Commitments, Contingencies and Guarantees - Narrative (Details)
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May 31, 2022
USD ($)
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| Loss Contingencies [Line Items] |
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| Fair value of derivative contracts meeting the definition of a guarantee |
$ 600,700,000
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| Standby letters of credit |
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| Loss Contingencies [Line Items] |
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| Letters of credit |
$ 8,200,000
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| Expiration period maximum |
1 year
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| Jefferies Finance |
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| Loss Contingencies [Line Items] |
|
| Line of credit commitment to associated companies, funded portion |
$ 0
|
| Line of credit facility commitment of Jefferies |
$ 250,000,000
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| Berkadia |
|
| Loss Contingencies [Line Items] |
|
| Reimbursement of losses incurred, maximum percentage |
50.00%
|
| Surety policy issued |
$ 1,500,000,000
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| Aggregate amount of commercial paper outstanding |
1,470,000,000
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| HomeFed |
|
| Loss Contingencies [Line Items] |
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| Aggregate amount of infrastructure improvement bonds outstanding |
75,200,000
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| Jefferies Capital Partners LLC and its private equity funds |
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| Loss Contingencies [Line Items] |
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| Equity commitments |
10,700,000
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| Other Investments |
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| Loss Contingencies [Line Items] |
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| Equity commitments |
48,900,000
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| Oak Hill Entities |
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| Loss Contingencies [Line Items] |
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| Equity commitments |
70,800,000
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| Clients |
|
| Loss Contingencies [Line Items] |
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| Outstanding loan commitments |
91,600,000
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| Strategic Affiliates |
|
| Loss Contingencies [Line Items] |
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| Equity commitments |
$ 350,000,000
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