$KFFB
Kentucky First Federal Bancorp Stock $kffb

$kffb Overview Financials Valuation SEC Filings Company Website

2017 Q2 Form 10-Q Financial Statement

#000114420417027880 Filed on May 16, 2017

Income Statement

Concept	2017 Q2	2017 Q1	2016 Q2
Revenue		$2.863M
YoY Change		0.17%
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	$80.00K	$90.00K	$110.0K
YoY Change	-27.27%	50.0%	57.14%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense		$377.0K
YoY Change		10.56%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$340.0K	$262.0K	$570.0K
YoY Change	-40.35%	1.16%	-28.75%
Income Tax	$120.0K	$94.00K	$190.0K
% Of Pretax Income	35.29%	35.88%	33.33%
Net Earnings	$220.0K	$168.0K	$380.0K
YoY Change	-42.11%	-5.62%	-29.63%
Net Earnings / Revenue		5.87%
Basic Earnings Per Share
Diluted Earnings Per Share	$26.32K	$20.36K	$45.62K
COMMON SHARES
Basic Shares Outstanding	8.445M shares		8.440M shares
Diluted Shares Outstanding

Balance Sheet

Concept	2017 Q2	2017 Q1	2016 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents		$12.65M	$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	$5.800M	$5.821M	$6.022M
YoY Change	-3.69%	-3.61%	15.03%
Goodwill		$14.51M	$14.51M
YoY Change		0.0%	0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$308.5M	$305.3M	$291.9M
YoY Change	5.7%	3.81%	-1.49%
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	$2.000M	$1.800M	$1.900M
YoY Change	5.26%	5.88%	-5.0%
Total Long-Term Liabilities	$2.000M	$1.800M	$1.900M
YoY Change	5.26%	5.88%	-5.0%
TOTAL LIABILITIES
Total Short-Term Liabilities
Total Long-Term Liabilities	$2.000M	$1.800M	$1.900M
Total Liabilities	$241.3M	$238.0M	$224.4M
YoY Change	7.55%	5.03%	-2.02%
SHAREHOLDERS EQUITY
Retained Earnings		$34.34M	$34.73M
YoY Change		-1.11%	0.06%
Common Stock		$35.16M	$34.73M
YoY Change		1.26%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)		$1.355M	$937.0K
YoY Change		44.61%	0.0%
Treasury Stock Shares		151.5K shares	112.6K shares
Shareholders Equity	$67.10M	$67.25M	$67.52M
YoY Change
Total Liabilities & Shareholders Equity	$308.5M	$305.3M	$291.9M
YoY Change	5.7%	3.81%	-1.49%

