Fair Value Disclosures - Summary of Gains (Losses) Due to Changes in Instrument Specific Credit Risk for Loans and Other Receivables and Loan Commitments Measured at Fair Value under Fair Value Option (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2023	May 31, 2022	May 31, 2023	May 31, 2022
Financial instruments owned:
Loans and other receivables	$ (23,439)	$ (1,478)	$ (6,651)	$ (1,294)
Long-term debt
Financial instruments sold, not yet purchased and Long-term debt
Changes in instrument specific credit risk	45,283	42,886	(26,377)	94,133
Other changes in fair value	(42,275)	161,381	(6,011)	255,932
Loans
Financial instruments sold, not yet purchased and Long-term debt
Changes in instrument specific credit risk	$ 0	$ (882)	$ 0	$ (4,889)