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Regulatory Capital (Tables) | 3 Months Ended
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Mar. 31, 2014
Regulatory Capital Requirements [Abstract] |
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations | The following table summarizes the Corporation’s and Banks’ capital ratios and the ratios required by their federal regulators at March 31, 2014 and December 31, 2013, respectively:
|  | Actual |  | Minimum Required for Capital Adequacy Purposes |  | Minimum Required to Be Well Capitalized Under Prompt Corrective Action Requirements
|  | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio
|  | (Dollars in Thousands)
As of March 31, 2014 |  |  |  |  |  |  |  |  |  |  |  |
Total capital |  |  |  |  |  |  |  |  |  |  |  |
(to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 144,202 |  |  | 12.92 | % |  | $ | 89,289 |  |  | 8.00 | % |  | N/A |  |  | N/A |
First Business Bank |  | 125,025 |  |  | 12.61 |  |  | 79,293 |  |  | 8.00 |  |  | $ | 99,116 |  |  | 10.00 | %
First Business Bank — Milwaukee |  | 18,276 |  |  | 14.30 |  |  | 10,223 |  |  | 8.00 |  |  | 12,778 |  |  | 10.00 |
Tier 1 capital |  |  |  |  |  |  |  |  |  |  |  |
(to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 122,323 |  |  | 10.96 | % |  | $ | 44,644 |  |  | 4.00 | % |  | N/A |  |  | N/A |
First Business Bank |  | 112,634 |  |  | 11.36 |  |  | 39,647 |  |  | 4.00 |  |  | $ | 59,470 |  |  | 6.00 | %
First Business Bank — Milwaukee |  | 16,694 |  |  | 13.06 |  |  | 5,111 |  |  | 4.00 |  |  | 7,667 |  |  | 6.00 |
Tier 1 capital |  |  |  |  |  |  |  |  |  |  |  |
(to average assets) |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 122,323 |  |  | 9.67 | % |  | $ | 50,602 |  |  | 4.00 | % |  | N/A |  |  | N/A |
First Business Bank |  | 112,634 |  |  | 10.66 |  |  | 42,269 |  |  | 4.00 |  |  | $ | 52,836 |  |  | 5.00 | %
First Business Bank — Milwaukee |  | 16,694 |  |  | 7.65 |  |  | 8,725 |  |  | 4.00 |  |  | 10,907 |  |  | 5.00 |
|  | Actual |  | Minimum Required for Capital Adequacy Purposes |  | Minimum Required to Be Well Capitalized Under Prompt Corrective Action Requirements
|  | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio
|  | (Dollars in Thousands)
As of December 31, 2013 |  |  |  |  |  |  |  |  |  |  |  |
Total capital |  |  |  |  |  |  |  |  |  |  |  |
(to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 145,352 |  |  | 13.16 | % |  | $ | 88,373 |  |  | 8.00 | % |  | N/A |  |  | N/A |
First Business Bank |  | 123,331 |  |  | 12.57 |  |  | 78,516 |  |  | 8.00 |  |  | $ | 98,145 |  |  | 10.00 | %
First Business Bank — Milwaukee |  | 17,944 |  |  | 14.66 |  |  | 9,790 |  |  | 8.00 |  |  | 12,238 |  |  | 10.00 |
Tier 1 capital |  |  |  |  |  |  |  |  |  |  |  |
(to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 119,617 |  |  | 10.83 |  |  | $ | 44,186 |  |  | 4.00 | % |  | N/A |  |  | N/A |
First Business Bank |  | 111,062 |  |  | 11.32 |  |  | 39,258 |  |  | 4.00 |  |  | $ | 58,887 |  |  | 6.00 | %
First Business Bank — Milwaukee |  | 16,414 |  |  | 13.41 |  |  | 4,895 |  |  | 4.00 |  |  | 7,343 |  |  | 6.00 |
Tier 1 capital |  |  |  |  |  |  |  |  |  |  |  |
(to average assets) |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 119,617 |  |  | 9.35 |  |  | $ | 51,153 |  |  | 4.00 | % |  | N/A |  |  | N/A |
First Business Bank |  | 111,062 |  |  | 10.35 |  |  | 42,913 |  |  | 4.00 |  |  | $ | 53,641 |  |  | 5.00 | %
First Business Bank — Milwaukee |  | 16,414 |  |  | 7.64 |  |  | 8,595 |  |  | 4.00 |  |  | 10,744 |  |  | 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/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=7881181&loc=d3e65071-112826 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=7881181&loc=SL5958568-112826 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=7881181&loc=SL5958570-112826 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1G -URI http://asc.fasb.org/extlink&oid=7881181&loc=SL5958577-112826 + Details
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