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GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)
12 Months Ended
Dec. 31, 2015
Goodwill and Intangible Assets Disclosure [Abstract]  
Changes in Carrying Amount of Goodwill

The following table presents the changes in the carrying amount of goodwill for the periods presented.

 

     As of and for the Year Ended December 31,  
     2015      2014  
     (Dollars in thousands)  

Balance, beginning of period

     $                 74,244         $                 55,097   

Addition from the ASB acquisition

     —           19,147   
  

 

 

    

 

 

 

Balance, end of period

     $ 74,244         $ 74,244   
  

 

 

    

 

 

 
Summary of Amortizable Intangible Assets

The following summarizes activity of amortizable core deposit intangible (“CDI”) assets for the for the periods presented.

 

    As of and For the Year Ended December 31,  
    2015     2014  
    Gross CDI
Amount
    Accumulated
Amortization
    Net CDI
Amount
    Gross CDI
Amount
    Accumulated
Amortization
    Net CDI
Amount
 
    (Dollars in thousands)  

Balance of intangible assets, beginning of period

  $ 34,089      $ (30,875   $ 3,214      $ 31,999      $ (29,738   $ 2,261   

Additions due to acquisitions

    —              2,090       
 

 

 

       

 

 

     

Balance of intangible assets, end of period

  $ 34,089      $ (31,824   $ 2,265      $ 34,089      $ (30,875   $ 3,214   
 

 

 

       

 

 

     

Aggregate amortization expense:

           

For year ended December 31,

  $ 949          $ 1,137       

Estimated Amortization Expense:

           

For the year ending December 31, 2016

  $ 737             

For the year ending December 31, 2017

    631             

For the year ending December 31, 2018

    562             

For the year ending December 31, 2019

    335             

Thereafter

    —