Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2023

Equity [Abstract]

Summary of Stock Option

The fair value of stock options is recorded as compensation expense on a straight-line basis over the vesting periods (which approximates the requisite service period) of the options and forfeitures are accounted for when they occur.

Information related to all stock options under the 2021 Plan, 2017 Plan and 2007 Plan, and the 2020 Inducement Awards for 2023, 2022 and 2021 is shown in the tables below:

(Shares in thousands)	Shares			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value ($000)
Outstanding at December 31, 2022		1,440		$	11.30	4.0 years
Forfeitures		(92	)		13.43
Exercised		(101	)		11.93
Outstanding and expected to vest at December 31, 2023		1,247			11.09	3.4 years	$	11,452
Exercisable at December 31, 2023		942			11.10	3.4 years	$	8,652

(Shares in thousands)	Shares			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value ($000)
Outstanding at December 31, 2021		1,514		$	11.19	4.9 years
Forfeitures		(32	)		10.55
Exercised		(42	)		8.15
Outstanding and expected to vest at December 31, 2022		1,440			11.30	4.0 years	$	1,766
Exercisable at December 31, 2022		833			11.47	3.6 years	$	923

(Shares in thousands)	Shares			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value ($000)
Outstanding at December 31, 2020		1,554		$	11.17	5.8 years
Forfeitures		(38	)		10.63
Exercised		(2	)		6.66
Outstanding and expected to vest at December 31, 2021		1,514			11.19	4.9 years	$	—
Exercisable at December 31, 2021		603			11.39	4.0 years	$	—

Summary of Restricted Stock Awards

Information related to restricted stock awards under the 2021 Plan, 2017 Plan, 2007 Plan, and the 2020 Inducement Awards for 2023, 2022 and 2021 is shown in the table below. The fair value of restricted stock awards is based on the price of the stock in the open market on the date of the grant, and the fair value of performance-based restricted stock units is determined by using the Monte Carlo

valuation model. The fair value of the restricted stock awards is recorded as compensation expense on a straight-line basis over the vesting periods of the awards and forfeitures are accounted for when they occur.

(Shares in thousands)	Shares			Weighted Average Grant Date Fair Value
Nonvested at December 31, 2020		1,047		$	6.00
Granted		573			8.19
Vested		(323	)		6.31
Forfeited		(264	)		5.80
Nonvested at December 31, 2021		1,033			7.17
Granted		755			5.74
Vested		(355	)		6.80
Forfeited		(255	)		6.41
Nonvested at December 31, 2022		1,178			6.53
Granted		734			16.12
Vested		(417	)		6.56
Forfeited		(174	)		7.19
Nonvested at December 31, 2023		1,321		$	11.77