LONG-TERM DEBT, NET - Components of Exchangeable Notes (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Jan. 01, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Principal	$ 3,892,500		$ 3,892,500
Less: Unamortized debt issuance costs	5,628		6,029
Total long-term debt, net	3,845,555	$ 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	4,684		6,511
Total long-term debt, net	512,816		510,989
2026 Exchangeable Notes | Senior Notes
Debt Instrument [Line Items]
Principal	575,000		575,000
Less: Unamortized debt issuance costs	7,912		8,700
Total long-term debt, net	567,088		566,300
2030 Exchangeable Notes | Senior Notes
Debt Instrument [Line Items]
Principal	575,000		575,000
Less: Unamortized debt issuance costs	9,127		9,627
Total long-term debt, net	$ 565,873		$ 565,373