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Variable Interest Entities - Royalty Trusts - Common and Subordinated Units Outstanding (Details) | 12 Months Ended
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Dec. 31, 2014
Mississippian Trust I |  |
Variable Interest Entity [Line Items] |  |
Total outstanding common units (in shares) | 28,000,000 sd_RoyaltyTrustCommonUnits / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sd_SandRidgeMississippianTrustIMember | [1]
Total outstanding subordinated units (in shares) | 0 sd_RoyaltyTrustSubordinatedUnits / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sd_SandRidgeMississippianTrustIMember | [2]
Permian Trust |  |
Variable Interest Entity [Line Items] |  |
Total outstanding common units (in shares) | 39,375,000 sd_RoyaltyTrustCommonUnits / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sd_SandRidgePermianTrustMember |
Total outstanding subordinated units (in shares) | 13,125,000 sd_RoyaltyTrustSubordinatedUnits / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sd_SandRidgePermianTrustMember | [2]
Mississippian Trust II |  |
Variable Interest Entity [Line Items] |  |
Total outstanding common units (in shares) | 37,293,750 sd_RoyaltyTrustCommonUnits / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sd_SandRidgeMississippianTrustIiMember |
Total outstanding subordinated units (in shares) | 12,431,250 sd_RoyaltyTrustSubordinatedUnits / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sd_SandRidgeMississippianTrustIiMember | [2]
[1] | The Mississippian Trust I’s previously outstanding subordinated units, all of which were held by SandRidge, converted to common units on July 1, 2014.
[2] | All outstanding subordinated units are owned by SandRidge.

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- Definition Royalty Trust Common Units + References No definition available. + Details
Name: | sd_RoyaltyTrustCommonUnits
Namespace Prefix: | sd_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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- Definition Royalty Trust Subordinated Units + References No definition available. + Details
Name: | sd_RoyaltyTrustSubordinatedUnits
Namespace Prefix: | sd_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_VariableInterestEntityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis=sd_SandRidgeMississippianTrustIiMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis=sd_SandRidgeMississippianTrustIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis=sd_SandRidgePermianTrustMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |