XML 16 R60.htm IDEA: XBRL DOCUMENT v3.20.1

Income Taxes - Additional Information (Details)	Mar. 31, 2020
Income Tax Disclosure [Abstract]
CARES Act, percent of first-year bonus depreciation	100.00%

X

- Definition

CARES Act, Percent of First-year Bonus Depreciation

+ References

No definition available.

+ Details

Name:	aaon_CARESActPercentOfFirstYearBonusDepreciation
Namespace Prefix:	aaon_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration