v3.26.1
Investments - JCP Fund V - Narrative (Details) - USD ($)
$ in Thousands
May 31, 2026
Nov. 30, 2025
Schedule of Equity Method Investments [Line Items]    
Financial instruments owned $ 28,038,115 $ 27,722,739
Jefferies Capital Partners V L.P.    
Schedule of Equity Method Investments [Line Items]    
Ownership percentage 11.00%  
SBI USA Fund L.P.    
Schedule of Equity Method Investments [Line Items]    
Ownership percentage 50.00%  
JCP Fund V    
Schedule of Equity Method Investments [Line Items]    
Ownership percentage 35.20%  
Financial instruments owned $ 3,100 2,800
Equity investments 85,000 85,000
Unfunded portion of equity commitment to subsidiary $ 8,700 $ 8,700