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Organization (Details) (USD $)
In Millions, except Share data, unless otherwise specified
 3 Months Ended 9 Months Ended
Dec. 31, 2011
Jun. 30, 2011
Dec. 31, 2011
Mar. 31, 2013
Dec. 31, 2012
Oct. 28, 2011
Oct. 27, 2011
Jun. 29, 2011
Oct. 24, 1994
ORGANIZATION [Abstract]                  
Common Stock, Shares, Issued       3,697,364 3,697,264       2,314,375
Common Stock, Par or Stated Value Per Share       $ 0.01 $ 0.01       $ 0.01
Proceeds from Issuance of Convertible Preferred Stock   $ 55              
Preferred Stock, Shares Issued               55,000  
Proceeds from Issuance of Preferred Stock and Preference Stock   51.4              
Proceeds from Contributions from Parent   $ 37 $ 7            
Stockholders' Equity, Reverse Stock Split     1-for-15            
Common Stock, Shares, Outstanding       3,695,420 3,695,320   2,492,415    
Stock Issued During Period, Shares, Reverse Stock Splits     166,161            
Stock Issued During Period, Shares, Other     2,321,286            
Conversion of Stock, Shares Converted 1,208,039                
Convertible Preferred Stock, Shares Issued upon Conversion           45,118