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Derivatives - Additional Information (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
SandRidge Mississippian Trust I
  
Derivative Instruments and Hedging Activities Disclosure [Line Items]  
Derivative agreement effective date Apr. 01, 2011
Commodity derivative contracts covering volumes of oil and gas production, date Dec. 31, 2015
SandRidge Permian Trust
  
Derivative Instruments and Hedging Activities Disclosure [Line Items]  
Derivative agreement effective date Aug. 01, 2011
Commodity derivative contracts covering volumes of oil and gas production, date Mar. 31, 2015
SandRidge Mississippian Trust II
  
Derivative Instruments and Hedging Activities Disclosure [Line Items]  
Derivative agreement effective date Apr. 01, 2012
Commodity derivative contracts covering volumes of oil and gas production, date Dec. 31, 2014
Interest rate swaps
  
Derivative Instruments and Hedging Activities Disclosure [Line Items]  
Contract period end Apr. 01, 2013
Senior Floating Rate Notes due 2014 | Fixed To Floating Interest Rate Swap Through April 1st 2013
  
Derivative Instruments and Hedging Activities Disclosure [Line Items]  
Notional amount of interest rate derivatives 350.0
Derivative, fixed interest rate 6.69%