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Related Party Transactions - Additional Information (Details) (USD $) Share data in Millions, unless otherwise specified	12 Months Ended			3 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Sep. 30, 2013
Related Party Transaction [Line Items]
Sales to related parties	$ 1,600,000us-gaap_RevenueFromRelatedParties	$ 12,800,000us-gaap_RevenueFromRelatedParties	$ 21,500,000us-gaap_RevenueFromRelatedParties
Employee termination benefits	122,505,000us-gaap_PostemploymentBenefitsPeriodExpense	0us-gaap_PostemploymentBenefitsPeriodExpense	0us-gaap_PostemploymentBenefitsPeriodExpense
Former Chairman and CEO Severance
Related Party Transaction [Line Items]
Employee termination benefits	57,900,000us-gaap_PostemploymentBenefitsPeriodExpense / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = sd_FormerChairmanandCeoSeveranceMember
Severance liability	4,600,000us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = sd_FormerChairmanandCeoSeveranceMember
Severance, Number of monthly installments	36sd_PostemploymentBenefitsLiabilityNumberOfMonthlyInstallments / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = sd_FormerChairmanandCeoSeveranceMember
Severance, compensation cost of accelerated shares				36,800,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = sd_FormerChairmanandCeoSeveranceMember
Severance, number of accelerated shares				6.3sd_ShareBasedCompensationArranagementByShareBasedPaymentAwardAcceleratedCompensationShares / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = sd_FormerChairmanandCeoSeveranceMember
Employee Severance
Related Party Transaction [Line Items]
Employee termination benefits	23,200,000us-gaap_PostemploymentBenefitsPeriodExpense / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_EmployeeSeveranceMember
Annual Sponsorship Amount
Related Party Transaction [Line Items]
Sponsorship fees	3,300,000us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = sd_AnnualSponsorshipAmountMember
Lease with Related Party
Related Party Transaction [Line Items]
Contract term (in years)	3 years
Annual Lease Obligation to Related Party
Related Party Transaction [Line Items]
Related party transaction amounts	500,000us-gaap_RelatedPartyTransactionAmountsOfTransaction / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = sd_AnnualLeaseObligationToRelatedPartyMember
Leasehold Improvements under Lease with Related Party
Related Party Transaction [Line Items]
Related party transaction amounts	$ 3,300,000us-gaap_RelatedPartyTransactionAmountsOfTransaction / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = sd_LeaseholdImprovementsUnderLeaseWithRelatedPartyMember

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- Definition

Contract Term

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Postemployment Benefits Liability, Number Of Monthly Installments

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- Definition

Number of shares associated with additional share-based compensation cost recognized as a result of an occurence of an event that accelerates its recognition.

+ References

No definition available.

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- Definition

The carrying amount as of the balance sheet date of the obligations recognized for the various benefits provided to former or inactive employees, their beneficiaries, and covered dependents after employment but before retirement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

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Amount of transactions with related party during the financial reporting period.

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Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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-Publisher FASB

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1(e))

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Additional share-based compensation cost recognized as a result of an occurrence of an event that accelerates its recognition.

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