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Acquisitions and Divestitures - Drilling and Completion Costs Associated with Sale of Working Interests (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Drilling Carry Transaction Activities [Line Items]  
Total Drilling Carry $ 1,000,000sd_TotalDrillingCarry
Drilling Carry Recorded 794,400sd_DrillingCarryReceivedOrBilledCumulative
Drilling Carry Remaining 205,600sd_RemainingDrillingCarry
Atinum MidCon I, LLC  
Drilling Carry Transaction Activities [Line Items]  
Total Drilling Carry 250,000sd_TotalDrillingCarry
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= sd_AtinumMidConILlcMember
Drilling Carry Recorded 250,000sd_DrillingCarryReceivedOrBilledCumulative
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= sd_AtinumMidConILlcMember
Drilling Carry Remaining 0sd_RemainingDrillingCarry
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= sd_AtinumMidConILlcMember
Repsol E&P USA, Inc.  
Drilling Carry Transaction Activities [Line Items]  
Total Drilling Carry 750,000sd_TotalDrillingCarry
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= sd_RepsolEAndPUsaIncMember
Drilling Carry Recorded 544,400sd_DrillingCarryReceivedOrBilledCumulative
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= sd_RepsolEAndPUsaIncMember
Drilling Carry Remaining $ 205,600sd_RemainingDrillingCarry
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= sd_RepsolEAndPUsaIncMember