Goodwill And Other Intangible Assets (Schedule Of Changes In Carrying Amount Of Goodwill And Net Other Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Goodwill [Roll Forward]
Amortization	$ (2,100)us-gaap_AmortizationOfIntangibleAssets	$ (2,200)us-gaap_AmortizationOfIntangibleAssets	$ (2,500)us-gaap_AmortizationOfIntangibleAssets
Goodwill [Member]
Goodwill [Roll Forward]
Balance, beginning	138,921	125,585
Goodwill and Intangible Assets Acquired	0	13,336
Originations	0	0
Amortization	0	0
Impairment reversal	0	0
Balance, ending	138,921	138,921
Core Deposit Premium [Member]
Goodwill [Roll Forward]
Balance, beginning	8,489	4,828
Goodwill and Intangible Assets Acquired	0	5,550
Originations	0	0
Amortization	(1,917)	(1,889)
Impairment reversal	0	0
Balance, ending	6,572	8,489
Mortgage Servicing Rights [Member]
Goodwill [Roll Forward]
Balance, beginning	779	472
Goodwill and Intangible Assets Acquired	0	0
Originations	263	298
Amortization	(151)	(300)
Impairment reversal	(13)	309
Balance, ending	$ 878	$ 779

Amount of goodwill and intangible assets acquired.

No definition available.

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- Definition

Carrying amount as of the balance sheet date, which is the cumulative amount paid, adjusted for any amortization recognized prior to adoption of FAS 142 and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions and the sum of the carrying amounts of all intangible assets, net of accumulated amortization and impairment charges.

+ References

No definition available.

+ Details

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- Definition

The amount of impairment loss or impairment reversal recognized in the period resulting from the write-down or write-up of the carrying amount of a finite-lived intangible asset to fair value.

+ References

No definition available.

+ Details

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(2)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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- Definition

The value of new servicing assets, subsequently measured at fair value, acquired or created during the current period through purchases or from transfers of financial assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 860

-SubTopic 50

-Section 50

-Paragraph 3

-Subparagraph (a)(2)

-URI http://asc.fasb.org/extlink&oid=7882072&loc=d3e122625-111746

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