XML 60 R50.htm IDEA: XBRL DOCUMENT v3.23.3

Note 13 - Segment Information (Details Textual) $ in Thousands	9 Months Ended
	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)
Number of Reportable Segments	2
Chemicals [Member]
Number of Reportable Segments	2
Biofuels [Member]
Number of RINs in Inventory	4,200,000	8,100,000
RIN, Fair Market Value	$ 6,971	$ 12,752
RIN, Cost	$ 0	$ 0

X

- Definition

The number of RINs in inventory.

+ References

No definition available.

+ Details

Name:	ff_NumberOfRINsInInventory
Namespace Prefix:	ff_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount of cost of RINs.

+ References

No definition available.

+ Details

Name:	ff_RINCost
Namespace Prefix:	ff_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of fair market value of RINs.

+ References

No definition available.

+ Details

Name:	ff_RINFairMarketValue
Namespace Prefix:	ff_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-18

+ Details

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=ff_ChemicalsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=ff_BiofuelsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: