XML 125 R114.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Revenues from Contracts with Customers - Summary of Revenues from Contracts with Customers and Other Sources of Revenues (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Revenues From Contracts With Customers [Line Items]    
Revenues from contracts with customers: $ 453,613 $ 410,821
Principal transactions 112,849 114,929
Interest and dividend income 9,764 5,315
Other revenues 2,388 1,802
Total revenues 578,614 532,867
Commissions    
Revenues From Contracts With Customers [Line Items]    
Revenues from contracts with customers: 415,172 377,288
Data, network and post-trade    
Revenues From Contracts With Customers [Line Items]    
Revenues from contracts with customers: 30,903 27,122
Fees from related parties    
Revenues From Contracts With Customers [Line Items]    
Revenues from contracts with customers: 4,421 3,957
Other revenues    
Revenues From Contracts With Customers [Line Items]    
Revenues from contracts with customers: 3,117 2,454
Total revenues $ 50,593 $ 40,650