Shared-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2019

Share-based Payment Arrangement [Abstract]

Components of Share-Based Compensation Expense by Type of Award

The following table lists the components of share-based compensation expense by type of award.

	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
Stock options	$	169	$	152	$	361	$	358
Restricted stock	502		397		961		856
Performance share units	435		529		657		1,120
Share-based compensation expense	$	1,106	$	1,078	$	1,979	$	2,334

Weighted Average Assumptions Relevant to Determining the Fair Value at the Dates of Grant and Stock Option Modification

The following table shows the weighted average assumptions relevant to determining the fair value of stock options granted in 2019.

	2019
Expected term	6 years
Risk free interest rate	2.47	%
Dividend yield	3.53	%
Expected volatility	49.53	%
Expected forfeiture rate	4.00	%

Reconciliation of Option Activity

The following table summarizes stock option activity for the six months ended June 30, 2019.

	Number of Options (in thousands)		Weighted- Average Exercise Price (per share)		Weighted- Average Remaining Contractual Term (years)	Aggregate Intrinsic Value
Outstanding at January 1, 2019	771		$	15.17
Granted	210		7.93
Exercised	—					$	—
Forfeited or expired	(5	)	24.41
Outstanding at June 30, 2019	976		$	13.56	6.1	$	—	(1)
Exercisable at June 30, 2019	701		$	14.26	4.8	$	—	(1)

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(1) The aggregate intrinsic value is the sum of intrinsic values for each exercisable individual option grant. The intrinsic value is the amount by which the closing market price of our stock at June 30, 2019, was greater than the exercise price of any individual option grant.

Reconciliation of Restricted Stock Option Activity

The following table summarizes the status of unvested restricted stock awards as of June 30, 2019, and changes during the six months then ended.

	Nonvested Restricted Shares (in thousands)		Weighted Average Grant-Date Fair Value (per share)
Nonvested at January 1, 2019	146		$	22.07
Granted	281		7.93
Vested	(70	)	20.92
Forfeited	(18	)	18.98
Nonvested at June 30, 2019	339		$	10.74

Schedule of Performance Based Awards Goals with Respect to TSR and ROIC

The following table presents the goals with respect to TSR Awards and ROIC Awards granted in 2019.

TSR Awards:	Threshold Performance (50% of Shares)		Target Performance (100% of Shares)		Maximum Performance (150% of Shares)
2019 grants	35th Percentile		50th Percentile		75th Percentile
ROIC Awards:	Threshold Performance (35% of Shares)		Target Performance (100% of Shares)		Maximum Performance (150% of Shares)
2019 grants (1)	4.7	%	5.8	%	7.0	%

(1) For the ROIC Awards granted in 2019, the denominator of the calculation is different than in prior years, and therefore the target percentages are not comparable to historical target percentages.

Schedule of Number of Awards Granted and Grant Date Fair Value of Each Award in Periods

The following table presents the number of awards granted and the grant date fair value of each award in the period presented.

	TSR Awards			ROIC Awards
Award Year	Shares (in thousands)	Grant Date Fair Value (per share)		Shares (in thousands)	Grant Date Fair Value (per share)
2019	136	$	9.28	174	$	7.93

Summary of Status of Unvested PSU Awards

The following table summarizes the status of unvested PSUs as of June 30, 2019, and changes during the six months then ended.

	Nonvested TSR Awards			Nonvested ROIC Awards
	Shares (in thousands)	Weighted Average Grant-Date Fair Value (per share)		Shares (in thousands)	Weighted  Average Grant-Date Fair Value (per share)
Nonvested at January 1, 2019	94	$	26.84	100	$	24.39
Granted	136	9.28		174	7.93
Forfeited	—	—		—	—
Nonvested at June 30, 2019	230	$	16.47	274	$	13.93