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Goodwill (Tables)
 9 Months Ended
Sep. 30, 2017
Goodwill  
Schedule of changes in the carrying amount of goodwill

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

 

 

 

 

 

 

 

 

 

 

 

September 30,

 

December 31,

 

 

    

2017

    

2016

 

Balance at beginning of year

 

$

149,208

 

$

143,874

 

Additions (See Note 4)

 

 

55,668

 

 

5,334

 

Impairment adjustment

 

 

(1,105)

 

 

 —

 

Balance at end of period

 

$

203,771

 

$

149,208