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Related Party Transactions - Narrative (Details) - USD ($) $ in Thousands		12 Months Ended
	Jan. 13, 2023	Nov. 30, 2024	Nov. 30, 2023	Nov. 30, 2022
Related Party Transaction [Line Items]
Other assets		$ 3,072,302	$ 2,650,640
Investments in and loans to related parties		1,385,658	1,239,345
Revenues		10,515,069	7,441,399	$ 7,149,263
Officers And Employees
Related Party Transaction [Line Items]
Other assets		29,400	31,800
Director
Related Party Transaction [Line Items]
Investments in and loans to related parties		$ 5,000	3,000
Subsidiaries | Vitesse Energy
Related Party Transaction [Line Items]
Sale of subsidiary	$ 30,600
Related Party | Vitesse Energy
Related Party Transaction [Line Items]
Revenues			$ 3,000

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