LONG-TERM DEBT - Maturities (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Debt Disclosure [Abstract]
Remainder of 2020	$ 10,313
2021	13,750
2022	545,000
2023	192,500
2024	400,000
Thereafter	2,875,000
Total	4,036,563
Less: current portion of long-term debt	13,750	$ 13,750
Less: unamortized original issue discount	347,306
Less: unamortized debt issuance costs	50,499
Total long-term debt, net	$ 3,625,008	$ 3,121,572

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