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Segments - Intangible Assets and Goodwill (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Segment Reporting Information [Line Items] |  |
Intangible assets, net and goodwill | $ 163,886 | $ 160,152
Operating Segments | AAON Oklahoma |  |
Segment Reporting Information [Line Items] |  |
Intangible assets, net and goodwill | 23,408 | 22,966
Operating Segments | AAON Coil Products |  |
Segment Reporting Information [Line Items] |  |
Intangible assets, net and goodwill | 3,663 | 0
Operating Segments | BasX |  |
Segment Reporting Information [Line Items] |  |
Intangible assets, net and goodwill | $ 136,815 | $ 137,186

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- Definition Amount, after impairment and amortization, of goodwill, indefinite-lived, and finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 10 -Name Accounting Standards Codification -Section S45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480265/350-10-S45-1 + Details
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