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Stock Options (Tables)
6 Months Ended
Jun. 30, 2021
Stock Options  
Summary of option activity under stock option plans

    

    

    

Weighted

    

    

Weighted

average

average

remaining

Aggregate

Number of

exercise

contractual

intrinsic

options

price

term (years)

value ($)

(in Thousands)

Options outstanding at December 31, 2020

 

651,127

$

27.24

Plus: Options granted

 

 

Less:

Options exercised

 

91,262

 

21.88

Options expired

 

 

Options forfeited

 

20,988

 

31.75

Options outstanding at June 30, 2021

 

538,877

 

27.97

 

4.80

$

8,066

Options fully vested and exercisable at June 30, 2021

 

345,715

$

24.54

 

3.54

$

6,361