Debt Instrument, Decrease From Cash Deposit

No definition available.

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

- Definition

Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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/2003/role/disclosureRef
-Topic 805
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479907/805-20-50-5

+ Details

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Period Type:	duration

- Definition

Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479581/805-30-50-1

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

- Definition

Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479907/805-20-50-1

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

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)(1)
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-URI https://asc.fasb.org/1943274/2147479581/805-30-50-1

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-Paragraph 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-13

+ Details

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Period Type:	duration

- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Acquisition - Narrative (Details) - USD ($) $ in Thousands		1 Months Ended	8 Months Ended	9 Months Ended
Acquisition - Narrative (Details) - USD ($) $ in Thousands	Feb. 14, 2024	Feb. 13, 2024	Sep. 30, 2024	Sep. 30, 2024	Sep. 30, 2023
Business Acquisition [Line Items]
Cash consideration paid		$ 0	$ 204,154		$ 0
Senior Secured Term Loan \| Senior Notes
Business Acquisition [Line Items]
Senior secured term loan period				5 years
Cash deposit	$ 18,800
Sable-EM Purchase Agreement
Business Acquisition [Line Items]
Business combination, consideration transferred, liabilities incurred	$ 625,000
Senior secured term loan period	5 years
Cash consideration paid	$ 204,154
Other assets	4,621
Transaction cost	49,100
Sable-EM Purchase Agreement \| Additional Paid-In Capital
Business Acquisition [Line Items]
Transaction cost	22,900
Sable-EM Purchase Agreement \| Capitalized Debt Issuance Costs
Business Acquisition [Line Items]
Transaction cost	1,500
Sable-EM Purchase Agreement \| General and administrative expenses
Business Acquisition [Line Items]
Transaction cost	$ 24,700