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Leases (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Leases [Abstract] |  |
Right of use assets | $ 12,252 | $ 7,123
Lease liability, short-term | 1,858 | 1,254
Lease liability, long-term | $ 10,684 | $ 5,993

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- Definition Operating and Finance Lease, Liability, Current + References No definition available. + Details
Name: | aaon_OperatingAndFinanceLeaseLiabilityCurrent
Namespace Prefix: | aaon_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Right Of Use Asset Including Finance And Operating Leases + References No definition available. + Details
Name: | aaon_RightOfUseAssetIncludingFinanceAndOperatingLeases
Namespace Prefix: | aaon_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- References No definition available. + Details
Name: | us-gaap_LeasesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479041/842-20-45-1 + Details
Name: | us-gaap_OperatingLeaseLiabilityNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant