Equity-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2018

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Equity-Based Compensation Expense, the Corresponding Tax Benefit and Net Equity-Based Compensation Expense

Equity-based compensation expense, the corresponding tax benefit and net equity-based compensation expense for 2018, 2017, and 2016 are as follows:

	2018		2017		2016
(amounts in thousands)
Equity-based compensation expense	$	2,351	$	1,059	$	1,626
Tax benefit		—		312		516
Net equity-based compensation expense	$	2,351	$	747	$	1,110

Summary of Weighted-Average Assumptions Used to Estimate Fair Value of Options

The fair value of the options at the date of grant was estimated using the following weighted-average assumptions for the years ended December 31, 2018, 2017, and 2016:

	2018			2017			2016
Expected life (years)		3.7			3.9			4.2
Dividend yield		0.0	%		0.0	%		4.8	%
Risk-free interest rate		2.4	%		1.9	%		1.2	%
Expected volatility		34.9	%		35.8	%		36.2	%

Summary of Stock Option Activity Under the 2010 Plan and Equity Plan

A summary of stock option activity under the 2010 Plan and Equity Plan is as follows:

	2010 Plan Options			Weighted- Average Exercise Price		Equity Plan Options			Weighted- Average Exercise Price
Outstanding at December 31, 2015		820,471		$	13.21		1,356,375		$	4.89
Granted		180,384		$	4.95		—		$	—
Exercised		—		$	—		(182,500	)	$	4.27
Canceled or forfeited		—		$	—		—		$	—
Expired		—		$	—		(2,950	)	$	5.79
Outstanding at December 31, 2016		1,000,855		$	11.72		1,170,925		$	4.98
Granted		48,500		$	5.38		—		$	—
Exercised		—		$	—		(232,750	)	$	4.09
Canceled or forfeited		(17,350	)	$	9.73		—		$	—
Expired		(144,950	)	$	9.73		(203,750	)	$	5.48
Outstanding at December 31, 2017		887,055		$	11.74		734,425		$	5.13
Granted		13,100		$	6.45		—		$	—
Exercised		(100,000	)	$	7.52		(286,875	)	$	4.67
Canceled or forfeited		—		$	—		—		$	—
Expired		—		$	—		—		$	—
Outstanding at December 31, 2018		800,155		$	12.18		447,550		$	5.42
Options Exercisable at December 31, 2018		639,130		$	13.85		447,550		$	5.42

Summary of Restricted Stock Activity Under the 2010 Plan, Equity Plan and the 1991 Restricted Stock Plan

A summary of restricted stock activity under the 2010 Plan, the Equity Plan and the 1991 Restricted Stock Plan is as follows:

	2010 Plan Restricted Stock			Weighted- Average Fair Value		Equity Plan Restricted Stock			Weighted- Average Fair Value		1991 Restricted Stock Plan			Weighted- Average Fair Value
Outstanding at Dec. 31, 2015		77,624		$	8.44		141,500		$	5.04		189,525		$	11.48
Granted		537,160		$	4.74		—		$	—		16,371		$	4.95
Released		(19,130	)	$	8.82		(80,000	)	$	4.97		(66,269	)	$	13.05
Canceled or forfeited		(188,736	)	$	4.97		—		$	—		(55,275	)	$	8.45
Outstanding at Dec. 31, 2016		406,918		$	5.14		61,500		$	5.13		84,352		$	10.96
Granted		292,342		$	5.66		—			—		57,900		$	5.75
Released		(101,960	)	$	5.39		(21,500	)	$	5.44		(32,823	)	$	14.41
Canceled or forfeited		(90,264	)	$	5.11		—			—		(18,975	)	$	9.10
Outstanding at Dec. 31, 2017		507,036		$	5.40		40,000		$	4.97		90,454		$	6.76
Granted		483,800		$	7.61		—			—		—		$	—
Released		(104,516	)	$	5.52		—			—		(31,937	)	$	8.41
Canceled or forfeited		(35,393	)	$	5.11		—			—		(2,400	)	$	5.75
Outstanding at Dec. 31, 2018		850,927		$	6.65		40,000		$	4.97		56,117		$	5.87

Summary of Stock Options Outstanding for the 2010 Plan and Equity Plan

A summary of stock options that were outstanding at December 31, 2018 for the 2010 Plan and the Equity Plan is as follows:

Range of Exercise Prices:	Number of Options Outstanding		Weighted Average Exercise Price		Weighted Average Remaining Contractual Life in Years		Aggregate Intrinsic Value
2010 Plan
$4.95 - $7.48		304,684	$	5.60		8.6	$	—
$12.16 - $13.75		242,375	$	13.37		7.9		—
$15.04 - $16.93		105,096	$	15.83		5.6		—
$20.68 - $21.41		148,000	$	21.17		8.7		—
		800,155	$	12.18		8.0	$	—
Equity Plan
$3.25 - $4.90		236,300	$	4.34		3.6	$	49,800
$5.25 - $7.18		211,250	$	6.63		5.2		—
		447,550	$	5.42		4.3	$	49,800

Summary of Stock Options that are Exercisable for the 2010 Plan and the Equity Plan

A summary of stock options that are exercisable at December 31, 2018 for the 2010 Plan and the Equity Plan is as follows:

Range of Exercise Prices:	Number of Options Exercisable		Weighted Average Exercise Price		Weighted Average Remaining Contractual Life in Years		Aggregate Intrinsic Value
2010 Plan
$4.95 - $7.48		143,659	$	5.68		8.5	$	—
$12.16 - $13.75		242,375	$	13.37		7.9		—
$15.04 - $16.93		105,096	$	15.83		5.6		—
$20.68 - $21.41		148,000	$	21.17		8.7		—
		639,130	$	13.85		7.8	$	—
Equity Plan
$3.25 - $4.90		236,300	$	4.34		3.6	$	49,800
$5.25 - $7.18		211,250	$	6.63		5.2		—
		447,550	$	5.42		4.3	$	49,800