Equity-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2017

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 2017, 2016, and 2015 are as follows:

	2017		2016		2015
(amounts in thousands)
Equity-based compensation expense	$	1,059	$	1,626	$	1,317
Tax benefit		312		516		413
Net equity-based compensation expense	$	747	$	1,110	$	904

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, 2017, 2016, and 2015:

	2017			2016			2015
Expected life (years)		3.9			4.2			4.4
Dividend yield		0.0	%		4.8	%		3.2	%
Risk-free interest rate		1.9	%		1.2	%		1.4	%
Expected volatility		35.8	%		36.2	%		44.2	%

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, 2014		631,846		$	15.89		1,868,597		$	4.82
Granted		282,500		$	7.51		—		$	—
Exercised		—		$	—		(473,472	)	$	4.66
Canceled or forfeited		(13,500	)	$	17.87		—		$	—
Expired		(80,375	)	$	13.49		(38,750	)	$	4.13
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
Options Exercisable at December 31, 2017		552,254		$	14.87		734,425		$	5.13

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, 2014		11,700		$	16.93		141,500		$	5.04		173,233		$	16.70
Granted		68,848		$	7.36		—		$	—		116,000		$	7.50
Released		(2,924	)	$	16.93		—		$	—		(74,008	)	$	15.59
Canceled or forfeited		—		$	—		—		$	—		(25,700	)	$	16.92
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

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

A summary of stock options that were outstanding at December 31, 2017 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 - $7.52		391,584	$	6.06		8.3	$	29,890
$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		—
		887,055	$	11.74		7.9	$	29,890
Equity Plan
$3.25 - $4.90		458,425	$	4.31		3.0	$	360,384
$5.25 - $7.18		276,000	$	6.48		5.2		—
		734,425	$	5.13		3.8	$	360,384

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, 2017 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 - $7.52		71,346	$	5.88		8.3	$	6,764
$12.16 - $13.75		242,375	$	13.37		7.9		—
$15.04 - $16.93		90,533	$	15.65		5.5		—
$20.68 - $21.41		148,000	$	21.17		8.7		—
		552,254	$	14.87		7.8	$	6,764
Equity Plan
$3.25 - $4.90		458,425	$	4.31		3.0	$	360,384
$5.25 - $7.18		276,000	$	6.48		5.2		—
		734,425	$	5.13		3.8	$	360,384