XML 42 R31.htm IDEA: XBRL DOCUMENT v3.10.0.1

Loans Receivable (Details 7) - USD ($) $ in Thousands	Dec. 31, 2018	Jun. 30, 2018
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	$ 274,640	$ 271,886
Automobile [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	30	63
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	62,345	63,278
Pass [Member] | Automobile [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	24	63
Not rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	200,448	195,600
Not rated [Member] | Automobile [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Doubtful [Member] | Automobile [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	10,776	11,915
Substandard [Member] | Automobile [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	6
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	1,071	1,093
Special Mention [Member] | Automobile [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
One-to four-family residential real estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross		206,908
One-to four-family residential real estate [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
One-to four-family residential real estate [Member] | Not rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	200,448	195,600
One-to four-family residential real estate [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
One-to four-family residential real estate [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	9,034	10,215
One-to four-family residential real estate [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	996	1,093
Multi-family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross		15,113
Multi-family [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	14,522	14,445
Multi-family [Member] | Not rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Multi-family [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Multi-family [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	695	668
Multi-family [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	2,154	2,919
Construction [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	2,154	2,919
Construction [Member] | Not rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Construction [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Construction [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Construction [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Nonresidential real estate [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	30,878	31,700
Nonresidential real estate [Member] | Not rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Nonresidential real estate [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Nonresidential real estate [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	607	713
Nonresidential real estate [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	669	677
Land [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	669	677
Land [Member] | Not rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Land [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Land [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Land [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Commercial nonmortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	2,167	1,917
Commercial nonmortgage [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	2,165	1,910
Commercial nonmortgage [Member] | Not rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Commercial nonmortgage [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Commercial nonmortgage [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	2	7
Commercial nonmortgage [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Unsecured [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	467	508
Unsecured [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	467	506
Unsecured [Member] | Not rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Unsecured [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Unsecured [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross		2
Unsecured [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Home equity [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	8,227	7,603
Home equity [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	8,119	7,603
Home equity [Member] | Not rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Home equity [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Home equity [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	33
Home equity [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	75
Loans on deposits [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	1,535	1,470
Loans on deposits [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	1,535	1,470
Loans on deposits [Member] | Not rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Loans on deposits [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Loans on deposits [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Loans on deposits [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Farm [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	2,211	2,295
Farm [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	1,812	1,985
Farm [Member] | Not rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Farm [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Farm [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	399	310
Farm [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross
Nonresidential real estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	$ 31,485	$ 32,413

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522

+ Details

Name:	us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_AutomobilesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_PassMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=kffb_NotRatedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_DoubtfulMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_SubstandardMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_SpecialMentionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	kffb_ResidentialRealEstateFamilyAxis=kffb_ResidentialRealEstateOneToFourFamilyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	kffb_ResidentialRealEstateFamilyAxis=kffb_ResidentialRealEstateMultiFamilyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	kffb_ResidentialRealEstateFamilyAxis=kffb_ResidentialRealEstateConstructionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	kffb_ResidentialRealEstateFamilyAxis=kffb_NonResidentialRealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	kffb_ResidentialRealEstateFamilyAxis=us-gaap_LandMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=kffb_CommercialNonmortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=kffb_CommercialsNonMortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=kffb_UnsecuredLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_HomeEquityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=kffb_LoansOnDepositsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=kffb_FarmMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=kffb_NonResidentialRealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: