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Stock Options (Tables)
3 Months Ended
Mar. 31, 2020
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, 2019

 

658,588

$

27.55

Plus: Options granted

 

26,500

 

16.84

Less:

Options exercised

 

10,549

 

21.37

Options expired

 

 

Options forfeited

 

7,263

 

29.55

Options outstanding at March 31, 2020

 

667,276

 

27.20

 

5.71

$

2,131

Options fully vested and exercisable at March 31, 2020

 

393,999

$

22.02

 

4.10

$

1,825