Stock Based Compensation (Tables)

3 Months Ended

Mar. 31, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of expenses related to share-based payments

The following table highlights the expense related to stock based compensation for the three months endedMarch 31, 2018 and 2017:

	Three Months Ended March 31,
(in thousands)	2018		2017
Restricted stock units (a)	$	1,658	$	1,004
Restricted stock	91		136
Stock options	26		91
Stock based compensation	$	1,775	$	1,231

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