Employee Benefits And Deferred Compensation Plans (Narrative) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($) item	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Cash surrender value of bank-owned life insurance contracts	$ 42,758	$ 41,826
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected long-term rate of return on plan assets	5.50%	5.50%	5.50%
Company contribution in the next fiscal year	$ 0
Discount rate for projected benefit obligation	5.00%	5.22%	2.77%
Benefit obligation	$ 4,734	$ 4,912	$ 6,551
Supplemental Executive Retirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate for projected benefit obligation	4.89%	5.10%	2.23%
Required benefit service period	10 years
Number of highest consecutive years	5 years
Number of SERP plans | item	2
Benefit obligation	$ 4,969	$ 5,048	$ 5,754
Supplemental Executive Retirement Plan [Member] | Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Required benefit service period	15 years
Percentage of participants salary used to determine accrued benefit	25.00%
Supplemental Executive Retirement Plan [Member] | Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Required benefit service period	20 years
Percentage of participants salary used to determine accrued benefit	35.00%
Non-Qualified Executive Incentive Retirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Compensation cost	$ 100	200	200
Benefit obligation	1,800	1,900
Other Post-Retirement Benefit Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Compensation cost	$ 1,400	$ 1,400	$ 1,400
Vesting period of employer contributions	6 years
Equity Securities [Member] | Pension Benefits [Member] | Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected long-term rate of return on plan assets	4.50%
Equity Securities [Member] | Pension Benefits [Member] | Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected long-term rate of return on plan assets	11.00%
Equity Securities [Member] | Normal Market Conditions [Member]
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan asset category	34.00%
Fixed Income Securities [Member] | Pension Benefits [Member] | Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected long-term rate of return on plan assets	4.00%
Fixed Income Securities [Member] | Pension Benefits [Member] | Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected long-term rate of return on plan assets	5.00%
Fixed Income Securities [Member] | Normal Market Conditions [Member]
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan asset category	66.00%
FSB [Member]
Defined Benefit Plan Disclosure [Line Items]
Compensation cost	$ 5
Benefit obligation	$ 600