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LONG-TERM DEBT - Schedule of Long Term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2019	May 10, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Long-term debt, gross	$ 698,500
Less: Unamortized original issue discount	(2,014)		$ (1,027)
Less: Unamortized deferred financing fees	(12,885)		(2,239)
Long-term debt, including current portion	683,601		394,173
Less: Current portion of Term Loan and Revolving Credit Facility	(3,000)		(3,595)
Long-term debt, net of discount and deferred financing fees; excluding current portion	680,601		390,578
Line of Credit \| Term Loan Principal
Debt Instrument [Line Items]
Long-term debt, gross	298,500		342,439
Line of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt, gross	0		55,000
6.75% Senior Notes due 2027
Debt Instrument [Line Items]
Long-term debt, gross	$ 400,000		$ 0
6.75% Senior Notes due 2027 \| 6.75% Senior Notes due 2027
Debt Instrument [Line Items]
Interest rate		6.75%