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Variable Interest Entities - Royalty Trusts - Open Oil and Natural Gas Commodity Derivative Contracts (Details) | 12 Months Ended
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Dec. 31, 2014 MBbls
January 2015 - December 2015 | Oil price swaps |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |
Notional (Oil in MBbl/Natural Gas in MMcf) | 5,588 us-gaap_DerivativeNonmonetaryNotionalAmountVolume / us-gaap_DerivativeByNatureAxis = sd_January2015ThroughDecember2015Member / us-gaap_DerivativeInstrumentRiskAxis = sd_CrudeOilPriceSwapMember
Weighted Avg. Fixed Price (Oil in USD/bbl, Natural Gas in USD/mcf) | 92.44 us-gaap_DerivativeSwapTypeAverageFixedPrice / us-gaap_DerivativeByNatureAxis = sd_January2015ThroughDecember2015Member / us-gaap_DerivativeInstrumentRiskAxis = sd_CrudeOilPriceSwapMember
January 2015 - December 2015 | Natural gas collars |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |
Notional (Oil in MBbl/Natural Gas in MMcf) | 1,010 us-gaap_DerivativeNonmonetaryNotionalAmountVolume / us-gaap_DerivativeByNatureAxis = sd_January2015ThroughDecember2015Member / us-gaap_DerivativeInstrumentRiskAxis = sd_NaturalGasCollarsMember
Collar range, minimum | 4.00 us-gaap_DerivativeFloorPrice / us-gaap_DerivativeByNatureAxis = sd_January2015ThroughDecember2015Member / us-gaap_DerivativeInstrumentRiskAxis = sd_NaturalGasCollarsMember
Collar range, maximum | 8.55 us-gaap_DerivativeCapPrice / us-gaap_DerivativeByNatureAxis = sd_January2015ThroughDecember2015Member / us-gaap_DerivativeInstrumentRiskAxis = sd_NaturalGasCollarsMember
Royalty Trusts | January 2015 - December 2015 | Oil price swaps |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |
Notional (Oil in MBbl/Natural Gas in MMcf) | 904 us-gaap_DerivativeNonmonetaryNotionalAmountVolume / us-gaap_DerivativeByNatureAxis = sd_January2015ThroughDecember2015Member / us-gaap_DerivativeInstrumentRiskAxis = sd_CrudeOilPriceSwapMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sd_RoyaltyTrustMember
Weighted Avg. Fixed Price (Oil in USD/bbl, Natural Gas in USD/mcf) | 97.78 us-gaap_DerivativeSwapTypeAverageFixedPrice / us-gaap_DerivativeByNatureAxis = sd_January2015ThroughDecember2015Member / us-gaap_DerivativeInstrumentRiskAxis = sd_CrudeOilPriceSwapMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sd_RoyaltyTrustMember
Royalty Trusts | January 2015 - December 2015 | Natural gas collars |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |
Notional (Oil in MBbl/Natural Gas in MMcf) | 1,010 us-gaap_DerivativeNonmonetaryNotionalAmountVolume / us-gaap_DerivativeByNatureAxis = sd_January2015ThroughDecember2015Member / us-gaap_DerivativeInstrumentRiskAxis = sd_NaturalGasCollarsMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sd_RoyaltyTrustMember
Collar range, minimum | 4.00 us-gaap_DerivativeFloorPrice / us-gaap_DerivativeByNatureAxis = sd_January2015ThroughDecember2015Member / us-gaap_DerivativeInstrumentRiskAxis = sd_NaturalGasCollarsMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sd_RoyaltyTrustMember
Collar range, maximum | 8.55 us-gaap_DerivativeCapPrice / us-gaap_DerivativeByNatureAxis = sd_January2015ThroughDecember2015Member / us-gaap_DerivativeInstrumentRiskAxis = sd_NaturalGasCollarsMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sd_RoyaltyTrustMember
Novated Contract | Royalty Trusts | January 2015 — March 2015 | Oil price swaps |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |
Notional (Oil in MBbl/Natural Gas in MMcf) | 141 us-gaap_DerivativeNonmonetaryNotionalAmountVolume / us-gaap_DerivativeByNatureAxis = sd_January2015ThroughMarch2015Member / us-gaap_DerivativeInstrumentRiskAxis = sd_CrudeOilPriceSwapMember / us-gaap_TransactionTypeAxis = sd_NovatedContractMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sd_RoyaltyTrustMember
Weighted Avg. Fixed Price (Oil in USD/bbl, Natural Gas in USD/mcf) | 100.90 us-gaap_DerivativeSwapTypeAverageFixedPrice / us-gaap_DerivativeByNatureAxis = sd_January2015ThroughMarch2015Member / us-gaap_DerivativeInstrumentRiskAxis = sd_CrudeOilPriceSwapMember / us-gaap_TransactionTypeAxis = sd_NovatedContractMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sd_RoyaltyTrustMember

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- Definition The cap rate on a price risk derivative such as a cap or collar. A payment or receipt is triggered if the market rate exceeds the cap rate on the contract. + References No definition available. + Details
Name: | us-gaap_DerivativeCapPrice
Namespace Prefix: | us-gaap_
Data Type: | us-types:perUnitItemType
Balance Type: | na
Period Type: | instant

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- Definition Floor rate on a price risk derivative such as a floor or a collar. A payment or receipt is triggered if the market rate falls below the floor rate on the contract. + References No definition available. + Details
Name: | us-gaap_DerivativeFloorPrice
Namespace Prefix: | us-gaap_
Data Type: | us-types:perUnitItemType
Balance Type: | na
Period Type: | instant

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

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- Definition Nominal volume used to calculate payments on a derivative instrument. + References No definition available. + Details
Name: | us-gaap_DerivativeNonmonetaryNotionalAmountVolume
Namespace Prefix: | us-gaap_
Data Type: | num:volumeItemType
Balance Type: | na
Period Type: | duration

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- Definition Average fixed price related to the group of price risk swap derivatives. + References No definition available. + Details
Name: | us-gaap_DerivativeSwapTypeAverageFixedPrice
Namespace Prefix: | us-gaap_
Data Type: | us-types:perUnitItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | us-gaap_DerivativeByNatureAxis=sd_January2015ThroughDecember2015Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_TransactionTypeAxis=sd_NovatedContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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