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ACCRUED LIABILITIES
12 Months Ended
Dec. 31, 2017
Payables and Accruals [Abstract]  
ACCRUED LIABILITIES
ACCRUED LIABILITIES
Accrued liabilities as of December 31, 2017 and 2016 consisted of the following (in thousands):
 
December 31,
2017
 
December 31,
2016
Accrued tax liabilities
$
32,617

 
$
5,456

Accrued compensation
17,725

 
12,892

Accrued marketing
3,458

 
4,633

Other accrued expenses
19,865

 
13,749

Total accrued liabilities
$
73,665

 
$
36,730