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Investments - Summary of Selected Financial Information for Berkadia (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Aug. 31, 2026
Aug. 31, 2025
Aug. 31, 2026
Aug. 31, 2025
Nov. 30, 2025
Schedule of Equity Method Investments [Line Items]          
Total assets $ 81,301,858   $ 81,301,858   $ 76,012,347
Total liabilities 70,549,008   70,549,008   65,369,738
Total noncontrolling interest 38,090   38,090   67,507
Net earnings 288,253 $ 242,504 697,577 $ 470,748  
Berkadia          
Schedule of Equity Method Investments [Line Items]          
Our total investment balance 438,800   438,800   429,700
Distributions we received 25,400 42,300 52,000 69,300  
Berkadia          
Schedule of Equity Method Investments [Line Items]          
Total assets 4,690,000   4,690,000   5,269,800
Total liabilities 3,158,700   3,158,700   3,953,100
Total noncontrolling interest 565,300   565,300   $ 369,000
Net earnings $ 70,200 $ 70,900 $ 137,100 $ 152,900