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Acquisitions and Divestitures - Dynamic Acquisition - Final Valuation of Assets Acquired and Liabilities Assumed (Additional Information) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended | 0 Months Ended |
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Apr. 17, 2012 | Apr. 30, 2012
Business Acquisition [Line Items] |  |  |  |  |  |
Face amount of Senior Notes issued | $ 0 us-gaap_ProceedsFromIssuanceOfLongTermDebt | $ 0 us-gaap_ProceedsFromIssuanceOfLongTermDebt | $ 1,850,344 us-gaap_ProceedsFromIssuanceOfLongTermDebt |  |  |
Dynamic Acquisition |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Issuance of common stock in acquisition (in shares) |  |  |  | 73,962 us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued / us-gaap_BusinessAcquisitionAxis = sd_DynamicAcquisitionMember | [1] |
Cash consideration |  |  |  | 680,000 us-gaap_PaymentsToAcquireBusinessesGross / us-gaap_BusinessAcquisitionAxis = sd_DynamicAcquisitionMember | [1],[2] |
SandRidge common stock price (in dollars per share) |  |  |  | $ 7.33 us-gaap_BusinessAcquisitionSharePrice / us-gaap_BusinessAcquisitionAxis = sd_DynamicAcquisitionMember | [1] |
Cash balance adjustment |  |  |  | 13,091 sd_BusinessAcquisitionAcquiredEntityCashBalanceAdjustment / us-gaap_BusinessAcquisitionAxis = sd_DynamicAcquisitionMember | [1],[3] |
Commodity prices period valuation before escalation |  |  |  | 4 years |  |
Annual escalation factor for forward commodity strip prices beginning the fifth year through end of production |  |  |  | 2.00%sd_AnnualEscalationFactorForForwardCommodityStripPrices / us-gaap_BusinessAcquisitionAxis = sd_DynamicAcquisitionMember |  |
Oil | Dynamic Acquisition |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Commodity average price (in dollars per bbl for oil/dollars per mcf for natural gas) |  |  |  | 113.62 sd_CommodityAveragePrice / us-gaap_AverageSalesPriceAndProductionCostsPerUnitOfProductionProductionTypeAxis = us-gaap_CrudeOilMember / us-gaap_BusinessAcquisitionAxis = sd_DynamicAcquisitionMember |  |
Natural Gas Reserves | Dynamic Acquisition |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Commodity average price (in dollars per bbl for oil/dollars per mcf for natural gas) |  |  |  | 3.83 sd_CommodityAveragePrice / us-gaap_AverageSalesPriceAndProductionCostsPerUnitOfProductionProductionTypeAxis = us-gaap_NaturalGasReservesMember / us-gaap_BusinessAcquisitionAxis = sd_DynamicAcquisitionMember |  |
8.125% Senior Notes due 2022 |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Long-term debt, fixed interest rate | 8.125%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_DebtInstrumentAxis = sd_SeniorNotesEightPointOneTwoFivePercentDue2022Member | 8.125%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_DebtInstrumentAxis = sd_SeniorNotesEightPointOneTwoFivePercentDue2022Member |  |  |  | 8.125%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_DebtInstrumentAxis = sd_SeniorNotesEightPointOneTwoFivePercentDue2022Member
8.125% Senior Notes due 2022 | Dynamic Acquisition |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Face amount of Senior Notes issued |  |  |  | $ 750,000 us-gaap_ProceedsFromIssuanceOfLongTermDebt / us-gaap_BusinessAcquisitionAxis = sd_DynamicAcquisitionMember / us-gaap_DebtInstrumentAxis = sd_SeniorNotesEightPointOneTwoFivePercentDue2022Member |  |
Long-term debt, fixed interest rate |  |  |  | 8.125%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_BusinessAcquisitionAxis = sd_DynamicAcquisitionMember / us-gaap_DebtInstrumentAxis = sd_SeniorNotesEightPointOneTwoFivePercentDue2022Member |  |
[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] | In accordance with the acquisition agreement, the Company remitted to the seller a cash payment equal to Dynamic’s average daily cash balance for the 30-day period ending on the second day prior to closing. This resulted in an additional cash payment by the Company of $13.1 million at closing.

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