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Stock Based Compensation (Tables)
 6 Months Ended
Jun. 30, 2018
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Summary of Award Activity under Plans

The following is the activity under the Plans during the six month period ended June 30, 2018.

 

 

Six Months Ended June 30, 2018

 

 

Maximum Awarded Service Units

 

 

Weighted Average

Grant Date Fair

Value

 

 

Maximum Awarded Performnce Units

 

 

Weighted Average

Grant Date Fair

Value

 

Beginning balance - non-vested shares

 

323,331

 

 

$

9.20

 

 

 

266,515

 

 

$

9.43

 

Granted

 

17,729

 

 

 

14.35

 

 

 

62,919

 

 

 

14.31

 

Vested

 

(33,000

)

 

 

7.88

 

 

 

(63,873

)

 

 

7.76

 

Forfeited

 

0

 

 

 

0

 

 

 

(61,733

)

 

 

7.76

 

Ending balance - non-vested shares

 

308,060

 

 

$

9.64

 

 

 

203,828

 

 

$

11.96