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Variable Interest Entities - Royalty Trusts - Ownership Interest (Details) | Dec. 31, 2014 | Dec. 31, 2013
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Mississippian Trust I |  |
Variable Interest Entity [Line Items] |  |
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 [Line Items] |  |
Beneficial interest owned by Company | 25.00%sd_VariableInterestEntityOwnershipInterestsPercentage / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sd_SandRidgePermianTrustMember | 28.50%sd_VariableInterestEntityOwnershipInterestsPercentage / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sd_SandRidgePermianTrustMember
Mississippian Trust II |  |
Variable Interest Entity [Line Items] |  |
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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- Definition Variable Interest Entity, Ownership Interests Percentage + References No definition available. + Details
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