Name:	byfc_AdditionalChargeOffsOnLoansTransferredToHeldForSale
Namespace Prefix:	byfc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the term for loans classified as held for sale beyond which can not be marketed for sale.

No definition available.

Name:	byfc_LoansHeldForSaleTermBeyondWhichCanNotBeMarketedForSale
Namespace Prefix:	byfc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the cumulative amount of charge-offs related to loans transferred to real estate owned during the period.

No definition available.

Name:	byfc_LoansHeldForSaleTransferredToRealEstateOwnedChargeoffs
Namespace Prefix:	byfc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the number of loans transferred to real estate owned.

No definition available.

Name:	byfc_NumberOfLoansTransferredToRealEstateOwned
Namespace Prefix:	byfc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Value of loans and leases held in the entity's portfolio transferred to loans and leases held-for-sale in noncash transactions, before additional charge-offs made at the time of transfer.

No definition available.

Name:	byfc_TransferOfPortfolioLoansAndLeasesToHeldForSaleBeforeChargeOffs
Namespace Prefix:	byfc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Value transferred from loans receivable held for sale to real estate owned (REO) in noncash transactions.

No definition available.

Name:	byfc_TransferToOtherRealEstateFromLoansHeldForSale
Namespace Prefix:	byfc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_AccountsNotesAndLoansReceivableLineItems
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The gains (losses) included in earnings that represent the difference between the sale price and the carrying value of loans and leases that were sold during the reporting period. This element refers to the gain (loss) and not to the cash proceeds of the sales. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

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-Subparagraph (b)

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Name:	us-gaap_GainLossOnSaleOfLoansAndLeases
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Amount of loans held for sale, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans classified as debt securities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

-Topic 942

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-Paragraph 1

-Subparagraph (SX 210.9-03.7(a))

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Name:	us-gaap_LoansReceivableHeldForSaleNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The carrying amount of mortgage loans on real estate that were sold during the reporting period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 10

-Section S99

-Paragraph 6

-Subparagraph (SX 210.5-04.(c) Schedule IV)

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-Number 210

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-Subparagraph Schedule IV

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-Topic 948

-SubTopic 310

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-Subparagraph (SX 210.12-29.6)

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Name:	us-gaap_MortgageLoansOnRealEstateCostOfMortgagesSold
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Value of loans held-for-sale transferred to loans held in the entity's portfolio in noncash transactions.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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