XML 68 R45.htm IDEA: XBRL DOCUMENT
v3.19.3

Other Real Estate Owned (Details) - USD ($) | 3 Months Ended | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Jun. 30, 2019 | Dec. 31, 2018 | Jun. 30, 2018 | Dec. 31, 2017
Repossessed Assets |  |  |  |  |  | $ 0 |  |
Mortgage Loans in Process of Foreclosure, Amount | $ 617,000 |  | $ 617,000 |  |  | 349,000 |  |
Real Estate Owned, Valuation Allowance, Amounts Applied | 0 | $ (22,000) | (23,000) | $ (309,000) |  |  |  |
Real Estate Owned, Valuation Allowance, Valuation Increase | 17,000 | 1,000 | 38,000 | 27,000 |  |  |  |
Real Estate Owned, Valuation Allowance | (38,000) | (23,000) | (38,000) | (23,000) | $ (21,000) | (23,000) | $ (44,000) | $ (305,000)
Other real estate owned, net | 269,000 | 985,000 | 269,000 | 985,000 | $ 497,000 | 1,226,000 | $ 1,187,000 | $ 2,351,000
Other Real Estate, Additions | 30,000 | 403,000 | 76,000 | 1,241,000 |  |  |  |
Other Real Estate, Valuation Adjustments | (17,000) | (1,000) | (38,000) | (27,000) |  |  |  |
Other Real Estate, Disposals | (241,000) | $ (604,000) | (995,000) | $ (2,580,000) |  |  |  |
Other real estate owned at carrying value before valuation allowance | 307,000 |  | 307,000 |  |  | 1,249,000 |  |
Multi Family Mortgage Loans [Member] |  |  |  |  |  |  |  |
Real Estate Owned, Valuation Allowance | 0 |  | 0 |  |  | 0 |  |
Other Real Estate Owned At Carrying Value | 0 |  | 0 |  |  | 276,000 |  |
Other real estate owned at carrying value before valuation allowance | 0 |  | 0 |  |  | 276,000 |  |
One to Four Family Residential Real Estate Loans [Member] |  |  |  |  |  |  |  |
Real Estate Owned, Valuation Allowance | (38,000) |  | (38,000) |  |  | 0 |  |
Other Real Estate Owned At Carrying Value |  |  |  |  |  | 875,000 |  |
Other real estate owned, net | 269,000 |  | 269,000 |  |  |  |  |
Other real estate owned at carrying value before valuation allowance | 307,000 |  | 307,000 |  |  | 875,000 |  |
Nonresidential Real Estate [Member] |  |  |  |  |  |  |  |
Real Estate Owned, Valuation Allowance | 0 |  | 0 |  |  | 0 |  |
Other Real Estate Owned At Carrying Value | 0 |  | 0 |  |  | 74,000 |  |
Other real estate owned at carrying value before valuation allowance | 0 |  | 0 |  |  | 74,000 |  |
Land [Member] |  |  |  |  |  |  |  |
Real Estate Owned, Valuation Allowance | 0 |  | 0 |  |  | (23,000) |  |
Other Real Estate Owned At Carrying Value | 0 |  | 0 |  |  | 1,000 |  |
Other real estate owned at carrying value before valuation allowance | 0 |  | 0 |  |  | 24,000 |  |
Residential Real Estate [Member] |  |  |  |  |  |  |  |
Repossessed Assets | $ 0 |  | $ 0 |  |  | $ 0 |  |

X
- Definition -- None. No documentation exists for this element. -- + References No definition available. + Details
Name: | bfin_OtherRealEstateOwnedAtCarryingValue
Namespace Prefix: | bfin_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition other real estate owned at carrying value before valuation allowance + References No definition available. + Details
Name: | bfin_Otherrealestateownedatcarryingvaluebeforevaluationallowance
Namespace Prefix: | bfin_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Carrying amount as of the balance sheet date of all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings or defeasance; includes real and personal property; equity interests in corporations, partnerships, and joint ventures; and beneficial interests in trusts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5162-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4437-111522 + Details
Name: | us-gaap_ForeclosedAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL49126937-111524 + Details
Name: | us-gaap_MortgageLoansInProcessOfForeclosureAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Carrying amount of other real estate not separately disclosed, including, but not limited to, real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. This does not include real estate assets taken in settlement of troubled loans through surrender or foreclosure. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10(4)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_OtherRealEstate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Additions of other real estate not separately disclosed, including, but not limited to, real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. This excludes real estate assets taken in settlement of troubled loans through surrender or foreclosure. + References No definition available. + Details
Name: | us-gaap_OtherRealEstateAdditions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Disposals of other real estate not separately disclosed, including, but not limited to, real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. This excludes real estate assets taken in settlement of troubled loans through surrender or foreclosure. + References No definition available. + Details
Name: | us-gaap_OtherRealEstateDisposals
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Valuation adjustments made to other real estate not separately disclosed, including, but not limited to, real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. This excludes real estate assets taken in settlement of troubled loans through surrender or foreclosure. + References No definition available. + Details
Name: | us-gaap_OtherRealEstateValuationAdjustments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition For each period for which an income statement is required, disclosure of the changes in the allowance, including balances at end of period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10(4)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_RealEstateOwnedValuationAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of the valuation allowance for real estate owned that was applied in the period against the carrying amount of real estate owned that was sold, written down or written off. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10(4)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_RealEstateOwnedValuationAllowanceAmountsApplied
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of gain recognized in the income statement for an increase in valuation of real estate owned (REO). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10(4)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 35 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=29634951&loc=d3e1720-110224 + Details
Name: | us-gaap_RealEstateOwnedValuationAllowanceValuationIncrease
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

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

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

X
- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=us-gaap_LandMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=us-gaap_ResidentialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |