XML 57 R42.htm IDEA: XBRL DOCUMENT v3.19.1
Stock plans (Tables)
12 Months Ended
Dec. 31, 2018
Stock plans  
Schedule of activity related to restricted stock

 

 

 

 

 

 

 

 

Year Ended December 31

    

2018

    

2017

    

2016

 

Nonvested, January 1

 

12,448

 

12,362

 

14,309

 

Granted shares

 

11,468

 

10,628

 

 

 

Vested shares

 

2,607

 

10,542

 

1,947

 

Forfeited shares

 

 

 

 

 

 

 

Nonvested, December 31

 

21,309

 

12,448

 

12,362