Commitments (Details)	12 Months Ended
	Jun. 30, 2024 USD ($) Branch	Jun. 30, 2023 USD ($)
Lease Commitments [Abstract]
Number of branch facilities leased | Branch	2
Future Minimum Rental Payments Resulting from Non-cancelable Term of Leases [Abstract]
2025	$ 31,000
2026	31,000
2027	31,000
2028	31,000
2029	34,000
Thereafter	1,296,000
Total	1,454,000
Less Imputed Interest	(593,000)
Present Value of Lease Liabilities	861,000	$ 866,000
Total rent expense paid under the terms of leases	$ 60,000	$ 53,000
Weighted-average remaining lease term [Abstract]
Operating lease	34 years 4 months 24 days	35 years 4 months 24 days
Weighted-average discount rate [Abstract]
Operating leases	3.00%	3.00%
Lease Right-of-Use Assets [Abstract]
Operating lease right-of-use assets	$ 818,000	$ 829,000
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other Assets	Other Assets
Lease Liabilities [Abstract]
Operating lease liabilities	$ 861,000	$ 866,000
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Other Accrued Expenses and Liabilities	Other Accrued Expenses and Liabilities
Contractual Commitment [Abstract]
Minimum monthly on-line data processing service charge	$ 61,767
Number of successive periods an agreement will continue	5 years
Number of months required prior to termination of agreement, minimum	6 months
Future Minimum Commitments for On-line Processing Services [Abstract]
2025	$ 741,000
2026	741,000
2027	679,000
Total	2,161,000
Future Minimum Commitments for Employment Contracts [Abstract]
2025	194,000
2026	194,000
2027	194,000
Total	582,000
Federal Home Loan Bank [Member]
Letters of Credit [Abstract]
Letter of credit outstanding	44,800,000
Letter of credit aggregate amount expiring within one year	$ 44,800,000
Letter of credit expiration period	1 year
Outstanding borrowings associated with letters of credit	$ 0