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GOODWILL AND OTHER INTANGIBLE ASSETS
6 Months Ended
Jun. 30, 2012
GOODWILL AND OTHER INTANGIBLE ASSETS  
GOODWILL AND OTHER INTANGIBLE ASSETS

NOTE 3—GOODWILL AND OTHER INTANGIBLE ASSETS

        Goodwill arises from business combinations and represents the excess of the purchase price over the fair value of the net assets and other identifiable intangible assets acquired. Goodwill and other intangible assets deemed to have indefinite lives generated from purchase business combinations are not subject to amortization and are instead tested for impairment no less than annually. Impairment is determined in accordance with ASC 350, "Intangibles—Goodwill and Other" and is based on the reporting unit. Impairment exists when the carrying value of goodwill exceeds its implied fair value. An impairment loss would be recognized in an amount equal to that excess and would be included in noninterest expense in the consolidated statement of earnings. Our annual impairment test of goodwill resulted in no impact on our results of operations and financial condition.

        The following table presents the changes in the carrying amount of goodwill for the period indicated:

 
  Goodwill  
 
  (In thousands)
 

Balance, December 31, 2011

  $ 39,141  

Tax deductible addition from the EQF acquisition

    17,003  
       

Balance, March 31, 2012

    56,144  

Non tax deductible addition from the Celtic acquisition

    5,864  
       

Balance, June 30, 2012

  $ 62,008  
       

        Our intangible assets with definite lives are core deposit intangibles, or CDI, and customer relationship intangibles, or CRI. These intangible assets are amortized over their useful lives to their estimated residual values and reviewed for impairment at least quarterly. The amortization expense represents the estimated decline in the value of the underlying deposits or loan customers acquired.

        The following table presents the changes in CDI and CRI and the related accumulated amortization for the periods indicated:

 
  Three Months Ended   Six Months Ended
June 30,
 
 
  June 30,
2012
  March 31,
2012
  June 30,
2011
 
 
  2012   2011  
 
  (In thousands)
 

Gross Amount of CDI and CRI:

                               

Balance, beginning of period

  $ 60,972   $ 67,100   $ 76,319   $ 67,100   $ 76,319  

Additions

    1,300     1,700         3,000      

Fully amortized portion

        (7,828 )   (2,690 )   (7,828 )   (2,690 )
                       

Balance, end of period

    62,272     60,972     73,629     62,272     73,629  
                       

Accumulated Amortization:

                               

Balance, beginning of period

    (43,592 )   (49,685 )   (52,783 )   (49,685 )   (50,476 )

Amortization

    (1,737 )   (1,735 )   (2,308 )   (3,472 )   (4,615 )

Fully amortized portion

        7,828     2,690     7,828     2,690  
                       

Balance, end of period

    (45,329 )   (43,592 )   (52,401 )   (45,329 )   (52,401 )
                       

Net CDI and CRI, end of period

  $ 16,943   $ 17,380   $ 21,228   $ 16,943   $ 21,228  
                       

        The aggregate amortization expense related to the intangible assets is expected to be $6.5 million for 2012. The estimated aggregate amortization expense related to these intangible assets for each of the subsequent four years is $5.1 million for 2013, $3.5 million for 2014, $3.2 million for 2015, and $1.6 million for 2016.