$KBH
KB HOME Stock $kbh

$kbh Overview Financials Valuation SEC Filings Company Website

2022 Q4 Form 10-K Financial Statement

#000079526623000009 Filed on January 20, 2023

Income Statement

Concept	2022 Q4	2022
Revenue	$1.940B	$6.904B
YoY Change	15.81%	20.59%
Cost Of Revenue	$1.499B	$5.213B
YoY Change	16.04%	16.65%
Gross Profit	$441.1M	$1.690B
YoY Change	15.03%	34.63%
Gross Profit Margin	22.74%	24.49%
Selling, General & Admin	$156.9M	$635.4M
YoY Change	-4.53%	9.66%
% of Gross Profit	35.56%	37.59%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$8.458M	$32.32M
YoY Change	15.17%	12.85%
% of Gross Profit	1.92%	1.91%
Operating Expenses	$156.9M	$635.4M
YoY Change	-4.53%	9.66%
Operating Profit	$284.2M	$1.055B
YoY Change	29.69%	56.03%
Interest Expense	$675.0K	$20.64M
YoY Change	-85.87%	-14.84%
% of Operating Profit	0.24%	1.96%
Other Income/Expense, Net
YoY Change
Pretax Income	$284.9M	$1.072B
YoY Change	27.23%	54.18%
Income Tax	$68.50M	$255.4M
% Of Pretax Income	24.04%	23.82%
Net Earnings	$215.1M	$816.7M
YoY Change	23.46%	44.61%
Net Earnings / Revenue	11.09%	11.83%
Basic Earnings Per Share		$9.35
Diluted Earnings Per Share	$2.468M	$9.09
COMMON SHARES
Basic Shares Outstanding	83.99M shares	86.86M shares
Diluted Shares Outstanding		89.35M shares

Balance Sheet

Concept	2022 Q4	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments	$330.2M	$330.2M
YoY Change	13.03%	13.03%
Cash & Equivalents	$330.2M	$330.2M
Short-Term Investments
Other Short-Term Assets	$15.65M	$15.65M
YoY Change	146.61%	146.61%
Inventory	$5.543B	$5.543B
Prepaid Expenses
Receivables	$176.4M	$176.4M
Other Receivables	$146.4M	$146.4M
Total Short-Term Assets	$6.212B	$6.212B
YoY Change	14.92%	14.92%
LONG-TERM ASSETS
Property, Plant & Equipment	$89.23M	$114.7M
YoY Change	16.93%	10.48%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$73.46M	$73.46M
YoY Change	40.18%	40.18%
Other Assets	$160.9M	$160.9M
YoY Change	-9.31%	-9.31%
Total Long-Term Assets	$440.1M	$440.1M
YoY Change	2.26%	2.26%
TOTAL ASSETS
Total Short-Term Assets	$6.212B	$6.212B
Total Long-Term Assets	$440.1M	$440.1M
Total Assets	$6.652B	$6.652B
YoY Change	13.98%	13.98%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$412.5M	$412.5M
YoY Change	10.95%	10.95%
Accrued Expenses	$612.6M	$612.6M
YoY Change	-3.58%	-3.58%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$1.106B	$1.106B
YoY Change	2.54%	55.91%
LONG-TERM LIABILITIES
Long-Term Debt	$1.839B	$1.839B
YoY Change	9.11%	9.11%
Other Long-Term Liabilities	$43.93M	$43.93M
YoY Change	-13.02%	-13.02%
Total Long-Term Liabilities	$1.882B	$1.882B
YoY Change	8.46%	8.46%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.106B	$1.106B
Total Long-Term Liabilities	$1.882B	$1.882B
Total Liabilities	$2.991B	$2.991B
YoY Change	6.2%	6.2%
SHAREHOLDERS EQUITY
Retained Earnings	$3.144B
YoY Change	32.12%
Common Stock	$937.0M
YoY Change	-1.3%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$3.661B	$3.661B
YoY Change
Total Liabilities & Shareholders Equity	$6.652B	$6.652B
YoY Change	13.98%	13.98%

