Goodwill and Other Intangibles - Schedule Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Finite and Indefinite-lived Intangible Assets by Major Class [Line Items]
Number of business units reporting goodwill (in reporting units)	2
Finite and Indefinite-lived Intangible Assets [Roll Forward]
Carrying value at beginning of period	$ 6,396
Carrying value at end of period	5,938
ACMI Services [Member]
Finite and Indefinite-lived Intangible Assets [Roll Forward]
Carrying value at beginning of period	6,396
Amortization expense	(458)
Carrying value at end of period	5,938
ACMI Services [Member] | Airline Certificates [Member]
Finite and Indefinite-lived Intangible Assets [Roll Forward]
Carrying value at beginning of period	4,000
Amortization expense	(333)
Carrying value at end of period	3,667
ACMI Services [Member] | Airline Certificates [Member] | Boeing 727 Aircraft [Member]
Finite and Indefinite-lived Intangible Assets [Roll Forward]
Carrying value at end of period	700
ACMI Services [Member] | Customer Relationships [Member]
Finite and Indefinite-lived Intangible Assets [Roll Forward]
Carrying value at beginning of period	2,396
Amortization expense	(125)	(409)
Carrying value at end of period	$ 2,271
Intangibles useful life	9 years