Related Party Transactions - Narrative (Details) - USD ($) $ in Thousands	Feb. 28, 2025	Nov. 30, 2024
Related Party Transaction [Line Items]
Other assets	$ 3,294,571	$ 3,072,302
Investments in and loans to related parties	1,383,293	1,385,658
Officers And Employees
Related Party Transaction [Line Items]
Other assets	23,600	29,400
Director
Related Party Transaction [Line Items]
Investments in and loans to related parties	$ 5,100	$ 5,000

Amount of assets classified as other.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant