XML 61 R55.htm IDEA: XBRL DOCUMENT v3.24.2

Loans, Lease Receivables, and Allowance for Credit Losses -Delinquency Aging of Loan and Lease Portfolio by Class of Receivable (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	$ 2,985,233	$ 2,850,018
Percent of portfolio	100.00%	100.00%
30-59 Days Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	$ 4,557	$ 3,430
Past due, percent of portfolio	0.15%	0.12%
60-89 Days Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	$ 1,163	$ 1,041
Past due, percent of portfolio	0.04%	0.04%
Greater Than 90 Days Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	$ 8,483	$ 18,347
Past due, percent of portfolio	0.28%	0.64%
Total Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	$ 14,203	$ 22,818
Past due, percent of portfolio	0.47%	0.80%
Not Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	$ 2,971,030	$ 2,827,200
Current, percent of portfolio	99.53%	99.20%
Commercial Real Estate
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	$ 1,775,377	$ 1,699,871
Commercial Real Estate | Owner Occupied
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	258,636	256,479
Commercial Real Estate | Owner Occupied | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	0	0
Commercial Real Estate | Owner Occupied | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	0	0
Commercial Real Estate | Owner Occupied | Greater Than 90 Days Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	0	0
Commercial Real Estate | Owner Occupied | Total Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	0	0
Commercial Real Estate | Owner Occupied | Not Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	258,636	256,479
Commercial Real Estate | Non-owner Occupied
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	777,704	773,494
Commercial Real Estate | Non-owner Occupied | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	0	0
Commercial Real Estate | Non-owner Occupied | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	0	0
Commercial Real Estate | Non-owner Occupied | Greater Than 90 Days Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	0	0
Commercial Real Estate | Non-owner Occupied | Total Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	0	0
Commercial Real Estate | Non-owner Occupied | Not Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	777,704	773,494
Commercial Real Estate | Construction
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	229,181	193,080
Commercial Real Estate | Construction | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	0	0
Commercial Real Estate | Construction | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	0	0
Commercial Real Estate | Construction | Greater Than 90 Days Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	0	0
Commercial Real Estate | Construction | Total Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	0	0
Commercial Real Estate | Construction | Not Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	229,181	193,080
Commercial Real Estate | Multi-family
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	470,176	450,529
Commercial Real Estate | Multi-family | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	0	0
Commercial Real Estate | Multi-family | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	0	0
Commercial Real Estate | Multi-family | Greater Than 90 Days Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	0	0
Commercial Real Estate | Multi-family | Total Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	0	0
Commercial Real Estate | Multi-family | Not Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	470,176	450,529
Commercial Real Estate | 1-4 Family
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	39,680	26,289
Commercial Real Estate | 1-4 Family | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	18	0
Commercial Real Estate | 1-4 Family | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	0	0
Commercial Real Estate | 1-4 Family | Greater Than 90 Days Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	0	0
Commercial Real Estate | 1-4 Family | Total Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	18	0
Commercial Real Estate | 1-4 Family | Not Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	39,662	26,289
Commercial and Industrial
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	1,161,711	1,105,835
Commercial and Industrial | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	4,539	3,430
Commercial and Industrial | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	1,163	1,041
Commercial and Industrial | Greater Than 90 Days Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	8,483	18,347
Commercial and Industrial | Total Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	14,185	22,818
Commercial and Industrial | Not Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	1,147,526	1,083,017
Consumer and Other
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	48,145	44,312
Consumer and Other | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	0	0
Consumer and Other | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	0	0
Consumer and Other | Greater Than 90 Days Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	0	0
Consumer and Other | Total Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	0	0
Consumer and Other | Not Past Due
Financing Receivable, Recorded Investment, Summary of Past Due and Current Loans Receivable
Total gross loans and leases receivable	$ 48,145	$ 44,312

X

- Definition

Financing Receivable, Recorded Investment, Current, Percent of Portfolio

+ References

No definition available.

+ Details

Name:	fbiz_FinancingReceivableRecordedInvestmentCurrentPercentOfPortfolio
Namespace Prefix:	fbiz_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Financing Receivable, Recorded Investment, Gross, Percent of Portfolio

+ References

No definition available.

+ Details

Name:	fbiz_FinancingReceivableRecordedInvestmentGrossPercentOfPortfolio
Namespace Prefix:	fbiz_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479344/326-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-3B

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-5

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Percentage of financing receivable balance that is past due.

+ References

No definition available.

+ Details

Name:	us-gaap_FinancingReceivablePercentPastDue1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 14
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-14

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 80
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479294/326-20-55-80

+ Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables30To59DaysPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables60To89DaysPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancialAssetPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancialAssetNotPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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: