Goodwill and Other Intangibles (Schedule Intangible Assets) (Details) (ACMI Services [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015
Finite and Indefinite-lived Intangible Assets [Roll Forward]
Carrying value at beginning of period	$ 4,615
Amortization expense	(70)
Carrying value at end of period	4,545
Customer Relationships [Member]
Finite and Indefinite-lived Intangible Assets [Roll Forward]
Carrying value at beginning of period	1,615
Amortization expense	(70)
Carrying value at end of period	1,545
Airline Certificates [Member]
Finite and Indefinite-lived Intangible Assets [Roll Forward]
Carrying value at beginning of period	3,000
Amortization expense	0
Carrying value at end of period	$ 3,000