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Stock-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2020
Stock-Based Compensation  
Summary of the Company's restricted stock activity

    

    

Weighted Average

    

Aggregate

 

Shares

Grant Date Fair Value

Intrinsic Value

 

December 31, 2019

 

1,126,705

$

46.55

Granted

 

280,830

 

51.61

Vested

 

(357,295)

 

44.85

Forfeited

 

(22,505)

 

46.08

December 31, 2020

 

1,027,735

$

47.75

$

61.0