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Stock-Based Awards (Tables)

12 Months Ended

Dec. 31, 2021

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Unrecognized Stock-Based Compensation Expense and Average Remaining Vesting Period

A summary of unrecognized stock-based compensation expense and average remaining vesting period is as follows:

		December 31, 2021
		Unrecognized Stock- Based Compensation				Weighted-Average Remaining Vesting Period (Years)
Employees and directors		$	8,825				1.23

Summary of Option Activity

A summary of option activity is as follows:

		Options				Weighted-Average Exercise Price
Outstanding January 1, 2019			570,537			$	4.36
Granted			—				—
Forfeitures/expirations			(1	)			6.50
Exercised			(85,000	)			0.70
Outstanding at December 31, 2019			485,536			$	4.80
Granted			—				—
Forfeitures/expirations			(63,536	)			2.49
Exercised			(117,000	)			4.81
Outstanding at December 31, 2020			305,000			$	5.68
Granted			—				—
Forfeitures/expirations			(162,500	)			5.72
Exercised			(142,500	)			5.64
Outstanding at December 31, 2021			—			$	—

Summary of Restricted Stock Activity

A summary of activity is as follows:

		RSAs								RSUs								PRSUs(1)
		Shares				Weighted Average Grant Date Fair Value				Shares				Weighted Average Grant Date Fair Value				Shares				Weighted Average Grant Date Fair Value
Unvested Balance at January 1, 2019			1,957,102			$	11.47				9,494			$	11.52				—			$	—
Granted			2,794,703				6.16				35,283				6.45				270,872	(2)			6.24
Vested			(1,053,980	)			11.25				(5,499	)			9.85				—				—
Forfeited			(453,267	)			9.09				—				—				(38,262	)			6.24
Unvested Balance at December 31, 2019			3,244,558			$	7.29				39,278				7.20				232,610			$	6.24
Granted			1,653,186				3.80				32,901				3.82				117,013	(2)			3.11
Vested			(1,206,879	)			8.13				(27,130	)			7.45				—				—
Forfeited			(110,122	)			4.79				(5,641	)			5.39				(8,311	)			6.24
Unvested Balance at December 31, 2020			3,580,743			$	5.38				39,408			$	4.46				341,312			$	5.17
Granted			1,642,266				5.46				31,170				5.43				257,043	(2)			6.49
Vested			(1,897,699	)			5.78				(15,136	)			4.73				—				—
Forfeited			(288,405	)			5.11				(452	)			5.37				(47,669	)			5.74
Unvested Balance at December 31, 2021			3,036,905			$	5.20				54,990			$	4.93				550,686			$	5.73

(1) Represents the target number of PRSUs granted and outstanding. The number of PRSUs that ultimately vest ranges from 0% to 200% of this amount.

(2) A Monte Carlo simulation was used to value these awards using the following assumptions for the Company and the peer group: (i) beginning 90-day average stock prices; (ii) valuation date stock prices; (iii) correlation coefficients based upon the price data used to calculate the historical volatilities; and (iv) the following additional assumptions:

Summary of Share Based Payment Awards Other Than OptionsValuation Assumptions

		Granted in 2021				Granted in 2020				Granted in 2019
Historical stock price volatility (low)			34	%			21	%			22	%
Historical stock price volatility (high)			57	%			36	%			42	%
Historical stock price volatility (average)			44	%			26	%			28	%
Risk free interest rate			0.17	%			1.47	%			2.56	%
Expected dividend yield			0.00	%			0.0	%			0.0	%

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Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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