LONG-TERM DEBT OBLIGATIONS LONG TERM OBLIGATIONS, Schedule of Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Total debt	$ 124,088	$ 127,950
Less: current portion of long-term debt	4,000	4,000
Total long-term debt	120,088	123,950
Term Loan [Member]
Debt Instrument [Line Items]
Total debt	19,088	0
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Total debt	0	22,950
Convertible Debt [Member]
Debt Instrument [Line Items]
Total debt	$ 105,000	$ 105,000