LONG-TERM DEBT - Schedule of Long Term Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019	May 10, 2019
Debt Instrument [Line Items]
Less: Unamortized original issue discount	$ (1,945)	$ (2,014)
Less: Unamortized deferred financing fees	(12,501)	(12,885)
Long-term debt, including current portion	933,304	683,601
Less: Current portion of Term Loan and Revolving Credit Facility	(3,000)	(3,000)
Long-term debt, net of discount and deferred financing fees, excluding current portion	930,304	680,601
Line of Credit \| Term Loan principal
Debt Instrument [Line Items]
Long-term debt, gross	297,750	298,500
Line of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt, gross	250,000	0
6.75% Senior Notes due 2027
Debt Instrument [Line Items]
Long-term debt, gross	$ 400,000	$ 400,000
6.75% Senior Notes due 2027 \| 6.75% Senior Notes due 2027
Debt Instrument [Line Items]
Interest rate	6.75%		6.75%

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount, after accumulated amortization, of debt discount.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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