Share-based Compensation (Tables)

3 Months Ended

Mar. 31, 2023

Share-Based Payment Arrangement, Noncash Expense [Abstract]

Summary of Stock Option Awards Outstanding

A summary of activity and weighted-average exercise prices related to the stock options were as follows:

	Shares Under Option (thousands)			Weighted-Average Exercise Price
Outstanding at December 31, 2022		524		$	18.19
Exercised		(61	)		18.93
Outstanding at March 31, 2023		463		$	18.09
Vested and expected to vest at March 31, 2023		463		$	18.09
Vested and exercisable at March 31, 2023		463		$	18.09

Summary of Nonvested Restricted Stock Unit Awards

RSUs outstanding as of March 31, 2023 and December 31, 2022, and changes during the three months ended March 31, 2023, were as follows:

	Shares (thousands)			Weighted-Average Grant Date Fair Value
Nonvested at December 31, 2022		989		$	23.91
Granted		296			41.85
Vested		(455	)		18.71
Forfeited		(3	)		29.62
Nonvested at March 31, 2023		827		$	33.16

Summary of Nonvested Performance Share Units

PSUs outstanding as of March 31, 2023 and December 31, 2022, and changes during the three months ended March 31, 2023, were as follows:

	Shares (thousands)			Weighted-Average Grant Date Fair Value
Nonvested at December 31, 2022		903		$	22.31
Granted		412			30.13
Vested		(443	)		8.97
Forfeited		(25	)		8.98
Nonvested at March 31, 2023		847		$	33.47

Schedule of Performance Period of Shares Award

PSU awards consist of four performance periods, including three annual performance periods and one three-year cumulative performance period.

Year Granted	Performance/ Service Period	Estimated or Actual Attainment	PSUs Outstanding as of March 31, 2023 (Thousands)		Estimated PSU Attainment or Actual PSUs Earned (Thousands)
2023	2023	146% (a)		66		96
2023	2024	(b)		66		—
2023	2025	(b)		66		—
2023	2023-2025	100% (c)		67		67
				265		163
2022	2022	140% (d)		68		95
2022	2023	43% (a)		68		29
2022	2024	(b)		69		—
2022	2022-2024	100% (c)		69		69
				274		193
2021	2021	200% (d)		77		154
2021	2022	87% (d)		77		67
2021	2023	72% (a)		77		56
2021	2021-2023	172% (a)		77		133
				308		410

(a)Amounts represent estimated attainment and estimated PSUs.

(b)As the performance period has not yet commenced, expense is not being recognized.

(c)Expense for the cumulative performance/service period is recognized at 100% of the estimated attainment until the end of the second service year.

(d)Amounts represent actual attainment and actual PSUs earned as the performance period is complete.