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Stock-Based Compensation (Tables)
 9 Months Ended
Sep. 30, 2022
Share-Based Payment Arrangement [Abstract]  
Summary of Stock Based Compensation Expense
Stock-based compensation expense is summarized as follows:
Three Months Ended September 30,Nine Months Ended September 30,
(in thousands)2022202120222021
Stock-based compensation expense$5,148 $5,989 $19,267 $21,833 
Summary of Restricted Stock Units Activity
RSU activity, inclusive of PSUs, for the nine months ended September 30, 2022 is summarized as follows: 
Number
of Shares		Weighted Average
Grant Date
Fair Value
Outstanding at December 31, 2021430,730 $138.01 
Granted183,277 $194.54 
Forfeited(37,069)$117.60 
Settled(196,518)$118.79 
Outstanding at September 30, 2022380,420 $177.16