Stock Compensation Plans (Tables)

6 Months Ended

Jun. 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 six months ended June 30, 2022 and 2021:

($ in thousands)	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
Stock compensation costs	$	8,576	$	8,208	$	17,009	$	16,025
Related net tax benefits for stock compensation plans	$	109	$	37	$	5,268	$	1,657

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 six months ended June 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	409,065	52.97		91,874	77.91
Vested	(370,018)	53.11		(125,213)	54.64
Forfeited	(68,084)	61.50		—	—
Outstanding, June 30, 2022	1,332,432	$	52.76	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 six months ended June 30, 2022. During the six months ended June 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, June 30, 2022	—