Revenue Recognition (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Net sales	$ 1,168,518	$ 888,788	$ 534,517
Rooftop Units
Disaggregation of Revenue [Line Items]
Net sales	804,254	579,363	398,461
Condensing Units
Disaggregation of Revenue [Line Items]
Net sales	42,800	46,589	26,751
Air Handlers
Disaggregation of Revenue [Line Items]
Net sales	61,830	61,876	26,684
Outdoor Mechanical Rooms
Disaggregation of Revenue [Line Items]
Net sales	506	1,467	1,284
Cleanroom Systems
Disaggregation of Revenue [Line Items]
Net sales	45,191	47,020	2,288
Data Center Cooling Solutions
Disaggregation of Revenue [Line Items]
Net sales	101,299	53,522	1,688
Water-Source Heat Pumps
Disaggregation of Revenue [Line Items]
Net sales	15,898	20,326	21,174
Part Sales
Disaggregation of Revenue [Line Items]
Net sales	67,696	53,598	41,128
Other
Disaggregation of Revenue [Line Items]
Net sales	29,044	25,027	15,059
AAON Oklahoma
Disaggregation of Revenue [Line Items]
Net sales	897,919	663,845	463,845
AAON Oklahoma | Rooftop Units
Disaggregation of Revenue [Line Items]
Net sales	804,254	579,363	398,461
AAON Oklahoma | Condensing Units
Disaggregation of Revenue [Line Items]
Net sales	61	302	762
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	208	612	820
AAON Oklahoma | Cleanroom Systems
Disaggregation of Revenue [Line Items]
Net sales	0	0	0
AAON Oklahoma | Data Center Cooling Solutions
Disaggregation of Revenue [Line Items]
Net sales	0	0	0
AAON Oklahoma | Water-Source Heat Pumps
Disaggregation of Revenue [Line Items]
Net sales	3,128	11,529	10,831
AAON Oklahoma | Part Sales
Disaggregation of Revenue [Line Items]
Net sales	66,413	52,927	41,127
AAON Oklahoma | Other
Disaggregation of Revenue [Line Items]
Net sales	23,855	19,112	11,844
AAON Coil Products
Disaggregation of Revenue [Line Items]
Net sales	112,320	107,290	66,589
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	42,739	46,287	25,989
AAON Coil Products | Air Handlers
Disaggregation of Revenue [Line Items]
Net sales	44,040	47,442	26,589
AAON Coil Products | Outdoor Mechanical Rooms
Disaggregation of Revenue [Line Items]
Net sales	298	855	464
AAON Coil Products | Cleanroom Systems
Disaggregation of Revenue [Line Items]
Net sales	0	0	0
AAON Coil Products | Data Center Cooling Solutions
Disaggregation of Revenue [Line Items]
Net sales	8,247	0	0
AAON Coil Products | Water-Source Heat Pumps
Disaggregation of Revenue [Line Items]
Net sales	12,770	8,797	10,343
AAON Coil Products | Part Sales
Disaggregation of Revenue [Line Items]
Net sales	6	0	1
AAON Coil Products | Other
Disaggregation of Revenue [Line Items]
Net sales	4,220	3,909	3,203
BasX
Disaggregation of Revenue [Line Items]
Net sales	158,279	117,653	4,083
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	17,790	14,434	95
BasX | Outdoor Mechanical Rooms
Disaggregation of Revenue [Line Items]
Net sales	0	0	0
BasX | Cleanroom Systems
Disaggregation of Revenue [Line Items]
Net sales	45,191	47,020	2,288
BasX | Data Center Cooling Solutions
Disaggregation of Revenue [Line Items]
Net sales	93,052	53,522	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	1,277	671	0
BasX | Other
Disaggregation of Revenue [Line Items]
Net sales	$ 969	$ 2,006	$ 12