XML 46 R36.htm IDEA: XBRL DOCUMENT
v3.24.2

Note 4 - Loans Receivable - Loans Individually Evaluated for Impairment By Class (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2024 | Dec. 31, 2023
Loan balance, with no allowance recorded | $ 21,715 | $ 21,715 | $ 24,020
Recorded investment, with no allowance recorded | 20,978 | 20,978 | 22,049
Partial charge-off, with no allowance recorded | 537 | 537 | 450
Average investment in impaired loans, with no allowance recorded | 20,768 | 20,953 | 16,618
Interest income recognized, with no allowance recorded | 2 | 19 | 39
Loan balance, with no allowance recorded | 21,715 | 21,715 | 24,020
Recorded investment, with no allowance recorded | 20,978 | 20,978 | 22,049
Average investment in impaired loans, with no allowance recorded | 20,768 | 20,953 | 16,618
Interest income recognized, with no allowance recorded | 2 | 19 | 39
Commercial Portfolio Segment [Member] |  |  |
Loan balance, with no allowance recorded | 21,293 | 21,293 |
Recorded investment, with no allowance recorded | 20,541 | 20,541 |
Partial charge-off, with no allowance recorded | 537 | 537 |
Average investment in impaired loans, with no allowance recorded | 20,583 | 20,830 |
Interest income recognized, with no allowance recorded | 1 | 15 |
Loan balance, with no allowance recorded | 21,293 | 21,293 |
Recorded investment, with no allowance recorded | 20,541 | 20,541 |
Average investment in impaired loans, with no allowance recorded | 20,583 | 20,830 |
Interest income recognized, with no allowance recorded | 1 | 15 |
One-to-Four Family Residential Real Estate [Member] | Real Estate Portfolio [Member] |  |  |
Loan balance, with no allowance recorded | 56 | 56 | 66
Recorded investment, with no allowance recorded | 57 | 57 | 67
Partial charge-off, with no allowance recorded | 0 | 0 | 0
Average investment in impaired loans, with no allowance recorded | 58 | 60 | 76
Interest income recognized, with no allowance recorded | 1 | 1 | 4
Loan balance, with no allowance recorded | 56 | 56 | 66
Recorded investment, with no allowance recorded | 57 | 57 | 67
Average investment in impaired loans, with no allowance recorded | 58 | 60 | 76
Interest income recognized, with no allowance recorded | 1 | 1 | 4
Nonresidential Real Estate [Member] | Real Estate Portfolio [Member] |  |  |
Loan balance, with no allowance recorded | 366 | 366 |
Recorded investment, with no allowance recorded | 380 | 380 |
Partial charge-off, with no allowance recorded | 0 | 0 |
Average investment in impaired loans, with no allowance recorded | 127 | 63 |
Interest income recognized, with no allowance recorded | 0 | 3 |
Loan balance, with no allowance recorded | 366 | 366 |
Recorded investment, with no allowance recorded | 380 | 380 |
Average investment in impaired loans, with no allowance recorded | 127 | 63 |
Interest income recognized, with no allowance recorded | $ 0 | $ 3 |
Commercial Loans [Member] | Real Estate Portfolio [Member] |  |  |
Loan balance, with no allowance recorded |  |  | 23,954
Loan balance, with no allowance recorded |  |  | 23,954
Commercial leases [Member] | Real Estate Portfolio [Member] |  |  |
Recorded investment, with no allowance recorded |  |  | 21,982
Partial charge-off, with no allowance recorded |  |  | 450
Average investment in impaired loans, with no allowance recorded |  |  | 16,542
Interest income recognized, with no allowance recorded |  |  | 35
Recorded investment, with no allowance recorded |  |  | 21,982
Average investment in impaired loans, with no allowance recorded |  |  | 16,542
Interest income recognized, with no allowance recorded |  |  | $ 35

X
- Definition Amount of average investment of impaired financing receivables for which there is no related allowance for credit losses. + References No definition available. + Details
Name: | bfin_ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment1
Namespace Prefix: | bfin_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of interest income, recognized on cash basis, on financing receivables, for which there is no related allowance for credit losses and are recognized as impaired. + References No definition available. + Details
Name: | bfin_ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod1
Namespace Prefix: | bfin_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of partial charge offs for impaired financing receivables for which there is no related allowance for credit losses + References No definition available. + Details
Name: | bfin_ImpairedFinancingReceivableWithNoRelatedAllowancePartialChargeOff
Namespace Prefix: | bfin_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in impaired financing receivables for which there is no related allowance for credit losses. + References No definition available. + Details
Name: | bfin_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment1
Namespace Prefix: | bfin_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of unpaid principal balance of impaired financing receivables for which there is no related allowance for credit losses. + References No definition available. + Details
Name: | bfin_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance1
Namespace Prefix: | bfin_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=bfin_OnetoFourFamilyResidentialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=bfin_RealEstatePortfolioMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=bfin_NonresidentialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=bfin_CommercialLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=bfin_CommercialLeasesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |