Segments (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) numberOfEntities	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Segment Reporting [Abstract]
Number of Reportable Segments | numberOfEntities	3
Segment Reporting Information [Line Items]
Net sales	$ 888,788	$ 534,517	$ 514,551
Gross profit	237,572	137,830	155,849
Total long-lived assets	317,322	275,036
Total intangible assets and goodwill	146,498	155,848
AAON Oklahoma
Segment Reporting Information [Line Items]
Net sales	663,845	463,845	458,957
AAON Coil Products
Segment Reporting Information [Line Items]
Net sales	107,290	66,589	55,594
BasX
Segment Reporting Information [Line Items]
Net sales	117,653	4,083	0
Operating Segments | AAON Oklahoma
Segment Reporting Information [Line Items]
Gross profit	172,983	126,868	140,099
Total long-lived assets	213,731	183,840
Total intangible assets and goodwill	3,229	3,229
Operating Segments | AAON Coil Products
Segment Reporting Information [Line Items]
Gross profit	33,311	10,075	15,750
Total long-lived assets	68,013	62,534
Total intangible assets and goodwill	0	0
Operating Segments | BasX
Segment Reporting Information [Line Items]
Gross profit	31,278	887	0
Total long-lived assets	35,578	28,662
Total intangible assets and goodwill	143,269	152,619
External sales | AAON Oklahoma
Segment Reporting Information [Line Items]
Net sales	663,845	463,845	458,957
External sales | AAON Coil Products
Segment Reporting Information [Line Items]
Net sales	107,290	66,589	55,594
External sales | BasX
Segment Reporting Information [Line Items]
Net sales	117,653	4,083	0
Inter-segment sales | AAON Oklahoma
Segment Reporting Information [Line Items]
Net sales	3,251	2,504	2,683
Inter-segment sales | AAON Coil Products
Segment Reporting Information [Line Items]
Net sales	30,932	24,250	21,552
Inter-segment sales | BasX
Segment Reporting Information [Line Items]
Net sales	79	0	0
Eliminations
Segment Reporting Information [Line Items]
Net sales	$ (34,262)	$ (26,754)	$ (24,235)