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Acquisitions and Divestitures - Narrative (Details) (USD $) Share data in Thousands, unless otherwise specified | 12 Months Ended | 0 Months Ended | 3 Months Ended | 1 Months Ended | 0 Months Ended
--- | --- | --- | --- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Apr. 17, 2012 | Jun. 20, 2012 | Mar. 31, 2013 | Jan. 31, 2012 | Jun. 30, 2012 | Feb. 26, 2013 | Feb. 25, 2014
Business Acquisitions And Dispositions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Bargain purchase gain | $ 0 us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount | $ 0 us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount | $ 122,696,000 us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount |  |  |  |  |  |  |  |
Dynamic Acquisition |  |  |  |  |  |  |  |  |  |  |
Business Acquisitions And Dispositions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of equity interests acquired |  |  |  | 100.00%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired / us-gaap_BusinessAcquisitionAxis = sd_DynamicAcquisitionMember |  |  |  |  |  |  |
Purchase price of acquired entity |  |  |  | 1,235,229,000 sd_BusinessCombinationConsiderationTranferredEquityInterestsandCash / us-gaap_BusinessAcquisitionAxis = sd_DynamicAcquisitionMember | [1] |  |  |  |  |  |
Cash consideration |  |  |  | 680,000,000 us-gaap_PaymentsToAcquireBusinessesGross / us-gaap_BusinessAcquisitionAxis = sd_DynamicAcquisitionMember | [1],[2] |  |  |  |  |  |
Issuance of common stock in acquisition (in shares) |  |  |  | 73,962 us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued / us-gaap_BusinessAcquisitionAxis = sd_DynamicAcquisitionMember | [1] |  |  |  |  |  |
Revenue of acquiree since acquisition date |  |  | 365,000,000 us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual / us-gaap_BusinessAcquisitionAxis = sd_DynamicAcquisitionMember |  |  |  |  |  |  |  |
Earnings of acquiree since acquisition date |  |  | 81,500,000 us-gaap_BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual / us-gaap_BusinessAcquisitionAxis = sd_DynamicAcquisitionMember |  |  |  |  |  |  |  |
Acquisition related costs |  |  | 13,000,000 us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_BusinessAcquisitionAxis = sd_DynamicAcquisitionMember |  |  |  |  |  |  |  |
Measurement period adjustments to the preliminary purchase price allocation |  | 0 sd_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustment / us-gaap_BusinessAcquisitionAxis = sd_DynamicAcquisitionMember |  |  |  |  |  |  |  |  |
Bargain purchase gain |  |  |  | 122,696,000 us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount / us-gaap_BusinessAcquisitionAxis = sd_DynamicAcquisitionMember | [3] |  |  |  |  |  |
Gulf of Mexico Properties |  |  |  |  |  |  |  |  |  |  |
Business Acquisitions And Dispositions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cash consideration |  |  |  |  |  | 43,282,000 us-gaap_PaymentsToAcquireBusinessesGross / us-gaap_BusinessAcquisitionAxis = sd_GulfOfMexicoPropertiesMember |  |  |  |  |
Revenue of acquiree since acquisition date |  |  | 26,200,000 us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual / us-gaap_BusinessAcquisitionAxis = sd_GulfOfMexicoPropertiesMember |  |  |  |  |  |  |  |
Acquisition related costs |  |  | 200,000 us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_BusinessAcquisitionAxis = sd_GulfOfMexicoPropertiesMember |  |  |  |  |  |  |  |
Measurement period adjustments to the preliminary purchase price allocation |  |  |  |  |  |  | 4,800,000 sd_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustment / us-gaap_BusinessAcquisitionAxis = sd_GulfOfMexicoPropertiesMember |  |  |  |
Earnings on oil and gas properties |  |  | 19,100,000 sd_EarningsOnOilAndGasProperties / us-gaap_BusinessAcquisitionAxis = sd_GulfOfMexicoPropertiesMember |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  | 0 us-gaap_Goodwill / us-gaap_BusinessAcquisitionAxis = sd_GulfOfMexicoPropertiesMember |  |  |  |  |
Bargain purchase gain |  |  |  |  |  | 0 us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount / us-gaap_BusinessAcquisitionAxis = sd_GulfOfMexicoPropertiesMember |  |  |  |  |
Mississippian Properties |  |  |  |  |  |  |  |  |  |  |
Business Acquisitions And Dispositions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cash proceeds from sale of working interest subject to drilling carry commitment |  |  |  |  |  |  |  | 272,500,000 sd_CumulativeProceedsFromSaleofWorkingInterestSubjectToDrillingCarry / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_MississippianPropertiesMember |  |  |
Future drilling and completion costs |  |  |  |  |  |  |  | 750,000,000 sd_TotalDrillingCarry / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_MississippianPropertiesMember |  |  |
Gain (loss) on divestiture |  |  |  |  |  |  |  | 0 us-gaap_GainLossOnSaleOfOilAndGasProperty / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_MississippianPropertiesMember |  |  |
Tertiary |  |  |  |  |  |  |  |  |  |  |
Business Acquisitions And Dispositions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on divestiture |  |  |  |  |  |  |  |  | 0 us-gaap_GainLossOnSaleOfOilAndGasProperty / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_TertiaryMember |  |
Proceeds from sale of oil and natural gas properties |  |  |  |  |  |  |  |  | 130,800,000 us-gaap_ProceedsFromSaleOfOilAndGasPropertyAndEquipment / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_TertiaryMember |  |
Permian Properties |  |  |  |  |  |  |  |  |  |  |
Business Acquisitions And Dispositions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on divestiture |  | (398,900,000)us-gaap_GainLossOnSaleOfOilAndGasProperty / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_PermianPropertiesMember |  |  |  |  | (398,900,000)us-gaap_GainLossOnSaleOfOilAndGasProperty / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_PermianPropertiesMember |  |  |  |
Proceeds from sale of oil and natural gas properties |  |  |  |  |  |  |  |  |  | 2,600,000,000 us-gaap_ProceedsFromSaleOfOilAndGasPropertyAndEquipment / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_PermianPropertiesMember |
Gulf Properties |  |  |  |  |  |  |  |  |  |  |
Business Acquisitions And Dispositions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Proceeds from sale of oil and natural gas properties |  |  |  |  |  |  |  |  |  |  | 702,600,000 us-gaap_ProceedsFromSaleOfOilAndGasPropertyAndEquipment / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_GulfPropertiesMember
Contingent consideration, liability | 5,100,000 us-gaap_BusinessCombinationContingentConsiderationLiability / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_GulfPropertiesMember |  |  |  |  |  |  |  |  |  | 9,400,000 us-gaap_BusinessCombinationContingentConsiderationLiability / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_GulfPropertiesMember
Restricted deposits |  |  |  |  |  |  |  |  |  |  | 28,000,000 us-gaap_RestrictedCashAndCashEquivalents / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_GulfPropertiesMember
Consideration receivable, current | 14,000,000 sd_BusinessCombinationConsiderationReceivableCurrent / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_GulfPropertiesMember |  |  |  |  |  |  |  |  |  |
Non-controlling Interest | Permian Properties |  |  |  |  |  |  |  |  |  |  |
Business Acquisitions And Dispositions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on divestiture |  | (71,700,000)us-gaap_GainLossOnSaleOfOilAndGasProperty / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_PermianPropertiesMember / us-gaap_IncomeStatementLocationAxis = us-gaap_NoncontrollingInterestMember |  |  |  |  |  |  |  |  |
Asset Retirement Obligations | Gulf Properties |  |  |  |  |  |  |  |  |  |  |
Business Acquisitions And Dispositions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Asset retirement obligations assumed |  |  |  |  |  |  |  |  |  |  | $ 366,000,000 us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation / us-gaap_BalanceSheetLocationAxis = sd_AssetRetirementObligationsMember / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_GulfPropertiesMember
[1] | Consideration paid by the Company consisted of 74 million shares of SandRidge common stock and cash of approximately $680.0 million. The value of the stock consideration is based upon the closing price of $7.33 per share of SandRidge common stock on April 17, 2012, which was the closing date of the Dynamic Acquisition. Under the acquisition method of accounting, the purchase price is determined based on the total cash paid and the fair value of SandRidge common stock issued on the acquisition date.
[2] | Cash consideration paid, including amounts paid to retire Dynamic’s long-term debt, was funded through a portion of the net proceeds from the Company’s issuance of $750.0 million of unsecured 8.125% Senior Notes due 2022.
[3] | The bargain purchase gain resulted from the excess of the fair value of net assets acquired over consideration paid. To validate the bargain purchase gain on this acquisition, the Company reviewed its initial identification and valuation of assets acquired and liabilities assumed. The Company believes it was able to acquire Dynamic for less than the estimated fair value of its net assets due to their offshore location resulting in less bidding competition.

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