Goodwill And Other Intangible Assets (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
Impairment of goodwill	$ 0	$ 0	$ 0
Aggregate amortization expense for intangible assets	2,100	2,200	2,500
Goodwill [Member]
Finite-Lived Intangible Assets [Line Items]
Aggregate amortization expense for intangible assets	0	0
Goodwill and Intangible Assets Acquired	0	13,336
Core Deposits [Member]
Finite-Lived Intangible Assets [Line Items]
Aggregate amortization expense for intangible assets	1,917	1,889
Goodwill and Intangible Assets Acquired	0	5,550
Mortgage Servicing Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Recognized temporary impairment	97
Aggregate amortization expense for intangible assets	151	300
Goodwill and Intangible Assets Acquired	$ 0	$ 0