Stock Compensation Plans (Tables)

9 Months Ended

Sep. 30, 2022

Share-Based Payment Arrangement [Abstract]

Summary of Stock Compensation Expense and Related Net Tax Benefit

The following table presents a summary of the total share-based compensation expense and the related net tax benefits associated with the Company’s various employee share-based compensation plans for the three and nine months ended September 30, 2022 and 2021:

($ in thousands)	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
Stock compensation costs	$	12,329	$	8,022	$	29,338	$	24,047
Related net tax benefits for stock compensation plans	$	1	$	42	$	5,269	$	1,699

Summary of Activity for Time-Based and Performance-Based Restricted Stock Units

The following table presents a summary of the activities for the Company’s time-based and performance-based RSUs that will be settled in shares for the nine months ended September 30, 2022. The number of performance-based RSUs stated below reflects the number of awards granted on the grant date.

	Time-Based RSUs			Performance-Based RSUs
	Shares	Weighted- Average Grant Date Fair Value		Shares	Weighted- Average Grant Date Fair Value
Outstanding, January 1, 2022	1,329,946	$	52.65	369,731	$	54.28
Modified from cash-settled RSUs	31,523	77.28		—	—
Granted	430,815	78.42		91,874	77.91
Vested	(371,032)	53.12		(125,213)	54.64
Forfeited	(106,562)	61.76		—	—
Outstanding, September 30, 2022	1,314,690	$	60.81	336,392	$	60.60

Summary of Time-Based RUS's That Will be Settled in Cash

The following table presents a summary of the activities for the Company’s time-based RSUs that are cash-settled for the nine months ended September 30, 2022. During the nine months ended September 30, 2022, the amount of cash paid to settle the RSUs that vested was $318 thousand.

	Shares
Outstanding, January 1, 2022	32,647
Modified to share-settled RSUs	(31,523)
Granted	2,668
Vested	(3,471)
Forfeited	(321)
Outstanding, September 30, 2022	—