Segments - Intangible Assets and Goodwill (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Intangible assets, net and goodwill	$ 160,152	$ 149,945
Operating Segments | AAON Oklahoma
Segment Reporting Information [Line Items]
Intangible assets, net and goodwill	22,966	10,282
Operating Segments | AAON Coil Products
Segment Reporting Information [Line Items]
Intangible assets, net and goodwill	0	0
Operating Segments | BasX
Segment Reporting Information [Line Items]
Intangible assets, net and goodwill	$ 137,186	$ 139,663