$KFFB
Kentucky First Federal Bancorp Stock $kffb

$kffb Overview Financials Valuation SEC Filings Company Website

2023 Q3 Form 10-K Financial Statement

#000121390023080514 Filed on September 28, 2023

Income Statement

Concept	2023 Q3	2023 Q2	2023
Revenue			$12.76M
YoY Change			16.9%
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	$59.00K	$60.00K	$255.0K
YoY Change	-13.24%	-34.07%	-10.53%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$2.064M		$3.902M
YoY Change	355.63%		122.46%
% of Operating Profit
Other Income/Expense, Net	-$17.00K		$8.856M
YoY Change			-3.32%
Pretax Income	-$244.0K	$50.00K	$1.227M
YoY Change	-149.9%	-83.82%	-40.64%
Income Tax	-$69.00K	$10.00K	$294.0K
% Of Pretax Income		20.0%	23.96%
Net Earnings	-$175.0K	$40.00K	$933.0K
YoY Change	-146.92%	-80.58%	-41.32%
Net Earnings / Revenue			7.31%
Basic Earnings Per Share	-$0.02		$0.11
Diluted Earnings Per Share	-$0.02	$0.01	$0.11
COMMON SHARES
Basic Shares Outstanding	8.087M shares	8.098M shares	8.132M shares
Diluted Shares Outstanding	8.099M shares		8.132M shares

Balance Sheet

Concept	2023 Q3	2023 Q2	2023
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$12.59M	$8.167M
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	$4.397M	$4.435M	$4.400M
YoY Change	-3.66%	-2.81%	-3.57%
Goodwill	$947.0K	$947.0K
YoY Change	0.0%	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	$356.8M	$349.0M	$349.0M
YoY Change	7.82%	6.38%	6.38%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$164.0K	$100.0K	$100.0K
YoY Change	1390.91%	733.33%	733.33%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$164.0K	$100.0K	$100.0K
YoY Change	1390.91%	733.33%	733.33%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$1.797M	$1.300M	$1.300M
YoY Change	11.61%	-39.02%	-39.02%
Total Long-Term Liabilities	$1.797M	$1.300M	$1.300M
YoY Change	11.61%	-39.02%	-39.02%
TOTAL LIABILITIES
Total Short-Term Liabilities	$164.0K	$100.0K	$100.0K
Total Long-Term Liabilities	$1.797M	$1.300M	$1.300M
Total Liabilities	$307.1M	$298.3M	$298.3M
YoY Change	9.97%	8.06%	8.06%
SHAREHOLDERS EQUITY
Retained Earnings	$19.21M	$20.13M
YoY Change	-6.73%	-2.09%
Common Stock	$86.00K	$86.00K
YoY Change	0.0%	-99.75%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$3.969M	$3.969M
YoY Change	13.14%	13.14%
Treasury Stock Shares
Shareholders Equity	$49.65M	$50.71M	$50.70M
YoY Change
Total Liabilities & Shareholders Equity	$356.8M	$349.0M	$349.0M
YoY Change	7.82%	6.38%	6.38%

Cashflow Statement

Concept	2023 Q3	2023 Q2	2023
OPERATING ACTIVITIES
Net Income	-$175.0K	$40.00K	$933.0K
YoY Change	-146.92%	-80.58%	-41.32%
Depreciation, Depletion And Amortization	$59.00K	$60.00K	$255.0K
YoY Change	-13.24%	-34.07%	-10.53%
Cash From Operating Activities	-$570.0K	$150.0K	$1.152M
YoY Change	-230.73%	-89.98%	-56.38%
INVESTING ACTIVITIES
Capital Expenditures	$21.00K	$10.00K	$130.0K
YoY Change	-69.57%	-141.67%	-186.09%
Acquisitions
YoY Change
Other Investing Activities	-$3.524M	-$6.060M	-$39.36M
YoY Change	-82.95%	-61.2%	-391.9%
Cash From Investing Activities	-$3.545M	-$6.060M	-$39.48M
YoY Change	-82.9%	-61.26%	-396.14%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	$8.534M	6.000M	$20.68M
YoY Change	174.58%	-198.49%	-275.24%
NET CHANGE
Cash From Operating Activities	-$570.0K	150.0K	$1.152M
Cash From Investing Activities	-$3.545M	-6.060M	-$39.48M
Cash From Financing Activities	$8.534M	6.000M	$20.68M
Net Change In Cash	$4.419M	90.00K	-$17.66M
YoY Change	-125.71%	-100.44%	-522.9%
FREE CASH FLOW
Cash From Operating Activities	-$570.0K	$150.0K	$1.152M
Capital Expenditures	$21.00K	$10.00K	$130.0K
Free Cash Flow	-$591.0K	$140.0K	$1.022M
YoY Change	-261.04%	-90.8%	-63.4%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2023	us-gaap	Other Real Estate Disposals OtherRealEstateDisposals		usd
CY2023Q2	kffb	Federal Home Loan Bank Advances Maturities Summary Due From Seven To Eight Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromSevenToEightYearsOfBalanceSheetDate		usd
CY2023	dei	Document Type DocumentType	10-K
CY2023	dei	Document Annual Report DocumentAnnualReport	true
CY2023	dei	Document Period End Date DocumentPeriodEndDate	2023-06-30
CY2023	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--06-30
CY2023	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023	dei	Document Transition Report DocumentTransitionReport	false
CY2023	dei	Entity File Number EntityFileNumber	0-51176
CY2023	dei	Entity Registrant Name EntityRegistrantName	KENTUCKY FIRST FEDERAL BANCORP
CY2023	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	X1
CY2023	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	61-1484858
CY2023	dei	Entity Address Address Line1 EntityAddressAddressLine1	655 Main Street
CY2023	dei	Entity Address City Or Town EntityAddressCityOrTown	Hazard
CY2023	dei	Entity Address State Or Province EntityAddressStateOrProvince	KY
CY2023	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	41702
CY2023	dei	City Area Code CityAreaCode	(502)
CY2023	dei	Local Phone Number LocalPhoneNumber	223-1638
CY2023	dei	Security12b Title Security12bTitle	Common Stock, $0.01 par value per share
CY2023	dei	Trading Symbol TradingSymbol	KFFB
CY2023	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2023	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2023	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2023	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2023	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2023	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
CY2023	dei	Entity Small Business EntitySmallBusiness	true
CY2023	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2023	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	false
CY2023	dei	Document Fin Stmt Error Correction Flag DocumentFinStmtErrorCorrectionFlag	false
CY2023	dei	Entity Shell Company EntityShellCompany	false
CY2022Q4	dei	Entity Public Float EntityPublicFloat	20200000	usd
CY2023Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	8086715	shares
CY2023	dei	Auditor Name AuditorName	FORVIS, LLP
CY2023	dei	Auditor Location AuditorLocation	Louisville, KY
CY2023	dei	Auditor Firm AuditorFirmId	686
CY2023Q2	us-gaap	Cash And Due From Banks CashAndDueFromBanks	2284000	usd
CY2022Q2	us-gaap	Cash And Due From Banks CashAndDueFromBanks	2002000	usd
CY2023Q2	us-gaap	Federal Funds Sold FederalFundsSold	665000	usd
CY2022Q2	us-gaap	Federal Funds Sold FederalFundsSold	14824000	usd
CY2023Q2	kffb	Interest Bearing Demand Deposits InterestBearingDemandDeposits	5218000	usd
CY2022Q2	kffb	Interest Bearing Demand Deposits InterestBearingDemandDeposits	8997000	usd
CY2023Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	8167000	usd
CY2022Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	25823000	usd
CY2023Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	12080000	usd
CY2022Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	10477000	usd
CY2023Q2	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	259000	usd
CY2022Q2	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	323000	usd
CY2023Q2	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	274000	usd
CY2022Q2	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	339000	usd
CY2022Q2	kffb	Loans Available For Sale LoansAvailableForSale	152000	usd
CY2023Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	1634000	usd
CY2022Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	1529000	usd
CY2023Q2	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	313807000	usd
CY2022Q2	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	274583000	usd
CY2023Q2	us-gaap	Other Real Estate OtherRealEstate	70000	usd
CY2022Q2	us-gaap	Other Real Estate OtherRealEstate	10000	usd
CY2023Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4435000	usd
CY2022Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4563000	usd
CY2023Q2	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	4623000	usd
CY2022Q2	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	6498000	usd
CY2023Q2	us-gaap	Interest Receivable InterestReceivable	902000	usd
CY2022Q2	us-gaap	Interest Receivable InterestReceivable	649000	usd
CY2023Q2	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	2831000	usd
CY2022Q2	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	2750000	usd
CY2023Q2	us-gaap	Goodwill Goodwill	947000	usd
CY2022Q2	us-gaap	Goodwill Goodwill	947000	usd
CY2023Q2	us-gaap	Prepaid Taxes PrepaidTaxes	144000	usd
CY2022Q2	us-gaap	Prepaid Taxes PrepaidTaxes	382000	usd
CY2023Q2	us-gaap	Prepaid Expense And Other Assets Noncurrent PrepaidExpenseAndOtherAssetsNoncurrent	742000	usd
CY2022Q2	us-gaap	Prepaid Expense And Other Assets Noncurrent PrepaidExpenseAndOtherAssetsNoncurrent	907000	usd
CY2023Q2	us-gaap	Assets Assets	349022000	usd
CY2022Q2	us-gaap	Assets Assets	328080000	usd
CY2023Q2	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	57593000	usd
CY2022Q2	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	75524000	usd
CY2023Q2	kffb	Certificates Of Deposit CertificatesOfDeposit	137315000	usd
CY2022Q2	kffb	Certificates Of Deposit CertificatesOfDeposit	124705000	usd
CY2023Q2	us-gaap	Demand Deposit Accounts DemandDepositAccounts	31401000	usd
CY2022Q2	us-gaap	Demand Deposit Accounts DemandDepositAccounts	39628000	usd
CY2023Q2	us-gaap	Deposits Deposits	226309000	usd
CY2022Q2	us-gaap	Deposits Deposits	239857000	usd
CY2023Q2	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	70087000	usd
CY2022Q2	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	34066000	usd
CY2023Q2	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	793000	usd
CY2022Q2	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	766000	usd
CY2023Q2	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	70000	usd
CY2022Q2	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	12000	usd
CY2023Q2	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	513000	usd
CY2022Q2	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	889000	usd
CY2023Q2	us-gaap	Other Liabilities OtherLiabilities	539000	usd
CY2022Q2	us-gaap	Other Liabilities OtherLiabilities	465000	usd
CY2023Q2	us-gaap	Liabilities Liabilities	298311000	usd
CY2022Q2	us-gaap	Liabilities Liabilities	276055000	usd
CY2023Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	500000	shares
CY2022Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	500000	shares
CY2023Q2	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2022Q2	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2023Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	20000000	shares
CY2022Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	20000000	shares
CY2023Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2023Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	8596064	shares
CY2022Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	8596064	shares
CY2023Q2	us-gaap	Common Stock Value CommonStockValue	86000	usd
CY2022Q2	us-gaap	Common Stock Value CommonStockValue	86000	usd
CY2023Q2	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	34891000	usd
CY2022Q2	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	34892000	usd
CY2023Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	20130000	usd
CY2022Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	20560000	usd
CY2023Q2	kffb	Unearned Employees Stock Ownership Plan Esop Shares UnearnedEmployeesStockOwnershipPlanESOPShares	0	shares
CY2022Q2	kffb	Unearned Employees Stock Ownership Plan Esop Shares UnearnedEmployeesStockOwnershipPlanESOPShares	458	shares
CY2022Q2	us-gaap	Employee Stock Ownership Plan Esop Deferred Shares EmployeeStockOwnershipPlanESOPDeferredShares	5000	usd
CY2023Q2	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	509349	shares
CY2022Q2	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	441369	shares
CY2023Q2	us-gaap	Treasury Stock Value TreasuryStockValue	3969000	usd
CY2022Q2	us-gaap	Treasury Stock Value TreasuryStockValue	3508000	usd
CY2023Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-427000	usd
CY2023Q2	us-gaap	Stockholders Equity StockholdersEquity	50711000	usd
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	52025000	usd
CY2023Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	349022000	usd
CY2022Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	328080000	usd
CY2023	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	11812000	usd
CY2022	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	10659000	usd
CY2023	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	453000	usd
CY2022	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	23000	usd
CY2023	us-gaap	Interest Income Domestic Deposits InterestIncomeDomesticDeposits	493000	usd
CY2022	us-gaap	Interest Income Domestic Deposits InterestIncomeDomesticDeposits	232000	usd
CY2023	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	12758000	usd
CY2022	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	10914000	usd
CY2023	us-gaap	Interest Expense Deposits InterestExpenseDeposits	1811000	usd
CY2022	us-gaap	Interest Expense Deposits InterestExpenseDeposits	1387000	usd
CY2023	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	2091000	usd
CY2022	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	367000	usd
CY2023	us-gaap	Interest Expense InterestExpense	3902000	usd
CY2022	us-gaap	Interest Expense InterestExpense	1754000	usd
CY2023	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	8856000	usd
CY2022	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	9160000	usd
CY2023	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	113000	usd
CY2022	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-60000	usd
CY2023	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	8743000	usd
CY2022	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	9220000	usd
CY2023	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	81000	usd
CY2022	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	78000	usd
CY2023	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	5000	usd
CY2022	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	255000	usd
CY2022	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-35000	usd
CY2023	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	10000	usd
CY2023	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	206000	usd
CY2022	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	217000	usd
CY2023	us-gaap	Noninterest Income NoninterestIncome	302000	usd
CY2022	us-gaap	Noninterest Income NoninterestIncome	515000	usd
CY2023	us-gaap	Labor And Related Expense LaborAndRelatedExpense	4915000	usd
CY2022	us-gaap	Labor And Related Expense LaborAndRelatedExpense	4853000	usd
CY2023	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	518000	usd
CY2022	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	545000	usd
CY2023	kffb	Occupancy And Equipment OccupancyAndEquipment	610000	usd
CY2022	kffb	Occupancy And Equipment OccupancyAndEquipment	632000	usd
CY2023	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	117000	usd
CY2022	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	71000	usd
CY2023	kffb	Voice And Data Communications VoiceAndDataCommunications	124000	usd
CY2022	kffb	Voice And Data Communications VoiceAndDataCommunications	123000	usd
CY2023	us-gaap	Advertising Expense AdvertisingExpense	151000	usd
CY2022	us-gaap	Advertising Expense AdvertisingExpense	135000	usd
CY2023	kffb	Outside Service Fee OutsideServiceFee	242000	usd
CY2022	kffb	Outside Service Fee OutsideServiceFee	166000	usd
CY2023	us-gaap	Professional Fees ProfessionalFees	213000	usd
CY2022	us-gaap	Professional Fees ProfessionalFees	216000	usd
CY2023	us-gaap	Taxes Other TaxesOther	136000	usd
CY2022	us-gaap	Taxes Other TaxesOther	150000	usd
CY2023	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	103000	usd
CY2022	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	101000	usd
CY2023	kffb	Regulatory Assessments RegulatoryAssessments	81000	usd
CY2022	kffb	Regulatory Assessments RegulatoryAssessments	103000	usd
CY2023	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-608000	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-573000	usd
CY2023	us-gaap	Noninterest Expense NoninterestExpense	7818000	usd
CY2022	us-gaap	Noninterest Expense NoninterestExpense	7668000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1227000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	2067000	usd
CY2023	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	528000	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	202000	usd
CY2023	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-234000	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	275000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	294000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	477000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	933000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	1590000	usd
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.11
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.19
CY2023	us-gaap	Net Income Loss NetIncomeLoss	933000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	1590000	usd
CY2023	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-142000	usd
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	0	usd
CY2023	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-427000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	506000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1590000	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
CY2023	us-gaap	Net Income Loss NetIncomeLoss	933000	usd
CY2023	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Employee Stock Purchase Program Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationEmployeeStockPurchaseProgramRequisiteServicePeriodRecognition	4000	usd
CY2023	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	461000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-427000	usd
CY2023	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.4
CY2023	us-gaap	Adjustments To Additional Paid In Capital Dividends In Excess Of Retained Earnings AdjustmentsToAdditionalPaidInCapitalDividendsInExcessOfRetainedEarnings	-1363000	usd
CY2023Q2	us-gaap	Stockholders Equity StockholdersEquity	50711000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	933000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	1590000	usd
CY2023	us-gaap	Depreciation Depreciation	255000	usd
CY2022	us-gaap	Depreciation Depreciation	285000	usd
CY2023	kffb	Accretion Of Purchased Loan Discount AccretionOfPurchasedLoanDiscount	45000	usd
CY2022	kffb	Accretion Of Purchased Loan Discount AccretionOfPurchasedLoanDiscount	50000	usd
CY2023	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	-29000	usd
CY2022	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	6000	usd
CY2023	kffb	Amortization Of Deferred Loan Origination Costsfees AmortizationOfDeferredLoanOriginationCostsfees	17000	usd
CY2022	kffb	Amortization Of Deferred Loan Origination Costsfees AmortizationOfDeferredLoanOriginationCostsfees	98000	usd
CY2023	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	5000	usd
CY2022	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	255000	usd
CY2022	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	-35000	usd
