v3.25.2
Revenue from Contracts with Customers - Additional Information (Detail) - Agreement
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Disaggregation of Revenue [Line Items]        
Percentage of billing expense revenues     2.00%  
Sales Revenue Net [Member] | Revenue from Rights Concentration Risk [Member] | Minimum [Member]        
Disaggregation of Revenue [Line Items]        
Percentage of total accounts receivable 10.00% 10.00% 10.00% 10.00%
Sales Revenue Net [Member] | Revenue from Rights Concentration Risk [Member] | CGI [Member]        
Disaggregation of Revenue [Line Items]        
Percentage of total accounts receivable 12.40% 14.90% 12.10% 16.10%
Number of customers   2   2
Sales Revenue Net [Member] | Revenue from Rights Concentration Risk [Member] | Allegis [Member]        
Disaggregation of Revenue [Line Items]        
Percentage of total accounts receivable   10.70%   10.10%
Sales Revenue Net [Member] | Revenue from Rights Concentration Risk [Member] | Fidelity [Member]        
Disaggregation of Revenue [Line Items]        
Percentage of total accounts receivable 15.00%   14.00%  
Sales Revenue Net [Member] | Revenue from Rights Concentration Risk [Member] | Populus [Member]        
Disaggregation of Revenue [Line Items]        
Percentage of total accounts receivable 11.00%   11.50%  
Sales Revenue Net [Member] | Revenue from Rights Concentration Risk [Member] | Fidelity, CGI and Populus [Member]        
Disaggregation of Revenue [Line Items]        
Number of customers 3   3  
Top Ten Customers [Member]        
Disaggregation of Revenue [Line Items]        
Revenue percentage of total revenue 58.00% 53.00% 58.00% 52.00%
Data and Analytics Services [Member]        
Disaggregation of Revenue [Line Items]        
Percent of revenue from services     100.00%