$KFFB
Kentucky First Federal Bancorp Stock $kffb

$kffb Overview Financials Valuation SEC Filings Company Website

2016 Q3 Form 10-K Financial Statement

#000114420416125756 Filed on September 28, 2016

Income Statement

Concept	2016 Q3	2016 Q2	2016
Revenue			$11.63M
YoY Change			-6.09%
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	$90.00K	$110.0K	$321.0K
YoY Change	25.0%	57.14%	15.47%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense			$1.360M
YoY Change			-4.76%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$460.0K	$570.0K	$2.097M
YoY Change	-31.34%	-28.75%	-32.14%
Income Tax	$160.0K	$190.0K	$596.0K
% Of Pretax Income	34.78%	33.33%	28.42%
Net Earnings	$300.0K	$380.0K	$1.501M
YoY Change	-44.44%	-29.63%	-27.45%
Net Earnings / Revenue			12.9%
Basic Earnings Per Share
Diluted Earnings Per Share	$35.97K	$45.62K	$180.3K
COMMON SHARES
Basic Shares Outstanding	8.440M shares	8.440M shares	8.324M shares
Diluted Shares Outstanding			8.324M shares

Balance Sheet

Concept	2016 Q3	2016 Q2	2016
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents		$13.11M
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	$6.000M	$6.022M	$6.000M
YoY Change	3.45%	15.03%	15.38%
Goodwill		$14.51M
YoY Change		0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$295.1M	$291.9M	$291.9M
YoY Change	-0.27%	-1.49%	-1.48%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$0.00	$0.00	$0.00
YoY Change
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities
YoY Change
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$2.300M	$1.900M	$1.900M
YoY Change	4.55%	-5.0%	-5.0%
Total Long-Term Liabilities	$2.300M	$1.900M	$1.900M
YoY Change	4.55%	-5.0%	-5.0%
TOTAL LIABILITIES
Total Short-Term Liabilities
Total Long-Term Liabilities	$2.300M	$1.900M	$1.900M
Total Liabilities	$227.6M	$224.4M	$224.4M
YoY Change	-0.35%	-2.02%	-2.01%
SHAREHOLDERS EQUITY
Retained Earnings		$34.73M
YoY Change		0.06%
Common Stock		$34.73M
YoY Change		0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)		$937.0K
YoY Change		0.0%
Treasury Stock Shares	112.6K shares	112.6K shares
Shareholders Equity	$67.50M	$67.52M	$67.50M
YoY Change
Total Liabilities & Shareholders Equity	$295.1M	$291.9M	$291.9M
YoY Change	-0.27%	-1.49%	-1.48%

Cashflow Statement

Concept	2016 Q3	2016 Q2	2016
OPERATING ACTIVITIES
Net Income	$300.0K	$380.0K	$1.501M
YoY Change	-44.44%	-29.63%	-27.45%
Depreciation, Depletion And Amortization	$90.00K	$110.0K	$321.0K
YoY Change	25.0%	57.14%	15.47%
Cash From Operating Activities	$550.0K	-$160.0K	$1.450M
YoY Change	-14.06%	-142.11%	-53.23%
INVESTING ACTIVITIES
Capital Expenditures	$40.00K	$20.00K	$1.108M
YoY Change	-93.39%	-102.78%	25.34%
Acquisitions
YoY Change
Other Investing Activities	-$2.820M	-$1.820M	$5.040M
YoY Change	3928.57%	-167.91%	-11.73%
Cash From Investing Activities	-$2.860M	-$1.800M	$3.930M
YoY Change	320.59%	-192.31%	-18.46%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$0.00
YoY Change			-100.0%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	2.850M	-2.510M	-5.910M
YoY Change	-403.19%	-268.46%	2.07%
NET CHANGE
Cash From Operating Activities	550.0K	-160.0K	1.450M
Cash From Investing Activities	-2.860M	-1.800M	3.930M
Cash From Financing Activities	2.850M	-2.510M	-5.910M
Net Change In Cash	540.0K	-4.470M	-530.0K
YoY Change	-155.1%	-217.02%	-124.88%
FREE CASH FLOW
Cash From Operating Activities	$550.0K	-$160.0K	$1.450M
Capital Expenditures	$40.00K	$20.00K	$1.108M
Free Cash Flow	$510.0K	-$180.0K	$342.0K
YoY Change	1357.14%	-116.36%	-84.57%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2016	dei	Entity Registrant Name EntityRegistrantName	Kentucky First Federal Bancorp
CY2016	dei	Entity Central Index Key EntityCentralIndexKey	0001297341
CY2016Q2	us-gaap	Cash And Due From Banks CashAndDueFromBanks	4297000	USD
CY2015Q2	us-gaap	Cash And Due From Banks CashAndDueFromBanks	3864000	USD
CY2016Q2	kffb	Interest Bearing Demand Deposits InterestBearingDemandDeposits	8811000	USD
CY2016Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	13108000	USD
CY2016Q2	us-gaap	Available For Sale Securities AvailableForSaleSecurities	134000	USD
CY2015Q2	kffb	Interest Bearing Demand Deposits InterestBearingDemandDeposits	9771000	USD
CY2015Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	13635000	USD
CY2015Q2	us-gaap	Available For Sale Securities AvailableForSaleSecurities	159000	USD
CY2016	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	15000	USD
CY2016Q2	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2015Q2	us-gaap	Common Stock Value CommonStockValue	86000	USD
CY2016Q2	us-gaap	Common Stock Value CommonStockValue	86000	USD
CY2015Q2	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	34638000	USD
CY2016Q2	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	34639000	USD
CY2015Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	34711000	USD
CY2016Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	34732000	USD
CY2015Q2	us-gaap	Unearned Esop Shares UnearnedESOPShares	1223000	USD
CY2016Q2	us-gaap	Unearned Esop Shares UnearnedESOPShares	1036000	USD
CY2015Q2	us-gaap	Treasury Stock Value TreasuryStockValue	937000	USD
CY2015	us-gaap	Interest And Dividend Income Securities Other InterestAndDividendIncomeSecuritiesOther	25000	USD
CY2015Q2	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	243815000	USD
CY2016Q2	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	238468000	USD
CY2015Q2	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	1593000	USD
CY2016Q2	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	527000	USD
CY2015Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	5235000	USD
CY2016Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	6022000	USD
CY2015Q2	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	6482000	USD
CY2016Q2	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	6482000	USD
CY2015Q2	us-gaap	Interest Receivable InterestReceivable	725000	USD
CY2016Q2	us-gaap	Interest Receivable InterestReceivable	710000	USD
CY2015Q2	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	2971000	USD
CY2016Q2	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	3064000	USD
CY2015Q2	us-gaap	Goodwill Goodwill	14507000	USD
CY2016Q2	us-gaap	Goodwill Goodwill	14507000	USD
CY2015Q2	us-gaap	Prepaid Expense And Other Assets Noncurrent PrepaidExpenseAndOtherAssetsNoncurrent	653000	USD
CY2016Q2	us-gaap	Prepaid Expense And Other Assets Noncurrent PrepaidExpenseAndOtherAssetsNoncurrent	966000	USD
CY2015Q2	us-gaap	Assets Assets	296298000	USD
CY2016Q2	us-gaap	Assets Assets	291871000	USD
CY2015Q2	us-gaap	Deposits Deposits	199701000	USD
CY2016Q2	us-gaap	Deposits Deposits	188572000	USD
CY2015Q2	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	26635000	USD
CY2016Q2	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	33211000	USD
CY2015Q2	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	699000	USD
CY2016Q2	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	741000	USD
CY2015Q2	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	32000	USD
CY2016Q2	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	22000	USD
CY2015Q2	us-gaap	Deferred Tax Liabilities Current DeferredTaxLiabilitiesCurrent	569000	USD
CY2016Q2	us-gaap	Deferred Tax Liabilities Current DeferredTaxLiabilitiesCurrent	642000	USD
CY2015Q2	us-gaap	Deferred Revenue DeferredRevenue	610000	USD
CY2016Q2	us-gaap	Deferred Revenue DeferredRevenue	595000	USD
CY2015Q2	us-gaap	Other Liabilities OtherLiabilities	661000	USD
CY2016Q2	us-gaap	Other Liabilities OtherLiabilities	573000	USD
CY2015Q2	us-gaap	Liabilities Liabilities	228985000	USD
CY2016Q2	us-gaap	Liabilities Liabilities	224356000	USD
CY2015Q2	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2016Q2	us-gaap	Treasury Stock Value TreasuryStockValue	937000	USD
CY2015Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	38000	USD
CY2016Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	31000	USD
CY2015Q2	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	6423000	USD
CY2016Q2	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	4079000	USD
CY2015Q2	us-gaap	Stockholders Equity StockholdersEquity	67313000	USD
CY2016Q2	us-gaap	Stockholders Equity StockholdersEquity	67515000	USD
CY2015Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	296298000	USD
CY2016Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	291871000	USD
CY2016Q2	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	0	USD
CY2015Q2	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	100000	USD
CY2015Q2	us-gaap	Accrued Income Taxes AccruedIncomeTaxes	78000	USD
CY2016Q2	us-gaap	Prepaid Taxes PrepaidTaxes	93000	USD
CY2015Q2	us-gaap	Prepaid Taxes PrepaidTaxes	0	USD
CY2016Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2015Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2016	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	11254000	USD
CY2015	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	11996000	USD
CY2016	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	10274000	USD
CY2015	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	110000	USD
CY2016	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	94000	USD
CY2015	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	343000	USD
CY2016	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	15000	USD
CY2015	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	10618000	USD
CY2016	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	10259000	USD
CY2015	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	93000	USD
CY2016	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	93000	USD
CY2015	us-gaap	Real Estate Owned Valuation Allowance Provision1 RealEstateOwnedValuationAllowanceProvision1	87000	USD
CY2016	us-gaap	Real Estate Owned Valuation Allowance Provision1 RealEstateOwnedValuationAllowanceProvision1	151000	USD
CY2015	us-gaap	Noninterest Income Other NoninterestIncomeOther	273000	USD
CY2016	us-gaap	Noninterest Income Other NoninterestIncomeOther	274000	USD
CY2015	us-gaap	Noninterest Income NoninterestIncome	514000	USD
CY2016	us-gaap	Noninterest Income NoninterestIncome	387000	USD
CY2016	us-gaap	Interest And Dividend Income Securities Other InterestAndDividendIncomeSecuritiesOther	18000	USD
CY2015	us-gaap	Interest And Fee Income Other Loans Held For Sale InterestAndFeeIncomeOtherLoansHeldForSale	258000	USD
CY2016	us-gaap	Interest And Fee Income Other Loans Held For Sale InterestAndFeeIncomeOtherLoansHeldForSale	268000	USD
CY2015	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	12389000	USD
CY2016	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	11634000	USD
CY2015	us-gaap	Interest Expense Deposits InterestExpenseDeposits	1190000	USD
CY2016	us-gaap	Interest Expense Deposits InterestExpenseDeposits	1058000	USD
CY2015	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	238000	USD
CY2016	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	302000	USD
CY2015	us-gaap	Interest Expense InterestExpense	1428000	USD
CY2016	us-gaap	Interest Expense InterestExpense	1360000	USD
CY2015	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	10961000	USD
CY2015	us-gaap	Labor And Related Expense LaborAndRelatedExpense	4859000	USD
CY2016	us-gaap	Labor And Related Expense LaborAndRelatedExpense	5319000	USD
CY2015	kffb	Occupancy And Equipment OccupancyAndEquipment	610000	USD
CY2016	kffb	Occupancy And Equipment OccupancyAndEquipment	669000	USD
CY2015	kffb	Outside Service Fee OutsideServiceFee	198000	USD
CY2016	kffb	Outside Service Fee OutsideServiceFee	75000	USD
CY2015	us-gaap	Legal Fees LegalFees	94000	USD
CY2016	us-gaap	Legal Fees LegalFees	145000	USD
CY2015	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	429000	USD
CY2016	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	397000	USD
CY2015	us-gaap	Professional Fees ProfessionalFees	252000	USD
CY2016	us-gaap	Professional Fees ProfessionalFees	276000	USD
CY2015	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	230000	USD
CY2016	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	215000	USD
CY2015	us-gaap	Taxes Other TaxesOther	261000	USD
CY2016	us-gaap	Taxes Other TaxesOther	247000	USD
CY2015	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	180000	USD
CY2016	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	95000	USD
CY2015	us-gaap	Other Noninterest Expense OtherNoninterestExpense	929000	USD
CY2016	us-gaap	Other Noninterest Expense OtherNoninterestExpense	1111000	USD
CY2015	us-gaap	Noninterest Expense NoninterestExpense	8042000	USD
CY2016	us-gaap	Noninterest Expense NoninterestExpense	8549000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	2097000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	3090000	USD
CY2015	us-gaap	Net Income Loss NetIncomeLoss	2069000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	1501000	USD
CY2015	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.25
CY2016	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.18
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	596000	USD
CY2015	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	154000	USD
CY2015	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	627000	USD
CY2015	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-166000	USD
CY2015	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	22000	USD
CY2015	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	0	USD
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1021000	USD
CY2015	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	207000	USD
CY2016	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	51000	USD
CY2015	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	28000	USD
CY2015	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-32000	USD
CY2016	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-7000	USD
CY2015	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	2037000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1494000	USD
CY2015	us-gaap	Depreciation Depreciation	278000	USD
CY2016	us-gaap	Depreciation Depreciation	321000	USD
CY2015	kffb	Accretion Of Purchased Loan Discount AccretionOfPurchasedLoanDiscount	310000	USD
CY2016	kffb	Accretion Of Purchased Loan Discount AccretionOfPurchasedLoanDiscount	164000	USD
CY2015	kffb	Amortization Of Purchased Loan Premium AmortizationOfPurchasedLoanPremium	18000	USD
CY2016	kffb	Amortization Of Purchased Loan Premium AmortizationOfPurchasedLoanPremium	17000	USD
CY2015	kffb	Amortization Accretion Of Deferred Loan Origination Costs AmortizationAccretionOfDeferredLoanOriginationCosts	55000	USD
CY2016	kffb	Amortization Accretion Of Deferred Loan Origination Costs AmortizationAccretionOfDeferredLoanOriginationCosts	39000	USD
CY2015	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-148000	USD
CY2016	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-80000	USD
CY2015	kffb	Accretion Of Premiums On Deposits AccretionOfPremiumsOnDeposits	212000	USD
CY2016	kffb	Accretion Of Premiums On Deposits AccretionOfPremiumsOnDeposits	84000	USD
CY2015	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	186000	USD
CY2016	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	120000	USD
CY2015	us-gaap	Impairment Of Investments ImpairmentOfInvestments	87000	USD
CY2016	us-gaap	Impairment Of Investments ImpairmentOfInvestments	151000	USD
CY2015	kffb	Deferred Gain On Sale Of Real Estate Owned DeferredGainOnSaleOfRealEstateOwned	21000	USD
CY2016	kffb	Deferred Gain On Sale Of Real Estate Owned DeferredGainOnSaleOfRealEstateOwned	15000	USD
CY2016	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	188000	USD
CY2015	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	699000	USD
CY2016	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	1231000	USD
CY2016	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	1382000	USD
CY2016	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-15000	USD
CY2016	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	313000	USD
CY2016	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-10000	USD
CY2015	us-gaap	Increase Decrease In Accounts Payable And Other Operating Liabilities IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities	42000	USD
CY2016	us-gaap	Increase Decrease In Accounts Payable And Other Operating Liabilities IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities	-88000	USD
CY2015	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	3096000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	1446000	USD
CY2016	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	13264000	USD
CY2015	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	10947000	USD
CY2016	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	14000	USD
CY2015	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	40000	USD
CY2016	us-gaap	Proceeds From Sale Of Wholly Owned Real Estate And Real Estate Acquired In Settlement Of Loans ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans	888000	USD
CY2015	us-gaap	Proceeds From Sale Of Wholly Owned Real Estate And Real Estate Acquired In Settlement Of Loans ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans	1831000	USD
CY2016	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1108000	USD
CY2015	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	884000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	3934000	USD
CY2015	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	4822000	USD
CY2016	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-11045000	USD
CY2015	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-13229000	USD
CY2016	us-gaap	Increase Decrease In Advance Payments By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance	42000	USD
CY2015	us-gaap	Increase Decrease In Advance Payments By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance	83000	USD
