Quarterly report pursuant to Section 13 or 15(d)

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

v3.4.0.3
EQUITY AND EARNINGS PER SHARE - Summary of Outstanding Options - Period End (Details)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2016
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of options (in shares) 12,380,107.000
Options Exercisable (in shares) 6,447,546.000
Independent Directors [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of options (in shares) 4,000
Independent Directors [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) 4,000
Options Exercisable (in shares) 4,000
Weighted Average Exercise Price (in dollars per share) | $ / shares $ 13.58 [2]
Intrinsic Value of Exercisable Options | $ $ 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 [3]
March 2011 [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 | $ $ 110 [3]
January 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) 1,936,068 [3]
Options Exercisable (in shares) 1,936,068 [3]
Weighted Average Exercise Price (in dollars per share) | $ / shares $ 10.98 [2],[3]
Intrinsic Value of Exercisable Options | $ $ 1,270 [3]
April 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) 1,102,083 [3]
Weighted Average Exercise Price (in dollars per share) | $ / shares $ 12.20 [2],[3]
Intrinsic Value of Exercisable Options | $ $ 0 [3]
April 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) 2,946,395 [3]
Weighted Average Exercise Price (in dollars per share) | $ / shares $ 15.46 [2],[3]
Intrinsic Value of Exercisable Options | $ $ 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 1,100,4972014 $12.20 258,7502015 $15.25 to $15.88 1,708,708Total 3,156,235