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Regulatory Capital (Tables) | 3 Months Ended
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Mar. 31, 2022
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, 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 |  | $ | 309,524 |  |  | 11.87 | % |  | $ | 208,565 |  |  | 8.00 | % |  | $ | 273,742 |  |  | 10.50 | % |  | N/A |  | N/A
First Business Bank |  | 288,441 |  |  | 11.07 |  |  | 208,364 |  |  | 8.00 |  |  | 273,477 |  |  | 10.50 |  |  | $ | 260,455 |  |  | 10.00 | %
Tier 1 capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 241,782 |  |  | 9.27 | % |  | $ | 156,424 |  |  | 6.00 | % |  | $ | 221,600 |  |  | 8.50 | % |  | N/A |  | N/A
First Business Bank |  | 264,023 |  |  | 10.14 |  |  | 156,273 |  |  | 6.00 |  |  | 221,386 |  |  | 8.50 |  |  | $ | 208,364 |  |  | 8.00 | %
Common equity tier 1 capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 229,790 |  |  | 8.81 | % |  | $ | 117,318 |  |  | 4.50 | % |  | $ | 182,494 |  |  | 7.00 | % |  | N/A |  | N/A
First Business Bank |  | 264,023 |  |  | 10.14 |  |  | 117,205 |  |  | 4.50 |  |  | 182,318 |  |  | 7.00 |  |  | $ | 169,296 |  |  | 6.50 | %
Tier 1 leverage capital (to adjusted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 241,782 |  |  | 9.09 | % |  | $ | 106,443 |  |  | 4.00 | % |  | $ | 106,443 |  |  | 4.00 | % |  | N/A |  | N/A
First Business Bank |  | 264,023 |  |  | 9.95 |  |  | 106,151 |  |  | 4.00 |  |  | 106,151 |  |  | 4.00 |  |  | $ | 132,688 |  |  | 5.00 | %
|  | As of December 31, 2021
|  | 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 |  | $ | 281,745 |  |  | 10.82 | % |  | $ | 208,337 |  |  | 8.00 | % |  | $ | 273,443 |  |  | 10.50 | % |  | N/A |  | N/A
First Business Bank |  | 280,448 |  |  | 10.78 |  |  | 208,142 |  |  | 8.00 |  |  | 273,187 |  |  | 10.50 |  |  | $ | 260,178 |  |  | 10.00 | %
Tier 1 capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 232,795 |  |  | 8.94 | % |  | $ | 156,253 |  |  | 6.00 | % |  | $ | 221,358 |  |  | 8.50 | % |  | N/A |  | N/A
First Business Bank |  | 255,286 |  |  | 9.81 |  |  | 156,107 |  |  | 6.00 |  |  | 221,151 |  |  | 8.50 |  |  | $ | 208,142 |  |  | 8.00 | %
Common equity tier 1 capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 222,719 |  |  | 8.55 | % |  | $ | 117,190 |  |  | 4.50 | % |  | $ | 182,295 |  |  | 7.00 | % |  | N/A |  | N/A
First Business Bank |  | 255,286 |  |  | 9.81 |  |  | 117,080 |  |  | 4.50 |  |  | 182,124 |  |  | 7.00 |  |  | $ | 169,116 |  |  | 6.50 | %
Tier 1 leverage capital (to adjusted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 232,795 |  |  | 8.94 | % |  | $ | 104,145 |  |  | 4.00 | % |  | $ | 104,145 |  |  | 4.00 | % |  | N/A |  | N/A
First Business Bank |  | 255,286 |  |  | 9.81 |  |  | 104,045 |  |  | 4.00 |  |  | 104,045 |  |  | 4.00 |  |  | $ | 130,056 |  |  | 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 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
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