Annual report pursuant to Section 13 and 15(d)

Share-Based Compensation Stock and Non-Vested Stock (Details)

v2.4.0.6
Share-Based Compensation Stock and Non-Vested Stock (Details) (USD $)
0 Months Ended 12 Months Ended 0 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended
Feb. 25, 2009
Phantom Stock [Member]
2003 Stock Incentive Plan [Member]
Dec. 31, 2012
Phantom Stock [Member]
2003 Stock Incentive Plan [Member]
Dec. 31, 2011
Phantom Stock [Member]
2003 Stock Incentive Plan [Member]
Dec. 31, 2010
Phantom Stock [Member]
2003 Stock Incentive Plan [Member]
Feb. 25, 2009
Phantom Stock [Member]
Three-year graded vesting period [Member]
2003 Stock Incentive Plan [Member]
Dec. 31, 2012
Restricted Stock [Member]
2003 Stock Incentive Plan [Member]
Dec. 31, 2011
Restricted Stock [Member]
2003 Stock Incentive Plan [Member]
Dec. 31, 2010
Restricted Stock [Member]
2003 Stock Incentive Plan [Member]
Jun. 30, 2010
Restricted Stock [Member]
2007 Retention Grants [Member]
Dec. 01, 2009
Restricted Stock [Member]
2007 Retention Grants [Member]
Dec. 01, 2008
Restricted Stock [Member]
2007 Retention Grants [Member]
Jun. 30, 2011
Restricted Stock [Member]
2011 Restricted Stock Awards [Member]
Dec. 31, 2012
Restricted Stock [Member]
One Year Graded Vesting Period [Member]
Dec. 31, 2012
Restricted Stock [Member]
Vesting Period June 30, 2012 [Member]
2011 Restricted Stock Awards [Member]
Dec. 31, 2012
Restricted Stock [Member]
Vesting Period June 30, 2013 [Member]
2011 Restricted Stock Awards [Member]
Dec. 31, 2012
Restricted Stock [Member]
Three-year graded vesting period [Member]
Dec. 31, 2012
Restricted Stock [Member]
Four-year graded vesting period [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                  
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period   0 5,262,000 502,000   10,293,000 2,565,000 1,234,000                  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period         3 years               1 year     3 years 4 years
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Percentage                 20.00% 30.00% 50.00% 33.00%   33.00% 33.00%    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]                                  
Non-vested shares at January 2012           1,879,000                      
Weighted Average Grant Date Fair Value at January 1, 2012           $ 7.75                      
Non-vested shares, granted 5,545,000         10,293,000                      
Weighted Average Grant Date Fair Value, granted           $ 14.06 $ 7.72 $ 3.31                  
Non-vested shares, vested           (4,361,000)                      
Weighted Average Grant Date Fair Value, forfeited           $ 12.76 $ 7.26 $ 5.54                  
Non-vested shares, forfeited           14,000                      
Weighted Average Grant Date Fair Value, forfeited           $ 12.78                      
Non-vested at December 31, 2012           7,797,000 1,879,000                    
Weighted Average Grant Date Fair Value at December 31, 2012           $ 13.27 $ 7.75