Name:	hfbl_AmountOfLoanPortfolio
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

This line item represents balance of loan outstanding pertaining to other credit concentrations that were being purchased from third-party mortgage originators and being serviced by the entities.

No definition available.

Name:	hfbl_BalanceOfLoansOutstandingOtherCreditConcentration
Namespace Prefix:	hfbl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

No definition available.

Name:	hfbl_FinancialInstrumentsWithOffBalanceSheetRiskAbstract
Namespace Prefix:	hfbl_
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Balance Type:	na
Period Type:	duration

No definition available.

Name:	hfbl_InterestRateFloorsAndCapsAbstract
Namespace Prefix:	hfbl_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

This line item represents number of miles within which bank's lending activities are located.

No definition available.

Name:	hfbl_NumberOfMilesWithinWhichBanksLendingActivitiesLocated
Namespace Prefix:	hfbl_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

No definition available.

Name:	hfbl_OtherCreditConcentrationsAbstract
Namespace Prefix:	hfbl_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

No definition available.

Name:	hfbl_RegionalCreditConcentrationAbstract
Namespace Prefix:	hfbl_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

No definition available.

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

The amount of cash as of the balance sheet date that is not insured by the Federal Deposit Insurance Corporation.

No definition available.

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

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
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-Section 50
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Name:	us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

Contractual interest rate for funds borrowed, under the debt agreement.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
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Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

The face amount of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition.

No definition available.

Name:	us-gaap_FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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

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

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