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Condensed Consolidating Financial Information - Condensed Consolidating Statements of Operations of SandRidge Energy, Inc. and Wholly Owned Subsidiary Guarantors and Non-Guarantors' (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
Dec. 31, 2013
Dec. 31, 2012
Condensed Financial Statements, Captions [Line Items]                      
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
Expenses                      
Direct operating expenses                 483,889,000us-gaap_DirectOperatingCosts 682,830,000us-gaap_DirectOperatingCosts 635,349,000us-gaap_DirectOperatingCosts
General and administrative                 122,865,000us-gaap_GeneralAndAdministrativeExpense 330,425,000us-gaap_GeneralAndAdministrativeExpense 241,682,000us-gaap_GeneralAndAdministrativeExpense
Depreciation, depletion, amortization and accretion                 503,023,000sd_DepreciationDepletionAmortizationAndAccretion 666,645,000sd_DepreciationDepletionAmortizationAndAccretion 657,830,000sd_DepreciationDepletionAmortizationAndAccretion
Impairment                 192,768,000us-gaap_AssetImpairmentCharges 26,280,000us-gaap_AssetImpairmentCharges 316,004,000us-gaap_AssetImpairmentCharges
(Gain) loss on derivative contracts                 (334,011,000)us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet 47,123,000us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet (241,419,000)us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
Loss on sale of assets                 10,000us-gaap_GainLossOnSaleOfPropertyPlantEquipment 399,086,000us-gaap_GainLossOnSaleOfPropertyPlantEquipment 3,089,000us-gaap_GainLossOnSaleOfPropertyPlantEquipment
Total expenses                 968,534,000us-gaap_CostsAndExpenses 2,152,389,000us-gaap_CostsAndExpenses 1,609,446,000us-gaap_CostsAndExpenses
(Loss) income 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
Equity earnings from subsidiaries                 0sd_NetIncomeLossFromSubsidiaries 0sd_NetIncomeLossFromSubsidiaries 0sd_NetIncomeLossFromSubsidiaries
Interest (expense) income, 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
Income tax (benefit) expense                 (2,293,000)us-gaap_IncomeTaxExpenseBenefit 5,684,000us-gaap_IncomeTaxExpenseBenefit (100,362,000)us-gaap_IncomeTaxExpenseBenefit
Net income 314,057,000us-gaap_ProfitLoss [1],[2] 197,499,000us-gaap_ProfitLoss [1],[2] (17,252,000)us-gaap_ProfitLoss [1],[2] (142,406,000)us-gaap_ProfitLoss [1],[2] 73,379,000us-gaap_ProfitLoss [3],[4],[5] (65,256,000)us-gaap_ProfitLoss [3],[4],[5] 16,613,000us-gaap_ProfitLoss [3],[4],[5] (539,215,000)us-gaap_ProfitLoss [3],[4],[5] 351,898,000us-gaap_ProfitLoss (514,479,000)us-gaap_ProfitLoss 246,571,000us-gaap_ProfitLoss
Less: net income attributable to noncontrolling interest                 98,613,000us-gaap_NetIncomeLossAttributableToNoncontrollingInterest 39,410,000us-gaap_NetIncomeLossAttributableToNoncontrollingInterest 105,000,000us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
Net income attributable to SandRidge Energy, Inc.                 253,285,000us-gaap_NetIncomeLoss (553,889,000)us-gaap_NetIncomeLoss 141,571,000us-gaap_NetIncomeLoss
Parent                      
Condensed Financial Statements, Captions [Line Items]                      
Revenues                 0us-gaap_Revenues
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_Revenues
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_Revenues
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Expenses                      
Direct operating expenses                 0us-gaap_DirectOperatingCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_DirectOperatingCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_DirectOperatingCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
General and administrative                 331,000us-gaap_GeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
329,000us-gaap_GeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
367,000us-gaap_GeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Depreciation, depletion, amortization and accretion                 0sd_DepreciationDepletionAmortizationAndAccretion
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0sd_DepreciationDepletionAmortizationAndAccretion
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0sd_DepreciationDepletionAmortizationAndAccretion
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Impairment                 0us-gaap_AssetImpairmentCharges
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_AssetImpairmentCharges
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_AssetImpairmentCharges
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(Gain) loss on derivative contracts                 0us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Loss on sale of assets                   0us-gaap_GainLossOnSaleOfPropertyPlantEquipment
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
 
Total expenses                 331,000us-gaap_CostsAndExpenses
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
329,000us-gaap_CostsAndExpenses
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
367,000us-gaap_CostsAndExpenses
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(Loss) income from operations                 (331,000)us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(329,000)us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(367,000)us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Equity earnings from subsidiaries                 495,154,000sd_NetIncomeLossFromSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(195,118,000)sd_NetIncomeLossFromSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
347,715,000sd_NetIncomeLossFromSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Interest (expense) income, net                 (244,209,000)us-gaap_InterestIncomeExpenseNet
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(271,193,000)us-gaap_InterestIncomeExpenseNet
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(303,510,000)us-gaap_InterestIncomeExpenseNet
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Bargain purchase gain                     0us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Loss on extinguishment of debt                   (82,005,000)us-gaap_GainsLossesOnExtinguishmentOfDebt
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(3,075,000)us-gaap_GainsLossesOnExtinguishmentOfDebt
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Other income (expense), net                 0us-gaap_OtherNonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_OtherNonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_OtherNonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Income (loss) before income taxes                 250,614,000us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(548,645,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
40,763,000us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Income tax (benefit) expense                 (2,671,000)us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
5,244,000us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(100,808,000)us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Net income                 253,285,000us-gaap_ProfitLoss
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(553,889,000)us-gaap_ProfitLoss
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
141,571,000us-gaap_ProfitLoss
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Less: net income attributable to noncontrolling interest                 0us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Net income attributable to SandRidge Energy, Inc.                 253,285,000us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(553,889,000)us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
141,571,000us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Guarantors                      
Condensed Financial Statements, Captions [Line Items]                      
Revenues                 1,341,531,000us-gaap_Revenues
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
1,675,481,000us-gaap_Revenues
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
1,638,741,000us-gaap_Revenues
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Expenses                      
Direct operating expenses                 467,175,000us-gaap_DirectOperatingCosts
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
654,080,000us-gaap_DirectOperatingCosts
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
596,028,000us-gaap_DirectOperatingCosts
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
General and administrative                 118,249,000us-gaap_GeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
323,808,000us-gaap_GeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
235,102,000us-gaap_GeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Depreciation, depletion, amortization and accretion                 446,149,000sd_DepreciationDepletionAmortizationAndAccretion
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
581,435,000sd_DepreciationDepletionAmortizationAndAccretion
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
570,786,000sd_DepreciationDepletionAmortizationAndAccretion
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Impairment                 150,125,000us-gaap_AssetImpairmentCharges
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
15,038,000us-gaap_AssetImpairmentCharges
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
236,671,000us-gaap_AssetImpairmentCharges
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(Gain) loss on derivative contracts                 (292,733,000)us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
24,702,000us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(198,732,000)us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Loss on sale of assets                   291,743,000us-gaap_GainLossOnSaleOfPropertyPlantEquipment
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
 
Total expenses                 888,965,000us-gaap_CostsAndExpenses
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
1,890,806,000us-gaap_CostsAndExpenses
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
1,439,855,000us-gaap_CostsAndExpenses
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(Loss) income from operations                 452,566,000us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(215,325,000)us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
198,886,000us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Equity earnings from subsidiaries                 38,967,000sd_NetIncomeLossFromSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
3,075,000sd_NetIncomeLossFromSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
20,667,000sd_NetIncomeLossFromSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Interest (expense) income, net                 100,000us-gaap_InterestIncomeExpenseNet
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
959,000us-gaap_InterestIncomeExpenseNet
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
725,000us-gaap_InterestIncomeExpenseNet
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Bargain purchase gain                     122,696,000us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Loss on extinguishment of debt                   0us-gaap_GainsLossesOnExtinguishmentOfDebt
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_GainsLossesOnExtinguishmentOfDebt
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Other income (expense), net                 3,521,000us-gaap_OtherNonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
16,173,000us-gaap_OtherNonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
4,741,000us-gaap_OtherNonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Income (loss) before income taxes                 495,154,000us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(195,118,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
347,715,000us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Income tax (benefit) expense                 0us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Net income                 495,154,000us-gaap_ProfitLoss
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(195,118,000)us-gaap_ProfitLoss
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
347,715,000us-gaap_ProfitLoss
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Less: net income attributable to noncontrolling interest                 0us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Net income attributable to SandRidge Energy, Inc.                 495,154,000us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(195,118,000)us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
347,715,000us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Non-Guarantors                      
Condensed Financial Statements, Captions [Line Items]                      
Revenues                 217,367,000us-gaap_Revenues
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
308,300,000us-gaap_Revenues
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
404,418,000us-gaap_Revenues
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Expenses                      
Direct operating expenses                 16,854,000us-gaap_DirectOperatingCosts
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
29,143,000us-gaap_DirectOperatingCosts
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
146,416,000us-gaap_DirectOperatingCosts
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
General and administrative                 4,285,000us-gaap_GeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
6,288,000us-gaap_GeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
7,635,000us-gaap_GeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Depreciation, depletion, amortization and accretion                 56,874,000sd_DepreciationDepletionAmortizationAndAccretion
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
85,210,000sd_DepreciationDepletionAmortizationAndAccretion
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
87,044,000sd_DepreciationDepletionAmortizationAndAccretion
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Impairment                 42,643,000us-gaap_AssetImpairmentCharges
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
11,242,000us-gaap_AssetImpairmentCharges
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
79,333,000us-gaap_AssetImpairmentCharges
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(Gain) loss on derivative contracts                 (41,278,000)us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
22,421,000us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(42,687,000)us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Loss on sale of assets                   107,343,000us-gaap_GainLossOnSaleOfPropertyPlantEquipment
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
 
Total expenses                 79,378,000us-gaap_CostsAndExpenses
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
261,647,000us-gaap_CostsAndExpenses
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
277,741,000us-gaap_CostsAndExpenses
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(Loss) income from operations                 137,989,000us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
46,653,000us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
126,677,000us-gaap_OperatingIncomeLoss
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0sd_NetIncomeLossFromSubsidiaries
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0sd_NetIncomeLossFromSubsidiaries
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0us-gaap_InterestIncomeExpenseNet
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0us-gaap_GainsLossesOnExtinguishmentOfDebt
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(3,728,000)us-gaap_OtherNonoperatingIncomeExpense
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0us-gaap_OtherNonoperatingIncomeExpense
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Income (loss) before income taxes                 137,958,000us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
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42,925,000us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
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126,113,000us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
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Income tax (benefit) expense                 378,000us-gaap_IncomeTaxExpenseBenefit
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440,000us-gaap_IncomeTaxExpenseBenefit
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446,000us-gaap_IncomeTaxExpenseBenefit
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42,485,000us-gaap_ProfitLoss
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125,667,000us-gaap_ProfitLoss
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0us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
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42,485,000us-gaap_NetIncomeLoss
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125,667,000us-gaap_NetIncomeLoss
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Eliminations                      
Condensed Financial Statements, Captions [Line Items]                      
Revenues                 (140,000)us-gaap_Revenues
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(393,000)us-gaap_Revenues
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(108,517,000)us-gaap_Revenues
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Expenses                      
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(393,000)us-gaap_DirectOperatingCosts
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(107,095,000)us-gaap_DirectOperatingCosts
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0us-gaap_GeneralAndAdministrativeExpense
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(1,422,000)us-gaap_GeneralAndAdministrativeExpense
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0sd_DepreciationDepletionAmortizationAndAccretion
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0sd_DepreciationDepletionAmortizationAndAccretion
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0us-gaap_AssetImpairmentCharges
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(393,000)us-gaap_CostsAndExpenses
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(108,517,000)us-gaap_CostsAndExpenses
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(Loss) income from operations                 0us-gaap_OperatingIncomeLoss
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0us-gaap_OperatingIncomeLoss
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0us-gaap_OperatingIncomeLoss
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192,043,000sd_NetIncomeLossFromSubsidiaries
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(368,382,000)sd_NetIncomeLossFromSubsidiaries
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192,043,000us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
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192,043,000us-gaap_ProfitLoss
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(368,382,000)us-gaap_ProfitLoss
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$ 152,633,000us-gaap_NetIncomeLoss
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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.