Goodwill And Other Intangible Assets (Summary Of Goodwill Activity) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2018 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 15,272
Goodwill, Purchase Accounting Adjustments	0
Goodwill, Acquired During Period	0
Goodwill, ending balance	15,272
Community Banking [Member]
Goodwill [Roll Forward]
Goodwill, beginning balance	10,562
Goodwill, Purchase Accounting Adjustments	0
Goodwill, Acquired During Period	0
Goodwill, ending balance	10,562
Insurance Services [Member]
Goodwill [Roll Forward]
Goodwill, beginning balance	4,710
Goodwill, Purchase Accounting Adjustments	0
Goodwill, Acquired During Period	0
Goodwill, ending balance	$ 4,710