Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2015

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

Components of Share Based Compensation Awards

The following table summarizes the components of the Corporation's share-based compensation awards recorded as expense:

	Three Months Ended March 31,
	2015			2014
Stock and ESPP Options
Pre-tax compensation expense	$	27		$	44
Income tax expense (benefit)	(1		)	(3		)
Stock and ESPP option expense, net of income taxes	$	26		$	41
Restricted Stock Awards
Pre-tax compensation expense	$	490		$	461
Income tax benefit	(168		)	(161		)
Restricted stock awards expense, net of income taxes	$	322		$	300
Total Share-Based Compensation
Pre-tax compensation expense	$	517		$	505
Income tax benefit	(169		)	(164		)
Total share-based compensation expense, net of income taxes	$	348		$	341

Stock Option Activity Under Stock Option Plans

Stock option activity under the Corporation's stock option plans as of March 31, 2015 and changes during the three months ended March 31, 2015, were as follows:

	Number of Shares		Weighted-Average Exercise Price		Weighted Average Remaining Contractual Term (in Years)	Aggregate Intrinsic Value
Outstanding at January 1, 2015	737,931		$	20.99
Granted
Exercised	(23,373	)	$	15.17
Canceled	(100	)	$	28.25
Outstanding March 31, 2015	714,458		$	21.18	2.84	2,742,203
Vested and Expected to Vest at March 31, 2015	714,458		$	21.18	2.84	2,742,203
Exercisable at March 31, 2015	714,458		$	21.18	2.84	2,742,203

Unvested RSAs Outstanding

The following table summarizes information on unvested RSAs outstanding as of March 31, 2015:

	Number of Shares		Weighted-Average Grant Date Fair Value
Unvested RSAs at January 1, 2015	385,450		$	15.65
Granted	100,140		$	22.91
Vested	(126,531	)	$	11.40
Forfeited	(1,487	)	$	15.04
Unvested RSAs at March 31, 2015	357,572		$	19.19