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Goodwill
 12 Months Ended
Dec. 31, 2015
Goodwill and Intangible Assets Disclosure [Abstract]  
GOODWILL
GOODWILL
 
The changes in the carrying amount of goodwill for the twelve months ended December 31, 2013, 2014, and 2015 are as follows:
(in thousands)
 

Balance at December 31, 2012
$
31,648

Translation adjustment
425

Balance at December 31, 2013
$
32,073

Translation adjustment
(2,217
)
Goodwill acquired
$
45,835

Balance at December 31, 2014
$
75,691

Translation adjustment
(3,181
)
Goodwill acquired
2,999

Balance at December 31, 2015
$
75,509