Goodwill and Other Intangibles (Schedule Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended			3 Months Ended	12 Months Ended							12 Months Ended
	Dec. 31, 2012 ReportingUnits	Dec. 31, 2011	Dec. 31, 2010	Sep. 30, 2011 ACMI Services [Member]	Dec. 31, 2012 ACMI Services [Member]	Dec. 31, 2011 ACMI Services [Member]	Dec. 31, 2010 ACMI Services [Member]	Dec. 31, 2012 ACMI Services [Member] Customer Relationships [Member]	Dec. 31, 2011 ACMI Services [Member] Customer Relationships [Member]	Dec. 31, 2010 ACMI Services [Member] Customer Relationships [Member]	Jul. 31, 2011 ACMI Services [Member] Customer Relationships [Member]	Dec. 31, 2012 ACMI Services [Member] Airline Certificates [Member]	Dec. 31, 2011 ACMI Services [Member] Airline Certificates [Member]
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								$ 2,396	$ 5,259		$ 2,500
Carrying value at beginning of period	6,396				6,396	9,259						4,000	4,000
Amortization expense					(1,250)	(581)		(250)	(581)	(800)		(1,000)	0
Impairment	0	(2,282)	0	2,300	0	(2,282)	0		(2,282)				0
Carrying value at end of period								2,146	2,396	5,259	2,500
Carrying value at end of period	$ 5,146	$ 6,396			$ 5,146	$ 6,396	$ 9,259					$ 3,000	$ 4,000
Intangibles useful life								8 years