Goodwill and Other Intangibles - Schedule Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Jul. 31, 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	5,653
ACMI Services [Member]
Finite and Indefinite-lived Intangible Assets [Roll Forward]
Carrying value at beginning of period	6,396
Amortization expense	(743)
Carrying value at end of period	5,653
ACMI Services [Member] | Airline Certificates [Member]
Finite and Indefinite-lived Intangible Assets [Roll Forward]
Carrying value at beginning of period	4,000
Amortization expense	(555)
Carrying value at end of period	3,445
ACMI Services [Member] | Airline Certificates [Member] | Boeing 727 Aircraft [Member]
Finite and Indefinite-lived Intangible Assets [Roll Forward]
Carrying value at end of period	400
ACMI Services [Member] | Customer Relationships [Member]
Finite and Indefinite-lived Intangible Assets [Roll Forward]
Carrying value at beginning of period	2,396		2,500
Amortization expense	(188)	(519)
Carrying value at end of period	$ 2,208		$ 2,500
Intangibles useful life	9 years