Quarterly report pursuant to Section 13 or 15(d)

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

v3.5.0.2
EQUITY AND EARNINGS PER SHARE - Summary of Outstanding Options - Period End (Details)
$ / shares in Units, $ in Millions
9 Months Ended
Sep. 30, 2016
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of options (in shares) 13,281,610.00
Options Exercisable (in shares) 7,411,924
Options Granted in 2006 to 2007 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of options (in shares) 88,280
Options Granted in 2006 to 2007 [Member] | Minimum [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Weighted average exercise price (in dollars per share) | $ / shares $ 29.92
Options Granted in 2006 to 2007 [Member] | Maximum [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Weighted average exercise price (in dollars per share) | $ / shares $ 33.80
Options Granted in 2013 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of options (in shares) 0
Options Granted in 2013 [Member] | Minimum [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Weighted average exercise price (in dollars per share) | $ / shares $ 10.24
Options Granted in 2013 [Member] | Maximum [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Weighted average exercise price (in dollars per share) | $ / shares $ 11.48
Options Granted in 2014 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of options (in shares) 258,750
Weighted average exercise price (in dollars per share) | $ / shares $ 12.20
Options Granted in 2015 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of options (in shares) 1,708,708
Options Granted in 2015 [Member] | Minimum [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Weighted average exercise price (in dollars per share) | $ / shares $ 15.25
Options Granted in 2015 [Member] | Maximum [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Weighted average exercise price (in dollars per share) | $ / shares $ 15.88
Options Granted in 2016 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of options (in shares) 0
Options Granted in 2016 [Member] | Minimum [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Weighted average exercise price (in dollars per share) | $ / shares $ 13.65
Options Granted in 2016 [Member] | Maximum [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Weighted average exercise price (in dollars per share) | $ / shares $ 14.20
Options Assigned [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of options (in shares) 2,055,738
Director [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of options (in shares) 6,000
Director [Member] | Stock Options [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Recipient Directors
Date of Grant Various [1]
Number of options (in shares) 6,000
Options Exercisable (in shares) 6,000
Weighted average exercise price (in dollars per share) | $ / shares $ 13.60 [2]
Intrinsic value of exercisable options | $ $ 0.0
2003 - 2007 [Member] | Manager [Member] | Stock Options [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Recipient Manager [3]
Date of Grant 2003 - 2007 [1],[3]
Number of options (in shares) 434,000 [3]
Options Exercisable (in shares) 434,000 [3]
Weighted average exercise price (in dollars per share) | $ / shares $ 31.36 [2],[3]
Intrinsic value of exercisable options | $ $ 0.0 [3]
2011-2012 [Member] | Manager [Member] | Stock Options [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Recipient Manager [3]
Date of Grant 2011 - 2012 [1],[3]
Number of options (in shares) 25,000 [3]
Options Exercisable (in shares) 25,000 [3]
Weighted average exercise price (in dollars per share) | $ / shares $ 7.19 [2],[3]
Intrinsic value of exercisable options | $ $ 0.2 [3]
2013 [Member] | Manager [Member] | Stock Options [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Recipient Manager [3]
Date of Grant 2013 [1],[3]
Number of options (in shares) 835,571 [3]
Options Exercisable (in shares) 835,571 [3]
Weighted average exercise price (in dollars per share) | $ / shares $ 11.48 [2],[3]
Intrinsic value of exercisable options | $ $ 2.0 [3]
2014 [Member] | Manager [Member] | Stock Options [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Recipient Manager [3]
Date of Grant 2014 [1],[3]
Number of options (in shares) 1,437,500 [3]
Options Exercisable (in shares) 1,389,583 [3]
Weighted average exercise price (in dollars per share) | $ / shares $ 12.20 [2],[3]
Intrinsic value of exercisable options | $ $ 2.2 [3]
2015 [Member] | Manager [Member] | Stock Options [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Recipient Manager [3]
Date of Grant 2015 [1],[3]
Number of options (in shares) 8,543,539 [3]
Options Exercisable (in shares) 4,655,103 [3]
Weighted average exercise price (in dollars per share) | $ / shares $ 15.44 [2],[3]
Intrinsic value of exercisable options | $ $ 0.0 [3]
2016 [Member] | Manager [Member] | Stock Options [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Recipient Manager [3]
Date of Grant 2016 [1],[3]
Number of options (in shares) 2,000,000 [3]
Options Exercisable (in shares) 66,667 [3]
Weighted average exercise price (in dollars per share) | $ / shares $ 14.20 [2],[3]
Intrinsic value of exercisable options | $ $ 0.0 [3]
[1] Options expire on the tenth anniversary from date of grant.
[2] The exercise prices are subject to adjustment in connection with return of capital dividends.
[3] The Manager assigned certain of its options to Fortress’s employees as follows: Date of Grant Range of ExercisePrices Total UnexercisedInception to Date2006-2007 $29.92 to $33.80 88,2802013 $10.24 to $11.48 —2014 $12.20 258,7502015 $15.25 to $15.88 1,708,7082016 $13.65 to $14.20 —Total 2,055,738