Rose Rock Midstream, L.P. (Details Textual) shares in Millions, $ in Millions	9 Months Ended
Sep. 30, 2016 USD ($) shares
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Payments of Stock Issuance Costs	$ 4.3
Rose Rock merger agreement [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares \| shares	13.1
Payments of Stock Issuance Costs	$ 5.3

Number of shares of equity interests issued or issuable to acquire entity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(4)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

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- Definition

The cash outflow for cost incurred directly with the issuance of an equity security.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585

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+ References

No definition available.

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