EQUITY AND EARNINGS PER SHARE - Options Outstanding by Issuance (Details)	Jun. 30, 2020 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options (in shares)	14,428,655
Held by the Manager
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options (in shares)	10,860,706
Issued to the Manager and subsequently assigned to certain of the Manager’s employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options (in shares)	3,560,949
Issued to the independent directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options (in shares)	7,000
Total
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options (in shares)	14,428,655