3.26.3 html 519 416 1 true 115 0 false 5 false false R1.htm 995300 - Document - Cover Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/Cover Cover Cover 1 false false R2.htm 995301 - Document - Audit Information Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/AuditInformation Audit Information Cover 2 false false R3.htm 995303 - Statement - Consolidated Balance Sheets Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/ConsolidatedBalanceSheets Consolidated Balance Sheets Statements 3 false false R4.htm 995304 - Statement - Consolidated Balance Sheets (Parentheticals) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/ConsolidatedBalanceSheetsParentheticals Consolidated Balance Sheets (Parentheticals) Statements 4 false false R5.htm 995305 - Statement - Consolidated Statements of Operations Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/ConsolidatedStatementsofOperations Consolidated Statements of Operations Statements 5 false false R6.htm 995306 - Statement - Consolidated Statements of Comprehensive Income (Loss) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/ConsolidatedStatementsofComprehensiveIncomeLoss Consolidated Statements of Comprehensive Income (Loss) Statements 6 false false R7.htm 995307 - Statement - Consolidated Statements of Comprehensive Income (Loss) (Parentheticals) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/ConsolidatedStatementsofComprehensiveIncomeLossParentheticals Consolidated Statements of Comprehensive Income (Loss) (Parentheticals) Statements 7 false false R8.htm 995308 - Statement - Consolidated Statements of Changes in Shareholders’ Equity Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/ConsolidatedStatementsofChangesinShareholdersEquity Consolidated Statements of Changes in Shareholders’ Equity Statements 8 false false R9.htm 995309 - Statement - Consolidated Statements of Cash Flows Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/ConsolidatedStatementsofCashFlows Consolidated Statements of Cash Flows Statements 9 false false R10.htm 995310 - Disclosure - Summary of Significant Accounting Policies Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/SummaryofSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 10 false false R11.htm 995311 - Disclosure - Securities Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/Securities Securities Notes 11 false false R12.htm 995312 - Disclosure - Loans Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/Loans Loans Notes 12 false false R13.htm 995313 - Disclosure - Real Estate Owned Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/RealEstateOwned Real Estate Owned Notes 13 false false R14.htm 995314 - Disclosure - Premises and Equipment Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/PremisesandEquipment Premises and Equipment Notes 14 false false R15.htm 995315 - Disclosure - Deposits Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/Deposits Deposits Notes 15 false false R16.htm 995316 - Disclosure - Advances From The Federal Home Loan Bank Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/AdvancesFromTheFederalHomeLoanBank Advances From The Federal Home Loan Bank Notes 16 false false R17.htm 995317 - Disclosure - Income Taxes Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/IncomeTaxes Income Taxes Notes 17 false false R18.htm 995318 - Disclosure - Loan Commitments Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/LoanCommitments Loan Commitments Notes 18 false false R19.htm 995319 - Disclosure - Stockholders’ Equity and Regulatory Capital Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/StockholdersEquityandRegulatoryCapital Stockholders’ Equity and Regulatory Capital Notes 19 false false R20.htm 995320 - Disclosure - Condensed Financial Statements of Kentucky First Federal Bancorp Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/CondensedFinancialStatementsofKentuckyFirstFederalBancorp Condensed Financial Statements of Kentucky First Federal Bancorp Notes 20 false false R21.htm 995410 - Disclosure - Pay vs Performance Disclosure Sheet http://xbrl.sec.gov/ecd/role/PvpDisclosure Pay vs Performance Disclosure Notes 21 false false R22.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 22 false false R23.htm 995550 - Disclosure - Cybersecurity Risk Management and Strategy Disclosure Sheet http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure Cybersecurity Risk Management and Strategy Disclosure Notes 23 false false R24.htm 996321 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/SummaryofSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Policies http://kentuckyfirstfederalbancorp.com/20260630/role/SummaryofSignificantAccountingPolicies 24 false false R25.htm 996322 - Disclosure - Summary of Significant Accounting Policies (Tables) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/SummaryofSignificantAccountingPoliciesTables Summary of Significant Accounting Policies (Tables) Tables http://kentuckyfirstfederalbancorp.com/20260630/role/SummaryofSignificantAccountingPolicies 25 false false R26.htm 996323 - Disclosure - Securities (Tables) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/SecuritiesTables Securities (Tables) Tables http://kentuckyfirstfederalbancorp.com/20260630/role/Securities 26 false false R27.htm 996324 - Disclosure - Loans (Tables) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/LoansTables Loans (Tables) Tables http://kentuckyfirstfederalbancorp.com/20260630/role/Loans 27 false false R28.htm 996325 - Disclosure - Real Estate Owned (Tables) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/RealEstateOwnedTables Real Estate Owned (Tables) Tables http://kentuckyfirstfederalbancorp.com/20260630/role/RealEstateOwned 28 false false R29.htm 996326 - Disclosure - Premises and Equipment (Tables) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/PremisesandEquipmentTables Premises and Equipment (Tables) Tables http://kentuckyfirstfederalbancorp.com/20260630/role/PremisesandEquipment 29 false false R30.htm 996327 - Disclosure - Deposits (Tables) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/DepositsTables Deposits (Tables) Tables http://kentuckyfirstfederalbancorp.com/20260630/role/Deposits 30 false false R31.htm 996328 - Disclosure - Advances From The Federal Home Loan Bank (Tables) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/AdvancesFromTheFederalHomeLoanBankTables Advances From The Federal Home Loan Bank (Tables) Tables http://kentuckyfirstfederalbancorp.com/20260630/role/AdvancesFromTheFederalHomeLoanBank 31 false false R32.htm 996329 - Disclosure - Income Taxes (Tables) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/IncomeTaxesTables Income Taxes (Tables) Tables http://kentuckyfirstfederalbancorp.com/20260630/role/IncomeTaxes 32 false false R33.htm 996330 - Disclosure - Loan Commitments (Tables) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/LoanCommitmentsTables Loan Commitments (Tables) Tables http://kentuckyfirstfederalbancorp.com/20260630/role/LoanCommitments 33 false false R34.htm 996331 - Disclosure - Stockholders’ Equity and Regulatory Capital (Tables) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/StockholdersEquityandRegulatoryCapitalTables Stockholders’ Equity and Regulatory Capital (Tables) Tables http://kentuckyfirstfederalbancorp.com/20260630/role/StockholdersEquityandRegulatoryCapital 34 false false R35.htm 996332 - Disclosure - Condensed Financial Statements of Kentucky First Federal Bancorp (Tables) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/CondensedFinancialStatementsofKentuckyFirstFederalBancorpTables Condensed Financial Statements of Kentucky First Federal Bancorp (Tables) Tables http://kentuckyfirstfederalbancorp.com/20260630/role/CondensedFinancialStatementsofKentuckyFirstFederalBancorp 35 false false R36.htm 996333 - Disclosure - Summary of Significant Accounting Policies (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/SummaryofSignificantAccountingPoliciesDetails Summary of Significant Accounting Policies (Details) Details http://kentuckyfirstfederalbancorp.com/20260630/role/SummaryofSignificantAccountingPoliciesTables 36 false false R37.htm 996334 - Disclosure - Summary of Significant Accounting Policies - Schedule of Contributed to ESOP (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/SummaryofSignificantAccountingPoliciesScheduleofContributedtoESOPDetails Summary of Significant Accounting Policies - Schedule of Contributed to ESOP (Details) Details 37 false false R38.htm 996335 - Disclosure - Summary of Significant Accounting Policies - Schedule of Earnings Per Share (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/SummaryofSignificantAccountingPoliciesScheduleofEarningsPerShareDetails Summary of Significant Accounting Policies - Schedule of Earnings Per Share (Details) Details 38 false false R39.htm 996336 - Disclosure - Summary of Significant Accounting Policies - Schedule of Fair Value Measurements of Assets and Liabilities (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/SummaryofSignificantAccountingPoliciesScheduleofFairValueMeasurementsofAssetsandLiabilitiesDetails Summary of Significant Accounting Policies - Schedule of Fair Value Measurements of Assets and Liabilities (Details) Details 39 false false R40.htm 996337 - Disclosure - Summary of Significant Accounting Policies - Schedule of Financial Instruments (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/SummaryofSignificantAccountingPoliciesScheduleofFinancialInstrumentsDetails Summary of Significant Accounting Policies - Schedule of Financial Instruments (Details) Details 40 false false R41.htm 996338 - Disclosure - Summary of Significant Accounting Policies - Schedule of Loans Outstanding (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/SummaryofSignificantAccountingPoliciesScheduleofLoansOutstandingDetails Summary of Significant Accounting Policies - Schedule of Loans Outstanding (Details) Details 41 false false R42.htm 996339 - Disclosure - Securities (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/SecuritiesDetails Securities (Details) Details http://kentuckyfirstfederalbancorp.com/20260630/role/SecuritiesTables 42 false false R43.htm 996340 - Disclosure - Securities - Schedule of Amortized Cost and Fair Value of the Available for Sale Securities and Held to Maturity Investment Securities Portfolio (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/SecuritiesScheduleofAmortizedCostandFairValueoftheAvailableforSaleSecuritiesandHeldtoMaturityInvestmentSecuritiesPortfolioDetails Securities - Schedule of Amortized Cost and Fair Value of the Available for Sale Securities and Held to Maturity Investment Securities Portfolio (Details) Details 43 false false R44.htm 996341 - Disclosure - Loans (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/LoansDetails Loans (Details) Details http://kentuckyfirstfederalbancorp.com/20260630/role/LoansTables 44 false false R45.htm 996342 - Disclosure - Loans - Schedule of Loan Portfolio (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/LoansScheduleofLoanPortfolioDetails Loans - Schedule of Loan Portfolio (Details) Details 45 false false R46.htm 996343 - Disclosure - Loans - Schedule of Amortized Cost Basis of Collateral-Dependent Loans (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/LoansScheduleofAmortizedCostBasisofCollateralDependentLoansDetails Loans - Schedule of Amortized Cost Basis of Collateral-Dependent Loans (Details) Details 46 false false R47.htm 996344 - Disclosure - Loans - Schedule of Allowance for Loan Losses and Investment in Loans by Portfolio Class (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/LoansScheduleofAllowanceforLoanLossesandInvestmentinLoansbyPortfolioClassDetails Loans - Schedule of Allowance for Loan Losses and Investment in Loans by Portfolio Class (Details) Details 47 false false R48.htm 996345 - Disclosure - Loans - Schedule of Impaired Loans (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/LoansScheduleofImpairedLoansDetails Loans - Schedule of Impaired Loans (Details) Details 48 false false R49.htm 996346 - Disclosure - Loans - Schedule of Table Presents the Recorded Investment in Nonaccrual and Loans (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/LoansScheduleofTablePresentstheRecordedInvestmentinNonaccrualandLoansDetails Loans - Schedule of Table Presents the Recorded Investment in Nonaccrual and Loans (Details) Details 49 false false R50.htm 996347 - Disclosure - Loans - Schedule