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SHAREHOLDERS' EQUITY (Details 2) (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2013
Warrants      
Preferred Stock, Shares Issued 0   0
Changes in outstanding warrants      
Exercised (in shares) (14,300,000) (3,900,000)  
Outstanding at the end of the period (in shares)       
Warrants and Rights Issued         
Proceeds from Warrant Exercises $ 284.1 $ 76.0