XML 71 R61.htm IDEA: XBRL DOCUMENT
v3.19.1

Loan and Lease Receivables, Impaired Loans and Leases and Allowance for Loan and Lease Losses (Narrative Disclosures) (Details) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2019 USD ($) loans | Mar. 31, 2018 USD ($) loans | Dec. 31, 2018 USD ($)
Financing Receivable, Recorded Investment |  |  |
SBA loans in the participation sold portfolio, considered impaired | $ 14,700,000 |  | $ 13,200,000
Guaranteed portion of SBA loans sold to third parties | 2,300,000 | $ 3,100,000 |
Total amount of outstanding SBA loans sold | 81,400,000 |  | 83,300,000
Loans and leases transferred to third parties total principal amount | 6,800,000 | 19,700,000 |
Gain (Loss) Recognized on Participation Interest in Originated Loans | 0 | $ 0 |
Total amount of outstanding loans transferred to third parties as loan participations | 130,900,000 |  | 129,700,000
Total amount of loan participations remaining on the Corporations balance sheet | 212,800,000 |  | 208,900,000
Loans in the participation sold portfolio, considered impaired | 0 |  | 0
Loan participations purchased on the Corporation's balance sheet | 550,000 |  | 569,000
Total gross loans and leases receivable | 1,657,646,000 |  | 1,619,057,000
Non-accrual troubled debt restructurings | 9,600,000 |  | 7,600,000
Unfunded commitments, troubled debt restructurings | $ 0 |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loans | 0 | 0 |
Loans and leases receivable, difference between recorded investment and unpaid principal balance | $ 7,000,000 |  | 7,100,000
Performing troubled debt restructurings | 169,000 |  | 180,000
Consumer and other: |  |  |
Financing Receivable, Recorded Investment |  |  |
Total gross loans and leases receivable | 31,744,000 |  | 29,227,000
Commercial and industrial |  |  |
Financing Receivable, Recorded Investment |  |  |
Total gross loans and leases receivable | $ 466,277,000 |  | $ 462,321,000

X
- Definition Financing Receivable, Modifications, Performing Troubled Debt Restructuring + References No definition available. + Details
Name: | fbiz_FinancingReceivableModificationsPerformingTroubledDebtRestructuring
Namespace Prefix: | fbiz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Gain (Loss) Recognized on Participation Interest in Originated Loans + References No definition available. + Details
Name: | fbiz_GainLossRecognizedonParticipationInterestinOriginatedLoans
Namespace Prefix: | fbiz_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Guaranteed Portion of SBA Loans Sold to Third Parties Total + References No definition available. + Details
Name: | fbiz_GuaranteedPortionofSBALoansSoldtoThirdPartiesTotal
Namespace Prefix: | fbiz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Loan participations purchased on the Corporation's balance sheet + References No definition available. + Details
Name: | fbiz_LoanParticipationsPurchasedOnCorporationsBalanceSheet
Namespace Prefix: | fbiz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Loans and Leases Receivable, Difference between Recorded Investment and Unpaid Principal Balance + References No definition available. + Details
Name: | fbiz_LoansAndLeasesReceivableDifferenceBetweenRecordedInvestmentAndUnpaidPrincipalBalance
Namespace Prefix: | fbiz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Loans And Leases Transferred To Third Parties Total Principal Amount + References No definition available. + Details
Name: | fbiz_LoansAndLeasesTransferredToThirdPartiesTotalPrincipalAmount
Namespace Prefix: | fbiz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Loans in the participation sold portfolio, considered impaired + References No definition available. + Details
Name: | fbiz_LoansInParticipationSoldPortfolioConsideredImpaired
Namespace Prefix: | fbiz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Non-accrual Troubled Debt Restructurings + References No definition available. + Details
Name: | fbiz_NonAccrualTroubledDebtRestructurings
Namespace Prefix: | fbiz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition SBA loans in the participation sold portfolio, considered impaired + References No definition available. + Details
Name: | fbiz_SBAloansintheparticipationsoldportfolioconsideredimpaired
Namespace Prefix: | fbiz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Total Amount Of Loan Participations Remaining On The Corporations Balance Sheet + References No definition available. + Details
Name: | fbiz_TotalAmountOfLoanParticipationsRemainingOnCorporationsBalanceSheet
Namespace Prefix: | fbiz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Total amount of outstanding loans transferred to third parties as loan participations + References No definition available. + Details
Name: | fbiz_TotalAmountOfOutstandingLoansTransferredToThirdPartiesAsLoanParticipations
Namespace Prefix: | fbiz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Total amount of outstanding SBA loans sold + References No definition available. + Details
Name: | fbiz_TotalamountofoutstandingSBAloanssold
Namespace Prefix: | fbiz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Unfunded commitments, troubled debt restructurings + References No definition available. + Details
Name: | fbiz_UnfundedCommitmentsTroubledDebtRestructurings
Namespace Prefix: | fbiz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953682-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix: | us-gaap_
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=fbiz_TotalConsumerAndOtherLoansReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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