ACCRUED LIABILITIES (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Payables and Accruals [Abstract]
Salaries and employee benefits	$ 10,670	$ 9,706
Sales, use and property tax (See Note 14)	2,376	3,231
Convention and meeting costs	5,129	4,798
Other	6,225	5,991
Total	$ 24,400	$ 23,726