Liability of the Fair Value of Warrants to be issued

No definition available.

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Namespace Prefix:	atsg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of warrants or rights outstanding.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of warrants or rights which entitle the entity to receive future services in exchange for the unvested, forfeitable warrants or rights.

+ References

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+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Balance Type:	na
Period Type:	duration

- Definition

Amount of expense (income) related to adjustment to fair value of warrant liability.

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+ Details

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- Details

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- Details

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Significant Customers (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Concentration Risk [Line Items]
Accounts receivable	$ 176,146		$ 176,146		$ 153,511
Fair Value Adjustment of Warrants	33,500	$ (110,400)	40,400	$ 7,500
Warrant liability	$ 63,085		$ 63,085		103,474
DHL [Member] \| Revenues from Leases and Contracted Services [Member] \| Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Percentage of consolidated revenues	13.00%	12.00%	13.00%	11.00%
DHL [Member] \| Accounts Receivable [Member]
Concentration Risk [Line Items]
Accounts receivable	$ 11,456		$ 11,456		10,471
Amazon [Member] \| Revenues from Leases and Contracted Services [Member] \| Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Percentage of consolidated revenues	37.00%	29.00%	36.00%	29.00%
Amazon [Member] \| Accounts Receivable [Member]
Concentration Risk [Line Items]
Accounts receivable	$ 68,548		$ 68,548		55,997
US Military [Member] \| Revenues from Leases and Contracted Services [Member] \| Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Percentage of consolidated revenues	25.00%	33.00%	24.00%	32.00%
US Military [Member] \| Accounts Receivable [Member]
Concentration Risk [Line Items]
Accounts receivable	$ 40,060		$ 40,060		$ 32,625
Amazon Warrant C [Member] [Member]
Concentration Risk [Line Items]
Class of Warrant or Right, Outstanding	0		0
Warrant liability	$ (63,100)		$ (63,100)
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 21.53		$ 21.53
Class of Warrant or Right, Unissued	14,800		14,800
Amazon Warrant Subsequent [Member]
Concentration Risk [Line Items]
Class of Warrant or Right, Outstanding	2,300		2,300
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 20.40		$ 20.40
Class of Warrant or Right, Unissued	4,700		4,700