Share-Based Compensation and Other Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2023

Share-Based Payment Arrangement [Abstract]

Schedule of Restricted Stock Unit Activity

The table below summarizes activity for the three months ended March 31, 2023 with respect to awarded RSUs:

	Time-Vested Restricted Stock Units	Weighted-Average Grant Date Fair Value
Balance at January 1, 2023	149,871	$	17.51
Granted	9,078	$	38.68
Vested	(43,015)	$	4.72
Forfeited	(1,176)	$	42.81
Balance at March 31, 2023	114,758	$	23.72

The table below summarizes activity for the three months ended March 31, 2023 with respect to awarded PRSUs:

	Performance Restricted Stock Units	Weighted-Average Grant Date Fair Value
Balance at January 1, 2023	440,100	$	29.87
Granted	—	$	—
Vested	—	$	—
Forfeited	(1,177)	$	58.87
Balance at March 31, 2023	438,923	$	29.87

Schedule of Valuation Assumptions

The table below presents ranges for the assumptions used in the Monte Carlo model for the PRSUs granted in the following periods:

	2022		2021 1		2020 1		2019
Expected volatility	134.98% to 138.75%		131.74% to 134.74%		101.32% to 117.71%		49.9	%
Dividend yield	0.0	%	0.0	%	0.0	%	0.0	%
Risk-free interest rate	2.59	%	0.22% to 0.29%		0.18% to 0.51%		1.66	%
Performance period	2022-2024		2021-2023		2020-2022		2020-2022

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1    One executive officer’s inducement award originally granted in August 2020 was amended in April 2021 to conform vesting conditions to other PRSU awards granted in 2021. The Monte Carlo assumptions for both years are included above.