Premises And Equipment (Major Categories Of Premises And Equipment And Accumulated Depreciation) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	$ 82,542	$ 71,146
Less accumulated depreciation	(30,005)	(26,978)
Total premises and equipment, net	52,537	44,168
Land [Member]
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	12,172	10,645
Building and improvements [Member]
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	41,602	34,885
Furniture and equipment [Member]
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	$ 28,768	$ 25,616