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Summary of Significant Accounting Policies Summary of Significant Accounting Policies - Additional Information (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Significant Accounting Policies [Line Items]
Capitalized costs	$ 1,335,416,000us-gaap_CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities	$ 3,964,170,000us-gaap_CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities	$ 1,774,303,000us-gaap_CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities
Restricted deposit - pending sale	0us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue	255,000,000us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue
Natural gas balancing liability	2,600,000us-gaap_GasImbalanceAssetLiability	3,600,000us-gaap_GasImbalanceAssetLiability
Advertising expense	5,100,000us-gaap_AdvertisingExpense	11,800,000us-gaap_AdvertisingExpense	4,800,000us-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	74,700,000us-gaap_CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_InternalCostsMember	61,300,000us-gaap_CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_InternalCostsMember	37,100,000us-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	11,700,000us-gaap_InterestCostsCapitalized / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_OilAndGasUnprovedPropertiesMember	10,100,000us-gaap_InterestCostsCapitalized / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_OilAndGasUnprovedPropertiesMember	1,000,000us-gaap_InterestCostsCapitalized / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_OilAndGasUnprovedPropertiesMember
Midstream And Corporate Assets
Significant Accounting Policies [Line Items]
Interest capitalized during period	$ 4,900,000us-gaap_InterestCostsCapitalized / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_MidstreamAndCorporateAssetsMember	$ 4,700,000us-gaap_InterestCostsCapitalized / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_MidstreamAndCorporateAssetsMember	$ 2,000,000us-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

Name:	sd_PercentageOfReservesSoldWithinCostCenterNotExpectedToResultInSignificantAlteration
Namespace Prefix:	sd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	sd_SignificantAccountingPoliciesLineItems
Namespace Prefix:	sd_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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

Name:	us-gaap_CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- 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

Name:	us-gaap_GasImbalanceAssetLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

Name:	us-gaap_InterestCostsCapitalized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- 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

Name:	us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- 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

Name:	us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=sd_InternalCostsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=sd_MidstreamAndCorporateAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=sd_OilAndGasUnprovedPropertiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_EquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: