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Stock Options and Stock Appreciation Rights (Tables)
3 Months Ended
Mar. 31, 2023
Stock Options and Stock Appreciation Rights  
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, 2022

 

461,822

$

29.67

Plus: Options granted

 

 

Less:

Options exercised

 

3,537

 

24.00

Options expired

 

 

Options forfeited

 

2,938

 

36.51

Options outstanding at March 31, 2023

 

455,347

 

29.67

 

3.82

$

5,987

Options fully vested and exercisable at March 31, 2023

 

257,932

$

25.20

 

2.06

$

4,545

Summary of activity under the SAR Plan

    

    

    

Weighted

    

    

Weighted

average

Number of

average

remaining

Aggregate

stock appreciation

exercise

contractual

intrinsic

rights

price

term (years)

value ($)

(in Thousands)

Stock appreciation rights outstanding at December 31, 2022

 

489,250

$

39.35

Plus: Stock appreciation rights granted

 

Less:

Stock appreciation rights exercised

 

Stock appreciation rights expired

 

Stock appreciation rights forfeited

 

5,750

39.33

Stock appreciation rights outstanding at March 31, 2023

 

483,500

 

39.35

 

9.50

$

1,680

Stock appreciation rights fully vested and exercisable at March 31, 2023

 

$