INDEBTEDNESS (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Total long-term debt	$ 195,000	$ 222,000
Less: Current maturities of long-term debt	10,000	10,000
Less: Deferred financing fees, net	1,783	2,282
Long-term debt	183,217	209,718
Revolving credit facility
Debt Instrument [Line Items]
Total long-term debt	17,500	37,000
Term loan
Debt Instrument [Line Items]
Total long-term debt	$ 177,500	$ 185,000