v3.25.4

Loss Per Share and Equity (As Restated), Series C, Senior Non-Cumulative Perpetual Preferred Stock (Details) $ / shares in Units, $ in Thousands |  | 3 Months Ended | 24 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jun. 07, 2024 | Mar. 31, 2025 USD ($) qtr ResetDate $ / shares shares | Mar. 31, 2024 USD ($) | Jun. 07, 2024 USD ($) | Dec. 31, 2024 USD ($) $ / shares shares | Jun. 07, 2022 USD ($) $ / shares shares
Preferred Stock [Abstract] |  |  |  |  |  |
Preferred stock, initial dividend | $ |  | $ 750 | $ 0 |  |  |
Series C, Senior Non-Cumulative Perpetual Preferred Stock [Member] |  |  |  |  |  |
Preferred Stock [Abstract] |  |  |  |  |  |
Preferred stock, shares issued (in shares) | shares |  | 150,000 |  |  | 150,000 | 150,000
Preferred stock, liquidation value (in dollars per share) | $ / shares |  | $ 1,000 |  |  | $ 1,000 | $ 1,000
Capital investment | $ |  | $ 150,000 |  |  | $ 150,000 | $ 150,000
Preferred stock, initial dividend | $ |  | $ 750 |  | $ 0 |  |
Minimum period required for fixed dividend rate |  | 10 years |  |  |  |
Preferred stock repurchase period |  | 15 years |  |  |  |
Minimum period option to repurchase of preferred stock not exercisable |  | 10 years |  |  |  |
Minimum percentage of loan originations qualify as deep impact lending |  | 60.00% |  |  |  |
Number of consecutive quarters required for loan originations qualify as deep impact lending | qtr |  | 16 |  |  |  |
Minimum percentage of loan originations qualify as qualified lending |  | 85.00% |  |  |  |
Number of consecutive quarters required for loan originations qualify as qualified lending | qtr |  | 24 |  |  |  |
Maximum dividend rate percentage considered for repurchase of preferred stock |  | 0.50% |  |  |  |
Number of consecutive reset dates in option agreement | ResetDate |  | 6 |  |  |  |
Number of consecutive quarters required to meet threshold condition | qtr |  | 16 |  |  |  |
Series C, Senior Non-Cumulative Perpetual Preferred Stock [Member] | Minimum [Member] |  |  |  |  |  |
Preferred Stock [Abstract] |  |  |  |  |  |
Lending period considered for fixed dividend rate |  | 2 years |  |  |  |
Preferred stock redemption period |  | 5 years |  |  |  |
Series C, Senior Non-Cumulative Perpetual Preferred Stock [Member] | Maximum [Member] |  |  |  |  |  |
Preferred Stock [Abstract] |  |  |  |  |  |
Dividend rate | 2.00% | 2.00% |  |  |  |
Lending period considered for fixed dividend rate |  | 10 years |  |  |  |

X
- Definition The lending period considered for fixed dividend rate, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | byfc_LendingPeriodConsideredForFixedDividendRate
Namespace Prefix: | byfc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The maximum dividend rate percentage considered for repurchase of preferred stock. + References No definition available. + Details
Name: | byfc_MaximumDividendRatePercentageConsideredForRepurchaseOfPreferredStock
Namespace Prefix: | byfc_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The minimum percentage of loan originations qualify as deep impact lending. + References No definition available. + Details
Name: | byfc_MinimumPercentageOfLoanOriginationsQualifyAsDeepImpactLending
Namespace Prefix: | byfc_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The minimum percentage of loan originations qualify as qualified lending. + References No definition available. + Details
Name: | byfc_MinimumPercentageOfLoanOriginationsQualifyAsQualifiedLending
Namespace Prefix: | byfc_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The minimum period that the option to repurchase of preferred stock cannot be exercised, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | byfc_MinimumPeriodOptionToRepurchaseOfPreferredStockNotExercisable
Namespace Prefix: | byfc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The minimum period required for fixed dividend rate, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | byfc_MinimumPeriodRequiredForFixedDividendRate
Namespace Prefix: | byfc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of consecutive quarters required for loan originations qualify as deep impact lending. + References No definition available. + Details
Name: | byfc_NumberOfConsecutiveQuartersRequiredForLoanOriginationsQualifyAsDeepImpactLending
Namespace Prefix: | byfc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of consecutive quarters required for loan originations qualify as qualified lending. + References No definition available. + Details
Name: | byfc_NumberOfConsecutiveQuartersRequiredForLoanOriginationsQualifyAsQualifiedLending
Namespace Prefix: | byfc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of consecutive quarters required to meet the threshold condition following the original closing date. + References No definition available. + Details
Name: | byfc_NumberOfConsecutiveQuartersRequiredToMeetThresholdCondition
Namespace Prefix: | byfc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of consecutive reset dates in option agreement. + References No definition available. + Details
Name: | byfc_NumberOfConsecutiveResetDatesInOptionAgreement
Namespace Prefix: | byfc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The specific time frame during which the issuing company has the right, or is obligated, to redeem (repurchase) the preferred stock from shareholders at a predetermined price or under specified terms, as outlined in the stock's governing documents, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | byfc_PreferredStockRedemptionPeriod
Namespace Prefix: | byfc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The period for preferred stock repurchased, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | byfc_PreferredStockRepurchasePeriod
Namespace Prefix: | byfc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 2 -SubTopic 405 -Topic 942 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477787/942-405-45-2 + Details
Name: | us-gaap_DividendsPreferredStock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The percentage rate used to calculate dividend payments on preferred stock. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-12A(Column A)(Footnote 3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-12(Column A)(Footnote 4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-12B(Column A)(Footnote 3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-3 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14(Column A)(Footnote 3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-6 + Details
Name: | us-gaap_PreferredStockDividendRatePercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(d)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-3 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-4 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-13 + Details
Name: | us-gaap_PreferredStockLiquidationPreference
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

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

X
- Definition Number of shares issued for nonredeemable preferred shares and preferred shares redeemable solely at option of issuer. Includes, but is not limited to, preferred shares issued, repurchased, and held as treasury shares. Excludes preferred shares classified as debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-13 + Details
Name: | us-gaap_PreferredStockSharesIssued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 852 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481372/852-10-55-10 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(21)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
Name: | us-gaap_PreferredStockValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_SeriesCPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |