XML 46 R37.htm IDEA: XBRL DOCUMENT v3.23.3

Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2023

Commitments and Contingencies Disclosure [Abstract]

Summary of SBA Recourse Reserve

The summary of the activity in the SBA recourse reserve is as follows:

						As of and for the Three Months Ended September 30,												As of and for the Nine Months Ended September 30,
						2023						2022						2023						2022
						(In Thousands)
Balance at the beginning of the period						$	752					$	673					$	441					$	635
SBA recourse provision						242						96						565						134
Charge-offs, net						(11)						(6)						(23)						(6)
Balance at the end of the period						$	983					$	763					$	983					$	763

X

- Definition

Summary of SBA Recourse Reserve [Table Text Block]

+ References

No definition available.

+ Details

Name:	fbiz_SummaryofSBARecourseReserveTableTextBlock
Namespace Prefix:	fbiz_
Data Type:	dtr-types1:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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