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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)   50,000,000us-gaap_PreferredStockSharesAuthorized 50,000,000us-gaap_PreferredStockSharesAuthorized      
Preferred stock, par value (in dollars per share)   $ 0.001us-gaap_PreferredStockParOrStatedValuePerShare $ 0.001us-gaap_PreferredStockParOrStatedValuePerShare      
Preferred stock, shares designated   5,700,000sd_PreferredStockSharesDesignated 7,700,000sd_PreferredStockSharesDesignated      
Shares repurchased then retired during period (in shares)   27,411,000us-gaap_StockRepurchasedAndRetiredDuringPeriodShares        
Shares repurchased then retired during period, value   $ 111,300,000us-gaap_StockRepurchasedAndRetiredDuringPeriodValue        
Broker fees and commission for shares repurchased, then retired   500,000sd_StockRepurchasedAndRetiredDuringPeriodValueBrokerFeesandCommissions        
Stockholder settlement gross 5,000,000sd_StockholderSettlementGross          
Shareholder receivable, number of annual installments 4sd_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   17,600,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember		 82,800,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember		 39,700,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember		    
Stock based compensation, capitalized   6,000,000us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember		 5,500,000us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember		 7,500,000us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember		    
Total fair value of awards vested during the period   21,400,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember		 71,600,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember		 32,100,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember		    
Unrecognized compensation cost related to unvested awards   39,300,000us-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   6,200,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember		        
Restricted Stock | Separation of Former Executives            
Stockholders Equity Note [Line Items]            
Stock-based compensation     48,500,000us-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)         73,962,000us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
/ us-gaap_BusinessAcquisitionAxis
= sd_DynamicAcquisitionMember		 [1]  
2014 Share Repurchase Program            
Stockholders Equity Note [Line Items]            
Share repurchase program, maximum authorized amount   $ 200,000,000.0us-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)   18,400,000us-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           1sd_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.