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Revenue Recognition (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disaggregation of Revenue [Line Items] |  |  |
Net sales | $ 534,517 | $ 514,551 | $ 469,333
Rooftop Units |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 398,461 | 400,946 | 349,427
Condensing Units |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 26,751 | 21,149 | 18,475
Air Handlers |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 26,684 | 23,931 | 24,265
Outdoor Mechanical Rooms |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 1,284 | 2,842 | 1,643
Cleanroom Systems |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 2,288 |  |
Data Center Cooling Solutions |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 1,688 |  |
Water-Source Heat Pumps |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 21,174 | 19,053 | 25,447
Part Sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 41,128 | 32,561 | 33,331
Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 15,059 | 14,069 | 16,745
AAON Oklahoma |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 463,845 | 458,957 | 418,669
AAON Oklahoma | Rooftop Units |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 398,461 | 400,946 | 349,427
AAON Oklahoma | Condensing Units |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 762 | 900 | 865
AAON Oklahoma | Air Handlers |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 | 0 | 0
AAON Oklahoma | Outdoor Mechanical Rooms |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 820 | 2,355 | 1,134
AAON Oklahoma | Cleanroom Systems |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 |  |
AAON Oklahoma | Data Center Cooling Solutions |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 |  |
AAON Oklahoma | Water-Source Heat Pumps |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 10,831 | 10,663 | 21,076
AAON Oklahoma | Part Sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 41,127 | 32,561 | 33,331
AAON Oklahoma | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 11,844 | 11,532 | 12,836
AAON Coil Products |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 66,589 | 55,594 | 50,664
AAON Coil Products | Rooftop Units |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 | 0 | 0
AAON Coil Products | Condensing Units |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 25,989 | 20,249 | 17,610
AAON Coil Products | Air Handlers |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 26,589 | 23,931 | 24,265
AAON Coil Products | Outdoor Mechanical Rooms |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 464 | 487 | 509
AAON Coil Products | Cleanroom Systems |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 |  |
AAON Coil Products | Data Center Cooling Solutions |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 |  |
AAON Coil Products | Water-Source Heat Pumps |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 10,343 | 8,390 | 4,371
AAON Coil Products | Part Sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 1 | 0 | 0
AAON Coil Products | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 3,203 | 2,537 | 3,909
BasX |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 4,083 | 0 | 0
BasX | Rooftop Units |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 | 0 | 0
BasX | Condensing Units |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 | 0 | 0
BasX | Air Handlers |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 95 | 0 | 0
BasX | Outdoor Mechanical Rooms |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 | 0 | 0
BasX | Cleanroom Systems |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 2,288 |  |
BasX | Data Center Cooling Solutions |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 1,688 |  |
BasX | Water-Source Heat Pumps |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 | 0 | 0
BasX | Part Sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 | 0 | 0
BasX | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | $ 12 | $ 0 | $ 0

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