Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation (Tables)

v3.19.3.a.u2
Stock-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2019
Share-based Payment Arrangement, Noncash Expense [Abstract]  
Schedule of restricted stock award and unit activity
The following table summarizes restricted stock unit and performance vesting restricted stock unit activity for the twelve months ended December 31, 2019, 2018 and 2017: 
 
Number of
Unvested
Restricted Stock Units
 
Weighted
Average
Grant Date
Fair Value
 
Number of
Unvested
Performance Vesting Restricted Stock Units
 
Weighted
Average
Grant Date
Fair Value
Unvested shares as of January 1, 2017
613,056

 
$
32.90

 
$

 
$

Granted
876,846

 
15.14

 

 

Vested
(423,977
)
 
29.90

 

 

Forfeited
(89,898
)
 
27.91

 

 

Unvested shares as of December 31, 2017
976,027

 
$
18.71

 
$

 
$

Granted
1,579,911

 
$
9.90

 
$

 
$

Vested
(626,671
)
 
18.05

 

 

Forfeited
(393,456
)
 
12.23

 

 

Unvested shares as of December 31, 2018
1,535,811

 
$
11.57

 
$

 
$

Granted
4,011,073

 
3.74

 
2,009,144

 
2.85

Vested
(676,108
)
 
12.89

 

 

Forfeited
(772,458
)
 
6.05

 
(225,484
)
 
1.98

Unvested shares as of December 31, 2019
4,098,318

 
$
4.73

 
1,783,660

 
$
2.96