Fair Value Disclosures - Summary of Amount by Which Contractual Principal Exceeds Fair Value for Loans and Other Receivables Measured at Fair Value under Fair Value Option (Details) - USD ($) $ in Thousands	Nov. 30, 2024	Nov. 30, 2023
Financial instruments owned:
Loans and other receivables	$ 1,603,512	$ 2,344,468
Loans and other receivables on nonaccrual status and/or 90 days or greater past due	132,838	259,354
Long-term debt	131,107	294,356
Other secured financings	459	1,377
Loans and other receivables 90 days or greater past due	$ 48,800	$ 187,400