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Business Segment Information - Summarized Financial Information Concerning Segments (Details) (USD $)
 3 Months Ended 12 Months Ended
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2014
segment
business_unit
Dec. 31, 2013
Dec. 31, 2012
Segment Reporting Information [Line Items]                      
Reportable segments                 3us-gaap_NumberOfReportableSegments    
Business units                 3sd_NumberofBusinessUnits    
Revenues $ 346,881,000us-gaap_Revenues $ 394,107,000us-gaap_Revenues $ 374,714,000us-gaap_Revenues $ 443,056,000us-gaap_Revenues $ 465,108,000us-gaap_Revenues $ 493,603,000us-gaap_Revenues $ 512,987,000us-gaap_Revenues $ 511,690,000us-gaap_Revenues $ 1,558,758,000us-gaap_Revenues $ 1,983,388,000us-gaap_Revenues $ 1,934,642,000us-gaap_Revenues
Income (loss) from operations 373,984,000us-gaap_OperatingIncomeLoss [1],[2] 256,491,000us-gaap_OperatingIncomeLoss [1],[2] 42,079,000us-gaap_OperatingIncomeLoss [1],[2] (82,330,000)us-gaap_OperatingIncomeLoss [1],[2] 122,261,000us-gaap_OperatingIncomeLoss [3],[4],[5] (2,166,000)us-gaap_OperatingIncomeLoss [3],[4],[5] 78,386,000us-gaap_OperatingIncomeLoss [3],[4],[5] (367,482,000)us-gaap_OperatingIncomeLoss [3],[4],[5] 590,224,000us-gaap_OperatingIncomeLoss (169,001,000)us-gaap_OperatingIncomeLoss 325,196,000us-gaap_OperatingIncomeLoss
Interest income (expense), net                 (244,109,000)us-gaap_InterestIncomeExpenseNet (270,234,000)us-gaap_InterestIncomeExpenseNet (303,349,000)us-gaap_InterestIncomeExpenseNet
Bargain purchase gain                 0us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount 0us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount 122,696,000us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount
Loss on extinguishment of debt                 0us-gaap_GainsLossesOnExtinguishmentOfDebt (82,005,000)us-gaap_GainsLossesOnExtinguishmentOfDebt (3,075,000)us-gaap_GainsLossesOnExtinguishmentOfDebt
Other income (expense), net                 3,490,000us-gaap_OtherNonoperatingIncomeExpense 12,445,000us-gaap_OtherNonoperatingIncomeExpense 4,741,000us-gaap_OtherNonoperatingIncomeExpense
Income (loss) before income taxes                 349,605,000us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest (508,795,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest 146,209,000us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Capital expenditures                 1,608,889,000us-gaap_PropertyPlantAndEquipmentAdditions [6] 1,423,883,000us-gaap_PropertyPlantAndEquipmentAdditions [6] 2,223,982,000us-gaap_PropertyPlantAndEquipmentAdditions [6]
Depreciation, depletion, amortization and accretion                 503,023,000sd_DepreciationDepletionAmortizationAndAccretion 666,645,000sd_DepreciationDepletionAmortizationAndAccretion 657,830,000sd_DepreciationDepletionAmortizationAndAccretion
Total assets 7,259,225,000us-gaap_Assets       7,684,795,000us-gaap_Assets       7,259,225,000us-gaap_Assets 7,684,795,000us-gaap_Assets  
Exploration and Production                      
Segment Reporting Information [Line Items]                      
Revenues                 1,422,900,000us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember		 1,834,160,000us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember		 1,774,818,000us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember
Income (loss) from operations                 713,716,000us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember		 [7] 62,509,000us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember		 [7] 518,144,000us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember		 [7]
Interest income (expense), net                 100,000us-gaap_InterestIncomeExpenseNet
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember		 1,168,000us-gaap_InterestIncomeExpenseNet
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember		 1,286,000us-gaap_InterestIncomeExpenseNet
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember
Bargain purchase gain                     122,696,000us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember
Loss on extinguishment of debt                   0us-gaap_GainsLossesOnExtinguishmentOfDebt
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember		 0us-gaap_GainsLossesOnExtinguishmentOfDebt
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember
Other income (expense), net                 (423,000)us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember		 5,487,000us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember		 1,868,000us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember
Income (loss) before income taxes                 713,393,000us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember		 69,164,000us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember		 643,994,000us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember
Capital expenditures                 1,508,100,000us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember		 [6] 1,319,012,000us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember		 [6] 2,001,490,000us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember		 [6]
Depreciation, depletion, amortization and accretion                 443,573,000sd_DepreciationDepletionAmortizationAndAccretion
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember		 605,242,000sd_DepreciationDepletionAmortizationAndAccretion
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember		 598,101,000sd_DepreciationDepletionAmortizationAndAccretion
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember
Total assets 6,273,802,000us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember		       6,157,225,000us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember		       6,273,802,000us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember		 6,157,225,000us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember		  
Drilling and Oil Field Services                      
Segment Reporting Information [Line Items]                      
Revenues                 76,088,000us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember		 66,641,000us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember		 116,633,000us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember
Income (loss) from operations                 (37,564,000)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember		 [8] (40,155,000)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember		 [8] 11,911,000us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember		 [8]
Interest income (expense), net                 0us-gaap_InterestIncomeExpenseNet
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember		 0us-gaap_InterestIncomeExpenseNet
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember		 0us-gaap_InterestIncomeExpenseNet
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember
Bargain purchase gain                     0us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember
Loss on extinguishment of debt                   0us-gaap_GainsLossesOnExtinguishmentOfDebt
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember		 0us-gaap_GainsLossesOnExtinguishmentOfDebt
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember
Other income (expense), net                 (541,000)us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember		 0us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember		 0us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember
Income (loss) before income taxes                 (38,105,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember		 (40,155,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember		 11,911,000us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember
Capital expenditures                 18,385,000us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember		 [6] 7,125,000us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember		 [6] 27,527,000us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember		 [6]
Depreciation, depletion, amortization and accretion                 29,105,000sd_DepreciationDepletionAmortizationAndAccretion
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember		 33,291,000sd_DepreciationDepletionAmortizationAndAccretion
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember		 34,677,000sd_DepreciationDepletionAmortizationAndAccretion
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember
Total assets 115,083,000us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember		       158,737,000us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember		       115,083,000us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember		 158,737,000us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember		  
Midstream Services                      
Segment Reporting Information [Line Items]                      
Revenues                 55,394,000us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember		 79,460,000us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember		 38,835,000us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember
Income (loss) from operations                 (9,094,000)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember		 [9] (21,567,000)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember		 [9] (73,027,000)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember		 [9]
Interest income (expense), net                 0us-gaap_InterestIncomeExpenseNet
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember		 (209,000)us-gaap_InterestIncomeExpenseNet
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember		 (559,000)us-gaap_InterestIncomeExpenseNet
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember
Bargain purchase gain                     0us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember
Loss on extinguishment of debt                   0us-gaap_GainsLossesOnExtinguishmentOfDebt
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember		 0us-gaap_GainsLossesOnExtinguishmentOfDebt
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember
Other income (expense), net                 9,000us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember		 (3,222,000)us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember		 0us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember
Income (loss) before income taxes                 (9,085,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember		 (24,998,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember		 (73,586,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember
Capital expenditures                 44,606,000us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember		 [6] 55,706,000us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember		 [6] 80,413,000us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember		 [6]
Depreciation, depletion, amortization and accretion                 10,085,000sd_DepreciationDepletionAmortizationAndAccretion
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember		 7,972,000sd_DepreciationDepletionAmortizationAndAccretion
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember		 7,188,000sd_DepreciationDepletionAmortizationAndAccretion
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember
Total assets 219,691,000us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember		       188,165,000us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember		       219,691,000us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember		 188,165,000us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember		  
All Other                      
Segment Reporting Information [Line Items]                      
Revenues                 4,376,000us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember		 3,127,000us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember		 4,356,000us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
Income (loss) from operations                 (76,834,000)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember		 [10] (169,788,000)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember		 [10] (131,832,000)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember		 [10]
Interest income (expense), net                 (244,209,000)us-gaap_InterestIncomeExpenseNet
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember		 (271,193,000)us-gaap_InterestIncomeExpenseNet
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember		 (304,076,000)us-gaap_InterestIncomeExpenseNet
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
Bargain purchase gain                     0us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
Loss on extinguishment of debt                   (82,005,000)us-gaap_GainsLossesOnExtinguishmentOfDebt
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember		 (3,075,000)us-gaap_GainsLossesOnExtinguishmentOfDebt
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
Other income (expense), net                 4,445,000us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember		 10,180,000us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember		 2,873,000us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
Income (loss) before income taxes                 (316,598,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember		 (512,806,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember		 (436,110,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
Capital expenditures                 37,798,000us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember		 [6] 42,040,000us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember		 [6] 114,552,000us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember		 [6]
Depreciation, depletion, amortization and accretion                 20,260,000sd_DepreciationDepletionAmortizationAndAccretion
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember		 20,140,000sd_DepreciationDepletionAmortizationAndAccretion
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember		 17,864,000sd_DepreciationDepletionAmortizationAndAccretion
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
Total assets 650,649,000us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember		       1,180,668,000us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember		       650,649,000us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember		 1,180,668,000us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember		  
Operating Segments                      
Segment Reporting Information [Line Items]                      
Revenues                 1,763,380,000us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember		 2,205,052,000us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember		 2,275,581,000us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
Operating Segments | Exploration and Production                      
Segment Reporting Information [Line Items]                      
Revenues                 1,423,073,000us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember		 1,834,480,000us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember		 1,775,221,000us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= sd_OilAndGasExplorationAndProductionMember
Operating Segments | Drilling and Oil Field Services                      
Segment Reporting Information [Line Items]                      
Revenues                 192,944,000us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember		 187,456,000us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember		 379,345,000us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= sd_DrillingAndOilFieldServicesMember
Operating Segments | Midstream Services                      
Segment Reporting Information [Line Items]                      
Revenues                 142,987,000us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember		 179,989,000us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember		 116,659,000us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= sd_MidstreamActivitiesMember
Operating Segments | All Other                      
Segment Reporting Information [Line Items]                      
Revenues                 4,376,000us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember		 3,127,000us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
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[1] Includes loss (gain) on derivative contracts of $42.5 million, $85.3 million, $(132.6) million and $(329.2) million for the first, second, third and fourth quarters, respectively.
[2] Includes a full cost ceiling limitation impairment of $164.8 million in the first quarter and impairments of drilling assets of $3.1 million and $24.3 million in the second and fourth quarters, respectively.
[3] Includes a $10.6 million impairment of various drilling assets and a $2.9 million impairment of a corporate asset in the second quarter of 2013 and a $2.1 million and $10.0 million impairment of certain midstream inventory, natural gas compressors, gas treating plants and a CO2 compression station in the second and fourth quarters of 2013, respectively.
[4] Includes loss (gain) on derivative contracts of $40.9 million, $(103.7) million, $132.8 million and $(22.9) million for the first, second, third and fourth quarters, respectively.
[5] Includes loss on sale of Permian Properties of $398.9 million in the first quarter of 2013.
[6] On an accrual basis and exclusive of acquisitions.
[7] Income (loss) from operations includes a full cost ceiling impairment of $164.8 million for the year ended December 31, 2014, a loss on the sale of the Permian Properties of $398.9 million for the year ended December 31, 2013, an impairment of the Company’s goodwill of $235.4 million for the year ended December 31, 2012 and the Company’s (gain) loss on derivative contracts, including net cash payments upon settlement, for the years ended December 31, 2014, 2013 and 2012. See Note 13 for discussion of derivative contracts.
[8] For the years ended December 31, 2014 and 2013, income (loss) from operations includes impairments of $27.4 million and $11.1 million, respectively, on certain drilling assets.
[9] For the years ended December 31, 2014, 2013 and 2012, loss from operations includes impairments of the Company’s gas treating plants in west Texas and other midstream assets of $0.6 million, $3.9 million and $59.7 million, respectively.
[10] For the year ended December 31, 2013, loss from operations includes a $2.9 million impairment of a corporate asset and an $8.3 million impairment of the Company’s CO2 compression facilities. For the year ended December 31, 2012, loss from operations includes a $19.6 million impairment of the Company’s CO2 compression facilities.