Goodwill And Other Intangible Assets (Summary Of Other Intangible Assets) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Goodwill [Line Items]
Identifiable intangible assets, Gross carrying amount	$ 15,528	$ 4,610
Identifiable intangible assets, Less: accumulated amortization	2,922	1,947
Identifiable intangible assets, Net carrying amount	12,606	2,663
Community Banking [Member]
Goodwill [Line Items]
Identifiable intangible assets, Gross carrying amount	12,528	1,610
Identifiable intangible assets, Less: accumulated amortization	872	47
Identifiable intangible assets, Net carrying amount	11,656	1,563
Insurance Services [Member]
Goodwill [Line Items]
Identifiable intangible assets, Gross carrying amount	3,000	3,000
Identifiable intangible assets, Less: accumulated amortization	2,050	1,900
Identifiable intangible assets, Net carrying amount	$ 950	$ 1,100