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Stock Based Compensation Expense (Tables)

3 Months Ended

Mar. 31, 2015

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, 2014		724,904		$	9.22	$	7.82
Options exercised, $7.50		(16,650	)		7.50
Options forfeited, $11.49 and $13.24		(10,400	)		11.49

Balance outstanding, March 31, 2015		697,854		$	9.21	$	7.71

Summary of Stock Options Summarized by Exercise Price

Information relating to stock options at March 31, 2015 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		404,550		68	$	7.50		404,550	$	7.50
$11.32—$14.75		293,304		114	$	11.56		16,679	$	12.69

		697,854			$	9.21		421,229	$	7.71

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 March 31, 2015 were as follows:


	Number of Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (Months)		Intrinsic Value (thousands)
As of March 31, 2015:
Incentive Stock Option Plans:
Outstanding		697,854	$	9.21		87	$	1,262
Expected to Vest		686,973	$	9.17		89	$	1,262
Exercisable		421,229	$	7.71		71	$	1,262

Performance Incentive Stock Option Plan

Summary of Option Activity

Performance option activity is as follows:


	Incentive Stock Option Plans		Weighted Average Price Per Share		Exercisable Weighted Average Price Per Share
Balance outstanding, December 31, 2014		107,689	$	11.49	$	—

Balance outstanding, March 31, 2015		107,689	$	11.49	$	—

Summary of Stock Options Summarized by Exercise Price

Information relating to stock options at March 31, 2015 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
Performance Incentive Stock Option Plan:
$11.49		107,689		33	$	11.49		—	$	—

		107,689			$	11.49		—	$	—

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 March 31, 2015 are as follows:


	Number of Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (Months)		Intrinsic Value (thousands)
As of March 31, 2015:
Incentive Stock Option Plans:
Outstanding		107,689	$	11.49		33	$	—
Expected to Vest		107,689	$	11.49		33	$	—
Exercisable		—	$	—		—	$	—

Restricted Stock

Summary of Non-Vested Shares

Restricted Shares— A summary of non-vested shares as of and for the three months ended March 31, 2015 is presented below:


	Number of Shares			Weighted Average Grant- Date Fair Value
Nonvested shares at December 31, 2014		560,842		$	21.44
Granted		30,000			11.42
Vested		(192,266	)		20.47
Forfeited		(422	)		14.92

Nonvested shares at March 31, 2015		398,154		$	21.17

Performance Shares

Summary of Non-Vested Shares

Performance Based Shares—A summary of non-vested performance based shares as of and for the three months ended March 31, 2015 is presented below:


	Number of Shares		Weighted Average Grant- Date Fair Value
Nonvested shares at December 31, 2014		103,907	$	17.81
Granted		7,500		10.96
Vested		—		—
Forfeited		—		—

Nonvested shares at March 31, 2015		111,407	$	17.35