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Regulatory Capital (Tables)

9 Months Ended

Sep. 30, 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 September 30, 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						$	274,977					11.14		%				$	197,512					8.00		%				$	259,234					10.50		%				N/A						N/A
First Business Bank						271,812						11.02						197,323						8.00						258,986						10.50						246,654						10.00		%
Tier 1 capital (to risk-weighted assets)
Consolidated						$	225,667					9.14		%				$	148,134					6.00		%				$	209,856					8.50		%				N/A						N/A
First Business Bank						246,290						9.99						147,992						6.00						209,656						8.50						197,323						8.00
Common equity tier 1 capital (to risk-weighted assets)
Consolidated						$	215,605					8.73		%				$	111,100					4.50		%				$	172,823					7.00		%				N/A						N/A
First Business Bank						246,290						9.99						110,994						4.50						172,658						7.00						160,325						6.50
Tier 1 leverage capital (to adjusted assets)
Consolidated						$	225,677					8.69		%				$	103,879					4.00		%				$	103,879					4.00		%				N/A						N/A
First Business Bank						246,290						9.50						103,701						4.00						103,701						4.00						129,626						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