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Stock plans (Tables)
12 Months Ended
Dec. 31, 2022
Stock plans  
Schedule of activity related to restricted stock

(Dollars in thousands)

    

2022

    

2021

    

2020

 

Nonvested, January 1

 

36,281

 

31,923

 

25,984

Granted shares

19,787

 

19,818

 

16,269

Vested shares

 

16,403

15,460

8,455

Forfeited shares

195

1,875

Nonvested, December 31

 

39,470

 

36,281

 

31,923