XML 66 R56.htm IDEA: XBRL DOCUMENT v3.21.1

Loan and Lease Receivables, Impaired Loans and Leases and Allowance for Loan and Lease Losses (Loans by Credit Quality Indicator) (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	$ 2,241,400	$ 2,150,515
Category as a % of total portfolio	100.00%	100.00%
Category I
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	$ 1,883,252	$ 1,757,904
Category as a % of total portfolio	84.02%	81.75%
Category II
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	$ 172,787	$ 205,898
Category as a % of total portfolio	7.71%	9.57%
Category III
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	$ 166,310	$ 160,050
Category as a % of total portfolio	7.42%	7.44%
Category IV
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	$ 19,051	$ 26,663
Category as a % of total portfolio	0.85%	1.24%
Commercial real estate — owner occupied
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	$ 256,812	$ 253,882
Commercial real estate — owner occupied | Category I
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	204,135	185,943
Commercial real estate — owner occupied | Category II
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	26,314	34,917
Commercial real estate — owner occupied | Category III
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	24,194	27,593
Commercial real estate — owner occupied | Category IV
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	2,169	5,429
Commercial real estate — non-owner occupied
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	592,090	564,532
Commercial real estate — non-owner occupied | Category I
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	467,823	432,053
Commercial real estate — non-owner occupied | Category II
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	75,026	90,942
Commercial real estate — non-owner occupied | Category III
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	46,225	37,754
Commercial real estate — non-owner occupied | Category IV
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	3,016	3,783
Land development
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	46,544	49,839
Land development | Category I
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	45,022	47,777
Land development | Category II
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	1,340	987
Land development | Category III
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	182	185
Land development | Category IV
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	0	890
Construction
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	151,345	141,043
Construction | Category I
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	111,372	104,083
Construction | Category II
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	11,988	26,444
Construction | Category III
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	27,985	10,516
Construction | Category IV
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	0	0
Multi-family
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	322,384	311,556
Multi-family | Category I
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	280,736	278,145
Multi-family | Category II
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	31,623	23,386
Multi-family | Category III
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	10,025	10,025
Multi-family | Category IV
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	0	0
1-4 family
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	23,319	38,284
1-4 family | Category I
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	20,113	35,053
1-4 family | Category II
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	415	620
1-4 family | Category III
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	2,298	2,315
1-4 family | Category IV
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	493	296
Total commercial real estate
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	1,392,494	1,359,136
Total commercial real estate | Category I
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	1,129,201	1,083,054
Total commercial real estate | Category II
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	146,706	177,296
Total commercial real estate | Category III
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	110,909	88,388
Total commercial real estate | Category IV
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	5,678	10,398
Commercial and industrial
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	784,305	732,318
Commercial and industrial | Category I
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	696,621	623,346
Commercial and industrial | Category II
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	25,239	27,201
Commercial and industrial | Category III
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	49,670	65,616
Commercial and industrial | Category IV
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	12,775	16,155
Direct financing leases, net
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	19,616	22,331
Direct financing leases, net | Category I
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	13,239	15,597
Direct financing leases, net | Category II
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	678	730
Direct financing leases, net | Category III
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	5,650	5,955
Direct financing leases, net | Category IV
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	49	49
Home equity and second mortgages
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	6,719	7,833
Home equity and second mortgages | Category I
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	6,104	7,206
Home equity and second mortgages | Category II
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	0	496
Home equity and second mortgages | Category III
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	81	91
Home equity and second mortgages | Category IV
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	534	40
Other
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	38,266	28,897
Other | Category I
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	38,087	28,701
Other | Category II
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	164	175
Other | Category III
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	0	0
Other | Category IV
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	15	21
Total consumer and other
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	44,985	36,730
Total consumer and other | Category I
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	44,191	35,907
Total consumer and other | Category II
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	164	671
Total consumer and other | Category III
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	81	91
Total consumer and other | Category IV
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	$ 549	$ 61

X

- Definition

Category Rating as a Percentage of Total Loans and Leases

+ References

No definition available.

+ Details

Name:	fbiz_CategoryRatingAsPercentageOfTotalLoansAndLeases
Namespace Prefix:	fbiz_
Data Type:	num: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

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 and fees, of loans and leases receivable. 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=121593590&loc=d3e4428-111522

+ Details

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

X

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=fbiz_CategoryIMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=fbiz_CategoryIiMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=fbiz_CategoryIiiMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=fbiz_CategoryIvMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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_CommercialRealEstateLoansReceivableLandDevelopmentMember
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=us-gaap_CommercialRealEstatePortfolioSegmentMember
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=us-gaap_FinanceLeasesPortfolioSegmentMember
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:

X

- Details

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