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v3.25.4

Segments (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 USD ($) numberOfEntities | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
Segment Reporting [Abstract] |  |  |
Number of Reportable Segments | numberOfEntities | 3 |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | $ 1,442,076 | $ 1,200,635 | $ 1,168,518
Cost of sales | 1,056,352 | 803,526 | 769,498
Gross profit | 385,724 | 397,109 | 399,020
Selling, general and administrative expenses | 239,480 | 188,014 | 171,539
Add: gain on disposal of assets | 4 | 23 | 13
Income from operations | 146,248 | 209,118 | 227,494
AAON Oklahoma |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | 801,209 | 858,711 | 897,919
Cost of sales | 569,121 | 538,124 | 566,513
Gross profit | 232,088 | 320,587 | 331,406
AAON Coil Products |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | 325,353 | 143,871 | 112,320
Cost of sales | 255,681 | 116,287 | 94,335
Gross profit | 69,672 | 27,584 | 17,985
BasX |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | 315,514 | 198,053 | 158,279
Cost of sales | 231,550 | 149,115 | 108,650
Gross profit | 83,964 | 48,938 | 49,629
Operating Segments | AAON Oklahoma |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | 801,209 | 858,711 | 897,919
Operating Segments | AAON Coil Products |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | 325,353 | 143,871 | 112,320
Operating Segments | BasX |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | 315,514 | 198,053 | 158,279
Inter-segment sales | AAON Oklahoma |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | (48,198) | (6,336) | (4,324)
Inter-segment sales | AAON Coil Products |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | (16,005) | (20,192) | (27,492)
Inter-segment sales | BasX |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | (502) | (666) | (1,480)
Eliminations | AAON Oklahoma |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | (48,198) | (6,336) | (4,324)
Eliminations | AAON Coil Products |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | (16,005) | (20,192) | (27,492)
Eliminations | BasX |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | $ (502) | $ (666) | $ (1,480)

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