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Stock Based Compensation (Tables)
 3 Months Ended
Mar. 31, 2019
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Summary of Restricted Stock Activity and Related Information

A summary of restricted stock activity and related information for the three months ended March 31, 2019 is presented below:

 

 

 

Shares

 

 

Weighted-Average

Grant-Date

Fair Value

Per Share

 

Nonvested at January 1, 2019

 

 

541,560

 

 

$

12.14

 

Granted

 

 

468,984

 

 

$

4.55

 

Vested

 

 

(246,675

)

 

$

12.74

 

Forfeited

 

 

(19,492

)

 

$

11.55

 

Nonvested at March 31, 2019

 

 

744,377

 

 

$

7.17