Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2015

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

Summary of Stock Option Assumptions

The following weighted average assumptions were used to determine the fair value of the stock options granted on the original grant date for expense recognition purposes for options granted during December 31, 2015, 2014 and 2013 using a Black Scholes-Merton Model:

	2015			2014			2013
Director and Officers:
Expected dividend yield	$	0.18		N/A			$	0.08
Expected volatility	44.14		%	N/A			47.08		%
Risk-free interest rate	1.97		%	N/A			1.55		%
Expected life (in years)	8			N/A			7
Employees:
Expected dividend yield	$	0.22		$	0.14		$	0.08
Expected volatility	42.71		%	44.85		%	45.92		%
Risk-free interest rate	1.41		%	2.26		%	1.40		%
Expected life (in years)	8			8			8

Summary of Stock Options Outstanding

The following is a summary of stock options vested and exercisable as of December 31, 2015:

		Weighted Average	Weighted
Range of	Number	Remaining	Average
Exercise	of	Contractual	Exercise		Intrinsic
Prices	Shares	Life	Price		Value
					(in thousands)
$4.31 - 8.65	421,237	4.89	$	7.04	$	6,814
$8.70 - 22.76	27,134	7.82	15.31		215
$23.57 - 23.57	—	0.00	—		—
Total	448,371	5.07	$	7.54	$	7,029

The following is a summary of stock options vested and exercisable as of December 31, 2014:

		Weighted Average	Weighted
Range of	Number	Remaining	Average
Exercise	of	Contractual	Exercise		Intrinsic
Prices	Shares	Life	Price		Value
					(in thousands)
$3.21 - 6.89	411,553	3.46	$	5.16	$	7,113
$7.13 - 8.17	81,050	6.54	7.27		1,226
$8.65 - 21.14	175,527	6.53	8.76		2,392
Total	668,130	4.64	$	6.36	$	10,731

The following is a summary of stock options vested and exercisable as of December 31, 2013:

		Weighted Average	Weighted
Range of	Number	Remaining	Average
Exercise	of	Contractual	Exercise		Intrinsic
Prices	Shares	Life	Price		Value
					(in thousands)
$3.21 - 6.89	422,003	4.09	$	4.85	$	6,941
$7.13 - 8.17	63,225	7.45	7.24		889
$8.65 - 9.34	97,887	8.38	8.65		1,238
Total	583,115	5.17	$	5.75	$	9,068

Summary of Stock Option Activity

A summary of option activity under the plan is as follows:

			Weighted Average Exercise
Options	Shares		Price
Outstanding at December 31, 2014	1,233,911		$	8.16
Granted	363,895		22.79
Exercised	(435,562	)	6.42
Forfeited or Expired	(31,334	)	14.02
Outstanding at December 31, 2015	1,130,910		$	13.38
Exercisable at December 31, 2015	448,371		$	7.54

Summary of Unvested Restricted Stock Awards

A summary of the unvested restricted stock awards is as follows:

			Weighted Average Grant date
Restricted stock	Shares		Fair Value
Unvested at December 31, 2014	414,846		$	16.76
Granted	134,346		22.22
Vested	(115,885	)	15.61
Forfeited	(23,284	)	18.46
Unvested at December 31, 2015	410,023		$	18.78

Summary of Grant Date Fair Value of Awards During Period

	2015		2014		2013
Grant date fair value of awards during the period:	(in thousands)
Options	$	3,685	$	817	$	841
Restricted stock	2,985		5,024		2,306
Total	$	6,670	$	5,841	$	3,147

Summary of Share-Based Compensation Expense

	2015		2014		2013
Share-based compensation expense:	(in thousands)
Options	$	833	$	898	$	1,170
Restricted stock	2,058		1,280		593
Total	$	2,891	$	2,178	$	1,763

Summary of Income Tax Benefit Related to Share-Based Compensation

	2015		2014		2013
Income tax benefit related to share-based compensation:	(in thousands)
Options	$	2,165	$	979	$	715
Restricted stock	280		260		128
Total	$	2,445	$	1,239	$	843