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LONG-TERM DEBT (Tables)
 6 Months Ended
Jun. 30, 2018
Debt Disclosure [Abstract]  
Schedule of long-term debt
Long-term debt consists of the following:
(in thousands)
 
June 30,
2018
 
December 31,
2017
 
 
 
 
 
Term loans
 
$
403,760

 
$
413,581

Less: Debt issuance costs, net
 
(4,317
)
 
(3,158
)
Less: Unamortized discount, net
 
(3,911
)
 
(1,142
)
Net long-term debt
 
395,532

 
409,281

Less: Current portion
 
(41,200
)
 
(5,945
)
 
 
 
 
 
Long-term debt, less current portion
 
$
354,332

 
$
403,336