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
	Feb. 28, 2022	Feb. 28, 2021
Fair Value, Option, Quantitative Disclosures [Line Items]
Loans and other receivables	$ (2,287)	$ 10,696
Loans	1,548	0
Changes in instrument specific credit risk	(22)	222
Long-term debt
Fair Value, Option, Quantitative Disclosures [Line Items]
Changes in instrument specific credit risk	51,248	(91,982)
Other changes in fair value	$ 94,551	$ 80,819