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Goodwill and Other Intangibles - Schedule of Goodwill (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Jul. 31, 2011
Goodwill [Roll Forward]      
Carrying value as of December 31, 2011 $ 86,980 $ 86,980  
Carrying value as of September 30, 2012 86,980 86,980  
ACMI Services [Member]
     
Goodwill [Roll Forward]      
Carrying value as of December 31, 2011 52,585 52,585 52,600
Carrying value as of September 30, 2012 52,585 52,585 52,600
CAM [Member]
     
Goodwill [Roll Forward]      
Carrying value as of December 31, 2011 34,395 34,395  
Carrying value as of September 30, 2012 $ 34,395 $ 34,395