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	Feb. 29, 2024	Nov. 30, 2023
Financial instruments owned:
Loans and other receivables	$ 1,975,612	$ 2,344,468
Loans and other receivables on nonaccrual status and/or 90 days or greater past due	253,784	259,354
Long-term debt	248,547	294,256
Other secured financings	459	1,377
Loans and other receivables 90 days or greater past due	$ 146,800	$ 187,400