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Commitments and Contingencies - Natural Gas Gathering Agreement (Details) (Gas Gathering Agreement, USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Gas Gathering Agreement
 
Years ending December 31  
2014 $ 42,542us-gaap_ContractualObligationDueInNextTwelveMonths
/ us-gaap_PartiesToContractualArrangementAxis
= sd_GasGatheringAgreementMember
2015 42,334us-gaap_ContractualObligationDueInSecondYear
/ us-gaap_PartiesToContractualArrangementAxis
= sd_GasGatheringAgreementMember
2016 42,272us-gaap_ContractualObligationDueInThirdYear
/ us-gaap_PartiesToContractualArrangementAxis
= sd_GasGatheringAgreementMember
2017 41,991us-gaap_ContractualObligationDueInFourthYear
/ us-gaap_PartiesToContractualArrangementAxis
= sd_GasGatheringAgreementMember
2018 41,825us-gaap_ContractualObligationDueInFifthYear
/ us-gaap_PartiesToContractualArrangementAxis
= sd_GasGatheringAgreementMember
Thereafter 100,559us-gaap_ContractualObligationDueAfterFifthYear
/ us-gaap_PartiesToContractualArrangementAxis
= sd_GasGatheringAgreementMember
Total future obligation $ 311,523us-gaap_ContractualObligation
/ us-gaap_PartiesToContractualArrangementAxis
= sd_GasGatheringAgreementMember