OTHER ACCRUED LIABILITIES (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Other Liabilities Disclosure [Abstract]
Self insurance reserve - current portion	$ 4,229	$ 3,836
Other accrued liabilities	16,368	11,080
Total other accrued liabilities	$ 20,597	$ 14,916