LONG-TERM DEBT, NET - Components of Exchangeable Notes (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Jan. 01, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Principal	$ 3,892,500		$ 3,892,500
Less: Unamortized debt issuance costs	5,830		6,029
Net carrying value included in long-term debt, net	3,843,244	$ 3,840,930	3,840,930
2022 Exchangeable Notes | Senior Notes
Debt Instrument [Line Items]
Principal	517,500		517,500
Less: Unamortized debt issuance costs	5,604		6,511
Net carrying value included in long-term debt, net	511,896		510,989
2026 Exchangeable Notes | Senior Notes
Debt Instrument [Line Items]
Principal	575,000		575,000
Less: Unamortized debt issuance costs	8,299		8,700
Net carrying value included in long-term debt, net	566,701		566,300
2030 Exchangeable Notes | Senior Notes
Debt Instrument [Line Items]
Principal	575,000		575,000
Less: Unamortized debt issuance costs	9,370		9,627
Net carrying value included in long-term debt, net	$ 565,630		$ 565,373