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Stock Based Compensation Plan (Tables)
9 Months Ended
Sep. 30, 2019
Stock Based Compensation Plan [Abstract]  
Share Option and Award Activity
The following table summarizes our award activity during the nine months ended September 30, 2019:

  
Service-Based
Restricted Stock Awards
  
Performance-Based
Restricted Stock Awards
  
Stock-Settled
Appreciation Rights
 
  
Shares or
Units
  
Weighted-
Average
Award Price
  
Shares or
Units
  
Weighted-
Average
Award Price
  
Rights
  
Weighted-
Average
Award Price
 
Outstanding at December 31, 2018
  
249,142
  
$
22.05
   
209,754
  
$
21.56
   
57,000
  
$
18.14
 
Granted/Issued
  
136,868
   
20.24
   
113,522
   
20.29
   
   
 
Awards vested or rights exercised(1)
  
(124,544
)
  
22.32
   
(57,351
)
  
18.93
   
   
 
Forfeited
  
(17,986
)
  
21.28
   
(51,116
)
  
22.45
   
   
 
Outstanding at September 30, 2019
  
243,480
  
$
20.95
   
214,809
  
$
21.38
   
57,000
  
$
18.14
 
Exercisable at September 30, 2019
  
   
   
   
   
57,000
  
$
18.14
 
Awards expected to vest
  
243,480
  
$
20.95
   
144,561
  
$
21.90
   
   
 

(1)
Includes shares repurchased from employees for employee’s tax liability.