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Leases (Tables)
9 Months Ended
Sep. 30, 2011
Leases [Abstract] 
Future Minimum Lease Payments Under Non-Cancelable Revenue Equipment Operating Leases

2011

   $ 403   

2012

     1,620   

2013

     1,620   

2014

     1,620   

2015

     610   
  

 

 

 

Total

   $ 5,873