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Goodwill (Tables)
 6 Months Ended
Jun. 30, 2016
Goodwill.  
Schedule of changes in the carrying amount of goodwill

The changes in the carrying amount of goodwill are as follows (in thousands):

 

 

 

 

 

 

 

 

 

 

 

June 30,

 

December 31,

 

 

    

2016

    

2015

 

Balance at beginning of year

 

$
143,874

 

$
140,341

 

Additions (See Note 4)

 

 
3,638

 

 
3,533

 

Balance at end of period

 

$
147,512

 

$
143,874