Represents the Debt Instrument, Covenant, Collateral to Outstanding Loan Ratio

No definition available.

Name:	atsg_DebtInstrumentCovenantCollateralToOutstandingLoanRatio
Namespace Prefix:	atsg_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the Debt Instrument, Covenant, Secured Leverage Ratio, Maximum.

+ References

No definition available.

+ Details

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Namespace Prefix:	atsg_
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- Definition

Represents the Debt Instrument, Covenant, Total Leverage Ratio, Maximum.

+ References

No definition available.

+ Details

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Namespace Prefix:	atsg_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-3

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

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The price per share of the conversion feature embedded in the debt instrument.

+ References

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Balance Type:	na
Period Type:	instant

- Definition

The number of equity instruments that the holder of the debt instrument would receive if the debt was converted to equity.

+ References

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Data Type:	xbrli:integerItemType
Balance Type:	na
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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Fair value amount of debt instrument that was repurchased.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Face (par) amount of the original debt instrument that was repurchased.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Indicates type of variable interest rate on debt instrument.

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-Topic 942
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- Definition

The strike price on the price risk option contract such as a put option or a call option.

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-Topic 946
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Balance Type:	na
Period Type:	instant

- Definition

Amount of gain (loss) from the difference between the repurchase price of a debt instrument initially issued by the entity and the net carrying amount of the debt at the time of its repurchase.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Balance Type:	credit
Period Type:	instant

- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
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Balance Type:	credit
Period Type:	instant

- Definition

The cash outflow for a financial contract that meets the hedge criteria as either cash flow hedge, fair value hedge or hedge of net investment in foreign operations.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
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Balance Type:	credit
Period Type:	duration

- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Period Type:	duration

- Definition

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

+ References

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-Topic 220
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-Name Accounting Standards Codification
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-Subparagraph (SX 210.5-03(8))
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Balance Type:	debit
Period Type:	duration

- Details

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Period Type:

- Details

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Period Type:

- Details

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Period Type:

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Period Type:

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Period Type:

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Period Type:

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Period Type:

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Balance Type:
Period Type:

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Note F - Debt Obligations (Details Textual) $ / shares in Units, $ in Thousands		1 Months Ended	3 Months Ended
	Aug. 14, 2023 USD ($) $ / shares shares	Sep. 30, 2017 USD ($) $ / shares $ / item	Mar. 31, 2024 USD ($) shares	Jun. 30, 2021 USD ($)	Dec. 31, 2023 USD ($)	Apr. 13, 2021 USD ($)	Jan. 28, 2020 USD ($)
Stock Repurchased During Period, Shares (in shares) \| shares	5,435,777
Long-Term Debt			$ 1,717,774		$ 1,762,282
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]			Secured Overnight Financing Rate (SOFR) [Member]
Warrants to the Convertible Note Hedge Counterparties [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) \| shares			1,700,000
Convertible Debt [Member]
Debt Instrument, Face Amount			$ 444,897		454,225
Long-Term Debt			444,897		444,420
Senior Notes [Member]
Long-Term Debt			578,694		578,574
Convertible Senior Notes Due2029 [Member] \| Convertible Debt [Member]
Debt Instrument, Face Amount	$ 400,000		390,782		400,000
Debt Instrument, Interest Rate, Stated Percentage	3.875%
Debt Instrument, Convertible, Conversion Price (in dollars per share) \| $ / shares	$ 31.28
Convertible Senior Notes Due 2024 [Member] \| Convertible Debt [Member]
Debt Instrument, Face Amount	$ 204,500	$ 258,800	54,115		54,225
Debt Instrument, Interest Rate, Stated Percentage	1.125%	1.125%
Debt Instrument, Convertible, Conversion Price (in dollars per share) \| $ / shares		$ 31.9
Debt Instrument, Repurchased Face Amount	$ 204,500
Long-Term Debt	54,200
Payments for Hedge, Financing Activities		$ 56,100
Debt Instrument, Convertible, Number of Equity Instruments		8,100,000
Derivative, Price Risk Option Strike Price (in USD per Per Share) \| $ / item		31.9
Gain (Loss) on Repurchase of Debt Instrument	$ 1,300
Senior Unsecured Notes [Member] \| Senior Notes [Member]
Debt Instrument, Face Amount						$ 200,000	$ 500,000
Debt Instrument, Interest Rate, Stated Percentage							4.75%
Debt Instrument, Repurchase Amount						$ 205,500
Deferred Debt Issuance Cost, Writeoff				$ 6,500
Long-Term Debt			4,000		$ 4,300
Revolving Credit Facility [Member] \| Senior Credit Agreement [Member]
Line of Credit Facility, Maximum Borrowing Capacity			$ 1,000,000
Debt Instrument, Covenant, Collateral to Outstanding Loan Ratio			1.25
Debt Instrument, Covenant, Secured Leverage Ratio, Maximum			3
Debt Instrument, Covenant, Total Leverage Ratio, Maximum			3.5
Debt Instrument, Basis Spread on Variable Rate			6.68%
Line of Credit Facility, Remaining Borrowing Capacity			$ 403,700
Revolving Credit Facility [Member] \| Irish Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity			100,000
Letter of Credit [Member] \| Irish Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity			$ 7,500