Note C - Significant Customers - Summary of Warrants (Details) - Common Stock Warrants [Member] shares in Millions	6 Months Ended
Jun. 30, 2024 shares
Balance, vested (in shares)	21.8
Balance, unvested (in shares)	2.9
New Grants, vested (in shares)	0.7
New Grants, unvested (in shares)	2.2
Balance, vested (in shares)	22.5
Balance, unvested (in shares)	5.1

Value of outstanding derivative securities granted in the reported period that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

No definition available.

Name:	atsg_ClassOfWarrantOrRightGrantedInPeriodOutstanding
Namespace Prefix:	atsg_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration