Basis point adjustment to discount rate on early redemptions of senior notes prior to May 15, 2019

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- Definition

Debt Instrument Annual Administrative Fee

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No definition available.

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- Definition

Debt Instrument, Discount, Percentage

+ References

No definition available.

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- Definition

Debt instrument redemption premium

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No definition available.

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- Definition

Line of Credit Facility, Maximum Borrowing Incremental Increases

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No definition available.

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- Definition

Long term debt.

+ References

No definition available.

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- Definition

Percentage of line of credit facility fronting fee.

+ References

No definition available.

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- Definition

Percent of senior notes redeemable from offering proceeds

+ References

No definition available.

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- Definition

Percentage of Senior Notes Redemable Prior to June 15, 2016

+ References

No definition available.

+ Details

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph e
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- Definition

The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

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- Definition

Amount of debt issuance costs (for example, but not limited to, legal, accounting, broker, and regulatory fees).

+ References

No definition available.

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- Definition

Net amount of long-term deferred finance costs capitalized at the end of the reporting period.

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-Name Accounting Standards Codification
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- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

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-Paragraph 2
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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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- Definition

The effective interest rate at the end of the reporting period.

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-Name Accounting Standards Codification
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-SubTopic 10
-Section S99
-Paragraph 1
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The effective interest rate during the reporting period.

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-Section S99
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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section S99
-Paragraph 1
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- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

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- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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No definition available.

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Long-Term Debt (Details Textual) $ in Thousands, MXN in Millions		12 Months Ended
	May. 14, 2015 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2015 MXN
Rose Rock Midstream L P [Member] \| Bilateral Letter of Credit [Member]
Long Term Debt (Textual) [Abstract]
Letters of credit outstanding		$ 42,900
Interest rate in effect		1.75%			1.75%
Rose Rock Midstream L P [Member] \| Minimum [Member] \| Letter of Credit [Member]
Long Term Debt (Textual) [Abstract]
Line of Credit Facility, Interest Rate During Period		1.75%
Rose Rock Midstream L P [Member] \| Maximum [Member] \| Letter of Credit [Member]
Long Term Debt (Textual) [Abstract]
Line of Credit Facility, Interest Rate During Period		3.00%
Rose Rock Midstream L P [Member] \| Revolving Credit Facility [Member]
Long Term Debt (Textual) [Abstract]
Interest expense recorded		$ 6,900	$ 9,000	$ 8,700
Maximum borrowing capacity		585,000
Borrowings outstanding		0	32,000
Line of Credit Facility, Maximum Borrowing Incremental Increases		200,000
Debt Instrument Annual Administrative Fee		100
Rose Rock Midstream L P [Member] \| Revolving Credit Facility [Member] \| Letter of Credit [Member]
Long Term Debt (Textual) [Abstract]
Maximum borrowing capacity		150,000
Letters of credit outstanding		$ 35,300
Interest rate in effect		2.50%			2.50%
Percentage of line of credit facility fronting fee		0.25%
Rose Rock Midstream L P [Member] \| Revolving Credit Facility [Member] \| Minimum [Member]
Long Term Debt (Textual) [Abstract]
Commitment fee on unused capacity		0.375%
Rose Rock Midstream L P [Member] \| Revolving Credit Facility [Member] \| Maximum [Member]
Long Term Debt (Textual) [Abstract]
Commitment fee on unused capacity		0.50%
Rose Rock Notes due 2022 [Member] \| Rose Rock Midstream L P [Member]
Long Term Debt (Textual) [Abstract]
Debt Instrument, Face Amount		$ 400,000
Rose Rock Notes due 2022 [Member] \| Rose Rock Midstream L P [Member] \| Senior Notes [Member]
Long Term Debt (Textual) [Abstract]
Debt instrument, interest rate stated percentage		5.625%			5.625%
Interest expense recorded		$ 23,500	11,700
Senior Notes [Member]
Long Term Debt (Textual) [Abstract]
Debt instrument, interest rate stated percentage		7.50%			7.50%
Rose Rock Notes due 2023 [Member] \| Rose Rock Midstream L P [Member]
Long Term Debt (Textual) [Abstract]
Debt Instrument, Face Amount		$ 350,000
Rose Rock Notes due 2023 [Member] \| Rose Rock Midstream L P [Member] \| Senior Notes [Member]
Long Term Debt (Textual) [Abstract]
Debt instrument, interest rate stated percentage		5.625%			5.625%
Interest expense recorded		$ 13,200
Debt Instrument, Discount, Percentage	98.345%
Debt Instrument, Unamortized Discount	$ 5,800	$ 5,500
Proceeds from Issuance of Debt	337,700
Deferred borrowing costs	$ 6,500
Rose Rock notes [Member]
Debt Instrument [Line Items]
Percent of senior notes redeemable from offering proceeds		35.00%
Rose Rock notes [Member] \| Senior Notes [Member]
Long Term Debt (Textual) [Abstract]
Basis point adjustment to discount rate		50			50
Sale of stock [Member] \| Rose Rock notes [Member] \| Senior Notes [Member]
Long Term Debt (Textual) [Abstract]
Early redemption premium		105.625%
Change of control [Member] \| Rose Rock notes [Member] \| Senior Notes [Member]
Long Term Debt (Textual) [Abstract]
Early redemption premium		101.00%
Corporate Segment [Member]
Long Term Debt (Textual) [Abstract]
Debt Instrument, Face Amount		$ 300,000
Senior Notes Redemable Prior to June 15, 2016		35.00%
Corporate Segment [Member] \| Revolving Credit Facility [Member]
Long Term Debt (Textual) [Abstract]
Interest expense recorded		$ 3,800	6,300	7,700
Maximum borrowing capacity		500,000
Borrowings outstanding		30,000	35,000
Line of Credit Facility, Maximum Borrowing Incremental Increases		300,000
Debt Instrument Annual Administrative Fee		100
Corporate Segment [Member] \| Revolving Credit Facility [Member] \| Alternate Base Rate Borrowings [Member]
Long Term Debt (Textual) [Abstract]
Borrowings outstanding		$ 30,000
Interest rate in effect		4.50%			4.50%
Corporate Segment [Member] \| Revolving Credit Facility [Member] \| Minimum [Member]
Long Term Debt (Textual) [Abstract]
Interest rate in effect		2.00%			2.00%
Commitment fee on unused capacity		0.375%
Corporate Segment [Member] \| Revolving Credit Facility [Member] \| Maximum [Member]
Long Term Debt (Textual) [Abstract]
Interest rate in effect		3.25%			3.25%
Commitment fee on unused capacity		0.50%
Corporate Segment [Member] \| Letter of Credit [Member]
Long Term Debt (Textual) [Abstract]
Maximum borrowing capacity		$ 250,000
Letters of credit outstanding		$ 4,700
Interest rate in effect		2.00%			2.00%
Percentage of line of credit facility fronting fee		0.25%
Corporate Segment [Member] \| Senior Notes [Member]
Long Term Debt (Textual) [Abstract]
Debt instrument, interest rate stated percentage		7.50%			7.50%
Interest expense recorded		$ 23,300	23,300	12,700
SemMexico [Member]
Long Term Debt (Textual) [Abstract]
Interest expense recorded		100	200	$ 200
SemMexico [Member] \| Revolving Credit Facility [Member]
Long Term Debt (Textual) [Abstract]
Maximum borrowing capacity		5,800			MXN 100.0
Borrowings outstanding		0	$ 0
SemMexico [Member] \| Revolving Credit Facility [Member] \| Letter of Credit [Member]
Long Term Debt (Textual) [Abstract]
Letters of credit outstanding		$ 16,900			MXN 292.8
SemMexico [Member] \| Revolving Credit Facility [Member] \| Minimum [Member] \| Letter of Credit [Member]
Long Term Debt (Textual) [Abstract]
Interest rate in effect		0.25%			0.25%
Fair Value, Inputs, Level 2 [Member] \| Rose Rock Notes due 2022 [Member] \| Rose Rock Midstream L P [Member] \| Senior Notes [Member]
Long Term Debt (Textual) [Abstract]
Long-term Debt, Fair Value		$ 337,000
Fair Value, Inputs, Level 2 [Member] \| Rose Rock Notes due 2023 [Member] \| Rose Rock Midstream L P [Member] \| Senior Notes [Member]
Long Term Debt (Textual) [Abstract]
Long-term Debt, Fair Value		300,000
Fair Value, Inputs, Level 2 [Member] \| Corporate Segment [Member] \| Senior Notes [Member]
Long Term Debt (Textual) [Abstract]
Long-term Debt, Fair Value		$ 279,000
Redemption prior to June 15, 2016 [Member] \| Rose Rock notes [Member] \| Senior Notes [Member]
Long Term Debt (Textual) [Abstract]
Debt instrument redemption premium		1.00%
Redemption prior to June 15, 2016 [Member] \| Corporate Segment [Member] \| Senior Notes [Member]
Long Term Debt (Textual) [Abstract]
Early redemption premium		1.00%
Basis point adjustment to discount rate		50			50
Redemption prior to June 15, 2016 [Member] \| Corporate Segment [Member] \| Sale of stock [Member] \| Senior Notes [Member]
Long Term Debt (Textual) [Abstract]
Early redemption premium		107.50%
Redemption prior to June 15, 2016 [Member] \| Corporate Segment [Member] \| Change of control [Member] \| Senior Notes [Member]
Long Term Debt (Textual) [Abstract]
Early redemption premium		101.00%
Eurodollar [Member] \| Rose Rock Midstream L P [Member] \| Revolving Credit Facility [Member] \| Minimum [Member]
Long Term Debt (Textual) [Abstract]
Debt Instrument, Basis Spread on Variable Rate		1.75%
Eurodollar [Member] \| Rose Rock Midstream L P [Member] \| Revolving Credit Facility [Member] \| Maximum [Member]
Long Term Debt (Textual) [Abstract]
Debt Instrument, Basis Spread on Variable Rate		3.00%
Eurodollar [Member] \| Corporate Segment [Member] \| Revolving Credit Facility [Member] \| Minimum [Member]
Long Term Debt (Textual) [Abstract]
Debt Instrument, Basis Spread on Variable Rate		2.00%
Eurodollar [Member] \| Corporate Segment [Member] \| Revolving Credit Facility [Member] \| Maximum [Member]
Long Term Debt (Textual) [Abstract]
Debt Instrument, Basis Spread on Variable Rate		3.25%
Base Rate [Member] \| Rose Rock Midstream L P [Member] \| Revolving Credit Facility [Member] \| Minimum [Member]
Long Term Debt (Textual) [Abstract]
Debt Instrument, Basis Spread on Variable Rate		0.75%
Base Rate [Member] \| Rose Rock Midstream L P [Member] \| Revolving Credit Facility [Member] \| Maximum [Member]
Long Term Debt (Textual) [Abstract]
Debt Instrument, Basis Spread on Variable Rate		2.00%
Base Rate [Member] \| Corporate Segment [Member] \| Revolving Credit Facility [Member] \| Minimum [Member]
Long Term Debt (Textual) [Abstract]
Debt Instrument, Basis Spread on Variable Rate		1.00%
Base Rate [Member] \| Corporate Segment [Member] \| Revolving Credit Facility [Member] \| Maximum [Member]
Long Term Debt (Textual) [Abstract]
Debt Instrument, Basis Spread on Variable Rate		2.25%
Mexican bank prime rate [Member] \| SemMexico [Member] \| Line of Credit [Member]
Long Term Debt (Textual) [Abstract]
Debt Instrument, Basis Spread on Variable Rate		1.50%
Other Noncurrent Assets [Member] \| Rose Rock Midstream L P [Member] \| Revolving Credit Facility [Member]
Long Term Debt (Textual) [Abstract]
Deferred Finance Costs, Noncurrent, Net		$ 2,800
Other Noncurrent Assets [Member] \| Rose Rock notes [Member] \| Senior Notes [Member]
Long Term Debt (Textual) [Abstract]
Deferred Finance Costs, Noncurrent, Net		12,200
Other Noncurrent Assets [Member] \| Corporate Segment [Member] \| Revolving Credit Facility [Member]
Long Term Debt (Textual) [Abstract]
Deferred Finance Costs, Noncurrent, Net		4,200
Other Noncurrent Assets [Member] \| Corporate Segment [Member] \| Senior Notes [Member]
Long Term Debt (Textual) [Abstract]
Deferred Finance Costs, Noncurrent, Net		$ 4,500