Credit Losses on Financial Assets Measured at Amortized Cost - Rollforward of the Allowance for Credit Losses Related to Automobile Loans (Details) - Automobile Loan - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2023	May 31, 2022	May 31, 2023	May 31, 2022
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 78,055	$ 70,109	$ 79,614	$ 67,236
Provision for doubtful accounts	9,781	8,935	17,610	16,480
Charge-offs, net of recoveries	(9,214)	(3,384)	(18,602)	(8,056)
Ending balance	$ 78,622	$ 75,660	$ 78,622	$ 75,660