Bank Premises And Equipment (Components Of Bank Premises And Equipment) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Total	$ 39,442	$ 35,736
Less accumulated depreciation and amortization	(17,885)	(16,816)
Bank premises and equipment, net	21,557	18,920
Land [Member]
Property, Plant and Equipment [Line Items]
Total	2,865	2,865
Bank Premises [Member]
Property, Plant and Equipment [Line Items]
Total	14,123	13,902
Furniture, Fixtures And Equipment [Member]
Property, Plant and Equipment [Line Items]
Total	12,523	11,075
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Total	9,372	7,263
Construction in Process [Member]
Property, Plant and Equipment [Line Items]
Total	$ 559	$ 631