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Goodwill And Other Intangible Assets (Schedule Of Intangible Assets With Estimable Useful Lives) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 46,508	$ 44,212
Accumulated Amortization	(36,798)	(34,351)
Valuation allowance	(2,103)	(327)
Finite-Lived Intangible Assets, Net, Total	7,607	9,534
Core Deposit Premium [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	31,270	31,270
Accumulated Amortization	(29,912)	(29,485)
Valuation allowance	0	0
Finite-Lived Intangible Assets, Net, Total	1,358	1,785
Mortgage Servicing Rights
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	15,238	12,942
Accumulated Amortization	(6,886)	(4,866)
Valuation allowance	(2,103)	(327)
Finite-Lived Intangible Assets, Net, Total	$ 6,249	$ 7,749

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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