Income Taxes, Deferred Tax Assets and Deferred Tax Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Deferred tax assets [Abstract]
Allowance for credit losses	$ 4,903	$ 5,246
Deferred compensation	45	64
Retirement compensation	1,575	1,617
Stock option compensation	467	453
Current state franchise taxes	578	657
Non-accrual interest	426	333
Lease liability	1,065	1,349
Investment securities unrealized loss	14,337	14,178
Other	394	281
Deferred tax assets	23,790	24,178
Deferred tax liabilities [Abstract]
Fixed assets depreciation	761	970
FHLB dividends	184	184
Tax credit - loss on pass-through	824	489
Deferred loan costs	848	940
Mortgage servicing rights	388	383
Right of Use Asset	933	1,204
Postretirement benefits	129	21
Other	681	393
Total deferred tax liabilities	4,748	4,584
Net deferred tax assets (see Note 6)	$ 19,042	$ 19,594