Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2023

Share-Based Payment Arrangement [Abstract]

Schedule of Stock-Based Compensation Expense

Stock-based compensation expense is summarized as follows: 

	Years Ended December 31,
(in thousands)	2023		2022		2021
Stock-based compensation expense	$	26,825	$	24,042	$	26,225

Schedule of Restricted Stock Units Activity

RSU activity, inclusive of PSUs, for the year ended December 31, 2023 is summarized as follows: 

	Number of shares	Weighted Average Grant Date Fair Value
Outstanding at December 31, 2022	377,087	$	178.21
Granted	210,420	$	160.74
Forfeited	(38,060)	$	150.13
Settled	(204,730)	$	121.26
Outstanding at December 31, 2023	344,717	$	204.48

Schedule of Grant-date Intrinsic Value of RSUs Granted

	Years Ended December 31,
(in millions, except per share values)	2023		2022		2021
Weighted-average grant-date fair value per share	$	160.74	$	194.46	$	268.65
Fair value of RSUs vested	$	24.8	$	23.8	$	22.8