$KFFB
Kentucky First Federal Bancorp Stock $kffb

$kffb Overview Financials Valuation SEC Filings Company Website

2022 Q3 Form 10-K Financial Statement

#000121390022059709 Filed on September 28, 2022

Income Statement

Concept	2022 Q3	2022 Q2	2022
Revenue			$10.91M
YoY Change			-10.19%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$68.00K	$91.00K	$285.0K
YoY Change	-15.0%	30.0%	-1.72%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$453.0K		$1.754M
YoY Change	-3.41%		-18.08%
% of Operating Profit
Other Income/Expense, Net			$9.160M
YoY Change			-8.5%
Pretax Income	$489.0K	$309.0K	$2.067M
YoY Change	-34.8%	-58.8%	-4.75%
Income Tax	$116.0K	$103.0K	$477.0K
% Of Pretax Income	23.72%	33.33%	23.08%
Net Earnings	$373.0K	$206.0K	$1.590M
YoY Change	-34.56%	-70.14%	-12.64%
Net Earnings / Revenue			14.57%
Basic Earnings Per Share	$0.05		$0.19
Diluted Earnings Per Share	$0.05	$25.11K	$193.6K
COMMON SHARES
Basic Shares Outstanding	8.155M shares		8.213M shares
Diluted Shares Outstanding	8.154M shares		8.213M shares

Balance Sheet

Concept	2022 Q3	2022 Q2	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$8.635M	$25.82M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$4.564M	$4.563M	$4.563M
YoY Change	-2.89%	-2.91%	-2.91%
Goodwill	$947.0K	$947.0K
YoY Change		0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$330.9M	$328.1M	$328.1M
YoY Change	-1.78%	-2.96%	-2.96%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$11.00K	$12.00K	$12.00K
YoY Change
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$11.00K	$12.00K	$12.00K
YoY Change	-89.0%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$1.610M	$2.132M	$2.132M
YoY Change	-10.56%	52.29%	52.29%
Total Long-Term Liabilities	$1.610M	$2.132M	$2.132M
YoY Change	-10.56%	52.29%	52.29%
TOTAL LIABILITIES
Total Short-Term Liabilities	$11.00K	$12.00K	$12.00K
Total Long-Term Liabilities	$1.610M	$2.132M	$2.132M
Total Liabilities	$279.3M	$276.1M	$276.1M
YoY Change	-1.8%	-3.41%	-3.41%
SHAREHOLDERS EQUITY
Retained Earnings	$20.59M	$20.56M
YoY Change		0.96%
Common Stock	$86.00K	$34.98M
YoY Change		-0.07%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$3.508M	$3.508M
YoY Change		18.19%
Treasury Stock Shares	441.4K shares	441.4K shares
Shareholders Equity	$51.63M	$52.03M	$52.03M
YoY Change
Total Liabilities & Shareholders Equity	$330.9M	$328.1M	$328.1M
YoY Change	-1.78%	-2.96%	-2.96%

Cashflow Statement

Concept	2022 Q3	2022 Q2	2022
OPERATING ACTIVITIES
Net Income	$373.0K	$206.0K	$1.590M
YoY Change	-34.56%	-70.14%	-12.64%
Depreciation, Depletion And Amortization	$68.00K	$91.00K	$285.0K
YoY Change	-15.0%	30.0%	-1.72%
Cash From Operating Activities	$436.0K	$1.497M	$2.641M
YoY Change	-79.53%	367.81%	67.15%
INVESTING ACTIVITIES
Capital Expenditures	$69.00K	-$24.00K	-$151.0K
YoY Change	-238.0%	-20.0%	51.0%
Acquisitions
YoY Change
Other Investing Activities	-$20.66M	-$15.62M	$13.48M
YoY Change	-579.42%	-1029.7%	-254.1%
Cash From Investing Activities	-$20.73M	-$15.64M	$13.33M
YoY Change	-586.67%	-1048.06%	-250.66%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	$3.108M	-6.092M	-$11.80M
YoY Change	-248.0%	-224.07%	-177.57%
NET CHANGE
Cash From Operating Activities	$436.0K	1.497M	$2.641M
Cash From Investing Activities	-$20.73M	-15.64M	$13.33M
Cash From Financing Activities	$3.108M	-6.092M	-$11.80M
Net Change In Cash	-$17.19M	-20.24M	$4.175M
YoY Change	-500.65%	-394.16%	-47.42%
FREE CASH FLOW
Cash From Operating Activities	$436.0K	$1.497M	$2.641M
Capital Expenditures	$69.00K	-$24.00K	-$151.0K
Free Cash Flow	$367.0K	$1.521M	$2.792M
YoY Change	-83.17%	334.57%	66.19%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax		usd
CY2022	dei	Entity Small Business EntitySmallBusiness	true
CY2022	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2022	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	false
CY2022	dei	Entity Shell Company EntityShellCompany	false
CY2021Q4	dei	Entity Public Float EntityPublicFloat	19200000	usd
CY2022	dei	Document Type DocumentType	10-K
CY2022	dei	Document Annual Report DocumentAnnualReport	true
CY2022	dei	Document Period End Date DocumentPeriodEndDate	2022-06-30
CY2022	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--06-30
CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022	dei	Document Transition Report DocumentTransitionReport	false
CY2022	dei	Entity File Number EntityFileNumber	0-51176
CY2022	dei	Entity Registrant Name EntityRegistrantName	KENTUCKY FIRST FEDERAL BANCORP
CY2022	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	X1
CY2022	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	61-1484858
CY2022	dei	Entity Address Address Line1 EntityAddressAddressLine1	655 Main Street
CY2022	dei	Entity Address City Or Town EntityAddressCityOrTown	Hazard
CY2022	dei	Entity Address State Or Province EntityAddressStateOrProvince	KY
CY2022	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	41702
CY2022	dei	City Area Code CityAreaCode	(502)
CY2022	dei	Local Phone Number LocalPhoneNumber	223-1638
CY2022	dei	Security12b Title Security12bTitle	Common Stock, $0.01 par value per share
CY2022	dei	Trading Symbol TradingSymbol	KFFB
CY2022	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2022	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2022	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2022	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2022	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2022	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
CY2022Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	8154695	shares
CY2022	dei	Auditor Name AuditorName	FORVIS, LLP
CY2022	dei	Auditor Location AuditorLocation	Louisville, KY
CY2022	dei	Auditor Firm AuditorFirmId	686
CY2022Q2	us-gaap	Cash And Due From Banks CashAndDueFromBanks	2002000	usd
CY2021Q2	us-gaap	Cash And Due From Banks CashAndDueFromBanks	1834000	usd
CY2022Q2	us-gaap	Federal Funds Sold FederalFundsSold	14824000	usd
CY2021Q2	us-gaap	Federal Funds Sold FederalFundsSold	5001000	usd
CY2022Q2	kffb	Interest Bearing Demand Deposits InterestBearingDemandDeposits	8997000	usd
CY2021Q2	kffb	Interest Bearing Demand Deposits InterestBearingDemandDeposits	14813000	usd
CY2022Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	25823000	usd
CY2021Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	21648000	usd
CY2021Q2	kffb	Time Deposits In Other Financial Institutions TimeDepositsInOtherFinancialInstitutions	247000	usd
CY2022Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	10477000	usd
CY2021Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	33000	usd
CY2022Q2	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	323000	usd
CY2021Q2	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	476000	usd
CY2022Q2	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	339000	usd
CY2021Q2	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	462000	usd
CY2022Q2	kffb	Loans Available For Sale LoansAvailableForSale	152000	usd
CY2021Q2	kffb	Loans Available For Sale LoansAvailableForSale	1307000	usd
CY2022Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	1529000	usd
CY2021Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	1622000	usd
CY2022Q2	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	274583000	usd
CY2021Q2	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	297902000	usd
CY2022Q2	us-gaap	Other Real Estate OtherRealEstate	10000	usd
CY2021Q2	us-gaap	Other Real Estate OtherRealEstate	82000	usd
CY2022Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4563000	usd
CY2021Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4697000	usd
CY2022Q2	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	6498000	usd
CY2021Q2	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	6498000	usd
CY2022Q2	us-gaap	Interest Receivable InterestReceivable	649000	usd
CY2021Q2	us-gaap	Interest Receivable InterestReceivable	694000	usd
CY2022Q2	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	2750000	usd
CY2021Q2	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	2672000	usd
CY2022Q2	us-gaap	Goodwill Goodwill	947000	usd
CY2021Q2	us-gaap	Goodwill Goodwill	947000	usd
CY2022Q2	us-gaap	Prepaid Taxes PrepaidTaxes	382000	usd
CY2021Q2	us-gaap	Prepaid Taxes PrepaidTaxes	40000	usd
CY2022Q2	us-gaap	Prepaid Expense And Other Assets Noncurrent PrepaidExpenseAndOtherAssetsNoncurrent	907000	usd
CY2021Q2	us-gaap	Prepaid Expense And Other Assets Noncurrent PrepaidExpenseAndOtherAssetsNoncurrent	834000	usd
CY2022Q2	us-gaap	Assets Assets	328080000	usd
CY2021Q2	us-gaap	Assets Assets	338063000	usd
CY2022Q2	us-gaap	Deposits Deposits	239857000	usd
CY2021Q2	us-gaap	Deposits Deposits	226843000	usd
CY2022Q2	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	34066000	usd
CY2021Q2	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	56873000	usd
CY2022Q2	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	766000	usd
CY2021Q2	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	838000	usd
CY2022Q2	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	12000	usd
CY2021Q2	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	20000	usd
CY2022Q2	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	889000	usd
CY2021Q2	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	614000	usd
CY2022Q2	us-gaap	Other Liabilities OtherLiabilities	465000	usd
CY2021Q2	us-gaap	Other Liabilities OtherLiabilities	579000	usd
CY2022Q2	us-gaap	Liabilities Liabilities	276055000	usd
CY2021Q2	us-gaap	Liabilities Liabilities	285767000	usd
CY2022Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	500000	shares
CY2021Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	500000	shares
CY2022Q2	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2021Q2	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2022Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	20000000	shares
CY2021Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	20000000	shares
CY2022Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	8596064	shares
CY2021Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	8596064	shares
CY2022Q2	us-gaap	Common Stock Value CommonStockValue	86000	usd
CY2021Q2	us-gaap	Common Stock Value CommonStockValue	86000	usd
CY2022Q2	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	34892000	usd
CY2021Q2	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	34916000	usd
CY2022Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	20560000	usd
CY2021Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	20364000	usd
CY2022Q2	us-gaap	Unearned Esop Shares UnearnedESOPShares	5000	usd
CY2021Q2	us-gaap	Unearned Esop Shares UnearnedESOPShares	102000	usd
CY2022Q2	us-gaap	Treasury Stock Shares TreasuryStockShares	441369	shares
CY2021Q2	us-gaap	Treasury Stock Shares TreasuryStockShares	369349	shares
CY2022Q2	us-gaap	Treasury Stock Value TreasuryStockValue	3508000	usd
CY2021Q2	us-gaap	Treasury Stock Value TreasuryStockValue	2968000	usd
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	52025000	usd
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	52296000	usd
CY2022Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	328080000	usd
CY2021Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	338063000	usd
CY2022	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	10659000	usd
CY2021	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	11979000	usd
CY2022	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	23000	usd
CY2021	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	14000	usd
CY2021	us-gaap	Interest And Dividend Income Securities Other InterestAndDividendIncomeSecuritiesOther	3000	usd
CY2022	us-gaap	Interest Income Domestic Deposits InterestIncomeDomesticDeposits	232000	usd
CY2021	us-gaap	Interest Income Domestic Deposits InterestIncomeDomesticDeposits	156000	usd
CY2022	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	10914000	usd
CY2021	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	12152000	usd
CY2022	us-gaap	Interest Expense Deposits InterestExpenseDeposits	1387000	usd
CY2021	us-gaap	Interest Expense Deposits InterestExpenseDeposits	1711000	usd
CY2022	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	367000	usd
CY2021	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	430000	usd
CY2022	us-gaap	Interest Expense InterestExpense	1754000	usd
CY2021	us-gaap	Interest Expense InterestExpense	2141000	usd
CY2022	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	9160000	usd
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	10011000	usd
CY2022	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-60000	usd
CY2021	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	192000	usd
CY2022	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	9220000	usd
CY2021	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	9819000	usd
CY2022	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	78000	usd
CY2021	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	78000	usd
CY2022	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	255000	usd
CY2021	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	380000	usd
CY2022	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-35000	usd
CY2021	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-19000	usd
CY2021	us-gaap	Real Estate Owned Valuation Allowance Provision1 RealEstateOwnedValuationAllowanceProvision1	19000	usd
CY2021	kffb	Gains On Sales Of Property GainsOnSalesOfProperty	-2000	usd
CY2022	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	217000	usd
CY2021	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	177000	usd
CY2022	us-gaap	Noninterest Income NoninterestIncome	515000	usd
CY2021	us-gaap	Noninterest Income NoninterestIncome	595000	usd
CY2022	us-gaap	Labor And Related Expense LaborAndRelatedExpense	4853000	usd
CY2021	us-gaap	Labor And Related Expense LaborAndRelatedExpense	5358000	usd
CY2022	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	545000	usd
CY2021	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	647000	usd
CY2022	kffb	Occupancy And Equipment OccupancyAndEquipment	632000	usd
CY2021	kffb	Occupancy And Equipment OccupancyAndEquipment	649000	usd
CY2022	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	71000	usd
CY2021	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	168000	usd
CY2022	kffb	Voice And Data Communications VoiceAndDataCommunications	123000	usd
CY2021	kffb	Voice And Data Communications VoiceAndDataCommunications	109000	usd
CY2022	us-gaap	Advertising Expense AdvertisingExpense	135000	usd
CY2021	us-gaap	Advertising Expense AdvertisingExpense	153000	usd
CY2022	kffb	Outside Service Fee OutsideServiceFee	166000	usd
CY2021	kffb	Outside Service Fee OutsideServiceFee	179000	usd
CY2022	us-gaap	Professional Fees ProfessionalFees	216000	usd
CY2021	us-gaap	Professional Fees ProfessionalFees	158000	usd
CY2022	us-gaap	Taxes Other TaxesOther	150000	usd
CY2021	us-gaap	Taxes Other TaxesOther	131000	usd
CY2022	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	101000	usd
CY2021	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	66000	usd
CY2022	kffb	Regulatory Assessments RegulatoryAssessments	103000	usd
CY2021	kffb	Regulatory Assessments RegulatoryAssessments	102000	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-573000	usd
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-522000	usd
CY2022	us-gaap	Noninterest Expense NoninterestExpense	7668000	usd
CY2021	us-gaap	Noninterest Expense NoninterestExpense	8242000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	2067000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	2172000	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	202000	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	575000	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	275000	usd
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-223000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	477000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	352000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	1590000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	1820000	usd
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.19
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.22
CY2022	us-gaap	Net Income Loss NetIncomeLoss	1590000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	1820000	usd
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	0	usd
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-1000	usd
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-2000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1590000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1818000	usd
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	51911000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	1820000	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Employee Stock Purchase Program Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationEmployeeStockPurchaseProgramRequisiteServicePeriodRecognition	122000	usd
CY2021	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	-167000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-2000	usd
CY2021	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.4
CY2021	us-gaap	Adjustments To Additional Paid In Capital Dividends In Excess Of Retained Earnings AdjustmentsToAdditionalPaidInCapitalDividendsInExcessOfRetainedEarnings	-1388000	usd
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	52296000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	1590000	usd
CY2022	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Employee Stock Purchase Program Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationEmployeeStockPurchaseProgramRequisiteServicePeriodRecognition	73000	usd
CY2022	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	-540000	usd
CY2022	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.4
CY2022	us-gaap	Adjustments To Additional Paid In Capital Dividends In Excess Of Retained Earnings AdjustmentsToAdditionalPaidInCapitalDividendsInExcessOfRetainedEarnings	-1394000	usd
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	52025000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	1590000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	1820000	usd
CY2022	us-gaap	Depreciation Depreciation	285000	usd
CY2021	us-gaap	Depreciation Depreciation	288000	usd
CY2022	kffb	Accretion Of Purchased Loan Discount AccretionOfPurchasedLoanDiscount	50000	usd
CY2021	kffb	Accretion Of Purchased Loan Discount AccretionOfPurchasedLoanDiscount	321000	usd
CY2021	kffb	Amortization Of Purchased Loan Premium AmortizationOfPurchasedLoanPremium	26000	usd
CY2022	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	6000	usd
CY2022	kffb	Amortization Of Deferred Loan Origination Costsfees AmortizationOfDeferredLoanOriginationCostsfees	98000	usd
CY2021	kffb	Amortization Of Deferred Loan Origination Costsfees AmortizationOfDeferredLoanOriginationCostsfees	-7000	usd
CY2022	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	255000	usd
CY2021	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	380000	usd
CY2021	us-gaap	Impairment Of Investments ImpairmentOfInvestments	19000	usd
CY2022	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	-35000	usd
CY2021	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	-19000	usd
CY2022	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	73000	usd
CY2021	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	122000	usd
CY2021	kffb	Net Loss On Sale Of Property Equipment NetLossOnSaleOfPropertyEquipment	2000	usd
CY2022	kffb	Earnings On Bank Owned Life Insurance EarningsOnBankOwnedLifeInsurance	78000	usd
CY2021	kffb	Earnings On Bank Owned Life Insurance EarningsOnBankOwnedLifeInsurance	78000	usd
CY2022	kffb	Provision For Loan Losses ProvisionForLoanLosses	-60000	usd
CY2021	kffb	Provision For Loan Losses ProvisionForLoanLosses	192000	usd
CY2022	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	4789000	usd
CY2021	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	9963000	usd
CY2022	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	6199000	usd
CY2021	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	9703000	usd
CY2022	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-275000	usd
CY2021	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	223000	usd
CY2022	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-45000	usd
CY2021	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-136000	usd
CY2022	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	415000	usd
CY2021	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-213000	usd
CY2022	kffb	Increase Decrease In Accrued Interest Payable IncreaseDecreaseInAccruedInterestPayable	8000	usd
CY2021	kffb	Increase Decrease In Accrued Interest Payable IncreaseDecreaseInAccruedInterestPayable	7000	usd
CY2022	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	-114000	usd
CY2021	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	6000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2641000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1581000	usd
CY2022	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	10449000	usd
CY2022	us-gaap	Proceeds From Sale And Maturity Of Other Investments ProceedsFromSaleAndMaturityOfOtherInvestments	247000	usd
CY2021	us-gaap	Proceeds From Sale And Maturity Of Other Investments ProceedsFromSaleAndMaturityOfOtherInvestments	1982000	usd
CY2022	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	118000	usd
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	129000	usd
CY2022	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	4000	usd
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	506000	usd
CY2021	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	30000	usd
CY2022	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	-23514000	usd
CY2021	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	12220000	usd
CY2022	us-gaap	Proceeds From Sale Of Wholly Owned Real Estate And Real Estate Acquired In Settlement Of Loans ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans	50000	usd
CY2021	us-gaap	Proceeds From Sale Of Wholly Owned Real Estate And Real Estate Acquired In Settlement Of Loans ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans	829000	usd
CY2021	kffb	Additions To Real Estate Owned AdditionsToRealEstateOwned	1000	usd
CY2022	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	151000	usd
CY2021	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	101000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	13333000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-8846000	usd
CY2022	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	13014000	usd
CY2021	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	14570000	usd
CY2022	us-gaap	Increase Decrease In Advance Payments By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance	-72000	usd
CY2021	us-gaap	Increase Decrease In Advance Payments By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance	38000	usd
CY2022	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	9000000	usd
CY2021	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	51600000	usd
CY2022	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	31807000	usd
CY2021	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	49442000	usd
CY2022	kffb	Proceed From Sale Of Treasury Stock ProceedFromSaleOfTreasuryStock	540000	usd
CY2021	kffb	Proceed From Sale Of Treasury Stock ProceedFromSaleOfTreasuryStock	167000	usd
CY2022	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	1394000	usd
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	1388000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-11799000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	15211000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	4175000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	7946000	usd
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	21648000	usd
CY2020Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	13702000	usd
CY2022Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	25823000	usd
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	21648000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	550000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	475000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	1762000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	2148000	usd
CY2022	kffb	Transfers From Loans To Real Estate Acquired Through Foreclosure Net TransfersFromLoansToRealEstateAcquiredThroughForeclosureNet	45000	usd
CY2021	kffb	Transfers From Loans To Real Estate Acquired Through Foreclosure Net TransfersFromLoansToRealEstateAcquiredThroughForeclosureNet	358000	usd
CY2022	kffb	Loans Made On Sale Of Real Estate Acquired Through Foreclosure LoansMadeOnSaleOfRealEstateAcquiredThroughForeclosure	32000	usd
CY2021	kffb	Loans Made On Sale Of Real Estate Acquired Through Foreclosure LoansMadeOnSaleOfRealEstateAcquiredThroughForeclosure	50000	usd
CY2022	us-gaap	Use Of Estimates UseOfEstimates	<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.25in; text-align: justify">2. <span style="text-decoration:underline">Use of Estimates</span>: The consolidated financial information presented herein has been prepared in accordance with U.S. generally accepted accounting principles (“U.S. GAAP.”) To prepare financial statements in conformity with U.S. GAAP, management makes estimates and assumptions based on available information. These estimates and assumptions affect the amounts reported in the financial statements and the disclosures provided, and actual results could differ. Such estimates include, but are not limited to, the allowance for loan losses, goodwill, and deferred taxes.</p><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.25in; text-align: justify"> </p>
CY2022	kffb	Allocated Shares AllocatedShares	117065	shares
CY2021	kffb	Allocated Shares AllocatedShares	99668	shares
CY2022Q2	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	152000	usd
CY2021Q2	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	1300000	usd
CY2022	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	20000	usd
CY2021	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	28000	usd
CY2022	kffb	Servicing Mortgage Loans ServicingMortgageLoans	23200000	usd
CY2021	kffb	Servicing Mortgage Loans ServicingMortgageLoans	18300000	usd
CY2022	kffb	Servicing Fee ServicingFee	42000	usd
CY2021	kffb	Servicing Fee ServicingFee	14000	usd
CY2022	kffb	Mortgage Loan Fixed Rate MortgageLoanFixedRate	P30Y
CY2022	kffb	Private Mortgage Insurance Percentage PrivateMortgageInsurancePercentage	0.95	pure
CY2022	kffb	Other Fair Valiue Programs Offered Percentage OtherFairValiueProgramsOfferedPercentage	0.90	pure
CY2022	kffb	Appraised Value Percentage AppraisedValuePercentage	0.80	pure
CY2022	kffb	Loans Originated LoansOriginated	P25Y
CY2022	kffb	Nonresidential Loan Percentage NonresidentialLoanPercentage	0.80	pure
CY2022	kffb	Equity Loans Percentage EquityLoansPercentage	0.90	pure
CY2022Q2	kffb	Interest Bear Percentgae InterestBearPercentgae	0.90	pure
CY2021	kffb	Employee Stock Ownership Plan Esop Compensation Expenses EmployeeStockOwnershipPlanESOPCompensationExpenses	122000	usd
CY2022Q2	us-gaap	Employee Stock Ownership Plan Esop Number Of Allocated Shares EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares	218894	shares
CY2021Q2	us-gaap	Employee Stock Ownership Plan Esop Number Of Allocated Shares EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares	217706	shares
CY2022Q2	us-gaap	Assets Designated To Closed Block Fixed Maturity Available For Sale At Fair Value AssetsDesignatedToClosedBlockFixedMaturityAvailableForSaleAtFairValue	161000	usd
CY2021Q2	us-gaap	Assets Designated To Closed Block Fixed Maturity Available For Sale At Fair Value AssetsDesignatedToClosedBlockFixedMaturityAvailableForSaleAtFairValue	161000	usd
CY2022	kffb	Sale Of Proparty SaleOfProparty	180000	usd
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.50	pure
CY2021	us-gaap	Multiemployer Plan Employer Contribution Cost MultiemployerPlanEmployerContributionCost	248600000	usd
CY2020	us-gaap	Multiemployer Plan Employer Contribution Cost MultiemployerPlanEmployerContributionCost	253200000	usd
CY2022	us-gaap	Other Expenses OtherExpenses	375000	usd
CY2021	us-gaap	Other Expenses OtherExpenses	955000	usd
CY2021Q3	kffb	Funding Target Percentage FundingTargetPercentage	0.9914	pure
CY2022Q2	us-gaap	Deferred Compensation Liability Current DeferredCompensationLiabilityCurrent	4000	usd
CY2021Q2	us-gaap	Deferred Compensation Liability Current DeferredCompensationLiabilityCurrent	0	usd
CY2022Q2	us-gaap	Deferred Compensation Share Based Arrangements Liability Current DeferredCompensationShareBasedArrangementsLiabilityCurrent	0	usd
CY2021Q2	us-gaap	Deferred Compensation Share Based Arrangements Liability Current DeferredCompensationShareBasedArrangementsLiabilityCurrent	51000	usd
CY2022Q2	us-gaap	Employee Stock Ownership Plan Esop Debt Structure Direct Loan Amount EmployeeStockOwnershipPlanESOPDebtStructureDirectLoanAmount	14000	usd
CY2021Q2	us-gaap	Employee Stock Ownership Plan Esop Debt Structure Direct Loan Amount EmployeeStockOwnershipPlanESOPDebtStructureDirectLoanAmount	277000	usd
CY2022	kffb	Employee Stock Ownership Plan Esop Compensation Expenses EmployeeStockOwnershipPlanESOPCompensationExpenses	73000	usd
CY2022	us-gaap	Employee Stock Ownership Plan Esop Cash Contributions To Esop EmployeeStockOwnershipPlanESOPCashContributionsToESOP	280000	usd
CY2021	us-gaap	Employee Stock Ownership Plan Esop Cash Contributions To Esop EmployeeStockOwnershipPlanESOPCashContributionsToESOP	2021	usd
CY2022	kffb	Shares Committed To Be Released SharesCommittedToBeReleased	463	shares
CY2021	kffb	Shares Committed To Be Released SharesCommittedToBeReleased	9338	shares
CY2022	kffb	Unearned Shares UnearnedShares	461	shares
CY2021	kffb	Unearned Shares UnearnedShares	10261	shares
CY2022	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	117989	shares
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	119267	shares
CY2022Q2	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	4000000	usd
CY2021Q2	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	76000000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1590000000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1820000000	usd
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.19
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.22
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	8213407	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	8216193	shares
CY2022Q2	us-gaap	Disposal Group Including Discontinued Operation Cash And Cash Equivalents DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents	25823000	usd
CY2022	kffb	Availableforsale Securities AvailableforsaleSecurities	10477000	usd
CY2022Q2	kffb	Heldtomaturity Securities1 HeldtomaturitySecurities1	323000	usd
CY2022Q2	kffb	Loans Held For Sale Carrying Value LoansHeldForSaleCarryingValue	153000	usd
CY2022Q2	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	271994000	usd
CY2022	us-gaap	Accounts Receivable Noncurrent Accrued Interest Writeoff AccountsReceivableNoncurrentAccruedInterestWriteoff	649000	usd
CY2022Q2	kffb	Deposit Deposit	239834000	usd
CY2022Q2	us-gaap	Federal Home Loan Bank Borrowings Fair Value Disclosure FederalHomeLoanBankBorrowingsFairValueDisclosure	33688000	usd
CY2022Q2	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	766000	usd
CY2022Q2	us-gaap	Accounts Payable And Accrued Liabilities Fair Value Disclosure AccountsPayableAndAccruedLiabilitiesFairValueDisclosure	12000	usd
CY2021Q2	us-gaap	Disposal Group Including Discontinued Operation Cash And Cash Equivalents DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents	21648000	usd
CY2021Q2	kffb	Time Deposits At Carrying Values TimeDepositsAtCarryingValues	248000	usd
CY2021	kffb	Availableforsale Securities AvailableforsaleSecurities	33000	usd
CY2021Q2	kffb	Heldtomaturity Securities1 HeldtomaturitySecurities1	476000	usd
CY2021Q2	kffb	Loans Held For Sale Carrying Value LoansHeldForSaleCarryingValue	1336000	usd
CY2021Q2	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	306346000	usd
CY2021	us-gaap	Accounts Receivable Noncurrent Accrued Interest Writeoff AccountsReceivableNoncurrentAccruedInterestWriteoff	694000	usd
CY2021Q2	kffb	Deposit Deposit	227183000	usd
CY2021Q2	us-gaap	Federal Home Loan Bank Borrowings Fair Value Disclosure FederalHomeLoanBankBorrowingsFairValueDisclosure	57314000	usd
CY2021Q2	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	838000	usd
CY2021Q2	us-gaap	Accounts Payable And Accrued Liabilities Fair Value Disclosure AccountsPayableAndAccruedLiabilitiesFairValueDisclosure	20000	usd
CY2005Q1	kffb	Goodwill Amount GoodwillAmount	14500000	usd
CY2022Q2	kffb	Carrying Value Of Goodwill CarryingValueOfGoodwill	947000	usd
CY2021Q2	kffb	Carrying Value Of Goodwill CarryingValueOfGoodwill	947000	usd
CY2022Q2	us-gaap	Securities Held As Collateral At Fair Value SecuritiesHeldAsCollateralAtFairValue	1500000	usd
CY2021Q2	kffb	Outstanding Principal Amount OutstandingPrincipalAmount	1405000	usd
CY2020Q2	kffb	Outstanding Principal Amount OutstandingPrincipalAmount	1047000	usd
CY2021	kffb	Changes In Composition Of Related Parties ChangesInCompositionOfRelatedParties	936000	usd
CY2022	kffb	Principal Repaid And Refinanced PrincipalRepaidAndRefinanced	-717000	usd
CY2021	kffb	Principal Repaid And Refinanced PrincipalRepaidAndRefinanced	-578000	usd
CY2022Q2	kffb	Outstanding Principal Amount OutstandingPrincipalAmount	688000	usd
CY2021Q2	kffb	Outstanding Principal Amount OutstandingPrincipalAmount	1405000	usd
CY2022Q2	us-gaap	Due From Other Related Parties DueFromOtherRelatedParties	5300000	usd
CY2021Q2	us-gaap	Due From Other Related Parties DueFromOtherRelatedParties	4300000	usd
CY2021Q2	kffb	Pledged Securities PledgedSecurities	1800000	usd
CY2022Q2	us-gaap	Mortgage Backed Securities Held To Maturity Fair Value Disclosure MortgageBackedSecuritiesHeldToMaturityFairValueDisclosure	242000	usd
CY2022	kffb	Gross Unrealized Losses GrossUnrealizedLosses	18000	usd
CY2021Q2	us-gaap	Mortgage Backed Securities Held To Maturity Fair Value Disclosure MortgageBackedSecuritiesHeldToMaturityFairValueDisclosure	258000	usd
CY2021	kffb	Gross Unrealized Losses GrossUnrealizedLosses	2000	usd
CY2022Q2	kffb	Pledged Securities PledgedSecurities	1700000	usd
CY2021Q2	us-gaap	Securities Held As Collateral At Fair Value SecuritiesHeldAsCollateralAtFairValue	1500000	usd
CY2022Q2	kffb	Loans And Leases Receivable One To Four Family LoansAndLeasesReceivableOneToFourFamily	216432000	usd
CY2021Q2	kffb	Loans And Leases Receivable One To Four Family LoansAndLeasesReceivableOneToFourFamily	224125000	usd
CY2022Q2	kffb	Loans And Leases Receivable Multifamily LoansAndLeasesReceivableMultifamily	14252000	usd
CY2021Q2	kffb	Loans And Leases Receivable Multifamily LoansAndLeasesReceivableMultifamily	19781000	usd
CY2022Q2	kffb	Loans And Leases Receivable Consumers Construction LoansAndLeasesReceivableConsumersConstruction	1363000	usd
CY2021Q2	kffb	Loans And Leases Receivable Consumers Construction LoansAndLeasesReceivableConsumersConstruction	5433000	usd
CY2022Q2	kffb	Loans Receivable Commercial Land LoansReceivableCommercialLand	1062000	usd
CY2021Q2	kffb	Loans Receivable Commercial Land LoansReceivableCommercialLand	1308000	usd
CY2022Q2	kffb	Loans Receivable Commercial Agriculturals LoansReceivableCommercialAgriculturals	1338000	usd
CY2021Q2	kffb	Loans Receivable Commercial Agriculturals LoansReceivableCommercialAgriculturals	2234000	usd
CY2022Q2	kffb	Loans Receivable Commercial Real Estates LoansReceivableCommercialRealEstates	31441000	usd
CY2021Q2	kffb	Loans Receivable Commercial Real Estates LoansReceivableCommercialRealEstates	35492000	usd
CY2022Q2	kffb	Loans Receivable Commercial Non Mortgage LoansReceivableCommercialNonMortgage	1006000	usd
CY2021Q2	kffb	Loans Receivable Commercial Non Mortgage LoansReceivableCommercialNonMortgage	2259000	usd
CY2022Q2	kffb	Loans And Leases Receivable Loans On Deposits LoansAndLeasesReceivableLoansOnDeposits	891000	usd
CY2021Q2	kffb	Loans And Leases Receivable Loans On Deposits LoansAndLeasesReceivableLoansOnDeposits	1129000	usd
CY2022Q2	kffb	Loans And Leases Receivables Consumer Home Equity LoansAndLeasesReceivablesConsumerHomeEquity	7670000	usd
CY2021Q2	kffb	Loans And Leases Receivables Consumer Home Equity LoansAndLeasesReceivablesConsumerHomeEquity	7135000	usd
CY2022Q2	kffb	Loans And Leases Receivable Automobile LoansAndLeasesReceivableAutomobile	117000	usd
CY2021Q2	kffb	Loans And Leases Receivable Automobile LoansAndLeasesReceivableAutomobile	75000	usd
CY2022Q2	kffb	Loans And Leases Receivable Unsecured LoansAndLeasesReceivableUnsecured	540000	usd
CY2021Q2	kffb	Loans And Leases Receivable Unsecured LoansAndLeasesReceivableUnsecured	553000	usd
CY2022Q2	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	276112000	usd
CY2021Q2	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	299524000	usd
CY2022Q2	kffb	Loans And Leases Receivable Allowances LoansAndLeasesReceivableAllowances	1529000	usd
CY2021Q2	kffb	Loans And Leases Receivable Allowances LoansAndLeasesReceivableAllowances	1622000	usd
CY2022Q2	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	274583000	usd
CY2021Q2	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	297902000	usd
CY2022	kffb	Net Deferred Loan Fees NetDeferredLoanFees	290000	usd
CY2021	kffb	Net Deferred Loan Fees NetDeferredLoanFees	167000	usd
CY2022Q2	us-gaap	Notes Receivable Net NotesReceivableNet	400000	usd
CY2021Q2	us-gaap	Notes Receivable Net NotesReceivableNet	595000	usd
CY2022	kffb	Unpaid Principal Balance And Recorded Investment UnpaidPrincipalBalanceAndRecordedInvestment	5626000	usd
CY2022	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	6133000	usd
CY2022	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	240000	usd
CY2022	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod	240000	usd
CY2021	kffb	Unpaid Principal Balance And Recorded Investment UnpaidPrincipalBalanceAndRecordedInvestment	6636000	usd
CY2021	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	6539000	usd
CY2021	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	227000	usd
CY2021	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod	227000	usd
CY2021	kffb	Investment Nonaccrual Loans Past Due Term InvestmentNonaccrualLoansPastDueTerm	P90D
CY2022	kffb	Investment Nonaccrual Loans Past Due Term InvestmentNonaccrualLoansPastDueTerm	P90D
CY2022Q2	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	5531000	usd
CY2022Q2	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	288000	usd
CY2021Q2	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	6412000	usd
CY2021Q2	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	243000	usd
CY2021	kffb	Loans Borrowing Description LoansBorrowingDescription	the year ended June 30, 2021, the Company had two loans, which were associated with a single borrower and were both secured by a single-family residence, restructured as TDRs. The loans were classified as TDRs pursuant to court action under Chapter 7 bankruptcy proceedings without the borrower reaffirming the debt personally. Those two loans were current and totaled $142,000 at June 30, 2021.
CY2020Q4	kffb	Covid19 Pandemic Desription COVID19PandemicDesription	In December 2020, Congress amended the CARES Act through the Consolidated Appropriation Act of 2021, which provided additional COVID-19 relief to American families and businesses, including extending TDR relief under the CARES Act until the earlier of December 31, 2021 or 60 days following the termination of the national emergency. The relief can only be applied to modifications for borrowers that were not more than 30 days past due as of December 31, 2019. The Company elected to adopt these provisions of the CARES Act. In response to the Covid-19 pandemic and the widespread economic downturn that immediately resulted, the Company adopted a loan forbearance plan in which then-current affected borrowers could request deferral of their loan payments for a period of three months. A total of $815,000 in loans were accepted into the plan for the twelve months ended June 30, 2021. At June 30, 2021 all of those loans had reached the end of their three-month deferral date period and returned to regular payment status.
CY2022	kffb	Loan Amount Past Due Description LoanAmountPastDueDescription	At June 30, 2022, the table below includes $161,000 in loans 30-89 days past due and approximately $15,000 of loans past due over 90 days that were acquired with deteriorated credit quality, while at June 30, 2021, the table below includes $96,000 in loans 30-89 days past due and approximately $25,000 of loans past due over 90 days of such loans.
CY2022Q2	us-gaap	Notes Receivable Gross NotesReceivableGross	4325000	usd
CY2022Q2	kffb	Financing Receivable Recorded Investment FinancingReceivableRecordedInvestment	271787000	usd
CY2022Q2	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	276112000	usd
CY2021Q2	us-gaap	Notes Receivable Gross NotesReceivableGross	4278000	usd
CY2021Q2	kffb	Financing Receivable Recorded Investment FinancingReceivableRecordedInvestment	295246000	usd
CY2021Q2	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	299524000	usd
CY2022Q2	us-gaap	Financing Receivable Unamortized Purchase Premium Discount FinancingReceivableUnamortizedPurchasePremiumDiscount	88000	usd
CY2021Q2	us-gaap	Financing Receivable Unamortized Purchase Premium Discount FinancingReceivableUnamortizedPurchasePremiumDiscount	88000	usd
CY2022	kffb	Qualified Thrift Lender Test Description QualifiedThriftLenderTestDescription	Qualified Thrift Lender – Federal regulations require the Banks comply with the Qualified Thrift Lender (“QTL”) test, which requires that 65% of assets be maintained in housing-related finance and other specified assets.
CY2022Q2	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Outstanding Balance CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesOutstandingBalance	400000	usd
CY2021Q2	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Outstanding Balance CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesOutstandingBalance	595000	usd
CY2021Q2	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYield	390000	usd
CY2020Q2	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYield	447000	usd
CY2022	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldAccretion	51000	usd
CY2021	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldAccretion	57000	usd
CY2022Q2	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYield	339000	usd
CY2021Q2	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYield	390000	usd
CY2021Q2	us-gaap	Other Real Estate OtherRealEstate	82000	usd
CY2020Q2	us-gaap	Other Real Estate OtherRealEstate	640000	usd
CY2022	us-gaap	Other Real Estate Improvements OtherRealEstateImprovements	45000	usd
CY2021	us-gaap	Other Real Estate Improvements OtherRealEstateImprovements	358000	usd
CY2021	us-gaap	Other Real Estate Additions OtherRealEstateAdditions	1000	usd
CY2021	us-gaap	Other Real Estate Valuation Adjustments OtherRealEstateValuationAdjustments	19000	usd
CY2022	us-gaap	Other Real Estate Disposals OtherRealEstateDisposals	117000	usd
CY2021	us-gaap	Other Real Estate Disposals OtherRealEstateDisposals	898000	usd
CY2022Q2	us-gaap	Other Real Estate OtherRealEstate	10000	usd
CY2021Q2	us-gaap	Other Real Estate OtherRealEstate	82000	usd
CY2022Q2	us-gaap	Land Land	1516000	usd
CY2021Q2	us-gaap	Land Land	1516000	usd
CY2022Q2	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	6654000	usd
CY2021Q2	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	6536000	usd
CY2022Q2	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	2206000	usd
CY2021Q2	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	2172000	usd
CY2022Q2	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	10376000	usd
CY2021Q2	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	10224000	usd
CY2022Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	5813000	usd
CY2021Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	5527000	usd
CY2022Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4563000	usd
CY2021Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4697000	usd
CY2005Q1	kffb	Goodwill Amount GoodwillAmount	14500000	usd
CY2022Q2	us-gaap	Goodwill Not Allocated Amount GoodwillNotAllocatedAmount	947000	usd
CY2022	kffb	Goodwill Impairment Losses GoodwillImpairmentLosses	13600000	usd
CY2021	kffb	Goodwill Impairment Losses GoodwillImpairmentLosses	13600000	usd
CY2022	us-gaap	Impairment Charge On Reclassified Assets ImpairmentChargeOnReclassifiedAssets	13600000	usd
CY2022Q2	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	1701000	usd
CY2022Q2	us-gaap	Noninterest Bearing Domestic Deposit Checking NoninterestBearingDomesticDepositChecking	15726000	usd
CY2021Q2	us-gaap	Noninterest Bearing Domestic Deposit Checking NoninterestBearingDomesticDepositChecking	13090000	usd
CY2022Q2	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	23902000	usd
CY2021Q2	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	21352000	usd
CY2022Q2	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	62649000	usd
CY2021Q2	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	56576000	usd
CY2022Q2	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	12875000	usd
CY2021Q2	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	10933000	usd
CY2022Q2	kffb	Deposits Excluding Time Deposits DepositsExcludingTimeDeposits	115152000	usd
CY2021Q2	kffb	Deposits Excluding Time Deposits DepositsExcludingTimeDeposits	101951000	usd
CY2022Q2	kffb	Certificates Of Deposit CertificatesOfDeposit	124705000	usd
CY2021Q2	kffb	Certificates Of Deposit CertificatesOfDeposit	124892000	usd
CY2022Q2	us-gaap	Deposits Deposits	239857000	usd
CY2021Q2	us-gaap	Deposits Deposits	226843000	usd
CY2022Q2	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	85324000	usd
CY2022Q2	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	28320000	usd
CY2022Q2	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	8024000	usd
CY2022Q2	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	1336000	usd
CY2022Q2	us-gaap	Time Deposits Noncurrent TimeDepositsNoncurrent	124705000	usd
CY2022Q2	us-gaap	Deposit Assets DepositAssets	250000	usd
CY2021Q2	us-gaap	Deposits Assets DepositsAssets	13100000	usd
CY2021Q2	srt	Mortgage Loans On Real Estate Face Amount Of Mortgages MortgageLoansOnRealEstateFaceAmountOfMortgages	519000	usd
CY2022Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	26680000	usd
CY2022Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From One To Two Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate	3659000	usd
CY2022Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Two To Three Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate	3643000	usd
CY2022Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Three To Four Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate	31000	usd
CY2022Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Four To Five Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate	22000	usd
CY2022Q2	kffb	Federal Home Loan Bank Advances Maturities Summary Due From Five To Six Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFiveToSixYearsOfBalanceSheetDate	16000	usd
CY2022Q2	kffb	Federal Home Loan Bank Advances Maturities Summary Due From Five To Seven Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFiveToSevenYearsOfBalanceSheetDate	11000	usd
CY2022Q2	kffb	Federal Home Loan Bank Advances Maturities Summary Due From Seven To Eight Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromSevenToEightYearsOfBalanceSheetDate	4000	usd
CY2022Q2	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	34066000	usd
CY2022Q2	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Maximum Amount Available FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresMaximumAmountAvailable	96600000	usd
CY2022Q2	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Collateral Pledged1 FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1	5100000	usd
CY2022	kffb	Fed Funds Line Of Credit Amount FedFundsLineOfCreditAmount	2000000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21	pure
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21	pure
CY2022	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	434000	usd
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	456000	usd
CY2022	kffb	Cash Surrender Value Of Life Insurances CashSurrenderValueOfLifeInsurances	-16000	usd
CY2021	kffb	Cash Surrender Value Of Life Insurances CashSurrenderValueOfLifeInsurances	-19000	usd
CY2022	kffb	State Income Taxes StateIncomeTaxes	130000	usd
CY2021	kffb	State Income Taxes StateIncomeTaxes	-83000	usd
CY2022	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-71000	usd
CY2021	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-2000	usd
CY2022	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	477000	usd
CY2021	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	352000	usd
CY2022Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	381000	usd
CY2021Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	405000	usd
CY2022Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	72000	usd
CY2021Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	102000	usd
CY2022Q2	kffb	Deferred Tax Assets Fair Value Accounting Adjustment On Acquisition DeferredTaxAssetsFairValueAccountingAdjustmentOnAcquisition	107000	usd
CY2021Q2	kffb	Deferred Tax Assets Fair Value Accounting Adjustment On Acquisition DeferredTaxAssetsFairValueAccountingAdjustmentOnAcquisition	199000	usd
CY2022Q2	kffb	Deferred Tax Assets Nonaccured Interest On Loans DeferredTaxAssetsNonaccuredInterestOnLoans	107000	usd
CY2021Q2	kffb	Deferred Tax Assets Nonaccured Interest On Loans DeferredTaxAssetsNonaccuredInterestOnLoans	109000	usd
CY2021Q2	kffb	Deferred Tax Assets Other Real Estate Owned Adjustments DeferredTaxAssetsOtherRealEstateOwnedAdjustments	3000	usd
CY2022Q2	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	73000	usd
CY2021Q2	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	42000	usd
CY2022Q2	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	121000	usd
CY2021Q2	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	227000	usd
CY2022Q2	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	861000	usd
CY2021Q2	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	1087000	usd
CY2022Q2	kffb	Deferred Tax Liabilities Federal Home Loan Bank Stock Dividends DeferredTaxLiabilitiesFederalHomeLoanBankStockDividends	981000	usd
CY2021Q2	kffb	Deferred Tax Liabilities Federal Home Loan Bank Stock Dividends DeferredTaxLiabilitiesFederalHomeLoanBankStockDividends	981000	usd
CY2022Q2	kffb	Deferred Tax Liabilities Deferred Loan Origination Costs DeferredTaxLiabilitiesDeferredLoanOriginationCosts	36000	usd
CY2021Q2	kffb	Deferred Tax Liabilities Deferred Loan Origination Costs DeferredTaxLiabilitiesDeferredLoanOriginationCosts	30000	usd
CY2022Q2	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	46000	usd
CY2021Q2	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	37000	usd
CY2022Q2	kffb	Deferred Tax Liabilities Accrual To Cash Adjustment DeferredTaxLiabilitiesAccrualToCashAdjustment	152000	usd
CY2021Q2	kffb	Deferred Tax Liabilities Accrual To Cash Adjustment DeferredTaxLiabilitiesAccrualToCashAdjustment	106000	usd
CY2022Q2	kffb	Fair Value Accounting Adjustment On Acquisition FairValueAccountingAdjustmentOnAcquisition	535000	usd
CY2021Q2	kffb	Fair Value Accounting Adjustment On Acquisition FairValueAccountingAdjustmentOnAcquisition	547000	usd
CY2022Q2	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	1750000	usd
CY2021Q2	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	1701000	usd
CY2022Q2	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	889000	usd
CY2021Q2	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	614000	usd
CY2022	kffb	Loss Carryforward Description LossCarryforwardDescription	The Company has state net operating loss carryforward of $3.1 million, which expires beginning 2031.
CY2022	kffb	Generally Limited Percentage GenerallyLimitedPercentage	0.08	pure
CY2022	kffb	Retained Earnings Not Recognized Federal Income Taxes RetainedEarningsNotRecognizedFederalIncomeTaxes	5200000	usd
CY2022Q2	us-gaap	Deferred Tax Liability Not Recognized Amount Of Unrecognized Deferred Tax Liability Bad Debt Reserve For Tax Purposes Of Qualified Lender DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiabilityBadDebtReserveForTaxPurposesOfQualifiedLender	1300000	usd
CY2022Q2	kffb	Average Total Consolidated Assets AverageTotalConsolidatedAssets	10000000000	usd
CY2022Q2	kffb	Leverage Ratio LeverageRatio	0.09	pure
CY2022	us-gaap	Description Of Factors That May Affect Minimum Net Worth Requirements DescriptionOfFactorsThatMayAffectMinimumNetWorthRequirements	The changes temporarily reduced the minimum ratio from 9% to 8% through the end of 2020 and established a two-quarter grace period for qualifying community banking organizations. The final rule provided for a transition from the temporary 8% CBLR requirement to a 9% requirement by establishing a minimum CBLR of 8.5% for 2021 and 9% thereafter, while maintaining a two-quarter grace period for qualifying community banking organizations whose leverage ratios fall no more than 100 basis points below the applicable CBLR requirement.
CY2015Q1	kffb	Tier One Risk Based Capital Required To Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToWellCapitalizedToRiskWeightedAssets	0.065	pure
CY2015Q1	kffb	Tier One Risk Based Capital To Risk Weighted Asset TierOneRiskBasedCapitalToRiskWeightedAsset	0.08	pure
CY2015Q1	kffb	Capital To Risk Weighted Asset CapitalToRiskWeightedAsset	0.10	pure
CY2015Q1	kffb	Tier One Leverage Capital To Average Asset TierOneLeverageCapitalToAverageAsset	0.05	pure
CY2015Q1	kffb	Banking Regulation Total Risks Based Capital Ratio Undercapitalized Minimum BankingRegulationTotalRisksBasedCapitalRatioUndercapitalizedMinimum	0.025	pure
CY2021Q2	kffb	Tier One Common Equity Capital TierOneCommonEquityCapital	51349000	usd
CY2021Q2	kffb	Tier One Common Equity Capital To Average Assets Ratio TierOneCommonEquityCapitalToAverageAssetsRatio	0.154	pure
CY2021Q2	kffb	Tier One Common Equity Required For Capital Adequacy TierOneCommonEquityRequiredForCapitalAdequacy	28347000	usd
CY2021Q2	kffb	Tier One Common Equity Required For Capital Adequacy To Average Assets Ratio TierOneCommonEquityRequiredForCapitalAdequacyToAverageAssetsRatio	0.085	pure
CY2022	kffb	Dividends Waived DividendsWaived	1900000	usd
CY2022Q2	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	1897000	usd
CY2021Q2	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	2012000	usd
CY2022	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2022	dei	Entity Central Index Key EntityCentralIndexKey	0001297341
CY2022Q2	kffb	Time Deposits In Other Financial Institutions TimeDepositsInOtherFinancialInstitutions		usd
CY2022	us-gaap	Interest And Dividend Income Securities Other InterestAndDividendIncomeSecuritiesOther		usd
CY2022	us-gaap	Real Estate Owned Valuation Allowance Provision1 RealEstateOwnedValuationAllowanceProvision1		usd
CY2022	kffb	Gains On Sales Of Property GainsOnSalesOfProperty		usd
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.22
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax		usd
CY2022	kffb	Amortization Of Purchased Loan Premium AmortizationOfPurchasedLoanPremium		usd
CY2021	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts		usd
CY2022	us-gaap	Impairment Of Investments ImpairmentOfInvestments		usd
CY2022	kffb	Net Loss On Sale Of Property Equipment NetLossOnSaleOfPropertyEquipment		usd
CY2021	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt		usd
CY2022	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment		usd
CY2022	kffb	Additions To Real Estate Owned AdditionsToRealEstateOwned		usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	1590000000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	1820000000	usd
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	8213407	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	8216193	shares
CY2022Q2	us-gaap	Investment In Federal Home Loan Bank Stock Fair Value Disclosure InvestmentInFederalHomeLoanBankStockFairValueDisclosure		usd
CY2021Q2	us-gaap	Investment In Federal Home Loan Bank Stock Fair Value Disclosure InvestmentInFederalHomeLoanBankStockFairValueDisclosure		usd
CY2022	kffb	Principal Disbursed PrincipalDisbursed		usd
CY2021	kffb	Principal Disbursed PrincipalDisbursed		usd
CY2022	kffb	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method1 ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod1		usd
CY2022	us-gaap	Other Real Estate Additions OtherRealEstateAdditions		usd
CY2022	us-gaap	Other Real Estate Valuation Adjustments OtherRealEstateValuationAdjustments		usd
CY2022Q2	srt	Mortgage Loans On Real Estate Face Amount Of Mortgages MortgageLoansOnRealEstateFaceAmountOfMortgages		usd
CY2022	dei	Amendment Flag AmendmentFlag	false

Files In Submission

Name	View Source	Status
0001213900-22-059709-index-headers.html	Edgar Link	pending
0001213900-22-059709-index.html	Edgar Link	pending
0001213900-22-059709.txt	Edgar Link	pending
0001213900-22-059709-xbrl.zip	Edgar Link	pending
ex13_001.jpg	Edgar Link	pending
ex13_002.jpg	Edgar Link	pending
ex13_003.jpg	Edgar Link	pending
f10k2022ex13_kentuckyfirst.htm	Edgar Link	pending
f10k2022ex21_kentuckyfirst.htm	Edgar Link	pending
f10k2022ex31-1_kentuckyfirst.htm	Edgar Link	pending
f10k2022ex31-2_kentuckyfirst.htm	Edgar Link	pending
f10k2022ex32_kentuckyfirst.htm	Edgar Link	pending
f10k2022_kentuckyfirst.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
image_001.jpg	Edgar Link	pending
kffb-20220630.xsd	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
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R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
kffb-20220630_cal.xml	Edgar Link	unprocessable
kffb-20220630_lab.xml	Edgar Link	unprocessable
kffb-20220630_pre.xml	Edgar Link	unprocessable
f10k2022_kentuckyfirst_htm.xml	Edgar Link	completed
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
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R44.htm	Edgar Link	pending
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R71.htm	Edgar Link	pending
R72.htm	Edgar Link	pending
R73.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending
kffb-20220630_def.xml	Edgar Link	unprocessable

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$KFFB
Kentucky First Federal Bancorp Stock $kffb

2022 Q3 Form 10-K Financial Statement

#000121390022059709 Filed on September 28, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$KFFB Kentucky First Federal Bancorp Stock $kffb

2022 Q3 Form 10-K Financial Statement

#000121390022059709 Filed on September 28, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$KFFB
Kentucky First Federal Bancorp Stock $kffb