XML 64 R53.htm IDEA: XBRL DOCUMENT v3.5.0.2

Loan and Lease Receivables, Impaired Loans and Leases and Allowance for Loan and Lease Losses (Troubled Debt Restructurings) (Details) $ in Thousands	Sep. 30, 2016 USD ($) loans	Dec. 31, 2015 USD ($) loans
Troubled debt restructurings
Number of Loans | loans	36	42
Pre-Modification Recorded Investment	$ 19,861	$ 20,721
Post-Modification Recorded Investment	$ 13,890	$ 17,890
Commercial real estate — owner occupied
Troubled debt restructurings
Number of Loans | loans	4	3
Pre-Modification Recorded Investment	$ 1,338	$ 1,209
Post-Modification Recorded Investment	$ 1,262	$ 1,188
Commercial real estate — non-owner occupied
Troubled debt restructurings
Number of Loans | loans	4	5
Pre-Modification Recorded Investment	$ 445	$ 1,150
Post-Modification Recorded Investment	$ 250	$ 904
Land development
Troubled debt restructurings
Number of Loans | loans	2	2
Pre-Modification Recorded Investment	$ 5,834	$ 5,853
Post-Modification Recorded Investment	$ 3,675	$ 4,393
Construction
Troubled debt restructurings
Number of Loans | loans	2	1
Pre-Modification Recorded Investment	$ 331	$ 181
Post-Modification Recorded Investment	$ 312	$ 200
Multi-family
Troubled debt restructurings
Number of Loans | loans	0	1
Pre-Modification Recorded Investment	$ 0	$ 184
Post-Modification Recorded Investment	$ 0	$ 2
1-4 family
Troubled debt restructurings
Number of Loans | loans	13	15
Pre-Modification Recorded Investment	$ 1,747	$ 2,035
Post-Modification Recorded Investment	$ 1,581	$ 1,869
Commercial and industrial
Troubled debt restructurings
Number of Loans | loans	8	10
Pre-Modification Recorded Investment	$ 7,782	$ 7,572
Post-Modification Recorded Investment	$ 6,224	$ 8,330
Home equity and second mortgages
Troubled debt restructurings
Number of Loans | loans	2	4
Pre-Modification Recorded Investment	$ 308	$ 461
Post-Modification Recorded Investment	$ 195	$ 349
Other
Troubled debt restructurings
Number of Loans | loans	1	1
Pre-Modification Recorded Investment	$ 2,076	$ 2,076
Post-Modification Recorded Investment	$ 391	$ 655

X

- Definition

Financing Receivable, Modifications, Number of Contracts3

+ References

No definition available.

+ Details

Name:	fbiz_FinancingReceivableModificationsNumberofContracts3
Namespace Prefix:	fbiz_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Financing Receivable, Modifications, Post-Modification Recorded Investment3

+ References

No definition available.

+ Details

Name:	fbiz_FinancingReceivableModificationsPostModificationRecordedInvestment3
Namespace Prefix:	fbiz_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Financing Receivable, Modifications, Pre-Modification Recorded Investment3

+ References

No definition available.

+ Details

Name:	fbiz_FinancingReceivableModificationsPreModificationRecordedInvestment3
Namespace Prefix:	fbiz_
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_FinancingReceivableModificationsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fbiz_CommercialRealEstateLoansReceivableOwnerOccupiedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fbiz_CommercialRealEstateLoansReceivableNonOwnerOccupiedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fbiz_CommercialRealEstateLoansReceivableLandDevelopmentMemberMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fbiz_CommercialRealEstateLoansReceivableConstructionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fbiz_CommercialRealEstateLoansReceivableMultiFamilyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fbiz_CommercialRealEstateLoansReceivable14FamilyMember
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:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fbiz_HomeEquityLoansAndSecondMortageLoansReceivableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fbiz_OtherLoansReceivableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: