XML 49 R39.htm IDEA: XBRL DOCUMENT v3.23.3

Loans Receivable (Details) - Schedule of Purchased Loans $ in Thousands	Jun. 30, 2023 USD ($)
Schedule of Purchased Loans [Abstract]
One- to four-family residential real estate	$ 196

X

- References

No definition available.

+ Details

Name:	kffb_LoansReceivableDetailsScheduleofPurchasedLoansLineItems
Namespace Prefix:	kffb_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

A tax based on the assessed value of real estate by the local government. The tax is usually based on the value of property (including the land).

+ References

No definition available.

+ Details

Name:	kffb_OneToFourfamilyResidentialRealEstate
Namespace Prefix:	kffb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant