Stock-Based Compensation Plans (Tables)

6 Months Ended

Jun. 30, 2018

Stock-Based Compensation Plans

Schedule of components of stock compensation expense

	Three months ended  June 30,				Six months ended June 30,
	2018		2017		2018		2017
	(in thousands)				(in thousands)
2007 Stock Incentive Plan	$	1,660	$	1,194	$	2,565	$	2,059
Employee Stock Purchase Plan		—		6		20		15
Total Stock Compensation Expense	$	1,660	$	1,200	$	2,585	$	2,074

Summary of activity under the 2007 Plan

	Shares
Restricted stock at December 31, 2017	328,122
Shares granted	267,454
Shares forfeited	—
Shares vested	(119,205)
Restricted stock at June 30, 2018	476,371