Employee Benefits (Narrative) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2024 USD ($) fund	Dec. 31, 2023 USD ($) fund
Schedule Of Employee Benefits [Line Items]
Actual return on plan assets	$ 622	$ 1,857
Number of investment funds | fund	8
Number of equity funds | fund	5	6
Number of bond funds | fund	3	2
Employer contribution	$ 0	$ 0
Percentage of internal revenue contribution	25.00%
Percentage of internal revenue service limitations	6.00%
Employer contribution in defined contribution plan	$ 1,056	1,077
Cash surrender value of life insurance	30,193	30,031
Increase in cash surrender value of life insurance	751	665
Group Term Replacement Plan
Schedule Of Employee Benefits [Line Items]
Liability related to these postretirement benefits	1,711	1,642
Postemployment benefit expense	69	61
Other Director and Officer Postretirement Benefits
Schedule Of Employee Benefits [Line Items]
Liability related to these postretirement benefits	2,113	2,068
Postemployment benefit expense	86	79
Officers | Executive Plan
Schedule Of Employee Benefits [Line Items]
Deferred compensation arrangement liability	1,653	1,962
Deferred compensation arrangement expense	238	307
Directors' Plan | Directors
Schedule Of Employee Benefits [Line Items]
Deferred compensation arrangement liability	3,804	3,278
Deferred compensation arrangement expense	$ 255	$ 207
Minimum | Other Director and Officer Postretirement Benefits
Schedule Of Employee Benefits [Line Items]
Post retirement benefit period	15 years
Minimum | Officers | Executive Plan
Schedule Of Employee Benefits [Line Items]
Terms of services	1 year
Maximum | Other Director and Officer Postretirement Benefits
Schedule Of Employee Benefits [Line Items]
Post retirement benefit period	20 years
Maximum | Officers | Executive Plan
Schedule Of Employee Benefits [Line Items]
Terms of services	5 years