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Regulatory Capital (Tables) | 3 Months Ended
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Mar. 31, 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 March 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 |  | $ | 331,220 |  |  | 11.04 | % |  | $ | 240,008 |  |  | 8.00 | % |  | $ | 315,011 |  |  | 10.50 | % |  | N/A |  | N/A
First Business Bank |  | 331,500 |  |  | 11.05 |  |  | 239,963 |  |  | 8.00 |  |  | 314,951 |  |  | 10.50 |  |  | $ | 299,954 |  |  | 10.00 | %
Tier 1 capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 270,197 |  |  | 9.01 | % |  | $ | 180,006 |  |  | 6.00 | % |  | $ | 255,009 |  |  | 8.50 | % |  | N/A |  | N/A
First Business Bank |  | 304,851 |  |  | 10.16 |  |  | 179,972 |  |  | 6.00 |  |  | 254,961 |  |  | 8.50 |  |  | $ | 239,963 |  |  | 8.00 | %
Common equity tier 1 capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 258,205 |  |  | 8.61 | % |  | $ | 135,005 |  |  | 4.50 | % |  | $ | 210,007 |  |  | 7.00 | % |  | N/A |  | N/A
First Business Bank |  | 304,851 |  |  | 10.16 |  |  | 134,979 |  |  | 4.50 |  |  | 209,968 |  |  | 7.00 |  |  | $ | 194,970 |  |  | 6.50 | %
Tier 1 leverage capital (to adjusted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 270,197 |  |  | 9.00 | % |  | $ | 120,047 |  |  | 4.00 | % |  | $ | 120,047 |  |  | 4.00 | % |  | N/A |  | N/A
First Business Bank |  | 304,851 |  |  | 10.16 |  |  | 120,026 |  |  | 4.00 |  |  | 120,026 |  |  | 4.00 |  |  | $ | 150,033 |  |  | 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 -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI https://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 https://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 + Details
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