Quarterly report pursuant to Section 13 or 15(d)

EQUITY AND EARNINGS PER SHARE - Summary of Outstanding Options - Period End (Details)

v3.19.3
EQUITY AND EARNINGS PER SHARE - Summary of Outstanding Options - Period End (Details)
$ / shares in Units, $ in Millions
9 Months Ended
Sep. 30, 2019
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of unexercised options (in shares) 12,808,916
Options exercisable (in shares) 3,576,198
Issued to the independent directors  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of unexercised options (in shares) 7,000
Stock Options | Issued to the independent directors  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Date of grant Various
Number of unexercised options (in shares) 7,000
Options exercisable (in shares) 7,000
Weighted average exercise price (in dollars per share) | $ / shares $ 13.61
Intrinsic Value of Exercisable Options as of September 30, 2019 (millions) | $ $ 0.0
Stock Options | Manager | 2017  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Date of grant 2017
Number of unexercised options (in shares) 1,130,916
Options exercisable (in shares) 0
Weighted average exercise price (in dollars per share) | $ / shares $ 14.09
Intrinsic Value of Exercisable Options as of September 30, 2019 (millions) | $ $ 1.8
Stock Options | Manager | 2018  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Date of grant 2018
Number of unexercised options (in shares) 5,320,000
Options exercisable (in shares) 2,416,798
Weighted average exercise price (in dollars per share) | $ / shares $ 16.61
Intrinsic Value of Exercisable Options as of September 30, 2019 (millions) | $ $ 0.0
Stock Options | Manager | 2019  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Date of grant 2019
Number of unexercised options (in shares) 6,351,000
Options exercisable (in shares) 1,152,400
Weighted average exercise price (in dollars per share) | $ / shares $ 16.43
Intrinsic Value of Exercisable Options as of September 30, 2019 (millions) | $ $ 0.0
Options Granted in 2017  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of unexercised options (in shares) 1,130,916
Weighted average exercise price (in dollars per share) | $ / shares $ 14.09
Options Granted in 2018  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of unexercised options (in shares) 1,159,833
Options Assigned  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of unexercised options (in shares) 2,290,749
Minimum | Options Granted in 2018  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Weighted average exercise price (in dollars per share) | $ / shares $ 16.48
Maximum | Options Granted in 2018  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Weighted average exercise price (in dollars per share) | $ / shares $ 17.73