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Income Taxes - (Benefit) Provision for Income Taxes (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Current
Federal	$ 4,359	$ (83)
State	70	154
Current, total	4,429	71
Deferred
Federal	0	0
State	0	0
Deferred, total	0	0
Total provision (benefit)	4,429	71
Less: income tax provision attributable to noncontrolling interest	75	90
Total provision (benefit) attributable to SandRidge Energy, Inc.	$ 4,354	$ (19)

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