Investments - Summary of Selected Financial Information for Berkadia (Details) - USD ($) $ in Thousands	3 Months Ended
	Feb. 28, 2025	Feb. 29, 2024	Nov. 30, 2024
Schedule of Equity Method Investments [Line Items]
Total assets	$ 70,218,891		$ 64,360,309
Total liabilities	59,950,046		54,134,916
Total noncontrolling interest	64,211		68,215
Net earnings	136,849	$ 156,392
Berkadia
Schedule of Equity Method Investments [Line Items]
Our total investment balance	428,500		427,700
Distributions	16,100	3,800
Transaction referral fee revenue	100	0
Berkadia
Schedule of Equity Method Investments [Line Items]
Total assets	4,183,100		4,963,200
Total liabilities	2,840,600		3,515,600
Total noncontrolling interest	397,000		$ 502,100
Net earnings	$ 37,800	$ 29,300