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GOODWILL AND INTANGIBLE ASSETS
12 Months Ended
Dec. 31, 2012
GOODWILL AND INTANGIBLE ASSETS  
GOODWILL AND INTANGIBLE ASSETS

NOTE 9 — GOODWILL AND INTANGIBLE ASSETS

Goodwill

        The change in carrying amount of goodwill is as follows.

 
  2012
  2011
 
   

Balance, January 1

  $ 61,919   $ 61,919  

Acquired goodwill

    2,028      
       

Balance, December 31

  $ 63,947   $ 61,919  
       

        The Company tests goodwill for impairment on an annual basis, or more often if events or circumstances indicate there may be impairment. Impairment exists when a reporting unit's carrying value of goodwill exceeds its fair value. At June 30, 2012, the Company's reporting unit had positive equity and the Company elected to perform a quantitative assessment to determine if the fair value of the reporting unit exceeded its carrying value, including goodwill. The quantitative assessment indicated that the fair value of the reporting unit exceeded its carrying value, resulting in no impairment.

        A discussion of goodwill acquired in 2012 can be found at Note 26. During 2010, the insurance business was sold, including the associated goodwill of $990.

Acquired Intangible Assets

 
  2012
  2011
 
   

Core deposit intangibles

  $ 27,169   $ 27,000  

Other customer relationship intangibles

    2,194     698  

Accumulated amortization

    (22,370 )   (20,535 )
       

Purchased intangibles, net

  $ 6,993   $ 7,163  
       

        Aggregate amortization expense was $1,835, $1,939, and $2,066 for 2012, 2011, and 2010.

        Estimated amortization expense for each of the next five years follows:

2013

  $ 1,869  

2014

    1,643  

2015

    1,402  

2016

    715  

2017

    347