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Interest and Debt Expense (Tables)
3 Months Ended
Mar. 31, 2013
Interest Expense Debt [Abstract]  
Interest And Debt Expense [Table Text Block]
   For the Three Months  
  (Amounts in thousands) Ended March 31, 
     2013 2012 
 Interest expense $ 124,726 $ 124,647 
 Amortization of deferred financing costs   5,422   5,428 
 Capitalized interest   (8,260)   (16) 
   $ 121,888 $ 130,059