The maximum total net debt to EBITDA allowed under the covenant of the debt instrument.

No definition available.

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Namespace Prefix:	egy_
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- Definition

Debt Instrument, Debt Covenant Percentage

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Service Cover Ratio

+ References

No definition available.

+ Details

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

- Definition

Line Of Credit Facility, Commitment Fee Percentage, Total Commitments Exceeds Borrowing Base

+ References

No definition available.

+ Details

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Namespace Prefix:	egy_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Line of Credit Facility, Commitment Reduction Amount

+ References

No definition available.

+ Details

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Namespace Prefix:	egy_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Line Of Credit Facility, Increase In Commitment, Maximum Borrowing Capacity

+ References

No definition available.

+ Details

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Namespace Prefix:	egy_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Percent Of Aggregate Remaining Reserves For Borrowing Base Assets To Initial Approved Reserves

+ References

No definition available.

+ Details

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Namespace Prefix:	egy_
Data Type:	dtr-types:percentItemType
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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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The average effective interest rate during the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(a)(1))
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-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482925/835-30-45-2

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Balance Type:	na
Period Type:	duration

- Definition

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

+ References

+ Details

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Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

+ Details

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Balance Type:	credit
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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
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+ 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
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(b))
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 10
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Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 944
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+ Details

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

- Definition

The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 805
-SubTopic 50
-Name Accounting Standards Codification
-Section 25
-Paragraph 1
-Publisher FASB
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-Topic 805
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-Paragraph 13
-Subparagraph (c)
-SubTopic 10
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-13

+ Details

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

- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
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-SubTopic 10
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-URI https://asc.fasb.org/1943274/2147482740/230-10-45-14

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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Balance Type:
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- Details

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DEBT (Details)		1 Months Ended		9 Months Ended
DEBT (Details)	Mar. 04, 2025 USD ($)	Apr. 30, 2025 USD ($)	Mar. 31, 2025 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Jan. 23, 2026 USD ($)	Oct. 17, 2025 USD ($)	Jun. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)
Line of Credit Facility [Line Items]
Proceeds from lines of credit				$ 60,000,000	$ 0
Outstanding debt				$ 60,000,000					$ 0
Payments to acquire productive assets			$ 3,000,000
2025 RBL Facility
Line of Credit Facility [Line Items]
Debt covenant percentage				35.00%
Revolving Credit Facility \| 2025 RBL Facility
Line of Credit Facility [Line Items]
Proceeds from lines of credit		$ 60,000,000
Interest rate, stated percentage		10.80%
Basis spread on variable rate, percent		6.50%
Maximum principal amount	$ 190,000,000	$ 184,000,000		$ 190,000,000				$ 186,600,000
Debt covenants outstanding borrowings	$ 182,000,000
Commitment reduction amount		$ 19,000,000
Commitment by a maximum amount				300,000,000
Remaining borrowing capacity				$ 126,600,000
Aggregate remaining reserves	25.00%
Commitment fee percentage				35.00%
Commitment fee percentage, total commitments exceeds borrowing base				20.00%
Debt instrument, interest rate	2.00%
Revolving Credit Facility \| 2025 RBL Facility \| Subsequent Event
Line of Credit Facility [Line Items]
Maximum principal amount						$ 240,000,000	$ 190,000,000
Revolving Credit Facility \| 2025 RBL Facility \| Debt Instrument, Redemption, Period One
Line of Credit Facility [Line Items]
Interest rate, stated percentage	6.50%
Revolving Credit Facility \| 2025 RBL Facility \| Debt Instrument, Redemption, Period Two
Line of Credit Facility [Line Items]
Interest rate, stated percentage	6.00%
Revolving Credit Facility \| RBL Facility
Line of Credit Facility [Line Items]
Maximum total net debt to EBITDA				3.0
Debt service cover ratio				1.2
Revolving Credit Facility \| 2025 Facility Agreement
Line of Credit Facility [Line Items]
Commitment reduction amount				$ 19,000,000
Revolving Credit Facility \| 2025 Facility Agreement \| Debt Instrument, Redemption, Period One \| Subsequent Event
Line of Credit Facility [Line Items]
Commitment reduction amount							10,000,000
Revolving Credit Facility \| 2025 Facility Agreement \| Debt Instrument, Redemption, Period Two \| Subsequent Event
Line of Credit Facility [Line Items]
Commitment reduction amount							$ 22,500,000