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 (Detail) - USD ($) $ in Thousands	May 31, 2019	Nov. 30, 2018
Financial instruments owned:
Loans and other receivables	$ 878,221	$ 961,554
Loans and other receivables on nonaccrual status and/or 90 days or greater past due	141,474	158,392
Long-term debt	95,079	114,669
Loans and other receivables 90 days or greater past due	$ 18,700	$ 20,500