Investments - Summary of Selected Financial Information for Berkadia (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
Schedule of Equity Method Investments [Line Items]
Net earnings	$ 65,721	$ 419,154	$ 548,723	$ 1,231,472
Berkadia
Schedule of Equity Method Investments [Line Items]
Our total equity balance	419,900		419,900		$ 373,400
Distributions	37,000	100	59,200	600
Berkadia
Schedule of Equity Method Investments [Line Items]
Net earnings	$ 66,200	$ 57,700	$ 238,400	$ 192,500