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Fair Value Measurements - Significant Unobservable Inputs - Derivative Contracts (Details) (Fair Value Measurements Level 3, Natural Gas Basis Swaps, USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation
Derivative, weighted average forward price (usd/mcf)	(0.34)sd_DerivativeWeightedAverageForwardPrice	(0.29)sd_DerivativeWeightedAverageForwardPrice
Fair value, level 3 commodity derivative contracts	$ 1,332us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	$ 350us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
Minimum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation
Derivative, forward price (usd/mcf)	(0.21)us-gaap_DerivativeForwardPrice / us-gaap_DerivativeInstrumentRiskAxis = sd_NaturalGasBasisSwapMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_RangeAxis = us-gaap_MinimumMember	(0.03)us-gaap_DerivativeForwardPrice / us-gaap_DerivativeInstrumentRiskAxis = sd_NaturalGasBasisSwapMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_RangeAxis = us-gaap_MinimumMember
Maximum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation
Derivative, forward price (usd/mcf)	(0.47)us-gaap_DerivativeForwardPrice / us-gaap_DerivativeInstrumentRiskAxis = sd_NaturalGasBasisSwapMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_RangeAxis = us-gaap_MaximumMember	(0.38)us-gaap_DerivativeForwardPrice / us-gaap_DerivativeInstrumentRiskAxis = sd_NaturalGasBasisSwapMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_RangeAxis = us-gaap_MaximumMember

X

- Definition

Derivative, Weighted Average Forward Price

+ References

No definition available.

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- Definition

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

+ References

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- 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

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