Segments (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) segment	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment			3
Net Sales	$ 283,957	$ 208,814	$ 549,910	$ 391,585
Gross Profit	94,018	47,376	171,172	93,440
Long-lived assets	360,229		360,229		$ 317,322
Goodwill	144,695		144,695		146,498
AAON Oklahoma
Segment Reporting Information [Line Items]
Net Sales	218,214	157,481	420,216	297,348
AAON Coil Products
Segment Reporting Information [Line Items]
Net Sales	30,081	26,754	63,493	48,689
BasX
Segment Reporting Information [Line Items]
Net Sales	35,662	24,579	66,201	45,548
Operating Segments | AAON Oklahoma
Segment Reporting Information [Line Items]
Gross Profit	75,379	31,737	137,229	65,573
Long-lived assets	244,762		244,762		213,731
Goodwill	3,229		3,229		3,229
Operating Segments | AAON Coil Products
Segment Reporting Information [Line Items]
Gross Profit	7,483	8,474	14,641	15,780
Long-lived assets	75,422		75,422		68,013
Goodwill	0		0		0
Operating Segments | BasX
Segment Reporting Information [Line Items]
Gross Profit	11,156	7,165	19,302	12,087
Long-lived assets	40,045		40,045		35,578
Goodwill	141,466		141,466		$ 143,269
Inter-segment | AAON Oklahoma
Segment Reporting Information [Line Items]
Net Sales	1,205	770	2,699	1,159
Inter-segment | AAON Coil Products
Segment Reporting Information [Line Items]
Net Sales	9,499	8,093	16,816	16,010
Inter-segment | BasX
Segment Reporting Information [Line Items]
Net Sales	1,130	0	1,500	0
Segment Reconciling Items | AAON Oklahoma
Segment Reporting Information [Line Items]
Net Sales	218,214	157,481	420,216	297,348
Segment Reconciling Items | AAON Coil Products
Segment Reporting Information [Line Items]
Net Sales	30,081	26,754	63,493	48,689
Segment Reconciling Items | BasX
Segment Reporting Information [Line Items]
Net Sales	35,662	24,579	66,201	45,548
Consolidation, Eliminations
Segment Reporting Information [Line Items]
Net Sales	$ (11,834)	$ (8,863)	$ (21,015)	$ (17,169)