Equity Incentive Plans (Tables)

9 Months Ended

Sep. 30, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of the activity of stock option awards

A summary of the activity of stock option awards issued and outstanding under Company plans is as follows for the nine months ended September 30, 2017:

	Shares		Wtd. Avg. Exercise Price		Wtd. Avg. Remaining Contractual Term (years)	Aggregate Intrinsic Value
	(in thousands)					(in thousands)
Options outstanding at January 1, 2017	1,211		$	20.65	7.14	$	5,466
Options granted	462		32.30
Options exercised	(348	)	19.22
Options forfeited/canceled/expired	(59	)	27.35
Options outstanding at September 30, 2017	1,266		$	24.98	7.61	$	5,200
Options vested and expected to vest at September 30, 2017	1,186		$	24.77	7.53	$	5,025
Options exercisable at September 30, 2017	538		$	21.96	6.27	$	3,352

Summary of the activity of restricted stock

A summary of the activity of restricted stock outstanding is as follows for the nine months ended September 30, 2017:

	Shares		Wtd. Avg. Grant  Date Fair Value
	(in thousands)
Restricted stock outstanding at January 1, 2017	1,346		$	24.37
Granted	927		35.33
Vested	(439	)	23.20
Forfeited/canceled	(60	)	26.76
Restricted stock outstanding at September 30, 2017	1,774		$	30.45