Loans and Leases (Non-Accrual Loans, Segregated by Class) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Financing Receivable, Past Due [Line Items]
Non-accrual loans	$ 4,262	$ 3,674
Impaired loans	5,245	4,665
Commercial And Industrial [Member]
Financing Receivable, Past Due [Line Items]
Non-accrual loans	366	336
Impaired loans	366	336
Commercial Real Estate: Non-Owner Occupied [Member]
Financing Receivable, Past Due [Line Items]
Non-accrual loans	1,514	510
Impaired loans	1,923	924
Commercial Real Estate: Owner Occupied [Member]
Financing Receivable, Past Due [Line Items]
Non-accrual loans	1,204	1,447
Impaired loans	1,778	2,024
Consumer: Home Equity Installment [Member]
Financing Receivable, Past Due [Line Items]
Non-accrual loans	47	65
Impaired loans	47	65
Consumer: Home Equity Line Of Credit [Member]
Financing Receivable, Past Due [Line Items]
Non-accrual loans	380	294
Impaired loans	380	294
Consumer: Auto Loans [Member]
Financing Receivable, Past Due [Line Items]
Non-accrual loans	101	16
Impaired loans	101	16
Residential: Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Non-accrual loans	650	1,006
Impaired loans	650	$ 1,006
Purchase Credit [Member]
Financing Receivable, Past Due [Line Items]
Impaired loans	$ 1,300