Significant Accounting Policies - Schedule of Property Plant and Equipment (Details)	12 Months Ended
Dec. 31, 2025
Miners [Member]
Schedule of Property Plant and Equipment [Line Items]
Depreciation method	Straight-line
Depreciation period	3 years
Mining-related equipment [Member]
Schedule of Property Plant and Equipment [Line Items]
Depreciation method	Straight-line
Depreciation period	5 years
Leasehold improvements [Member]
Schedule of Property Plant and Equipment [Line Items]
Depreciation method	Straight-line
Depreciation period	Shorter of the lease term and the expected life of the improvement
Machinery and equipment [Member]
Schedule of Property Plant and Equipment [Line Items]
Depreciation method	Straight-line
Machinery and equipment [Member] \| Minimum [Member]
Schedule of Property Plant and Equipment [Line Items]
Depreciation period	5 years
Machinery and equipment [Member] \| Maximum [Member]
Schedule of Property Plant and Equipment [Line Items]
Depreciation period	30 years
Buildings [Member]
Schedule of Property Plant and Equipment [Line Items]
Depreciation method	Declining balance
Depreciation period	4.00%
Power Plants [Member]
Schedule of Property Plant and Equipment [Line Items]
Depreciation method	Declining balance
Depreciation period	4.00%
Vehicles [Member]
Schedule of Property Plant and Equipment [Line Items]
Depreciation method	Declining balance
Depreciation period	30.00%

The property plant and equipment depreciation method.

No definition available.

Name:	bitf_PropertyPlantAndEquipmentDepreciationMethod
Namespace Prefix:	bitf_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- 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 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 7A
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A

+ Details

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

- Definition

Stated as a percentage, the estimated or actual value of the asset at the end of its useful life or when it is no longer serviceable (cannot be used for its original purpose) divided by its [historical] capitalized cost.

+ References

No definition available.

+ Details

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

- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Indicates description of term of useful life for property, plant, and equipment when not stated as numeric value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 35
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482190/360-10-35-3

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	enum2:enumerationSetItemType
Balance Type:	na
Period Type:	instant

- Details

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Namespace Prefix:
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Balance Type:
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- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=bitf_MiningRelatedEquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LeaseholdImprovementsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_VehiclesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: