Equity Incentive Compensation Plans and Other Long-term Incentive Programs (Tables)

6 Months Ended

Jun. 30, 2020

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Non-Cash Stock-Based Compensation Cost Related to Equity Awards

The following table presents the long-term equity and cash incentive compensation related to awards for the periods indicated:

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
	(in thousands)
Nonvested common stock (1)	$	1,150	$	1,533	$	2,300	$	3,329
Nonvested common stock units (1)	202		318		482		612
Nonvested performance cash units (2)(3)	198		445		(776)		1,077
Total	$	1,550	$	2,296	$	2,006	$	5,018

(1)Unrecognized compensation expense as of June 30, 2020 was $5.1 million, which related to grants of nonvested shares of common stock that are expected to be recognized over a weighted-average period of 1.8 years.

(2)The nonvested performance-based cash units are accounted for as liability awards with $0.3 million and $1.2 million in other noncurrent liabilities as of June 30, 2020 and December 31, 2019, respectively, in the Unaudited Consolidated Balance Sheets.

(3)Liability awards are fair valued at each reporting date. The expense for the period will increase or decrease based on updated fair values of these awards at each reporting date.

Nonvested Equity Shares

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Nonvested Share Activity

A summary of the Company’s nonvested common stock awards for the three and six months ended June 30, 2020 and 2019 is presented below:

	Three Months Ended June 30, 2020			Three Months Ended June 30, 2019
Nonvested Common Stock Awards	Shares	Weighted Average Grant Date Fair Value		Shares	Weighted Average Grant Date Fair Value
Outstanding at April 1,	3,531,812	$	2.10	3,431,780	$	3.90
Granted	—	—		6,000	2.66
Vested	(112,677)	4.26		(30,031)	5.81
Forfeited or expired	(250,431)	1.52		(1,615)	7.14
Outstanding at June 30,	3,168,704	2.07		3,406,134	3.88
	Six Months Ended June 30, 2020			Six Months Ended June 30, 2019
Nonvested Common Stock Awards	Shares	Weighted Average Grant Date Fair Value		Shares	Weighted Average Grant Date Fair Value
Outstanding at January 1,	2,968,497	$	3.81	2,912,166	$	5.27
Granted	2,028,617	1.14		1,841,700	2.64
Vested	(1,568,491)	4.25		(1,329,630)	5.20
Forfeited or expired	(259,919)	1.59		(18,102)	4.96
Outstanding at June 30,	3,168,704	2.07		3,406,134	3.88

Nonvested Performance Cash Units

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Nonvested Performance-based Units Activity

A summary of the Company’s nonvested performance-based cash unit awards for the three and six months ended June 30, 2020 and 2019 is presented below:

	Three Months Ended June 30, 2020			Three Months Ended June 30, 2019
Nonvested Performance-Based Cash Unit Awards	Units	Weighted Average Fair Value		Units	Weighted Average Fair Value
Outstanding at April 1,	6,096,230			2,868,634
Forfeited or expired	(656,430)			—
Outstanding at June 30,	5,439,800	$	0.30	2,868,634	$	1.82
	Six Months Ended June 30, 2020			Six Months Ended June 30, 2019
Nonvested Performance-Based Cash Unit Awards	Units	Weighted Average Fair Value		Units	Weighted Average Fair Value
Outstanding at January 1,	2,576,062			909,585
Granted	3,569,434			2,026,521
Forfeited or expired	(705,696)			(67,472)
Outstanding at June 30,	5,439,800	$	0.30	2,868,634	$	1.82

Director

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Nonvested Share Activity

A summary of the Company’s nonvested common stock unit awards for the three and six months ended June 30, 2020 and 2019 is presented below:

	Three Months Ended June 30, 2020			Three Months Ended June 30, 2019
Nonvested Common Stock Unit Awards	Units	Weighted Average Grant Date Fair Value		Units	Weighted Average Grant Date Fair Value
Outstanding at April 1,	796,103	$	3.27	311,237	$	7.26
Granted	530,940	0.27		628,380	1.87
Vested	(638,355)	2.63		(143,514)	5.77
Forfeited or expired	(79,423)	0.25		—	—
Outstanding at June 30,	609,265	1.72		796,103	3.27
	Six Months Ended June 30, 2020			Six Months Ended June 30, 2019
Nonvested Common Stock Unit Awards	Units	Weighted Average Grant Date Fair Value		Units	Weighted Average Grant Date Fair Value
Outstanding at January 1,	796,103	$	3.27	311,237	$	7.26
Granted	530,940	0.27		643,084	1.88
Vested	(638,355)	2.63		(158,218)	5.44
Forfeited or expired	(79,423)	0.25		—	—
Outstanding at June 30,	609,265	1.72		796,103	3.27