Cashflow Statement

Concept	2022 Q4	2022
OPERATING ACTIVITIES
Net Income	$215.1M	$816.7M
YoY Change	23.46%	44.61%
Depreciation, Depletion And Amortization	$8.458M	$32.32M
YoY Change	15.17%	12.85%
Cash From Operating Activities	$407.4M	$183.4M
YoY Change	185.05%	-591.79%
INVESTING ACTIVITIES
Capital Expenditures	-$11.47M	$45.23M
YoY Change	2.58%	14.81%
Acquisitions
YoY Change
Other Investing Activities	-$6.185M	-$26.54M
YoY Change	1657.1%	-2118.17%
Cash From Investing Activities	-$17.65M	-$71.77M
YoY Change	53.08%	88.46%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$150.0M
YoY Change		-20.29%
Debt Paid & Issued, Net		$703.6M
YoY Change		54.61%
Cash From Financing Activities	-256.8M	-$73.58M
YoY Change	34.74%	-76.64%
NET CHANGE
Cash From Operating Activities	407.4M	$183.4M
Cash From Investing Activities	-17.65M	-$71.77M
Cash From Financing Activities	-256.8M	-$73.58M
Net Change In Cash	132.9M	$38.06M
YoY Change	-324.53%	-109.75%
FREE CASH FLOW
Cash From Operating Activities	$407.4M	$183.4M
Capital Expenditures	-$11.47M	$45.23M
Free Cash Flow	$418.9M	$138.2M
YoY Change	171.81%	-280.17%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2022	dei	Entity Central Index Key EntityCentralIndexKey	0000795266
CY2022	dei	Amendment Flag AmendmentFlag	false
CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2022	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2022	kbh	Warranty For Other Components Of Home WarrantyForOtherComponentsOfHome	P1Y
CY2022	kbh	Business Days After Commencement Of Tender Or Exchange Offer During Which Rights To Be Exercised BusinessDaysAfterCommencementOfTenderOrExchangeOfferDuringWhichRightsToBeExercised	P10D
CY2019	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	http://fasb.org/us-gaap/2021-01-31#AccountingStandardsUpdate201602Member
CY2020	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	http://fasb.org/us-gaap/2021-01-31#AccountingStandardsUpdate201613Member
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherAssets
CY2019Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
CY2021Q4	us-gaap	Inventory Land Held For Sale InventoryLandHeldForSale	600000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherAssets
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherAssets
CY2022Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#AccruedLiabilitiesCurrentAndNoncurrent
CY2021Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#AccruedLiabilitiesCurrentAndNoncurrent
CY2022	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	-300000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	900000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	100000	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	500000	usd
CY2022Q4	kbh	Shares Included In Each Purchase Right SharesIncludedInEachPurchaseRight	0.01
CY2022	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost Credit Excluding Service Cost Statement Of Income Or Comprehensive Income Extensible List DefinedBenefitPlanNetPeriodicBenefitCostCreditExcludingServiceCostStatementOfIncomeOrComprehensiveIncomeExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax
CY2022	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2021	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost Credit Excluding Service Cost Statement Of Income Or Comprehensive Income Extensible List DefinedBenefitPlanNetPeriodicBenefitCostCreditExcludingServiceCostStatementOfIncomeOrComprehensiveIncomeExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax
CY2022	dei	Entity Small Business EntitySmallBusiness	false
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CY2022	dei	Document Type DocumentType	10-K
CY2022	dei	Document Annual Report DocumentAnnualReport	true
CY2022	dei	Document Period End Date DocumentPeriodEndDate	2022-11-30
CY2022	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--11-30
CY2022	dei	Document Transition Report DocumentTransitionReport	false
CY2022	dei	Entity File Number EntityFileNumber	001-09195
CY2022	dei	Entity Registrant Name EntityRegistrantName	KB HOME
CY2022	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2022	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	95-3666267
CY2022	dei	Entity Address Address Line1 EntityAddressAddressLine1	10990 Wilshire Boulevard
CY2022	dei	Entity Address City Or Town EntityAddressCityOrTown	Los Angeles
CY2022	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
CY2022	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	90024
CY2022	dei	City Area Code CityAreaCode	310
CY2022	dei	Local Phone Number LocalPhoneNumber	231-4000
CY2022	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2022	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2022	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2022	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2022	dei	Entity Shell Company EntityShellCompany	false
CY2022Q2	dei	Entity Public Float EntityPublicFloat	3237609721	usd
CY2022Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	83990399	shares
CY2022	dei	Auditor Firm AuditorFirmId	42
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	6903776000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	5724930000	usd
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4183174000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	1072066000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	695346000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	364043000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	255400000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	130600000	usd
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CY2021	us-gaap	Net Income Loss NetIncomeLoss	564746000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	296243000	usd
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	9.35
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.22
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.26
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	9.09
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.01
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.13
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	86861000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	90401000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	90464000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	89348000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	93587000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	94086000	shares
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CY2021	us-gaap	Net Income Loss NetIncomeLoss	564746000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	296243000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	17463000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	2664000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-8412000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-1090000	usd
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CY2020	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-7024000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	5009000	usd
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CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	3660795000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	816666000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	564746000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	296243000	usd
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	19934000	usd
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	23184000	usd
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	33628000	usd
CY2022	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	11038000	usd
CY2021	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	18511000	usd
CY2020	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	35649000	usd
CY2022	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	2322000	usd
CY2022	us-gaap	Depreciation And Amortization DepreciationAndAmortization	32319000	usd
CY2021	us-gaap	Depreciation And Amortization DepreciationAndAmortization	28640000	usd
CY2020	us-gaap	Depreciation And Amortization DepreciationAndAmortization	28396000	usd
CY2022	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-16510000	usd
CY2021	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-53767000	usd
CY2020	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-50304000	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-3598000	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-5075000	usd
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	29464000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	28904000	usd
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	21531000	usd
CY2022	kbh	Inventory Impairments And Land Option Contract Abandonments InventoryImpairmentsAndLandOptionContractAbandonments	37301000	usd
CY2021	kbh	Inventory Impairments And Land Option Contract Abandonments InventoryImpairmentsAndLandOptionContractAbandonments	11953000	usd
CY2020	kbh	Inventory Impairments And Land Option Contract Abandonments InventoryImpairmentsAndLandOptionContractAbandonments	28669000	usd
CY2022	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	19885000	usd
CY2021	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	32014000	usd
CY2020	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	-59257000	usd
CY2022	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	785557000	usd
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	897750000	usd
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	183233000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	53097000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	181625000	usd
CY2020	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	4091000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-6479000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-19579000	usd
CY2020	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-901000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	183418000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-37296000	usd
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	310678000	usd
CY2022	us-gaap	Payments To Acquire Interest In Joint Venture PaymentsToAcquireInterestInJointVenture	28439000	usd
CY2021	us-gaap	Payments To Acquire Interest In Joint Venture PaymentsToAcquireInterestInJointVenture	11523000	usd
CY2020	us-gaap	Payments To Acquire Interest In Joint Venture PaymentsToAcquireInterestInJointVenture	10373000	usd
CY2022	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	1900000	usd
CY2021	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	12838000	usd
CY2020	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	12651000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	45234000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	39399000	usd
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	28841000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-71773000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-38084000	usd
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-26563000	usd
CY2022	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	350000000	usd
CY2021	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	390000000	usd
CY2020	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	0	usd
CY2022	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	703598000	usd
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	455075000	usd
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	usd
CY2022	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	11064000	usd
CY2021	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	4813000	usd
CY2020	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	usd
CY2022	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	1685000000	usd
CY2021	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	340000000	usd
CY2020	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	0	usd
CY2022	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	1535000000	usd
CY2021	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	340000000	usd
CY2020	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	0	usd
CY2022	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	360000000	usd
CY2021	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	0	usd
CY2020	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	0	usd
CY2022	us-gaap	Proceeds From Repayments Of Secured Debt ProceedsFromRepaymentsOfSecuredDebt	-567000	usd
CY2021	us-gaap	Proceeds From Repayments Of Secured Debt ProceedsFromRepaymentsOfSecuredDebt	-2250000	usd
CY2020	us-gaap	Proceeds From Repayments Of Secured Debt ProceedsFromRepaymentsOfSecuredDebt	-24934000	usd
CY2022	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	0	usd
CY2021	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	11689000	usd
CY2020	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	16058000	usd
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	150000000	usd
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	188175000	usd
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	usd
CY2022	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	15902000	usd
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	12337000	usd
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	9503000	usd
CY2022	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	52452000	usd
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	54052000	usd
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	38065000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-73583000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-315013000	usd
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-56444000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	38062000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-390393000	usd
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	227671000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	292136000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	682529000	usd
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	454858000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	330198000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	292136000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	682529000	usd
CY2022	us-gaap	Use Of Estimates UseOfEstimates	<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><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 GAAP requires management to make estimates and judgments that affect the amounts reported in the consolidated financial statements and accompanying notes. Actual results could differ from those estimates.</span>
CY2022Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	15800000	usd
CY2021Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	15400000	usd
CY2021	us-gaap	Legal Fees LegalFees	11500000	usd
CY2022	us-gaap	Depreciation Nonproduction DepreciationNonproduction	32300000	usd
CY2021	us-gaap	Depreciation Nonproduction DepreciationNonproduction	28600000	usd
CY2020	us-gaap	Depreciation Nonproduction DepreciationNonproduction	28400000	usd
CY2022	us-gaap	Advertising Expense AdvertisingExpense	37100000	usd
CY2021	us-gaap	Advertising Expense AdvertisingExpense	28000000	usd
CY2020	us-gaap	Legal Fees LegalFees	11600000	usd
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	31200000	usd
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	31200000	usd
CY2020	us-gaap	Tax Cuts And Jobs Act Of2017 Reclassification From Aoci To Retained Earnings Tax Effect TaxCutsAndJobsActOf2017ReclassificationFromAociToRetainedEarningsTaxEffect	1600000	usd
CY2022	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	3904000	usd
CY2022	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Reclassifications.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> Certain amounts in our consolidated financial statements of prior years have been reclassified to conform to the current period presentation.</span>
CY2022	us-gaap	Net Income Loss NetIncomeLoss	816666000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	564746000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	296243000	usd
CY2022	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	268000	usd
CY2021	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	253000	usd
CY2020	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	197000	usd
CY2021	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	2366000	usd
CY2020	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	1329000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	812494000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	562127000	usd
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	294717000	usd
CY2022	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	-3904000	usd
CY2021	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	-2366000	usd
CY2020	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	-1329000	usd
CY2022	kbh	Undistributed Earnings Reallocatedto Participating Securities UndistributedEarningsReallocatedtoParticipatingSecurities	3796000	usd
CY2021	kbh	Undistributed Earnings Reallocatedto Participating Securities UndistributedEarningsReallocatedtoParticipatingSecurities	2286000	usd
CY2020	kbh	Undistributed Earnings Reallocatedto Participating Securities UndistributedEarningsReallocatedtoParticipatingSecurities	1278000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	812602000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	562207000	usd
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	294768000	usd
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	86861000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	90401000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	90464000	shares
CY2022	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	2487000	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	3186000	shares
CY2020	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	3622000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	89348000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	93587000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	94086000	shares
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	9.35
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.22
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.26
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	9.09
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.01
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.13
CY2022	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2022Q4	us-gaap	Inventory Homes Under Construction InventoryHomesUnderConstruction	2414675000	usd
CY2021Q4	us-gaap	Inventory Homes Under Construction InventoryHomesUnderConstruction	2103038000	usd
CY2022Q4	us-gaap	Inventory Real Estate Land And Land Development Costs InventoryRealEstateLandAndLandDevelopmentCosts	3128501000	usd
CY2021Q4	us-gaap	Inventory Real Estate Land And Land Development Costs InventoryRealEstateLandAndLandDevelopmentCosts	2699791000	usd
CY2022Q4	us-gaap	Inventory Operative Builders InventoryOperativeBuilders	5543176000	usd
CY2021Q4	us-gaap	Inventory Operative Builders InventoryOperativeBuilders	4802829000	usd
CY2022Q4	us-gaap	Inventory Land Held For Development And Sale InventoryLandHeldForDevelopmentAndSale	10200000	usd
CY2021Q4	us-gaap	Inventory Land Held For Development And Sale InventoryLandHeldForDevelopmentAndSale	44600000	usd
CY2022Q4	us-gaap	Inventory Land Held For Sale InventoryLandHeldForSale	11400000	usd
CY2022Q4	kbh	Number Of Land Parcels Or Communities Evaluated For Recoverability NumberOfLandParcelsOrCommunitiesEvaluatedForRecoverability	5	property
CY2021Q4	kbh	Number Of Land Parcels Or Communities Evaluated For Recoverability NumberOfLandParcelsOrCommunitiesEvaluatedForRecoverability	1	property
CY2021Q4	us-gaap	Real Estate Inventory Capitalized Interest Costs RealEstateInventoryCapitalizedInterestCosts	161119000	usd
CY2020Q4	us-gaap	Real Estate Inventory Capitalized Interest Costs RealEstateInventoryCapitalizedInterestCosts	190113000	usd
CY2019Q4	us-gaap	Real Estate Inventory Capitalized Interest Costs RealEstateInventoryCapitalizedInterestCosts	195738000	usd
CY2022	us-gaap	Real Estate Inventory Capitalized Interest Costs Incurred RealEstateInventoryCapitalizedInterestCostsIncurred	120859000	usd
CY2021	us-gaap	Real Estate Inventory Capitalized Interest Costs Incurred RealEstateInventoryCapitalizedInterestCostsIncurred	120514000	usd
CY2020	us-gaap	Real Estate Inventory Capitalized Interest Costs Incurred RealEstateInventoryCapitalizedInterestCostsIncurred	124147000	usd
CY2022	us-gaap	Real Estate Inventory Capitalized Interest Costs Cost Of Sales1 RealEstateInventoryCapitalizedInterestCostsCostOfSales1	136484000	usd
CY2021	us-gaap	Real Estate Inventory Capitalized Interest Costs Cost Of Sales1 RealEstateInventoryCapitalizedInterestCostsCostOfSales1	149508000	usd
CY2020	us-gaap	Real Estate Inventory Capitalized Interest Costs Cost Of Sales1 RealEstateInventoryCapitalizedInterestCostsCostOfSales1	129772000	usd
CY2022Q4	us-gaap	Real Estate Inventory Capitalized Interest Costs RealEstateInventoryCapitalizedInterestCosts	145494000	usd
CY2021Q4	us-gaap	Real Estate Inventory Capitalized Interest Costs RealEstateInventoryCapitalizedInterestCosts	161119000	usd
CY2020Q4	us-gaap	Real Estate Inventory Capitalized Interest Costs RealEstateInventoryCapitalizedInterestCosts	190113000	usd
CY2020Q4	kbh	Number Of Land Parcels Or Communities Evaluated For Recoverability NumberOfLandParcelsOrCommunitiesEvaluatedForRecoverability	11	property
CY2022Q4	kbh	Carrying Valueof Communitiesor Land Parcels Evaluatedfor Impairment CarryingValueofCommunitiesorLandParcelsEvaluatedforImpairment	118700000	usd
CY2021Q4	kbh	Carrying Valueof Communitiesor Land Parcels Evaluatedfor Impairment CarryingValueofCommunitiesorLandParcelsEvaluatedforImpairment	29900000	usd
CY2020Q4	kbh	Carrying Valueof Communitiesor Land Parcels Evaluatedfor Impairment CarryingValueofCommunitiesorLandParcelsEvaluatedforImpairment	123400000	usd
CY2022	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	24100000	usd
CY2022	kbh	Number Of Land Parcels Or Communities Associated With Non Cash Inventory Impairment Charges NumberOfLandParcelsOrCommunitiesAssociatedWithNonCashInventoryImpairmentCharges	4	property
CY2021	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	9900000	usd
CY2021	kbh	Number Of Land Parcels Or Communities Associated With Non Cash Inventory Impairment Charges NumberOfLandParcelsOrCommunitiesAssociatedWithNonCashInventoryImpairmentCharges	2	property
CY2020	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	22700000	usd
CY2020	kbh	Number Of Land Parcels Or Communities Associated With Non Cash Inventory Impairment Charges NumberOfLandParcelsOrCommunitiesAssociatedWithNonCashInventoryImpairmentCharges	10	property
CY2022Q4	kbh	Aggregate Carrying Value Of Inventory Impacted By Pretax Noncash Inventory Impairment Charges AggregateCarryingValueOfInventoryImpactedByPretaxNoncashInventoryImpairmentCharges	102900000	usd
CY2022Q4	kbh	Number Of Communities And Various Other Land Parcels Impacted By Pretax Noncash Inventory Impairment Charges NumberOfCommunitiesAndVariousOtherLandParcelsImpactedByPretaxNoncashInventoryImpairmentCharges	8	community
CY2021Q4	kbh	Aggregate Carrying Value Of Inventory Impacted By Pretax Noncash Inventory Impairment Charges AggregateCarryingValueOfInventoryImpactedByPretaxNoncashInventoryImpairmentCharges	87700000	usd
CY2021Q4	kbh	Number Of Communities And Various Other Land Parcels Impacted By Pretax Noncash Inventory Impairment Charges NumberOfCommunitiesAndVariousOtherLandParcelsImpactedByPretaxNoncashInventoryImpairmentCharges	11	community
CY2022	kbh	Calendar Days After Public Announcement During Which Rights To Be Exercised CalendarDaysAfterPublicAnnouncementDuringWhichRightsToBeExercised	P10D
CY2022	kbh	Expected Realization Period Of Inventory ExpectedRealizationPeriodOfInventory	P5Y
CY2022Q4	kbh	Cash Deposits On Land Option And Other Similar Contracts CashDepositsOnLandOptionAndOtherSimilarContracts	51850000	usd
CY2022Q4	kbh	Aggregate Purchase Price Associated With Land Option And Other Similar Contracts AggregatePurchasePriceAssociatedWithLandOptionAndOtherSimilarContracts	1164932000	usd
CY2021Q4	kbh	Cash Deposits On Land Option And Other Similar Contracts CashDepositsOnLandOptionAndOtherSimilarContracts	74509000	usd
CY2021Q4	kbh	Aggregate Purchase Price Associated With Land Option And Other Similar Contracts AggregatePurchasePriceAssociatedWithLandOptionAndOtherSimilarContracts	1859851000	usd
CY2022Q4	kbh	Acquisition Costs Related To Land Option Contracts And Other Similar Contracts AcquisitionCostsRelatedToLandOptionContractsAndOtherSimilarContracts	33100000	usd
CY2021Q4	kbh	Acquisition Costs Related To Land Option Contracts And Other Similar Contracts AcquisitionCostsRelatedToLandOptionContractsAndOtherSimilarContracts	38100000	usd
CY2022Q4	kbh	Increase In Inventories And Accrued Expenses And Other Liabilities Due To Land Option And Other Similar Contracts IncreaseInInventoriesAndAccruedExpensesAndOtherLiabilitiesDueToLandOptionAndOtherSimilarContracts	5100000	usd
CY2021Q4	kbh	Increase In Inventories And Accrued Expenses And Other Liabilities Due To Land Option And Other Similar Contracts IncreaseInInventoriesAndAccruedExpensesAndOtherLiabilitiesDueToLandOptionAndOtherSimilarContracts	26500000	usd
CY2021Q4	kbh	Number Of Investments In Unconsolidated Joint Ventures NumberOfInvestmentsInUnconsolidatedJointVentures	6	joint_venture
CY2022Q4	kbh	Number Of Investments In Unconsolidated Joint Ventures NumberOfInvestmentsInUnconsolidatedJointVentures	6	joint_venture
CY2020Q4	kbh	Number Of Investments In Unconsolidated Joint Ventures NumberOfInvestmentsInUnconsolidatedJointVentures	5	joint_venture
CY2022Q4	kbh	Number Of Unconsolidated Joint Ventures With Loan Commitments NumberOfUnconsolidatedJointVenturesWithLoanCommitments	1	joint_venture
CY2022Q4	kbh	Number Of Other Unconsolidated Joint Ventures With Outstanding Debt NumberOfOtherUnconsolidatedJointVenturesWithOutstandingDebt	0	joint_venture
CY2021Q4	kbh	Number Of Other Unconsolidated Joint Ventures With Outstanding Debt NumberOfOtherUnconsolidatedJointVenturesWithOutstandingDebt	0	joint_venture
CY2022	kbh	Structural Warranty Provided By Company StructuralWarrantyProvidedByCompany	P10Y
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	166814000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	145562000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	77580000	usd
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	69249000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	89234000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	76313000	usd
CY2022Q4	kbh	Self Insuranceand Other Legal Liabilities SelfInsuranceandOtherLegalLiabilities	234128000	usd
CY2021Q4	kbh	Self Insuranceand Other Legal Liabilities SelfInsuranceandOtherLegalLiabilities	239129000	usd
CY2022Q4	us-gaap	Accrued Employee Benefits Current And Noncurrent AccruedEmployeeBenefitsCurrentAndNoncurrent	182443000	usd
CY2021Q4	us-gaap	Accrued Employee Benefits Current And Noncurrent AccruedEmployeeBenefitsCurrentAndNoncurrent	192549000	usd
CY2022Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	101890000	usd
CY2021Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	96153000	usd
CY2022Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	76738000	usd
CY2021Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	71032000	usd
CY2022Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	29989000	usd
CY2021Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	24554000	usd
CY2022Q4	kbh	Inventoryrelatedliabilities Inventoryrelatedliabilities	19136000	usd
CY2021Q4	kbh	Inventoryrelatedliabilities Inventoryrelatedliabilities	36146000	usd
CY2022Q4	us-gaap	Taxes Payable Current And Noncurrent TaxesPayableCurrentAndNoncurrent	17557000	usd
CY2021Q4	us-gaap	Taxes Payable Current And Noncurrent TaxesPayableCurrentAndNoncurrent	17563000	usd
CY2022Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	3671000	usd
CY2021Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	8290000	usd
CY2022Q4	us-gaap	Other Accrued Liabilities Current And Noncurrent OtherAccruedLiabilitiesCurrentAndNoncurrent	43925000	usd
CY2021Q4	us-gaap	Other Accrued Liabilities Current And Noncurrent OtherAccruedLiabilitiesCurrentAndNoncurrent	42210000	usd
CY2022Q4	us-gaap	Accrued Liabilities Current And Noncurrent AccruedLiabilitiesCurrentAndNoncurrent	736971000	usd
CY2021Q4	us-gaap	Accrued Liabilities Current And Noncurrent AccruedLiabilitiesCurrentAndNoncurrent	756905000	usd
CY2022Q4	kbh	Lessee Operating Lease Number Of Renewal Options LesseeOperatingLeaseNumberOfRenewalOptions	1	leaserenewaloption
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	20700000	usd
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	17300000	usd
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	17700000	usd
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	7700000	usd
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	4700000	usd
CY2020	us-gaap	Short Term Lease Cost ShortTermLeaseCost	6000000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	25545000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	27693000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	27580000	usd
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	29481000	usd
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P3Y6M
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P3Y9M18D
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.050
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.051
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	3941000	usd
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1526000	usd
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	11169000	usd
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	11613000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	10589000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	8235000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	6159000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	2296000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	1761000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	1122000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	30162000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	2582000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	27580000	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	194400000	usd
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	49500000	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	243900000	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	2900000	usd
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	8600000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	11500000	usd
CY2022	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	197300000	usd
CY2022	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	58100000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	255400000	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	44300000	usd
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	33700000	usd
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	78000000	usd
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	47200000	usd
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	5400000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	52600000	usd
CY2021	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	91500000	usd
CY2021	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	39100000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	130600000	usd
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	12100000	usd
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3500000	usd
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	15600000	usd
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	36200000	usd
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	16000000	usd
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	52200000	usd
CY2020	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	48300000	usd
CY2020	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	19500000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	67800000	usd
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.238
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.188
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.186
CY2022	us-gaap	Income Tax Credits And Adjustments IncomeTaxCreditsAndAdjustments	22600000	usd
CY2022	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1800000	usd
CY2022	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	9700000	usd
CY2021	us-gaap	Income Tax Credits And Adjustments IncomeTaxCreditsAndAdjustments	49500000	usd
CY2021	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	7100000	usd
CY2021	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	11300000	usd
CY2020	us-gaap	Income Tax Credits And Adjustments IncomeTaxCreditsAndAdjustments	18700000	usd
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	12000000	usd
CY2020	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	5700000	usd
CY2020Q2	kbh	Income Taxes Receivable Alternative Minimum Tax Cares Act IncomeTaxesReceivableAlternativeMinimumTaxCARESAct	39300000	usd
CY2020Q1	kbh	Income Taxes Receivable Alternative Minimum Tax Cares Act IncomeTaxesReceivableAlternativeMinimumTaxCARESAct	43300000	usd
CY2020Q3	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	43300000	usd
CY2021Q1	kbh	Cares Act Employee Retention Credit CARESActEmployeeRetentionCredit	4300000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Capitalized Interest DeferredTaxLiabilitiesDeferredExpenseCapitalizedInterest	32646000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Capitalized Interest DeferredTaxLiabilitiesDeferredExpenseCapitalizedInterest	36660000	usd
CY2022Q4	kbh	Deferred Tax Liability State Taxes DeferredTaxLiabilityStateTaxes	18698000	usd
CY2021Q4	kbh	Deferred Tax Liability State Taxes DeferredTaxLiabilityStateTaxes	20558000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	8628000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	3926000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	416000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	1555000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	60388000	usd
CY2021Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	62699000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	63424000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	54826000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	60680000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	73662000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits	55382000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits	56384000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Impairment Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses	24871000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Impairment Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses	30767000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Other DeferredTaxAssetsTaxDeferredExpenseOther	24665000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Other DeferredTaxAssetsTaxDeferredExpenseOther	26849000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Equity Method Investments DeferredTaxAssetsEquityMethodInvestments	7386000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Equity Method Investments DeferredTaxAssetsEquityMethodInvestments	8265000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	0	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	4634000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1948000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	2090000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	238356000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	257477000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	17100000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	17400000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	221256000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	240077000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	160868000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	177378000	usd
CY2022	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	225121000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	146023000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	76449000	usd
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2022	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	22565000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.021
CY2021	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	49522000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.071
CY2020	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	18734000	usd
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.051
CY2022	us-gaap	Income Tax Reconciliation Nondeductible Expense Depreciation And Amortization IncomeTaxReconciliationNondeductibleExpenseDepreciationAndAmortization	-1444000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Depreciation And Amortization EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDepreciationAndAmortization	-0.002
CY2021	us-gaap	Income Tax Reconciliation Nondeductible Expense Depreciation And Amortization IncomeTaxReconciliationNondeductibleExpenseDepreciationAndAmortization	-5872000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Depreciation And Amortization EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDepreciationAndAmortization	-0.008
CY2020	us-gaap	Income Tax Reconciliation Nondeductible Expense Depreciation And Amortization IncomeTaxReconciliationNondeductibleExpenseDepreciationAndAmortization	-9910000	usd
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Depreciation And Amortization EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDepreciationAndAmortization	-0.027
CY2022	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-300000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0
CY2021	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-600000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.001
CY2020	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-1200000	usd
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.003
CY2022	kbh	Effective Income Tax Rate Reconciliation Nondeductible Expense Compensation Amount EffectiveIncomeTaxRateReconciliationNondeductibleExpenseCompensationAmount	7905000	usd
CY2022	kbh	Effective Income Tax Rate Reconciliation Nondeductible Expense Compensation Percent EffectiveIncomeTaxRateReconciliationNondeductibleExpenseCompensationPercent	-0.007
CY2021	kbh	Effective Income Tax Rate Reconciliation Nondeductible Expense Compensation Amount EffectiveIncomeTaxRateReconciliationNondeductibleExpenseCompensationAmount	9241000	usd
CY2021	kbh	Effective Income Tax Rate Reconciliation Nondeductible Expense Compensation Percent EffectiveIncomeTaxRateReconciliationNondeductibleExpenseCompensationPercent	-0.013
CY2020	kbh	Effective Income Tax Rate Reconciliation Nondeductible Expense Compensation Amount EffectiveIncomeTaxRateReconciliationNondeductibleExpenseCompensationAmount	4812000	usd
CY2020	kbh	Effective Income Tax Rate Reconciliation Nondeductible Expense Compensation Percent EffectiveIncomeTaxRateReconciliationNondeductibleExpenseCompensationPercent	-0.013
CY2022	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	46139000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.043
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	31378000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.045
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	16395000	usd
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.044
CY2022	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	544000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.001
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-48000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-12000	usd
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	255400000	usd
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.238
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	130600000	usd
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.188
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	67800000	usd
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.186
CY2022Q4	kbh	Deferred Tax Assets Liabilities Gross DeferredTaxAssetsLiabilitiesGross	178000000	usd
CY2021Q4	kbh	Deferred Tax Assets Liabilities Gross DeferredTaxAssetsLiabilitiesGross	194800000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	17100000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	17400000	usd
CY2022	kbh	Period For Carry Forward Of Tax Benefits Related To Deferred Tax Assets PeriodForCarryForwardOfTaxBenefitsRelatedToDeferredTaxAssets	P20Y
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	930000	usd
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	usd
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	usd
CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	45000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	930000	usd
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	975000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	930000	usd
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1000000	usd
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	0	usd
CY2022Q4	us-gaap	Notes And Loans Payable NotesAndLoansPayable	1838511000	usd
CY2021Q4	us-gaap	Notes And Loans Payable NotesAndLoansPayable	1685027000	usd
CY2022Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	16200000	usd
CY2021Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	10300000	usd
CY2022Q4	us-gaap	Pledged Assets Not Separately Reported Real Estate PledgedAssetsNotSeparatelyReportedRealEstate	31300000	usd
CY2021Q2	us-gaap	Proceeds From Repayments Of Notes Payable ProceedsFromRepaymentsOfNotesPayable	-274900000	usd
CY2021Q2	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-5100000	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	3200000	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	1000000	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	360000000	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	450000000	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	1040000000.00	usd
CY2021Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	96153000	usd
CY2020Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	91646000	usd
CY2019Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	88839000	usd
CY2022	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	39476000	usd
CY2021	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	34627000	usd
CY2020	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	29505000	usd
CY2022	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	33739000	usd
CY2021	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	26120000	usd
CY2020	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	23098000	usd
CY2022	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	0	usd
CY2021	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	-4000000	usd
CY2020	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	-3600000	usd
CY2022Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	101890000	usd
CY2021Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	96153000	usd
CY2020Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	91646000	usd
CY2021Q4	us-gaap	Self Insurance Reserve SelfInsuranceReserve	189131000	usd
CY2020Q4	us-gaap	Self Insurance Reserve SelfInsuranceReserve	194180000	usd
CY2019Q4	us-gaap	Self Insurance Reserve SelfInsuranceReserve	177765000	usd
CY2022	kbh	Expenses Associated With Self Insurance ExpensesAssociatedWithSelfInsurance	21926000	usd
CY2021	kbh	Expenses Associated With Self Insurance ExpensesAssociatedWithSelfInsurance	19665000	usd
CY2020	kbh	Expenses Associated With Self Insurance ExpensesAssociatedWithSelfInsurance	15399000	usd
CY2022	kbh	Payments Recoveries For Self Insurance PaymentsRecoveriesForSelfInsurance	21984000	usd
CY2021	kbh	Payments Recoveries For Self Insurance PaymentsRecoveriesForSelfInsurance	29369000	usd
CY2020	kbh	Payments Recoveries For Self Insurance PaymentsRecoveriesForSelfInsurance	4375000	usd
CY2022Q4	us-gaap	Self Insurance Reserve SelfInsuranceReserve	175977000	usd
CY2021Q4	us-gaap	Self Insurance Reserve SelfInsuranceReserve	189131000	usd
CY2020Q4	us-gaap	Self Insurance Reserve SelfInsuranceReserve	194180000	usd
CY2022	us-gaap	Increase Decrease In Self Insurance Reserve IncreaseDecreaseInSelfInsuranceReserve	7000000	usd
CY2021	us-gaap	Increase Decrease In Self Insurance Reserve IncreaseDecreaseInSelfInsuranceReserve	6800000	usd
CY2020	us-gaap	Increase Decrease In Self Insurance Reserve IncreaseDecreaseInSelfInsuranceReserve	-4000000	usd
CY2022Q4	kbh	Performance Bonds PerformanceBonds	1270000000	usd
CY2022Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	43000000	usd
CY2021Q4	kbh	Performance Bonds PerformanceBonds	1110000000	usd
CY2021Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	43200000	usd
CY2022Q4	kbh	Cash Deposits On Land Option And Other Similar Contracts CashDepositsOnLandOptionAndOtherSimilarContracts	51900000	usd
CY2022Q4	kbh	Aggregate Purchase Price Associated With Land Option And Other Similar Contracts AggregatePurchasePriceAssociatedWithLandOptionAndOtherSimilarContracts	1160000000	usd
CY2022	us-gaap	Applicability And Impact Of Environmental Laws ApplicabilityAndImpactOfEnvironmentalLaws	Pursuant to SEC rules, we will disclose any proceeding in which a governmental authority is a party and that arises under any federal, state or local provisions enacted or adopted regulating the discharge of materials into the environment or primarily for the purpose of protecting the environment only where we believe that such proceeding will result in monetary sanctions on us, exclusive of interest and costs, above $1.0 million or is otherwise material to our consolidated financial statements.
CY2022Q4	kbh	Dividend Distribution Number Of Preferred Share Purchase Rights For Each Outstanding Common Stock Share DividendDistributionNumberOfPreferredSharePurchaseRightsForEachOutstandingCommonStockShare	1	preferredsharepurchaseright
CY2022Q4	kbh	Purchase Price Right Holders PurchasePriceRightHolders	85.00
CY2022	kbh	Beneficially Ownership In Companys Outstanding Common Stock To Be Held By Person Or Group To Exercise Rights BeneficiallyOwnershipInCompanysOutstandingCommonStockToBeHeldByPersonOrGroupToExerciseRights	0.049
CY2022Q4	kbh	Number Of Common Shares Issued For Each Purchase Right NumberOfCommonSharesIssuedForEachPurchaseRight	1	shares
CY2022Q4	us-gaap	Class Of Warrant Or Right Exercise Price Of Warrants Or Rights1 ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1	0.001
CY2022Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.15
CY2021Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.15
CY2020Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.15
CY2022Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.15
CY2022Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.15
CY2022Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.15
CY2022Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.15
CY2021Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.15
CY2022Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.15
CY2022Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.15
CY2021Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.15
CY2020Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.15
CY2022Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.15
CY2021Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.15
CY2022Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.15
CY2021Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.15
CY2021Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.15
CY2021Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.15
CY2021Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.15
CY2020Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.09
CY2020Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.09
CY2020Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.09
CY2020Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.09
CY2020Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.09
CY2020Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.09
CY2022Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.15
CY2021Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.15
CY2020Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.15
CY2022Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.15
CY2022Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.15
CY2022Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.15
CY2022Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.15
CY2021Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.15
CY2022Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.15
CY2022Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.15
CY2021Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.15
CY2020Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.15
CY2022Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.15
CY2021Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.15
CY2022Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.15
CY2021Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.15
CY2021Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.15
CY2021Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.15
CY2021Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.15
CY2020	us-gaap	Treasury Stock Shares Retired TreasuryStockSharesRetired	23487966	shares
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	0	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
CY2022	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-1090000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-1575000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-963000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax	0	usd
CY2021	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax	86000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax	425000	usd
CY2022	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Before Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax	-1090000	usd
CY2021	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Before Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax	-1661000	usd
CY2020	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Before Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax	-1388000	usd
CY2022Q4	kbh	Number Of Active Equity Incentive Plans NumberOfActiveEquityIncentivePlans	1	plan
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	0	shares
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	29464000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	28904000	usd
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	21531000	usd
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1674393	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	15.56
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2462714	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	15.32
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	4163481	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	13.00
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	40900000	usd
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	0	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
CY2022	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	0	shares
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	0
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	788321	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	14.83
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1694767	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	9.52
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	6000	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	45.16
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1674393	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	15.56
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1674393	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	15.56
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2462714	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	15.32
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	1674393	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	15.56
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	1674393	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	15.56
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	2462714	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	15.32
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	3260585	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	4096427	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	4888526	shares
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	22100000	usd
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	48200000	usd
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	26500000	usd
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	48900000	usd
CY2022Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	26500000	usd
CY2021Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	40900000	usd
CY2020Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	48900000	usd
CY2022	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Lower Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit	6.32
CY2022	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Upper Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit	16.63
CY2022Q4	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions	1674393	shares
CY2022Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	15.56
CY2022	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2	P2Y10M24D
CY2022Q4	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions	1674393	shares
CY2022Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	15.56
CY2022	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2	P2Y10M24D
CY2020	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	425000	usd
CY2022	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	1132000	usd
CY2021Q4	us-gaap	Common Stock Shares Held In Employee Trust Shares CommonStockSharesHeldInEmployeeTrustShares	6705247	shares
CY2022Q4	us-gaap	Common Stock Shares Held In Employee Trust Shares CommonStockSharesHeldInEmployeeTrustShares	6705247	shares
CY2022	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	1853000	usd
CY2021	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	1593000	usd
CY2020	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	1950000	usd
CY2022	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	0	usd
CY2021	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	85000	usd
CY2021	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	1152000	usd
CY2020	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	1077000	usd
CY2022	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-998000	usd
CY2021	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-1443000	usd
CY2020	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-912000	usd
CY2022	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	3983000	usd
CY2021	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	4273000	usd
CY2020	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	4364000	usd
CY2022Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Current And Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent	61400000	usd
CY2021Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Current And Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent	76300000	usd
CY2022	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.048
CY2021	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.023
CY2022Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths	3000000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Two DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo	3100000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Three DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree	3500000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Four DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour	4600000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Five DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive	4600000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Five Fiscal Years Thereafter DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter	24400000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	330198000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	292136000	usd
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	682529000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	-5435000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	7087000	usd
CY2020	us-gaap	Interest Paid Net InterestPaidNet	866000	usd
CY2022	us-gaap	Income Taxes Paid IncomeTaxesPaid	248976000	usd
CY2021	us-gaap	Income Taxes Paid IncomeTaxesPaid	68274000	usd
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	17253000	usd
CY2022	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	452000	usd
CY2021	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	39450000	usd
CY2020	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	44336000	usd
CY2022	kbh	Increase Decrease In Consolidated Inventories Not Owned IncreaseDecreaseInConsolidatedInventoriesNotOwned	-21433000	usd
CY2021	kbh	Increase Decrease In Consolidated Inventories Not Owned IncreaseDecreaseInConsolidatedInventoriesNotOwned	7071000	usd
CY2020	kbh	Increase Decrease In Consolidated Inventories Not Owned IncreaseDecreaseInConsolidatedInventoriesNotOwned	7254000	usd
CY2022	us-gaap	Noncash Or Part Noncash Acquisition Inventory Acquired1 NoncashOrPartNoncashAcquisitionInventoryAcquired1	0	usd
CY2021	us-gaap	Noncash Or Part Noncash Acquisition Inventory Acquired1 NoncashOrPartNoncashAcquisitionInventoryAcquired1	2910000	usd
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Inventory Acquired1 NoncashOrPartNoncashAcquisitionInventoryAcquired1	21712000	usd
CY2022	kbh	Reclassification Of Tax Refund From Deferred Tax Assets To Receivables ReclassificationOfTaxRefundFromDeferredTaxAssetsToReceivables	0	usd
CY2021	kbh	Reclassification Of Tax Refund From Deferred Tax Assets To Receivables ReclassificationOfTaxRefundFromDeferredTaxAssetsToReceivables	0	usd
CY2020	kbh	Reclassification Of Tax Refund From Deferred Tax Assets To Receivables ReclassificationOfTaxRefundFromDeferredTaxAssetsToReceivables	82617000	usd
CY2020Q4	kbh	Increase In Operating Lease Right Of Use Assets And Lease Liabilities Due To Adoption Of Asc842 IncreaseInOperatingLeaseRightOfUseAssetsAndLeaseLiabilitiesDueToAdoptionOfASC842	31199000	usd
CY2022	dei	Auditor Name AuditorName	Ernst & Young LLP
CY2022	dei	Auditor Location AuditorLocation	Los Angeles, California

