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Fair Value Measurements - Estimated Fair Value and Carrying Value of Senior Notes (Details) (USD $)
In Thousands, unless otherwise specified

Dec. 31, 2013

Dec. 31, 2012

Fair Value Assets And Liabilities Measured On Recurring Basis

Carrying value

$ 3,194,907us-gaap_LongTermDebt

$ 4,301,083us-gaap_LongTermDebt

9.875% Senior Notes due 2016

Fair Value Assets And Liabilities Measured On Recurring Basis

Carrying value

0us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesNinePointEightSevenFivePercentDue2016Member

^[1]

356,657us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesNinePointEightSevenFivePercentDue2016Member

^[1]

8.0% Senior Notes due 2018

Fair Value Assets And Liabilities Measured On Recurring Basis

Carrying value

0us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesEightPointZeroPercentDue2018Member

750,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesEightPointZeroPercentDue2018Member

8.75% Senior Notes due 2020

Fair Value Assets And Liabilities Measured On Recurring Basis

Carrying value

444,736us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesEightPointSevenFivePercentDue2020Member

^[2]

444,127us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesEightPointSevenFivePercentDue2020Member

^[2]

7.5% Senior Notes due 2021

Fair Value Assets And Liabilities Measured On Recurring Basis

Carrying value

1,178,922us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesSevenPointFivePercentDue2021Member

^[3]

1,179,328us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesSevenPointFivePercentDue2021Member

^[3]

8.125% Senior Notes due 2022

Fair Value Assets And Liabilities Measured On Recurring Basis

Carrying value

750,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesEightPointOneTwoFivePercentDue2022Member

750,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesEightPointOneTwoFivePercentDue2022Member

7.5% Senior Notes due 2023

Fair Value Assets And Liabilities Measured On Recurring Basis

Carrying value

821,249us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesSevenPointFivePercentDue2023Member

^[4]

820,971us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesSevenPointFivePercentDue2023Member

^[4]

Fair Value Measurements Level 2 | 9.875% Senior Notes due 2016

Fair Value Assets And Liabilities Measured On Recurring Basis

Fair value

0us-gaap_DebtInstrumentFairValue
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesNinePointEightSevenFivePercentDue2016Member
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member

^[1]

392,913us-gaap_DebtInstrumentFairValue
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesNinePointEightSevenFivePercentDue2016Member
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member

^[1]

Fair Value Measurements Level 2 | 8.0% Senior Notes due 2018

Fair Value Assets And Liabilities Measured On Recurring Basis

Fair value

0us-gaap_DebtInstrumentFairValue
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesEightPointZeroPercentDue2018Member
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member

790,313us-gaap_DebtInstrumentFairValue
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesEightPointZeroPercentDue2018Member
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member

Fair Value Measurements Level 2 | 8.75% Senior Notes due 2020

Fair Value Assets And Liabilities Measured On Recurring Basis

Fair value

486,000us-gaap_DebtInstrumentFairValue
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesEightPointSevenFivePercentDue2020Member
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member

^[2]

490,500us-gaap_DebtInstrumentFairValue
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesEightPointSevenFivePercentDue2020Member
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member

^[2]

Fair Value Measurements Level 2 | 7.5% Senior Notes due 2021

Fair Value Assets And Liabilities Measured On Recurring Basis

Fair value

1,230,813us-gaap_DebtInstrumentFairValue
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesSevenPointFivePercentDue2021Member
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member

^[3]

1,257,250us-gaap_DebtInstrumentFairValue
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesSevenPointFivePercentDue2021Member
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member

^[3]

Fair Value Measurements Level 2 | 8.125% Senior Notes due 2022

Fair Value Assets And Liabilities Measured On Recurring Basis

Fair value

795,000us-gaap_DebtInstrumentFairValue
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesEightPointOneTwoFivePercentDue2022Member
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member

823,125us-gaap_DebtInstrumentFairValue
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesEightPointOneTwoFivePercentDue2022Member
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member

Fair Value Measurements Level 2 | 7.5% Senior Notes due 2023

Fair Value Assets And Liabilities Measured On Recurring Basis

Fair value

$ 837,375us-gaap_DebtInstrumentFairValue
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesSevenPointFivePercentDue2023Member
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member

^[4]

$ 882,750us-gaap_DebtInstrumentFairValue
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesSevenPointFivePercentDue2023Member
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member

^[4]

[1]	Carrying value is net of $8,843 discount at December 31, 2012.
[2]	Carrying value is net of $5,264 and $5,873 discount at December 31, 2013 and 2012, respectively.
[3]	Carrying value includes a premium, applicable to notes issued in August 2012, of $3,922 and $4,328 at December 31, 2013 and 2012, respectively.
[4]	Carrying value is net of $3,751 and $4,029 discount at December 31, 2013 and 2012, respectively.

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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13433-108611



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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 7



Reference 2: http://www.xbrl.org/2003/role/presentationRef

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