CY2023	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	4000	usd
CY2022	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	73000	usd
CY2023	kffb	Net Loss On Sale Of Property Equipment NetLossOnSaleOfPropertyEquipment	-10000	usd
CY2023	kffb	Earnings On Bank Owned Life Insurance EarningsOnBankOwnedLifeInsurance	81000	usd
CY2022	kffb	Earnings On Bank Owned Life Insurance EarningsOnBankOwnedLifeInsurance	78000	usd
CY2023	kffb	Provision For Loan Losses ProvisionForLoanLosses	113000	usd
CY2022	kffb	Provision For Loan Losses ProvisionForLoanLosses	-60000	usd
CY2023	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	157000	usd
CY2022	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	4789000	usd
CY2023	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	314000	usd
CY2022	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	6199000	usd
CY2023	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	234000	usd
CY2022	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-275000	usd
CY2023	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	253000	usd
CY2022	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-45000	usd
CY2023	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-232000	usd
CY2022	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	415000	usd
CY2023	kffb	Increase Decrease In Accrued Interest Payable IncreaseDecreaseInAccruedInterestPayable	-58000	usd
CY2022	kffb	Increase Decrease In Accrued Interest Payable IncreaseDecreaseInAccruedInterestPayable	8000	usd
CY2023	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	74000	usd
CY2022	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	-114000	usd
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1152000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2641000	usd
CY2023	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	4974000	usd
CY2022	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	10449000	usd
CY2023	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	472000	usd
CY2022	us-gaap	Proceeds From Sale And Maturity Of Other Investments ProceedsFromSaleAndMaturityOfOtherInvestments	247000	usd
CY2023	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	61000	usd
CY2022	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	118000	usd
CY2023	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	2836000	usd
CY2022	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	4000	usd
CY2023	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	2347000	usd
CY2023	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	180000	usd
CY2023	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	39335000	usd
CY2022	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	-23514000	usd
CY2022	kffb	Additions To Real Estate Owned AdditionsToRealEstateOwned	-50000	usd
CY2023	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	127000	usd
CY2022	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	151000	usd
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-39484000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	13333000	usd
CY2023	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-13548000	usd
CY2022	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	13014000	usd
CY2023	us-gaap	Increase Decrease In Advance Payments By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance	27000	usd
CY2022	us-gaap	Increase Decrease In Advance Payments By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance	-72000	usd
CY2023	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	135300000	usd
CY2022	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	9000000	usd
CY2023	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	99279000	usd
CY2022	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	31807000	usd
CY2023	kffb	Proceed From Sale Of Treasury Stock ProceedFromSaleOfTreasuryStock	461000	usd
CY2022	kffb	Proceed From Sale Of Treasury Stock ProceedFromSaleOfTreasuryStock	540000	usd
CY2023	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	1363000	usd
CY2022	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	1394000	usd
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	20676000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-11799000	usd
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-17656000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	4175000	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
CY2023Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	8167000	usd
CY2022Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	25823000	usd
CY2023	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	290000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	550000	usd
CY2023	us-gaap	Interest Paid Net InterestPaidNet	3844000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	1762000	usd
CY2023	kffb	Transfers From Loans To Real Estate Acquired Through Foreclosure Net TransfersFromLoansToRealEstateAcquiredThroughForeclosureNet	60000	usd
CY2022	kffb	Transfers From Loans To Real Estate Acquired Through Foreclosure Net TransfersFromLoansToRealEstateAcquiredThroughForeclosureNet	45000	usd
CY2022	kffb	Loans Made On Sale Of Real Estate Acquired Through Foreclosure LoansMadeOnSaleOfRealEstateAcquiredThroughForeclosure	32000	usd
CY2023	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>
CY2023	kffb	Allocated Shares AllocatedShares	110660	shares
CY2022	kffb	Allocated Shares AllocatedShares	117065	shares
CY2022	kffb	Shares Committed To Be Released SharesCommittedToBeReleased	463	shares
CY2022Q2	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	0	usd
CY2023Q2	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	152000	usd
CY2023	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	14000	usd
CY2022	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	20000	usd
CY2023Q2	us-gaap	Deferred Compensation Share Based Arrangements Liability Current DeferredCompensationShareBasedArrangementsLiabilityCurrent	174000	usd
CY2022Q2	us-gaap	Deferred Compensation Share Based Arrangements Liability Current DeferredCompensationShareBasedArrangementsLiabilityCurrent	186000	usd
CY2023	kffb	Servicing Mortgage Loans ServicingMortgageLoans	21700000	usd
CY2022	kffb	Servicing Mortgage Loans ServicingMortgageLoans	23200000	usd
CY2023	kffb	Servicing Fee ServicingFee	42000	usd
CY2022	kffb	Servicing Fee ServicingFee	42000	usd
CY2023	kffb	Mortgage Loan Fixed Term MortgageLoanFixedTerm	P30Y
CY2023	kffb	Private Mortgage Insurance Percentage PrivateMortgageInsurancePercentage	0.95	pure
CY2023	kffb	Other Fair Valiue Programs Offered Percentage OtherFairValiueProgramsOfferedPercentage	0.90	pure
CY2023	kffb	Appraised Value Percentage AppraisedValuePercentage	0.80	pure
CY2023	kffb	Loans Originated LoansOriginated	P25Y
CY2023	kffb	Nonresidential Loan Percentage NonresidentialLoanPercentage	0.80	pure
CY2023	kffb	Equity Loans Percentage EquityLoansPercentage	0.90	pure
CY2023Q2	kffb	Interest Bear Percentgae InterestBearPercentgae	0.90	pure
CY2022	kffb	Unearned Shares UnearnedShares	461	shares
CY2023	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	110660	shares
CY2022	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	117989	shares
CY2022Q2	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	4000000	usd
CY2022Q2	us-gaap	Assets Designated To Closed Block Fixed Maturity Available For Sale At Fair Value AssetsDesignatedToClosedBlockFixedMaturityAvailableForSaleAtFairValue	161000	usd
CY2022Q3	kffb	Sale Of Proparty SaleOfProparty	180000	usd
CY2023	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.50	pure
CY2022	us-gaap	Multiemployer Plan Employer Contribution Cost MultiemployerPlanEmployerContributionCost	142400000	usd
CY2021	us-gaap	Multiemployer Plan Employer Contribution Cost MultiemployerPlanEmployerContributionCost	248600000	usd
CY2023	us-gaap	Other Expenses OtherExpenses	353000	usd
CY2022	us-gaap	Other Expenses OtherExpenses	375000	usd
CY2021Q3	kffb	Funding Target Percentage FundingTargetPercentage	0.8714	pure
CY2023Q2	us-gaap	Deferred Compensation Liability Current DeferredCompensationLiabilityCurrent	0	usd
CY2022Q2	us-gaap	Deferred Compensation Liability Current DeferredCompensationLiabilityCurrent	4000	usd
CY2022Q2	us-gaap	Employee Stock Ownership Plan Esop Debt Structure Direct Loan Amount EmployeeStockOwnershipPlanESOPDebtStructureDirectLoanAmount	14000	usd
CY2023	kffb	Employee Stock Ownership Plan Esop Compensation Expenses EmployeeStockOwnershipPlanESOPCompensationExpenses	4000	usd
CY2022	kffb	Employee Stock Ownership Plan Esop Compensation Expenses EmployeeStockOwnershipPlanESOPCompensationExpenses	73000	usd
CY2023Q2	us-gaap	Employee Stock Ownership Plan Esop Number Of Allocated Shares EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares	226313	shares
CY2022Q2	us-gaap	Employee Stock Ownership Plan Esop Number Of Allocated Shares EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares	218894	shares
CY2023	us-gaap	Employee Stock Ownership Plan Esop Cash Contributions To Esop EmployeeStockOwnershipPlanESOPCashContributionsToESOP	14000	usd
CY2022	us-gaap	Employee Stock Ownership Plan Esop Cash Contributions To Esop EmployeeStockOwnershipPlanESOPCashContributionsToESOP	280000	usd
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	933000000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1590000000	usd
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.11
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.19
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	8131568	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	8213407	shares
CY2023Q2	us-gaap	Disposal Group Including Discontinued Operation Cash And Cash Equivalents DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents	8167000	usd
CY2023	kffb	Availableforsale Securities AvailableforsaleSecurities	12080000	usd
CY2023Q2	kffb	Heldtomaturity Securities1 HeldtomaturitySecurities1	259000	usd
CY2023Q2	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	293530000	usd
CY2023	us-gaap	Accounts Receivable Noncurrent Accrued Interest Writeoff AccountsReceivableNoncurrentAccruedInterestWriteoff	902000	usd
CY2023Q2	kffb	Deposit Deposit	225571000	usd
CY2023Q2	us-gaap	Federal Home Loan Bank Borrowings Fair Value Disclosure FederalHomeLoanBankBorrowingsFairValueDisclosure	69863000	usd
CY2023Q2	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	793000	usd
CY2023Q2	us-gaap	Accounts Payable And Accrued Liabilities Fair Value Disclosure AccountsPayableAndAccruedLiabilitiesFairValueDisclosure	70000	usd
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
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	kffb	Outstanding Principal Amount OutstandingPrincipalAmount	688000	usd
CY2021Q2	kffb	Outstanding Principal Amount OutstandingPrincipalAmount	1405000	usd
CY2023	kffb	Principal Repaid And Refinanced PrincipalRepaidAndRefinanced	-208000	usd
CY2022	kffb	Principal Repaid And Refinanced PrincipalRepaidAndRefinanced	-717000	usd
CY2023Q2	kffb	Outstanding Principal Amount OutstandingPrincipalAmount	480000	usd
CY2022Q2	kffb	Outstanding Principal Amount OutstandingPrincipalAmount	688000	usd
CY2023Q2	us-gaap	Allowance For Loan And Lease Losses Real Estate AllowanceForLoanAndLeaseLossesRealEstate	500000	usd
CY2022Q2	us-gaap	Allowance For Loan And Lease Losses Real Estate AllowanceForLoanAndLeaseLossesRealEstate	900000	usd
CY2022Q2	kffb	Loans Receivable Commercial Non Mortgage LoansReceivableCommercialNonMortgage	1006000	usd
CY2023Q2	kffb	Loans And Leases Receivable Loans On Deposits LoansAndLeasesReceivableLoansOnDeposits	855000	usd
CY2022Q2	kffb	Loans And Leases Receivable Loans On Deposits LoansAndLeasesReceivableLoansOnDeposits	891000	usd
CY2023Q2	kffb	Loans And Leases Receivables Consumer Home Equity LoansAndLeasesReceivablesConsumerHomeEquity	9217000	usd
CY2022Q2	kffb	Loans And Leases Receivables Consumer Home Equity LoansAndLeasesReceivablesConsumerHomeEquity	7670000	usd
CY2023Q2	kffb	Loans And Leases Receivable Automobile LoansAndLeasesReceivableAutomobile	104000	usd
CY2022Q2	kffb	Loans And Leases Receivable Automobile LoansAndLeasesReceivableAutomobile	117000	usd
CY2023Q2	kffb	Availablefor Sale Mortgage Backed Securities AvailableforSaleMortgageBackedSecurities	12080000	usd
CY2023Q2	us-gaap	Debt Securities Available For Sale Unrealized Gain Loss DebtSecuritiesAvailableForSaleUnrealizedGainLoss	569000	usd
CY2023Q2	us-gaap	Mortgage Backed Securities Held To Maturity Fair Value Disclosure MortgageBackedSecuritiesHeldToMaturityFairValueDisclosure	274000	usd
CY2023Q2	us-gaap	Held To Maturity Securities Transferred Security Unrealized Gain Loss HeldToMaturitySecuritiesTransferredSecurityUnrealizedGainLoss	15000	usd
CY2022Q2	us-gaap	Mortgage Backed Securities Held To Maturity Fair Value Disclosure MortgageBackedSecuritiesHeldToMaturityFairValueDisclosure	40000	usd
CY2022Q2	kffb	Gross Unrealized Losses GrossUnrealizedLosses	3000	usd
CY2022Q2	us-gaap	Held To Maturity Securities Transferred Security Unrealized Gain Loss HeldToMaturitySecuritiesTransferredSecurityUnrealizedGainLoss	202000	usd
CY2022Q2	us-gaap	Debt Securities Available For Sale Unrealized Gain Loss DebtSecuritiesAvailableForSaleUnrealizedGainLoss	15000	usd
CY2023Q2	kffb	Unrealized Loss Securities Percentage UnrealizedLossSecuritiesPercentage	1	pure
CY2022Q2	kffb	Unrealized Loss Securities Percentage UnrealizedLossSecuritiesPercentage	0.024	pure
CY2023Q2	kffb	Pledged Securities PledgedSecurities	5900000	usd
CY2022Q2	kffb	Pledged Securities PledgedSecurities	1700000	usd
CY2023Q2	us-gaap	Securities Held As Collateral At Fair Value SecuritiesHeldAsCollateralAtFairValue	1500000	usd
CY2022Q2	us-gaap	Securities Held As Collateral At Fair Value SecuritiesHeldAsCollateralAtFairValue	1500000	usd
CY2023Q2	kffb	Loans And Leases Receivable One To Four Family LoansAndLeasesReceivableOneToFourFamily	240076000	usd
CY2022Q2	kffb	Loans And Leases Receivable One To Four Family LoansAndLeasesReceivableOneToFourFamily	216432000	usd
CY2023Q2	kffb	Loans And Leases Receivable Multifamily LoansAndLeasesReceivableMultifamily	19067000	usd
CY2022Q2	kffb	Loans And Leases Receivable Multifamily LoansAndLeasesReceivableMultifamily	14252000	usd
CY2023Q2	kffb	Loans And Leases Receivable Consumers Construction LoansAndLeasesReceivableConsumersConstruction	12294000	usd
CY2022Q2	kffb	Loans And Leases Receivable Consumers Construction LoansAndLeasesReceivableConsumersConstruction	1363000	usd
CY2023Q2	kffb	Loans Receivable Commercial Land LoansReceivableCommercialLand	470000	usd
CY2022Q2	kffb	Loans Receivable Commercial Land LoansReceivableCommercialLand	1062000	usd
CY2023Q2	kffb	Loans Receivable Commercial Agriculturals LoansReceivableCommercialAgriculturals	1346000	usd
CY2022Q2	kffb	Loans Receivable Commercial Agriculturals LoansReceivableCommercialAgriculturals	1338000	usd
CY2023Q2	kffb	Loans Receivable Commercial Real Estates LoansReceivableCommercialRealEstates	30217000	usd
CY2022Q2	kffb	Loans Receivable Commercial Real Estates LoansReceivableCommercialRealEstates	31441000	usd
CY2023Q2	kffb	Loans Receivable Commercial Non Mortgage LoansReceivableCommercialNonMortgage	1184000	usd
CY2023Q2	kffb	Loans And Leases Receivable Unsecured LoansAndLeasesReceivableUnsecured	611000	usd
CY2022Q2	kffb	Loans And Leases Receivable Unsecured LoansAndLeasesReceivableUnsecured	540000	usd
CY2023Q2	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	315441000	usd
CY2022Q2	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	276112000	usd
CY2023Q2	kffb	Loans And Leases Receivable Allowances LoansAndLeasesReceivableAllowances	1634000	usd
CY2022Q2	kffb	Loans And Leases Receivable Allowances LoansAndLeasesReceivableAllowances	1529000	usd
CY2023Q2	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	313807000	usd
CY2022Q2	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	274583000	usd
CY2023	kffb	Net Deferred Loan Fees NetDeferredLoanFees	330000	usd
CY2022	kffb	Net Deferred Loan Fees NetDeferredLoanFees	290000	usd
CY2023Q2	us-gaap	Notes Receivable Net NotesReceivableNet	196000	usd
CY2022Q2	us-gaap	Notes Receivable Net NotesReceivableNet	400000	usd
CY2023	kffb	Unpaid Principal Balance And Recorded Investment UnpaidPrincipalBalanceAndRecordedInvestment	5013000	usd
CY2023	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	5319000	usd
CY2023	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	268000	usd
CY2023	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod	268000	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
CY2022	kffb	Investment Nonaccrual Loans Past Due Term InvestmentNonaccrualLoansPastDueTerm	P90D
CY2023	kffb	Investment Nonaccrual Loans Past Due Term InvestmentNonaccrualLoansPastDueTerm	P90D
CY2023Q2	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	4308000	usd
CY2023Q2	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	393000	usd
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
CY2023	kffb	Loans Borrowing Description LoansBorrowingDescription	the year ended June 30, 2023 and 2022, the Company had no loans restructured as TDRs.
CY2023	kffb	Loan Amount Past Due Description LoanAmountPastDueDescription	At June 30, 2023, the table below includes $68,000 in loans 30-89 days past due and approximately $58,000 of loans past due over 90 days that were acquired with deteriorated credit quality, while 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 of such loans.
CY2023Q2	us-gaap	Notes Receivable Gross NotesReceivableGross	6071000	usd
CY2023Q2	kffb	Financing Receivable Recorded Investment FinancingReceivableRecordedInvestment	309370000	usd
CY2023Q2	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	315441000	usd
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
CY2023	kffb	Schedul Certain Loans Acquiredin Transfer Accounted For As Debt Securities Table Text Blocke Of Purchased Credit Impaired Loans SchedulCertainLoansAcquiredinTransferAccountedForAsDebtSecuritiesTableTextBlockeOfPurchasedCreditImpairedLoans	The carrying amount of those loans, net of a purchase credit discount of $88,000 and $88,000, at June 30, 2023 and 2022, respectively, was as follows:<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="vertical-align: bottom"> <td style="border-bottom: Black 1.5pt solid; font-weight: bold">(in thousands)</td><td style="font-weight: bold; padding-bottom: 1.5pt"> </td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center">2023</td><td style="padding-bottom: 1.5pt; font-weight: bold"> </td><td style="font-weight: bold; padding-bottom: 1.5pt"> </td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center">2022</td><td style="padding-bottom: 1.5pt; font-weight: bold"> </td></tr> <tr style="vertical-align: bottom"> <td style="padding-left: 0.125in">Residential real estate</td><td> </td> <td colspan="2"> </td><td> </td><td> </td> <td colspan="2"> </td><td> </td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="padding-left: 0.25in; width: 76%; text-align: left">One- to four-family</td><td style="width: 1%"> </td> <td style="width: 1%; text-align: left">$</td><td style="width: 9%; text-align: right">196</td><td style="width: 1%; text-align: left"> </td><td style="width: 1%"> </td> <td style="width: 1%; text-align: left">$</td><td style="width: 9%; text-align: right">400</td><td style="width: 1%; text-align: left"> </td></tr> </table>
CY2023Q2	us-gaap	Financing Receivable Unamortized Purchase Premium Discount FinancingReceivableUnamortizedPurchasePremiumDiscount	88000	usd
CY2022Q2	us-gaap	Financing Receivable Unamortized Purchase Premium Discount FinancingReceivableUnamortizedPurchasePremiumDiscount	88000	usd
CY2023Q2	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Outstanding Balance CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesOutstandingBalance	196000	usd
CY2022Q2	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Outstanding Balance CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesOutstandingBalance	400000	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
CY2023	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldAccretion	45000	usd
CY2022	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldAccretion	51000	usd
CY2023Q2	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYield	294000	usd
CY2022Q2	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYield	339000	usd
CY2022Q2	us-gaap	Other Real Estate OtherRealEstate	10000	usd
CY2021Q2	us-gaap	Other Real Estate OtherRealEstate	82000	usd
CY2023	us-gaap	Other Real Estate Improvements OtherRealEstateImprovements	60000	usd
CY2022	us-gaap	Other Real Estate Improvements OtherRealEstateImprovements	45000	usd
CY2022	us-gaap	Other Real Estate Disposals OtherRealEstateDisposals	117000	usd
CY2023Q2	us-gaap	Other Real Estate OtherRealEstate	70000	usd
CY2022Q2	us-gaap	Other Real Estate OtherRealEstate	10000	usd
CY2023Q2	us-gaap	Land Land	1516000	usd
CY2022Q2	us-gaap	Land Land	1516000	usd
CY2023Q2	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	6768000	usd
CY2022Q2	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	6654000	usd
CY2023Q2	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	2220000	usd
CY2022Q2	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	2206000	usd
CY2023Q2	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	10504000	usd
CY2022Q2	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	10376000	usd
CY2023Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	6069000	usd
CY2022Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	5813000	usd
CY2023Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4435000	usd
CY2022Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4563000	usd
CY2005Q1	kffb	Goodwill Amount GoodwillAmount	14500000	usd
CY2023Q2	us-gaap	Goodwill Not Allocated Amount GoodwillNotAllocatedAmount	947000	usd
CY2023	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	13600000	usd
CY2022	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	13600000	usd
CY2023	us-gaap	Impairment Charge On Reclassified Assets ImpairmentChargeOnReclassifiedAssets	13600000	usd
CY2023Q2	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	21000000	usd
CY2023Q2	us-gaap	Noninterest Bearing Domestic Deposit Checking NoninterestBearingDomesticDepositChecking	12333000	usd
CY2022Q2	us-gaap	Noninterest Bearing Domestic Deposit Checking NoninterestBearingDomesticDepositChecking	15726000	usd
CY2023Q2	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	19068000	usd
CY2022Q2	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	23902000	usd
CY2023Q2	us-gaap	Interest Bearing Domestic Deposit Savings InterestBearingDomesticDepositSavings	49477000	usd
CY2022Q2	us-gaap	Interest Bearing Domestic Deposit Savings InterestBearingDomesticDepositSavings	62649000	usd
CY2023Q2	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	8116000	usd
CY2022Q2	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	12875000	usd
CY2023Q2	us-gaap	Noninterest Bearing Deposit Liabilities Domestic NoninterestBearingDepositLiabilitiesDomestic	88994000	usd
CY2022Q2	us-gaap	Noninterest Bearing Deposit Liabilities Domestic NoninterestBearingDepositLiabilitiesDomestic	115152000	usd
CY2023Q2	kffb	Certificates Of Deposit CertificatesOfDeposit	137315000	usd
CY2022Q2	kffb	Certificates Of Deposit CertificatesOfDeposit	124705000	usd
CY2023Q2	us-gaap	Deposits Deposits	226309000	usd
CY2022Q2	us-gaap	Deposits Deposits	239857000	usd
CY2023Q2	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	119479000	usd
CY2023Q2	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	13081000	usd
CY2023Q2	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	1868000	usd
CY2023Q2	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	1167000	usd
CY2023Q2	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	1720000	usd
CY2023Q2	us-gaap	Time Deposits Noncurrent TimeDepositsNoncurrent	137315000	usd
CY2023Q2	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	250000	usd
CY2023Q2	us-gaap	Deposits Assets DepositsAssets	14700000	usd
CY2022Q2	us-gaap	Deposits Assets DepositsAssets	13100000	usd
CY2023Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	66360000	usd
CY2023Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From One To Two Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate	3643000	usd
CY2023Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Two To Three Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate	31000	usd
CY2023Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Three To Four Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate	22000	usd
CY2023Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Four To Five Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate	16000	usd
CY2023Q2	kffb	Federal Home Loan Bank Advances Maturities Summary Due From Five To Six Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFiveToSixYearsOfBalanceSheetDate	11000	usd
CY2023Q2	kffb	Federal Home Loan Bank Advances Maturities Summary Due From Five To Seven Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFiveToSevenYearsOfBalanceSheetDate	4000	usd
CY2023Q2	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	70087000	usd
CY2023Q2	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Maximum Amount Available FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresMaximumAmountAvailable	87300000	usd
CY2023Q2	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Collateral Pledged1 FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1	5600000	usd
CY2023	kffb	Fed Funds Line Of Credit Amount FedFundsLineOfCreditAmount	2000000	usd
CY2023	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	258000	usd
CY2022	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	434000	usd
CY2023	kffb	Cash Surrender Value Of Life Insurances CashSurrenderValueOfLifeInsurances	-17000	usd
CY2022	kffb	Cash Surrender Value Of Life Insurances CashSurrenderValueOfLifeInsurances	-16000	usd
CY2023	kffb	State Income Taxes StateIncomeTaxes	55000	usd
CY2022	kffb	State Income Taxes StateIncomeTaxes	130000	usd
CY2023	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-2000	usd
CY2022	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-71000	usd
CY2023	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	294000	usd
CY2022	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	477000	usd
CY2022	kffb	Changes In Composition Of Related Parties ChangesInCompositionOfRelatedParties		usd
CY2023Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	408000	usd
CY2022Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	381000	usd
CY2023Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	44000	usd
CY2022Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	72000	usd
CY2023Q2	kffb	Deferred Tax Assets Fair Value Accounting Adjustment On Acquisition DeferredTaxAssetsFairValueAccountingAdjustmentOnAcquisition	95000	usd
CY2022Q2	kffb	Deferred Tax Assets Fair Value Accounting Adjustment On Acquisition DeferredTaxAssetsFairValueAccountingAdjustmentOnAcquisition	107000	usd
CY2023Q2	kffb	Deferred Tax Assets Nonaccured Interest On Loans DeferredTaxAssetsNonaccuredInterestOnLoans	103000	usd
CY2022Q2	kffb	Deferred Tax Assets Nonaccured Interest On Loans DeferredTaxAssetsNonaccuredInterestOnLoans	107000	usd
CY2023Q2	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	142000	usd
CY2023Q2	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	68000	usd
CY2022Q2	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	73000	usd
CY2023Q2	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	64000	usd
CY2022Q2	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	121000	usd
CY2023Q2	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	924000	usd
CY2022Q2	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	861000	usd
CY2023Q2	kffb	Deferred Tax Liabilities Federal Home Loan Bank Stock Dividends DeferredTaxLiabilitiesFederalHomeLoanBankStockDividends	606000	usd
CY2022Q2	kffb	Deferred Tax Liabilities Federal Home Loan Bank Stock Dividends DeferredTaxLiabilitiesFederalHomeLoanBankStockDividends	981000	usd
CY2023Q2	kffb	Deferred Tax Liabilities Deferred Loan Origination Costs DeferredTaxLiabilitiesDeferredLoanOriginationCosts	68000	usd
CY2022Q2	kffb	Deferred Tax Liabilities Deferred Loan Origination Costs DeferredTaxLiabilitiesDeferredLoanOriginationCosts	36000	usd
CY2023Q2	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	43000	usd
CY2022Q2	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	46000	usd
CY2023Q2	kffb	Deferred Tax Liabilities Accrual To Cash Adjustment DeferredTaxLiabilitiesAccrualToCashAdjustment	185000	usd
CY2022Q2	kffb	Deferred Tax Liabilities Accrual To Cash Adjustment DeferredTaxLiabilitiesAccrualToCashAdjustment	152000	usd
CY2023Q2	kffb	Fair Value Accounting Adjustment On Acquisition FairValueAccountingAdjustmentOnAcquisition	535000	usd
CY2022Q2	kffb	Fair Value Accounting Adjustment On Acquisition FairValueAccountingAdjustmentOnAcquisition	535000	usd
CY2023Q2	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	1437000	usd
CY2022Q2	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	1750000	usd
CY2023Q2	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	513000	usd
CY2022Q2	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	889000	usd
CY2023Q2	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	1600000	usd
CY2023	kffb	Generally Limited Percentage GenerallyLimitedPercentage	0.08	pure
CY2023	kffb	Retained Earnings Not Recognized Federal Income Taxes RetainedEarningsNotRecognizedFederalIncomeTaxes	5200000	usd
CY2023Q2	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
CY2023	kffb	Principal Disbursed PrincipalDisbursed		usd
CY2022	kffb	Principal Disbursed PrincipalDisbursed		usd
CY2023	us-gaap	Property Management Fee Percent Fee PropertyManagementFeePercentFee	0.65	pure
CY2023Q2	kffb	Average Total Consolidated Assets AverageTotalConsolidatedAssets	10000000000	usd
CY2023Q2	kffb	Leverage Ratio LeverageRatio	0.09	pure
CY2023	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
CY2023	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	1900000	usd
CY2022	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	1900000	usd
CY2023	kffb	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method1 ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod1		usd
CY2022	kffb	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method1 ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod1		usd
CY2023	us-gaap	Other Real Estate Additions OtherRealEstateAdditions		usd
CY2022	us-gaap	Other Real Estate Additions OtherRealEstateAdditions		usd
CY2023	us-gaap	Other Real Estate Valuation Adjustments OtherRealEstateValuationAdjustments		usd
CY2022	us-gaap	Other Real Estate Valuation Adjustments OtherRealEstateValuationAdjustments		usd
CY2023Q2	kffb	Loans Available For Sale LoansAvailableForSale		usd
CY2023Q2	us-gaap	Preferred Stock Value PreferredStockValue		usd
CY2023Q2	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued		shares
CY2023Q2	us-gaap	Employee Stock Ownership Plan Esop Deferred Shares EmployeeStockOwnershipPlanESOPDeferredShares		usd
CY2022Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax		usd
CY2023	us-gaap	Interest And Dividend Income Securities Other InterestAndDividendIncomeSecuritiesOther		usd
CY2022	us-gaap	Interest And Dividend Income Securities Other InterestAndDividendIncomeSecuritiesOther		usd
CY2023	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate		usd
CY2022	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment		usd
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax		usd
CY2023	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate		usd
CY2022	kffb	Net Loss On Sale Of Property Equipment NetLossOnSaleOfPropertyEquipment		usd
CY2022	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock		usd
CY2023	us-gaap	Proceeds From Sale And Maturity Of Other Investments ProceedsFromSaleAndMaturityOfOtherInvestments		usd
CY2022	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock		usd
CY2022	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment		usd
CY2023	kffb	Additions To Real Estate Owned AdditionsToRealEstateOwned		usd
CY2023	kffb	Loans Made On Sale Of Real Estate Acquired Through Foreclosure LoansMadeOnSaleOfRealEstateAcquiredThroughForeclosure		usd
CY2023	kffb	Shares Committed To Be Released SharesCommittedToBeReleased		shares
CY2023	kffb	Unearned Shares UnearnedShares		shares
CY2023Q2	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets		usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	1590000000	usd
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	933000000	usd
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	8131568	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	8213407	shares
CY2023Q2	us-gaap	Investment In Federal Home Loan Bank Stock Fair Value Disclosure InvestmentInFederalHomeLoanBankStockFairValueDisclosure		usd
CY2022Q2	us-gaap	Investment In Federal Home Loan Bank Stock Fair Value Disclosure InvestmentInFederalHomeLoanBankStockFairValueDisclosure		usd
CY2023	kffb	Changes In Composition Of Related Parties ChangesInCompositionOfRelatedParties		usd
CY2022Q2	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss		usd
CY2022Q2	srt	Mortgage Loans On Real Estate Face Amount Of Mortgages MortgageLoansOnRealEstateFaceAmountOfMortgages		usd
CY2023	dei	Amendment Flag AmendmentFlag	false
CY2023	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2023	dei	Entity Central Index Key EntityCentralIndexKey	0001297341

