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Summary of Significant Accounting Policies - Additional Information (Details)
 12 Months Ended
Dec. 31, 2021
PSUs or RSUs  
Disclosure of detailed information about intangible assets [line Items]  
Settlement period for share units 3 years
Bottom of range | Client Relationships  
Disclosure of detailed information about intangible assets [line Items]  
Estimated lives 10 years
Bottom of range | Contract backlog and finite trademarks  
Disclosure of detailed information about intangible assets [line Items]  
Estimated lives 1 year
Top of range | Client Relationships  
Disclosure of detailed information about intangible assets [line Items]  
Estimated lives 15 years
Top of range | Contract backlog and finite trademarks  
Disclosure of detailed information about intangible assets [line Items]  
Estimated lives 3 years