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Related Party Transactions - Narrative (Details) (USD $) Share data in Millions, unless otherwise specified | 12 Months Ended | 3 Months Ended
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2013
Related Party Transaction [Line Items] |  |  |  |
Sales to related parties |  | $ 1,600,000 us-gaap_RevenueFromRelatedParties | $ 12,800,000 us-gaap_RevenueFromRelatedParties |
Employee termination benefits | 8,874,000 us-gaap_PostemploymentBenefitsPeriodExpense | 122,505,000 us-gaap_PostemploymentBenefitsPeriodExpense | 0 us-gaap_PostemploymentBenefitsPeriodExpense |
Former Chairman and CEO Severance |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Employee termination benefits |  |  |  | 57,900,000 us-gaap_PostemploymentBenefitsPeriodExpense / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = sd_FormerChairmanandCeoSeveranceMember
Severance, compensation cost of accelerated shares |  |  |  | 36,800,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = sd_FormerChairmanandCeoSeveranceMember
Severance, number of accelerated shares |  |  |  | 6.3 sd_ShareBasedCompensationArranagementByShareBasedPaymentAwardAcceleratedCompensationShares / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = sd_FormerChairmanandCeoSeveranceMember
Severance liability | 3,100,000 us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = sd_FormerChairmanandCeoSeveranceMember |  |  |
Annual Sponsorship Amount |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Sponsorship fees |  | 3,300,000 us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = sd_AnnualSponsorshipAmountMember |  |
Annual Lease Obligation to Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction amounts | 500,000 us-gaap_RelatedPartyTransactionAmountsOfTransaction / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = sd_AnnualLeaseObligationToRelatedPartyMember |  |  |
Leasehold Improvements under Lease with Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction amounts | 3,300,000 us-gaap_RelatedPartyTransactionAmountsOfTransaction / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = sd_LeaseholdImprovementsUnderLeaseWithRelatedPartyMember |  |  |
Gulf Properties | Employee Severance |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Employee termination benefits | 8,900,000 us-gaap_PostemploymentBenefitsPeriodExpense / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_GulfPropertiesMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_EmployeeSeveranceMember |  |  |
Permian Properties | Employee Severance |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Employee termination benefits |  | $ 23,200,000 us-gaap_PostemploymentBenefitsPeriodExpense / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_PermianPropertiesMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_EmployeeSeveranceMember |  |

X
- 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. + Details
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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 -Paragraph 1 -Subparagraph (SX 210.7-03.15) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 712 -SubTopic 10 -Section 25 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6410138&loc=d3e79691-111665 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 712 -SubTopic 10 -Section 25 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6410138&loc=d3e79708-111665 + Details
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- Definition 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)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Related Parties -URI http://asc.fasb.org/extlink&oid=16382449 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07.1(c)) -URI http://asc.fasb.org/extlink&oid=6488393&loc=d3e606610-122999 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 07 -Paragraph b -Subparagraph 1 -Article 6 + Details
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