Cashflow Statement

Concept	2017 Q2	2017 Q1	2016 Q2
OPERATING ACTIVITIES
Net Income	$220.0K	$168.0K	$380.0K
YoY Change	-42.11%	-5.62%	-29.63%
Depreciation, Depletion And Amortization	$80.00K	$90.00K	$110.0K
YoY Change	-27.27%	50.0%	57.14%
Cash From Operating Activities	$550.0K	$460.0K	-$160.0K
YoY Change	-443.75%	109.09%	-142.11%
INVESTING ACTIVITIES
Capital Expenditures	-$60.00K	-$10.00K	$20.00K
YoY Change	-400.0%	-91.67%	-102.78%
Acquisitions
YoY Change
Other Investing Activities	-$3.380M	$480.0K	-$1.820M
YoY Change	85.71%	-96.98%	-167.91%
Cash From Investing Activities	-$3.450M	$470.0K	-$1.800M
YoY Change	91.67%	-97.03%	-192.31%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	3.060M	-810.0K	-2.510M
YoY Change	-221.91%	-93.73%	-268.46%
NET CHANGE
Cash From Operating Activities	550.0K	460.0K	-160.0K
Cash From Investing Activities	-3.450M	470.0K	-1.800M
Cash From Financing Activities	3.060M	-810.0K	-2.510M
Net Change In Cash	160.0K	120.0K	-4.470M
YoY Change	-103.58%	-96.13%	-217.02%
FREE CASH FLOW
Cash From Operating Activities	$550.0K	$460.0K	-$160.0K
Capital Expenditures	-$60.00K	-$10.00K	$20.00K
Free Cash Flow	$610.0K	$470.0K	-$180.0K
YoY Change	-438.89%	38.24%	-116.36%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2016Q2	us-gaap	Assets Assets	291871000	USD
CY2017Q1	us-gaap	Deposits Deposits	181619000	USD
CY2016Q2	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	33211000	USD
CY2017Q1	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	53839000	USD
CY2016Q2	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	741000	USD
CY2017Q1	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	552000	USD
CY2016Q2	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	22000	USD
CY2017Q1	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	30000	USD
CY2016Q2	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2017Q1	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2016Q2	us-gaap	Common Stock Value CommonStockValue	86000	USD
CY2017Q1	us-gaap	Common Stock Value CommonStockValue	86000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	411000	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
CY2016Q2	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	238468000	USD
CY2017Q1	us-gaap	Cash And Due From Banks CashAndDueFromBanks	4691000	USD
CY2016Q2	us-gaap	Cash And Due From Banks CashAndDueFromBanks	4297000	USD
CY2017Q1	kffb	Interest Bearing Demand Deposits InterestBearingDemandDeposits	7962000	USD
CY2017Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	12653000	USD
CY2017Q1	us-gaap	Available For Sale Securities AvailableForSaleSecurities	77000	USD
CY2017Q1	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	253200000	USD
CY2016Q2	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	527000	USD
CY2017Q1	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	487000	USD
CY2016Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	6022000	USD
CY2017Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	5821000	USD
CY2016Q2	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	6482000	USD
CY2017Q1	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	6482000	USD
CY2016Q2	us-gaap	Interest Receivable InterestReceivable	710000	USD
CY2017Q1	us-gaap	Interest Receivable InterestReceivable	677000	USD
CY2016Q2	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	3064000	USD
CY2017Q1	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	3135000	USD
CY2016Q2	us-gaap	Goodwill Goodwill	14507000	USD
CY2017Q1	us-gaap	Goodwill Goodwill	14507000	USD
CY2016Q2	us-gaap	Prepaid Expense And Other Assets Noncurrent PrepaidExpenseAndOtherAssetsNoncurrent	966000	USD
CY2017Q1	us-gaap	Prepaid Expense And Other Assets Noncurrent PrepaidExpenseAndOtherAssetsNoncurrent	490000	USD
CY2017Q1	us-gaap	Assets Assets	305266000	USD
CY2016Q2	us-gaap	Deposits Deposits	188572000	USD
CY2016Q2	us-gaap	Deferred Tax Liabilities Current DeferredTaxLiabilitiesCurrent	642000	USD
CY2017Q1	us-gaap	Deferred Tax Liabilities Current DeferredTaxLiabilitiesCurrent	738000	USD
CY2016Q2	us-gaap	Deferred Revenue DeferredRevenue	595000	USD
CY2017Q1	us-gaap	Deferred Revenue DeferredRevenue	582000	USD
CY2016Q2	us-gaap	Other Liabilities OtherLiabilities	573000	USD
CY2017Q1	us-gaap	Other Liabilities OtherLiabilities	659000	USD
CY2016Q2	us-gaap	Liabilities Liabilities	224356000	USD
CY2017Q1	us-gaap	Liabilities Liabilities	238019000	USD
CY2017Q1	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	2746000	USD
CY2016Q1	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	2756000	USD
CY2016Q1	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	29000	USD
CY2017Q1	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	14000	USD
CY2016Q1	us-gaap	Interest And Dividend Income Securities Other InterestAndDividendIncomeSecuritiesOther	7000	USD
CY2017Q1	us-gaap	Interest And Dividend Income Securities Other InterestAndDividendIncomeSecuritiesOther	4000	USD
CY2016Q1	us-gaap	Interest And Fee Income Other Loans Held For Sale InterestAndFeeIncomeOtherLoansHeldForSale	66000	USD
CY2017Q1	us-gaap	Interest And Fee Income Other Loans Held For Sale InterestAndFeeIncomeOtherLoansHeldForSale	99000	USD
CY2016Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	2858000	USD
CY2017Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	2863000	USD
CY2016Q1	us-gaap	Interest Expense Deposits InterestExpenseDeposits	257000	USD
CY2017Q1	us-gaap	Interest Expense Deposits InterestExpenseDeposits	258000	USD
CY2016Q1	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	84000	USD
CY2017Q1	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	119000	USD
CY2016Q1	us-gaap	Interest Expense InterestExpense	341000	USD
CY2017Q1	us-gaap	Interest Expense InterestExpense	377000	USD
CY2016Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	2517000	USD
CY2017Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	2486000	USD
CY2016Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	0	USD
CY2017Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	166000	USD
CY2016Q1	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	2517000	USD
CY2017Q1	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	2320000	USD
CY2016Q1	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	23000	USD
CY2017Q1	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	24000	USD
CY2016Q1	us-gaap	Noninterest Income Other NoninterestIncomeOther	70000	USD
CY2017Q1	us-gaap	Noninterest Income Other NoninterestIncomeOther	68000	USD
CY2016Q1	us-gaap	Noninterest Income NoninterestIncome	-19000	USD
CY2017Q1	us-gaap	Noninterest Income NoninterestIncome	90000	USD
CY2016Q1	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1443000	USD
CY2017Q1	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1350000	USD
CY2016Q1	kffb	Occupancy And Equipment OccupancyAndEquipment	167000	USD
CY2016Q1	kffb	Outside Service Fee OutsideServiceFee	30000	USD
CY2017Q1	kffb	Outside Service Fee OutsideServiceFee	34000	USD
CY2017Q1	us-gaap	Professional Fees ProfessionalFees	85000	USD
CY2016Q1	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	49000	USD
CY2017Q1	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	22000	USD
CY2016Q1	us-gaap	Taxes Other TaxesOther	61000	USD
CY2017Q1	us-gaap	Taxes Other TaxesOther	59000	USD
CY2016Q1	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	20000	USD
CY2017Q1	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	27000	USD
CY2016Q1	us-gaap	Other Noninterest Expense OtherNoninterestExpense	278000	USD
CY2017Q1	us-gaap	Other Noninterest Expense OtherNoninterestExpense	296000	USD
CY2016Q1	us-gaap	Noninterest Expense NoninterestExpense	2239000	USD
CY2017Q1	us-gaap	Noninterest Expense NoninterestExpense	2148000	USD
CY2017Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	262000	USD
CY2016Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	259000	USD
CY2016Q1	us-gaap	Net Income Loss NetIncomeLoss	178000	USD
CY2017Q1	us-gaap	Net Income Loss NetIncomeLoss	168000	USD
CY2016Q1	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.02
CY2017Q1	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.02
CY2017Q1	us-gaap	Stockholders Equity StockholdersEquity	67247000	USD
CY2016Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	291871000	USD
CY2017Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	305266000	USD
CY2017Q1	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	195000	USD
CY2016Q2	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	0	USD
CY2016Q2	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	34639000	USD
CY2017Q1	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	35075000	USD
CY2016Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	34732000	USD
CY2017Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	34336000	USD
CY2016Q2	us-gaap	Unearned Esop Shares UnearnedESOPShares	1036000	USD
CY2017Q1	us-gaap	Unearned Esop Shares UnearnedESOPShares	896000	USD
CY2016Q2	us-gaap	Treasury Stock Value TreasuryStockValue	937000	USD
CY2017Q1	us-gaap	Treasury Stock Value TreasuryStockValue	1355000	USD
CY2016Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	31000	USD
CY2017Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	1000	USD
CY2016Q2	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	4079000	USD
CY2017Q1	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	2131000	USD
CY2016Q2	us-gaap	Stockholders Equity StockholdersEquity	67515000	USD
CY2017Q1	us-gaap	Prepaid Taxes PrepaidTaxes	212000	USD
CY2016Q2	us-gaap	Prepaid Taxes PrepaidTaxes	93000	USD
CY2017Q1	us-gaap	Time Deposits At Carrying Value TimeDepositsAtCarryingValue	5199000	USD
CY2016Q2	us-gaap	Time Deposits At Carrying Value TimeDepositsAtCarryingValue	3711000	USD
CY2016Q1	us-gaap	Real Estate Owned Valuation Allowance Provision1 RealEstateOwnedValuationAllowanceProvision1	111000	USD
CY2017Q1	us-gaap	Real Estate Owned Valuation Allowance Provision1 RealEstateOwnedValuationAllowanceProvision1	58000	USD
CY2017Q1	kffb	Occupancy And Equipment OccupancyAndEquipment	168000	USD
CY2016Q1	us-gaap	Legal Fees LegalFees	27000	USD
CY2017Q1	us-gaap	Legal Fees LegalFees	6000	USD
CY2016Q1	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	99000	USD
CY2017Q1	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	101000	USD
CY2016Q1	us-gaap	Professional Fees ProfessionalFees	65000	USD
CY2017Q1	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-9000	USD
CY2016Q1	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-1000	USD
CY2017Q1	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	1000	USD
CY2016Q1	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	0	USD
CY2017Q1	us-gaap	Interest Expense Demand Deposit Accounts InterestExpenseDemandDepositAccounts	5000	USD
CY2016Q1	us-gaap	Interest Expense Demand Deposit Accounts InterestExpenseDemandDepositAccounts	5000	USD
CY2017Q1	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	64000	USD
CY2016Q1	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	65000	USD
CY2017Q1	kffb	Interest Expense Certificates Of Deposits InterestExpenseCertificatesOfDeposits	189000	USD
CY2016Q1	kffb	Interest Expense Certificates Of Deposits InterestExpenseCertificatesOfDeposits	187000	USD
CY2017Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	94000	USD
CY2016Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	81000	USD
CY2017Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.1
CY2016Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.1
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	8151000	USD
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	8542000	USD
	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	73000	USD
	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	45000	USD
	us-gaap	Interest And Dividend Income Securities Other InterestAndDividendIncomeSecuritiesOther	17000	USD
	us-gaap	Interest And Dividend Income Securities Other InterestAndDividendIncomeSecuritiesOther	10000	USD
	us-gaap	Interest And Fee Income Other Loans Held For Sale InterestAndFeeIncomeOtherLoansHeldForSale	195000	USD
	us-gaap	Interest And Fee Income Other Loans Held For Sale InterestAndFeeIncomeOtherLoansHeldForSale	257000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	8827000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	8463000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	805000	USD
	us-gaap	Noninterest Income Other NoninterestIncomeOther	208000	USD
	us-gaap	Noninterest Income Other NoninterestIncomeOther	207000	USD
	us-gaap	Noninterest Income NoninterestIncome	221000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	71000	USD
	us-gaap	Real Estate Owned Valuation Allowance Provision1 RealEstateOwnedValuationAllowanceProvision1	150000	USD
	us-gaap	Real Estate Owned Valuation Allowance Provision1 RealEstateOwnedValuationAllowanceProvision1	83000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	757000	USD
	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	228000	USD
	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	289000	USD
	us-gaap	Interest Expense InterestExpense	1033000	USD
	us-gaap	Interest Expense InterestExpense	1046000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	7794000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	7417000	USD
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	11000	USD
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	222000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	7783000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	7195000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	70000	USD
	us-gaap	Noninterest Income NoninterestIncome	334000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	4082000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	4005000	USD
	kffb	Occupancy And Equipment OccupancyAndEquipment	483000	USD
	kffb	Occupancy And Equipment OccupancyAndEquipment	521000	USD
	kffb	Outside Service Fee OutsideServiceFee	121000	USD
	kffb	Outside Service Fee OutsideServiceFee	129000	USD
	us-gaap	Legal Fees LegalFees	67000	USD
	us-gaap	Legal Fees LegalFees	26000	USD
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	290000	USD
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	294000	USD
	us-gaap	Professional Fees ProfessionalFees	195000	USD
	us-gaap	Professional Fees ProfessionalFees	243000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	159000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	70000	USD
	us-gaap	Taxes Other TaxesOther	188000	USD
	us-gaap	Taxes Other TaxesOther	180000	USD
	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	73000	USD
	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	95000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	815000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	854000	USD
	us-gaap	Noninterest Expense NoninterestExpense	6473000	USD
	us-gaap	Noninterest Expense NoninterestExpense	6417000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1112000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1531000	USD
	us-gaap	Net Income Loss NetIncomeLoss	1120000	USD
	us-gaap	Net Income Loss NetIncomeLoss	719000	USD
	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.13
	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.09
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	65000	USD
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	52000	USD
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	10000	USD
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	41000	USD
	us-gaap	Interest Expense Demand Deposit Accounts InterestExpenseDemandDepositAccounts	16000	USD
	us-gaap	Interest Expense Demand Deposit Accounts InterestExpenseDemandDepositAccounts	19000	USD
	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	191000	USD
	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	195000	USD
	kffb	Interest Expense Certificates Of Deposits InterestExpenseCertificatesOfDeposits	550000	USD
	kffb	Interest Expense Certificates Of Deposits InterestExpenseCertificatesOfDeposits	591000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	393000	USD
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.3
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.3
CY2016Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	173000	USD
CY2017Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	102000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	8404000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1104000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	689000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	12613000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	4000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	9000	USD
	us-gaap	Proceeds From Sale Of Wholly Owned Real Estate And Real Estate Acquired In Settlement Of Loans ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans	710000	USD
	us-gaap	Proceeds From Sale Of Wholly Owned Real Estate And Real Estate Acquired In Settlement Of Loans ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans	812000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	55000	USD
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	8000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	1607000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	1554000	USD
	us-gaap	Depreciation Depreciation	212000	USD
	us-gaap	Depreciation Depreciation	256000	USD
	kffb	Amortization Of Purchased Loan Premium AmortizationOfPurchasedLoanPremium	13000	USD
	kffb	Amortization Of Purchased Loan Premium AmortizationOfPurchasedLoanPremium	11000	USD
	kffb	Amortization Accretion Of Deferred Loan Origination Costs AmortizationAccretionOfDeferredLoanOriginationCosts	23000	USD
	kffb	Amortization Accretion Of Deferred Loan Origination Costs AmortizationAccretionOfDeferredLoanOriginationCosts	47000	USD
	kffb	Deferred Gain On Sale Of Real Estate Owned DeferredGainOnSaleOfRealEstateOwned	11000	USD
	kffb	Deferred Gain On Sale Of Real Estate Owned DeferredGainOnSaleOfRealEstateOwned	13000	USD
	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	138000	USD
	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	158000	USD
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	1019000	USD
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	653000	USD
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	1160000	USD
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	468000	USD
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-35000	USD
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-33000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-111000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-476000	USD
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-2000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1016000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-14415000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	5726000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-6918000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-9237000	USD
	us-gaap	Increase Decrease In Advance Payments By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance	-189000	USD
	us-gaap	Increase Decrease In Advance Payments By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance	-213000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	1115000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	1108000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	12406000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-3401000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-455000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	3932000	USD
CY2015Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	13635000	USD
CY2016Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	17567000	USD
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	14972000	USD
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	21543000	USD
	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	35600000	USD
	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	28700000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	15533000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	-4422000	USD
	us-gaap	Payments For Deposits With Other Institutions PaymentsForDepositsWithOtherInstitutions	1488000	USD
	us-gaap	Payments For Deposits With Other Institutions PaymentsForDepositsWithOtherInstitutions	0	USD
	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	30000	USD
	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	114000	USD
	us-gaap	Increase Decrease In Accounts Payable And Other Operating Liabilities IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities	-18000	USD
	us-gaap	Increase Decrease In Accounts Payable And Other Operating Liabilities IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities	86000	USD
	kffb	Accretion Of Premiums On Deposits AccretionOfPremiumsOnDeposits	35000	USD
	kffb	Accretion Of Premiums On Deposits AccretionOfPremiumsOnDeposits	63000	USD
	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	65000	USD
	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	52000	USD
	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	8000	USD
	us-gaap	Impairment Of Investments ImpairmentOfInvestments	83000	USD
	us-gaap	Impairment Of Investments ImpairmentOfInvestments	150000	USD
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-59000	USD
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-43000	USD
CY2016Q2	us-gaap	Securities Held As Collateral At Fair Value SecuritiesHeldAsCollateralAtFairValue	1700000	USD
CY2017Q1	kffb	Loans Receivable Commercial Land LoansReceivableCommercialLand	1169000	USD
	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	33000	USD
	kffb	Accretion Of Purchased Loan Discount AccretionOfPurchasedLoanDiscount	137000	USD
	kffb	Accretion Of Purchased Loan Discount AccretionOfPurchasedLoanDiscount	116000	USD
	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	6499000	USD
	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	11000000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	400000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	460000	USD
	us-gaap	Interest Paid InterestPaid	1073000	USD
	us-gaap	Interest Paid InterestPaid	1098000	USD
	kffb	Transfers Of Loans To Real Estate Owned Net TransfersOfLoansToRealEstateOwnedNet	688000	USD
	kffb	Transfers Of Loans To Real Estate Owned Net TransfersOfLoansToRealEstateOwnedNet	399000	USD
	kffb	Loans Made On Sale Of Real Estate Owned LoansMadeOnSaleOfRealEstateOwned	214000	USD
	kffb	Loans Made On Sale Of Real Estate Owned LoansMadeOnSaleOfRealEstateOwned	534000	USD
CY2017Q1	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	8350270	shares
CY2016Q1	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	8326593	shares
	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	8321890	shares
	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	8342203	shares
CY2017Q1	us-gaap	Loans And Leases Receivable Consumer Construction LoansAndLeasesReceivableConsumerConstruction	2881000	USD
CY2016Q2	us-gaap	Loans And Leases Receivable Consumer Construction LoansAndLeasesReceivableConsumerConstruction	2809000	USD
CY2016Q2	kffb	Loans Receivable Commercial Land LoansReceivableCommercialLand	1186000	USD
CY2016Q2	us-gaap	Loans Receivable Commercial Agricultural LoansReceivableCommercialAgricultural	1735000	USD
CY2017Q1	us-gaap	Loans Receivable Commercial Agricultural LoansReceivableCommercialAgricultural	2069000	USD
CY2016Q2	us-gaap	Loans Receivable Commercial Real Estate LoansReceivableCommercialRealEstate	27138000	USD
CY2017Q1	us-gaap	Loans Receivable Commercial Real Estate LoansReceivableCommercialRealEstate	28407000	USD
CY2016Q2	kffb	Loans And Leases Receivable Loans On Deposits LoansAndLeasesReceivableLoansOnDeposits	1813000	USD
CY2017Q1	kffb	Loans And Leases Receivable Loans On Deposits LoansAndLeasesReceivableLoansOnDeposits	1666000	USD
CY2016Q2	us-gaap	Loans And Leases Receivable Consumer Home Equity LoansAndLeasesReceivableConsumerHomeEquity	6155000	USD
CY2017Q1	us-gaap	Loans And Leases Receivable Consumer Home Equity LoansAndLeasesReceivableConsumerHomeEquity	6906000	USD
CY2016Q2	kffb	Loans And Leases Receivable Automobile LoansAndLeasesReceivableAutomobile	69000	USD
CY2017Q1	kffb	Loans And Leases Receivable Automobile LoansAndLeasesReceivableAutomobile	44000	USD
CY2016Q2	kffb	Loans And Leases Receivable Unsecured LoansAndLeasesReceivableUnsecured	552000	USD
CY2017Q1	kffb	Loans And Leases Receivable Unsecured LoansAndLeasesReceivableUnsecured	350000	USD
CY2016Q2	us-gaap	Loans And Leases Receivable Loans In Process LoansAndLeasesReceivableLoansInProcess	5118000	USD
CY2017Q1	us-gaap	Loans And Leases Receivable Loans In Process LoansAndLeasesReceivableLoansInProcess	995000	USD
CY2016Q2	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	113000	USD
CY2017Q1	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	36000	USD
CY2016Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	1515000	USD
CY2017Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	1515000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	222000	USD
	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	226000	USD
	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	4000	USD
CY2016Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	1473000	USD
CY2017Q1	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	166000	USD
CY2017Q1	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	126000	USD
CY2017Q1	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	2000	USD
CY2015Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	1568000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	11000	USD
	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	17000	USD
	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	11000	USD
CY2016Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	1573000	USD
CY2015Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	1568000	USD
CY2016Q1	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	0	USD
CY2016Q1	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	4000	USD
CY2016Q1	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	9000	USD
	kffb	Percentage Of Bankruptcy Proceedings To Borrower PercentageOfBankruptcyProceedingsToBorrower	0.185	pure
CY2016Q2	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	1800000	USD
CY2017Q1	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	1600000	USD
CY2017Q1	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	7400000	USD
CY2015Q2	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYield	1021000	USD
CY2017Q1	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	248274000	USD
CY2017Q1	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	255674000	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
CY2016Q2	us-gaap	Certain Loans And Debt Securities Acquired In Transfer Allowance For Credit Losses Due To Subsequent Impairment CertainLoansAndDebtSecuritiesAcquiredInTransferAllowanceForCreditLossesDueToSubsequentImpairment	464000	USD
CY2017Q1	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Outstanding Balance CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesOutstandingBalance	1706000	USD
CY2016Q2	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Outstanding Balance CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesOutstandingBalance	2310000	USD
CY2017Q1	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldAccretion	45000	USD
CY2017Q1	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Reclassifications From Nonaccretable Difference CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldReclassificationsFromNonaccretableDifference	0	USD
CY2017Q1	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Disposals Of Loans CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldDisposalsOfLoans	114000	USD
CY2016Q4	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYield	900000	USD
CY2017Q1	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYield	741000	USD
CY2016	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldAccretion	164000	USD
CY2016	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Reclassifications From Nonaccretable Difference CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldReclassificationsFromNonaccretableDifference	124000	USD
CY2016	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Disposals Of Loans CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldDisposalsOfLoans	0	USD
CY2016Q2	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYield	981000	USD
	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldAccretion	137000	USD
	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Reclassifications From Nonaccretable Difference CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldReclassificationsFromNonaccretableDifference	60000	USD
	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Disposals Of Loans CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldDisposalsOfLoans	163000	USD
CY2017Q1	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	195000	USD
CY2017Q1	us-gaap	Accounts Payable And Accrued Liabilities Fair Value Disclosure AccountsPayableAndAccruedLiabilitiesFairValueDisclosure	30000	USD
CY2017Q1	us-gaap	Federal Home Loan Bank Borrowings Fair Value Disclosure FederalHomeLoanBankBorrowingsFairValueDisclosure	54039000	USD
CY2017Q1	us-gaap	Deposits Fair Value Disclosure DepositsFairValueDisclosure	181606000	USD
CY2017Q1	us-gaap	Accounts Receivable Fair Value Disclosure AccountsReceivableFairValueDisclosure	677000	USD
CY2017Q1	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	195000	USD
CY2017Q1	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	2171000	USD
CY2017Q1	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	12653000	USD
CY2017Q1	kffb	Time Deposits At Fair Value TimeDepositsAtFairValue	5199000	USD
CY2017Q1	kffb	Advance Payments By Borrowers For Taxes And Insurance Fair Value Disclosure AdvancePaymentsByBorrowersForTaxesAndInsuranceFairValueDisclosure	552000	USD
CY2016Q2	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	13108000	USD
CY2016Q2	kffb	Time Deposits At Fair Value TimeDepositsAtFairValue	3711000	USD
CY2016Q2	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	4151000	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	kffb	Advance Payments By Borrowers For Taxes And Insurance Fair Value Disclosure AdvancePaymentsByBorrowersForTaxesAndInsuranceFairValueDisclosure	741000	USD
CY2016Q2	us-gaap	Accounts Payable And Accrued Liabilities Fair Value Disclosure AccountsPayableAndAccruedLiabilitiesFairValueDisclosure	22000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-45000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-24000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-15000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-8000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-30000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-16000	USD
CY2016Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-8000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-34000	USD
CY2016Q1	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-3000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-66000	USD
CY2016Q1	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-5000	USD
CY2016Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2016Q2	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2017Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	20000000	shares
CY2016Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	8596064	shares
CY2017Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	8596064	shares
CY2017Q1	us-gaap	Employee Stock Ownership Plan Esop Number Of Committed To Be Released Shares EmployeeStockOwnershipPlanESOPNumberOfCommittedToBeReleasedShares	89628	shares
CY2017Q1	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2016Q2	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2017Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2016Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2016Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	20000000	shares
CY2017Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2016Q2	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2017Q1	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2017Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	500000	shares
CY2016Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	500000	shares
CY2017Q1	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2016Q2	us-gaap	Employee Stock Ownership Plan Esop Number Of Committed To Be Released Shares EmployeeStockOwnershipPlanESOPNumberOfCommittedToBeReleasedShares	103636	shares
CY2017Q1	us-gaap	Treasury Stock Shares TreasuryStockShares	151549	shares
CY2016Q2	us-gaap	Treasury Stock Shares TreasuryStockShares	112563	shares
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	64000	USD
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	0	USD
CY2017Q1	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	64000	USD
CY2016Q1	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	0	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	6000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-8000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-12000	USD
CY2016Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-3000	USD
	dei	Entity Central Index Key EntityCentralIndexKey	0001297341
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--06-30
	dei	Entity Filer Category EntityFilerCategory	Smaller Reporting Company
	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;MARGIN: 0in 0in 0pt" align="justify"><b><font style="FONT-SIZE: 10pt"> Reclassifications</font></b> <font style="FONT-SIZE: 10pt">- Certain amounts presented in prior periods have been reclassified to conform to the current period presentation. Such reclassifications had no impact on prior years’ 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>
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	189322	shares
CY2016Q1	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	189322	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2017Q1	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	119000	USD
CY2016Q2	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	353000	USD
	us-gaap	Sec Schedule Iii Real Estate Writedown Or Reserve Amount SECScheduleIIIRealEstateWritedownOrReserveAmount	83000	USD
	us-gaap	Sec Schedule Iii Real Estate Writedown Or Reserve Amount SECScheduleIIIRealEstateWritedownOrReserveAmount	150000	USD
CY2017Q1	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2017Q1	us-gaap	Held To Maturity Securities Amortized Cost Before Other Than Temporary Impairment HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment	2131000	USD
CY2016Q2	us-gaap	Held To Maturity Securities Amortized Cost Before Other Than Temporary Impairment HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment	4079000	USD
	us-gaap	Held To Maturity Securities Unrecognized Holding Gains HeldToMaturitySecuritiesUnrecognizedHoldingGains	48000	USD
