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Earnings Per Share (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Earnings (Loss) Per Share    
Net income (loss) attributable to CVR Energy Stockholders $ (25,202) $ 45,788
Weighted-average number of shares of common stock outstanding 86,808,150 86,413,781
Effect of dilutive securities:    
Non-vested common stock (in shares)   1,366,782
Stock Options (in shares)   3,294
Weighted-average number of shares of common stock outstanding assuming dilution 86,808,150 87,783,857
Basic earnings (loss) per share (in dollars per share) $ (0.29) $ 0.53
Diluted earnings (loss) per share (in dollars per share) $ (0.29) $ 0.52
Non-vested shares
    
Antidilutive securities    
Antidilutive securities excluded from computation of diluted earnings per share (in shares) 1,659,483  
Stock Options
    
Antidilutive securities    
Antidilutive securities excluded from computation of diluted earnings per share (in shares) 22,900 19,606