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Supplemental Information on Oil and Natural Gas Producing Activities - Calculation of Weighted Average Per Unit Prices (Unaudited) (Details)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Extractive Industries [Abstract]
Oil (per Bbl)	91.65	85.77	66.93
Natural gas (per Mcf)	2.29	4.06	3.80

X

- Definition

Based upon 12-month average market prices per Mcf at year-end adjusted for fixed or determinable contracts that are in existence at year-end.

+ References

No definition available.

+ Details

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- Definition

Based upon 12-month average market prices per barrel at year-end adjusted for fixed or determinable contracts that are in existence at year-end.

+ References

No definition available.

+ Details

Name:	sd_WeightedAverageOilPrice
Namespace Prefix:	sd_
Data Type:	us-types:perUnitItemType
Balance Type:	na
Period Type:	duration

X

- Details

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