CY2016	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	1480000	USD
CY2015	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	1385000	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-5907000	USD
CY2015	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-5794000	USD
CY2016	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-527000	USD
CY2015	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	2124000	USD
CY2014Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	11511000	USD
CY2016	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	26624000	USD
CY2015	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	14365000	USD
CY2016	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	33200000	USD
CY2015	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	23800000	USD
CY2016	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	-5739000	USD
CY2015	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	-1388000	USD
CY2016	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	11000000	USD
CY2015	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	8500000	USD
CY2016	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2015	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	698000	USD
CY2016Q2	us-gaap	Loans And Leases Receivable Consumer Construction LoansAndLeasesReceivableConsumerConstruction	2809000	USD
CY2015Q2	us-gaap	Loans And Leases Receivable Consumer Construction LoansAndLeasesReceivableConsumerConstruction	3780000	USD
CY2015Q2	kffb	Loans Receivable Commercial Land LoansReceivableCommercialLand	2021000	USD
CY2016Q2	kffb	Loans Receivable Commercial Land LoansReceivableCommercialLand	1186000	USD
CY2015Q2	us-gaap	Loans Receivable Commercial Agricultural LoansReceivableCommercialAgricultural	1567000	USD
CY2016Q2	us-gaap	Loans Receivable Commercial Agricultural LoansReceivableCommercialAgricultural	1735000	USD
CY2015Q2	us-gaap	Loans Receivable Commercial Real Estate LoansReceivableCommercialRealEstate	22118000	USD
CY2016Q2	us-gaap	Loans Receivable Commercial Real Estate LoansReceivableCommercialRealEstate	27138000	USD
CY2015Q2	kffb	Loans And Leases Receivable Loans On Deposits LoansAndLeasesReceivableLoansOnDeposits	2262000	USD
CY2016Q2	kffb	Loans And Leases Receivable Loans On Deposits LoansAndLeasesReceivableLoansOnDeposits	1813000	USD
CY2015Q2	us-gaap	Loans And Leases Receivable Consumer Home Equity LoansAndLeasesReceivableConsumerHomeEquity	5477000	USD
CY2016Q2	us-gaap	Loans And Leases Receivable Consumer Home Equity LoansAndLeasesReceivableConsumerHomeEquity	6155000	USD
CY2015Q2	kffb	Loans And Leases Receivable Automobile LoansAndLeasesReceivableAutomobile	73000	USD
CY2016Q2	kffb	Loans And Leases Receivable Automobile LoansAndLeasesReceivableAutomobile	69000	USD
CY2015Q2	kffb	Loans And Leases Receivable Unsecured LoansAndLeasesReceivableUnsecured	605000	USD
CY2016Q2	kffb	Loans And Leases Receivable Unsecured LoansAndLeasesReceivableUnsecured	552000	USD
CY2015Q2	us-gaap	Loans And Leases Receivable Loans In Process LoansAndLeasesReceivableLoansInProcess	2753000	USD
CY2016Q2	us-gaap	Loans And Leases Receivable Loans In Process LoansAndLeasesReceivableLoansInProcess	5118000	USD
CY2015Q2	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	109000	USD
CY2016Q2	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	113000	USD
CY2016Q2	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	10836000	USD
CY2016Q2	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	234152000	USD
CY2016Q2	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	244988000	USD
CY2015Q2	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	9549000	USD
CY2015Q2	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	238478000	USD
CY2015Q2	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	248027000	USD
CY2015Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	1568000	USD
CY2016	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	80000	USD
CY2016	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	12000	USD
CY2016Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	1515000	USD
CY2014Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	1473000	USD
CY2015	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	343000	USD
CY2015	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	274000	USD
CY2015	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	26000	USD
CY2016Q2	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Outstanding Balance CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesOutstandingBalance	2310000	USD
CY2015Q2	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Outstanding Balance CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesOutstandingBalance	3472000	USD
CY2016	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldAccretion	164000	USD
CY2015Q2	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYield	1021000	USD
CY2015	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldAccretion	457000	USD
CY2015	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Reclassifications From Nonaccretable Difference CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldReclassificationsFromNonaccretableDifference	0	USD
CY2015	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Disposals Of Loans CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldDisposalsOfLoans	0	USD
CY2014Q2	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYield	1478000	USD
CY2016	dei	Document Type DocumentType	10-K
CY2016	dei	Amendment Flag AmendmentFlag	false
CY2016	dei	Document Period End Date DocumentPeriodEndDate	2016-06-30
CY2016	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2016
CY2016	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2016	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--06-30
CY2016	dei	Entity Filer Category EntityFilerCategory	Smaller Reporting Company
CY2016	dei	Trading Symbol TradingSymbol	KFFB
CY2016Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	8439515	shares
CY2016Q2	us-gaap	Time Deposits At Carrying Value TimeDepositsAtCarryingValue	3711000	USD
CY2015Q2	us-gaap	Time Deposits At Carrying Value TimeDepositsAtCarryingValue	0	USD
CY2016Q2	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	4151000	USD
CY2015Q2	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	6534000	USD
CY2016Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	500000	shares
CY2015Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	500000	shares
CY2016Q2	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2015Q2	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2016Q2	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2015Q2	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2016Q2	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2015Q2	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2016Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2015Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2016Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	20000000	shares
CY2015Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	20000000	shares
CY2016Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	8596064	shares
CY2015Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	8596064	shares
CY2016Q2	us-gaap	Treasury Stock Shares TreasuryStockShares	112563	shares
CY2015Q2	us-gaap	Treasury Stock Shares TreasuryStockShares	112563	shares
CY2016	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	524000	USD
CY2015	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	646000	USD
CY2016	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	72000	USD
CY2015	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	375000	USD
CY2016	us-gaap	Use Of Estimates UseOfEstimates	<div style="MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif "> <div style="CLEAR:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;MARGIN: 0pt 0px 0pt 0.2in; FONT: 10pt Times New Roman, Times, Serif" align="justify"></div> <div style="CLEAR:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;TEXT-INDENT: 0.9pt; MARGIN: 0pt 0px 0pt 13.5pt; FONT: 10pt Times New Roman, Times, Serif" align="justify"><font style="FONT-FAMILY:Times New Roman, Times, Serif"> 2.     <u>Use of Estimates</u>: 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.</font></div> </div><table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table>
CY2016	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	4000	USD
CY2015	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	16000	USD
CY2016	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif "> <div style="CLEAR:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;LINE-HEIGHT: normal; MARGIN: 0in 0in 0pt 0.25in" align="justify"></div> <div style="CLEAR:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;LINE-HEIGHT: normal; TEXT-INDENT: 0.9pt; MARGIN: 0in 0in 0pt 0.25in" align="justify"><font style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 10pt">25. <u> Reclassifications</u>: Some items in the prior year financial statements were reclassified to conform to the current presentation. Reclassifications had no effect on prior year net income or shareholders’ equity.</font></div> </div><table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table>
CY2014Q2	us-gaap	Stockholders Equity StockholdersEquity	67205000	USD
CY2015	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Employee Stock Purchase Program Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationEmployeeStockPurchaseProgramRequisiteServicePeriodRecognition	154000	USD
CY2015	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	698000	USD
CY2015	us-gaap	Adjustments To Additional Paid In Capital Dividends In Excess Of Retained Earnings AdjustmentsToAdditionalPaidInCapitalDividendsInExcessOfRetainedEarnings	1385000	USD
CY2016	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Employee Stock Purchase Program Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationEmployeeStockPurchaseProgramRequisiteServicePeriodRecognition	188000	USD
CY2015	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	84677000	shares
CY2015	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.40
CY2016	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.40
CY2016	kffb	Increase Decrease In Current Federal Income Tax Benefit IncreaseDecreaseInCurrentFederalIncomeTaxBenefit	-171000	USD
CY2015	kffb	Increase Decrease In Current Federal Income Tax Benefit IncreaseDecreaseInCurrentFederalIncomeTaxBenefit	305000	USD
CY2016	kffb	Increase Decrease In Deferred Federal Income Tax Benefit IncreaseDecreaseInDeferredFederalIncomeTaxBenefit	77000	USD
CY2015Q2	us-gaap	Employee Stock Ownership Plan Esop Number Of Committed To Be Released Shares EmployeeStockOwnershipPlanESOPNumberOfCommittedToBeReleasedShares	9338	shares
CY2016Q2	us-gaap	Employee Stock Ownership Plan Esop Number Of Suspense Shares EmployeeStockOwnershipPlanESOPNumberOfSuspenseShares	103636	shares
CY2015	kffb	Increase Decrease In Deferred Federal Income Tax Benefit IncreaseDecreaseInDeferredFederalIncomeTaxBenefit	375000	USD
CY2016Q2	us-gaap	Employee Stock Ownership Plan Esop Number Of Allocated Shares EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares	125411	shares
CY2015Q2	us-gaap	Employee Stock Ownership Plan Esop Number Of Allocated Shares EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares	132058	shares
CY2016Q2	us-gaap	Employee Stock Ownership Plan Esop Number Of Committed To Be Released Shares EmployeeStockOwnershipPlanESOPNumberOfCommittedToBeReleasedShares	9338	shares
CY2015Q2	us-gaap	Employee Stock Ownership Plan Esop Number Of Suspense Shares EmployeeStockOwnershipPlanESOPNumberOfSuspenseShares	122311	shares
CY2016Q2	us-gaap	Employee Stock Ownership Plan Esop Shares In Esop EmployeeStockOwnershipPlanESOPSharesInESOP	238385	shares
CY2015Q2	us-gaap	Employee Stock Ownership Plan Esop Shares In Esop EmployeeStockOwnershipPlanESOPSharesInESOP	263707	shares
CY2016Q2	us-gaap	Employee Stock Ownership Plan Esop Fair Value Of Shares Subject To Repurchase Obligation EmployeeStockOwnershipPlanESOPFairValueOfSharesSubjectToRepurchaseObligation	850000	USD
CY2015Q2	us-gaap	Employee Stock Ownership Plan Esop Fair Value Of Shares Subject To Repurchase Obligation EmployeeStockOwnershipPlanESOPFairValueOfSharesSubjectToRepurchaseObligation	1025000	USD
CY2016	us-gaap	Payments For Deposits With Other Institutions PaymentsForDepositsWithOtherInstitutions	3711000	USD
CY2015	us-gaap	Payments For Deposits With Other Institutions PaymentsForDepositsWithOtherInstitutions	0	USD
CY2016	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	152000	USD
CY2015	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	0	USD
CY2015Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	325800	shares
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2016	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	0	shares
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	325800	shares
CY2016Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	0	shares
CY2016Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	0	shares
CY2015Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	10.10
CY2016	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
CY2016	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	0
CY2016	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	10.10
CY2016Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	0
CY2016Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	0
CY2016Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	0	USD
CY2016Q2	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	0	USD
CY2016	us-gaap	Income Taxes Paid IncomeTaxesPaid	710000	USD
CY2015	us-gaap	Income Taxes Paid IncomeTaxesPaid	330000	USD
CY2016	us-gaap	Interest Paid InterestPaid	1454000	USD
CY2015	us-gaap	Interest Paid InterestPaid	1640000	USD
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	8324195	shares
CY2015	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	8348785	shares
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	8324195	shares
CY2015	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	8348785	shares
CY2016Q2	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	759000	USD
CY2016	kffb	Percentage Of Increase In Capital Conservation PercentageOfIncreaseInCapitalConservation	0.00625	pure
CY2016	kffb	Dividends Waived DividendsWaived	1900000	USD
CY2016Q2	us-gaap	Mortgage Loans On Real Estate Face Amount Of Mortgages MortgageLoansOnRealEstateFaceAmountOfMortgages	2200000	USD
CY2015Q2	us-gaap	Mortgage Loans On Real Estate Face Amount Of Mortgages MortgageLoansOnRealEstateFaceAmountOfMortgages	1900000	USD
CY2016	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	713000	USD
CY2015	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	1051000	USD
CY2016	us-gaap	Income Tax Reconciliation Nondeductible Expense Life Insurance IncomeTaxReconciliationNondeductibleExpenseLifeInsurance	-32000	USD
CY2015	us-gaap	Income Tax Reconciliation Nondeductible Expense Life Insurance IncomeTaxReconciliationNondeductibleExpenseLifeInsurance	-31000	USD
CY2016	kffb	Effective Income Tax Rate Reconciliation Tax Credit Reserve Amount EffectiveIncomeTaxRateReconciliationTaxCreditReserveAmount	87000	USD
CY2015	kffb	Effective Income Tax Rate Reconciliation Tax Credit Reserve Amount EffectiveIncomeTaxRateReconciliationTaxCreditReserveAmount	0	USD
CY2016	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	2000	USD
CY2015	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	1000	USD
CY2016	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	596000	USD
CY2015	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	1021000	USD
CY2016Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	515000	USD
CY2015Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	533000	USD
CY2016Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	156000	USD
CY2015Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	243000	USD
CY2016Q2	us-gaap	Deferred Tax Assets Charitable Contribution Carryforwards DeferredTaxAssetsCharitableContributionCarryforwards	1000	USD
CY2015Q2	us-gaap	Deferred Tax Assets Charitable Contribution Carryforwards DeferredTaxAssetsCharitableContributionCarryforwards	1000	USD
CY2016Q2	kffb	Deferred Tax Assets Fair Value Accounting Adjustment On Acquisition DeferredTaxAssetsFairValueAccountingAdjustmentOnAcquisition	510000	USD
CY2015Q2	kffb	Deferred Tax Assets Fair Value Accounting Adjustment On Acquisition DeferredTaxAssetsFairValueAccountingAdjustmentOnAcquisition	604000	USD
CY2016Q2	kffb	Deferred Tax Assets Nonaccured Interest On Loans DeferredTaxAssetsNonaccuredInterestOnLoans	135000	USD
CY2015Q2	kffb	Deferred Tax Assets Nonaccured Interest On Loans DeferredTaxAssetsNonaccuredInterestOnLoans	129000	USD
CY2016Q2	kffb	Deferred Tax Assets Other Real Estate Owned Adjustments DeferredTaxAssetsOtherRealEstateOwnedAdjustments	233000	USD
CY2015Q2	kffb	Deferred Tax Assets Other Real Estate Owned Adjustments DeferredTaxAssetsOtherRealEstateOwnedAdjustments	254000	USD
CY2016Q2	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	13000	USD
CY2015Q2	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	0	USD
CY2016Q2	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	0	USD
CY2015Q2	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	15000	USD
CY2016Q2	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	1563000	USD
CY2015Q2	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	1779000	USD
CY2016Q2	kffb	Deferred Tax Liabilities Federal Home Loan Bank Stock Dividends DeferredTaxLiabilitiesFederalHomeLoanBankStockDividends	1337000	USD
CY2015Q2	kffb	Deferred Tax Liabilities Federal Home Loan Bank Stock Dividends DeferredTaxLiabilitiesFederalHomeLoanBankStockDividends	1337000	USD
CY2016Q2	kffb	Deferred Tax Liabilities Deferred Loan Origination Costs DeferredTaxLiabilitiesDeferredLoanOriginationCosts	39000	USD
CY2015Q2	kffb	Deferred Tax Liabilities Deferred Loan Origination Costs DeferredTaxLiabilitiesDeferredLoanOriginationCosts	26000	USD
CY2016Q2	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	32000	USD
CY2015Q2	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	29000	USD
CY2016Q2	kffb	Deferred Tax Liabilities Fair Value Accounting Adjustments On Acquisition DeferredTaxLiabilitiesFairValueAccountingAdjustmentsOnAcquisition	779000	USD
CY2015Q2	kffb	Deferred Tax Liabilities Fair Value Accounting Adjustments On Acquisition DeferredTaxLiabilitiesFairValueAccountingAdjustmentsOnAcquisition	795000	USD
CY2016Q2	kffb	Deferred Tax Liabilities Unrealized Gain On Investments DeferredTaxLiabilitiesUnrealizedGainOnInvestments	15000	USD
CY2015Q2	kffb	Deferred Tax Liabilities Unrealized Gain On Investments DeferredTaxLiabilitiesUnrealizedGainOnInvestments	19000	USD
CY2016Q2	kffb	Deferred Tax Liabilities Depreciation DeferredTaxLiabilitiesDepreciation	0	USD
CY2015Q2	kffb	Deferred Tax Liabilities Depreciation DeferredTaxLiabilitiesDepreciation	62000	USD
CY2016Q2	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	3000	USD
CY2015Q2	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	0	USD
CY2016Q2	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	2205000	USD
CY2015Q2	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	2268000	USD
CY2016Q2	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	642000	USD
CY2015Q2	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	489000	USD
CY2015Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	87000	USD
CY2014Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	87000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	-87000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	0	USD
CY2016Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY1997	kffb	Effective Income Tax Rate Reconciliation Deductions Bad Debt EffectiveIncomeTaxRateReconciliationDeductionsBadDebt	0.08	pure
CY2016	kffb	Retained Earnings Not Recognized Federal Income Taxes RetainedEarningsNotRecognizedFederalIncomeTaxes	5200000	USD
CY2016Q2	us-gaap	Deferred Tax Liability Not Recognized Amount Of Unrecognized Deferred Tax Liability Bad Debt Reserve For Tax Purposes Of Qualified Lender DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiabilityBadDebtReserveForTaxPurposesOfQualifiedLender	1800000	USD
CY2016Q2	us-gaap	Taxes Payable Current And Noncurrent TaxesPayableCurrentAndNoncurrent	80000	USD
CY2016Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	26931000	USD
CY2016Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From One To Two Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate	2328000	USD
CY2016Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Two To Three Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate	3249000	USD
CY2016Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Three To Four Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate	189000	USD
CY2016Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Four To Five Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate	142000	USD
CY2016Q2	kffb	Federal Home Loan Bank Advances Maturities Summary Due From Five To Six Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFiveToSixYearsOfBalanceSheetDate	107000	USD
CY2016Q2	kffb	Federal Home Loan Bank Advances Maturities Summary Due From Six To Seven Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromSixToSevenYearsOfBalanceSheetDate	79000	USD
CY2016Q2	kffb	Federal Home Loan Bank Advances Maturities Summary Due From Seven To Eight Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromSevenToEightYearsOfBalanceSheetDate	186000	USD
CY2016Q2	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	33211000	USD
CY2015Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	13923000	USD
CY2015Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From One To Two Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate	6431000	USD
CY2015Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Two To Three Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate	2328000	USD
CY2015Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Three To Four Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate	3249000	USD
CY2015Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Four To Five Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate	189000	USD
CY2015Q2	kffb	Federal Home Loan Bank Advances Maturities Summary Due From Five To Six Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFiveToSixYearsOfBalanceSheetDate	142000	USD
CY2015Q2	kffb	Federal Home Loan Bank Advances Maturities Summary Due From Six To Seven Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromSixToSevenYearsOfBalanceSheetDate	107000	USD
CY2015Q2	kffb	Federal Home Loan Bank Advances Maturities Summary Due From Seven To Eight Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromSevenToEightYearsOfBalanceSheetDate	266000	USD
CY2015Q2	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	26635000	USD
CY2016Q2	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Maximum Amount Available FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresMaximumAmountAvailable	89100000	USD
CY2016Q2	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Collateral Pledged1 FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1	4600000	USD
CY2016Q2	us-gaap	Noninterest Bearing Domestic Deposit Checking NoninterestBearingDomesticDepositChecking	3989000	USD
