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Asset Retirement Obligations - Reconciliation of Beginning and Ending Aggregate Carrying Amounts of Asset Retirement Obligations (Additional Information) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended				1 Months Ended
	Dec. 31, 2014		Dec. 31, 2013	Dec. 31, 2012	Feb. 28, 2014
Reconciliation Of Changes In Asset Retirement Obligations [Line Items]
Asset retirement obligation, liabilities settled	$ (377,927)us-gaap_AssetRetirementObligationLiabilitiesSettled	[1]	$ (113,071)us-gaap_AssetRetirementObligationLiabilitiesSettled	$ (72,200)us-gaap_AssetRetirementObligationLiabilitiesSettled
Gulf of Mexico Properties
Reconciliation Of Changes In Asset Retirement Obligations [Line Items]
Asset retirement obligation, liabilities settled					$ (366,000)us-gaap_AssetRetirementObligationLiabilitiesSettled / us-gaap_StatementGeographicalAxis = sd_GulfOfMexicoPropertiesMember
[1] Liability settled or disposed in the current period includes $366.0 million associated with the Gulf Properties sold in February 2014, as discussed in Note 3.

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- Definition

Amount of asset retirement obligations settled, or otherwise disposed of, during the period. This may include asset retirement obligations transferred to third parties associated with the sale of a long-lived asset.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 410

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)(2)

-URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849

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