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Variable Interest Entities - Royalty Trusts - Assets and Liabilities Included in Unaudited Condensed Consolidated Balance Sheets (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Mar. 31, 2014
Dec. 31, 2013
Variable Interest Entity        
Cash and cash equivalents $ 11,821us-gaap_CashAndCashEquivalentsAtCarryingValue $ 181,253us-gaap_CashAndCashEquivalentsAtCarryingValue $ 1,179,644us-gaap_CashAndCashEquivalentsAtCarryingValue $ 814,663us-gaap_CashAndCashEquivalentsAtCarryingValue
Accounts receivable, net 309,037us-gaap_AccountsReceivableNetCurrent 330,077us-gaap_AccountsReceivableNetCurrent    
Derivative contracts 209,059us-gaap_DerivativeAssetsCurrent 291,414us-gaap_DerivativeAssetsCurrent    
Total current assets 547,109us-gaap_AssetsCurrent 831,918us-gaap_AssetsCurrent    
Investment in royalty interests 12,306,150us-gaap_OilAndGasPropertyFullCostMethodGross 11,997,743us-gaap_OilAndGasPropertyFullCostMethodGross    
Less: accumulated depletion and impairment (7,548,398)us-gaap_CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities (6,359,149)us-gaap_CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities    
Net oil and natural gas properties capitalized costs 4,757,752us-gaap_OilAndGasPropertyFullCostMethodNet 5,638,594us-gaap_OilAndGasPropertyFullCostMethodNet    
Accounts payable and accrued expenses 538,151us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent 683,392us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent    
Royalty Trusts        
Variable Interest Entity        
Cash and cash equivalents 10,016us-gaap_CashAndCashEquivalentsAtCarryingValue
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 [1] 9,387us-gaap_CashAndCashEquivalentsAtCarryingValue
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 [1]    
Accounts receivable, net 14,877us-gaap_AccountsReceivableNetCurrent
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 17,660us-gaap_AccountsReceivableNetCurrent
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		    
Derivative contracts 0us-gaap_DerivativeAssetsCurrent
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 6,589us-gaap_DerivativeAssetsCurrent
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		    
Total current assets 24,893us-gaap_AssetsCurrent
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 33,636us-gaap_AssetsCurrent
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		    
Investment in royalty interests 1,325,942us-gaap_OilAndGasPropertyFullCostMethodGross
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 [2] 1,325,942us-gaap_OilAndGasPropertyFullCostMethodGross
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 [2]    
Less: accumulated depletion and impairment (475,119)us-gaap_CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 [3] (284,094)us-gaap_CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 [3]    
Net oil and natural gas properties capitalized costs 850,823us-gaap_OilAndGasPropertyFullCostMethodNet
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 1,041,848us-gaap_OilAndGasPropertyFullCostMethodNet
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		    
Total assets 875,716us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 1,075,484us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		    
Accounts payable and accrued expenses 727us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 2,852us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		    
Total liabilities $ 727us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		 $ 2,852us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= sd_RoyaltyTrustMember		    
[1] Includes $3.0 million held by the trustee at March 31, 2015 and December 31, 2014 as reserves for future general and administrative expenses.
[2] Investment in royalty interests is included in oil and natural gas properties in the accompanying unaudited condensed consolidated balance sheets.
[3] Includes cumulative full cost ceiling limitation impairment of $222.9 million and $42.3 million at March 31, 2015 and December 31, 2014, respectively.