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Stock-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2021
Share-based Payment Arrangement [Abstract]  
Schedule of outstanding restricted stock The following table presents information regarding the activity for the first nine months of 2021 related to the Company’s outstanding restricted stock:
Long-Term Restricted Stock
Number of UnitsWeighted-Average
Grant-Date Fair Value
Nonvested at January 1, 2021172,105 $33.80 
Granted during the period63,950 37.29 
Vested during the period(43,166)41.27 
Forfeited or expired during the period(8,011)38.00 
Nonvested at September 30, 2021184,878 $33.08