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, 2022	May 31, 2021	May 31, 2022	May 31, 2021
Financial instruments owned:
Loans and other receivables	$ (1,478)	$ 15,520	$ (1,294)	$ 23,259
Long-term debt
Financial instruments sold, not yet purchased and Long-term debt
Changes in instrument specific credit risk	42,886	(32,247)	94,133	(122,898)
Other changes in fair value	161,381	6,846	255,932	86,113
Loans
Financial instruments sold, not yet purchased and Long-term debt
Changes in instrument specific credit risk	$ (882)	$ (363)	$ (4,889)	$ (363)