	us-gaap	Held To Maturity Securities Unrecognized Holding Losses HeldToMaturitySecuritiesUnrecognizedHoldingLosses	8000	USD
CY2016Q2	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	87000	USD
CY2016	us-gaap	Available For Sale Securities Gross Unrealized Gains AvailableForSaleSecuritiesGrossUnrealizedGains	47000	USD
CY2016	us-gaap	Available For Sale Securities Gross Unrealized Loss AvailableForSaleSecuritiesGrossUnrealizedLoss	0	USD
CY2016Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	134000	USD
CY2016	us-gaap	Held To Maturity Securities Unrecognized Holding Gains HeldToMaturitySecuritiesUnrecognizedHoldingGains	72000	USD
CY2016	us-gaap	Held To Maturity Securities Unrecognized Holding Losses HeldToMaturitySecuritiesUnrecognizedHoldingLosses	3000	USD
CY2017Q1	us-gaap	Securities Held As Collateral At Fair Value SecuritiesHeldAsCollateralAtFairValue	2200000	USD
	dei	Document Type DocumentType	10-Q
	dei	Document Period End Date DocumentPeriodEndDate	2017-03-31
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2017
	dei	Amendment Flag AmendmentFlag	false
	dei	Trading Symbol TradingSymbol	KFFB
CY2017Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	8444515	shares
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Entity Registrant Name EntityRegistrantName	Kentucky First Federal Bancorp
CY2016Q1	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	5566000	USD
CY2017Q1	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	1515000	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 Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	1515000	USD
CY2017Q1	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	5865000	USD
	kffb	Impaired Financing Receivable With No Related Allowance Allowance For Loan Losses Allocated ImpairedFinancingReceivableWithNoRelatedAllowanceAllowanceForLoanLossesAllocated	0	USD
	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	5852000	USD
	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	64000	USD
	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod	64000	USD
CY2016Q1	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	5651000	USD
CY2016Q1	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	5651000	USD
	kffb	Impaired Financing Receivable With No Related Allowance Allowance For Loan Losses Allocated ImpairedFinancingReceivableWithNoRelatedAllowanceAllowanceForLoanLossesAllocated	0	USD
	kffb	Impaired Financing Receivable Allowance For Loan Losses Allocated ImpairedFinancingReceivableAllowanceForLoanLossesAllocated	0	USD
	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	5914000	USD
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	5914000	USD
	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	60000	USD
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	60000	USD
	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod	60000	USD
	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	60000	USD
CY2017Q1	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	5865000	USD
	kffb	Impaired Financing Receivable Allowance For Loan Losses Allocated ImpairedFinancingReceivableAllowanceForLoanLossesAllocated	0	USD
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	5852000	USD
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	64000	USD
	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	64000	USD
CY2017Q1	kffb	Impaired Financing Receivable With No Related Allowance Allowance For Loan Losses Allocated ImpairedFinancingReceivableWithNoRelatedAllowanceAllowanceForLoanLossesAllocated	0	USD
CY2017Q1	kffb	Impaired Financing Receivable Allowance For Loan Losses Allocated ImpairedFinancingReceivableAllowanceForLoanLossesAllocated	0	USD
CY2017Q1	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	5812000	USD
CY2017Q1	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	5812000	USD
CY2017Q1	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	21000	USD
CY2017Q1	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	21000	USD
CY2017Q1	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod	21000	USD
CY2017Q1	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	21000	USD
CY2016Q1	kffb	Impaired Financing Receivable With No Related Allowance Allowance For Loan Losses Allocated ImpairedFinancingReceivableWithNoRelatedAllowanceAllowanceForLoanLossesAllocated	0	USD
CY2016Q1	kffb	Impaired Financing Receivable Allowance For Loan Losses Allocated ImpairedFinancingReceivableAllowanceForLoanLossesAllocated	0	USD
CY2017Q1	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	3000	USD
CY2017Q1	us-gaap	Certain Loans And Debt Securities Acquired In Transfer Allowance For Credit Losses Due To Subsequent Impairment CertainLoansAndDebtSecuritiesAcquiredInTransferAllowanceForCreditLossesDueToSubsequentImpairment	388000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	12000	USD
CY2016Q1	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	5566000	USD
CY2016Q1	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	21000	USD
CY2016Q1	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	21000	USD
CY2016Q1	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod	21000	USD
CY2016Q1	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	21000	USD
CY2017Q1	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	5286000	USD
CY2016Q2	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	4969000	USD
CY2017Q1	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	1363000	USD
CY2016Q2	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	2166000	USD
	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	3000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-16000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-24000	USD
CY2016Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-5000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	42000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	0	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	42000	USD
CY2016Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-30000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-16000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-66000	USD
CY2016Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-5000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	22000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	0	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	22000	USD
CY2016Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	0	USD
	us-gaap	Proceeds From Sale Of Longterm Investments ProceedsFromSaleOfLongtermInvestments	0	USD
	us-gaap	Proceeds From Sale Of Longterm Investments ProceedsFromSaleOfLongtermInvestments	72000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	67000	USD
CY2017Q1	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-24000	USD
	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	12000	USD
CY2017Q1	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	42000	USD
	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	42000	USD

