Loans and Allowance for Credit Losses on Loans, Individually Evaluated Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Jun. 30, 2024
Allocation of allowance for loan losses by loan category [Abstract]
Loans evaluated individually, amortized cost basis	$ 1,400	$ 1,400
Loans evaluated individually, allowance for credit losses on loans	793	662
Collateral dependent financing receivable collateral value	612	662
Commercial Real Estate Portfolio [Member]
Allocation of allowance for loan losses by loan category [Abstract]
Collateral dependent loans evaluated individually, amortized cost basis	631	631
Residential Real Estate [Member]
Allocation of allowance for loan losses by loan category [Abstract]
Collateral dependent loans evaluated individually, amortized cost basis	$ 774	$ 774