EQUITY AND EARNINGS PER SHARE - Outstanding Options (Details 1) (USD $)
In Thousands, except Share data, unless otherwise specified
 12 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2013
Independent Directors
Dec. 31, 2012
Independent Directors
Dec. 31, 2013
Independent Directors
Stock Options
Dec. 31, 2013
Manager
Stock Options
Dec. 31, 2013
Manager
Stock Options
Dec. 31, 2013
Manager
Stock Options
Dec. 31, 2013
Manager
Stock Options
Dec. 31, 2013
Manager
Stock Options
Dec. 31, 2013
Manager
Stock Options
Dec. 31, 2013
Manager
Stock Options
Dec. 31, 2013
Manager
Stock Options
Recipient       Directors Manager Manager Manager Manager Manager Manager    
Date of Grant       Various [1] 2003-2007 [1] Mar-11 [1] Sep-11 [1] Apr-12 [1] May-12 [1] Jul-12 [1] Jan-13 [1] Feb-13 [1]
Date of grant of expired options 2003                      
Stock Options outstanding 20,730,458 12,000 4,000 12,000 2,453,109 [2] 1,676,833 [2] 2,539,833 [2] 1,897,500 [2] 2,300,000 [2] 2,530,000 [2] 5,750,000 [2] 2,300,000 [2]
Options Exercised (307,833)                      
Options expired unexercised (420,984)                      
Options Exercisable 12,752,781     12,000 2,032,125 1,580,166 2,170,850 1,244,778 1,421,667 1,416,195 2,108,333 766,667
Weighted Average Strike Price $ 5.25 [3]     $ 7.76 [3] $ 15.28 [3] $ 3.29 [3] $ 2.49 [3] $ 3.41 [3] $ 3.67 [3] $ 3.67 [3] $ 5.12 [3] $ 5.74 [3]
Exercises - Weighted Average Strike Price $ 3.08 [3]                      
Intrinsic Value           $ 5,400 $ 9,100 $ 4,100 $ 4,300 $ 4,300 $ 3,300 $ 700
[1] Options expire on the tenth anniversary from date of grant.
[2] The Manager assigned certain of its options to Fortress's employees as follows (See Schedule of Options Assigned).
[3] The strike prices are subject to adjustment in connection with return of capital dividends.