Assets Pledged For Indebtedness

No definition available.

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- Definition

Debt Instrument, Issued During Period, Principal Amount, Net Of Retirements

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Line Of Credit Facility, Collateral, Percentage Of Proved Reserve Value of Oil and Gas Properties

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Long-Term Debt, Issued, Principal Amount

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Number of Warehouse Credit Commitments

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Period Type:	instant

- Details

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Balance Type:
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- Details

Name:	us-gaap_DebtInstrumentAxis=us-gaap_RevolvingCreditFacilityMember
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Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_DebtInstrumentAxis=us-gaap_BankLoanObligationsMember
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- Details

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Period Type:

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Long-Term Debt (Narrative) (Details)	6 Months Ended
Long-Term Debt (Narrative) (Details)	May 31, 2020 USD ($) Contract	Jun. 09, 2020 USD ($)	Nov. 30, 2019 USD ($)
Structured notes \| Jefferies Group
Debt Instrument [Line Items]
Debt issued during period, principal amount, net of retirements	$ 191,300,000
Jefferies Group Revolving Credit Facility \| Jefferies Group
Debt Instrument [Line Items]
Debt principal amount	190,000,000.0
Bank loan obligations \| Jefferies Group
Debt Instrument [Line Items]
Debt principal amount	$ 50,000,000.0
Foursight Capital Credit Facilities
Debt Instrument [Line Items]
Number of warehouse credit commitments \| Contract	2
Maximum borrowing capacity	$ 150,000,000.0
Vitesse Energy Finance Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity	170,000,000.0
Long-term debt	$ 106,000,000.0		$ 104,000,000.0
Percentage of proved reserve value of oil and gas properties (minimum)	85.00%
Vitesse Energy Finance Revolving Credit Facility \| Subsequent Event
Debt Instrument [Line Items]
Maximum borrowing capacity		$ 120,000,000.0
LIBOR \| Bank loan obligations \| Jefferies Group
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)	1.25%
Medium-term Notes \| 2.375% Euro Medium Term Notes, due May 20, 2020 \| Jefferies Group
Debt Instrument [Line Items]
Interest rate	2.375%
Senior Notes \| 5.125% Senior Notes, due January 20, 2023 \| Jefferies Group
Debt Instrument [Line Items]
Interest rate	5.125%
Additional principal amount issued	$ 150,000,000.0
Line of Credit \| Foursight Capital Credit Facilities
Debt Instrument [Line Items]
Long-term debt	57,000,000.0		$ 98,700,000
Line of Credit \| Foursight Capital Credit Facilities \| Foursight Capital
Debt Instrument [Line Items]
Assets pledged for indebtedness	$ 67,900,000