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	Mar. 31, 2023 USD ($)
Financing Receivable, Impaired [Line Items]
Nonaccrual, without ACL	$ 120
90 Days+ Past Due [Member]
Financing Receivable, Impaired [Line Items]
Loans past due 90 days or more and still accruing	106
Residential Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Nonaccrual, without ACL	120
Residential Real Estate [Member] | 90 Days+ Past Due [Member]
Financing Receivable, Impaired [Line Items]
Loans past due 90 days or more and still accruing	106
First Liens [Member] | Residential Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Nonaccrual, without ACL	120
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	104
Junior Liens & Lines Of Credit [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	$ 2