v3.25.2
Revenue - Asset-based Revenue disaggregated by Product and Service (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Disaggregation of Revenue [Line Items]        
Asset Based Fees $ 702,347 $ 601,008 $ 1,397,588 $ 1,201,729
Client cash        
Disaggregation of Revenue [Line Items]        
Asset Based Fees 397,332 341,475 789,363 693,857
Sponsorship Programs [Member]        
Disaggregation of Revenue [Line Items]        
Asset Based Fees 171,715 141,687 342,253 275,788
Recordkeeping Revenues [Member]        
Disaggregation of Revenue [Line Items]        
Asset Based Fees $ 133,300 $ 117,846 $ 265,972 $ 232,084