Related Party Transactions - Jefferies Capital Partners Related Funds (Detail) - Equity Method Investee - Equity Investments in Jefferies Capital Partners Related Funds - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
May 31, 2019	May 31, 2018	May 31, 2019	May 31, 2018	Nov. 30, 2018
Related Party Transaction [Line Items]
Equity investments loans in related funds	$ 31,200		$ 31,200		$ 35,500
Other revenues and investment income (loss)	4,022	$ 2,981	(97)	$ 10,003
Service charges	$ 79	$ 67	$ 153	$ 120

Reflects the sum of all other revenue and income realized from sales and other transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party during the period.

No definition available.

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Balance Type:	credit
Period Type:	duration