Equity Based Compensation (Tables)
6 Months Ended
Jun. 30, 2012
Equity Based Compensation [Abstract]  
Summarized reorganization-related performance-based stock units
                 
    Performance-Based
Stock Units
    Weighted
Average
Fair
Value
 

Stock unit awards outstanding at January 1, 2012

    40,480     $ 12.00  

Granted

    —       $ —    

Vested

    —       $ —    

Forfeited

    —       $ —    
   

 

 

         

Stock unit awards outstanding at June 30, 2012

    40,480     $ 12.00  
   

 

 

         
Summarized reorganization-related service-based stock units
                 
    Service-Based
Stock Units
    Weighted
Average
Grant
Date Fair
Value
 

Stock unit awards outstanding at January 1, 2012

    2,899,917     $ 12.00  

Granted

    65,740     $ 13.45  

Vested

    (65,740   $ 13.45  

Forfeited

    (28,791   $ 12.00  
   

 

 

         

Stock unit awards outstanding at June 30, 2012

    2,871,126     $ 12.00