Income Taxes, Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Jun. 30, 2023
Deferred tax assets [Abstract]
Allowance for credit losses	$ 5,272	$ 5,669
Allowance for credit losses on unfunded commitments	334	0
Unrealized losses on securities	6,926	7,424
Other benefit plans	5,345	4,968
Lease liability	577	609
Other	94	81
Total deferred tax assets	18,548	18,751
Deferred tax liabilities [Abstract]
Depreciation	1,188	1,148
Net loan costs	1,261	1,225
Real estate investment trust income	3,313	3,126
Lease right of use asset	554	585
Pension benefits	143	33
Other	0	0
Total deferred tax liabilities	6,459	6,117
Net deferred tax asset included in prepaid expenses and other assets	$ 12,089	$ 12,634