Files In Submission

Name	View Source	Status
kffb-20230630_cal.xml	Edgar Link	unprocessable
kffb-20230630_def.xml	Edgar Link	unprocessable
FilingSummary.xml	Edgar Link	unprocessable
0001213900-23-080514-index-headers.html	Edgar Link	pending
0001213900-23-080514-index.html	Edgar Link	pending
0001213900-23-080514.txt	Edgar Link	pending
0001213900-23-080514-xbrl.zip	Edgar Link	pending
ex13_001.jpg	Edgar Link	pending
ex13_002.jpg	Edgar Link	pending
ex13_003.jpg	Edgar Link	pending
f10k2023ex13_kentuckyfirst.htm	Edgar Link	pending
f10k2023ex21_kentuckyfirst.htm	Edgar Link	pending
f10k2023ex31-1_kentuckyfirst.htm	Edgar Link	pending
f10k2023ex31-2_kentuckyfirst.htm	Edgar Link	pending
f10k2023ex32_kentuckyfirst.htm	Edgar Link	pending
f10k2023_kentuckyfirst.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
image_001.jpg	Edgar Link	pending
kffb-20230630.xsd	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
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R45.htm	Edgar Link	pending
kffb-20230630_pre.xml	Edgar Link	unprocessable
kffb-20230630_lab.xml	Edgar Link	unprocessable
f10k2023_kentuckyfirst_htm.xml	Edgar Link	completed
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
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R72.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$KFFB
Kentucky First Federal Bancorp Stock $kffb

2023 Q3 Form 10-K Financial Statement

#000121390023080514 Filed on September 28, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$KFFB Kentucky First Federal Bancorp Stock $kffb

2023 Q3 Form 10-K Financial Statement

#000121390023080514 Filed on September 28, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$KFFB
Kentucky First Federal Bancorp Stock $kffb