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Income Taxes - Additional Information (Details) (USD $) | 12 Months Ended | 3 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Jun. 30, 2011 | Jul. 16, 2010 | Dec. 31, 2008
Income Taxes [Line Items] |  |  |  |  |  |
Reversal of deferred tax asset valuation allowance | $ (3,842,000)us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount | $ 100,288,000 us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount | $ 6,986,000 us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount |  |  |
Alternative minimum tax credits, not subject to expiration | 13,100,000 us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax |  |  |  |  |
Federal net operating loss carryovers, subject to expiration | 2,600,000,000 us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration |  |  |  | 629,800,000 us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration | 298,400,000 us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration
Unrecognized excess tax benefits from stock based compensation | 16,300,000 sd_UnrecognizedExcessTaxBenefitsFromStockBasedCompensation |  |  |  |  |
Unrecognized tax benefits | 1,382,000 us-gaap_UnrecognizedTaxBenefits | 1,330,000 us-gaap_UnrecognizedTaxBenefits | 1,758,000 us-gaap_UnrecognizedTaxBenefits |  |  |
Unrecognized tax benefits that would affect the effective tax rate if recognized | 900,000 us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate |  |  |  |  |
Unrecognized tax benefits, accrued gross interest | (100,000)us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense | 30,000 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense | 100,000 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense |  |  |
Unrecognized tax benefits, accrued liability | 100,000 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued | 200,000 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued |  |  |  |
Decrease in gross unrecognized tax benefits balance within next twelve months | 800,000 us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedRangeOfChangeUpperBound |  |  |  |  |
Dynamic Acquisition |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |
Reversal of deferred tax asset valuation allowance |  | 100,300,000 us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount / us-gaap_BusinessAcquisitionAxis = sd_DynamicAcquisitionMember |  |  |  |
Arena Acquisition |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |
Reversal of deferred tax asset valuation allowance |  |  |  | 7,000,000 us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount / us-gaap_BusinessAcquisitionAxis = sd_ArenaAcquisitionsMember |  |
Federal net operating loss carryovers, subject to expiration |  |  |  |  | $ 119,900,000 us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration / us-gaap_BusinessAcquisitionAxis = sd_ArenaAcquisitionsMember |
Beginning Year |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |
Operating loss carryforwards expiration year | 2023 |  |  |  |  |
Minimum |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |
Number of tax years open for state tax audit (in years) | 3 years |  |  |  |  |
Maximum |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |
Number of tax years open for state tax audit (in years) | 5 years |  |  |  |  |
Ending Year |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |
Operating loss carryforwards expiration year | 2033 |  |  |  |  |
Beginning tax year |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |
Open tax year | 2010 |  |  |  |  |
Beginning tax year as result of federal NOL carryforwards |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |
Open tax year | 2003 |  |  |  |  |

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