EQUITY AND EARNINGS PER SHARE - Options Outstanding by Issuance (Details)	Mar. 31, 2017 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options (in shares)	18,730,188.000
Management [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options (in shares)	16,344,475
Manager's Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options (in shares)	2,379,713
Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options (in shares)	6,000
Other Affiliates [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options (in shares)	18,730,188