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Equity-Based Compensation (Tables)
 6 Months Ended
Jun. 30, 2013
Summary of LTIP Award Activity

The following table summarizes LTIP award activity for the six months ended June 30, 2013:

 

 

Units

 

 

Value per
Unit

 

Restricted units unvested at beginning of period

 

  511,177

  

 

$

  28.55

  

 

 

 

 

 

 

 

 

Granted

 

  696,022

  

 

 

  35.09

  

Vested

 

(50,328

) 

 

 

  28.94

  

Forfeited

 

(93,193

) 

 

 

  31.62

  

Restricted units unvested at end of period

 

  1,063,678

  

 

$

  32.54