Income Taxes (Schedule of tax effects of temporary differences of the deferred tax assets and deferred tax liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Deferred tax assets:
Allowance for credit losses	$ 2,371	$ 2,263
Deferred expenses	21	18
Deferred compensation	1,773	1,652
Unrecognized pension liability	653	910
Postretirement liability	1,032	1,002
Unrealized loss on securities	2,786	6,932
Federal tax NOLs	2,538
Other	889	658
Gross deferred tax assets	12,063	13,435
Deferred tax liabilities:
Prepaid expenses	(578)	(515)
Prepaid pension	(1,180)	(1,222)
Deferred loan fees	(51)	(154)
Depreciation and amortization	(374)	(476)
Mortgage servicing rights	(430)	(534)
Gross deferred tax liabilities	(2,613)	(2,901)
Net deferred tax asset	9,450	10,534
Deferred tax valuation allowance	(1,336)	(598)
Deferred tax assets, net of allowance	$ 8,114	$ 9,936