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Stockholders' Equity and Regulatory Capital (Tables)

12 Months Ended

Dec. 31, 2021

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 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

						As of December 31, 2020
						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						$	258,607					11.25		%				$	183,965					8.00		%				$	241,454					10.50		%				N/A						N/A
First Business Bank						251,116						10.97						183,053						8.00						240,257						10.50		%				$	228,816					10.00		%
Tier 1 capital (to risk-weighted assets)
Consolidated						$	206,104					8.96		%				$	137,974					6.00		%				$	195,463					8.50		%				N/A						N/A
First Business Bank						222,500						9.72						137,290						6.00						194,494						8.50		%				$	183,053					8.00		%
Common equity tier 1 capital (to risk-weighted assets)
Consolidated						$	196,042					8.53		%				$	103,480					4.50		%				$	160,970					7.00		%				N/A						N/A
First Business Bank						222,500						9.72						102,967						4.50						160,171						7.00		%				$	148,731					6.50		%
Tier 1 leverage capital (to adjusted assets)
Consolidated						$	206,104					7.99		%				$	103,228					4.00		%				$	103,228					4.00		%				N/A						N/A
First Business Bank						222,500						8.67						102,635						4.00						102,635						4.00						$	128,294					5.00		%

Reconciliation of stockholders' equity to federal regulatory capital

The following table reconciles stockholders’ equity to federal regulatory capital at December 31, 2021 and 2020, respectively:

						As of December 31,
						2021						2020
						(In Thousands)
Stockholders’ equity of the Corporation						$	232,422					$	206,162
Net unrealized and accumulated losses on specific items						1,457						933
Disallowed servicing assets						(727)						(587)
Disallowed goodwill and other intangibles						(10,433)						(10,466)
Junior subordinated notes						10,076						10,062
Tier 1 capital						232,795						206,104
Allowable general valuation allowances and subordinated debt						48,950						52,503
Total capital						$	281,745					$	258,607

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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

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