XML 49 R29.htm IDEA: XBRL DOCUMENT v3.21.1
Stock-Based Compensation (Tables)
 3 Months Ended
Mar. 31, 2021
Retirement Benefits [Abstract]  
Fair value assumptions of stock options The following assumptions were used in estimating the fair value for options granted for the full year 2020:
2020
Dividend yield3.50 %
Risk-free interest rate1.60 %
Weighted average expected volatility21.00 %
Weighted average expected life5.75 years
Weighted average per share fair value of options$2.39
Summary of company's stock option activities
A summary of the Corporation’s stock option activity for the three months ended March 31, 2021 is presented below:
Stock Options
Shares(a)
Weighted Average
Exercise Price		Weighted Average Remaining Contractual Term
Aggregate Intrinsic Value(a)
Outstanding at December 31, 20206,473 $19.77 6.23 years$2,005 
Exercised615 15.96 
Forfeited or expired35 20.99 
Outstanding at March 31, 20215,823 $20.17 6.21 years$13,099 
Options Exercisable at March 31, 20214,240 $20.19 5.39 years$10,154 
(a) In thousands
Summary of restricted stock awards activity (excluding salary shares)
The following table summarizes information about the Corporation’s restricted stock awards activity for the three months ended March 31, 2021:
Restricted Stock Awards
Shares(a)
Weighted Average
Grant Date Fair Value
Outstanding at December 31, 20202,293 $20.70 
Granted771 19.59 
Vested571 21.69 
Forfeited28 24.13 
Outstanding at March 31, 20212,466 $19.72 
(a) In thousands