of Principal Balance Outstanding in Past Due Loans (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/LoansScheduleofPrincipalBalanceOutstandinginPastDueLoansDetails Loans - Schedule of Principal Balance Outstanding in Past Due Loans (Details) Details 50 false false R51.htm 996348 - Disclosure - Loans - Schedule of Analysis Performed, the Risk Category of Loans by Class of Loans (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/LoansScheduleofAnalysisPerformedtheRiskCategoryofLoansbyClassofLoansDetails Loans - Schedule of Analysis Performed, the Risk Category of Loans by Class of Loans (Details) Details 51 false false R52.htm 996349 - Disclosure - Loans - Schedule of ACL by Portfolio Segment (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/LoansScheduleofACLbyPortfolioSegmentDetails Loans - Schedule of ACL by Portfolio Segment (Details) Details 52 false false R53.htm 996350 - Disclosure - Loans - Schedule of Purchased Loans (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/LoansScheduleofPurchasedLoansDetails Loans - Schedule of Purchased Loans (Details) Details 53 false false R54.htm 996351 - Disclosure - Loans - Schedule of Accretable Yield, or Income Expected to be Collected (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/LoansScheduleofAccretableYieldorIncomeExpectedtobeCollectedDetails Loans - Schedule of Accretable Yield, or Income Expected to be Collected (Details) Details 54 false false R55.htm 996352 - Disclosure - Real Estate Owned - Schedule of Activity in Real Estate Owned (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/RealEstateOwnedScheduleofActivityinRealEstateOwnedDetails Real Estate Owned - Schedule of Activity in Real Estate Owned (Details) Details 55 false false R56.htm 996353 - Disclosure - Premises and Equipment - Schedule of Premises and Equipment (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/PremisesandEquipmentScheduleofPremisesandEquipmentDetails Premises and Equipment - Schedule of Premises and Equipment (Details) Details 56 false false R57.htm 996354 - Disclosure - Deposits (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/DepositsDetails Deposits (Details) Details http://kentuckyfirstfederalbancorp.com/20260630/role/DepositsTables 57 false false R58.htm 996355 - Disclosure - Deposits - Schedule of Deposits (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/DepositsScheduleofDepositsDetails Deposits - Schedule of Deposits (Details) Details 58 false false R59.htm 996356 - Disclosure - Deposits - Schedule of Maturities of Outstanding Certificates of Deposit (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/DepositsScheduleofMaturitiesofOutstandingCertificatesofDepositDetails Deposits - Schedule of Maturities of Outstanding Certificates of Deposit (Details) Details 59 false false R60.htm 996357 - Disclosure - Advances From The Federal Home Loan Bank (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/AdvancesFromTheFederalHomeLoanBankDetails Advances From The Federal Home Loan Bank (Details) Details http://kentuckyfirstfederalbancorp.com/20260630/role/AdvancesFromTheFederalHomeLoanBankTables 60 false false R61.htm 996358 - Disclosure - Advances From The Federal Home Loan Bank -Schedule of Advances from Federal Home Loan Bank (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/AdvancesFromTheFederalHomeLoanBankScheduleofAdvancesfromFederalHomeLoanBankDetails Advances From The Federal Home Loan Bank -Schedule of Advances from Federal Home Loan Bank (Details) Details 61 false false R62.htm 996359 - Disclosure - Income Taxes (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/IncomeTaxesDetails Income Taxes (Details) Details http://kentuckyfirstfederalbancorp.com/20260630/role/IncomeTaxesTables 62 false false R63.htm 996360 - Disclosure - Income Taxes - Schedule of Statutory Corporate Tax Rate (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/IncomeTaxesScheduleofStatutoryCorporateTaxRateDetails Income Taxes - Schedule of Statutory Corporate Tax Rate (Details) Details 63 false false R64.htm 996361 - Disclosure - Income Taxes - Schedule of Current and Deferred Income Tax Expense (Benefit) (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/IncomeTaxesScheduleofCurrentandDeferredIncomeTaxExpenseBenefitDetails Income Taxes - Schedule of Current and Deferred Income Tax Expense (Benefit) (Details) Details 64 false false R65.htm 996362 - Disclosure - Income Taxes - Schedule of Net Deferred Tax Liability (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/IncomeTaxesScheduleofNetDeferredTaxLiabilityDetails Income Taxes - Schedule of Net Deferred Tax Liability (Details) Details 65 false false R66.htm 996363 - Disclosure - Loan Commitments (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/LoanCommitmentsDetails Loan Commitments (Details) Details http://kentuckyfirstfederalbancorp.com/20260630/role/LoanCommitmentsTables 66 false false R67.htm 996364 - Disclosure - Loan Commitments - Schedule of Outstanding Loan Commitments (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/LoanCommitmentsScheduleofOutstandingLoanCommitmentsDetails Loan Commitments - Schedule of Outstanding Loan Commitments (Details) Details 67 false false R68.htm 996365 - Disclosure - Stockholders’ Equity and Regulatory Capital (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/StockholdersEquityandRegulatoryCapitalDetails Stockholders’ Equity and Regulatory Capital (Details) Details http://kentuckyfirstfederalbancorp.com/20260630/role/StockholdersEquityandRegulatoryCapitalTables 68 false false R69.htm 996366 - Disclosure - Stockholders’ Equity and Regulatory Capital - Schedule of Company’s and Banks’ Regulatory Capital (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/StockholdersEquityandRegulatoryCapitalScheduleofCompanysandBanksRegulatoryCapitalDetails Stockholders’ Equity and Regulatory Capital - Schedule of Company’s and Banks’ Regulatory Capital (Details) Details 69 false false R70.htm 996367 - Disclosure - Condensed Financial Statements of Kentucky First Federal Bancorp - Schedule of Schedule of Balance Sheets (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/CondensedFinancialStatementsofKentuckyFirstFederalBancorpScheduleofScheduleofBalanceSheetsDetails Condensed Financial Statements of Kentucky First Federal Bancorp - Schedule of Schedule of Balance Sheets (Details) Details 70 false false R71.htm 996368 - Disclosure - Condensed Financial Statements of Kentucky First Federal Bancorp - Schedule of Statements of Operations and Comprehensive (Loss) Income (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/CondensedFinancialStatementsofKentuckyFirstFederalBancorpScheduleofStatementsofOperationsandComprehensiveLossIncomeDetails Condensed Financial Statements of Kentucky First Federal Bancorp - Schedule of Statements of Operations and Comprehensive (Loss) Income (Details) Details 71 false false R72.htm 996369 - Disclosure - Condensed Financial Statements of Kentucky First Federal Bancorp - Schedule of Statements of Operations and Comprehensive (Loss) Income (Parentheticals) (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/CondensedFinancialStatementsofKentuckyFirstFederalBancorpScheduleofStatementsofOperationsandComprehensiveLossIncomeParentheticalsDetails Condensed Financial Statements of Kentucky First Federal Bancorp - Schedule of Statements of Operations and Comprehensive (Loss) Income (Parentheticals) (Details) Details 72 false false R73.htm 996370 - Disclosure - Condensed Financial Statements of Kentucky First Federal Bancorp - Schedule of Statements of Cash Flows (Details) Sheet http://kentuckyfirstfederalbancorp.com/20260630/role/CondensedFinancialStatementsofKentuckyFirstFederalBancorpScheduleofStatementsofCashFlowsDetails Condensed Financial Statements of Kentucky First Federal Bancorp - Schedule of Statements of Cash Flows (Details) Details 73 false false All Reports Book All Reports ea0305657-10k_kentucky.htm ea030565701ex13.htm kffb-20260630.xsd kffb-20260630_cal.xml kffb-20260630_def.xml kffb-20260630_lab.xml kffb-20260630_pre.xml ea030565701_ex13img1.jpg ea030565701_ex13img2.jpg ea030565701_ex13img3.jpg ea030565701_img1.jpg http://fasb.org/srt/2026 http://fasb.org/us-gaap/2026 http://xbrl.sec.gov/cyd/2026 http://xbrl.sec.gov/dei/2026 http://xbrl.sec.gov/ecd/2026 true true