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OTHER LONG-TERM LIABILITIES (Notes)
 12 Months Ended
Dec. 31, 2017
Other Liabilities Disclosure [Abstract]  
OTHER LONG-TERM LIABILITIES
OTHER LONG-TERM LIABILITIES

Other long-term liabilities consisted of the following at December 31, 2017 and 2016 (in thousands):
 
December 31,
 
2017
 
2016
Deferred rent
$
2,970

 
$
5,458

Accrued restructuring
731

 
1,256

Deferred compensation
5,546

 
5,464

Total
$
9,247

 
$
12,178