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OTHER NON-CURRENT LIABILITIES (Tables)
 12 Months Ended
Dec. 31, 2016
Other Liabilities Disclosure [Abstract]  
Schedule of other non-current liabilities
Other non-current liabilities consist of the following as of December 31:
(in thousands)
 
2016
 
2015
 
 
 
 
 
Acquisition related obligations
 
$
—

 
$
8,422

Other non-current liabilities
 
10,480

 
9,731

 
 
 
 
 
Total
 
$
10,480

 
$
18,153