CY2015Q2	us-gaap	Noninterest Bearing Domestic Deposit Checking NoninterestBearingDomesticDepositChecking	4073000	USD
CY2016Q2	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	14456000	USD
CY2015Q2	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	13255000	USD
CY2015Q2	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	14904000	USD
CY2016Q2	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	50169000	USD
CY2015Q2	kffb	Time Deposit Maturities Rolling Between Year Two And Three TimeDepositMaturitiesRollingBetweenYearTwoAndThree	35616000	USD
CY2015Q2	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	51371000	USD
CY2016Q2	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	13200000	USD
CY2016Q2	kffb	Time Deposit Maturities After Rolling Year Three TimeDepositMaturitiesAfterRollingYearThree	11668000	USD
CY2015Q2	kffb	Time Deposit Maturities After Rolling Year Three TimeDepositMaturitiesAfterRollingYearThree	4626000	USD
CY2016Q2	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	72413000	USD
CY2016Q2	kffb	Deposits Excluding Time Deposits DepositsExcludingTimeDeposits	81814000	USD
CY2016Q2	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	23129000	USD
CY2016Q2	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	4176000	USD
CY2016Q2	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	3052000	USD
CY2016Q2	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	3988000	USD
CY2016Q2	kffb	Time Deposits250000 Or More TimeDeposits250000OrMore	5200000	USD
CY2015Q2	kffb	Time Deposits250000 Or More TimeDeposits250000OrMore	5200000	USD
CY2015Q2	kffb	Deposits Excluding Time Deposits DepositsExcludingTimeDeposits	83603000	USD
CY2016Q2	us-gaap	Time Deposits TimeDeposits	106758000	USD
CY2015Q2	us-gaap	Time Deposits TimeDeposits	116098000	USD
CY2016Q2	kffb	Time Deposit Maturities Less Than Rolling Twelve Months TimeDepositMaturitiesLessThanRollingTwelveMonths	75007000	USD
CY2015Q2	kffb	Time Deposit Maturities Less Than Rolling Twelve Months TimeDepositMaturitiesLessThanRollingTwelveMonths	75856000	USD
CY2016Q2	kffb	Time Deposit Maturities Rolling Between Year Two And Three TimeDepositMaturitiesRollingBetweenYearTwoAndThree	20083000	USD
CY2016Q2	us-gaap	Land Land	1693000	USD
CY2015Q2	us-gaap	Land Land	1693000	USD
CY2016Q2	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	8005000	USD
CY2015Q2	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	7104000	USD
CY2016Q2	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	1939000	USD
CY2015Q2	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	2219000	USD
CY2016Q2	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	64000	USD
CY2015Q2	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	64000	USD
CY2016Q2	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	11701000	USD
CY2015Q2	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	11080000	USD
CY2016Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	5679000	USD
CY2015Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	5845000	USD
CY2015Q2	us-gaap	Other Real Estate OtherRealEstate	1593000	USD
CY2014Q2	us-gaap	Other Real Estate OtherRealEstate	1846000	USD
CY2016	us-gaap	Other Real Estate Improvements OtherRealEstateImprovements	421000	USD
CY2015	us-gaap	Other Real Estate Improvements OtherRealEstateImprovements	2065000	USD
CY2016	us-gaap	Other Real Estate Additions OtherRealEstateAdditions	152000	USD
CY2015	us-gaap	Other Real Estate Additions OtherRealEstateAdditions	57000	USD
CY2016	us-gaap	Other Real Estate Valuation Adjustments OtherRealEstateValuationAdjustments	151000	USD
CY2015	us-gaap	Other Real Estate Valuation Adjustments OtherRealEstateValuationAdjustments	87000	USD
CY2016	us-gaap	Other Real Estate Disposals OtherRealEstateDisposals	1488000	USD
CY2015	us-gaap	Other Real Estate Disposals OtherRealEstateDisposals	2288000	USD
CY2016Q2	us-gaap	Other Real Estate OtherRealEstate	527000	USD
CY2015	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod	147000	USD
CY2016Q2	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	3400000	USD
CY2016Q2	kffb	Financing Receivables Acquired With Deteriorated Credit Quality FinancingReceivablesAcquiredWithDeterioratedCreditQuality	2310000	USD
CY2016Q2	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	0	USD
CY2016Q2	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	1515000	USD
CY2015Q2	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	2506000	USD
CY2015Q2	kffb	Financing Receivables Acquired With Deteriorated Credit Quality FinancingReceivablesAcquiredWithDeterioratedCreditQuality	3472000	USD
CY2015Q2	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	0	USD
CY2015Q2	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	1568000	USD
CY2016Q2	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	5710000	USD
CY2016	kffb	Impaired Financing Receivable With No Related Allowance Allowance For Loan Losses Allocated ImpairedFinancingReceivableWithNoRelatedAllowanceAllowanceForLoanLossesAllocated	0	USD
CY2016	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod	97000	USD
CY2016	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	5873000	USD
CY2016	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	97000	USD
CY2015Q2	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	5978000	USD
CY2015	kffb	Impaired Financing Receivable With No Related Allowance Allowance For Loan Losses Allocated ImpairedFinancingReceivableWithNoRelatedAllowanceAllowanceForLoanLossesAllocated	0	USD
CY2015	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	5301000	USD
CY2015	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	147000	USD
CY2016Q2	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	4969000	USD
CY2015Q2	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	4767000	USD
CY2016Q2	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	2166000	USD
CY2015Q2	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	1745000	USD
CY2016	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	68000	USD
CY2015	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	248000	USD
CY2016Q2	us-gaap	Notes Receivable Net NotesReceivableNet	2300000	USD
CY2015Q2	us-gaap	Notes Receivable Net NotesReceivableNet	3500000	USD
CY2016	us-gaap	Financing Receivables Impaired Troubled Debt Restructuring Write Down FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown	1500000	USD
CY2016Q2	us-gaap	Certain Loans And Debt Securities Acquired In Transfer Allowance For Credit Losses Due To Subsequent Impairment CertainLoansAndDebtSecuritiesAcquiredInTransferAllowanceForCreditLossesDueToSubsequentImpairment	464000	USD
CY2015Q2	us-gaap	Certain Loans And Debt Securities Acquired In Transfer Allowance For Credit Losses Due To Subsequent Impairment CertainLoansAndDebtSecuritiesAcquiredInTransferAllowanceForCreditLossesDueToSubsequentImpairment	616000	USD
CY2016Q2	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	87000	USD
CY2016Q2	us-gaap	Held To Maturity Securities Amortized Cost Before Other Than Temporary Impairment HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment	4079000	USD
CY2015Q2	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	102000	USD
CY2015Q2	us-gaap	Held To Maturity Securities Amortized Cost Before Other Than Temporary Impairment HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment	6423000	USD
CY2015Q2	us-gaap	Securities Held As Collateral At Fair Value SecuritiesHeldAsCollateralAtFairValue	1200000	USD
CY2015	us-gaap	Unrealized Gain Loss On Securities UnrealizedGainLossOnSecurities	3000	USD
CY2016Q2	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	13108000	USD
CY2016Q2	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	242456000	USD
