XML 46 R40.htm IDEA: XBRL DOCUMENT
v3.24.3

Regulatory Capital (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2024
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 September 30, 2024 |
|  | Actual (1) |  |  | 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 |  | $ | 407,421 |  |  |  | 11.72 | % |  | $ | 278,219 |  |  |  | 8.00 | % |  | $ | 365,162 |  |  |  | 10.50 | % |  | N/A |  |  | N/A |
First Business Bank |  |  | 402,567 |  |  |  | 11.57 |  |  |  | 278,257 |  |  |  | 8.00 |  |  |  | 365,212 |  |  |  | 10.50 |  |  | $ | 347,821 |  |  |  | 10.00 | %
Tier 1 capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 316,792 |  |  |  | 9.11 | % |  | $ | 208,664 |  |  |  | 6.00 | % |  | $ | 295,607 |  |  |  | 8.50 | % |  | N/A |  |  | N/A |
First Business Bank |  |  | 366,597 |  |  |  | 10.54 |  |  |  | 208,692 |  |  |  | 6.00 |  |  |  | 295,648 |  |  |  | 8.50 |  |  | $ | 278,257 |  |  |  | 8.00 | %
Common equity tier 1 capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 304,800 |  |  |  | 8.76 | % |  | $ | 156,498 |  |  |  | 4.50 | % |  | $ | 243,441 |  |  |  | 7.00 | % |  | N/A |  |  | N/A |
First Business Bank |  |  | 366,597 |  |  |  | 10.54 |  |  |  | 156,519 |  |  |  | 4.50 |  |  |  | 243,474 |  |  |  | 7.00 |  |  | $ | 226,083 |  |  |  | 6.50 | %
Tier 1 leverage capital (to adjusted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 316,792 |  |  |  | 8.68 | % |  | $ | 145,944 |  |  |  | 4.00 | % |  | $ | 145,944 |  |  |  | 4.00 | % |  | N/A |  |  | N/A |
First Business Bank |  |  | 366,597 |  |  |  | 10.05 |  |  |  | 145,914 |  |  |  | 4.00 |  |  |  | 145,914 |  |  |  | 4.00 |  |  | $ | 182,393 |  |  |  | 5.00 | %
|  | As of December 31, 2023 |
|  | Actual (1) |  |  | 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 |  | $ | 375,440 |  |  |  | 11.19 | % |  | $ | 268,500 |  |  |  | 8.00 | % |  | $ | 352,406 |  |  |  | 10.50 | % |  | N/A |  |  | N/A |
First Business Bank |  |  | 376,310 |  |  |  | 11.21 |  |  |  | 268,595 |  |  |  | 8.00 |  |  |  | 352,531 |  |  |  | 10.50 |  |  | $ | 335,744 |  |  |  | 10.00 | %
Tier 1 capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 293,338 |  |  |  | 8.74 | % |  | $ | 201,375 |  |  |  | 6.00 | % |  | $ | 285,281 |  |  |  | 8.50 | % |  | N/A |  |  | N/A |
First Business Bank |  |  | 343,604 |  |  |  | 10.23 |  |  |  | 201,446 |  |  |  | 6.00 |  |  |  | 285,382 |  |  |  | 8.50 |  |  | $ | 268,595 |  |  |  | 8.00 | %
Common equity tier 1 capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 281,346 |  |  |  | 8.38 | % |  | $ | 151,031 |  |  |  | 4.50 | % |  | $ | 234,937 |  |  |  | 7.00 | % |  | N/A |  |  | N/A |
First Business Bank |  |  | 343,604 |  |  |  | 10.23 |  |  |  | 151,085 |  |  |  | 4.50 |  |  |  | 235,021 |  |  |  | 7.00 |  |  | $ | 218,233 |  |  |  | 6.50 | %
Tier 1 leverage capital (to adjusted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 293,338 |  |  |  | 8.43 | % |  | $ | 139,145 |  |  |  | 4.00 | % |  | $ | 139,145 |  |  |  | 4.00 | % |  | N/A |  |  | N/A |
First Business Bank |  |  | 343,604 |  |  |  | 9.87 |  |  |  | 139,262 |  |  |  | 4.00 |  |  |  | 139,262 |  |  |  | 4.00 |  |  | $ | 174,077 |  |  |  | 5.00 | %
(1) 2024 and 2023 capital amounts include $677,000 and $1.0 million, respectively, of additional stockholders’ equity as elected by the Corporation and permitted by federal banking regulatory agencies related to the adoption of ASC 326. Risk-weighted assets were also adjusted accordingly.

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 -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1B + Details
Name: | us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration