Contract Assets and Liabilities - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenue from Contract with Customer [Abstract]
Revenue recognized	$ 12.5	$ 21.4	$ 7.5

Contract with Customer, Liability, Revenue Recognized Including Opening Balance

No definition available.

Name:	aaon_ContractWithCustomerLiabilityRevenueRecognizedIncludingOpeningBalance
Namespace Prefix:	aaon_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration