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Acquisitions and Divestitures - Gulf of Mexico Property Acquisitions - Unaudited Pro Forma Results of Operations (Details) (Gulf of Mexico Properties, USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Gulf of Mexico Properties
Business Acquisition [Line Items]
Revenues	$ 2,759,381	$ 1,502,325
Net income	247,035	191,073
Income available to SandRidge Energy, Inc. common stockholders	$ 86,510	$ 81,167
Earnings per common share
Basic (in dollars per share)	$ 0.19	$ 0.20
Diluted (in dollars per share)	$ 0.19	$ 0.20

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The pro forma net income loss available to common stockholders.

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The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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