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Fair Value Measurements - Significant Unobservable Inputs (Details) (Gulf Properties, Fair Value Measurements Level 3, USD $) In Thousands, unless otherwise specified	Mar. 31, 2014
Gulf Properties | Fair Value Measurements Level 3
Significant Unobservable Inputs
Estimated future payments for plugging and abandonment	$ 426,661

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- Definition

Estimated cash flows used as an input to measure fair value.

+ References

No definition available.

+ Details

Name:	sd_FairValueInputsEstimatedCashFlows
Namespace Prefix:	sd_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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- Details

Name:	us-gaap_FairValueInputsAssetsQuantitativeInformationLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration