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Other Comprehensive Loss (Tables)
9 Months Ended
Sep. 30, 2011
Other Comprehensive Loss [Abstract] 
Other Comprehensive Loss
     Three Months Ended September 30,     Nine Months Ended September 30,  
     2011     2010     2011     2010  

Net loss

   $ (31,710   $ (10,239   $ (79,569   $ (34,796

Unrealized holding (loss) gain

     (20,237     5,917        (18,905     4,623   
  

 

 

   

 

 

   

 

 

   

 

 

 

Total other comprehensive loss

   $     (51,947   $     (4,322   $     (98,474   $     (30,173