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Variable Interest Entities - Royalty Trusts - Assets and Liabilities Included in Unaudited Condensed Consolidated Balance Sheets (Details) (USD $)
Mar. 31, 2014
Dec. 31, 2013
Mar. 31, 2013
Dec. 31, 2012
Variable Interest Entity        
Cash and cash equivalents $ 1,179,644,000us-gaap_CashAndCashEquivalentsAtCarryingValue $ 814,663,000us-gaap_CashAndCashEquivalentsAtCarryingValue $ 1,308,733,000us-gaap_CashAndCashEquivalentsAtCarryingValue $ 309,766,000us-gaap_CashAndCashEquivalentsAtCarryingValue
Accounts receivable, net 293,765,000us-gaap_AccountsReceivableNetCurrent 349,218,000us-gaap_AccountsReceivableNetCurrent    
Derivative contracts 9,002,000us-gaap_DerivativeAssetsCurrent 12,779,000us-gaap_DerivativeAssetsCurrent    
Total current assets 1,525,945,000us-gaap_AssetsCurrent 1,241,823,000us-gaap_AssetsCurrent    
Investment in royalty interests(2) 10,735,993,000us-gaap_OilAndGasPropertyFullCostMethodGross 11,504,422,000us-gaap_OilAndGasPropertyFullCostMethodGross    
Less: accumulated depletion and impairment(3) (6,043,109,000)us-gaap_CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities (5,762,969,000)us-gaap_CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities    
Net oil and natural gas properties capitalized costs 4,692,884,000us-gaap_OilAndGasPropertyFullCostMethodNet 5,741,453,000us-gaap_OilAndGasPropertyFullCostMethodNet    
Derivative contracts 18,048,000us-gaap_DerivativeAssetsNoncurrent 14,126,000us-gaap_DerivativeAssetsNoncurrent    
Accounts payable and accrued expenses 590,085,000us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent [1] 812,488,000us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent    
Royalty Trusts        
Variable Interest Entity        
Cash and cash equivalents 7,241,000us-gaap_CashAndCashEquivalentsAtCarryingValue
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 [2] 7,912,000us-gaap_CashAndCashEquivalentsAtCarryingValue
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 [2]    
Accounts receivable, net 22,453,000us-gaap_AccountsReceivableNetCurrent
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 22,540,000us-gaap_AccountsReceivableNetCurrent
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		    
Derivative contracts 3,300,000us-gaap_DerivativeAssetsCurrent
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 4,983,000us-gaap_DerivativeAssetsCurrent
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		    
Total current assets 32,994,000us-gaap_AssetsCurrent
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 35,435,000us-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 and impairment(3) (243,971,000)us-gaap_CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 [4] (186,095,000)us-gaap_CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 [4]    
Net oil and natural gas properties capitalized costs 1,081,971,000us-gaap_OilAndGasPropertyFullCostMethodNet
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 1,139,847,000us-gaap_OilAndGasPropertyFullCostMethodNet
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		    
Derivative contracts 0us-gaap_DerivativeAssetsNoncurrent
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 1,476,000us-gaap_DerivativeAssetsNoncurrent
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		    
Total assets 1,114,965,000us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 1,176,758,000us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		    
Accounts payable and accrued expenses 2,157,000us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 3,393,000us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		    
Total liabilities $ 2,157,000us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 $ 3,393,000us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		    
[1] Guarantor and Consolidated accounts payable and accrued expenses have been restated to reflect accrual of the CO2 delivery shortfall penalty. See Note 2.
[2] Includes $3.0 million held by the trustee at March 31, 2014 and December 31, 2013 as reserves for future general and administrative expenses.
[3] Investment in royalty interests is included in oil and natural gas properties in the accompanying unaudited condensed consolidated balance sheets.
[4] Accumulated depletion and impairment at March 31, 2014 includes full cost ceiling limitation impairment allocated to the Royalty Trusts of $42.3 million. There was no full cost ceiling limitation impairment allocated to the Royalty Trusts as of December 31, 2013.