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Variable Interest Entities - Royalty Trusts - Open Oil and Natural Gas Commodity Derivative Contracts (Details)	12 Months Ended
	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)	5,588us-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)	92.44us-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)	1,010us-gaap_DerivativeNonmonetaryNotionalAmountVolume / us-gaap_DerivativeByNatureAxis = sd_January2015ThroughDecember2015Member / us-gaap_DerivativeInstrumentRiskAxis = sd_NaturalGasCollarsMember
Collar range, minimum	4.00us-gaap_DerivativeFloorPrice / us-gaap_DerivativeByNatureAxis = sd_January2015ThroughDecember2015Member / us-gaap_DerivativeInstrumentRiskAxis = sd_NaturalGasCollarsMember
Collar range, maximum	8.55us-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)	904us-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)	97.78us-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)	1,010us-gaap_DerivativeNonmonetaryNotionalAmountVolume / us-gaap_DerivativeByNatureAxis = sd_January2015ThroughDecember2015Member / us-gaap_DerivativeInstrumentRiskAxis = sd_NaturalGasCollarsMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sd_RoyaltyTrustMember
Collar range, minimum	4.00us-gaap_DerivativeFloorPrice / us-gaap_DerivativeByNatureAxis = sd_January2015ThroughDecember2015Member / us-gaap_DerivativeInstrumentRiskAxis = sd_NaturalGasCollarsMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sd_RoyaltyTrustMember
Collar range, maximum	8.55us-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)	141us-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)	100.90us-gaap_DerivativeSwapTypeAverageFixedPrice / us-gaap_DerivativeByNatureAxis = sd_January2015ThroughMarch2015Member / us-gaap_DerivativeInstrumentRiskAxis = sd_CrudeOilPriceSwapMember / us-gaap_TransactionTypeAxis = sd_NovatedContractMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sd_RoyaltyTrustMember

X

- 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

X

- 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

X

- Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- 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

X

- 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

X

- Details

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

X

- Details

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

X

- Details

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