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GOODWILL (Tables)
3 Months Ended
Mar. 31, 2019
GOODWILL [Abstract]  
Changes in Carrying Amount of Goodwill
The changes in the carrying amount of goodwill consisted of the following (in thousands):

  
Three Months Ended
March 31, 2019
  
Year Ended
December 31, 2018
 
       
Beginning balance
 
$
293,525
  
$
271,338
 
Goodwill acquired
 
$
-
  
$
19,778
 
Goodwill adjustments for purchase price allocation of businesses acquired in prior year
  
(241
)
  
2,409
 
Other
  
54
   
-
 
Ending balance
 
$
293,338
  
$
293,525