XML 35 R56.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Loan and Lease Receivables, Impaired Loans and Leases and Allowance for Loan and Lease Losses (Narrative Disclosures) (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2015 loans | Mar. 31, 2014 | Dec. 31, 2014
Financing Receivable, Recorded Investment |  |  |
Loans and leases transferred to third parties total principal amount | $ 15,800,000 fbiz_LoansAndLeasesTransferredToThirdPartiesTotalPrincipalAmount | $ 6,200,000 fbiz_LoansAndLeasesTransferredToThirdPartiesTotalPrincipalAmount |
Gain (Loss) Recognized on Participation Interest in Originated Loans | 0 fbiz_GainLossRecognizedonParticipationInterestinOriginatedLoans |  |
Loan participations purchased on the Corporation's balance sheet | 479,000 fbiz_LoanParticipationsPurchasedOnCorporationsBalanceSheet |  | 482,000 fbiz_LoanParticipationsPurchasedOnCorporationsBalanceSheet
Total amount of outstanding loans transferred to third parties as loan participations | 121,600,000 fbiz_TotalAmountOfOutstandingLoansTransferredToThirdPartiesAsLoanParticipations |  | 116,600,000 fbiz_TotalAmountOfOutstandingLoansTransferredToThirdPartiesAsLoanParticipations
Total amount of loan participations remaining on the Corporations balance sheet | 102,900,000 fbiz_TotalAmountOfLoanParticipationsRemainingOnCorporationsBalanceSheet |  | 96,400,000 fbiz_TotalAmountOfLoanParticipationsRemainingOnCorporationsBalanceSheet
Loans in the participation sold portfolio, considered impaired | 1,100,000 fbiz_LoansInParticipationSoldPortfolioConsideredImpaired |  |
Residential Real Estate Loans Sold, Principal Amount | 9,100,000 fbiz_ResidentialRealEstateLoansSoldPrincipalAmount |  | 0 fbiz_ResidentialRealEstateLoansSoldPrincipalAmount
Total gross loans and leases receivable | 1,298,067,000 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount | 986,221,000 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount | 1,281,792,000 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Non-accrual troubled debt restructurings | 7,300,000 fbiz_NonAccrualTroubledDebtRestructurings |  | 7,400,000 fbiz_NonAccrualTroubledDebtRestructurings
Unfunded commitments, troubled debt restructurings | 0 fbiz_UnfundedCommitmentsTroubledDebtRestructurings |  |
Troubled debt restructurings, subsequent default, number of loans | 0 us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1 |  |
Loans and leases receivable, difference between recorded investment and unpaid principal balance | 4,700,000 fbiz_LoansAndLeasesReceivableDifferenceBetweenRecordedInvestmentAndUnpaidPrincipalBalance |  | 4,400,000 fbiz_LoansAndLeasesReceivableDifferenceBetweenRecordedInvestmentAndUnpaidPrincipalBalance
Performing troubled debt restructurings | 1,972,000 fbiz_FinancingReceivableModificationsPerformingTroubledDebtRestructuring |  | 2,003,000 fbiz_FinancingReceivableModificationsPerformingTroubledDebtRestructuring
Substandard |  |  |
Financing Receivable, Recorded Investment |  |  |
Total gross loans and leases receivable | 24,200,000 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_InternalCreditAssessmentAxis = us-gaap_SubstandardMember |  | 27,100,000 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_InternalCreditAssessmentAxis = us-gaap_SubstandardMember
Special Mention |  |  |
Financing Receivable, Recorded Investment |  |  |
Total gross loans and leases receivable | 0 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_InternalCreditAssessmentAxis = us-gaap_SpecialMentionMember |  | 0 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_InternalCreditAssessmentAxis = us-gaap_SpecialMentionMember
Doubtful |  |  |
Financing Receivable, Recorded Investment |  |  |
Total gross loans and leases receivable | 0 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_InternalCreditAssessmentAxis = us-gaap_DoubtfulMember |  | 0 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_InternalCreditAssessmentAxis = us-gaap_DoubtfulMember
Loss |  |  |
Financing Receivable, Recorded Investment |  |  |
Total gross loans and leases receivable | $ 0 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_InternalCreditAssessmentAxis = us-gaap_UnlikelyToBeCollectedFinancingReceivableMember |  | $ 0 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_InternalCreditAssessmentAxis = us-gaap_UnlikelyToBeCollectedFinancingReceivableMember

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 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 Residential Real Estate Loans Sold, Principal Amount + References No definition available. + Details
Name: | fbiz_ResidentialRealEstateLoansSoldPrincipalAmount
Namespace Prefix: | fbiz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953682-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=28367877&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_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_UnlikelyToBeCollectedFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |