Investments - Summary of Selected Financial Information for Berkadia (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2021	Nov. 30, 2020	Nov. 30, 2019
Schedule of Equity Method Investments [Line Items]
Total assets	$ 54,768,900	$ 47,751,997
Total liabilities	47,690,292	41,385,865
Net earnings (loss)	1,624,724	874,706	$ 244,385
Berkadia
Schedule of Equity Method Investments [Line Items]
Total assets	4,630,700	4,294,000
Total liabilities	3,377,000	3,626,300
Total equity	1,253,700	667,700
Our total equity balance	373,400	301,200
Net earnings (loss)	290,300	153,100	195,900
Cash distribution from equity method investment	$ 58,000	$ 37,100	$ 65,000