Stock Based Compensation (Tables)

6 Months Ended

Jun. 30, 2020

Share-based Payment Arrangement [Abstract]

Schedule of expenses related to share-based payments

The following table highlights stock based compensation for the three and six months ended June 30, 2020 and 2019:

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Restricted stock units (a)	$	2,966	$	3,248	$	6,136	$	6,163
Stock options (b)	362		—		362		—
Stock based compensation	$	3,328	$	3,248	$	6,498	$	6,163

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

(b) Represents expense related to a modification of vested stock options.