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ACCRUED LIABILITIES
12 Months Ended
Dec. 31, 2018
Payables and Accruals [Abstract]  
ACCRUED LIABILITIES
ACCRUED LIABILITIES
 
The composition of accrued liabilities is as follows (dollar amounts in thousands):
As of December 31,
 
2018
 
2017
Salaries and employee benefits
 
$
15,927

 
$
10,289

Sales, use and property tax (See Note 14)
 
3,594

 
3,367

Convention and meeting costs
 
6,540

 
4,970

Other
 
8,740

 
6,354

Total
 
$
34,801

 
$
24,980