XML 62 R56.htm IDEA: XBRL DOCUMENT
v3.24.3

Loans, Lease Receivables, and Allowance for Credit Losses - Schedule of Non-Accrual Loans and Leases (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Financing Receivable, Impaired |  |
Non-accrual loans and leases, Non-accrual With No Allowance for Credit Loss | $ 8,025 | $ 9,691
Non-accrual loans and leases, Non-accrual With Allowance for Credit Loss | 11,339 | 10,906
Non-accrual loans and leases, Loans Past Due Over 89 Days Still Accruing | $ 0 | $ 0
Total non-accrual loans and leases to gross loans and leases | 0.63% | 0.72%
Allowance for credit losses to gross loans and leases | 1.16% | 1.16%
Allowance for credit losses to non-accrual loans and leases | 183.38% | 160.21%
Commercial Real Estate |  |
Financing Receivable, Impaired |  |
Non-accrual loans and leases, Non-accrual With No Allowance for Credit Loss | $ 16 | $ 0
Non-accrual loans and leases, Non-accrual With Allowance for Credit Loss | 0 | 22
Non-accrual loans and leases, Loans Past Due Over 89 Days Still Accruing | 0 | 0
Commercial Real Estate | Owner Occupied |  |
Financing Receivable, Impaired |  |
Non-accrual loans and leases, Non-accrual With No Allowance for Credit Loss | 0 | 0
Non-accrual loans and leases, Non-accrual With Allowance for Credit Loss | 0 | 0
Non-accrual loans and leases, Loans Past Due Over 89 Days Still Accruing | 0 | 0
Commercial Real Estate | Non-owner Occupied |  |
Financing Receivable, Impaired |  |
Non-accrual loans and leases, Non-accrual With No Allowance for Credit Loss | 0 | 0
Non-accrual loans and leases, Non-accrual With Allowance for Credit Loss | 0 | 0
Non-accrual loans and leases, Loans Past Due Over 89 Days Still Accruing | 0 | 0
Commercial Real Estate | Construction |  |
Financing Receivable, Impaired |  |
Non-accrual loans and leases, Non-accrual With No Allowance for Credit Loss | 0 | 0
Non-accrual loans and leases, Non-accrual With Allowance for Credit Loss | 0 | 0
Non-accrual loans and leases, Loans Past Due Over 89 Days Still Accruing | 0 | 0
Commercial Real Estate | Multi-family |  |
Financing Receivable, Impaired |  |
Non-accrual loans and leases, Non-accrual With No Allowance for Credit Loss | 0 | 0
Non-accrual loans and leases, Non-accrual With Allowance for Credit Loss | 0 | 0
Non-accrual loans and leases, Loans Past Due Over 89 Days Still Accruing | 0 | 0
Commercial Real Estate | 1-4 Family |  |
Financing Receivable, Impaired |  |
Non-accrual loans and leases, Non-accrual With No Allowance for Credit Loss | 16 | 0
Non-accrual loans and leases, Non-accrual With Allowance for Credit Loss | 0 | 22
Non-accrual loans and leases, Loans Past Due Over 89 Days Still Accruing | 0 | 0
Commercial and Industrial |  |
Financing Receivable, Impaired |  |
Non-accrual loans and leases, Non-accrual With No Allowance for Credit Loss | 8,009 | 9,691
Non-accrual loans and leases, Non-accrual With Allowance for Credit Loss | 11,339 | 10,884
Non-accrual loans and leases, Loans Past Due Over 89 Days Still Accruing | 0 | 0
Consumer and Other |  |
Financing Receivable, Impaired |  |
Non-accrual loans and leases, Non-accrual With No Allowance for Credit Loss | 0 | 0
Non-accrual loans and leases, Non-accrual With Allowance for Credit Loss | 0 | 0
Non-accrual loans and leases, Loans Past Due Over 89 Days Still Accruing | $ 0 | $ 0

X
- Definition Ratio of allowance for loan and lease losses to gross loans and leases. + References No definition available. + Details
Name: | fbiz_RatioOfAllowanceForLoanAndLeaseLossesToGrossLoansAndLeases
Namespace Prefix: | fbiz_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Ratio of Allowance for Loan and Leases Losses to Non-accrual Loans and Leases + References No definition available. + Details
Name: | fbiz_RatioOfAllowanceForLoanAndLeasesLossesToNonAccrualLoansAndLeases
Namespace Prefix: | fbiz_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable 90 days or more past due and still accruing. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterest90DaysOrMorePastDueStillAccruing
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable on nonaccrual status. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrual
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrualNoAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableImpairedLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Reflects the percentage derived from dividing impaired loans on which interest has ceased to be accrued by total loans. + References No definition available. + Details
Name: | us-gaap_LoansAndLeasesReceivableRatioOfNonperformingLoansToAllLoans
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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

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

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

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

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

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