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Impairment - Narrative (Details) (USD $) | 12 Months Ended | 3 Months Ended
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Jun. 30, 2013 | Dec. 31, 2013
Schedule of Impaired Long-Lived Assets Held and Used and Intangible Assets [Line Items] |  |  |  |  |
Full cost ceiling impairments | $ 164,800,000 us-gaap_UnamortizedCostsCapitalizedLessRelatedDeferredIncomeTaxesExceedCeilingLimitationExpense | $ 0 us-gaap_UnamortizedCostsCapitalizedLessRelatedDeferredIncomeTaxesExceedCeilingLimitationExpense | $ 0 us-gaap_UnamortizedCostsCapitalizedLessRelatedDeferredIncomeTaxesExceedCeilingLimitationExpense |  |
Asset impairment charges | 192,768,000 us-gaap_AssetImpairmentCharges | 26,280,000 us-gaap_AssetImpairmentCharges | 316,004,000 us-gaap_AssetImpairmentCharges |  |
Goodwill impairment loss |  |  | 235,400,000 us-gaap_GoodwillImpairmentLoss |  |
Drilling and Oilfield Services Assets - Permian Region |  |  |  |  |
Schedule of Impaired Long-Lived Assets Held and Used and Intangible Assets [Line Items] |  |  |  |  |
Asset impairment charges | 24,300,000 us-gaap_AssetImpairmentCharges / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_DrillingandOIlfieldServicesAssetsPermianRegionMember |  |  |  |
Drilling Assets |  |  |  |  |
Schedule of Impaired Long-Lived Assets Held and Used and Intangible Assets [Line Items] |  |  |  |  |
Asset impairment charges | 3,100,000 us-gaap_AssetImpairmentCharges / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_DrillingAssetsMember | 11,100,000 us-gaap_AssetImpairmentCharges / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_DrillingAssetsMember |  | 10,600,000 us-gaap_AssetImpairmentCharges / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_DrillingAssetsMember |
Drilling Rigs |  |  |  |  |
Schedule of Impaired Long-Lived Assets Held and Used and Intangible Assets [Line Items] |  |  |  |  |
Asset impairment charges |  |  | 0 us-gaap_AssetImpairmentCharges / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_RigsMember |  |
Gas Treating Plants and other Midstream Assets |  |  |  |  |
Schedule of Impaired Long-Lived Assets Held and Used and Intangible Assets [Line Items] |  |  |  |  |
Asset impairment charges | 600,000 us-gaap_AssetImpairmentCharges / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_GasTreatingPlantsandotherMidstreamAssetsMember | 12,200,000 us-gaap_AssetImpairmentCharges / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_GasTreatingPlantsandotherMidstreamAssetsMember |  | 2,100,000 us-gaap_AssetImpairmentCharges / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_GasTreatingPlantsandotherMidstreamAssetsMember | 10,000,000 us-gaap_AssetImpairmentCharges / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_GasTreatingPlantsandotherMidstreamAssetsMember
Gas Treating Plants and CO2 Compression Facilities |  |  |  |  |
Schedule of Impaired Long-Lived Assets Held and Used and Intangible Assets [Line Items] |  |  |  |  |
Asset impairment charges |  |  | 79,300,000 us-gaap_AssetImpairmentCharges / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_GasTreatingPlantsAndCo2CompressionFacilitiesMember |  |
Corporate Asset |  |  |  |  |
Schedule of Impaired Long-Lived Assets Held and Used and Intangible Assets [Line Items] |  |  |  |  |
Asset impairment charges |  | 2,900,000 us-gaap_AssetImpairmentCharges / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_CorporateAssetMember |  | 2,900,000 us-gaap_AssetImpairmentCharges / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_CorporateAssetMember |
Software Costs |  |  |  |  |
Schedule of Impaired Long-Lived Assets Held and Used and Intangible Assets [Line Items] |  |  |  |  |
Asset impairment charges |  |  | 1,300,000 us-gaap_AssetImpairmentCharges / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_SoftwareCostsMember |  |
Gulf Properties |  |  |  |  |
Schedule of Impaired Long-Lived Assets Held and Used and Intangible Assets [Line Items] |  |  |  |  |
Full cost ceiling impairments | $ 164,800,000 us-gaap_UnamortizedCostsCapitalizedLessRelatedDeferredIncomeTaxesExceedCeilingLimitationExpense / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_GulfPropertiesMember |  |  |  |

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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + 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 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2420-110228 + Details
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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + 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 350 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13777-109266 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition The excess of unamortized costs capitalized within a cost center, less related deferred income taxes, over the cost center ceiling limitation, which is charged to expense for oil and gas producing companies that use full cost method of accounting for investments in oil and gas producing properties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 360 -Section S99 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=27015634&loc=d3e516453-122869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 10 -Paragraph c -Subparagraph 4(ii) -Article 4 + Details
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