ACCRUED LIABILITIES (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
ACCRUED LIABILITIES
Compensation	$ 10,107	$ 9,840
Other employee benefits	7,659	7,012
Taxes, other than income	3,210	3,004
Advertising and promotions	18,834	21,421
Other	5,347	5,023
Total accrued liabilities	$ 45,157	$ 46,300