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Employee Incentive, Deferred Compensation, And Retirement Plans (Tables)
 12 Months Ended
Dec. 31, 2020
Share Based Compensation Allocation And Classification In Financial Statements [Abstract]  
Unvested Stock Award Activity

 

 

 

 

 

 

 

Weighted-average grant date fair value

 

Unvested December 31, 2019

 

 

20,203

 

 

$

31.89

 

Granted

 

 

3,683

 

 

 

34.67

 

Vested

 

 

(5,464

)

 

 

27.69

 

Cancelled

 

 

(493

)

 

 

36.33

 

Unvested December 31, 2020

 

 

17,929

 

 

$

33.61