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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 $ 100,288,000us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount $ 6,986,000us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount      
Alternative minimum tax credits, not subject to expiration 13,100,000us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax          
Federal net operating loss carryovers, subject to expiration 2,600,000,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration       629,800,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration 298,400,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration
Unrecognized excess tax benefits from stock based compensation 16,300,000sd_UnrecognizedExcessTaxBenefitsFromStockBasedCompensation          
Unrecognized tax benefits 1,382,000us-gaap_UnrecognizedTaxBenefits 1,330,000us-gaap_UnrecognizedTaxBenefits 1,758,000us-gaap_UnrecognizedTaxBenefits      
Unrecognized tax benefits that would affect the effective tax rate if recognized 900,000us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate          
Unrecognized tax benefits, accrued gross interest (100,000)us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense 30,000us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense 100,000us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense      
Unrecognized tax benefits, accrued liability 100,000us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued 200,000us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued        
Decrease in gross unrecognized tax benefits balance within next twelve months 800,000us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedRangeOfChangeUpperBound          
Dynamic Acquisition            
Income Taxes [Line Items]            
Reversal of deferred tax asset valuation allowance   100,300,000us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount
/ us-gaap_BusinessAcquisitionAxis
= sd_DynamicAcquisitionMember		        
Arena Acquisition            
Income Taxes [Line Items]            
Reversal of deferred tax asset valuation allowance       7,000,000us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount
/ us-gaap_BusinessAcquisitionAxis
= sd_ArenaAcquisitionsMember		    
Federal net operating loss carryovers, subject to expiration         $ 119,900,000us-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