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Long-Term Debt - Additional Information (Details) (USD $) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2014 | Mar. 31, 2013 | Apr. 30, 2014
Debt Instrument |  |  |
Loss on extinguishment of debt | $ 0 us-gaap_GainsLossesOnExtinguishmentOfDebt | $ 82,005,000 us-gaap_GainsLossesOnExtinguishmentOfDebt |
Senior credit facility |  |  |
Debt Instrument |  |  |
Long-term debt, debt to EBITDA ratio, total funded debt determination | 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 three month period ended March 31, 2014, the Company was in compliance with all applicable financial covenants under the senior credit facility. |  |
Line of credit facility, guarantee | 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, interest rate determination reference | (a) 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. |  |
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 |  |
Line of credit facility, unused capacity, commitment fee percentage | 0.50%us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage / 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 |  |
Line of credit facility, amount outstanding | 0 us-gaap_LineOfCreditFacilityAmountOutstanding / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember |  |
Line of credity facility, letters of credit outstanding | 29,300,000 us-gaap_LettersOfCreditOutstandingAmount / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember |  |
Senior credit facility | Minimum |  |  |
Debt Instrument |  |  |
Current assets to current liabilities, ratio minimum | 1.0 sd_CurrentRatio / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember / us-gaap_RangeAxis = us-gaap_MinimumMember |  |
Senior credit facility | Maximum |  |  |
Debt Instrument |  |  |
Long-term debt, debt to EBITDA, ratio maximum | 4.5 sd_DebtToEbitdaRatioMaximum / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |
Senior credit facility | Addition to LIBOR per annum | LIBOR | Minimum |  |  |
Debt Instrument |  |  |
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 |  |
Senior credit facility | Addition to LIBOR per annum | LIBOR | Maximum |  |  |
Debt Instrument |  |  |
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 |  |
Senior credit facility | Addition to federal funds rate |  |  |
Debt Instrument |  |  |
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 |  |
Senior credit facility | Addition to Eurodollar rate per annum | Euro Dollar Rate |  |  |
Debt Instrument |  |  |
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 |  |
Senior credit facility | Applicable margin to base rate per annum | Minimum |  |  |
Debt Instrument |  |  |
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 |  |
Senior credit facility | Applicable margin to base rate per annum | Maximum |  |  |
Debt Instrument |  |  |
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 |  |
Senior Notes Outstanding |  |  |
Debt Instrument |  |  |
Debt issuance cost | 70,200,000 sd_DebtIssuanceCostCumulative / us-gaap_DebtInstrumentAxis = sd_SeniorNotesOutstandingMember |  |
9.875% Senior Notes due 2016 |  |  |
Debt Instrument |  |  |
Debt tender offer, aggregate principal amount tendered |  | 365,500,000 sd_DebtTenderOfferAggregatePrincipalAmount / us-gaap_DebtInstrumentAxis = sd_SeniorNotesNinePointEightSevenFivePercentDue2016Member |
Long-term debt, fixed interest rate |  | 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 |
8.0% Senior Notes due 2018 |  |  |
Debt Instrument |  |  |
Debt tender offer, aggregate principal amount tendered |  | 750,000,000 sd_DebtTenderOfferAggregatePrincipalAmount / us-gaap_DebtInstrumentAxis = sd_SeniorNotesEightPointZeroPercentDue2018Member |
Long-term debt, fixed interest rate |  | 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 |
9.875% Senior Notes and 8.0% Senior Notes |  |  |
Debt Instrument |  |  |
Loss on extinguishment of debt |  | 82,000,000 us-gaap_GainsLossesOnExtinguishmentOfDebt / us-gaap_DebtInstrumentAxis = sd_NinePointEightSevenFivePercentSeniorNotesAndEightPointZeroPercentSeniorNotesMember |
Senior Notes |  |  |
Debt Instrument |  |  |
Debt instrument, restrictive covenants | Each of the indentures governing the Company’s Senior Fixed Rate Notes contains covenants that restrict the Company’s ability to take a variety of actions, including limitations on the incurrence of indebtedness, payment of dividends, investments, asset sales, certain asset purchases, transactions with related parties and consolidations or mergers. |  |
Debt instrument, covenant compliance | As of and during the three month period ended March 31, 2014, the Company was in compliance with all of the covenants contained in the indentures governing its senior notes. |  |
Subsequent Event | Senior credit facility |  |  |
Debt Instrument |  |  |
Line of credit facility maximum borrowings capacity |  |  | $ 775,000,000 us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember

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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 Debt Instrument Redemption Price per Principal Amount + 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 Description of covenants that limit or prohibit certain actions or activities without the lender's prior consent within a specified period of time or until certain specified targets are achieved for example, reduction of the debt or an increase in net worth to a specified amount). + 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.(e)) -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 e -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 + 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 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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