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Regulatory Capital (Tables) | 6 Months Ended
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Jun. 30, 2023
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 June 30, 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 |  | $ | 340,045 |  |  | 10.70 | % |  | $ | 254,308 |  |  | 8.00 | % |  | $ | 333,780 |  |  | 10.50 | % |  | N/A |  | N/A
First Business Bank |  | 341,140 |  |  | 10.73 |  |  | 254,316 |  |  | 8.00 |  |  | 333,790 |  |  | 10.50 |  |  | $ | 317,895 |  |  | 10.00 | %
Tier 1 capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 276,513 |  |  | 8.70 | % |  | $ | 190,731 |  |  | 6.00 | % |  | $ | 270,203 |  |  | 8.50 | % |  | N/A |  | N/A
First Business Bank |  | 312,016 |  |  | 9.82 |  |  | 190,737 |  |  | 6.00 |  |  | 270,211 |  |  | 8.50 |  |  | $ | 254,316 |  |  | 8.00 | %
Common equity tier 1 capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 264,521 |  |  | 8.32 | % |  | $ | 143,048 |  |  | 4.50 | % |  | $ | 222,520 |  |  | 7.00 | % |  | N/A |  | N/A
First Business Bank |  | 312,016 |  |  | 9.82 |  |  | 143,053 |  |  | 4.50 |  |  | 222,527 |  |  | 7.00 |  |  | $ | 206,632 |  |  | 6.50 | %
Tier 1 leverage capital (to adjusted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 276,513 |  |  | 8.80 | % |  | $ | 125,690 |  |  | 4.00 | % |  | $ | 125,690 |  |  | 4.00 | % |  | N/A |  | N/A
First Business Bank |  | 312,016 |  |  | 9.93 |  |  | 125,646 |  |  | 4.00 |  |  | 125,646 |  |  | 4.00 |  |  | $ | 157,058 |  |  | 5.00 | %
(1)2023 capital amounts include $1.0 million of additional stockholders’ equity as elected by the Corporation and permitted by federal banking regulatory agencies. Risk-weighted assets were also adjusted accordingly.
|  | As of December 31, 2022
|  | 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 |  | $ | 323,893 |  |  | 11.26 | % |  | $ | 230,180 |  |  | 8.00 | % |  | $ | 302,111 |  |  | 10.50 | % |  | N/A |  | N/A
First Business Bank |  | 323,021 |  |  | 11.22 |  |  | 230,367 |  |  | 8.00 |  |  | 302,357 |  |  | 10.50 |  |  | $ | 287,959 |  |  | 10.00 | %
Tier 1 capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 264,843 |  |  | 9.20 | % |  | $ | 172,635 |  |  | 6.00 | % |  | $ | 244,566 |  |  | 8.50 | % |  | N/A |  | N/A
First Business Bank |  | 298,312 |  |  | 10.36 |  |  | 172,775 |  |  | 6.00 |  |  | 244,765 |  |  | 8.50 |  |  | $ | 230,367 |  |  | 8.00 | %
Common equity tier 1 capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 252,851 |  |  | 8.79 | % |  | $ | 129,476 |  |  | 4.50 | % |  | $ | 201,407 |  |  | 7.00 | % |  | N/A |  | N/A
First Business Bank |  | 298,312 |  |  | 10.36 |  |  | 129,581 |  |  | 4.50 |  |  | 201,571 |  |  | 7.00 |  |  | $ | 187,173 |  |  | 6.50 | %
Tier 1 leverage capital (to adjusted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 264,843 |  |  | 9.17 | % |  | $ | 115,464 |  |  | 4.00 | % |  | $ | 115,464 |  |  | 4.00 | % |  | N/A |  | N/A
First Business Bank |  | 298,312 |  |  | 10.34 |  |  | 115,402 |  |  | 4.00 |  |  | 115,402 |  |  | 4.00 |  |  | $ | 144,252 |  |  | 5.00 | %

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- 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//1943274/2147480696/942-505-50-1 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//1943274/2147480696/942-505-50-1B + Details
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