Investments - Summary of Selected Financial information for Other Asset Management Companies (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2024	May 31, 2023	May 31, 2024	May 31, 2023
Schedule of Equity Method Investments [Line Items]
Revenues	$ 2,516,296	$ 1,651,182	$ 5,068,238	$ 3,431,746
Brokerage and clearing fees	110,536	96,592	220,206	177,066
Monashee's Separate Managed Accounts
Schedule of Equity Method Investments [Line Items]
Brokerage and clearing fees		200		400
Principal transactions
Schedule of Equity Method Investments [Line Items]
Revenues	$ 416,195	320,959	$ 1,056,931	818,205
Principal transactions | Monashee's Separate Managed Accounts
Schedule of Equity Method Investments [Line Items]
Revenues		$ (600)		$ (300)