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Variable Interest Entities - Royalty Trusts - Ownership Interest (Details)	Mar. 31, 2015	Dec. 31, 2014
Mississippian Trust I
Variable Interest Entity
Beneficial interest owned by Company	26.90%sd_VariableInterestEntityOwnershipInterestsPercentage / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sd_SandRidgeMississippianTrustIMember	26.90%sd_VariableInterestEntityOwnershipInterestsPercentage / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sd_SandRidgeMississippianTrustIMember
Permian Trust
Variable Interest Entity
Beneficial interest owned by Company	25.00%sd_VariableInterestEntityOwnershipInterestsPercentage / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sd_SandRidgePermianTrustMember	25.00%sd_VariableInterestEntityOwnershipInterestsPercentage / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sd_SandRidgePermianTrustMember
Mississippian Trust II
Variable Interest Entity
Beneficial interest owned by Company	37.60%sd_VariableInterestEntityOwnershipInterestsPercentage / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sd_SandRidgeMississippianTrustIiMember	37.60%sd_VariableInterestEntityOwnershipInterestsPercentage / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sd_SandRidgeMississippianTrustIiMember

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