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Equity - Narrative (Details) (USD $) | 0 Months Ended | 12 Months Ended | 0 Months Ended |
--- | --- | --- | --- | ---
Nov. 09, 2012 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Apr. 17, 2012 | Nov. 29, 2012 Right
Stockholders Equity Note [Line Items] |  |  |  |  |  |  |
Preferred stock, shares authorized (in shares) |  | 50,000,000 us-gaap_PreferredStockSharesAuthorized | 50,000,000 us-gaap_PreferredStockSharesAuthorized |  |  |  |
Preferred stock, par value (in dollars per share) |  | $ 0.001 us-gaap_PreferredStockParOrStatedValuePerShare | $ 0.001 us-gaap_PreferredStockParOrStatedValuePerShare |  |  |  |
Preferred stock, shares designated |  | 5,700,000 sd_PreferredStockSharesDesignated | 7,700,000 sd_PreferredStockSharesDesignated |  |  |  |
Shares repurchased then retired during period (in shares) |  | 27,411,000 us-gaap_StockRepurchasedAndRetiredDuringPeriodShares |  |  |  |  |
Shares repurchased then retired during period, value |  | $ 111,300,000 us-gaap_StockRepurchasedAndRetiredDuringPeriodValue |  |  |  |  |
Broker fees and commission for shares repurchased, then retired |  | 500,000 sd_StockRepurchasedAndRetiredDuringPeriodValueBrokerFeesandCommissions |  |  |  |  |
Stockholder settlement gross | 5,000,000 sd_StockholderSettlementGross |  |  |  |  |  |
Shareholder receivable, number of annual installments | 4 sd_ShareholderReceivableNumberOfAnnualInstallments |  |  |  |  |  |
Shareholder receivable, period of repayment | 4 years |  |  |  |  |  |
Additional paid-in capital—stockholder receivable |  | (2,500,000)sd_AdditionalPaidInCapitalStockholderReceivable | (3,750,000)sd_AdditionalPaidInCapitalStockholderReceivable |  |  |  |
Restricted Stock |  |  |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |  |  |
Incentive compensation plans, vesting period (in years) |  | 4 years |  |  |  |  |
Stock-based compensation |  | 17,600,000 us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember | 82,800,000 us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember | 39,700,000 us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |  |  |
Stock based compensation, capitalized |  | 6,000,000 us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember | 5,500,000 us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember | 7,500,000 us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |  |  |
Total fair value of awards vested during the period |  | 21,400,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember | 71,600,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember | 32,100,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |  |  |
Unrecognized compensation cost related to unvested awards |  | 39,300,000 us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |  |  |  |  |
Unrecognized compensation cost related to unvested awards, weighted average period of recognition |  | 2 years 3 months 0 days |  |  |  |  |
Shares available for grant under existing incentive compensation plans |  | 6,200,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |  |  |  |  |
Restricted Stock | Separation of Former Executives |  |  |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |  |  |
Stock-based compensation |  |  | 48,500,000 us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_TitleOfIndividualAxis = sd_SeparationofFormerExecutivesMember |  |  |  |
Dynamic Acquisition |  |  |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |  |  |
Issuance of common stock in acquisition (in shares) |  |  |  |  | 73,962,000 us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued / us-gaap_BusinessAcquisitionAxis = sd_DynamicAcquisitionMember | [1] |
2014 Share Repurchase Program |  |  |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |  |  |
Share repurchase program, maximum authorized amount |  | $ 200,000,000.0 us-gaap_StockRepurchaseProgramAuthorizedAmount1 / us-gaap_ShareRepurchaseProgramAxis = sd_A2014ShareRepurchaseProgramMember |  |  |  |  |
6.0% Convertible perpetual preferred stock |  |  |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |  |  |
Preferred stock, dividend rate, percentage |  | 6.00%us-gaap_PreferredStockDividendRatePercentage / us-gaap_StatementClassOfStockAxis = sd_ConvertibleSixPercentPerpetualPreferredStockMember | 6.00%us-gaap_PreferredStockDividendRatePercentage / us-gaap_StatementClassOfStockAxis = sd_ConvertibleSixPercentPerpetualPreferredStockMember | 6.00%us-gaap_PreferredStockDividendRatePercentage / us-gaap_StatementClassOfStockAxis = sd_ConvertibleSixPercentPerpetualPreferredStockMember |  |  |
Shares of common stock issued related to the conversion of 6% preferred stock (in shares) |  | 18,400,000 us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities / us-gaap_StatementClassOfStockAxis = sd_ConvertibleSixPercentPerpetualPreferredStockMember |  |  |  |  |
Series A Junior Participating Preferred Stock | Stockholder Rights Plan |  |  |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |  |  |
Number of Rights issued per common share |  |  |  |  |  |  | 1 sd_ClassOfWarrantOrRightNumberIssuedPerCommonShare / us-gaap_ClassOfWarrantOrRightAxis = sd_StockholderRightsPlanMember / us-gaap_StatementClassOfStockAxis = sd_SeriesJuniorParticipatingPreferredStockMember
Right expiration date |  |  | Apr. 29, 2013 |  |  |  |
[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.

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