Goodwill And Other Intangible Assets (Summary Of Other Intangible Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Unidentifiable intangible assets [Abstract]
Gross carrying amount	$ 0	$ 2,268
Less: accumulated amortization	0	2,268
Net carrying amount	0	0
Identifiable intangible assets [Abstract]
Gross carrying amount	4,610	3,000
Less: accumulated amortization	1,947	1,700
Net carrying amount	2,663	1,300
Community Banking [Member]
Unidentifiable intangible assets [Abstract]
Gross carrying amount	0	2,268
Less: accumulated amortization	0	2,268
Net carrying amount	0	0
Identifiable intangible assets [Abstract]
Gross carrying amount	1,610	0
Less: accumulated amortization	47	0
Net carrying amount	1,563	0
Insurance Services [Member]
Unidentifiable intangible assets [Abstract]
Gross carrying amount	0	0
Less: accumulated amortization	0	0
Net carrying amount	0	0
Identifiable intangible assets [Abstract]
Gross carrying amount	3,000	3,000
Less: accumulated amortization	1,900	1,700
Net carrying amount	$ 1,100	$ 1,300