Employee Stock Plans (Tables)

6 Months Ended

Jun. 30, 2020

Schedule of Stock-Based Compensation Awards

Compensation expense for stock-based awards recognized during the three and six months ended June 30, 2020 and 2019 was as follows (in thousands):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2020		2019		2020		2019
Stock options	$	367	$	479	$	788	$	998
Restricted stock units and awards		1,324		1,153		2,495		2,082
Performance share units		566		285		997		319
Total stock-based compensation expense	$	2,257	$	1,917	$	4,280	$	3,399

Stock Award Activity

Stock Options and Restricted Stock Units and Awards – The following table presents our stock options and restricted stock award activity during the six months ended June 30, 2020 (in thousands, except per share data):

	Stock Options					Restricted Stock Units and Awards
	Number of Options			Weighted Average Exercise Price Per Share		Number of Shares			Weighted Average Grant-Date Fair Value (1)
Outstanding at beginning of year		2,412		$	13.58		577		$	17.87
Granted		—		$	—		178		$	24.48
Exercised or released		(327	)	$	9.88		(276	)	$	16.74
Expired or canceled		(8	)	$	18.15		(9	)	$	20.96
Outstanding at June 30, 2020		2,077		$	14.14		470		$	20.97
Exercisable at June 30, 2020		1,605		$	12.96

(1) Represents weighted average market value of the shares; awards are granted at no cost to the recipients.

Performance Shares [Member]

Stock Award Activity

The following table presents our PSU award activity during the six months ended June 30, 2020 (in thousands, except per share data):

	Performance Share Units			Weighted Average Grant-Date Fair Value Per Unit
Outstanding at beginning of year		200		$	19.82
Granted		132		$	25.75
Vested		—		$	—
Adjustments for performance results		—		$	—
Expired or canceled		(8	)	$	22.14
Outstanding at June 30, 2020		324		$	22.17