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Series A Notes, Net Of Current Maturities (Tables)
12 Months Ended
Dec. 31, 2011
Series A Notes, Net Of Current Maturities [Abstract]  
Schedule Of Series A Notes, Net Of Current Maturities
Schedule Of Future Principal Payments For The Series A Notes
   
December 31, 2011
 
2012 (current maturities)
  $ 29,612  
2013
    29,612  
2014
    29,612  
2015
    29,612  
2016
    29,612  
2017 and after
    111,034