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Restructuring Charges
12 Months Ended
Dec. 31, 2023
Restructuring and Related Activities [Abstract]  
Restructuring Charges Restructuring Charges
In the year ended, December 31, 2023, a restructuring charge of $45.4 million was recognized in the Consolidated Statements of Operations under a restructuring plan adopted following a review of operations. The restructuring plan reflected a workforce reduction of $34.1 million and an office consolidation program to optimize the Company's office footprint of $11.3 million.
 Year Ended
December 31, 2023December 31, 2022December 31, 2021
 (in thousands)
Restructuring charges$45,390 $31,143 $31,105 
Net charge$45,390 $31,143 $31,105 

At December 31, 2023, a total liability of $7.0 million was recorded on the Consolidated Balance Sheet relating to restructuring activities. The total liability included $3.0 million of facilities related liabilities of which $1.0 million is included within other liabilities and $2.0 million is included within non-current other liabilities. The remaining provision of $4.0 million relates to workforce reduction and is included within other liabilities.

Year Ended
December 31, 2023December 31, 2022
(in thousands)
Opening provision$6,022 $10,311 
Additional provision in the year36,704 4,364 
Utilization(35,727)(8,653)
Ending provision$6,999 $6,022