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v3.19.1

Note 18 - Tangible Assets - Investment Properties (Details) - ARS ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Jan. 01, 2017
Real Estate Member |  |  |  |
Investment Properties LineItems |  |  |  |
Cost of Investment Properties |  | $ 203,048,000 |  | $ 210,151,000
Additions Investment Properties | $ 0 | 3,958,000 |  |
Disposals of Investment Properties | 73,129,000 | 11,061,000 |  |
Depreciation Investment Property Abstract |  |  |  |
Depreciation of Investment Properties Accumulated | 7,827,000 | 10,788,000 | $ 7,778,000 |
Depreciation Disposals Investment Properties | 7,381,000 | 298,000 |  |
Depreciation for the Period Investment Properties | 4,420,000 | 3,308,000 |  |
Carrying Amount of Investment Properties | 122,092,000 | 192,260,000 |  |
Total Investment Property Member |  |  |  |
Investment Properties LineItems |  |  |  |
Cost of Investment Properties |  | 203,048,000 |  | $ 210,151,000
Additions Investment Properties | 0 | 3,958,000 |  |
Disposals of Investment Properties | 73,129,000 | 11,061,000 |  |
Depreciation Investment Property Abstract |  |  |  |
Depreciation of Investment Properties Accumulated | 7,827,000 | 10,788,000 | $ 7,778,000 |
Depreciation Disposals Investment Properties | 7,381,000 | 298,000 |  |
Depreciation for the Period Investment Properties | 4,420,000 | 3,308,000 |  |
Carrying Amount of Investment Properties | $ 122,092,000 | $ 192,260,000 |  |

X
- Definition The additions on investment properties. + References No definition available. + Details
Name: | bfr_Additionsinvestmentproperty
Namespace Prefix: | bfr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of property (land or a building - or part of a building - or both) held (by the owner or by the lessee under a finance lease) to earn rentals or for capital appreciation or both, rather than for: (a) use in the production or supply of goods or services or for administrative purposes; or (b) sale in the ordinary course of business. + References No definition available. + Details
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Namespace Prefix: | bfr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of cost of investment properties. + References No definition available. + Details
Name: | bfr_Costofinvestmentproperty
Namespace Prefix: | bfr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The depreciation of disposals of investment properties + References No definition available. + Details
Name: | bfr_Depreciationdisposalsinvestmentproperty
Namespace Prefix: | bfr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The depreciation for the period of investment properties. + References No definition available. + Details
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Namespace Prefix: | bfr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | bfr_Depreciationinvestmentpropertyabstract
Namespace Prefix: | bfr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of depreciation recognised on investment properties. + References No definition available. + Details
Name: | bfr_Depreciationinvestmentpropertyaccumulated
Namespace Prefix: | bfr_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The decrease in investment property resulting from disposals. [Refer: Investment property] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2018-01-01 -Paragraph 76 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=40&date=2018-03-01&anchor=para_76_c&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2018-01-01 -Paragraph 79 -Subparagraph d -Clause iii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=40&date=2018-03-01&anchor=para_79_d_iii&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_DisposalsInvestmentProperty
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |