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Long-Term Debt - Additional Information (Details) (USD $) | 12 Months Ended | 0 Months Ended | 3 Months Ended | 1 Months Ended | 0 Months Ended | 1 Months Ended | 0 Months Ended |  |  |
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Aug. 31, 2012 | Apr. 30, 2012 | Apr. 30, 2012 | Aug. 31, 2012 | Oct. 31, 2013 | Mar. 31, 2013 | Mar. 31, 2011
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Premium paid to purchase notes and unamortized debt issuance cost in relation to the notes | $ (82,005,000)us-gaap_GainsLossesOnExtinguishmentOfDebt | $ (3,075,000)us-gaap_GainsLossesOnExtinguishmentOfDebt | $ (38,232,000)us-gaap_GainsLossesOnExtinguishmentOfDebt |  |  |  |  |  |  |  |  |  |
Senior credit facility |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, debt to EBITDA ratio, total funded debt determination | 10,000,000 sd_AmountCashMustBeExceededByForTotalFundedDebtReduction / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember |  |  | 10,000,000 sd_AmountCashMustBeExceededByForTotalFundedDebtReduction / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember |  |  |  |  |  |  |  |  |
Debt maturity date |  |  |  | March 2017 |  |  |  |  |  |  |  |  |
Line of credit facility, financial covenants compliance | As of and during the year ended December 31, 2013, the Company was in compliance with all applicable financial covenants under the senior credit facility. |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, collateral | The obligations under the senior credit facility are guaranteed by certain Company subsidiaries and are secured by first priority liens on all shares of capital stock of certain of the Company’s material present and future subsidiaries; certain intercompany debt of the Company; and substantially all of the Company’s assets, including proved oil and natural gas reserves representing at least 80.0% of the discounted present value (as defined in the senior credit facility) of proved oil and natural gas reserves considered by the lenders in determining the borrowing base for the senior credit facility. |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, minimum collateral amount of proved oil and gas reserves representing the discounted present value of reserves used in borrowing base determination | 80.00%sd_AmountOfProvedReservesPledgedAsCollateralPercentage / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember |  |  | 80.00%sd_AmountOfProvedReservesPledgedAsCollateralPercentage / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember |  |  |  |  |  |  |  |  |
Line of credit facility, unused capacity, commitment fee percentage | 0.50%us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, increase (decrease), net | 0 us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember | 0 us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, average annual interest rates |  |  | 2.69%sd_DebtInstrumentAverageInterestRate / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember |  |  |  |  |  |  |  |  |  |
Line of credit facility maximum borrowings capacity |  |  |  |  |  |  | 775,000,000.0 us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember |  |  | 775,000,000.0 us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember | 775,000,000.0 us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember |  |
Line of credit facility, amount outstanding | 0 us-gaap_LineOfCreditFacilityAmountOutstanding / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember |  |  | 0 us-gaap_LineOfCreditFacilityAmountOutstanding / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember |  |  |  |  |  |  |  |  |
Line of credit facility, letters of credit outstanding | 29,100,000 us-gaap_LettersOfCreditOutstandingAmount / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember |  |  | 29,100,000 us-gaap_LettersOfCreditOutstandingAmount / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember |  |  |  |  |  |  |  |  |
Line of Credit Facility, Interest Rate Description | (a) the London Interbank Offered Rate (“LIBOR”) plus an applicable margin between 1.75% and 2.75% per annum or (b) the “base rate,” which is the highest of (i) the federal funds rate plus 0.5%, (ii) the prime rate published by Bank of America or (iii) the Eurodollar rate (as defined in the senior credit facility) plus 1.00% per annum, plus, in each case under scenario (b), an applicable margin between 0.75% and 1.75% per annum. Interest is payable quarterly for base rate loans and at the applicable maturity date for LIBOR loans, except that if the interest period for a LIBOR loan is six months, interest is paid at the end of each three-month period. |  |  |  |  |  |  |  |  |  |  |  |
Senior credit facility | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Current assets to current liabilities, ratio minimum | 1.0 sd_CurrentRatio / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember / us-gaap_RangeAxis = us-gaap_MinimumMember |  |  | 1.0 sd_CurrentRatio / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember / us-gaap_RangeAxis = us-gaap_MinimumMember |  |  |  |  |  |  |  |  |
Senior credit facility | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, debt to EBITDA, ratio maximum | 4.5 sd_DebtToEbitdaRatioMaximum / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  | 4.5 sd_DebtToEbitdaRatioMaximum / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |  |  |  |  |  |  |
Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, covenant compliance | As of and during the year ended December 31, 2013, the Company was in compliance with all of the covenants contained in the indentures governing its outstanding Senior Fixed Rate Notes. |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt maturities, repayments of principal in the next twelve months | 0 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths / us-gaap_DebtInstrumentAxis = us-gaap_SeniorNotesMember |  |  | 0 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths / us-gaap_DebtInstrumentAxis = us-gaap_SeniorNotesMember |  |  |  |  |  |  |  |  |
Long-term debt maturities, in years two and three | 0 us-gaap_LongTermDebtMaturingInYearsTwoAndThree / us-gaap_DebtInstrumentAxis = us-gaap_SeniorNotesMember |  |  | 0 us-gaap_LongTermDebtMaturingInYearsTwoAndThree / us-gaap_DebtInstrumentAxis = us-gaap_SeniorNotesMember |  |  |  |  |  |  |  |  |
Long-term debt maturities, in years four and five | 0 us-gaap_LongTermDebtMaturingInYearsFourAndFive / us-gaap_DebtInstrumentAxis = us-gaap_SeniorNotesMember |  |  | 0 us-gaap_LongTermDebtMaturingInYearsFourAndFive / us-gaap_DebtInstrumentAxis = us-gaap_SeniorNotesMember |  |  |  |  |  |  |  |  |
Senior Notes Outstanding |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt issuance cost, cumulative | 70,200,000 sd_DebtIssuanceCostCumulative / us-gaap_DebtInstrumentAxis = sd_SeniorNotesOutstandingMember |  |  | 70,200,000 sd_DebtIssuanceCostCumulative / us-gaap_DebtInstrumentAxis = sd_SeniorNotesOutstandingMember |  |  |  |  |  |  |  |  |
8.0% Senior Notes due 2018 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt maturity date |  |  |  | 2018 | 2018 |  |  |  |  |  |  |  |
Long-term debt, fixed interest rate | 8.00%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_DebtInstrumentAxis = sd_SeniorNotesEightPointZeroPercentDue2018Member | 8.00%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_DebtInstrumentAxis = sd_SeniorNotesEightPointZeroPercentDue2018Member |  | 8.00%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_DebtInstrumentAxis = sd_SeniorNotesEightPointZeroPercentDue2018Member | 8.00%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_DebtInstrumentAxis = sd_SeniorNotesEightPointZeroPercentDue2018Member |  |  |  |  |  |  |  |
Debt instrument redemption price per principal amount |  |  |  |  |  |  |  |  |  |  |  | 1,052.77 sd_DebtInstrumentRedemptionPricePerPrincipalAmount / us-gaap_DebtInstrumentAxis = sd_SeniorNotesEightPointZeroPercentDue2018Member |
Debt tender offer, aggregate principal amount |  |  |  |  |  |  |  |  |  |  |  | 750,000,000 sd_DebtTenderOfferAggregatePrincipalAmount / us-gaap_DebtInstrumentAxis = sd_SeniorNotesEightPointZeroPercentDue2018Member |
9.875% Senior Notes due 2016 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt maturity date |  |  |  | 2016 | 2016 |  |  |  |  |  |  |  |
Long-term debt, fixed interest rate | 9.875%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_DebtInstrumentAxis = sd_SeniorNotesNinePointEightSevenFivePercentDue2016Member | 9.875%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_DebtInstrumentAxis = sd_SeniorNotesNinePointEightSevenFivePercentDue2016Member |  | 9.875%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_DebtInstrumentAxis = sd_SeniorNotesNinePointEightSevenFivePercentDue2016Member | 9.875%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_DebtInstrumentAxis = sd_SeniorNotesNinePointEightSevenFivePercentDue2016Member |  |  |  |  |  |  |  |
Debt instrument redemption price per principal amount |  |  |  |  |  |  |  |  |  |  |  | 1,061.34 sd_DebtInstrumentRedemptionPricePerPrincipalAmount / us-gaap_DebtInstrumentAxis = sd_SeniorNotesNinePointEightSevenFivePercentDue2016Member |
Debt tender offer, aggregate principal amount |  |  |  |  |  |  |  |  |  |  |  | 365,500,000 sd_DebtTenderOfferAggregatePrincipalAmount / us-gaap_DebtInstrumentAxis = sd_SeniorNotesNinePointEightSevenFivePercentDue2016Member |
9.875% Senior Notes due 2016 and 8.0% Senior Notes due 2018 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Premium paid to purchase notes and unamortized debt issuance cost in relation to the notes | (82,000,000)us-gaap_GainsLossesOnExtinguishmentOfDebt / us-gaap_DebtInstrumentAxis = sd_NinePointEightSevenFivePercentSeniorNotesAndEightPointZeroPercentSeniorNotesMember |  |  |  |  |  |  |  |  |  |  |  |
8.125% Senior Notes due 2022 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt maturity date |  |  |  | 2022 | 2022 |  |  |  |  |  |  |  |
