XML 28 R16.htm IDEA: XBRL DOCUMENT v3.19.1
Stock Based Compensation
3 Months Ended
Mar. 31, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Stock Based Compensation
Stock Based Compensation
The following table highlights the expense related to stock based compensation for the three months ended March 31, 2019 and 2018:
 
Three Months Ended March 31,
(in thousands)
2019
 
2018
Restricted stock units (a)
$
2,915

 
$
1,658

Restricted stock

 
91

Stock options

 
26

Stock based compensation
$
2,915

 
$
1,775


(a) Includes service-based and performance-based restricted stock units.

During the three months ended March 31, 2019, the Company granted 0.4 million service-based restricted stock unit awards. In addition, during the three months ended March 31, 2019, the Company granted performance-based restricted stock units that allow for a maximum of 0.4 million performance-based restricted stock units to be earned.
During the three months ended March 31, 2018, the Company granted 0.6 million service-based restricted stock unit awards. In addition, during the three months ended March 31, 2018, the Company granted performance-based restricted stock units that allow for a maximum of 0.2 million performance-based restricted stock units to be earned.