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Stock-based Compensation (Tables)

12 Months Ended

Dec. 31, 2020

Share-based Payment Arrangement [Abstract]

Summary of Restricted Stock Activity

A summary of restricted stock activity is presented below:

			Number of Restricted Shares						Weighted Average Grant Price
Outstanding at January 1, 2020			1,092,309						$6.11
Granted			514,258						$5.38
Vested			(484,647)						$6.11
Forfeitures			(83,914)						$5.43
Outstanding at December 31, 2020			1,038,006						$5.80

			Predecessor									Successor
			For the Period from January 1, 2018  through August 13, 2018									For the Period from August 14, 2018 through December 31, 2018						Year Ended December 31, 2019						Year Ended December 31, 2020
			(In thousands, except per share data)
Fair value of vested restricted stock			$	2,676								$	3,541					$	925					$	2,852
Per share weighted average fair value			$	8.51								$	8.70					$	5.40					$	5.38
Compensation expense recognized for restricted stock grants			$	2,262								$	451					$	2,121					$	3,247
Unrecognized compensation expense related to unvested shares																								$	4,564
Expected recognition period																								1.8 years

Summary of Significant Assumptions Used to Value PSUs

Significant assumptions used to value PSUs included:

			Predecessor									Successor
			For the Period from January 1, 2018  through August 13, 2018									For the Period from August 14, 2018 through December 31, 2018						Year Ended December 31, 2019						Year Ended December 31, 2020
Risk free interest rate			2.3		%							2.7		%				1.5		%				0.3		%
Range of implied volatility:
Minimum			42		%							30		%				32		%				39		%
Maximum			146		%							88		%				84		%				198		%

Summary of PSU Activity

A summary of PSU activity is presented below:

			Number of PSUs						Weighted Average Grant Price
Outstanding at January 1, 2020			931,890						$9.56
Granted			232,088						$8.37
Forfeitures			(27,490)						$8.91
Outstanding at December 31, 2020			1,136,488						$9.33

			Predecessor									Successor
			For the Period from January 1, 2018  through August 13, 2018									For the Period from August 14, 2018 through December 31, 2018						Year Ended December 31, 2019						Year Ended December 31, 2020
			(In thousands, except per unit data)
Number of PSUs granted			361									336						619						232
Grant date fair value			$	4,517								$	4,339					$	4,857					$	1,943
Grant date fair value per unit			$	12.52								$	12.93					$	7.85					$	8.37
Compensation expense recognized for PSUs			$	1,651								$	543					$	1,899					$	3,217
Unrecognized compensation expense related to unvested shares																								$	4,945
Expected recognition period																								1.7 years

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Tabular disclosure of the changes in outstanding nonvested performance-based units.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Section 50
-Paragraph 2
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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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