Goodwill And Other Intangible Assets (Schedule Of Changes In Carrying Amount Of Goodwill And Net Other Intangible Assets) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Goodwill and Intangible Assets [Roll Forward]
Amortization	$ (445)	$ (499)	$ (1,400)	$ (1,600)
Goodwill [Member]
Goodwill and Intangible Assets [Roll Forward]
Originations			0
Amortization			0
Impairment reversal			0
Intangible Assets, Net (Including Goodwill)	138,921		138,921		$ 138,921
Core Deposit Premium [Member]
Goodwill and Intangible Assets [Roll Forward]
Originations			0
Amortization			(1,207)
Impairment reversal			0
Intangible Assets, Net (Including Goodwill)	5,365		5,365		6,572
Mortgage Servicing Rights [Member]
Goodwill and Intangible Assets [Roll Forward]
Originations			707
Amortization			(183)
Impairment reversal			59
Intangible Assets, Net (Including Goodwill)	$ 1,461		$ 1,461		$ 878