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Fair Value Option (Tables)
9 Months Ended
Sep. 30, 2011
Fair Value Option [Abstract] 
Gains (Losses) Due To Changes In Fair Value
     Three Months Ended September 30,      Nine Months Ended September 30,  
     2011     2010      2011     2010  
     (Amounts in thousands)  

Fixed maturity securities

   $ 25,525      $ 46,316       $ 49,834      $ 73,933   

Equity securities

     (87,009     40,720         (69,858     2,204   

Short-term investments

     (2,828     611         (2,854     (88
  

 

 

   

 

 

    

 

 

   

 

 

 

Total

   $ (64,312   $ 87,647       $ (22,878   $ 76,049