Organization and Basis of Presentation (Details) $ in Thousands |
6 Months Ended | |||
|---|---|---|---|---|
|
May 31, 2022
USD ($)
segment
|
May 31, 2021
USD ($)
|
Dec. 01, 2021
USD ($)
|
Nov. 30, 2021
USD ($)
|
|
| Accounting Policies [Abstract] | ||||
| Number of reportable segments | segment | 2 | |||
| Subsidiary or Equity Method Investee [Line Items] | ||||
| Total assets | $ 53,156,330 | $ 54,768,900 | ||
| Total liabilities | 45,298,487 | 47,690,292 | ||
| Total equity | 7,857,843 | $ 6,687,348 | $ 7,078,608 | |
| Contributions from Jefferies Financial Group Inc. | $ 60,332 | $ 153,557 | ||
| Jefferies Financial Group Inc. | Foursight Capital | ||||
| Subsidiary or Equity Method Investee [Line Items] | ||||
| Total assets | $ 1,270,000 | |||
| Total liabilities | 800,400 | |||
| Total equity | $ 476,500 | |||