XML 56 R42.htm IDEA: XBRL DOCUMENT
v3.20.4

Stockholders' Equity and Regulatory Capital (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Broker-Dealer, Net Capital Requirement, SEC Regulation [Abstract] |
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations | The following tables summarize both the Corporation’s and the Bank’s capital ratios and the ratios required by their federal regulators:
|  | As of December 31, 2020
|  | Actual |  | Minimum Required for Capital Adequacy Purposes |  | For Capital Adequacy Purposes Plus Capital Conservation Buffer |  | Minimum Required to Be Well Capitalized Under Prompt Corrective Action Requirements
|  | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio
|  | (Dollars in Thousands)
Total capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 258,607 |  |  | 11.25 | % |  | $ | 183,965 |  |  | 8.00 | % |  | $ | 241,454 |  |  | 10.50 | % |  | N/A |  | N/A
First Business Bank |  | $ | 251,116 |  |  | 10.97 | % |  | $ | 183,053 |  |  | 8.00 | % |  | $ | 240,257 |  |  | 10.50 | % |  | $ | 228,816 |  |  | 10.00 | %
Tier 1 capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 206,104 |  |  | 8.96 | % |  | $ | 137,974 |  |  | 6.00 | % |  | $ | 195,463 |  |  | 8.50 | % |  | N/A |  | N/A
First Business Bank |  | 222,500 |  |  | 9.72 |  |  | 137,290 |  |  | 6.00 |  |  | 194,494 |  |  | 8.50 |  |  | 183,053 |  |  | 8.00 |
Common equity tier 1 capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 196,042 |  |  | 8.53 | % |  | $ | 103,480 |  |  | 4.50 | % |  | $ | 160,970 |  |  | 7.00 | % |  | N/A |  | N/A
First Business Bank |  | 222,500 |  |  | 9.72 |  |  | 102,967 |  |  | 4.50 |  |  | 160,171 |  |  | 7.00 |  |  | 148,731 |  |  | 6.50 |
Tier 1 leverage capital (to adjusted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 206,104 |  |  | 7.99 | % |  | $ | 103,228 |  |  | 4.00 | % |  | $ | 103,228 |  |  | 4.00 | % |  | N/A |  | N/A
First Business Bank |  | 222,500 |  |  | 8.67 |  |  | 102,635 |  |  | 4.00 |  |  | 102,635 |  |  | 4.00 |  |  | 128,294 |  |  | 5.00 |
|  | As of December 31, 2019
|  | Actual |  | Minimum Required for Capital Adequacy Purposes |  | For Capital Adequacy Purposes Plus Capital Conservation Buffer |  | Minimum Required to Be Well Capitalized Under Prompt Corrective Action Requirements
|  | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio
|  | (Dollars in Thousands)
Total capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 239,029 |  |  | 12.01 | % |  | $ | 159,185 |  |  | 8.00 | % |  | $ | 208,930 |  |  | 10.50 | % |  | N/A |  | N/A
First Business Bank |  | 233,181 |  |  | 11.79 |  |  | 158,177 |  |  | 8.00 |  |  | 207,607 |  |  | 10.50 | % |  | $ | 197,721 |  |  | 10.00 | %
Tier 1 capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 194,456 |  |  | 9.77 | % |  | $ | 119,388 |  |  | 6.00 | % |  | $ | 169,134 |  |  | 8.50 | % |  | N/A |  | N/A
First Business Bank |  | 212,315 |  |  | 10.74 |  |  | 118,633 |  |  | 6.00 |  |  | 168,063 |  |  | 8.50 | % |  | $ | 158,177 |  |  | 8.00 | %
Common equity tier 1 capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 184,409 |  |  | 9.27 | % |  | $ | 89,541 |  |  | 4.50 | % |  | $ | 139,286 |  |  | 7.00 | % |  | N/A |  | N/A
First Business Bank |  | 212,315 |  |  | 10.74 |  |  | 88,974 |  |  | 4.50 |  |  | 138,405 |  |  | 7.00 | % |  | $ | 128,519 |  |  | 6.50 | %
Tier 1 leverage capital (to adjusted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 194,456 |  |  | 9.27 | % |  | $ | 83,950 |  |  | 4.00 | % |  | $ | 83,950 |  |  | 4.00 | % |  | N/A |  | N/A
First Business Bank |  | 212,315 |  |  | 10.18 |  |  | 83,414 |  |  | 4.00 |  |  | 83,414 |  |  | 4.00 |  |  | $ | 104,268 |  |  | 5.00 | %
Reconciliation of stockholders' equity to federal regulatory capital | The following table reconciles stockholders’ equity to federal regulatory capital at December 31, 2020 and 2019, respectively:
|  | As of December 31,
|  | 2020 |  | 2019
|  | (In Thousands)
Stockholders’ equity of the Corporation |  | $ | 206,162 |  |  | $ | 194,156 |
Net unrealized and accumulated losses on specific items |  | 933 |  |  | 1,348 |
Disallowed servicing assets |  | (587) |  |  | (629) |
Disallowed goodwill and other intangibles |  | (10,466) |  |  | (10,466) |
Junior subordinated notes |  | 10,062 |  |  | 10,047 |
Tier 1 capital |  | 206,104 |  |  | 194,456 |
Allowable general valuation allowances and subordinated debt |  | 52,503 |  |  | 44,573 |
Total capital |  | $ | 258,607 |  |  | $ | 239,029 |

X
- Definition [Table Text Block] for Reconciliation of stockholders' equity to federal regulatory capital [Table] + References No definition available. + Details
Name: | fbiz_ReconciliationOfStockholdersEquityToFederalRegulatoryCapitalTableTextBlock
Namespace Prefix: | fbiz_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | srt_RegulatoryCapitalRequirementsAbstract
Namespace Prefix: | srt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958570-112826 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 + Details
Name: | us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration