at end of period	4,491	13,371
Guarantor Subsidiaries [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	10,532	6,877
Cash flows from investing activities:
Capital expenditures	(42,272)	(11,163)
Proceeds from sale of long-lived assets	11	(5)
Investments in non-consolidated subsidiaries	(11,099)	(13,376)
Proceeds from the sale of interest in SemCrude Pipeline, L.L.C. to Rose Rock Midstream L.P.		0
Distributions in excess of equity in earnings of affiliates	0	0
Net cash used in investing activities	(53,360)	(24,544)
Cash flows from financing activities:
Debt issuance costs	0	0
Borrowings on credit facilities	0	0
Principal payments on credit facilities and other obligations	0	0
Proceeds from issuance of Rose Rock Midstream, L.P. common units, net of offering costs		0
Distributions to noncontrolling interests	0	0
Repurchase of common stock for payment of statutory taxes due on equity-based compensation	0	0
Dividends paid	0
Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Excluding Stock Options	0
Excess Tax Benefit from Share-based Compensation, Financing Activities	0
Intercompany borrowings (advances), net	42,828	17,667
Net cash provided by (used in) financing activities	42,828	17,667
Effect of exchange rate changes on cash and cash equivalents	0	0
Change in cash and cash equivalents	0	0
Cash and cash equivalents at beginning of period	0	0
Cash and cash equivalents at end of period	0	0
Non-Guarantor Subsidiaries [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	23,174	21,028
Cash flows from investing activities:
Capital expenditures	(14,239)	(10,464)
Proceeds from sale of long-lived assets	684	172
Investments in non-consolidated subsidiaries	(13,152)	(23,049)
Proceeds from the sale of interest in SemCrude Pipeline, L.L.C. to Rose Rock Midstream L.P.		0
Distributions in excess of equity in earnings of affiliates	2,505	1,114
Net cash used in investing activities	(24,202)	(32,227)
Cash flows from financing activities:
Debt issuance costs	(62)	(1,612)
Borrowings on credit facilities	46,000	195,974
Principal payments on credit facilities and other obligations	(46,509)	(43,506)
Proceeds from issuance of Rose Rock Midstream, L.P. common units, net of offering costs		57,886
Distributions to noncontrolling interests	(6,398)	(3,624)
Repurchase of common stock for payment of statutory taxes due on equity-based compensation	0	0
Dividends paid	0
Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Excluding Stock Options	0
Excess Tax Benefit from Share-based Compensation, Financing Activities	0
Intercompany borrowings (advances), net	135	(186,402)
Net cash provided by (used in) financing activities	(6,834)	18,716
Effect of exchange rate changes on cash and cash equivalents	1,938	323
Change in cash and cash equivalents	(5,924)	7,840
Cash and cash equivalents at beginning of period	78,364	63,844
Cash and cash equivalents at end of period	72,440	71,684
Consolidation, Eliminations [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	(5,887)	(5,090)
Cash flows from investing activities:
Capital expenditures	0	0
Proceeds from sale of long-lived assets	0	0
Investments in non-consolidated subsidiaries	0	0
Proceeds from the sale of interest in SemCrude Pipeline, L.L.C. to Rose Rock Midstream L.P.		(189,500)
Distributions in excess of equity in earnings of affiliates	0	0
Net cash used in investing activities	0	(189,500)
Cash flows from financing activities:
Debt issuance costs	0	0
Borrowings on credit facilities	0	0
Principal payments on credit facilities and other obligations	0	0
Proceeds from issuance of Rose Rock Midstream, L.P. common units, net of offering costs		0
Distributions to noncontrolling interests	0	0
Repurchase of common stock for payment of statutory taxes due on equity-based compensation	0	0
Dividends paid	0
Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Excluding Stock Options	0
Excess Tax Benefit from Share-based Compensation, Financing Activities	0
Intercompany borrowings (advances), net	5,472	189,825
Net cash provided by (used in) financing activities	5,472	189,825
Effect of exchange rate changes on cash and cash equivalents	0	0
Change in cash and cash equivalents	(415)	(4,765)
Cash and cash equivalents at beginning of period	(1,558)	(2,938)
Cash and cash equivalents at end of period	$ (1,973)	$ (7,703)