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Stock-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Summary of Restricted Stock Unit Activity
The table below summarizes restricted stock unit activity for the year ended December 31, 2019:
 
Restricted
Stock Units
 
Weighted
Average
Grant Date
Fair Value
Restricted stock units outstanding at December 31, 2018
2,202,224

 
$
26.16

 
Granted
1,086,004

 
28.51

 
Released
(1,301,777
)
 
24.49

 
Forfeited
(11,876
)
 
28.87

 
Restricted stock units outstanding at December 31, 2019
1,974,575

 
28.54