Files In Submission

Name	View Source	Status
0001144204-17-027880-index-headers.html	Edgar Link	pending
0001144204-17-027880-index.html	Edgar Link	pending
0001144204-17-027880.txt	Edgar Link	pending
0001144204-17-027880-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
kffb-20170331.xml	Edgar Link	completed
kffb-20170331.xsd	Edgar Link	pending
kffb-20170331_cal.xml	Edgar Link	unprocessable
kffb-20170331_def.xml	Edgar Link	unprocessable
kffb-20170331_lab.xml	Edgar Link	unprocessable
kffb-20170331_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
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R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
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R22.htm	Edgar Link	pending
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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
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R3.htm	Edgar Link	pending
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R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
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R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
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R44.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending
v465999_10q.htm	Edgar Link	pending
v465999_ex31-1.htm	Edgar Link	pending
v465999_ex31-2.htm	Edgar Link	pending
v465999_ex32-1.htm	Edgar Link	pending
v465999_ex32-2.htm	Edgar Link	pending

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$KFFB
Kentucky First Federal Bancorp Stock $kffb

2017 Q2 Form 10-Q Financial Statement

#000114420417027880 Filed on May 16, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$KFFB Kentucky First Federal Bancorp Stock $kffb

2017 Q2 Form 10-Q Financial Statement

#000114420417027880 Filed on May 16, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$KFFB
Kentucky First Federal Bancorp Stock $kffb