Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2018

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

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan

The following table summarizes the pre-tax stock-based compensation expense included in reported net income (in thousands): 

	Three months ended March 31,
	2018		2017
Non-qualified stock options	$	—	$	4
Restricted stock units	630		716
Board of Directors stock grants	68		76
Total stock-based compensation expense	$	698	$	796