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%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_DebtInstrumentAxis = sd_SeniorNotesEightPointOneTwoFivePercentDue2022Member |  |  |  |  |  |  |  |
7.5% Senior Notes due 2023 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt maturity date |  |  |  | 2023 | 2023 |  |  |  |  |  |  |  |
Long-term debt, fixed interest rate | 7.50%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_DebtInstrumentAxis = sd_SeniorNotesSevenPointFivePercentDue2023Member | 7.50%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_DebtInstrumentAxis = sd_SeniorNotesSevenPointFivePercentDue2023Member |  | 7.50%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_DebtInstrumentAxis = sd_SeniorNotesSevenPointFivePercentDue2023Member | 7.50%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_DebtInstrumentAxis = sd_SeniorNotesSevenPointFivePercentDue2023Member |  |  |  |  |  |  |  |
7.5% Senior Notes due 2021 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt maturity date |  |  |  | 2021 | 2021 |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  |  |  |  |  |  |  |  | 900,000,000 us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = sd_SeniorNotesSevenPointFivePercentDue2021Member
Long-term debt, fixed interest rate | 7.50%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_DebtInstrumentAxis = sd_SeniorNotesSevenPointFivePercentDue2021Member | 7.50%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_DebtInstrumentAxis = sd_SeniorNotesSevenPointFivePercentDue2021Member |  | 7.50%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_DebtInstrumentAxis = sd_SeniorNotesSevenPointFivePercentDue2021Member | 7.50%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_DebtInstrumentAxis = sd_SeniorNotesSevenPointFivePercentDue2021Member |  |  |  |  |  |  |  |
8.625% Senior Notes Due 2015 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Premium paid to purchase notes and unamortized debt issuance cost in relation to the notes |  |  | (38,200,000)us-gaap_GainsLossesOnExtinguishmentOfDebt / us-gaap_DebtInstrumentAxis = sd_SeniorNotesEightPointSixTwoFivePercentDue2015Member |  |  |  |  |  |  |  |  |  |
Senior Floating Rate Notes due 2014 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, basis spread on variable rate |  |  |  |  |  | 3.625%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_DebtInstrumentAxis = sd_SeniorFloatingRateNotesDue2014Member |  |  |  |  |  |  |
Premium paid to purchase notes and unamortized debt issuance cost in relation to the notes |  | (3,100,000)us-gaap_GainsLossesOnExtinguishmentOfDebt / us-gaap_DebtInstrumentAxis = sd_SeniorFloatingRateNotesDue2014Member |  |  |  |  |  |  |  |  |  |  |
Percentage of aggregate senior notes outstanding principal amount purchased |  |  |  |  |  | 100.00%sd_Debtinstrumentrepurchasedpercentage / us-gaap_DebtInstrumentAxis = sd_SeniorFloatingRateNotesDue2014Member |  |  |  |  |  |  |
Debt instrument, repurchased face amount |  |  |  |  |  | 350,000,000 us-gaap_DebtInstrumentRepurchasedFaceAmount / us-gaap_DebtInstrumentAxis = sd_SeniorFloatingRateNotesDue2014Member |  |  |  |  |  |  |
2012 Activity | 2012 Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt issuance cost, cumulative |  | 41,000,000 sd_DebtIssuanceCostCumulative / us-gaap_DebtInstrumentAxis = sd_A2012SeniorNotesMember / sd_DebtIssuanceActivityAxis = sd_A2012ActivityMember |  |  | 41,000,000 sd_DebtIssuanceCostCumulative / us-gaap_DebtInstrumentAxis = sd_A2012SeniorNotesMember / sd_DebtIssuanceActivityAxis = sd_A2012ActivityMember |  |  |  |  |  |  |  |
Proceeds from debt, net of issuance costs |  |  |  |  |  |  | 1,100,000,000 us-gaap_ProceedsFromDebtNetOfIssuanceCosts / us-gaap_DebtInstrumentAxis = sd_A2012SeniorNotesMember / sd_DebtIssuanceActivityAxis = sd_A2012ActivityMember |  |  |  |  |  |
2012 Activity | 8.125% Senior Notes due 2022 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument issuance date, month and year |  |  |  |  |  |  |  | April 2012 |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  |  |  | 750,000,000 us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = sd_SeniorNotesEightPointOneTwoFivePercentDue2022Member / sd_DebtIssuanceActivityAxis = sd_A2012ActivityMember | 750,000,000 us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = sd_SeniorNotesEightPointOneTwoFivePercentDue2022Member / sd_DebtIssuanceActivityAxis = sd_A2012ActivityMember |  |  |  |
Proceeds from debt, net of issuance costs |  |  |  |  |  |  |  |  | 730,100,000 us-gaap_ProceedsFromDebtNetOfIssuanceCosts / us-gaap_DebtInstrumentAxis = sd_SeniorNotesEightPointOneTwoFivePercentDue2022Member / sd_DebtIssuanceActivityAxis = sd_A2012ActivityMember |  |  |  |
2012 Activity | 7.5% Senior Notes due 2023 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument issuance date, month and year |  |  |  |  |  |  |  |  |  | August 2012 |  |  |
Debt instrument, face amount | 825,000,000 us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = sd_SeniorNotesSevenPointFivePercentDue2023Member / sd_DebtIssuanceActivityAxis = sd_A2012ActivityMember |  |  | 825,000,000 us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = sd_SeniorNotesSevenPointFivePercentDue2023Member / sd_DebtIssuanceActivityAxis = sd_A2012ActivityMember |  |  |  |  |  |  |  |  |
Selling price of Senior Notes issued |  |  |  |  |  |  | 99.50%sd_SellingPriceOfSeniorNotesIssued / us-gaap_DebtInstrumentAxis = sd_SeniorNotesSevenPointFivePercentDue2023Member / sd_DebtIssuanceActivityAxis = sd_A2012ActivityMember |  |  |  |  |  |
2012 Activity | 7.5% Senior Notes due 2021 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount | 275,000,000 us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = sd_SeniorNotesSevenPointFivePercentDue2021Member / sd_DebtIssuanceActivityAxis = sd_A2012ActivityMember |  |  | 275,000,000 us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = sd_SeniorNotesSevenPointFivePercentDue2021Member / sd_DebtIssuanceActivityAxis = sd_A2012ActivityMember |  |  |  |  |  |  |  |  |
Selling price of Senior Notes issued |  |  |  |  |  |  | 101.625%sd_SellingPriceOfSeniorNotesIssued / us-gaap_DebtInstrumentAxis = sd_SeniorNotesSevenPointFivePercentDue2021Member / sd_DebtIssuanceActivityAxis = sd_A2012ActivityMember |  |  |  |  |  |
2011 Activity | 8.625% Senior Notes Due 2015 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, fixed interest rate |  |  | 8.625%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_DebtInstrumentAxis = sd_SeniorNotesEightPointSixTwoFivePercentDue2015Member / sd_DebtIssuanceActivityAxis = sd_A2011ActivityMember |  |  |  |  |  |  |  |  |  |
Debt tender offer, aggregate principal amount tendered |  |  | 650,000,000 sd_DebtTenderOfferAggregatePrincipalAmountTendered / us-gaap_DebtInstrumentAxis = sd_SeniorNotesEightPointSixTwoFivePercentDue2015Member / sd_DebtIssuanceActivityAxis = sd_A2011ActivityMember |  |  |  |  |  |  |  |  |  |
Addition to LIBOR per annum | Senior credit facility | LIBOR | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, basis spread on variable rate | 1.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_CreditFacilityAxis = sd_AdditionToLiborPerAnnumMember / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember / us-gaap_LineOfCreditFacilityAxis = sd_LIBORMember / us-gaap_RangeAxis = us-gaap_MinimumMember |  |  |  |  |  |  |  |  |  |  |  |
Addition to LIBOR per annum | Senior credit facility | LIBOR | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, basis spread on variable rate | 2.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_CreditFacilityAxis = sd_AdditionToLiborPerAnnumMember / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember / us-gaap_LineOfCreditFacilityAxis = sd_LIBORMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |  |  |  |  |  |  |  |  |  |
Addition to federal funds rate | Senior credit facility |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, basis spread on variable rate | 0.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_CreditFacilityAxis = sd_AdditionToFederalFundsRateMember / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember |  |  |  |  |  |  |  |  |  |  |  |
Addition to Eurodollar rate per annum | Senior credit facility | Eurodollar Rate |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, basis spread on variable rate | 1.00%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_CreditFacilityAxis = sd_AdditionToEurodollarRatePerAnnumMember / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember / us-gaap_LineOfCreditFacilityAxis = sd_EuroDollarRateMember |  |  |  |  |  |  |  |  |  |  |  |
Applicable margin to base rate per annum | Senior credit facility | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, basis spread on variable rate | 0.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_CreditFacilityAxis = sd_ApplicableMarginToBaseRatePerAnnumMember / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember / us-gaap_RangeAxis = us-gaap_MinimumMember |  |  |  |  |  |  |  |  |  |  |  |
Applicable margin to base rate per annum | Senior credit facility | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, basis spread on variable rate | 1.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_CreditFacilityAxis = sd_ApplicableMarginToBaseRatePerAnnumMember / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |  |  |  |  |  |  |  |  |  |
Prior to additional debt issuance | Senior credit facility |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility maximum borrowings capacity |  |  |  |  |  |  | $ 1,000,000,000.0 us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_CreditFacilityAxis = sd_PriorToAdditionalDebtIssuanceMember / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember |  |  | 1,000,000,000.0 us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_CreditFacilityAxis = sd_PriorToAdditionalDebtIssuanceMember / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember |  |  |

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- Definition Amount by which the cash balance must be exceeded to reduce total funded debt in the debt to EBITDA ratio calculation when no amounts have been drawn under the credit facility. + References No definition available. + Details
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- Definition Minimum collateral amount of proved oil and gas reserves representing the discounted present value of reserves used in borrowing base determination. + References No definition available. + Details
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- Definition Current ratio + References No definition available. + Details
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- Definition Debt Instrument, Average Interest Rate. + References No definition available. + Details
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- Definition Debt Instrument Issuance Date Month And Year + References No definition available. + Details
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- Definition Debt Instrument Redemption Price per Principal Amount + References No definition available. + Details
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- Definition Percentage of the original debt instrument that was repurchased. + References No definition available. + Details
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- Definition Debt issuance expense that was capitalized and is being amortized over the life of the respective debt. + References No definition available. + Details
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- Definition Debt Instrument, Maturity Date + References No definition available. + Details
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- Definition Debt Tender Offer Aggregate Principal Amount + References No definition available. + Details
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- Definition Debt Tender Offer Aggregate Principal Amount. + References No definition available. + Details
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- Definition Debt To EBITDA Ratio, Maximum + References No definition available. + Details
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- Definition Selling price of Senior Notes issued, expressed as a percentage of par + References No definition available. + Details
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition States whether the entity was in compliance with the debt covenants throughout the reporting period, and describes facts and circumstances of any compliance failure. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400 + Details
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- Details
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- Definition Face (par) amount of the original debt instrument that was repurchased. + References No definition available. + Details
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- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6850294&loc=d3e12317-112629 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6850294&loc=d3e12355-112629 + Details
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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- Definition Amount borrowed under the credit facility as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition Discussion of whether the borrowings under the credit facility are secured or unsecured and, if secured, a description of collateral (for example, accounts receivable less than 120 days old, finished goods inventory). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(b)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition Identification of whether the entity has been in compliance with any credit facility debt covenants during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition Amount of increase (decrease) of the credit facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph f -Article 4 + Details
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- Definition Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. + References No definition available. + Details
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- Definition Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fourth and fifth fiscal year following the latest fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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- Definition Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the second and third fiscal year following the latest fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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- Definition Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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- Definition The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination. + References No definition available. + Details
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