v3.26.1
Revenues from Contracts with Customers - Components of Revenue (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
May 31, 2026
May 31, 2025
May 31, 2026
May 31, 2025
Disaggregation of Revenue [Line Items]        
Revenues from contracts with customers $ 1,674,810 $ 1,226,804 $ 3,130,460 $ 2,371,230
Revenues 3,118,197 2,494,315 5,989,462 4,967,179
Investment banking        
Disaggregation of Revenue [Line Items]        
Revenues from contracts with customers 1,204,995 785,455 2,219,950 1,511,116
Revenues 1,209,625 789,269 2,227,909 1,518,779
Commissions and other fees        
Disaggregation of Revenue [Line Items]        
Revenues from contracts with customers 390,858 344,184 751,931 632,149
Revenues 400,614 353,233 768,218 641,533
Asset management fees        
Disaggregation of Revenue [Line Items]        
Revenues from contracts with customers 3,593 7,495 10,492 53,303
Revenues 9,788 20,076 77,150 105,484
Real estate revenues        
Disaggregation of Revenue [Line Items]        
Revenues from contracts with customers 2,295 16,211 4,541 27,292
Internet connection and broadband revenues        
Disaggregation of Revenue [Line Items]        
Revenues from contracts with customers 54,102 56,668 106,514 114,471
Other contracts with customers        
Disaggregation of Revenue [Line Items]        
Revenues from contracts with customers 18,967 16,791 37,032 32,899
Revenues 155,542 115,205 272,940 232,450
Principal transactions        
Disaggregation of Revenue [Line Items]        
Revenues not from contracts with customers 488,666 338,507 976,164 745,737
Revenues 488,666 338,507 976,164 745,737
Revenues from strategic affiliates        
Disaggregation of Revenue [Line Items]        
Revenues not from contracts with customers 19,075 21,336 88,367 64,785
Interest        
Disaggregation of Revenue [Line Items]        
Revenues not from contracts with customers 853,962 878,025 1,667,081 1,723,196
Revenues 853,962 878,025 1,667,081 1,723,196
Other        
Disaggregation of Revenue [Line Items]        
Revenues not from contracts with customers $ 81,684 $ 29,643 $ 127,390 $ 62,231