Goodwill And Other Intangible Assets (Schedule Of Intangible Assets With Estimable Useful Lives) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 34,788	$ 34,700
Accumulated Amortization	(26,456)	(25,348)
Valuation Allowance	(83)	(84)
Net Amount	8,249	9,268
Core Deposit Premium [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	31,270	31,270
Accumulated Amortization	(23,814)	(22,781)
Valuation Allowance	0	0
Net Amount	7,456	8,489
Mortgage Servicing Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	3,518	3,430
Accumulated Amortization	(2,642)	(2,567)
Valuation Allowance	(83)	(84)
Net Amount	$ 793	$ 779