XML 56 R42.htm IDEA: XBRL DOCUMENT v3.10.0.1
Restricted Stock, Performance Share and Cash Awards (Tables)
 12 Months Ended
Dec. 31, 2018
Text Block [Abstract]  
Schedule of Restricted Stock Awards Vesting Periods

The vesting periods of the 2018, 2017 and 2016 restricted stock unit awards are as follows (in actual shares):

 

     Restricted Stock Units Granted  

Vesting Period

    2018      2017      2016  

One year

      18,900        21,600        27,417  

Two years

      12,700        12,750        —    

Five years

      407,500        442,000        451,750  
  

 

 

     

 

 

     

 

 

  

Total shares granted

      439,100        476,350        479,167