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Summary of Significant Accounting Policies - Narrative (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Significant Accounting Policies [Line Items]
Capitalized costs	$ 1,526,484,000us-gaap_CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities	$ 1,335,416,000us-gaap_CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities	$ 3,964,170,000us-gaap_CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities
Maximum reserves sold from cost center not expected to result in significant alteration (less than)	25.00%sd_PercentageOfReservesSoldWithinCostCenterNotExpectedToResultInSignificantAlteration
Natural gas balancing liability	1,400,000us-gaap_GasImbalanceAssetLiability	2,600,000us-gaap_GasImbalanceAssetLiability
Advertising expense	1,300,000us-gaap_AdvertisingExpense	5,100,000us-gaap_AdvertisingExpense	11,800,000us-gaap_AdvertisingExpense
Internal Costs
Significant Accounting Policies [Line Items]
Capitalized costs	55,400,000us-gaap_CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_InternalCostsMember	74,700,000us-gaap_CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_InternalCostsMember	61,300,000us-gaap_CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_InternalCostsMember
Buildings | Minimum
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	10 years
Buildings | Maximum
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	39 years
Equipment | Minimum
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	3 years
Equipment | Maximum
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	30 years
Oil And Gas Unproved Properties
Significant Accounting Policies [Line Items]
Interest capitalized during period	14,700,000us-gaap_InterestCostsCapitalized / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_OilAndGasUnprovedPropertiesMember	11,700,000us-gaap_InterestCostsCapitalized / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_OilAndGasUnprovedPropertiesMember	10,100,000us-gaap_InterestCostsCapitalized / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_OilAndGasUnprovedPropertiesMember
Midstream And Corporate Assets
Significant Accounting Policies [Line Items]
Interest capitalized during period	$ 5,000,000us-gaap_InterestCostsCapitalized / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_MidstreamAndCorporateAssetsMember	$ 4,900,000us-gaap_InterestCostsCapitalized / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_MidstreamAndCorporateAssetsMember	$ 4,700,000us-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

- 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: