Loans And The Allowance For Loan Losses (Loans Classified As Troubled Debt Restructurings) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Financing Receivable, Modifications [Line Items]
Total	$ 7,703	$ 8,258
Related Allowance	400	47
Commercial And Industrial [Member]
Financing Receivable, Modifications [Line Items]
Total	1,919	2,052
Related Allowance	400	26
Consumer And Other Loans [Member]
Financing Receivable, Modifications [Line Items]
Total		21
Related Allowance		21
Nonaccruing [Member]
Financing Receivable, Modifications [Line Items]
Total	5,342	4,027
Nonaccruing [Member] | Commercial And Industrial [Member]
Financing Receivable, Modifications [Line Items]
Total	1,696	328
Nonaccruing [Member] | Consumer And Other Loans [Member]
Financing Receivable, Modifications [Line Items]
Total
Accruing [Member]
Financing Receivable, Modifications [Line Items]
Total	2,361	4,231
Accruing [Member] | Commercial And Industrial [Member]
Financing Receivable, Modifications [Line Items]
Total	223	1,724
Accruing [Member] | Consumer And Other Loans [Member]
Financing Receivable, Modifications [Line Items]
Total		21
Total Real Estate Loans [Member] | Home Equity Loans [Member]
Financing Receivable, Modifications [Line Items]
Total	587	738
Related Allowance
Total Real Estate Loans [Member] | Nonaccruing [Member] | Home Equity Loans [Member]
Financing Receivable, Modifications [Line Items]
Total	134	175
Total Real Estate Loans [Member] | Accruing [Member] | Home Equity Loans [Member]
Financing Receivable, Modifications [Line Items]
Total	453	563
Mortgages [Member] | Total Real Estate Loans [Member] | Residential Mortgages [Member]
Financing Receivable, Modifications [Line Items]
Total	1,667	1,815
Related Allowance
Mortgages [Member] | Total Real Estate Loans [Member] | Commercial Real Estate Mortgages [Member]
Financing Receivable, Modifications [Line Items]
Total	3,530	3,632
Related Allowance
Mortgages [Member] | Total Real Estate Loans [Member] | Nonaccruing [Member] | Residential Mortgages [Member]
Financing Receivable, Modifications [Line Items]
Total	496	449
Mortgages [Member] | Total Real Estate Loans [Member] | Nonaccruing [Member] | Commercial Real Estate Mortgages [Member]
Financing Receivable, Modifications [Line Items]
Total	3,016	3,075
Mortgages [Member] | Total Real Estate Loans [Member] | Accruing [Member] | Residential Mortgages [Member]
Financing Receivable, Modifications [Line Items]
Total	1,171	1,366
Mortgages [Member] | Total Real Estate Loans [Member] | Accruing [Member] | Commercial Real Estate Mortgages [Member]
Financing Receivable, Modifications [Line Items]
Total	514	557
Construction [Member] | Total Real Estate Loans [Member] | Residential Mortgages [Member]
Financing Receivable, Modifications [Line Items]
Total
Related Allowance
Construction [Member] | Total Real Estate Loans [Member] | Commercial Real Estate Mortgages [Member]
Financing Receivable, Modifications [Line Items]
Total
Related Allowance
Construction [Member] | Total Real Estate Loans [Member] | Nonaccruing [Member] | Residential Mortgages [Member]
Financing Receivable, Modifications [Line Items]
Total
Construction [Member] | Total Real Estate Loans [Member] | Nonaccruing [Member] | Commercial Real Estate Mortgages [Member]
Financing Receivable, Modifications [Line Items]
Total
Construction [Member] | Total Real Estate Loans [Member] | Accruing [Member] | Residential Mortgages [Member]
Financing Receivable, Modifications [Line Items]
Total
Construction [Member] | Total Real Estate Loans [Member] | Accruing [Member] | Commercial Real Estate Mortgages [Member]
Financing Receivable, Modifications [Line Items]
Total