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Special Charges (Tables)
 12 Months Ended
Dec. 31, 2021
Restructuring and Related Activities [Abstract]  
Schedule of Special Charges by Segment
The following table details the special charges by segment:
Year Ended
December 31, 2020
Corporate Finance$861 
FLC3,484 
Economic Consulting35 
Technology276 
Strategic Communications2,074 
Segment special charge6,730 
Unallocated Corporate373 
Total special charges$7,103