Premises, Equipment and Leases (Schedule of Future Minimum Payments for Operating and Finance Leases) (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Sep. 30, 2023
Leases [Abstract]
Operating leases, liability, to be paid, year one	$ 715
Operating leases, liability, to be paid, year two	648
Operating leases, liability, to be paid, year three	636
Operating leases, liability, to be paid, year four	603
Operating leases, liability, to be paid, year five	435
Operating leases, liability, to be paid, thereafter	9,727
Total future minimum lease payments	12,764
Amounts representing interest	(3,842)
Operating leases, present value of net future minimum lease payments	8,922	$ 11,600
Finance leases, liability, to be paid, year one	91
Finance leases, liability, to be paid, year two	91
Finance leases, liability, to be paid, year three	91
Finance leases, liability, to be paid, year four	94
Finance leases, liability, to be paid, year five	83
Finance leases, liability, to be paid, thereafter	1,386
Finance leases, liability, to be paid	1,836
Finance leases, liability, amounts representing interest	(754)
Finance Lease, Liability	1,082
Lease liability to be paid, year one	806
Lease liability to be paid, year two	739
Lease liability to be paid, year three	727
Lease liability to be paid, year four	697
Lease liability to be paid, year five	518
Lease liability to be paid, thereafter	11,113
Lease liability to be paid	14,600
Lease liability, amounts representing interest	(4,596)
Lease liability, present value of net future minimum lease payments	$ 10,004