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Summary of Significant Accounting Policies Summary of Significant Accounting Policies - Additional Information (Details) (USD $) | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Significant Accounting Policies [Line Items] |  |  |
Capitalized costs | $ 1,335,416,000 us-gaap_CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities | $ 3,964,170,000 us-gaap_CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities | $ 1,774,303,000 us-gaap_CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities
Restricted deposit - pending sale | 0 us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue | 255,000,000 us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue |
Natural gas balancing liability | 2,600,000 us-gaap_GasImbalanceAssetLiability | 3,600,000 us-gaap_GasImbalanceAssetLiability |
Advertising expense | 5,100,000 us-gaap_AdvertisingExpense | 11,800,000 us-gaap_AdvertisingExpense | 4,800,000 us-gaap_AdvertisingExpense
Maximum |  |  |
Significant Accounting Policies [Line Items] |  |  |
Maximum reserves sold from cost center not expected to result in significant alteration | 25.00%sd_PercentageOfReservesSoldWithinCostCenterNotExpectedToResultInSignificantAlteration / us-gaap_RangeAxis = us-gaap_MaximumMember |  |
Internal Costs |  |  |
Significant Accounting Policies [Line Items] |  |  |
Capitalized costs | 74,700,000 us-gaap_CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_InternalCostsMember | 61,300,000 us-gaap_CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_InternalCostsMember | 37,100,000 us-gaap_CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_InternalCostsMember
Buildings | Maximum |  |  |
Significant Accounting Policies [Line Items] |  |  |
Property, plant and equipment, useful life | 39 years |  |
Buildings | Minimum |  |  |
Significant Accounting Policies [Line Items] |  |  |
Property, plant and equipment, useful life | 10 years |  |
Equipment | Maximum |  |  |
Significant Accounting Policies [Line Items] |  |  |
Property, plant and equipment, useful life | 30 years |  |
Equipment | Minimum |  |  |
Significant Accounting Policies [Line Items] |  |  |
Property, plant and equipment, useful life | 3 years |  |
Oil And Gas Unproved Properties |  |  |
Significant Accounting Policies [Line Items] |  |  |
Interest capitalized during period | 11,700,000 us-gaap_InterestCostsCapitalized / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_OilAndGasUnprovedPropertiesMember | 10,100,000 us-gaap_InterestCostsCapitalized / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_OilAndGasUnprovedPropertiesMember | 1,000,000 us-gaap_InterestCostsCapitalized / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_OilAndGasUnprovedPropertiesMember
Midstream And Corporate Assets |  |  |
Significant Accounting Policies [Line Items] |  |  |
Interest capitalized during period | $ 4,900,000 us-gaap_InterestCostsCapitalized / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_MidstreamAndCorporateAssetsMember | $ 4,700,000 us-gaap_InterestCostsCapitalized / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_MidstreamAndCorporateAssetsMember | $ 2,000,000 us-gaap_InterestCostsCapitalized / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_MidstreamAndCorporateAssetsMember

X
- Definition The maximum percentage of reserves from a cost center that if sold would not ordinarily be expected to result in a significant alteration. + References No definition available. + Details
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Namespace Prefix: | sd_
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Balance Type: | na
Period Type: | instant

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- Details
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Data Type: | xbrli:stringItemType
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X
- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
Name: | us-gaap_AdvertisingExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of costs incurred related to oil and gas property acquisition, exploration and development activities, including capitalized costs and costs charged to expense. + References No definition available. + Details
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Balance Type: | debit
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- Definition The value of gas balancing asset or liability as of the end of the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 10 -Section S99 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=27015464&loc=d3e512571-122862 + Details
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Period Type: | instant

X
- Definition Amount of interest capitalized during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Allowance for Funds Used during Construction -URI http://asc.fasb.org/extlink&oid=6504829 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 + Details
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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. For a classified balance sheet represents the current portion only (the noncurrent portion has a separate concept); there is a separate and distinct element for unclassified presentations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Details
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Balance Type: |
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- Details
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Balance Type: |
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- Details
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Period Type: |

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- Details
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Balance Type: |
Period Type: |

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- Details
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