Consolidation And Basis Of Presentation [Line Items]

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- Definition

Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=51824106&loc=d3e2443-110228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=51719941&loc=d3e2941-110230

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

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- Definition

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.13)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 13
-Subparagraph a
-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 8
-Article 7

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Consolidation And Basis Of Presentation (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Consolidation And Basis Of Presentation [Line Items]
Property, plant and equipment	$ 1,566,821,000	$ 1,256,825,000
SemCAMS [Member] \| Proportionally Consolidated Assets [Member]
Consolidation And Basis Of Presentation [Line Items]
Property, plant and equipment	$ 273,000,000
White Cliffs Pipeline, LLC [Member]
Consolidation And Basis Of Presentation [Line Items]
Equity method investment, ownership percentage	51.00%
White Cliffs Pipeline, LLC [Member] \| Semcrude Pipeline [Member]
Consolidation And Basis Of Presentation [Line Items]
Equity method investment, ownership percentage	51.00%
White Cliffs Pipeline, LLC [Member] \| Crude Transportation [Member]
Consolidation And Basis Of Presentation [Line Items]
Equity method investment, ownership percentage	51.00%
Glass Mountain Pipeline LLC [Member] \| Crude Transportation [Member]
Consolidation And Basis Of Presentation [Line Items]
Equity method investment, ownership percentage	50.00%
Wattenberg Oil Trunkline and Glass Mountain Pipeline [Member] \| Common control transaction [Member] \| Rose Rock Midstream L P [Member]
Consolidation And Basis Of Presentation [Line Items]
Gain (loss) on disposal, excluding discontinued operations	$ 0
Semcrude Pipeline [Member] \| Common control transaction [Member] \| Rose Rock Midstream L P [Member]
Consolidation And Basis Of Presentation [Line Items]
Gain (loss) on disposal, excluding discontinued operations		$ 0