Stock-Based Compensation Plans (Tables)

6 Months Ended

Jun. 30, 2015

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Stock-Based Compensation Expense

Stock-based compensation expense for the six months ended June 30, 2015 and 2014 was as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
		2015		2014		2015		2014
	(In thousands)
Employees	$	2,900	$	2,183	$	5,639	$	4,272
Non-employee directors		150		152		386		379
Total stock-based compensation	$	3,050	$	2,335	$	6,025	$	4,651