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Other intangible assets
12 Months Ended
Dec. 31, 2012
Other intangible assets [Abstract]  
Other intangible assets

Note 11. Other intangible assets

The changes in the carrying amount of core deposit intangibles for the years ended December 31, 2012 and 2011 are as follows:

 

                 
    2012     2011  

Core Deposit Intangible:

               

Balance as of January 1,

  $ 38,196     $ 53,208  

Amortization expense

    6,962       15,012  

Asset disposal

    31,234       —    
   

 

 

   

 

 

 

Balance as of December 31,

    —         38,196  
   

 

 

   

 

 

 

Total other intangible assets

  $ —       $ 38,196  
   

 

 

   

 

 

 

Amortization expense for the years ended December 31, 2012, 2011 and 2010 was $6,962, $15,012 and $15,900, respectively. The asset disposal of $31,234 was part of the consolidation of branches and is included in restructuring charges and asset disposals on the consolidated financial statements.