v3.26.3
Segment Reporting - Assets by Reportable Business Segment (Details) - USD ($)
$ in Thousands
Aug. 31, 2026
Nov. 30, 2025
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]    
Total assets $ 81,301,858 $ 76,012,347
Investment Banking and Capital Markets    
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]    
Total assets 76,188,000 70,335,000
Asset Management    
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]    
Total assets $ 5,114,000 $ 5,677,000