Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2014

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,
	2014			2013
Stock and ESPP Options
Pre-tax compensation expense	$	44		$	38
Income tax expense (benefit)	(3		)	(2		)
Stock and ESPP option expense, net of income taxes	$	41		$	36
Restricted Stock Awards
Pre-tax compensation expense	$	461		$	336
Income tax benefit	(161		)	(117		)
Restricted stock awards expense, net of income taxes	$	300		$	219
Total Share-Based Compensation
Pre-tax compensation expense	$	505		$	374
Income tax benefit	(164		)	(119		)
Total share-based compensation expense, net of income taxes	$	341		$	255

Stock Option Activity Under Stock Option Plans

Stock option activity under the Corporation's stock option plans as of March 31, 2014 and changes during the three months ended March 31, 2014, were as follows:

	Number of Shares		Weighted-Average Exercise Price		Weighted Average Remaining Contractual Term (in Years)	Aggregate Intrinsic Value
Outstanding at January 1, 2014	958,786		$	21.32
Granted
Exercised	(25,050	)	$	10.88
Canceled	1,815		$	22.15
Outstanding March 31, 2014	935,551		$	21.60	2.97	2,401,422
Vested and Expected to Vest at March 31, 2014	935,551		$	21.60	2.97	2,401,422
Exercisable at March 31, 2014	926,551		$	21.66	2.91	2,344,542

Unvested RSAs Outstanding

The following table summarizes information on unvested RSAs outstanding as of March 31, 2014:

	Number of Shares		Weighted-Average Grant Date Fair Value
Unvested RSAs at January 1, 2014	429,002		$	12.51
Granted	84,792		$	20.43
Vested	(105,509	)	$	12.50
Forfeited	(1,970	)	$	9.07
Unvested RSAs at March 31, 2014	406,315		$	15.06