INDEBTEDNESS - Summary of Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Oct. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Principal Amount	$ 1,100,000		$ 1,161,531
Discount	(9,605)		(13,355)
Debt Issuance Costs	(24,495)		(23,823)
Total	1,065,900		1,124,353
Less: current portion	(6,000)		(9,250)
Total long-term debt	1,059,900		1,115,103
Senior Notes
Debt Instrument [Line Items]
Principal Amount	500,000
Discount	0
Debt Issuance Costs	(11,164)
Total	488,836
Senior Notes \| First Lien Term Loan
Debt Instrument [Line Items]
Principal Amount	600,000		915,750
Discount	(9,605)		(7,253)
Debt Issuance Costs	(13,331)	$ (8,800)	(19,710)
Total	577,064		888,787
Senior Notes \| Second Lien Notes
Debt Instrument [Line Items]
Principal Amount			245,781
Discount			(6,102)
Debt Issuance Costs			(4,113)
Total			235,566
Senior Notes \| Revolving Credit Facility
Debt Instrument [Line Items]
Principal Amount	0		0
Discount	0		0
Debt Issuance Costs	0		0
Total	$ 0		$ 0

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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