Employee Share Plans (Tables)

6 Months Ended

Jun. 30, 2019

Schedule of Share-Based Compensation Awards

Compensation expense for stock-based awards recognized during the three and six months ended June 30, 2019 and 2018 was as follows (in thousands):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2019		2018		2019		2018
Stock options	$	479	$	1,030	$	998	$	1,548
Restricted stock awards		1,153		1,383		2,082		2,302
Performance share units		285		—		319		—
Total stock-based compensation expense	$	1,917	$	2,413	$	3,399	$	3,850

Stock Award Activity

Stock Options and Restricted Stock Awards – The following table presents our stock options and restricted stock award activity during the six months ended June 30, 2019 (in thousands, except per share data):

	Stock Options					Restricted Stock 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		3,622		$	11.97		632		$	15.35
Granted		—		$	—		227		$	19.78
Exercised or released		(378	)	$	8.05		(282	)	$	13.76
Expired or canceled		—		$	—		—		$	—
Outstanding at June 30, 2019		3,244		$	12.43		577		$	17.88
Exercisable at June 30, 2019		2,287		$	10.65

(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, 2019 (in thousands, except per share data):

	PSUs		Grant-Date Fair Value Per Unit
Outstanding at beginning of year		—	$	—
Granted		173	$	19.82
Vested		—	$	—
Adjustments for performance results		—	$	—
Expired or cancelled		—	$	—
Outstanding at June 30, 2019		173	$	19.82