Files In Submission

Name	View Source	Status
0000795266-23-000009-index-headers.html	Edgar Link	pending
0000795266-23-000009-index.html	Edgar Link	pending
0000795266-23-000009.txt	Edgar Link	pending
0000795266-23-000009-xbrl.zip	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
kbh-11302022x10kexhibit21.htm	Edgar Link	pending
kbh-11302022x10kexhibit22.htm	Edgar Link	pending
kbh-11302022x10kexhibit23.htm	Edgar Link	pending
kbh-11302022x10kexhibit311.htm	Edgar Link	pending
kbh-11302022x10kexhibit312.htm	Edgar Link	pending
kbh-11302022x10kexhibit321.htm	Edgar Link	pending
kbh-11302022x10kexhibit322.htm	Edgar Link	pending
kbh-11302210kexhibit32.htm	Edgar Link	pending
kbh-11302210kexhibit991.htm	Edgar Link	pending
kbh-11302210xkexhibit419.htm	Edgar Link	pending
kbh-20221130.htm	Edgar Link	pending
kbh-20221130.xsd	Edgar Link	pending
kbh-20221130_g1.jpg	Edgar Link	pending
kbh-20221130_g10.jpg	Edgar Link	pending
kbh-20221130_g2.jpg	Edgar Link	pending
kbh-20221130_g3.jpg	Edgar Link	pending
kbh-20221130_g4.jpg	Edgar Link	pending
kbh-20221130_g5.jpg	Edgar Link	pending
kbh-20221130_g6.jpg	Edgar Link	pending
kbh-20221130_g7.jpg	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
kbh-20221130_def.xml	Edgar Link	unprocessable
kbh-20221130_cal.xml	Edgar Link	unprocessable
kbh-20221130_pre.xml	Edgar Link	unprocessable
kbh-20221130_g8.jpg	Edgar Link	pending
kbh-20221130_g9.jpg	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
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kbh-20221130_htm.xml	Edgar Link	completed
R53.htm	Edgar Link	pending
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R95.htm	Edgar Link	pending
R9999.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending
kbh-20221130_lab.xml	Edgar Link	unprocessable

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2022 Q4 Form 10-K Financial Statement

#000079526623000009 Filed on January 20, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$KBH KB HOME Stock $kbh

2022 Q4 Form 10-K Financial Statement

#000079526623000009 Filed on January 20, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$KBH
KB HOME Stock $kbh