XML 77 R66.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Loans Receivable - Credit Quality Indicators (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Financing Receivable Credit Quality Indicators |  |
Total loans | $ 1,331,194 | $ 1,321,751
One-to-four family residential real estate loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 70,371 | 97,814
One to Four Family Residential Real Estate Loans-Owner occupied [Member] [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 57,169 | 76,606
One-to-four family residential real estate loans - non-owner occupied loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 13,202 | 21,208
Multi-family mortgage loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 619,870 | 588,383
Multi Family Mortgage Loans excluding wholesale [Member] [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 279,237 | 291,358
Wholesale commercial lending [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 340,633 | 297,025
Nonresidential real estate loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 152,442 | 169,971
Construction loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 1,099
Land loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 172 | 259
Commercial loans - Secured [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 39,574 | 40,901
Commercial loans - Unsecured [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 85,343 | 71,728
Commercial Loans - Municipal loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 62,489 | 39,923
Commercial Leases - Investment Rated [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 166,209 | 207,460
Commercial Leases - Below Investment Grade [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 133,185 | 102,616
Consumer loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 1,539 | 1,597
Nonaccrual [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 1,517 | 2,391
Nonaccrual [Member] | One-to-four family residential real estate loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 993 | 1,914
Nonaccrual [Member] | One-to-four family residential real estate loans - non-owner occupied loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 254 | 109
Nonaccrual [Member] | Multi-family mortgage loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 368
Nonaccrual [Member] | Wholesale commercial lending [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Nonaccrual [Member] | Nonresidential real estate loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 270 | 0
Nonaccrual [Member] | Construction loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Nonaccrual [Member] | Land loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Nonaccrual [Member] | Commercial loans - Secured [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Nonaccrual [Member] | Commercial loans - Unsecured [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Nonaccrual [Member] | Commercial Loans - Municipal loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Nonaccrual [Member] | Commercial Leases - Investment Rated [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Nonaccrual [Member] | Commercial Leases - Below Investment Grade [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Nonaccrual [Member] | Consumer loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Special Mention [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 6,290 | 4,528
Special Mention [Member] | One-to-four family residential real estate loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 495 | 0
Special Mention [Member] | One-to-four family residential real estate loans - non-owner occupied loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Special Mention [Member] | Multi-family mortgage loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Special Mention [Member] | Wholesale commercial lending [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Special Mention [Member] | Nonresidential real estate loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 281 | 0
Special Mention [Member] | Construction loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Special Mention [Member] | Land loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Special Mention [Member] | Commercial loans - Secured [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 4,810 | 4,528
Special Mention [Member] | Commercial loans - Unsecured [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Special Mention [Member] | Commercial Loans - Municipal loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Special Mention [Member] | Commercial Leases - Investment Rated [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 701 | 0
Special Mention [Member] | Commercial Leases - Below Investment Grade [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Special Mention [Member] | Consumer loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 3 | 0
Substandard [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 1,028 | 2,922
Substandard [Member] | One-to-four family residential real estate loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 328 | 255
Substandard [Member] | One-to-four family residential real estate loans - non-owner occupied loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 37 | 40
Substandard [Member] | Multi-family mortgage loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 216 | 225
Substandard [Member] | Wholesale commercial lending [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Substandard [Member] | Nonresidential real estate loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 98 | 154
Substandard [Member] | Construction loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Substandard [Member] | Land loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Substandard [Member] | Commercial loans - Secured [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Substandard [Member] | Commercial loans - Unsecured [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 342 | 2,248
Substandard [Member] | Commercial Loans - Municipal loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Substandard [Member] | Commercial Leases - Investment Rated [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Substandard [Member] | Commercial Leases - Below Investment Grade [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Substandard [Member] | Consumer loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 7 | 0
Pass [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 1,322,359 | 1,311,910
Pass [Member] | One-to-four family residential real estate loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 55,353 | 74,437
Pass [Member] | One-to-four family residential real estate loans - non-owner occupied loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 12,911 | 21,059
Pass [Member] | Multi-family mortgage loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 279,021 | 290,765
Pass [Member] | Wholesale commercial lending [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 340,633 | 297,025
Pass [Member] | Nonresidential real estate loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 151,793 | 169,817
Pass [Member] | Construction loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 1,099
Pass [Member] | Land loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 172 | 259
Pass [Member] | Commercial loans - Secured [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 34,764 | 36,373
Pass [Member] | Commercial loans - Unsecured [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 85,001 | 69,480
Pass [Member] | Commercial Loans - Municipal loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 62,489 | 39,923
Pass [Member] | Commercial Leases - Investment Rated [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 165,508 | 207,460
Pass [Member] | Commercial Leases - Below Investment Grade [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 133,185 | 102,616
Pass [Member] | Consumer loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | $ 1,529 | $ 1,597

X
- Definition Financing receivable credit quality indicators. + References No definition available. + Details
Name: | bfin_FinancingReceivableCreditQualityIndicatorsAbstract
Namespace Prefix: | bfin_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522 + Details
Name: | us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_DoubtfulMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SpecialMentionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SubstandardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_PassMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |