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Leases - Additional Information (Details) - squareFoot	Jul. 28, 2023	Nov. 30, 2022	Oct. 31, 2022	Sep. 30, 2022
MISSOURI
Lessee, Lease, Description [Line Items]
Number of square feet			86,000	51,000
OKLAHOMA
Lessee, Lease, Description [Line Items]
Number of square feet		198,000
OREGON
Lessee, Lease, Description [Line Items]
Number of square feet	72,000
Lease term	5 years
Industrial Property
Lessee, Lease, Description [Line Items]
Number of square feet			31,000
Office Building
Lessee, Lease, Description [Line Items]
Number of square feet			4,000

X

- Definition

Number Of Square Feet in Lease Agreement

+ References

No definition available.

+ Details

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Namespace Prefix:	aaon_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-3

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-3

+ Details

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Namespace Prefix:	us-gaap_
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Period Type:	instant

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- Details

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- Details

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- Details

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Namespace Prefix:
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X

- Details

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=srt_IndustrialPropertyMember
Namespace Prefix:
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X

- Details

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