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Business Segment Information - Summarized Financial Information Concerning Segments (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
business_unit
segment
Mar. 31, 2014
Dec. 31, 2014
Segment Reporting Information      
Reportable segments 3us-gaap_NumberOfReportableSegments    
Business units 3sd_NumberofBusinessUnits    
Total revenues $ 215,308us-gaap_Revenues $ 443,056us-gaap_Revenues  
Loss from operations (1,088,456)us-gaap_OperatingIncomeLoss (82,330)us-gaap_OperatingIncomeLoss  
Interest expense, net (62,842)us-gaap_InterestIncomeExpenseNet (62,043)us-gaap_InterestIncomeExpenseNet  
Other (expense) income, net (536)us-gaap_OtherNonoperatingIncomeExpense 2,094us-gaap_OtherNonoperatingIncomeExpense  
Loss before income taxes (1,151,834)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest (142,279)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest  
Capital expenditures 320,191us-gaap_PropertyPlantAndEquipmentAdditions [1] 275,774us-gaap_PropertyPlantAndEquipmentAdditions [1]  
Depreciation, depletion, amortization and accretion 120,534sd_DepreciationDepletionAmortizationAndAccretion 136,453sd_DepreciationDepletionAmortizationAndAccretion  
Total assets 6,057,205us-gaap_Assets   7,259,225us-gaap_Assets
Exploration and Production      
Segment Reporting Information      
Total revenues 195,732us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember
407,338us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember
 
Loss from operations (1,054,158)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember
[2] (56,475)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember
[2]  
Interest expense, net (16)us-gaap_InterestIncomeExpenseNet
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember
143us-gaap_InterestIncomeExpenseNet
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember
 
Other (expense) income, net (454)us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember
(185)us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember
 
Loss before income taxes (1,054,628)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember
(56,517)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember
 
Capital expenditures 302,062us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember
[1] 264,243us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember
[1]  
Depreciation, depletion, amortization and accretion 107,211sd_DepreciationDepletionAmortizationAndAccretion
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember
121,041sd_DepreciationDepletionAmortizationAndAccretion
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember
 
Total assets 5,301,850us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember
  6,273,802us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember
Drilling and Oil Field Services      
Segment Reporting Information      
Total revenues 9,845us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember
17,103us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember
 
Loss from operations (7,772)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember
(3,102)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember
 
Interest expense, net 0us-gaap_InterestIncomeExpenseNet
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember
0us-gaap_InterestIncomeExpenseNet
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember
 
Other (expense) income, net (4)us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember
(398)us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember
 
Loss before income taxes (7,776)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember
(3,500)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember
 
Capital expenditures 1,875us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember
[1] 620us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember
[1]  
Depreciation, depletion, amortization and accretion 5,760sd_DepreciationDepletionAmortizationAndAccretion
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember
7,711sd_DepreciationDepletionAmortizationAndAccretion
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember
 
Total assets 103,668us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember
  115,083us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember
Midstream Services      
Segment Reporting Information      
Total revenues 8,764us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember
17,646us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember
 
Loss from operations (3,873)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember
(1,411)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember
 
Interest expense, net 0us-gaap_InterestIncomeExpenseNet
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember
0us-gaap_InterestIncomeExpenseNet
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember
 
Other (expense) income, net 4us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember
0us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember
 
Loss before income taxes (3,869)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember
(1,411)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember
 
Capital expenditures 8,432us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember
[1] 5,957us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember
[1]  
Depreciation, depletion, amortization and accretion 2,679sd_DepreciationDepletionAmortizationAndAccretion
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember
2,441sd_DepreciationDepletionAmortizationAndAccretion
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember
 
Total assets 221,048us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember
  219,691us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember
All Other      
Segment Reporting Information      
Total revenues 967us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
969us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
 
Loss from operations (22,653)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
(21,342)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
 
Interest expense, net (62,826)us-gaap_InterestIncomeExpenseNet
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
(62,186)us-gaap_InterestIncomeExpenseNet
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
 
Other (expense) income, net (82)us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
2,677us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
 
Loss before income taxes (85,561)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
(80,851)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
 
Capital expenditures 7,822us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
[1] 4,954us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
[1]  
Depreciation, depletion, amortization and accretion 4,884sd_DepreciationDepletionAmortizationAndAccretion
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
5,260sd_DepreciationDepletionAmortizationAndAccretion
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
 
Total assets 430,639us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
  650,649us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
Operating Segments      
Segment Reporting Information      
Total revenues 242,868us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
501,681us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
 
Operating Segments | Exploration and Production      
Segment Reporting Information      
Total revenues 195,743us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember
407,338us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember
 
Operating Segments | Drilling and Oil Field Services      
Segment Reporting Information      
Total revenues 24,629us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember
47,080us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember
 
Operating Segments | Midstream Services      
Segment Reporting Information      
Total revenues 21,529us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember
46,294us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember
 
Operating Segments | All Other      
Segment Reporting Information      
Total revenues 967us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
969us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
 
Intersegment Eliminations      
Segment Reporting Information      
Total revenues (27,560)us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_IntersegmentEliminationMember
(58,625)us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_IntersegmentEliminationMember
 
Intersegment Eliminations | Exploration and Production      
Segment Reporting Information      
Total revenues (11)us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_IntersegmentEliminationMember
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember
0us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_IntersegmentEliminationMember
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember
 
Intersegment Eliminations | Drilling and Oil Field Services      
Segment Reporting Information      
Total revenues (14,784)us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_IntersegmentEliminationMember
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember
(29,977)us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_IntersegmentEliminationMember
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember
 
Intersegment Eliminations | Midstream Services      
Segment Reporting Information      
Total revenues (12,765)us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_IntersegmentEliminationMember
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember
(28,648)us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_IntersegmentEliminationMember
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember
 
Intersegment Eliminations | All Other      
Segment Reporting Information      
Total revenues $ 0us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_IntersegmentEliminationMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
$ 0us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_IntersegmentEliminationMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
 
[1] On an accrual basis and exclusive of acquisitions.
[2] Loss from operations includes a full cost ceiling limitation impairment of $1.1 billion and $164.8 million for the three-month periods ended March 31, 2015 and March 31, 2014, respectively.