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Stockholders' Equity and Equity Compensation Plans (Tables)
 3 Months Ended
Mar. 31, 2022
Stockholders' Equity Note [Abstract]  
Summary of Unvested Restricted Common Stock Activity A summary of our unvested restricted common stock activity during the quarter ended March 31, 2022 is as follows (shares in thousands):

 

 

 

Quarter Ended

 

 

 

 

March 31, 2022

 

 

 

 

Shares

 

 

Weighted-
Average
Grant
Date Fair Value

 

 

Unvested awards, beginning

 

 

1,206

 

 

$

45.22

 

 

Awards granted

 

 

495

 

 

 

64.84

 

 

Awards forfeited/cancelled

 

 

(34

)

 

 

46.04

 

 

Awards vested

 

 

(339

)

 

 

43.31

 

 

Unvested awards, ending

 

 

1,328

 

 

$

52.94