Segments (Tables)

12 Months Ended

Dec. 31, 2021

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

The following table summarizes certain financial data related to our segments. Transactions between segments are recorded based on prices negotiated between the segments. The “Other and eliminations” category in the Total Assets table below includes assets at our non-operating entity AAON, Inc., Nevada corporation, that are not allocated to the reportable segments, as well as intercompany eliminations.

	Years Ended December 31,
	2021		2020		2019
	(in thousands)
Net Sales
AAON Oklahoma
External sales	$	463,845	$	458,957	$	418,669
Inter-segment sales	2,504		2,683		2,261
AAON Coil Products
External sales	66,589		55,594		50,664
Inter-segment sales	24,250		21,552		25,792
BasX1	4,083		—		—
Eliminations	(26,754)		(24,235)		(28,053)
Net sales	$	534,517	$	514,551	$	469,333
Gross Profit
AAON Oklahoma	$	126,868	$	140,099	$	107,228
AAON Coil Products	10,075		15,750		12,197
BasX1	887		—		—
Gross profit	$	137,830	$	155,849	$	119,425

	December 31,
	2021		2020
	(in thousands)
Long-lived assets
AAON Oklahoma	$	183,840	$	170,603
AAON Coil Products	62,534		54,308
BasX1	28,662		—
Total long-lived assets	$	275,036	$	224,911
Intangible assets and goodwill
AAON Oklahoma	$	3,229	$	3,267
AAON Coil Products	—		—
BasX1	152,619		—
Total intangible assets and goodwill	$	155,848	$	3,267
1 BasX was acquired on December 10, 2021. We have included the results of BasX's operations in our consolidated financial statements beginning December 11, 2021.