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Stock-based Compensation (Tables)
3 Months Ended
Mar. 31, 2021
Share-based Payment Arrangement [Abstract]  
Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity
A summary of the status of the outstanding RSAs as of March 31, 2021 is presented below:
Number of RSA SharesWeighted-Average Grant-Date Fair Value
RSAs at January 1, 202151,561 $50.92 
Granted49,960 53.84 
Vested(28,402)50.16 
Forfeited— — 
RSAs at March 31, 202173,119 $53.22 
A summary of the status of the outstanding RSUs as of March 31, 2021 is presented below:
Number of RSU SharesWeighted-Average Grant-Date Fair Value
RSUs at January 1, 202187,787 $46.62 
Granted31,749  53.96
Performance criteria adjustment12,257  52.96
Vested(38,897) 52.96
Forfeited(1,954) 35.40
RSUs at March 31, 202190,942 $52.71