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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	3 Months Ended	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2012
Gulf of Mexico Properties
Business Acquisition
Revenues	$ 492,233	$ 888,485
Net income	918,219	703,199
Income available to SandRidge Energy, Inc. common stockholders	$ 805,334	$ 574,478
Earnings per common share
Basic (in dollars per share)	$ 1.75	$ 1.33
Diluted (in dollars per share)	$ 1.46	$ 1.14

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