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Variable Interest Entities - Royalty Trusts - Assets and Liabilities Included in Consolidated Balance Sheets (Details) (USD $)
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Variable Interest Entity [Line Items]        
Cash and cash equivalents $ 814,663,000us-gaap_CashAndCashEquivalentsAtCarryingValue $ 309,766,000us-gaap_CashAndCashEquivalentsAtCarryingValue $ 207,681,000us-gaap_CashAndCashEquivalentsAtCarryingValue $ 5,863,000us-gaap_CashAndCashEquivalentsAtCarryingValue
Accounts receivable 349,218,000us-gaap_AccountsReceivableNetCurrent 445,506,000us-gaap_AccountsReceivableNetCurrent    
Derivative contracts 12,779,000us-gaap_DerivativeAssetsCurrent 71,022,000us-gaap_DerivativeAssetsCurrent    
Total current assets 1,241,823,000us-gaap_AssetsCurrent 1,142,885,000us-gaap_AssetsCurrent    
Investment in royalty interests(2) 11,504,422,000us-gaap_OilAndGasPropertyFullCostMethodGross 13,128,784,000us-gaap_OilAndGasPropertyFullCostMethodGross 9,658,689,000us-gaap_OilAndGasPropertyFullCostMethodGross  
Less: accumulated depletion (5,762,969,000)us-gaap_CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities (5,231,182,000)us-gaap_CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities (4,791,534,000)us-gaap_CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities  
Investment in royalty interests, net 5,741,453,000us-gaap_OilAndGasPropertyFullCostMethodNet 7,897,602,000us-gaap_OilAndGasPropertyFullCostMethodNet 4,867,155,000us-gaap_OilAndGasPropertyFullCostMethodNet  
Derivative contracts 14,126,000us-gaap_DerivativeAssetsNoncurrent 23,617,000us-gaap_DerivativeAssetsNoncurrent    
Accounts payable and accrued expenses 812,488,000us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent 782,090,000us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent [1]    
Royalty Trusts        
Variable Interest Entity [Line Items]        
Cash and cash equivalents 7,912,000us-gaap_CashAndCashEquivalentsAtCarryingValue
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 [2] 7,445,000us-gaap_CashAndCashEquivalentsAtCarryingValue
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 [2]    
Accounts receivable 22,540,000us-gaap_AccountsReceivableNetCurrent
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 28,596,000us-gaap_AccountsReceivableNetCurrent
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		    
Derivative contracts 4,983,000us-gaap_DerivativeAssetsCurrent
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 10,286,000us-gaap_DerivativeAssetsCurrent
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		    
Total current assets 35,435,000us-gaap_AssetsCurrent
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 46,327,000us-gaap_AssetsCurrent
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		    
Investment in royalty interests(2) 1,325,942,000us-gaap_OilAndGasPropertyFullCostMethodGross
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 [3] 1,325,942,000us-gaap_OilAndGasPropertyFullCostMethodGross
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 [3]    
Less: accumulated depletion (186,095,000)us-gaap_CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 (103,746,000)us-gaap_CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		    
Investment in royalty interests, net 1,139,847,000us-gaap_OilAndGasPropertyFullCostMethodNet
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 1,222,196,000us-gaap_OilAndGasPropertyFullCostMethodNet
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		    
Derivative contracts 1,476,000us-gaap_DerivativeAssetsNoncurrent
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 7,660,000us-gaap_DerivativeAssetsNoncurrent
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		    
Total assets 1,176,758,000us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 1,276,183,000us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		    
Accounts payable and accrued expenses 3,393,000us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 1,101,000us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		    
Total liabilities $ 3,393,000us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 $ 1,101,000us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		    
[1] Guarantor and consolidated accounts payable and accrued expenses include $15.5 million previously classified as other current liabilities. See Note 2.
[2] Includes $3.0 million held by the trustee at December 31, 2013 and 2012 as reserves for future general and administrative expenses.
[3] Investment in royalty interests is included in oil and natural gas properties in the accompanying consolidated balance sheets, and was determined by allocating the historical net book value of the Company’s full cost pool based on the fair value of each Royalty Trust’s royalty interests relative to the fair value of the Company’s full cost pool at the time of conveyance.