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Stock-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2019
Share-based Payment Arrangement [Abstract]  
Summary of Compensation Expense Recognized Related to all Stock-Based Awards
The following table presents compensation expense recognized related to all stock-based awards (in thousands):
 
Year Ended December 31,
 
2019
 
2018
 
2017
Total stock-based compensation
$
14,806

 
$
14,814

 
$
15,906
Summary of Stock Option Awards
The following table presents a summary of stock option awards for the year ended December 31, 2019:
 
 
Options
 
Weighted
Average
Exercise
Price
Per Share
 
Weighted
Average
Remaining
Contractual
Life
 
Aggregate
Intrinsic
Value
(in thousands)
Options outstanding at December 31, 2018
953,905

 
$
14.58

 
4.2

 
$
296

Granted
—

 
—

 
—

 


Exercised
(58,937
)
 
$
7.84

 
 
 
 
Forfeited
(3,625
)
 
$
14.29

 
 
 
 
Options outstanding at December 31, 2019
891,343

 
$
15.03

 
3.4

 
$
994

Options exercisable at December 31, 2019
891,343

 
$
15.03

 
3.4

 
$
994
Summary of Restricted Stock Units
The following table presents a summary of restricted stock units (“RSUs”) for the year ended December 31, 2019:
 
Restricted
Stock
Units
 
Weighted
Average
Grant Date
Fair Value
Per Share
 
Aggregate
Intrinsic
Value
(in thousands)
Nonvested RSUs at December 31, 2018
3,341,848

 
$
11.05

 
$
36,526

Granted
1,656,333

 
$
12.15

 


Vested
(844,734
)
 
$
12.95

 
 
Forfeited
(769,096
)
 
$
5.45

 
 
Nonvested RSUs at December 31, 2019
3,384,351

 
$
12.39

 
$
52,694