{"url_path":"/sec/kffb/10-q/2026/item-6","section_key":"item-6","section_title":"Item 6 Exhibits**","topic":"sec","document":{"doc_type":"10-Q","doc_date":"2026-05-15","source_url":"https://www.sec.gov/Archives/edgar/data/1297341/0001213900-26-057461-index.html","accession_number":"0001213900-26-057461","cik":"0001297341","ticker":"KFFB","issuer_name":"Kentucky First Federal Bancorp","edgar_url":"https://www.sec.gov/Archives/edgar/data/1297341/0001213900-26-057461-index.html","primary_entity_key":"0001297341","primary_entity_name":"Kentucky First Federal Bancorp"},"word_count":2243,"has_tables":true,"body_markdown":"** **\n\n**ITEM 6. Exhibits**\n\n \n\n3.11\n \n[Charter of Kentucky First Federal Bancorp](https://www.sec.gov/Archives/edgar/data/1297341/000095014404009148/g90780exv3w1.txt)\n\n \n \n \n\n3.22\n \n[Bylaws of Kentucky First Federal Bancorp, as amended and restated](https://www.sec.gov/Archives/edgar/data/1297341/000114420412053579/v323904_ex3-2.htm)\n\n \n \n \n\n3.33\n \n[Amendment No. 1 to the Bylaws of Kentucky First Federal Bancorp](https://www.sec.gov/Archives/edgar/data/1297341/000121390017009166/f8k082417ex3-1_kentuckyfirst.htm)\n\n \n \n \n\n3.44\n \n[Amendment No. 2 to the Bylaws of Kentucky First Federal Bancorp](https://www.sec.gov/Archives/edgar/data/1297341/000121390020028555/ea127419ex3-1_kentucky.htm)\n\n \n \n \n\n3.45\n \n[Amendment No. 3 to the Bylaws of Kentucky First Federal Bancorp](https://www.sec.gov/Archives/edgar/data/1297341/000121390022004963/ea154831ex3-1_kentucky.htm)\n\n \n \n \n\n4.11\n \n[Specimen Stock Certificate of Kentucky First Federal Bancorp](https://www.sec.gov/Archives/edgar/data/1297341/000095014404009148/g90780exv4w1.txt)\n\n \n \n \n\n31.1\n \n[CEO Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002](ea029015901ex31-1.htm)\n\n \n \n \n\n31.2\n \n[CFO Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002](ea029015901ex31-2.htm)\n\n \n \n \n\n32.1\n \n[CEO Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002](ea029015901ex32-1.htm)\n\n \n \n \n\n32.2\n \n[CFO Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002](ea029015901ex32-2.htm)\n\n \n \n \n\n101.0\n \nThe following materials from Kentucky First Federal Bancorp’s Quarterly Report\nOn Form 10-Q for the quarter ended March 31, 2026 formatted in Extensible Business Reporting Language (XBRL): (i) the Condensed Consolidated\nBalance Sheets; (ii) the Condensed Consolidated Statements of Operations; (iii) the Condensed Consolidated Statements of Comprehensive\nIncome; (iv) the Consolidated Statements of Changes in Shareholders’ Equity; (v) the Condensed Consolidated Statements of Cash Flows:\nand (vi) the related Notes.\n\n \n \n \n\n104\n \nCover Page Interactive Data File (formatted as Inline\nXBRL and contained in Exhibit 101).\n\n \n\n(1)Incorporated herein by reference to the Company’s Registration\nStatement on Form S-1 (File No. 333-119041).\n\n         \n\n(2)Incorporated herein by reference to the Company’s Annual\nReport on Form 10-K for the Year Ended June 30, 2012 (File No. 0-51176).\n\n \n\n(3)Incorporated herein by reference to the Company’s Current\nReport on Form 8-K filed August 25, 2017 (File No. 0-51176).\n\n \n\n(4)Incorporated herein by reference to the Company’s Current\nReport on Form 8-K filed September 28, 2020 (File No. 0-51176).\n\n \n\n(5)Incorporated herein by reference to the Company’s Current\nReport on Form 8-K filed February 2, 2022 (File No. 51176).\n\n \n\n41\n\n \n\n \n\n**Kentucky First Federal Bancorp**\n\n \n\n**SIGNATURES**\n\n \n\nPursuant to the requirements of the Securities\nExchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.\n\n \n\n \n \nKENTUCKY FIRST FEDERAL BANCORP\n\n \n \n \n \n\nDate:\nMay 15, 2026\n \nBy:\n/s/ R. Clay Hulette\n\n \n \n \nR. Clay Hulette\n\n \n \n \nChief Executive Officer\n\n(Principal Executive Officer)\n\n \n \n \n \n\nDate:\nMay 15, 2026\n \nBy:\n/s/ Tyler W. Eades\n\n \n \n \nTyler W. Eades\n\n \n \n \nVice President and Chief Financial Officer\n\n(Principal Financial Officer and\n\nPrincipal Accounting Officer)\n\n \n\n42\n\n \n\n \n\n \n\n \n\n0001297341\nfalse\nQ3\n--06-30\n\n0001297341\n\n2025-07-01\n2026-03-31\n\n0001297341\n\n2026-05-15\n\n0001297341\n\n2026-03-31\n\n0001297341\n\n2025-06-30\n\n0001297341\n\n2024-07-01\n2025-03-31\n\n0001297341\n\n2026-01-01\n2026-03-31\n\n0001297341\n\n2025-01-01\n2025-03-31\n\n0001297341\n\nus-gaap:CommonStockMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:AdditionalPaidInCapitalMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:RetainedEarningsMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:TreasuryStockCommonMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:AccumulatedOtherComprehensiveIncomeMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:CommonStockMember\n\n2025-07-01\n2026-03-31\n\n0001297341\n\nus-gaap:AdditionalPaidInCapitalMember\n\n2025-07-01\n2026-03-31\n\n0001297341\n\nus-gaap:RetainedEarningsMember\n\n2025-07-01\n2026-03-31\n\n0001297341\n\nus-gaap:AccumulatedOtherComprehensiveIncomeMember\n\n2025-07-01\n2026-03-31\n\n0001297341\n\nus-gaap:CommonStockMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:AdditionalPaidInCapitalMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:RetainedEarningsMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:TreasuryStockCommonMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:AccumulatedOtherComprehensiveIncomeMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:CommonStockMember\n\n2024-06-30\n\n0001297341\n\nus-gaap:AdditionalPaidInCapitalMember\n\n2024-06-30\n\n0001297341\n\nus-gaap:RetainedEarningsMember\n\n2024-06-30\n\n0001297341\n\nus-gaap:TreasuryStockCommonMember\n\n2024-06-30\n\n0001297341\n\nus-gaap:AccumulatedOtherComprehensiveIncomeMember\n\n2024-06-30\n\n0001297341\n\n2024-06-30\n\n0001297341\n\nus-gaap:CommonStockMember\n\n2024-07-01\n2025-03-31\n\n0001297341\n\nus-gaap:AdditionalPaidInCapitalMember\n\n2024-07-01\n2025-03-31\n\n0001297341\n\nus-gaap:RetainedEarningsMember\n\n2024-07-01\n2025-03-31\n\n0001297341\n\nus-gaap:AccumulatedOtherComprehensiveIncomeMember\n\n2024-07-01\n2025-03-31\n\n0001297341\n\nus-gaap:CommonStockMember\n\n2025-03-31\n\n0001297341\n\nus-gaap:AdditionalPaidInCapitalMember\n\n2025-03-31\n\n0001297341\n\nus-gaap:RetainedEarningsMember\n\n2025-03-31\n\n0001297341\n\nus-gaap:TreasuryStockCommonMember\n\n2025-03-31\n\n0001297341\n\nus-gaap:AccumulatedOtherComprehensiveIncomeMember\n\n2025-03-31\n\n0001297341\n\n2025-03-31\n\n0001297341\n\nus-gaap:CommonStockMember\n\n2025-12-31\n\n0001297341\n\nus-gaap:AdditionalPaidInCapitalMember\n\n2025-12-31\n\n0001297341\n\nus-gaap:RetainedEarningsMember\n\n2025-12-31\n\n0001297341\n\nus-gaap:TreasuryStockCommonMember\n\n2025-12-31\n\n0001297341\n\nus-gaap:AccumulatedOtherComprehensiveIncomeMember\n\n2025-12-31\n\n0001297341\n\n2025-12-31\n\n0001297341\n\nus-gaap:CommonStockMember\n\n2026-01-01\n2026-03-31\n\n0001297341\n\nus-gaap:AdditionalPaidInCapitalMember\n\n2026-01-01\n2026-03-31\n\n0001297341\n\nus-gaap:RetainedEarningsMember\n\n2026-01-01\n2026-03-31\n\n0001297341\n\nus-gaap:AccumulatedOtherComprehensiveIncomeMember\n\n2026-01-01\n2026-03-31\n\n0001297341\n\nus-gaap:CommonStockMember\n\n2024-12-31\n\n0001297341\n\nus-gaap:AdditionalPaidInCapitalMember\n\n2024-12-31\n\n0001297341\n\nus-gaap:RetainedEarningsMember\n\n2024-12-31\n\n0001297341\n\nus-gaap:TreasuryStockCommonMember\n\n2024-12-31\n\n0001297341\n\nus-gaap:AccumulatedOtherComprehensiveIncomeMember\n\n2024-12-31\n\n0001297341\n\n2024-12-31\n\n0001297341\n\nus-gaap:CommonStockMember\n\n2025-01-01\n2025-03-31\n\n0001297341\n\nus-gaap:AdditionalPaidInCapitalMember\n\n2025-01-01\n2025-03-31\n\n0001297341\n\nus-gaap:RetainedEarningsMember\n\n2025-01-01\n2025-03-31\n\n0001297341\n\nus-gaap:AccumulatedOtherComprehensiveIncomeMember\n\n2025-01-01\n2025-03-31\n\n0001297341\n\n2024-07-01\n2025-06-30\n\n0001297341\n\nus-gaap:ResidentialMortgageBackedSecuritiesMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ResidentialMortgageBackedSecuritiesMember\n\n2025-06-30\n\n0001297341\n\nkffb:LessThanTwelveMonthsMember\nus-gaap:ResidentialMortgageMember\n\n2026-03-31\n\n0001297341\n\nkffb:MoreTwelveMonthsMember\nus-gaap:ResidentialMortgageMember\n\n2026-03-31\n\n0001297341\n\nkffb:TotalTemporarilyImpairedAFSSecuritiesMember\n\n2026-03-31\n\n0001297341\n\nkffb:TotalTemporarilyImpairedHTMSecuritiesMember\n\n2026-03-31\n\n0001297341\n\nkffb:LessThanTwelveMonthsMember\nus-gaap:ResidentialMortgageMember\n\n2025-06-30\n\n0001297341\n\nkffb:MoreTwelveMonthsMember\nus-gaap:ResidentialMortgageMember\n\n2025-06-30\n\n0001297341\n\nkffb:TotalTemporarilyImpairedAFSSecuritiesMember\n\n2025-06-30\n\n0001297341\n\nkffb:TotalTemporarilyImpairedHTMSecuritiesMember\n\n2025-06-30\n\n0001297341\n\nkffb:MultifamilyAndNonresidentialLoansMember\n\n2026-03-31\n\n0001297341\n\nkffb:ConsumerLendingMember\n\n2026-03-31\n\n0001297341\n\nkffb:HomeEquityLoansMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ResidentialPortfolioSegmentMember\nkffb:OneToFourFamilyMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ResidentialPortfolioSegmentMember\nkffb:OneToFourFamilyMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ResidentialPortfolioSegmentMember\nsrt:MultifamilyMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ResidentialPortfolioSegmentMember\nsrt:MultifamilyMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ResidentialPortfolioSegmentMember\nus-gaap:ConstructionMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ResidentialPortfolioSegmentMember\nus-gaap:ConstructionMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:LandMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:LandMember\n\n2025-06-30\n\n0001297341\n\nkffb:FarmMember\n\n2026-03-31\n\n0001297341\n\nkffb:FarmMember\n\n2025-06-30\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\n\n2026-03-31\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\n\n2025-06-30\n\n0001297341\n\nkffb:CommercialAndIndustrialMember\n\n2026-03-31\n\n0001297341\n\nkffb:CommercialAndIndustrialMember\n\n2025-06-30\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:LoansOnDepositsMember\n\n2026-03-31\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:LoansOnDepositsMember\n\n2025-06-30\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:HomesEquityMember\n\n2026-03-31\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:HomesEquityMember\n\n2025-06-30\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nus-gaap:AutomobilesMember\n\n2026-03-31\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nus-gaap:AutomobilesMember\n\n2025-06-30\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:UnsecuredMember\n\n2026-03-31\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:UnsecuredMember\n\n2025-06-30\n\n0001297341\n\nkffb:ResidentialRealEstateOneToFourFamilyMember\n\n2025-06-30\n\n0001297341\n\nkffb:ResidentialRealEstateOneToFourFamilyMember\n\n2025-07-01\n2026-03-31\n\n0001297341\n\nkffb:ResidentialRealEstateOneToFourFamilyMember\n\n2026-03-31\n\n0001297341\n\nkffb:ResidentialRealEstateMultiFamilyMember\n\n2025-06-30\n\n0001297341\n\nkffb:ResidentialRealEstateMultiFamilyMember\n\n2025-07-01\n2026-03-31\n\n0001297341\n\nkffb:ResidentialRealEstateMultiFamilyMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ConstructionLoansMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ConstructionLoansMember\n\n2025-07-01\n2026-03-31\n\n0001297341\n\nus-gaap:ConstructionLoansMember\n\n2026-03-31\n\n0001297341\n\nkffb:LandLoanMember\n\n2025-06-30\n\n0001297341\n\nkffb:LandLoanMember\n\n2025-07-01\n2026-03-31\n\n0001297341\n\nkffb:LandLoanMember\n\n2026-03-31\n\n0001297341\n\nkffb:FarmLoanMember\n\n2025-06-30\n\n0001297341\n\nkffb:FarmLoanMember\n\n2025-07-01\n2026-03-31\n\n0001297341\n\nkffb:FarmLoanMember\n\n2026-03-31\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\n\n2025-06-30\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\n\n2025-07-01\n2026-03-31\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\n\n2026-03-31\n\n0001297341\n\nkffb:CommercialAndIndustrialMember\n\n2025-06-30\n\n0001297341\n\nkffb:CommercialAndIndustrialMember\n\n2025-07-01\n2026-03-31\n\n0001297341\n\nkffb:CommercialAndIndustrialMember\n\n2026-03-31\n\n0001297341\n\nkffb:LoansOnDepositsMember\n\n2025-06-30\n\n0001297341\n\nkffb:LoansOnDepositsMember\n\n2025-07-01\n2026-03-31\n\n0001297341\n\nus-gaap:HomeEquityLoanMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:HomeEquityLoanMember\n\n2025-07-01\n2026-03-31\n\n0001297341\n\nus-gaap:HomeEquityLoanMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:AutomobileLoanMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:AutomobileLoanMember\n\n2025-07-01\n2026-03-31\n\n0001297341\n\nus-gaap:AutomobileLoanMember\n\n2026-03-31\n\n0001297341\n\nkffb:UnsecuredLoanMember\n\n2025-06-30\n\n0001297341\n\nkffb:UnsecuredLoanMember\n\n2025-07-01\n2026-03-31\n\n0001297341\n\nkffb:UnsecuredLoanMember\n\n2026-03-31\n\n0001297341\n\nkffb:ResidentialRealEstateOneToFourFamilyMember\n\n2024-06-30\n\n0001297341\n\nkffb:ResidentialRealEstateOneToFourFamilyMember\n\n2024-07-01\n2025-03-31\n\n0001297341\n\nkffb:ResidentialRealEstateOneToFourFamilyMember\n\n2025-03-31\n\n0001297341\n\nkffb:ResidentialRealEstateMultiFamilyMember\n\n2024-06-30\n\n0001297341\n\nkffb:ResidentialRealEstateMultiFamilyMember\n\n2024-07-01\n2025-03-31\n\n0001297341\n\nkffb:ResidentialRealEstateMultiFamilyMember\n\n2025-03-31\n\n0001297341\n\nus-gaap:ConstructionLoansMember\n\n2024-06-30\n\n0001297341\n\nus-gaap:ConstructionLoansMember\n\n2024-07-01\n2025-03-31\n\n0001297341\n\nus-gaap:ConstructionLoansMember\n\n2025-03-31\n\n0001297341\n\nkffb:LandLoanMember\n\n2024-06-30\n\n0001297341\n\nkffb:LandLoanMember\n\n2024-07-01\n2025-03-31\n\n0001297341\n\nkffb:LandLoanMember\n\n2025-03-31\n\n0001297341\n\nkffb:FarmLoanMember\n\n2024-06-30\n\n0001297341\n\nkffb:FarmLoanMember\n\n2024-07-01\n2025-03-31\n\n0001297341\n\nkffb:FarmLoanMember\n\n2025-03-31\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\n\n2024-06-30\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\n\n2024-07-01\n2025-03-31\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\n\n2025-03-31\n\n0001297341\n\nkffb:CommercialAndIndustrialMember\n\n2024-06-30\n\n0001297341\n\nkffb:CommercialAndIndustrialMember\n\n2024-07-01\n2025-03-31\n\n0001297341\n\nkffb:CommercialAndIndustrialMember\n\n2025-03-31\n\n0001297341\n\nus-gaap:HomeEquityLoanMember\n\n2024-06-30\n\n0001297341\n\nus-gaap:HomeEquityLoanMember\n\n2024-07-01\n2025-03-31\n\n0001297341\n\nus-gaap:HomeEquityLoanMember\n\n2025-03-31\n\n0001297341\n\nkffb:UnsecuredLoanMember\n\n2024-06-30\n\n0001297341\n\nkffb:UnsecuredLoanMember\n\n2024-07-01\n2025-03-31\n\n0001297341\n\nkffb:UnsecuredLoanMember\n\n2025-03-31\n\n0001297341\n\nkffb:ResidentialRealEstateOneToFourFamilyMember\n\n2025-12-31\n\n0001297341\n\nkffb:ResidentialRealEstateOneToFourFamilyMember\n\n2026-01-01\n2026-03-31\n\n0001297341\n\nkffb:MultipleFamilyMember\n\n2025-12-31\n\n0001297341\n\nkffb:MultipleFamilyMember\n\n2026-01-01\n2026-03-31\n\n0001297341\n\nkffb:MultipleFamilyMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ConstructionLoansMember\n\n2025-12-31\n\n0001297341\n\nus-gaap:ConstructionLoansMember\n\n2026-01-01\n2026-03-31\n\n0001297341\n\nkffb:LandLoanMember\n\n2025-12-31\n\n0001297341\n\nkffb:LandLoanMember\n\n2026-01-01\n2026-03-31\n\n0001297341\n\nkffb:FarmLoanMember\n\n2025-12-31\n\n0001297341\n\nkffb:FarmLoanMember\n\n2026-01-01\n2026-03-31\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\n\n2025-12-31\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\n\n2026-01-01\n2026-03-31\n\n0001297341\n\nkffb:CommercialAndIndustrialMember\n\n2025-12-31\n\n0001297341\n\nkffb:CommercialAndIndustrialMember\n\n2026-01-01\n2026-03-31\n\n0001297341\n\nkffb:LoansOnDepositsMember\n\n2025-12-31\n\n0001297341\n\nkffb:LoansOnDepositsMember\n\n2026-01-01\n2026-03-31\n\n0001297341\n\nkffb:LoansOnDepositsMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:HomeEquityLoanMember\n\n2025-12-31\n\n0001297341\n\nus-gaap:HomeEquityLoanMember\n\n2026-01-01\n2026-03-31\n\n0001297341\n\nus-gaap:AutomobileLoanMember\n\n2025-12-31\n\n0001297341\n\nus-gaap:AutomobileLoanMember\n\n2026-01-01\n2026-03-31\n\n0001297341\n\nkffb:UnsecuredLoanMember\n\n2025-12-31\n\n0001297341\n\nkffb:UnsecuredLoanMember\n\n2026-01-01\n2026-03-31\n\n0001297341\n\nkffb:ResidentialRealEstateOneToFourFamilyMember\n\n2024-12-31\n\n0001297341\n\nkffb:ResidentialRealEstateOneToFourFamilyMember\n\n2025-01-01\n2025-03-31\n\n0001297341\n\nkffb:ResidentialRealEstateMultiFamilyMember\n\n2024-12-31\n\n0001297341\n\nkffb:ResidentialRealEstateMultiFamilyMember\n\n2025-01-01\n2025-03-31\n\n0001297341\n\nus-gaap:ConstructionLoansMember\n\n2024-12-31\n\n0001297341\n\nus-gaap:ConstructionLoansMember\n\n2025-01-01\n2025-03-31\n\n0001297341\n\nkffb:LandLoanMember\n\n2024-12-31\n\n0001297341\n\nkffb:LandLoanMember\n\n2025-01-01\n2025-03-31\n\n0001297341\n\nkffb:FarmLoanMember\n\n2024-12-31\n\n0001297341\n\nkffb:FarmLoanMember\n\n2025-01-01\n2025-03-31\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\n\n2024-12-31\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\n\n2025-01-01\n2025-03-31\n\n0001297341\n\nkffb:CommercialAndIndustrialMember\n\n2024-12-31\n\n0001297341\n\nkffb:CommercialAndIndustrialMember\n\n2025-01-01\n2025-03-31\n\n0001297341\n\nus-gaap:HomeEquityLoanMember\n\n2024-12-31\n\n0001297341\n\nus-gaap:HomeEquityLoanMember\n\n2025-01-01\n2025-03-31\n\n0001297341\n\nkffb:UnsecuredLoanMember\n\n2024-12-31\n\n0001297341\n\nkffb:UnsecuredLoanMember\n\n2025-01-01\n2025-03-31\n\n0001297341\n\nkffb:LoansIndividuallyEvaluatedForImpairmentMember\nkffb:ResidentialRealEstateOneToFourFamilyMember\nkffb:AmortizedCostBasisMember\n\n2026-03-31\n\n0001297341\n\nkffb:LoansIndividuallyEvaluatedForImpairmentMember\nkffb:ResidentialRealEstateOneToFourFamilyMember\nkffb:EndingAllowanceOnCollateralDependentLoansMember\n\n2026-03-31\n\n0001297341\n\nkffb:LoansIndividuallyEvaluatedForImpairmentMember\nkffb:NonresidentialRealEstateMember\nkffb:AmortizedCostBasisMember\n\n2026-03-31\n\n0001297341\n\nkffb:LoansIndividuallyEvaluatedForImpairmentMember\nkffb:NonresidentialRealEstateMember\nkffb:EndingAllowanceOnCollateralDependentLoansMember\n\n2026-03-31\n\n0001297341\n\nkffb:LoansIndividuallyEvaluatedForImpairmentMember\nkffb:AmortizedCostBasisMember\n\n2026-03-31\n\n0001297341\n\nkffb:LoansIndividuallyEvaluatedForImpairmentMember\nkffb:EndingAllowanceOnCollateralDependentLoansMember\n\n2026-03-31\n\n0001297341\n\nkffb:LoansIndividuallyEvaluatedForImpairmentMember\nkffb:ResidentialRealEstateOneToFourFamilyMember\nkffb:AmortizedCostBasisMember\n\n2025-06-30\n\n0001297341\n\nkffb:LoansIndividuallyEvaluatedForImpairmentMember\nkffb:ResidentialRealEstateOneToFourFamilyMember\nkffb:EndingAllowanceOnCollateralDependentLoansMember\n\n2025-06-30\n\n0001297341\n\nkffb:LoansIndividuallyEvaluatedForImpairmentMember\nkffb:NonresidentialRealEstateMember\nkffb:AmortizedCostBasisMember\n\n2025-06-30\n\n0001297341\n\nkffb:LoansIndividuallyEvaluatedForImpairmentMember\nkffb:NonresidentialRealEstateMember\nkffb:EndingAllowanceOnCollateralDependentLoansMember\n\n2025-06-30\n\n0001297341\n\nkffb:LoansIndividuallyEvaluatedForImpairmentMember\nkffb:AmortizedCostBasisMember\n\n2025-06-30\n\n0001297341\n\nkffb:LoansIndividuallyEvaluatedForImpairmentMember\nkffb:EndingAllowanceOnCollateralDependentLoansMember\n\n2025-06-30\n\n0001297341\n\nkffb:OneToFourfamilyResidentialRealEstateMember\nkffb:NonaccrualMember\n\n2026-03-31\n\n0001297341\n\nkffb:OneToFourfamilyResidentialRealEstateMember\nkffb:LoansPastDueOver89DaysStillAccruingMember\n\n2026-03-31\n\n0001297341\n\nkffb:OneToFourfamilyResidentialRealEstateMember\nkffb:NonaccrualMember\n\n2025-06-30\n\n0001297341\n\nkffb:OneToFourfamilyResidentialRealEstateMember\nkffb:LoansPastDueOver89DaysStillAccruingMember\n\n2025-06-30\n\n0001297341\n\nkffb:ResidentialRealEstateConstructionMember\nkffb:NonaccrualMember\n\n2026-03-31\n\n0001297341\n\nkffb:ResidentialRealEstateConstructionMember\nkffb:LoansPastDueOver89DaysStillAccruingMember\n\n2026-03-31\n\n0001297341\n\nkffb:ResidentialRealEstateConstructionMember\nkffb:NonaccrualMember\n\n2025-06-30\n\n0001297341\n\nkffb:ResidentialRealEstateConstructionMember\nkffb:LoansPastDueOver89DaysStillAccruingMember\n\n2025-06-30\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\nkffb:NonaccrualMember\n\n2026-03-31\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\nkffb:LoansPastDueOver89DaysStillAccruingMember\n\n2026-03-31\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\nkffb:NonaccrualMember\n\n2025-06-30\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\nkffb:LoansPastDueOver89DaysStillAccruingMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ConsumerOtherMember\nkffb:NonaccrualMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ConsumerOtherMember\nkffb:LoansPastDueOver89DaysStillAccruingMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ConsumerOtherMember\nkffb:NonaccrualMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ConsumerOtherMember\nkffb:LoansPastDueOver89DaysStillAccruingMember\n\n2025-06-30\n\n0001297341\n\nkffb:UnsecuredMember\nkffb:NonaccrualMember\n\n2026-03-31\n\n0001297341\n\nkffb:UnsecuredMember\nkffb:LoansPastDueOver89DaysStillAccruingMember\n\n2026-03-31\n\n0001297341\n\nkffb:UnsecuredMember\nkffb:NonaccrualMember\n\n2025-06-30\n\n0001297341\n\nkffb:UnsecuredMember\nkffb:LoansPastDueOver89DaysStillAccruingMember\n\n2025-06-30\n\n0001297341\n\nkffb:NonaccrualMember\n\n2026-03-31\n\n0001297341\n\nkffb:LoansPastDueOver89DaysStillAccruingMember\n\n2026-03-31\n\n0001297341\n\nkffb:NonaccrualMember\n\n2025-06-30\n\n0001297341\n\nkffb:LoansPastDueOver89DaysStillAccruingMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ResidentialRealEstateMember\nkffb:ResidentialRealEstateOneToFourFamilyMember\nus-gaap:FinancingReceivables30To59DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ResidentialRealEstateMember\nkffb:ResidentialRealEstateOneToFourFamilyMember\nus-gaap:FinancingReceivables60To89DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ResidentialRealEstateMember\nkffb:ResidentialRealEstateOneToFourFamilyMember\nus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ResidentialRealEstateMember\nkffb:ResidentialRealEstateOneToFourFamilyMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ResidentialRealEstateMember\nkffb:ResidentialRealEstateOneToFourFamilyMember\nkffb:LoansNotPastDueMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ResidentialRealEstateMember\nkffb:ResidentialRealEstateMultiFamilyMember\nus-gaap:FinancingReceivables30To59DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ResidentialRealEstateMember\nkffb:ResidentialRealEstateMultiFamilyMember\nus-gaap:FinancingReceivables60To89DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ResidentialRealEstateMember\nkffb:ResidentialRealEstateMultiFamilyMember\nus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ResidentialRealEstateMember\nkffb:ResidentialRealEstateMultiFamilyMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ResidentialRealEstateMember\nkffb:ResidentialRealEstateMultiFamilyMember\nkffb:LoansNotPastDueMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ResidentialRealEstateMember\nus-gaap:ConstructionMember\nus-gaap:FinancingReceivables30To59DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ResidentialRealEstateMember\nus-gaap:ConstructionMember\nus-gaap:FinancingReceivables60To89DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ResidentialRealEstateMember\nus-gaap:ConstructionMember\nus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ResidentialRealEstateMember\nus-gaap:ConstructionMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ResidentialRealEstateMember\nus-gaap:ConstructionMember\nkffb:LoansNotPastDueMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:LandMember\nus-gaap:FinancingReceivables30To59DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:LandMember\nus-gaap:FinancingReceivables60To89DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:LandMember\nus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:LandMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:LandMember\nkffb:LoansNotPastDueMember\n\n2026-03-31\n\n0001297341\n\nkffb:FarmMember\nus-gaap:FinancingReceivables30To59DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nkffb:FarmMember\nus-gaap:FinancingReceivables60To89DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nkffb:FarmMember\nus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nkffb:FarmMember\n\n2026-03-31\n\n0001297341\n\nkffb:FarmMember\nkffb:LoansNotPastDueMember\n\n2026-03-31\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\nus-gaap:FinancingReceivables30To59DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\nus-gaap:FinancingReceivables60To89DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\nus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\n\n2026-03-31\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\nkffb:LoansNotPastDueMember\n\n2026-03-31\n\n0001297341\n\nkffb:CommercialsAndIndustrialMember\nus-gaap:FinancingReceivables30To59DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nkffb:CommercialsAndIndustrialMember\nus-gaap:FinancingReceivables60To89DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nkffb:CommercialsAndIndustrialMember\nus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nkffb:CommercialsAndIndustrialMember\n\n2026-03-31\n\n0001297341\n\nkffb:CommercialsAndIndustrialMember\nkffb:LoansNotPastDueMember\n\n2026-03-31\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:LoansOnDepositsMember\nus-gaap:FinancingReceivables30To59DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:LoansOnDepositsMember\nus-gaap:FinancingReceivables60To89DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:LoansOnDepositsMember\nus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:LoansOnDepositsMember\n\n2026-03-31\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:LoansOnDepositsMember\nkffb:LoansNotPastDueMember\n\n2026-03-31\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:HomeEquityLoansMember\nus-gaap:FinancingReceivables30To59DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:HomeEquityLoansMember\nus-gaap:FinancingReceivables60To89DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:HomeEquityLoansMember\nus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:HomeEquityLoansMember\n\n2026-03-31\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:HomeEquityLoansMember\nkffb:LoansNotPastDueMember\n\n2026-03-31\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nus-gaap:AutomobilesMember\nus-gaap:FinancingReceivables30To59DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nus-gaap:AutomobilesMember\nus-gaap:FinancingReceivables60To89DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nus-gaap:AutomobilesMember\nus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nus-gaap:AutomobilesMember\n\n2026-03-31\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nus-gaap:AutomobilesMember\nkffb:LoansNotPastDueMember\n\n2026-03-31\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:UnsecuredMember\nus-gaap:FinancingReceivables30To59DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:UnsecuredMember\nus-gaap:FinancingReceivables60To89DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:UnsecuredMember\nus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:UnsecuredMember\n\n2026-03-31\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:UnsecuredMember\nkffb:LoansNotPastDueMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:FinancingReceivables30To59DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:FinancingReceivables60To89DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember\n\n2026-03-31\n\n0001297341\n\nkffb:LoansNotPastDueMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ResidentialRealEstateMember\nkffb:ResidentialRealEstateOneToFourFamilyMember\nus-gaap:FinancingReceivables30To59DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ResidentialRealEstateMember\nkffb:ResidentialRealEstateOneToFourFamilyMember\nus-gaap:FinancingReceivables60To89DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ResidentialRealEstateMember\nkffb:ResidentialRealEstateOneToFourFamilyMember\nus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ResidentialRealEstateMember\nkffb:ResidentialRealEstateOneToFourFamilyMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ResidentialRealEstateMember\nkffb:ResidentialRealEstateOneToFourFamilyMember\nkffb:LoansNotPastDueMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ResidentialRealEstateMember\nkffb:ResidentialRealEstateMultiFamilyMember\nus-gaap:FinancingReceivables30To59DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ResidentialRealEstateMember\nkffb:ResidentialRealEstateMultiFamilyMember\nus-gaap:FinancingReceivables60To89DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ResidentialRealEstateMember\nkffb:ResidentialRealEstateMultiFamilyMember\nus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ResidentialRealEstateMember\nkffb:ResidentialRealEstateMultiFamilyMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ResidentialRealEstateMember\nkffb:ResidentialRealEstateMultiFamilyMember\nkffb:LoansNotPastDueMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ResidentialRealEstateMember\nus-gaap:ConstructionMember\nus-gaap:FinancingReceivables30To59DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ResidentialRealEstateMember\nus-gaap:ConstructionMember\nus-gaap:FinancingReceivables60To89DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ResidentialRealEstateMember\nus-gaap:ConstructionMember\nus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ResidentialRealEstateMember\nus-gaap:ConstructionMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ResidentialRealEstateMember\nus-gaap:ConstructionMember\nkffb:LoansNotPastDueMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:LandMember\nus-gaap:FinancingReceivables30To59DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:LandMember\nus-gaap:FinancingReceivables60To89DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:LandMember\nus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:LandMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:LandMember\nkffb:LoansNotPastDueMember\n\n2025-06-30\n\n0001297341\n\nkffb:FarmMember\nus-gaap:FinancingReceivables30To59DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nkffb:FarmMember\nus-gaap:FinancingReceivables60To89DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nkffb:FarmMember\nus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nkffb:FarmMember\n\n2025-06-30\n\n0001297341\n\nkffb:FarmMember\nkffb:LoansNotPastDueMember\n\n2025-06-30\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\nus-gaap:FinancingReceivables30To59DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\nus-gaap:FinancingReceivables60To89DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\nus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\n\n2025-06-30\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\nkffb:LoansNotPastDueMember\n\n2025-06-30\n\n0001297341\n\nkffb:CommercialsAndIndustrialMember\nus-gaap:FinancingReceivables30To59DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nkffb:CommercialsAndIndustrialMember\nus-gaap:FinancingReceivables60To89DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nkffb:CommercialsAndIndustrialMember\nus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nkffb:CommercialsAndIndustrialMember\n\n2025-06-30\n\n0001297341\n\nkffb:CommercialsAndIndustrialMember\nkffb:LoansNotPastDueMember\n\n2025-06-30\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:LoansOnDepositsMember\nus-gaap:FinancingReceivables30To59DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:LoansOnDepositsMember\nus-gaap:FinancingReceivables60To89DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:LoansOnDepositsMember\nus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:LoansOnDepositsMember\n\n2025-06-30\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:LoansOnDepositsMember\nkffb:LoansNotPastDueMember\n\n2025-06-30\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:HomeEquityLoansMember\nus-gaap:FinancingReceivables30To59DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:HomeEquityLoansMember\nus-gaap:FinancingReceivables60To89DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:HomeEquityLoansMember\nus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:HomeEquityLoansMember\n\n2025-06-30\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:HomeEquityLoansMember\nkffb:LoansNotPastDueMember\n\n2025-06-30\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nus-gaap:AutomobilesMember\nus-gaap:FinancingReceivables30To59DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nus-gaap:AutomobilesMember\nus-gaap:FinancingReceivables60To89DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nus-gaap:AutomobilesMember\nus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nus-gaap:AutomobilesMember\n\n2025-06-30\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nus-gaap:AutomobilesMember\nkffb:LoansNotPastDueMember\n\n2025-06-30\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:UnsecuredMember\nus-gaap:FinancingReceivables30To59DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:UnsecuredMember\nus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:UnsecuredMember\n\n2025-06-30\n\n0001297341\n\nkffb:ConsumerAndOtherMember\nkffb:UnsecuredMember\nkffb:LoansNotPastDueMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:FinancingReceivables30To59DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:FinancingReceivables60To89DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember\n\n2025-06-30\n\n0001297341\n\nkffb:LoansNotPastDueMember\n\n2025-06-30\n\n0001297341\n\nkffb:OneToFourFamilyMember\nus-gaap:PassMember\n\n2026-03-31\n\n0001297341\n\nkffb:OneToFourFamilyMember\nus-gaap:SpecialMentionMember\n\n2026-03-31\n\n0001297341\n\nkffb:OneToFourFamilyMember\nus-gaap:SubstandardMember\n\n2026-03-31\n\n0001297341\n\nkffb:OneToFourFamilyMember\nus-gaap:DoubtfulMember\n\n2026-03-31\n\n0001297341\n\nkffb:OneToFourfamilyResidentialRealEstateMember\n\n2026-03-31\n\n0001297341\n\nsrt:MultifamilyMember\nus-gaap:PassMember\n\n2026-03-31\n\n0001297341\n\nsrt:MultifamilyMember\nus-gaap:SpecialMentionMember\n\n2026-03-31\n\n0001297341\n\nsrt:MultifamilyMember\nus-gaap:SubstandardMember\n\n2026-03-31\n\n0001297341\n\nsrt:MultifamilyMember\nus-gaap:DoubtfulMember\n\n2026-03-31\n\n0001297341\n\nsrt:MultifamilyMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ConstructionLoansMember\nus-gaap:PassMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ConstructionLoansMember\nus-gaap:SpecialMentionMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ConstructionLoansMember\nus-gaap:SubstandardMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ConstructionLoansMember\nus-gaap:DoubtfulMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ResidentialPortfolioSegmentMember\nus-gaap:ConstructionLoansMember\n\n2026-03-31\n\n0001297341\n\nkffb:ResidentialRealEstateConstructionMember\n\n2026-03-31\n\n0001297341\n\nkffb:LandLoanMember\nus-gaap:PassMember\n\n2026-03-31\n\n0001297341\n\nkffb:LandLoanMember\nus-gaap:SpecialMentionMember\n\n2026-03-31\n\n0001297341\n\nkffb:LandLoanMember\nus-gaap:SubstandardMember\n\n2026-03-31\n\n0001297341\n\nkffb:LandLoanMember\nus-gaap:DoubtfulMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ResidentialPortfolioSegmentMember\nkffb:LandLoanMember\n\n2026-03-31\n\n0001297341\n\nkffb:FarmLoanMember\nus-gaap:PassMember\n\n2026-03-31\n\n0001297341\n\nkffb:FarmLoanMember\nus-gaap:SpecialMentionMember\n\n2026-03-31\n\n0001297341\n\nkffb:FarmLoanMember\nus-gaap:SubstandardMember\n\n2026-03-31\n\n0001297341\n\nkffb:FarmLoanMember\nus-gaap:DoubtfulMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ResidentialPortfolioSegmentMember\nkffb:FarmLoanMember\n\n2026-03-31\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\nus-gaap:PassMember\n\n2026-03-31\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\nus-gaap:SpecialMentionMember\n\n2026-03-31\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\nus-gaap:SubstandardMember\n\n2026-03-31\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\nus-gaap:DoubtfulMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ResidentialPortfolioSegmentMember\nkffb:NonresidentialRealEstateMember\n\n2026-03-31\n\n0001297341\n\nkffb:CommercialAndIndustrialMember\nus-gaap:PassMember\n\n2026-03-31\n\n0001297341\n\nkffb:CommercialAndIndustrialMember\nus-gaap:SpecialMentionMember\n\n2026-03-31\n\n0001297341\n\nkffb:CommercialAndIndustrialMember\nus-gaap:SubstandardMember\n\n2026-03-31\n\n0001297341\n\nkffb:CommercialAndIndustrialMember\nus-gaap:DoubtfulMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ResidentialPortfolioSegmentMember\nkffb:CommercialAndIndustrialMember\n\n2026-03-31\n\n0001297341\n\nkffb:ShareLoansMember\nus-gaap:PassMember\n\n2026-03-31\n\n0001297341\n\nkffb:ShareLoansMember\nus-gaap:SpecialMentionMember\n\n2026-03-31\n\n0001297341\n\nkffb:ShareLoansMember\nus-gaap:SubstandardMember\n\n2026-03-31\n\n0001297341\n\nkffb:ShareLoansMember\nus-gaap:DoubtfulMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ResidentialPortfolioSegmentMember\nkffb:ShareLoansMember\n\n2026-03-31\n\n0001297341\n\nkffb:ShareLoansMember\n\n2026-03-31\n\n0001297341\n\nkffb:HomesEquityMember\nus-gaap:PassMember\n\n2026-03-31\n\n0001297341\n\nkffb:HomesEquityMember\nus-gaap:SpecialMentionMember\n\n2026-03-31\n\n0001297341\n\nkffb:HomesEquityMember\nus-gaap:SubstandardMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:RealEstateLoanMember\nus-gaap:DoubtfulMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ResidentialPortfolioSegmentMember\nkffb:HomesEquityMember\n\n2026-03-31\n\n0001297341\n\nkffb:HomesEquityMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:AutomobilesMember\nus-gaap:PassMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:AutomobilesMember\nus-gaap:SpecialMentionMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:AutomobilesMember\nus-gaap:SubstandardMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:AutomobilesMember\nus-gaap:DoubtfulMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:ResidentialPortfolioSegmentMember\nus-gaap:AutomobilesMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:AutomobilesMember\n\n2026-03-31\n\n0001297341\n\nkffb:UnsecuredMember\nus-gaap:PassMember\n\n2026-03-31\n\n0001297341\n\nkffb:UnsecuredMember\nus-gaap:SpecialMentionMember\n\n2026-03-31\n\n0001297341\n\nkffb:UnsecuredMember\nus-gaap:SubstandardMember\n\n2026-03-31\n\n0001297341\n\nkffb:UnsecuredMember\nus-gaap:DoubtfulMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:FinanceLeasesPortfolioSegmentMember\nkffb:UnsecuredMember\n\n2026-03-31\n\n0001297341\n\nkffb:UnsecuredMember\n\n2026-03-31\n\n0001297341\n\nkffb:OneToFourFamilyMember\nus-gaap:PassMember\n\n2025-06-30\n\n0001297341\n\nkffb:OneToFourFamilyMember\nus-gaap:SpecialMentionMember\n\n2025-06-30\n\n0001297341\n\nkffb:OneToFourFamilyMember\nus-gaap:SubstandardMember\n\n2025-06-30\n\n0001297341\n\nkffb:OneToFourFamilyMember\nus-gaap:DoubtfulMember\n\n2025-06-30\n\n0001297341\n\nkffb:OneToFourfamilyResidentialRealEstateMember\n\n2025-06-30\n\n0001297341\n\nsrt:MultifamilyMember\nus-gaap:PassMember\n\n2025-06-30\n\n0001297341\n\nsrt:MultifamilyMember\nus-gaap:SpecialMentionMember\n\n2025-06-30\n\n0001297341\n\nsrt:MultifamilyMember\nus-gaap:SubstandardMember\n\n2025-06-30\n\n0001297341\n\nsrt:MultifamilyMember\nus-gaap:DoubtfulMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ResidentialPortfolioSegmentMember\nsrt:MultifamilyMember\n\n2025-06-30\n\n0001297341\n\nsrt:MultifamilyMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ConstructionLoansMember\nus-gaap:PassMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ConstructionLoansMember\nus-gaap:SpecialMentionMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ConstructionLoansMember\nus-gaap:SubstandardMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ConstructionLoansMember\nus-gaap:DoubtfulMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ResidentialPortfolioSegmentMember\nus-gaap:ConstructionLoansMember\n\n2025-06-30\n\n0001297341\n\nkffb:ResidentialRealEstateConstructionMember\n\n2025-06-30\n\n0001297341\n\nkffb:LandLoanMember\nus-gaap:PassMember\n\n2025-06-30\n\n0001297341\n\nkffb:LandLoanMember\nus-gaap:SpecialMentionMember\n\n2025-06-30\n\n0001297341\n\nkffb:LandLoanMember\nus-gaap:SubstandardMember\n\n2025-06-30\n\n0001297341\n\nkffb:LandLoanMember\nus-gaap:DoubtfulMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ResidentialPortfolioSegmentMember\nkffb:LandLoanMember\n\n2025-06-30\n\n0001297341\n\nkffb:FarmLoanMember\nus-gaap:PassMember\n\n2025-06-30\n\n0001297341\n\nkffb:FarmLoanMember\nus-gaap:SpecialMentionMember\n\n2025-06-30\n\n0001297341\n\nkffb:FarmLoanMember\nus-gaap:SubstandardMember\n\n2025-06-30\n\n0001297341\n\nkffb:FarmLoanMember\nus-gaap:DoubtfulMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ResidentialPortfolioSegmentMember\nkffb:FarmLoanMember\n\n2025-06-30\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\nus-gaap:PassMember\n\n2025-06-30\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\nus-gaap:SpecialMentionMember\n\n2025-06-30\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\nus-gaap:SubstandardMember\n\n2025-06-30\n\n0001297341\n\nkffb:NonresidentialRealEstateMember\nus-gaap:DoubtfulMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ResidentialPortfolioSegmentMember\nkffb:NonresidentialRealEstateMember\n\n2025-06-30\n\n0001297341\n\nkffb:CommercialAndIndustrialMember\nus-gaap:PassMember\n\n2025-06-30\n\n0001297341\n\nkffb:CommercialAndIndustrialMember\nus-gaap:SpecialMentionMember\n\n2025-06-30\n\n0001297341\n\nkffb:CommercialAndIndustrialMember\nus-gaap:SubstandardMember\n\n2025-06-30\n\n0001297341\n\nkffb:CommercialAndIndustrialMember\nus-gaap:DoubtfulMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ResidentialPortfolioSegmentMember\nkffb:CommercialAndIndustrialMember\n\n2025-06-30\n\n0001297341\n\nkffb:CommercialAndIndustrialOneMember\n\n2025-06-30\n\n0001297341\n\nkffb:ShareLoansMember\nus-gaap:PassMember\n\n2025-06-30\n\n0001297341\n\nkffb:ShareLoansMember\nus-gaap:SpecialMentionMember\n\n2025-06-30\n\n0001297341\n\nkffb:ShareLoansMember\nus-gaap:SubstandardMember\n\n2025-06-30\n\n0001297341\n\nkffb:ShareLoansMember\nus-gaap:DoubtfulMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ResidentialPortfolioSegmentMember\nkffb:ShareLoansMember\n\n2025-06-30\n\n0001297341\n\nkffb:ShareLoansOneMember\n\n2025-06-30\n\n0001297341\n\nkffb:HomesEquityMember\nus-gaap:PassMember\n\n2025-06-30\n\n0001297341\n\nkffb:HomesEquityMember\nus-gaap:SpecialMentionMember\n\n2025-06-30\n\n0001297341\n\nkffb:HomesEquityMember\nus-gaap:SubstandardMember\n\n2025-06-30\n\n0001297341\n\nkffb:HomesEquityMember\nus-gaap:DoubtfulMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ResidentialPortfolioSegmentMember\nkffb:HomesEquityMember\n\n2025-06-30\n\n0001297341\n\nkffb:HomeEquityOneMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:AutomobilesMember\nus-gaap:PassMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:AutomobilesMember\nus-gaap:SpecialMentionMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:AutomobilesMember\nus-gaap:SubstandardMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:AutomobilesMember\nus-gaap:DoubtfulMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ResidentialPortfolioSegmentMember\nus-gaap:AutomobilesMember\n\n2025-06-30\n\n0001297341\n\nkffb:AutomobilesOneMember\n\n2025-06-30\n\n0001297341\n\nkffb:UnsecuredMember\nus-gaap:PassMember\n\n2025-06-30\n\n0001297341\n\nkffb:UnsecuredMember\nus-gaap:SpecialMentionMember\n\n2025-06-30\n\n0001297341\n\nkffb:UnsecuredMember\nus-gaap:SubstandardMember\n\n2025-06-30\n\n0001297341\n\nkffb:UnsecuredMember\nus-gaap:DoubtfulMember\n\n2025-06-30\n\n0001297341\n\nkffb:UnsecuredMember\n\n2025-06-30\n\n0001297341\n\nkffb:UnsecuredOneMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:ResidentialMortgageBackedSecuritiesMember\n\n2025-07-01\n2026-03-31\n\n0001297341\n\nus-gaap:FairValueInputsLevel1Member\nus-gaap:ResidentialMortgageBackedSecuritiesMember\n\n2025-07-01\n2026-03-31\n\n0001297341\n\nus-gaap:FairValueInputsLevel2Member\nus-gaap:ResidentialMortgageBackedSecuritiesMember\n\n2025-07-01\n2026-03-31\n\n0001297341\n\nus-gaap:FairValueInputsLevel3Member\nus-gaap:ResidentialMortgageBackedSecuritiesMember\n\n2025-07-01\n2026-03-31\n\n0001297341\n\nus-gaap:ResidentialMortgageBackedSecuritiesMember\n\n2024-07-01\n2025-06-30\n\n0001297341\n\nus-gaap:FairValueInputsLevel1Member\nus-gaap:ResidentialMortgageBackedSecuritiesMember\n\n2024-07-01\n2025-06-30\n\n0001297341\n\nus-gaap:FairValueInputsLevel2Member\nus-gaap:ResidentialMortgageBackedSecuritiesMember\n\n2024-07-01\n2025-06-30\n\n0001297341\n\nus-gaap:FairValueInputsLevel3Member\nus-gaap:ResidentialMortgageBackedSecuritiesMember\n\n2024-07-01\n2025-06-30\n\n0001297341\n\nus-gaap:CarryingReportedAmountFairValueDisclosureMember\nus-gaap:FairValueMeasurementsRecurringMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:FairValueInputsLevel1Member\nus-gaap:FairValueMeasurementsRecurringMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:FairValueMeasurementsRecurringMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:FairValueInputsLevel2Member\nus-gaap:FairValueMeasurementsRecurringMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:FairValueInputsLevel3Member\nus-gaap:FairValueMeasurementsRecurringMember\n\n2026-03-31\n\n0001297341\n\nus-gaap:CarryingReportedAmountFairValueDisclosureMember\nus-gaap:FairValueMeasurementsRecurringMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:FairValueInputsLevel1Member\nus-gaap:FairValueMeasurementsRecurringMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:FairValueMeasurementsRecurringMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:FairValueInputsLevel2Member\nus-gaap:FairValueMeasurementsRecurringMember\n\n2025-06-30\n\n0001297341\n\nus-gaap:FairValueInputsLevel3Member\nus-gaap:FairValueMeasurementsRecurringMember\n\n2025-06-30\n\nxbrli:shares\n\niso4217:USD\n\niso4217:USD\n\nxbrli:shares\n\nxbrli:pure"}