Investments - Summary of Selected Financial Information for Berkadia (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2022	May 31, 2021	Nov. 30, 2021
Schedule of Equity Method Investments [Line Items]
Net earnings	$ 141,859	$ 318,453	$ 483,002	$ 812,318
Berkadia
Schedule of Equity Method Investments [Line Items]
Our total equity balance	427,900		427,900		$ 373,400
Distributions	22,000	200	22,200	500
Berkadia | Equity method investment, nonconsolidated investee or group of investees
Schedule of Equity Method Investments [Line Items]
Net earnings	$ 85,800	$ 68,100	$ 172,200	$ 134,800