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Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2015
Stock-Based Compensation [Abstract]  
Disclosure of restricted stock award activity
The following tables summarizes our restricted stock award activity for the three months ended March 31, 2015 and 2014.
 
Three Months Ended March 31, 2015
 
Number of Shares of Restricted Stock Awards (in thousands)
 
Weighted Average Grant Date Fair Value
Unvested at beginning of period
183.1

 
$
16.78

Granted
2.0

 
27.29

Vested
(10.0
)
 
26.12

Forfeited

 

Outstanding (unvested) at end of period
175.1

 
$
16.49


 
Three Months Ended March 31, 2014
 
Number of Shares of Restricted Stock Awards (in thousands)
 
Weighted Average Grant Date Fair Value
Unvested at beginning of period
211.5

 
$
13.81

Granted

 

Vested

 

Forfeited

 

Outstanding (unvested) at end of period
211.5

 
$
13.81