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 12 Months Ended 12 Months Ended
Feb. 25, 2009
2003 Stock Incentive Plan [Member]
Phantom Stock [Member]
Dec. 31, 2011
2003 Stock Incentive Plan [Member]
Phantom Stock [Member]
Dec. 31, 2010
2003 Stock Incentive Plan [Member]
Phantom Stock [Member]
Dec. 31, 2009
2003 Stock Incentive Plan [Member]
Phantom Stock [Member]
Dec. 31, 2011
2003 Stock Incentive Plan [Member]
Restricted Stock [Member]
Dec. 31, 2010
2003 Stock Incentive Plan [Member]
Restricted Stock [Member]
Dec. 31, 2009
2003 Stock Incentive Plan [Member]
Restricted Stock [Member]
Jun. 30, 2010
2007 Retention Grants [Member]
Restricted Stock [Member]
Dec. 01, 2009
2007 Retention Grants [Member]
Restricted Stock [Member]
Dec. 01, 2008
2007 Retention Grants [Member]
Restricted Stock [Member]
Jun. 30, 2011
2011 Restricted Stock Awards [Member]
Restricted Stock [Member]
Dec. 31, 2011
One Year Graded Vesting Period [Member]
2003 Stock Incentive Plan [Member]
Restricted Stock [Member]
Dec. 31, 2011
Vesting Period June 30, 2012 [Member]
2011 Restricted Stock Awards [Member]
Restricted Stock [Member]
Dec. 31, 2011
Vesting Period June 30, 2013 [Member]
2011 Restricted Stock Awards [Member]
Restricted Stock [Member]
Dec. 31, 2011
Three-year graded vesting period [Member]
Phantom Stock [Member]
Dec. 31, 2011
Three-year graded vesting period [Member]
2003 Stock Incentive Plan [Member]
Restricted Stock [Member]
Dec. 31, 2011
Four-year graded vesting period [Member]
2003 Stock Incentive Plan [Member]
Restricted Stock [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   5,262,000 502,000 522,000 2,565,000 1,234,000 325,000                    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period                       1 year     3 years 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]                                  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number         927,000                        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value         $ 4.30                        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 5,545,000       2,557,000                        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value         $ 7.72 $ 3.31 $ 0                    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period         (1,566,000)                        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value         $ 7.26 $ 5.54 $ 3.07                    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period         (39,000)                        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period, Weighted Average Grant Date Fair Value         $ 6.83                        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number CLONE         1,879,000 927,000                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value CLONE         $ 7.75 $ 4.30