CY2016Q2	us-gaap	Accounts Receivable Fair Value Disclosure AccountsReceivableFairValueDisclosure	710000	USD
CY2016Q2	us-gaap	Deposits Fair Value Disclosure DepositsFairValueDisclosure	188634000	USD
CY2016Q2	us-gaap	Federal Home Loan Bank Borrowings Fair Value Disclosure FederalHomeLoanBankBorrowingsFairValueDisclosure	33517000	USD
CY2016Q2	us-gaap	Accounts Payable And Accrued Liabilities Fair Value Disclosure AccountsPayableAndAccruedLiabilitiesFairValueDisclosure	22000	USD
CY2016Q2	kffb	Advance Payments By Borrowers For Taxes And Insurance Fair Value Disclosure AdvancePaymentsByBorrowersForTaxesAndInsuranceFairValueDisclosure	741000	USD
CY2015Q2	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group Commercial And Industrial LoansReceivableHeldForSaleNetNotPartOfDisposalGroupCommercialAndIndustrial	100000	USD
CY2015Q2	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	13635000	USD
CY2015Q2	kffb	Available For Sale Securities Fair Value AvailableForSaleSecuritiesFairValue	159000	USD
CY2015Q2	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	101000	USD
CY2015Q2	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	248265000	USD
CY2015Q2	us-gaap	Accounts Receivable Fair Value Disclosure AccountsReceivableFairValueDisclosure	725000	USD
CY2015Q2	us-gaap	Deposits Fair Value Disclosure DepositsFairValueDisclosure	199907000	USD
CY2015Q2	us-gaap	Federal Home Loan Bank Borrowings Fair Value Disclosure FederalHomeLoanBankBorrowingsFairValueDisclosure	27265000	USD
CY2015Q2	kffb	Advance Payments By Borrowers For Taxes And Insurance Fair Value Disclosure AdvancePaymentsByBorrowersForTaxesAndInsuranceFairValueDisclosure	699000	USD
CY2015Q2	us-gaap	Accounts Payable And Accrued Liabilities Fair Value Disclosure AccountsPayableAndAccruedLiabilitiesFairValueDisclosure	32000	USD
CY2015Q2	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	100000	USD
CY2016	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	12000	USD
CY2015	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	14000	USD
CY2016	us-gaap	Proceeds From Sale Of Mortgage Servicing Rights Msr ProceedsFromSaleOfMortgageServicingRightsMSR	11700000	USD
CY2015	us-gaap	Proceeds From Sale Of Mortgage Servicing Rights Msr ProceedsFromSaleOfMortgageServicingRightsMSR	11900000	USD
CY2016	kffb	Loan Sold Under Fhlb Program LoanSoldUnderFhlbProgram	1200000	USD
CY2016	kffb	Average Loan Serviced AverageLoanServiced	12000000	USD
CY2015	us-gaap	Servicing Fees Net ServicingFeesNet	20000	USD
CY2016	us-gaap	Servicing Fees Net ServicingFeesNet	21000	USD
CY2016	kffb	Mortgage Loans On Real Estate Borrowing Capacity Percentage MortgageLoansOnRealEstateBorrowingCapacityPercentage	0.95	pure
CY2016Q2	kffb	Loans And Leases Receivable Consumer Home Equity Borrowing Capacity Percentage LoansAndLeasesReceivableConsumerHomeEquityBorrowingCapacityPercentage	0.8	pure
CY2016	us-gaap	Deferred Compensation Arrangement With Individual Compensation Expense DeferredCompensationArrangementWithIndividualCompensationExpense	4000	USD
CY2015	us-gaap	Deferred Compensation Arrangement With Individual Compensation Expense DeferredCompensationArrangementWithIndividualCompensationExpense	15000	USD
CY2016Q2	us-gaap	Deferred Compensation Liability Current And Noncurrent DeferredCompensationLiabilityCurrentAndNoncurrent	61000	USD
CY2015Q2	us-gaap	Deferred Compensation Liability Current And Noncurrent DeferredCompensationLiabilityCurrentAndNoncurrent	177000	USD
CY2016Q2	us-gaap	Employee Stock Ownership Plan Esop Debt Structure Direct Loan Amount EmployeeStockOwnershipPlanESOPDebtStructureDirectLoanAmount	1400000	USD
CY2015Q2	us-gaap	Employee Stock Ownership Plan Esop Debt Structure Direct Loan Amount EmployeeStockOwnershipPlanESOPDebtStructureDirectLoanAmount	1600000	USD
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	280000	USD
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	280000	USD
CY2016	us-gaap	Mortgage Loans On Real Estate Periodic Payment Terms MortgageLoansOnRealEstatePeriodicPaymentTerms	30
CY2016Q2	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	353000	USD
CY2015Q2	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	540000	USD
CY2016	us-gaap	Sec Schedule Iii Real Estate Writedown Or Reserve Amount SECScheduleIIIRealEstateWritedownOrReserveAmount	145000	USD
CY2015	us-gaap	Sec Schedule Iii Real Estate Writedown Or Reserve Amount SECScheduleIIIRealEstateWritedownOrReserveAmount	54000	USD
CY2016Q2	us-gaap	Due To Related Parties Current And Noncurrent DueToRelatedPartiesCurrentAndNoncurrent	2700000	USD
CY2015Q2	us-gaap	Due To Related Parties Current And Noncurrent DueToRelatedPartiesCurrentAndNoncurrent	4200000	USD
CY2016	kffb	Transfers From Loans To Real Estate Acquired Through Foreclosure Net TransfersFromLoansToRealEstateAcquiredThroughForeclosureNet	442000	USD
CY2015	kffb	Transfers From Loans To Real Estate Acquired Through Foreclosure Net TransfersFromLoansToRealEstateAcquiredThroughForeclosureNet	2123000	USD
CY2016	kffb	Loans Made On Sale Of Real Estate Acquired Through Foreclosure LoansMadeOnSaleOfRealEstateAcquiredThroughForeclosure	741000	USD
CY2015	kffb	Loans Made On Sale Of Real Estate Acquired Through Foreclosure LoansMadeOnSaleOfRealEstateAcquiredThroughForeclosure	643000	USD
CY2015Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	2200000	USD
CY2016Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	2200000	USD
CY2015Q2	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	57000	USD
CY2015Q2	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	114000	USD
CY2015Q2	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	0	USD
CY2015Q2	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	3000	USD
CY2016Q2	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	47000	USD
CY2016Q2	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	0	USD
CY2016Q2	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	72000	USD
CY2016Q2	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	0	USD
CY2016Q2	kffb	Available For Sale Securities Fair Value AvailableForSaleSecuritiesFairValue	134000	USD
CY2015	us-gaap	Financing Receivables Impaired Troubled Debt Restructuring Write Down FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown	1500000	USD
CY2016Q2	kffb	Time Deposits Fair Value Disclosure TimeDepositsFairValueDisclosure	3711000	USD
CY2016	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2016	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2016	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2015Q4	dei	Entity Public Float EntityPublicFloat	29900000	USD

Files In Submission

Name	View Source	Status
0001144204-16-125756-index-headers.html	Edgar Link	pending
0001144204-16-125756-index.html	Edgar Link	pending
0001144204-16-125756.txt	Edgar Link	pending
0001144204-16-125756-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
kffb-20160630.xml	Edgar Link	completed
kffb-20160630.xsd	Edgar Link	pending
kffb-20160630_cal.xml	Edgar Link	unprocessable
kffb-20160630_def.xml	Edgar Link	unprocessable
kffb-20160630_lab.xml	Edgar Link	unprocessable
kffb-20160630_pre.xml	Edgar Link	unprocessable
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
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R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
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$KFFB
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2016 Q3 Form 10-K Financial Statement

#000114420416125756 Filed on September 28, 2016

Income Statement

Balance Sheet

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$KFFB Kentucky First Federal Bancorp Stock $kffb

2016 Q3 Form 10-K Financial Statement

#000114420416125756 Filed on September 28, 2016

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$KFFB
Kentucky First Federal Bancorp Stock $kffb