Stock-Based Compensation Plans (Tables)

3 Months Ended

Mar. 31, 2018

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Stock-Based Compensation Expense

Stock-based compensation expense for the three months ended March 31, 2018 and 2017 was as follows:

	Three Months Ended March 31,
	2018		2017
	(In thousands)
Employees	$	3,692	$	3,699
Non-employee directors		259		244
Total stock-based compensation	$	3,951	$	3,943