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Revenue Recognition (Tables) | 12 Months Ended
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Dec. 31, 2025
Revenue from Contract with Customer [Abstract] |
Schedule of Disaggregation of Revenue | The following tables show disaggregated net sales by reportable segment (Note 23) by major product brand, net of intercompany sales eliminations.
Segment | Brands Produced | Brand Products
AAON Oklahoma | AAON | Rooftop units and aftermarket parts
AAON Coil Products | AAON / BASX | Condensing units, air handling products, data center cooling solutions, and geothermal/water-source heat pumps
BASX | BASX | Data center cooling solutions, cleanroom products, and air handling products
| Year Ended December 31, 2025 |
| AAON Oklahoma |  | AAON Coil Products |  | BASX |  | Total |
| (in thousands) |
AAON-branded Products | $ | 798,207 |  |  | $ | 96,075 |  |  | $ | — |  |  | $ | 894,282 |  |
BASX-branded Products | 3,002 |  |  | 229,278 |  |  | 315,514 |  |  | 547,794 |  |
Total | $ | 801,209 |  |  | $ | 325,353 |  |  | $ | 315,514 |  |  | $ | 1,442,076 |  |
| Year Ended December 31, 2024 |
| AAON Oklahoma |  | AAON Coil Products |  | BASX |  | Total |
| (in thousands) |
AAON-branded Products | $ | 858,711 |  |  | $ | 116,931 |  |  | $ | — |  |  | $ | 975,642 |  |
BASX-branded Products | — |  |  | 26,940 |  |  | 198,053 |  |  | 224,993 |  |
Total | $ | 858,711 |  |  | $ | 143,871 |  |  | $ | 198,053 |  |  | $ | 1,200,635 |  |
| Year Ended December 31, 2023 |
| AAON Oklahoma |  | AAON Coil Products |  | BASX |  | Total |
| (in thousands) |
AAON-branded Products | $ | 897,919 |  |  | $ | 104,073 |  |  | $ | — |  |  | $ | 1,001,992 |  |
BASX-branded Products | — |  |  | 8,247 |  |  | 158,279 |  |  | 166,526 |  |
Total | $ | 897,919 |  |  | $ | 112,320 |  |  | $ | 158,279 |  |  | $ | 1,168,518 |  |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
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