XML 46 R28.htm IDEA: XBRL DOCUMENT v3.22.4
Stock-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2022
Stock Based Compensation [Abstract]  
Schedule of Share based Payment Award Restricted Stock Valuation Assumptions

The following is a summary of the key assumptions used in the valuation calculations for market based awards granted during the years ended December 31, 2022, 2021 and 2020:

 

 

2022

 

2021

 

2020

Risk free rate

 

1.010%

 

0.161%

 

1.603%

Dividend yield

 

2.024%

 

3.341%

 

3.070%

Volatility

 

25.84%

 

28.04%

 

17.02%

Requisite service period

 

3 years

 

3 years

 

3 years

Nonvested Restricted Stock Shares Activity

A summary of the status of the nonvested restricted shares as of December 31, 2022, and the changes for the year ended December 31, 2022, is presented below:

Nonvested Shares

 

Shares

 

 

Weighted Average Grant-Date Fair Value

 

Nonvested as of January 1, 2022

 

 

161,896

 

 

$

115.70

 

Issued

 

 

160,638

 

 

 

91.21

 

Vested

 

 

(195,526

)

 

 

82.04

 

Forfeited

 

 

(1,243

)

 

 

130.46

 

Nonvested as of December 31, 2022

 

 

125,765

 

 

$

136.60