Loan Quality And Allowance For Credit Losses (Schedule of nonaccrual loans and loans past due over 90 days and still on accrual by class of loans) (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2023 USD ($)
Financing Receivable, Impaired [Line Items]
Nonaccrual, with ACL	$ 102
90 Days+ Past Due [Member]
Financing Receivable, Impaired [Line Items]
Loans past due 90 days or more and still accruing	94
Residential Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Nonaccrual, with ACL	102
Residential Real Estate [Member] | 90 Days+ Past Due [Member]
Financing Receivable, Impaired [Line Items]
Loans past due 90 days or more and still accruing	94
First Liens [Member] | Residential Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Nonaccrual, with ACL	102
First Liens [Member] | Residential Real Estate [Member] | 90 Days+ Past Due [Member]
Financing Receivable, Impaired [Line Items]
Loans past due 90 days or more and still accruing	$ 94