Fair Value Disclosures - Summary of Gains (Losses) Due to Changes in Instrument Specific Credit Risk on Loans, Other Receivables and Debt Instruments Measured at Fair Value Under Fair Value Option (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 31, 2022	Aug. 31, 2021	Aug. 31, 2022	Aug. 31, 2021	Nov. 30, 2021
Fair Value, Option, Quantitative Disclosures [Line Items]
Loans and other receivables	$ (9,040)	$ (7,273)	$ 4,828	$ 17,600
Changes in instrument specific credit risk	(137)	(998)	(161)	1,861
Loans and other receivables on nonaccrual status and/or 90 days or greater past due	226,577		226,577		$ 64,203
Loans
Fair Value, Option, Quantitative Disclosures [Line Items]
Changes in instrument specific credit risk	(832)	(574)	(121)	945
Long-term debt
Fair Value, Option, Quantitative Disclosures [Line Items]
Changes in instrument specific credit risk	(5,824)	20,478	88,309	(103,751)
Other changes in fair value	$ 62,476	$ (26,093)	$ 318,408	$ 61,695