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Share-based Compensation (Tables)
9 Months Ended
Sep. 30, 2019
Share-based Compensation  
Schedule of status of and changes in the Company's stock option awards

A summary of the status of and changes in the Company's stock option awards for the nine months ended September 30, 2019 follows:

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​

​

​

​

​

​

​

​

​

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Weighted-

​

Weighted-

​

​

​

​

Average

​

Average

​

​

​

​

Exercise

​

Remaining Contractual

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Shares

    

Price

    

Term

Outstanding at beginning of period

 

87,600

 

$

20.58

​

​

Exercised

 

(23,561)

​

 

17.69

​

​

Forfeited

 

(3,003)

​

 

23.53

​

​

Expired

 

(5,767)

​

 

17.38

​

​

Outstanding at end of period

 

55,269

 

$

21.99

 

6.11

Exercisable at end of period

 

39,825

 

$

21.39

 

5.71

Summary of the changes in the Company's stock unit awards

A summary of the changes in the Company’s stock unit awards for the nine months ended September 30, 2019, is as follows:

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​

​

​

​

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​

​

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Weighted-

​

Director

​

Weighted-

​

​

Restricted

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Average

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Deferred

​

Average

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​

Stock

​

Grant Date

​

Stock

​

Grant Date

​

    

Units

    

Fair Value

    

Units

    

Fair Value

Non-vested at beginning of period

 

690,495

 

$

26.14

 

20,449

 

$

27.93

Granted

 

216,411

​

 

26.73

 

20,984

​

 

26.78

Dividend equivalents earned

 

17,559

​

 

26.07

 

1,961

​

 

26.07

Vested

 

(104,760)

​

 

18.40

 

(20,723)

​

 

31.18

Forfeited

 

(4,712)

​

 

30.47

 

(1,523)

​

 

31.62

Non-vested at end of period

 

814,993

 

$

27.26

 

21,148

 

$

23.17

Outstanding at end of period

 

814,993

 

$

27.26

 

89,831

 

$

23.36