v3.26.1
Revenues from Contracts with Customers - Revenues from Contracts with Customers and Other Sources of Revenues (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Revenues From Contracts With Customers [Line Items]    
Total revenues from contracts with customers $ 797,705 $ 534,572
Principal transactions 142,892 116,078
Interest and dividend income 10,579 11,629
Other revenues 4,305 1,961
Total revenues 955,481 664,240
Commissions    
Revenues From Contracts With Customers [Line Items]    
Total revenues from contracts with customers 752,935 494,711
Data, network and post-trade    
Revenues From Contracts With Customers [Line Items]    
Total revenues from contracts with customers 34,468 32,500
Fees from related parties    
Revenues From Contracts With Customers [Line Items]    
Total revenues from contracts with customers 4,296 4,422
Other revenues    
Revenues From Contracts With Customers [Line Items]    
Total revenues from contracts with customers $ 6,006 $ 2,939