Income Taxes (Tax Rate Reconciliation - Discontinued Operations) (Details)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Statutory federal tax rate	(35.00%)	(35.00%)	(35.00%)
State income taxes, net of federal tax benefit	(1.30%)	(1.30%)	(1.30%)
Effective income tax rate	(36.30%)	(36.30%)	(36.30%)

Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Discontinued Operations

No definition available.

Name:	atsg_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateDiscontinuedOperations
Namespace Prefix:	atsg_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration