$AAON
AAON, INC. Stock $aaon

$aaon Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-Q Financial Statement

#000082414221000134 Filed on November 04, 2021

Income Statement

Concept	2021 Q4	2021 Q3	2020 Q3
Revenue	$136.3M	$138.6M	$134.8M
YoY Change	16.78%	2.82%	18.74%
Cost Of Revenue	$109.7M	$102.6M	$93.92M
YoY Change	32.53%	9.19%	9.1%
Gross Profit	$26.55M	$36.02M	$40.85M
YoY Change	-21.74%	-11.82%	49.03%
Gross Profit Margin	19.48%	25.99%	30.31%
Selling, General & Admin	$20.17M	$15.90M	$14.72M
YoY Change	43.01%	8.03%	18.93%
% of Gross Profit	75.96%	44.14%	36.03%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$7.811M	$7.608M	$6.700M
YoY Change	18.35%	13.55%	15.52%
% of Gross Profit	29.42%	21.12%	16.4%
Operating Expenses	$21.11M	$15.90M	$14.72M
YoY Change	44.59%	8.03%	18.93%
Operating Profit	$5.437M	$20.14M	$26.13M
YoY Change	-71.86%	-22.94%	73.86%
Interest Expense	-$121.0K	-$10.00K	$0.00
YoY Change
% of Operating Profit	-2.23%	-0.05%	0.0%
Other Income/Expense, Net	$24.00K	-$19.00K	$15.00K
YoY Change		-226.67%	-314.29%
Pretax Income	$5.346M	$20.11M	$26.16M
YoY Change	-79.2%	-23.12%	74.0%
Income Tax	-$840.0K	$4.527M	$5.696M
% Of Pretax Income	-15.71%	22.51%	21.78%
Net Earnings	$6.186M	$15.58M	$20.46M
YoY Change	-67.26%	-23.85%	43.18%
Net Earnings / Revenue	4.54%	11.24%	15.18%
Basic Earnings Per Share		$0.30	$0.39
Diluted Earnings Per Share	$114.7K	$0.29	$0.38
COMMON SHARES
Basic Shares Outstanding	52.43M shares	52.42M shares	52.26M shares
Diluted Shares Outstanding		53.55M shares	53.15M shares

Balance Sheet

Concept	2021 Q4	2021 Q3	2020 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$2.859M	$101.8M	$70.60M
YoY Change	-96.38%	44.21%	148.59%
Cash & Equivalents	$2.859M	$101.8M	$70.60M
Short-Term Investments
Other Short-Term Assets	$2.699M	$3.462M	$10.00M
YoY Change	-61.44%	-65.38%	525.0%
Inventory	$130.3M	$104.6M	$78.82M
Prepaid Expenses
Receivables	$70.78M	$58.76M	$62.20M
Other Receivables	$5.723M	$2.031M	$3.900M
Total Short-Term Assets	$218.1M	$270.6M	$225.5M
YoY Change	-0.99%	19.99%	32.44%
LONG-TERM ASSETS
Property, Plant & Equipment	$258.1M	$240.6M	$208.9M
YoY Change	15.55%	15.18%	18.86%
Goodwill	$85.73M	$3.200M	$3.229M
YoY Change	2554.91%	-0.9%	0.0%
Intangibles	$70.12M
YoY Change	184428.95%
Long-Term Investments
YoY Change
Other Assets	$1.216M
YoY Change	110.02%
Total Long-Term Assets	$432.1M	$245.8M	$214.4M
YoY Change	88.89%	14.65%	18.04%
TOTAL ASSETS
Total Short-Term Assets	$218.1M	$270.6M	$225.5M
Total Long-Term Assets	$432.1M	$245.8M	$214.4M
Total Assets	$650.2M	$516.4M	$439.9M
YoY Change	44.8%	17.39%	25.01%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$29.02M	$25.94M	$16.04M
YoY Change	133.15%	61.74%	44.25%
Accrued Expenses	$50.21M	$48.27M	$45.47M
YoY Change	7.77%	6.15%	6.32%
Deferred Revenue	$7.542M	$5.296M	$2.151M
YoY Change		146.21%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$86.77M	$74.21M	$61.51M
YoY Change	46.98%	20.65%	15.82%
LONG-TERM LIABILITIES
Long-Term Debt	$46.41M	$6.394M	$6.400M
YoY Change	625.09%	-0.09%
Other Long-Term Liabilities	$18.84M	$4.434M	$4.200M
YoY Change	326.02%	5.57%	13.51%
Total Long-Term Liabilities	$18.84M	$10.83M	$10.60M
YoY Change	326.02%	2.15%	186.49%
TOTAL LIABILITIES
Total Short-Term Liabilities	$86.77M	$74.21M	$61.51M
Total Long-Term Liabilities	$18.84M	$10.83M	$10.60M
Total Liabilities	$105.6M	$116.1M	$95.00M
YoY Change	66.43%	22.24%	30.85%
SHAREHOLDERS EQUITY
Retained Earnings	$384.3M	$388.1M	$336.5M
YoY Change	11.23%	15.33%	21.62%
Common Stock	$210.0K	$210.0K	$209.0K
YoY Change	0.48%	0.48%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$466.2M	$400.3M	$344.9M
YoY Change
Total Liabilities & Shareholders Equity	$650.2M	$516.4M	$439.9M
YoY Change	44.8%	17.39%	24.92%

Cashflow Statement

Concept	2021 Q4	2021 Q3	2020 Q3
OPERATING ACTIVITIES
Net Income	$6.186M	$15.58M	$20.46M
YoY Change	-67.26%	-23.85%	43.18%
Depreciation, Depletion And Amortization	$7.811M	$7.608M	$6.700M
YoY Change	18.35%	13.55%	15.52%
Cash From Operating Activities	-$13.52M	$11.79M	$34.20M
YoY Change	-142.52%	-65.52%	-1.44%
INVESTING ACTIVITIES
Capital Expenditures	-$12.73M	-$9.479M	-$15.50M
YoY Change	-32.31%	-38.85%	10.71%
Acquisitions
YoY Change
Other Investing Activities	-$103.4M	$29.00K	$0.00
YoY Change	-1715.89%		-100.0%
Cash From Investing Activities	-$116.1M	-$9.450M	-$15.50M
YoY Change	836.64%	-39.03%	55.0%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	30.68M	-11.99M	-11.00M
YoY Change	-295.39%	8.97%	10.0%
NET CHANGE
Cash From Operating Activities	-13.52M	11.79M	34.20M
Cash From Investing Activities	-116.1M	-9.450M	-15.50M
Cash From Financing Activities	30.68M	-11.99M	-11.00M
Net Change In Cash	-98.99M	-9.646M	7.700M
YoY Change	-2775.3%	-225.27%	-47.62%
FREE CASH FLOW
Cash From Operating Activities	-$13.52M	$11.79M	$34.20M
Capital Expenditures	-$12.73M	-$9.479M	-$15.50M
Free Cash Flow	-$794.0K	$21.27M	$49.70M
YoY Change	-101.57%	-57.2%	2.05%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53664997	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	52955049	shares
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	350865000	USD
	us-gaap	Net Income Loss NetIncomeLoss	52572000	USD
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	14573000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	8784000	USD
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	16551000	USD
	aaon	Dividends Including Cancellations And Forfeitures Common Stock DividendsIncludingCancellationsAndForfeituresCommonStock	9964000	USD
CY2021Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	400279000	USD
CY2021Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	383726000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	15581000	USD
CY2021Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	2725000	USD
CY2021Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2991000	USD
	dei	Entity Central Index Key EntityCentralIndexKey	0000824142
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Amendment Flag AmendmentFlag	false
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Requisite Service Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1	P1Y
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	0-18953
	dei	Entity Registrant Name EntityRegistrantName	AAON, INC.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	NV
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	87-0448736
	dei	Entity Address Address Line1 EntityAddressAddressLine1	2425 South Yukon Ave.,
	dei	Entity Address City Or Town EntityAddressCityOrTown	Tulsa,
	dei	Entity Address State Or Province EntityAddressStateOrProvince	OK
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	74107
	dei	City Area Code CityAreaCode	918
	dei	Local Phone Number LocalPhoneNumber	583-2266
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
	dei	Security12b Title Security12bTitle	Common Stock
	dei	Trading Symbol TradingSymbol	AAON
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2021Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	52428030	shares
CY2021Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	101813000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	79025000	USD
CY2021Q3	us-gaap	Restricted Cash RestrictedCash	660000	USD
CY2020Q4	us-gaap	Restricted Cash RestrictedCash	3263000	USD
CY2021Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	477000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	506000	USD
CY2021Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	58756000	USD
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	47387000	USD
CY2021Q3	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	1999000	USD
CY2020Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	4587000	USD
CY2021Q3	us-gaap	Notes And Loans Receivable Net Current NotesAndLoansReceivableNetCurrent	32000	USD
CY2020Q4	us-gaap	Notes And Loans Receivable Net Current NotesAndLoansReceivableNetCurrent	31000	USD
CY2021Q3	us-gaap	Inventory Net InventoryNet	104553000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	82219000	USD
CY2021Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	2802000	USD
CY2020Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	3739000	USD
CY2021Q3	us-gaap	Assets Current AssetsCurrent	270615000	USD
CY2020Q4	us-gaap	Assets Current AssetsCurrent	220251000	USD
CY2021Q3	us-gaap	Land Land	5016000	USD
CY2020Q4	us-gaap	Land Land	4072000	USD
CY2021Q3	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	131327000	USD
CY2020Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	122171000	USD
CY2021Q3	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	299226000	USD
CY2020Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	281266000	USD
CY2021Q3	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	21679000	USD
CY2020Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	18956000	USD
CY2021Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	457248000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	426465000	USD
CY2021Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	216667000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	203125000	USD
CY2021Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	240581000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	223340000	USD
CY2021Q3	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	3229000	USD
CY2020Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	3267000	USD
CY2021Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	1421000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	1571000	USD
CY2021Q3	us-gaap	Notes And Loans Receivable Net Noncurrent NotesAndLoansReceivableNetNoncurrent	557000	USD
CY2020Q4	us-gaap	Notes And Loans Receivable Net Noncurrent NotesAndLoansReceivableNetNoncurrent	579000	USD
CY2021Q3	us-gaap	Assets Assets	516403000	USD
CY2020Q4	us-gaap	Assets Assets	449008000	USD
CY2021Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	25940000	USD
CY2020Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	12447000	USD
CY2021Q3	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	48266000	USD
CY2020Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	46586000	USD
CY2021Q3	us-gaap	Liabilities Current LiabilitiesCurrent	74206000	USD
CY2020Q4	us-gaap	Liabilities Current LiabilitiesCurrent	59033000	USD
CY2021Q3	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	31090000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	28324000	USD
CY2021Q3	us-gaap	Other Accrued Liabilities Noncurrent OtherAccruedLiabilitiesNoncurrent	4434000	USD
CY2020Q4	us-gaap	Other Accrued Liabilities Noncurrent OtherAccruedLiabilitiesNoncurrent	4423000	USD
CY2021Q3	us-gaap	Long Term Line Of Credit LongTermLineOfCredit	6394000	USD
CY2020Q4	us-gaap	Long Term Line Of Credit LongTermLineOfCredit	6363000	USD
CY2021Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2021Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2021Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2020Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2021Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2021Q3	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2020Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.004
	aaon	Extended Product Warranties Maximum Length ExtendedProductWarrantiesMaximumLength	P10Y
CY2021Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.004
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2021Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2021Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	52420486	shares
CY2021Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	52420486	shares
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	52224767	shares
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	52224767	shares
CY2021Q3	us-gaap	Common Stock Value CommonStockValue	210000	USD
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	209000	USD
CY2021Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	11966000	USD
CY2020Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	5161000	USD
CY2021Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	388103000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	345495000	USD
CY2021Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	400279000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	350865000	USD
CY2021Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	516403000	USD
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	449008000	USD
CY2021Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	138571000	USD
CY2020Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	134772000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	398235000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	397851000	USD
CY2021Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	102552000	USD
CY2020Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	93924000	USD
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	286952000	USD
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	275925000	USD
CY2021Q3	us-gaap	Gross Profit GrossProfit	36019000	USD
CY2020Q3	us-gaap	Gross Profit GrossProfit	40848000	USD
	us-gaap	Gross Profit GrossProfit	111283000	USD
	us-gaap	Gross Profit GrossProfit	121926000	USD
CY2021Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	15897000	USD
CY2020Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	14716000	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	47488000	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	45869000	USD
CY2021Q3	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	15000	USD
CY2020Q3	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-1000	USD
	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	15000	USD
	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	61000	USD
CY2021Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	20137000	USD
CY2020Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	26131000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	63810000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	76118000	USD
CY2021Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-10000	USD
CY2020Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	10000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-11000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	90000	USD
CY2021Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-19000	USD
CY2020Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	15000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	37000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	20000	USD
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	20108000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	26156000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	63836000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	76228000	USD
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4527000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5696000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11264000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	16111000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	15581000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	20460000	USD
	us-gaap	Net Income Loss NetIncomeLoss	52572000	USD
	us-gaap	Net Income Loss NetIncomeLoss	60117000	USD
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.30
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.39
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.00
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.15
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.29
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.38
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.98
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.14
CY2021Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0
CY2020Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.19
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.19
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	52420711	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	52260551	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	52392300	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	52174705	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53546513	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53151295	shares
CY2021Q3	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	4748000	USD
CY2021Q3	aaon	Dividends Including Cancellations And Forfeitures Common Stock DividendsIncludingCancellationsAndForfeituresCommonStock	-4000	USD
CY2021Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	400279000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	290140000	USD
	us-gaap	Net Income Loss NetIncomeLoss	60117000	USD
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	18519000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	8546000	USD
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	22520000	USD
	aaon	Dividends Including Cancellations And Forfeitures Common Stock DividendsIncludingCancellationsAndForfeituresCommonStock	9910000	USD
CY2020Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	344892000	USD
CY2020Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	322695000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	20460000	USD
CY2020Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	4346000	USD
CY2020Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2852000	USD
CY2020Q3	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	5474000	USD
CY2020Q3	aaon	Dividends Including Cancellations And Forfeitures Common Stock DividendsIncludingCancellationsAndForfeituresCommonStock	-13000	USD
	aaon	Interest Income Note Receivable InterestIncomeNoteReceivable	19000	USD
CY2020Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	344892000	USD
	us-gaap	Net Income Loss NetIncomeLoss	60117000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	22532000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	18971000	USD
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	31000	USD
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	31000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	0	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	193000	USD
	us-gaap	Inventory Write Down InventoryWriteDown	378000	USD
	us-gaap	Inventory Write Down InventoryWriteDown	1776000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	8784000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	8546000	USD
	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	15000	USD
	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	61000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	1000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	-18000	USD
	aaon	Interest Income Note Receivable InterestIncomeNoteReceivable	19000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	2766000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	7676000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	11369000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-5011000	USD
	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	2588000	USD
	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	-3142000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	22712000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	6994000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-937000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	598000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	16390000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	3654000	USD
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	316000	USD
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	1128000	USD
	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	1525000	USD
	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	688000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	74703000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	96995000	USD
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	42636000	USD
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	48955000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	19000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	61000	USD
	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	41000	USD
	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	38000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-42576000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-48856000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	14573000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	18519000	USD
	us-gaap	Payments For Repurchase Of Equity PaymentsForRepurchaseOfEquity	15014000	USD
	us-gaap	Payments For Repurchase Of Equity PaymentsForRepurchaseOfEquity	21390000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1537000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1130000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	9964000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	9910000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-11942000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-13911000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	20185000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	34228000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	82288000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	44373000	USD
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	102473000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	78601000	USD
CY2021Q3	aaon	Number Of Variable Interest Entities With Directed Activities NumberOfVariableInterestEntitiesWithDirectedActivities	2	numberOfVIEs
	us-gaap	Use Of Estimates UseOfEstimates	<div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Use of Estimates</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Because these estimates and assumptions require significant judgment, actual results could differ from those estimates and could have a significant impact on our results of operations, financial position and cash flows. We reevaluate our estimates and assumptions as needed, but at a minimum on a quarterly basis. The most significant estimates include, but are not limited to, inventory reserves, warranty accrual, worker's compensation accrual, medical insurance accrual, income taxes and share-based compensation. Actual results could differ materially from those estimates.</span></div>
CY2021Q3	aaon	Percent Of Increase In Starting Wages For Production Workforce PercentOfIncreaseInStartingWagesForProductionWorkforce	0.070
	aaon	Provision Recoveries For Expected Credit Losses Net Of Adjustments ProvisionRecoveriesForExpectedCreditLossesNetOfAdjustments	0	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	38000	USD
CY2020Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	58000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	38000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	175000	USD
CY2021Q3	us-gaap	Goodwill Goodwill	3200000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	3200000	USD
CY2020Q3	aaon	Provision Recoveries For Expected Credit Losses Net Of Adjustments ProvisionRecoveriesForExpectedCreditLossesNetOfAdjustments	117000	USD
CY2021Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	138571000	USD
CY2020Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	134772000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	398235000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	397851000	USD
CY2021Q3	aaon	Revenuefrom Contractwith Customer Including Assessed Tax Numberof Units RevenuefromContractwithCustomerIncludingAssessedTaxNumberofUnits	6530000	unit
CY2020Q3	aaon	Revenuefrom Contractwith Customer Including Assessed Tax Numberof Units RevenuefromContractwithCustomerIncludingAssessedTaxNumberofUnits	7352000	unit
	aaon	Revenuefrom Contractwith Customer Including Assessed Tax Numberof Units RevenuefromContractwithCustomerIncludingAssessedTaxNumberofUnits	20034000	unit
	aaon	Revenuefrom Contractwith Customer Including Assessed Tax Numberof Units RevenuefromContractwithCustomerIncludingAssessedTaxNumberofUnits	20302000	unit
CY2021Q3	us-gaap	Sales Commissions And Fees SalesCommissionsAndFees	9500000	USD
CY2020Q3	us-gaap	Sales Commissions And Fees SalesCommissionsAndFees	11500000	USD
	us-gaap	Sales Commissions And Fees SalesCommissionsAndFees	34500000	USD
	us-gaap	Sales Commissions And Fees SalesCommissionsAndFees	39000000	USD
	aaon	Extended Product Warranties Minimum Length ExtendedProductWarrantiesMinimumLength	P6M
CY2021Q3	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	59233000	USD
CY2020Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	47893000	USD
CY2021Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	477000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	506000	USD
CY2021Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	58756000	USD
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	47387000	USD
CY2021Q2	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	518000	USD
CY2020Q2	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	429000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	506000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	353000	USD
CY2021Q3	aaon	Provision Recoveries For Expected Credit Losses Net Of Adjustments ProvisionRecoveriesForExpectedCreditLossesNetOfAdjustments	-12000	USD
	aaon	Provision Recoveries For Expected Credit Losses Net Of Adjustments ProvisionRecoveriesForExpectedCreditLossesNetOfAdjustments	193000	USD
CY2021Q3	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	29000	USD
CY2020Q3	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	0	USD
	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	29000	USD
	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	0	USD
CY2021Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	477000	USD
CY2020Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	546000	USD
CY2021Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	477000	USD
CY2020Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	546000	USD
CY2021Q3	us-gaap	Inventory Raw Materials InventoryRawMaterials	97167000	USD
CY2020Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	76238000	USD
	aaon	Product Warranty Accrual Maximum Length ProductWarrantyAccrualMaximumLength	P25Y
CY2021Q3	us-gaap	Inventory Work In Process InventoryWorkInProcess	4749000	USD
CY2020Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	2088000	USD
CY2021Q3	us-gaap	Inventory Finished Goods InventoryFinishedGoods	4929000	USD
CY2020Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	7154000	USD
CY2021Q3	us-gaap	Inventory Gross InventoryGross	106845000	USD
CY2020Q4	us-gaap	Inventory Gross InventoryGross	85480000	USD
CY2021Q3	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	2292000	USD
CY2020Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	3261000	USD
CY2021Q3	us-gaap	Inventory Net InventoryNet	104553000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	82219000	USD
CY2021Q2	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	2726000	USD
CY2020Q2	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	2373000	USD
CY2020Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	3261000	USD
CY2019Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	2644000	USD
CY2021Q3	aaon	Inventory Valuation Reserves Provision InventoryValuationReservesProvision	86000	USD
CY2020Q3	aaon	Inventory Valuation Reserves Provision InventoryValuationReservesProvision	1969000	USD
	aaon	Inventory Valuation Reserves Provision InventoryValuationReservesProvision	378000	USD
	aaon	Inventory Valuation Reserves Provision InventoryValuationReservesProvision	1776000	USD
CY2021Q3	aaon	Inventory Valuation Reserves Write Offs InventoryValuationReservesWriteOffs	520000	USD
CY2020Q3	aaon	Inventory Valuation Reserves Write Offs InventoryValuationReservesWriteOffs	230000	USD
	aaon	Inventory Valuation Reserves Write Offs InventoryValuationReservesWriteOffs	1347000	USD
	aaon	Inventory Valuation Reserves Write Offs InventoryValuationReservesWriteOffs	308000	USD
CY2021Q3	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	2292000	USD
CY2020Q3	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	4112000	USD
CY2021Q3	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	2292000	USD
CY2020Q3	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	4112000	USD
CY2021Q3	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	3167000	USD
CY2020Q3	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1841000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	5909000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	11576000	USD
CY2021Q3	aaon	Changein Capital Expenditures Incurred But Not Yet Paid ChangeinCapitalExpendituresIncurredButNotYetPaid	-1052000	USD
CY2020Q3	aaon	Changein Capital Expenditures Incurred But Not Yet Paid ChangeinCapitalExpendituresIncurredButNotYetPaid	-4421000	USD
	aaon	Changein Capital Expenditures Incurred But Not Yet Paid ChangeinCapitalExpendituresIncurredButNotYetPaid	-2897000	USD
	aaon	Changein Capital Expenditures Incurred But Not Yet Paid ChangeinCapitalExpendituresIncurredButNotYetPaid	625000	USD
	aaon	Product Warranty Accrual Minimum Length ProductWarrantyAccrualMinimumLength	P1Y
CY2021Q2	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	14008000	USD
CY2020Q2	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	13160000	USD
CY2020Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	13522000	USD
CY2019Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	12652000	USD
CY2021Q3	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	1825000	USD
CY2020Q3	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	1687000	USD
	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	4834000	USD
	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	4481000	USD
CY2021Q3	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	1272000	USD
CY2020Q3	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	2054000	USD
	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	4767000	USD
	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	5356000	USD
CY2021Q3	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	13455000	USD
CY2020Q3	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	13527000	USD
CY2021Q3	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	13455000	USD
CY2020Q3	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	13527000	USD
CY2021Q3	us-gaap	Product Warranty Expense ProductWarrantyExpense	1272000	USD
CY2020Q3	us-gaap	Product Warranty Expense ProductWarrantyExpense	2054000	USD
	us-gaap	Product Warranty Expense ProductWarrantyExpense	4767000	USD
	us-gaap	Product Warranty Expense ProductWarrantyExpense	5356000	USD
CY2021Q3	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	13455000	USD
CY2020Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	13522000	USD
CY2021Q3	us-gaap	Accrued Sales Commission Current AccruedSalesCommissionCurrent	8006000	USD
CY2020Q4	us-gaap	Accrued Sales Commission Current AccruedSalesCommissionCurrent	8296000	USD
CY2021Q3	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	8770000	USD
CY2020Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	8155000	USD
CY2021Q3	aaon	Accrued Profit Sharing Current AccruedProfitSharingCurrent	2360000	USD
CY2020Q4	aaon	Accrued Profit Sharing Current AccruedProfitSharingCurrent	2902000	USD
CY2021Q3	us-gaap	Workers Compensation Liability Current WorkersCompensationLiabilityCurrent	303000	USD
CY2020Q4	us-gaap	Workers Compensation Liability Current WorkersCompensationLiabilityCurrent	594000	USD
CY2021Q3	us-gaap	Self Insurance Reserve Current SelfInsuranceReserveCurrent	1574000	USD
CY2020Q4	us-gaap	Self Insurance Reserve Current SelfInsuranceReserveCurrent	1546000	USD
CY2021Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	5296000	USD
CY2020Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	5067000	USD
CY2021Q3	aaon	Donations Current DonationsCurrent	370000	USD
CY2020Q4	aaon	Donations Current DonationsCurrent	570000	USD
CY2021Q3	us-gaap	Accrued Employee Benefits Current AccruedEmployeeBenefitsCurrent	3747000	USD
CY2020Q4	us-gaap	Accrued Employee Benefits Current AccruedEmployeeBenefitsCurrent	3321000	USD
CY2021Q3	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	4385000	USD
CY2020Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	2613000	USD
CY2021Q3	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	48266000	USD
CY2020Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	46586000	USD
CY2021Q3	aaon	Debt Instrument Leverage Coverage Ratio DebtInstrumentLeverageCoverageRatio	0.02
CY2021Q3	aaon	Debt Instrument Maximum Leverage Coverage Ratio Required For Compliance DebtInstrumentMaximumLeverageCoverageRatioRequiredForCompliance	2
CY2021Q3	aaon	Ratio Of Total Consolidated Liability To Net Worth RatioOfTotalConsolidatedLiabilityToNetWorth	0.3
CY2021Q3	aaon	Maximum Ratio Of Total Consolidated Liability To Net Worth Required For Compliance MaximumRatioOfTotalConsolidatedLiabilityToNetWorthRequiredForCompliance	2
CY2021Q3	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	4508000	USD
CY2020Q3	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	3081000	USD
	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	8498000	USD
	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	8435000	USD
CY2021Q3	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	19000	USD
CY2020Q3	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	2615000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	2766000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	7676000	USD
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4527000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5696000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11264000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	16111000	USD
CY2021Q3	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2020Q3	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2021Q3	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.034
CY2020Q3	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.023
	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.030
	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.040
CY2021Q3	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.022
CY2020Q3	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.023
	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.060
	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.033
CY2021Q3	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.006
CY2020Q3	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.005
	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0
	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.002
CY2021Q3	us-gaap	Effective Income Tax Rate Reconciliation Other Reconciling Items Percent EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent	-0.003
CY2020Q3	us-gaap	Effective Income Tax Rate Reconciliation Other Reconciling Items Percent EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent	0.003
	us-gaap	Effective Income Tax Rate Reconciliation Other Reconciling Items Percent EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent	-0.004
	us-gaap	Effective Income Tax Rate Reconciliation Other Reconciling Items Percent EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent	-0.008
CY2021Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.225
CY2020Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.218
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.176
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.211
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	3800000	USD
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	2500000	USD
	aaon	Share Based Payment Arrangement Expense Increase Decrease In Tax Benefit Percentage ShareBasedPaymentArrangementExpenseIncreaseDecreaseInTaxBenefitPercentage	0.54
	aaon	Expected Effective Income Tax Rate Continuing Operations ExpectedEffectiveIncomeTaxRateContinuingOperations	0.25
CY2021Q2	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	4700000	USD
CY2016Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	8900000	shares
CY2021Q3	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	19500000	USD
	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P2Y6M
CY2021Q3	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions	1149047	shares
	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2	P5Y11M19D
CY2021Q3	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	36.12
CY2021Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	33579000	USD
CY2020Q3	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions	738709	shares
	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2	P6Y3M10D
CY2020Q3	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	31.90
CY2020Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	20940000	USD
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	3752945	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	39.00
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	360980	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	72.93
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	412284	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	35.35
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	140077	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	48.51
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	3561564	shares
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	42.49
CY2021Q3	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions	1149047	shares
CY2021Q3	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	36.12
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	15100000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	12100000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	14600000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	18500000	USD
CY2021Q3	aaon	Share Based Compensation Arrangement By Share Based Payment Award Options Awarded In Period Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAwardedInPeriodFairValue	152000	USD
CY2020Q3	aaon	Share Based Compensation Arrangement By Share Based Payment Award Options Awarded In Period Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAwardedInPeriodFairValue	258000	USD
	aaon	Share Based Compensation Arrangement By Share Based Payment Award Options Awarded In Period Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAwardedInPeriodFairValue	6870000	USD
	aaon	Share Based Compensation Arrangement By Share Based Payment Award Options Awarded In Period Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAwardedInPeriodFairValue	12332000	USD
CY2021Q3	aaon	Performance Awards PerformanceAwards	32000	USD
CY2020Q3	aaon	Performance Awards PerformanceAwards	0	USD
	aaon	Performance Awards PerformanceAwards	1622000	USD
	aaon	Performance Awards PerformanceAwards	0	USD
CY2021Q3	aaon	Share Based Compensation Arrangement By Share Based Payment Award Restriced Stock Awarded In Period Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardRestricedStockAwardedInPeriodFairValue	80000	USD
CY2020Q3	aaon	Share Based Compensation Arrangement By Share Based Payment Award Restriced Stock Awarded In Period Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardRestricedStockAwardedInPeriodFairValue	0	USD
	aaon	Share Based Compensation Arrangement By Share Based Payment Award Restriced Stock Awarded In Period Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardRestricedStockAwardedInPeriodFairValue	2253000	USD
	aaon	Share Based Compensation Arrangement By Share Based Payment Award Restriced Stock Awarded In Period Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardRestricedStockAwardedInPeriodFairValue	3316000	USD
CY2021Q3	aaon	Share Based Compensation Arrangement By Share Based Payment Award Total Awarded In Period Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardTotalAwardedInPeriodFairValue	264000	USD
CY2020Q3	aaon	Share Based Compensation Arrangement By Share Based Payment Award Total Awarded In Period Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardTotalAwardedInPeriodFairValue	258000	USD
	aaon	Share Based Compensation Arrangement By Share Based Payment Award Total Awarded In Period Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardTotalAwardedInPeriodFairValue	10745000	USD
	aaon	Share Based Compensation Arrangement By Share Based Payment Award Total Awarded In Period Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardTotalAwardedInPeriodFairValue	15648000	USD
CY2021Q3	aaon	Allocated Share Based Compensation Expense Stock Options AllocatedShareBasedCompensationExpenseStockOptions	2167000	USD
CY2020Q3	aaon	Allocated Share Based Compensation Expense Stock Options AllocatedShareBasedCompensationExpenseStockOptions	2208000	USD
	aaon	Allocated Share Based Compensation Expense Stock Options AllocatedShareBasedCompensationExpenseStockOptions	6594000	USD
	aaon	Allocated Share Based Compensation Expense Stock Options AllocatedShareBasedCompensationExpenseStockOptions	6136000	USD
CY2021Q3	aaon	Share Based Payment Arrangement Expense Performance Awards ShareBasedPaymentArrangementExpensePerformanceAwards	166000	USD
CY2020Q3	aaon	Share Based Payment Arrangement Expense Performance Awards ShareBasedPaymentArrangementExpensePerformanceAwards	0	USD
	aaon	Share Based Payment Arrangement Expense Performance Awards ShareBasedPaymentArrangementExpensePerformanceAwards	355000	USD
	aaon	Share Based Payment Arrangement Expense Performance Awards ShareBasedPaymentArrangementExpensePerformanceAwards	0	USD
CY2021Q3	aaon	Allocated Share Based Compensation Expense Restricted Stock AllocatedShareBasedCompensationExpenseRestrictedStock	658000	USD
CY2020Q3	aaon	Allocated Share Based Compensation Expense Restricted Stock AllocatedShareBasedCompensationExpenseRestrictedStock	644000	USD
	aaon	Allocated Share Based Compensation Expense Restricted Stock AllocatedShareBasedCompensationExpenseRestrictedStock	1835000	USD
	aaon	Allocated Share Based Compensation Expense Restricted Stock AllocatedShareBasedCompensationExpenseRestrictedStock	2410000	USD
CY2021Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2991000	USD
CY2020Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2852000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	8784000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	8546000	USD
CY2021Q3	aaon	Employee Service Share Based Compensation Tax Benefit From Compensation Expense Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpenseStockOptions	440000	USD
CY2020Q3	aaon	Employee Service Share Based Compensation Tax Benefit From Compensation Expense Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpenseStockOptions	579000	USD
	aaon	Employee Service Share Based Compensation Tax Benefit From Compensation Expense Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpenseStockOptions	3010000	USD
	aaon	Employee Service Share Based Compensation Tax Benefit From Compensation Expense Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpenseStockOptions	1990000	USD
CY2021Q3	aaon	Employee Service Share Based Compensation Tax Expense Benefit From Compensation Expense Restricted Stock EmployeeServiceShareBasedCompensationTaxExpenseBenefitFromCompensationExpenseRestrictedStock	1000	USD
CY2020Q3	aaon	Employee Service Share Based Compensation Tax Expense Benefit From Compensation Expense Restricted Stock EmployeeServiceShareBasedCompensationTaxExpenseBenefitFromCompensationExpenseRestrictedStock	9000	USD
	aaon	Employee Service Share Based Compensation Tax Expense Benefit From Compensation Expense Restricted Stock EmployeeServiceShareBasedCompensationTaxExpenseBenefitFromCompensationExpenseRestrictedStock	820000	USD
	aaon	Employee Service Share Based Compensation Tax Expense Benefit From Compensation Expense Restricted Stock EmployeeServiceShareBasedCompensationTaxExpenseBenefitFromCompensationExpenseRestrictedStock	503000	USD
CY2021Q3	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	441000	USD
CY2020Q3	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	588000	USD
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	3830000	USD
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	2493000	USD
	aaon	Definedcontributionemployeeautomaticcontributionpercentag Definedcontributionemployeeautomaticcontributionpercentag	0.06
	aaon	Definedcontributionemployeeautomaticcontributionpercentag Definedcontributionemployeeautomaticcontributionpercentag	0.06
	aaon	Definedcontributionemployeeautomaticcontributionpercentag Definedcontributionemployeeautomaticcontributionpercentag	0.06
	us-gaap	Defined Contribution Plan Administrative Expenses DefinedContributionPlanAdministrativeExpenses	0	USD
	us-gaap	Defined Contribution Plan Administrative Expenses DefinedContributionPlanAdministrativeExpenses	0	USD
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	52420711	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	52260551	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	52174705	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P6Y
CY2021Q3	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	2526000	USD
CY2020Q3	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	2242000	USD
	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	6924000	USD
	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	6791000	USD
	aaon	Profit Sharing Percentof Pretax Profit Paidto Eligible Employeeson Quarterly Basis ProfitSharingPercentofPretaxProfitPaidtoEligibleEmployeesonQuarterlyBasis	0.10
CY2021Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	2358000	USD
CY2020Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	3000000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	7409000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	8691000	USD
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	52392300	shares
CY2021Q3	aaon	Defined Benefit Plan Medical Claim Payments DefinedBenefitPlanMedicalClaimPayments	2342000	USD
CY2020Q3	aaon	Defined Benefit Plan Medical Claim Payments DefinedBenefitPlanMedicalClaimPayments	2985000	USD
	aaon	Defined Benefit Plan Medical Claim Payments DefinedBenefitPlanMedicalClaimPayments	6188000	USD
	aaon	Defined Benefit Plan Medical Claim Payments DefinedBenefitPlanMedicalClaimPayments	6843000	USD
CY2021Q3	aaon	Defined Benefit Plan Heath Saving Account Payments DefinedBenefitPlanHeathSavingAccountPayments	888000	USD
CY2020Q3	aaon	Defined Benefit Plan Heath Saving Account Payments DefinedBenefitPlanHeathSavingAccountPayments	890000	USD
	aaon	Defined Benefit Plan Heath Saving Account Payments DefinedBenefitPlanHeathSavingAccountPayments	2621000	USD
	aaon	Defined Benefit Plan Heath Saving Account Payments DefinedBenefitPlanHeathSavingAccountPayments	2663000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	15581000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	20460000	USD
	us-gaap	Net Income Loss NetIncomeLoss	60117000	USD
CY2021Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1125802	shares
CY2020Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	890744	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1272697	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	780344	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53546513	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53151295	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53664997	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	52955049	shares
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.30
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.39
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.00
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.15
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.29
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.38
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.98
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.14
CY2021Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	375428	shares
CY2020Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	118832	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	291236	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	473295	shares
CY2018Q2	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	15000000	USD
CY2019Q1	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	20000000	USD
CY2020Q1	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	20000000	USD
	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	242115	shares
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	16551000	USD
	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	68.36
	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	429456	shares
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	22520000	USD
	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	52.44
	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	14359231	shares
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	257095000	USD
	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	17.90
CY2021Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	138571000	USD
CY2020Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	134772000	USD
CY2021Q3	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	1560000	USD
CY2020Q3	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	662000	USD
	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	2372000	USD
	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	2550000	USD
CY2021Q3	us-gaap	Related Party Transaction Amounts Of Transaction RelatedPartyTransactionAmountsOfTransaction	23000	USD
CY2020Q3	us-gaap	Related Party Transaction Amounts Of Transaction RelatedPartyTransactionAmountsOfTransaction	110000	USD
	us-gaap	Related Party Transaction Amounts Of Transaction RelatedPartyTransactionAmountsOfTransaction	153000	USD
	us-gaap	Related Party Transaction Amounts Of Transaction RelatedPartyTransactionAmountsOfTransaction	207000	USD
CY2021Q3	us-gaap	Due From Related Parties DueFromRelatedParties	544000	USD
CY2020Q4	us-gaap	Due From Related Parties DueFromRelatedParties	342000	USD
CY2021Q3	us-gaap	Due To Related Parties Current And Noncurrent DueToRelatedPartiesCurrentAndNoncurrent	0	USD
CY2020Q4	us-gaap	Due To Related Parties Current And Noncurrent DueToRelatedPartiesCurrentAndNoncurrent	0	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	398235000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	397851000	USD
CY2021Q3	us-gaap	Gross Profit GrossProfit	36019000	USD
CY2020Q3	us-gaap	Gross Profit GrossProfit	40848000	USD
	us-gaap	Gross Profit GrossProfit	111283000	USD
	us-gaap	Gross Profit GrossProfit	121926000	USD

Files In Submission

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$AAON
AAON, INC. Stock $aaon

2021 Q4 Form 10-Q Financial Statement

#000082414221000134 Filed on November 04, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AAON AAON, INC. Stock $aaon

2021 Q4 Form 10-Q Financial Statement

#000082414221000134 Filed on November 04, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AAON
AAON, INC. Stock $aaon