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OTHER LONG-TERM LIABILITIES (Tables)
 12 Months Ended
Dec. 31, 2015
Other Liabilities Disclosure [Abstract]  
Other long-term liabilities
Other long-term liabilities consisted of the following at December 31, 2015 and 2014 (in thousands):
 
December 31,
 
2015
 
2014
Deferred rent
$
6,755

 
$
8,236

Accrued restructuring
647

 
1,334

Deferred compensation
7,309

 
4,703

Total
$
14,711

 
$
14,273