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Fair Value Measurements - Significant Unobservable Inputs, Liabilities (Details) (Fair Value Measurements Level 3, USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Natural gas basis swaps
Significant Unobservable Inputs
Derivative, weighted average forward price (Oil in USD/bbl, Natural Gas in USD/mcf)	(0.29)sd_DerivativeWeightedAverageForwardPrice / us-gaap_DerivativeInstrumentRiskAxis = sd_NaturalGasBasisSwapMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member
Fair value, level 3 commodity derivative contracts	$ 350us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue / us-gaap_DerivativeInstrumentRiskAxis = sd_NaturalGasBasisSwapMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member
Minimum | Natural gas basis swaps
Significant Unobservable Inputs
Derivative, forward price (Oil in USD/bbl, Natural Gas in USD/mcf)	(0.03)us-gaap_DerivativeForwardPrice / us-gaap_DerivativeInstrumentRiskAxis = sd_NaturalGasBasisSwapMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_RangeAxis = us-gaap_MinimumMember
Maximum | Natural gas basis swaps
Significant Unobservable Inputs
Derivative, forward price (Oil in USD/bbl, Natural Gas in USD/mcf)	(0.38)us-gaap_DerivativeForwardPrice / us-gaap_DerivativeInstrumentRiskAxis = sd_NaturalGasBasisSwapMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_RangeAxis = us-gaap_MaximumMember
Gulf Properties
Significant Unobservable Inputs
Fair value inputs, estimated cash flows	$ 372,034sd_FairValueInputsEstimatedCashFlows / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_GulfPropertiesMember

X

- Definition

Derivative, Weighted Average Forward Price

+ References

No definition available.

+ Details

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X

- Definition

Estimated cash flows used as an input to measure fair value.

+ References

No definition available.

+ Details

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X

- Definition

The forward price on the price risk forward or futures contract, such as a gas futures contract.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	us-types:perUnitItemType
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X

- Details

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X

- Definition

Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

+ Details

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- Details

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- Details

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- Details

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- Details

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