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Segments - Long-lived Assets (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
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Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Total long-lived assets | $ 608,702 | $ 525,792
Operating Segments | AAON Oklahoma |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Total long-lived assets | 364,537 | 321,597
Operating Segments | AAON Coil Products |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Total long-lived assets | 154,681 | 122,515
Operating Segments | BasX |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Total long-lived assets | $ 89,484 | $ 81,680

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- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-41 + Details
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- 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 No definition available. + Details
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