Goodwill And Other Intangible Assets (Summary Of Other Intangible Assets) (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Goodwill [Line Items]
Identifiable intangible assets, Gross carrying amount	$ 15,598	$ 15,598
Identifiable intangible assets, Less: accumulated amortization	3,793	3,357
Identifiable intangible assets, Net carrying amount	11,805	12,241
Community Banking [Member]
Goodwill [Line Items]
Identifiable intangible assets, Gross carrying amount	12,598	12,598
Identifiable intangible assets, Less: accumulated amortization	1,643	1,257
Identifiable intangible assets, Net carrying amount	10,955	11,341
Insurance Services [Member]
Goodwill [Line Items]
Identifiable intangible assets, Gross carrying amount	3,000	3,000
Identifiable intangible assets, Less: accumulated amortization	2,150	2,100
Identifiable intangible assets, Net carrying amount	$ 850	$ 900