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Stock Based Compensation Expense (Tables)

6 Months Ended

Jun. 30, 2013

Option activity within each plan is as follows:


	Incentive Stock Option Plans			Weighted Average Price Per Share		Exercisable Weighted Average Price Per Share
Balance outstanding, December 31, 2012		705,345		$	7.70	$	7.95
Options granted		—			—
Options exercised, $7.50		(6,666	)		7.50
Options expired or forfeited		(6,667	)		7.50

Balance outstanding, March 31, 2013		692,012		$	7.71	$	7.96
Options granted		—			—
Options exercised, $7.50		(13,333	)		7.50
Options expired or forfeited		—			—

Balance outstanding, June 30, 2013		678,679		$	7.71	$	8.07

Summary of Stock Options Summarized by Exercise Price

Information relating to stock options at June 30, 2013 summarized by exercise price is as follows:


	Outstanding Weighted Average						Exercisable Weighted Average
Exercise Price Per Share	Shares		Remaining Life (Months)		Exercise Price		Shares		Exercise Price
Incentive Stock Option Plan:
$7.50		652,000		85	$	7.50		146,000	$	7.50
$11.32—$14.75		26,679		86	$	12.90		16,679	$	13.08

		678,679			$	7.71		162,679	$	8.07

Weighted Average Exercise Prices for Options Granted and Exercisable and Weighted Average Remaining Contractual Life for Options Outstanding

The weighted average exercise prices for options granted and exercisable and the weighted average remaining contractual life for options outstanding as of June 30, 2013 was as follows:


	Number of Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (Months)		Intrinsic Value (thousands)
As of June 30, 2013:
Incentive Stock Option Plans:
Outstanding		678,679	$	7.71		85	$	10,633
Expected to Vest		674,823	$	7.71		85	$	10,573
Exercisable		162,679	$	8.07		72	$	2,490

Summary of Non-Vested Shares

Restricted Shares—A status summary of non-vested shares as of and for the six months ended June 30, 2013 is presented below:


	Number of Shares			Weighted Average Grant- Date Fair Value
Nonvested shares at December 31, 2012		245,817		$	20.23
Granted		145,884		$	31.27
Vested		—		$	—
Forfeited		(8,000	)	$	22.17

Nonvested shares at March 31, 2013		383,701		$	24.39
Granted		8,230		$	30.37
Vested		(8,230	)	$	30.37
Forfeited		—		$	—

Nonvested shares at June 30, 2013		383,701		$	24.39

Performance Shares

Summary of Non-Vested Shares

Performance Based Shares—A status summary of non-vested performance based shares as of and for the six months ended June 30, 2013 is presented below:


	Number of Shares		Weighted Average Grant- Date Fair Value
Nonvested shares at March 31, 2013		—	$	—
Granted		26,942	$	30.13
Vested		—	$	—
Forfeited		—	$	—

Nonvested shares at June 30, 2013		26,942	$	30.13