COMMON STOCK - SUMMARY OF CONVERTIBLE UNITS (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Net carrying amount	$ 3,293,037	$ 2,950,946
Convertible | 2021 Series B Remarketable Junior Subordinated Notes due 2029
Debt Instrument [Line Items]
Principal	335,000
Unamortized debt discount and issuance costs	9,110
Net carrying amount	325,890
Carrying amount of the equity component	$ 0
Convertible | 2018 Series A Remarketable Junior Notes due 2031
Debt Instrument [Line Items]
Principal		287,500
Unamortized debt discount and issuance costs		7,181
Net carrying amount		280,319
Carrying amount of the equity component		$ 0